Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 Cisco and/or its affiliates. |
| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
| 15 | #include <unistd.h> |
| 16 | #include <stdio.h> |
| 17 | #include <signal.h> |
| 18 | #include <dlfcn.h> |
| 19 | #include <pthread.h> |
| 20 | #include <time.h> |
| 21 | #include <stdarg.h> |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 22 | #include <sys/resource.h> |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 23 | #include <netinet/tcp.h> |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 24 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 25 | #include <vcl/ldp_socket_wrapper.h> |
| 26 | #include <vcl/ldp.h> |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 27 | #include <sys/time.h> |
| 28 | |
Dave Wallace | 5c7cf1c | 2017-10-24 04:12:18 -0400 | [diff] [blame] | 29 | #include <vcl/vppcom.h> |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 30 | #include <vppinfra/time.h> |
| 31 | #include <vppinfra/bitmap.h> |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 32 | |
| 33 | #define HAVE_CONSTRUCTOR_ATTRIBUTE |
| 34 | #ifdef HAVE_CONSTRUCTOR_ATTRIBUTE |
| 35 | #define CONSTRUCTOR_ATTRIBUTE \ |
| 36 | __attribute__ ((constructor)) |
| 37 | #else |
| 38 | #define CONSTRUCTOR_ATTRIBUTE |
| 39 | #endif /* HAVE_CONSTRUCTOR_ATTRIBUTE */ |
| 40 | |
| 41 | #define HAVE_DESTRUCTOR_ATTRIBUTE |
| 42 | #ifdef HAVE_DESTRUCTOR_ATTRIBUTE |
| 43 | #define DESTRUCTOR_ATTRIBUTE \ |
| 44 | __attribute__ ((destructor)) |
| 45 | #else |
| 46 | #define DESTRUCTOR_ATTRIBUTE |
| 47 | #endif |
| 48 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 49 | typedef struct |
| 50 | { |
| 51 | int init; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 52 | char app_name[LDP_APP_NAME_MAX]; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 53 | u32 sid_bit_val; |
| 54 | u32 sid_bit_mask; |
| 55 | u32 debug; |
| 56 | u8 *io_buffer; |
| 57 | clib_time_t clib_time; |
| 58 | clib_bitmap_t *rd_bitmap; |
| 59 | clib_bitmap_t *wr_bitmap; |
| 60 | clib_bitmap_t *ex_bitmap; |
| 61 | clib_bitmap_t *sid_rd_bitmap; |
| 62 | clib_bitmap_t *sid_wr_bitmap; |
| 63 | clib_bitmap_t *sid_ex_bitmap; |
| 64 | clib_bitmap_t *libc_rd_bitmap; |
| 65 | clib_bitmap_t *libc_wr_bitmap; |
| 66 | clib_bitmap_t *libc_ex_bitmap; |
| 67 | vcl_poll_t *vcl_poll; |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 68 | struct pollfd *libc_poll; |
| 69 | u16 *libc_poll_idxs; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 70 | u8 select_vcl; |
| 71 | u8 epoll_wait_vcl; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 72 | u8 vcl_needs_real_epoll; /*< vcl needs next epoll_create to |
| 73 | go to libc_epoll */ |
| 74 | int vcl_mq_epfd; |
| 75 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 76 | } ldp_main_t; |
| 77 | #define LDP_DEBUG ldp->debug |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 78 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 79 | #define LDBG(_lvl, _fmt, _args...) \ |
| 80 | if (ldp->debug > _lvl) \ |
| 81 | clib_warning (_fmt, ##_args) |
| 82 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 83 | static ldp_main_t ldp_main = { |
| 84 | .sid_bit_val = (1 << LDP_SID_BIT_MIN), |
| 85 | .sid_bit_mask = (1 << LDP_SID_BIT_MIN) - 1, |
| 86 | .debug = LDP_DEBUG_INIT, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 87 | }; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 88 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 89 | static ldp_main_t *ldp = &ldp_main; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 90 | |
| 91 | /* |
| 92 | * RETURN: 0 on success or -1 on error. |
| 93 | * */ |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 94 | static inline void |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 95 | ldp_set_app_name (char *app_name) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 96 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 97 | int rv = snprintf (ldp->app_name, LDP_APP_NAME_MAX, |
| 98 | "ldp-%d-%s", getpid (), app_name); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 99 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 100 | if (rv >= LDP_APP_NAME_MAX) |
| 101 | app_name[LDP_APP_NAME_MAX - 1] = 0; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 102 | } |
| 103 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 104 | static inline char * |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 105 | ldp_get_app_name () |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 106 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 107 | if (ldp->app_name[0] == '\0') |
| 108 | ldp_set_app_name ("app"); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 109 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 110 | return ldp->app_name; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 111 | } |
| 112 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 113 | static inline int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 114 | ldp_fd_from_sid (u32 sid) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 115 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 116 | if (PREDICT_FALSE (sid >= ldp->sid_bit_val)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 117 | return -EMFILE; |
| 118 | else |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 119 | return (sid | ldp->sid_bit_val); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 120 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 121 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 122 | static inline int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 123 | ldp_fd_is_sid (int fd) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 124 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 125 | return ((u32) fd & ldp->sid_bit_val) ? 1 : 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 126 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 127 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 128 | static inline u32 |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 129 | ldp_sid_from_fd (int fd) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 130 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 131 | return (ldp_fd_is_sid (fd) ? ((u32) fd & ldp->sid_bit_mask) : |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 132 | INVALID_SESSION_ID); |
| 133 | } |
| 134 | |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 135 | static inline int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 136 | ldp_init (void) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 137 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 138 | int rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 139 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 140 | if (PREDICT_TRUE (ldp->init)) |
| 141 | return 0; |
| 142 | |
| 143 | ldp->init = 1; |
| 144 | ldp->vcl_needs_real_epoll = 1; |
| 145 | rv = vppcom_app_create (ldp_get_app_name ()); |
| 146 | if (rv != VPPCOM_OK) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 147 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 148 | fprintf (stderr, "\nLDP<%d>: ERROR: ldp_init: vppcom_app_create()" |
| 149 | " failed! rv = %d (%s)\n", |
| 150 | getpid (), rv, vppcom_retval_str (rv)); |
| 151 | ldp->init = 0; |
| 152 | return rv; |
| 153 | } |
| 154 | ldp->vcl_needs_real_epoll = 0; |
| 155 | |
| 156 | char *env_var_str = getenv (LDP_ENV_DEBUG); |
| 157 | if (env_var_str) |
| 158 | { |
| 159 | u32 tmp; |
| 160 | if (sscanf (env_var_str, "%u", &tmp) != 1) |
| 161 | clib_warning ("LDP<%d>: WARNING: Invalid LDP debug level specified in" |
| 162 | " the env var " LDP_ENV_DEBUG " (%s)!", getpid (), |
| 163 | env_var_str); |
| 164 | else |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 165 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 166 | ldp->debug = tmp; |
| 167 | LDBG (0, "LDP<%d>: configured LDP debug level (%u) from env var " |
| 168 | LDP_ENV_DEBUG "!", getpid (), ldp->debug); |
| 169 | } |
| 170 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 171 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 172 | env_var_str = getenv (LDP_ENV_APP_NAME); |
| 173 | if (env_var_str) |
| 174 | { |
| 175 | ldp_set_app_name (env_var_str); |
| 176 | LDBG (0, "LDP<%d>: configured LDP app name (%s) from the env var " |
| 177 | LDP_ENV_APP_NAME "!", getpid (), ldp->app_name); |
| 178 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 179 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 180 | env_var_str = getenv (LDP_ENV_SID_BIT); |
| 181 | if (env_var_str) |
| 182 | { |
| 183 | u32 sb; |
| 184 | if (sscanf (env_var_str, "%u", &sb) != 1) |
| 185 | { |
| 186 | clib_warning ("LDP<%d>: WARNING: Invalid LDP sid bit specified in" |
| 187 | " the env var " LDP_ENV_SID_BIT " (%s)! sid bit " |
| 188 | "value %d (0x%x)", getpid (), env_var_str, |
| 189 | ldp->sid_bit_val, ldp->sid_bit_val); |
| 190 | } |
| 191 | else if (sb < LDP_SID_BIT_MIN) |
| 192 | { |
| 193 | ldp->sid_bit_val = (1 << LDP_SID_BIT_MIN); |
| 194 | ldp->sid_bit_mask = ldp->sid_bit_val - 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 195 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 196 | clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) specified in the" |
| 197 | " env var " LDP_ENV_SID_BIT " (%s) is too small. " |
| 198 | "Using LDP_SID_BIT_MIN (%d)! sid bit value %d (0x%x)", |
| 199 | getpid (), sb, env_var_str, LDP_SID_BIT_MIN, |
| 200 | ldp->sid_bit_val, ldp->sid_bit_val); |
| 201 | } |
| 202 | else if (sb > LDP_SID_BIT_MAX) |
| 203 | { |
| 204 | ldp->sid_bit_val = (1 << LDP_SID_BIT_MAX); |
| 205 | ldp->sid_bit_mask = ldp->sid_bit_val - 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 206 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 207 | clib_warning ("LDP<%d>: WARNING: LDP sid bit (%u) specified in the" |
| 208 | " env var " LDP_ENV_SID_BIT " (%s) is too big. Using" |
| 209 | " LDP_SID_BIT_MAX (%d)! sid bit value %d (0x%x)", |
| 210 | getpid (), sb, env_var_str, LDP_SID_BIT_MAX, |
| 211 | ldp->sid_bit_val, ldp->sid_bit_val); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 212 | } |
| 213 | else |
| 214 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 215 | ldp->sid_bit_val = (1 << sb); |
| 216 | ldp->sid_bit_mask = ldp->sid_bit_val - 1; |
| 217 | |
| 218 | LDBG (0, "LDP<%d>: configured LDP sid bit (%u) from " |
| 219 | LDP_ENV_SID_BIT "! sid bit value %d (0x%x)", getpid (), sb, |
| 220 | ldp->sid_bit_val, ldp->sid_bit_val); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 221 | } |
| 222 | } |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 223 | |
| 224 | clib_time_init (&ldp->clib_time); |
| 225 | LDBG (0, "LDP<%d>: LDP initialization: done!", getpid ()); |
| 226 | |
| 227 | return 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | int |
| 231 | close (int fd) |
| 232 | { |
| 233 | int rv; |
| 234 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 235 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 236 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 237 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 238 | return -1; |
| 239 | |
| 240 | if (sid != INVALID_SESSION_ID) |
| 241 | { |
| 242 | int epfd; |
| 243 | |
| 244 | func_str = "vppcom_session_attr[GET_LIBC_EPFD]"; |
| 245 | epfd = vppcom_session_attr (sid, VPPCOM_ATTR_GET_LIBC_EPFD, 0, 0); |
| 246 | if (epfd > 0) |
| 247 | { |
| 248 | func_str = "libc_close"; |
| 249 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 250 | LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): epfd %u (0x%x)", |
| 251 | getpid (), fd, fd, func_str, epfd, epfd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 252 | |
| 253 | rv = libc_close (epfd); |
| 254 | if (rv < 0) |
| 255 | { |
| 256 | u32 size = sizeof (epfd); |
| 257 | epfd = 0; |
| 258 | |
| 259 | (void) vppcom_session_attr (sid, VPPCOM_ATTR_SET_LIBC_EPFD, |
| 260 | &epfd, &size); |
| 261 | } |
| 262 | } |
| 263 | else if (PREDICT_FALSE (epfd < 0)) |
| 264 | { |
| 265 | errno = -epfd; |
| 266 | rv = -1; |
| 267 | goto done; |
| 268 | } |
| 269 | |
| 270 | func_str = "vppcom_session_close"; |
| 271 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 272 | LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)", |
| 273 | getpid (), fd, fd, func_str, sid, sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 274 | |
| 275 | rv = vppcom_session_close (sid); |
| 276 | if (rv != VPPCOM_OK) |
| 277 | { |
| 278 | errno = -rv; |
| 279 | rv = -1; |
| 280 | } |
| 281 | } |
| 282 | else |
| 283 | { |
| 284 | func_str = "libc_close"; |
| 285 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 286 | LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s()", getpid (), fd, fd, |
| 287 | func_str); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 288 | |
| 289 | rv = libc_close (fd); |
| 290 | } |
| 291 | |
| 292 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 293 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 294 | { |
| 295 | if (rv < 0) |
| 296 | { |
| 297 | int errno_val = errno; |
| 298 | perror (func_str); |
| 299 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 300 | "rv %d, errno = %d", getpid (), fd, fd, |
| 301 | func_str, rv, errno_val); |
| 302 | errno = errno_val; |
| 303 | } |
| 304 | else |
| 305 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 306 | getpid (), fd, fd, rv, rv); |
| 307 | } |
| 308 | return rv; |
| 309 | } |
| 310 | |
| 311 | ssize_t |
| 312 | read (int fd, void *buf, size_t nbytes) |
| 313 | { |
| 314 | ssize_t size; |
| 315 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 316 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 317 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 318 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 319 | return -1; |
| 320 | |
| 321 | if (sid != INVALID_SESSION_ID) |
| 322 | { |
| 323 | func_str = "vppcom_session_read"; |
| 324 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 325 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 326 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 327 | "sid %u (0x%x), buf %p, nbytes %u", getpid (), |
| 328 | fd, fd, func_str, sid, sid, buf, nbytes); |
| 329 | |
| 330 | size = vppcom_session_read (sid, buf, nbytes); |
| 331 | if (size < 0) |
| 332 | { |
| 333 | errno = -size; |
| 334 | size = -1; |
| 335 | } |
| 336 | } |
| 337 | else |
| 338 | { |
| 339 | func_str = "libc_read"; |
| 340 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 341 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 342 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 343 | "buf %p, nbytes %u", getpid (), |
| 344 | fd, fd, func_str, buf, nbytes); |
| 345 | |
| 346 | size = libc_read (fd, buf, nbytes); |
| 347 | } |
| 348 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 349 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 350 | { |
| 351 | if (size < 0) |
| 352 | { |
| 353 | int errno_val = errno; |
| 354 | perror (func_str); |
| 355 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 356 | "rv %d, errno = %d", getpid (), fd, fd, |
| 357 | func_str, size, errno_val); |
| 358 | errno = errno_val; |
| 359 | } |
| 360 | else |
| 361 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 362 | getpid (), fd, fd, size, size); |
| 363 | } |
| 364 | return size; |
| 365 | } |
| 366 | |
| 367 | ssize_t |
| 368 | readv (int fd, const struct iovec * iov, int iovcnt) |
| 369 | { |
| 370 | const char *func_str; |
| 371 | ssize_t size = 0; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 372 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 373 | int rv = 0, i, total = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 374 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 375 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 376 | return -1; |
| 377 | |
| 378 | if (sid != INVALID_SESSION_ID) |
| 379 | { |
| 380 | func_str = "vppcom_session_read"; |
| 381 | do |
| 382 | { |
| 383 | for (i = 0; i < iovcnt; ++i) |
| 384 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 385 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 386 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s() [%d]: " |
| 387 | "sid %u (0x%x), iov %p, iovcnt %d, total %d", |
| 388 | getpid (), fd, fd, func_str, i, sid, sid, |
| 389 | iov, iovcnt, total); |
| 390 | |
| 391 | rv = vppcom_session_read (sid, iov[i].iov_base, iov[i].iov_len); |
| 392 | if (rv < 0) |
| 393 | break; |
| 394 | else |
| 395 | { |
| 396 | total += rv; |
| 397 | if (rv < iov[i].iov_len) |
| 398 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 399 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 400 | clib_warning ("LDP<%d>: fd %d (0x%x): " |
| 401 | "rv (%d) < iov[%d].iov_len (%d)", |
| 402 | getpid (), fd, fd, rv, i, |
| 403 | iov[i].iov_len); |
| 404 | break; |
| 405 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 406 | } |
| 407 | } |
| 408 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 409 | while ((rv >= 0) && (total == 0)); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 410 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 411 | if (rv < 0) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 412 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 413 | errno = -rv; |
| 414 | size = -1; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 415 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 416 | else |
| 417 | size = total; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 418 | } |
| 419 | else |
| 420 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 421 | func_str = "libc_readv"; |
| 422 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 423 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 424 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 425 | "iov %p, iovcnt %d", getpid (), fd, fd, iov, iovcnt); |
| 426 | |
| 427 | size = libc_readv (fd, iov, iovcnt); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 428 | } |
| 429 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 430 | if (LDP_DEBUG > 2) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 431 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 432 | if (size < 0) |
| 433 | { |
| 434 | int errno_val = errno; |
| 435 | perror (func_str); |
| 436 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 437 | "rv %d, errno = %d", getpid (), fd, fd, |
| 438 | func_str, size, errno_val); |
| 439 | errno = errno_val; |
| 440 | } |
| 441 | else |
| 442 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 443 | getpid (), fd, fd, size, size); |
| 444 | } |
| 445 | return size; |
| 446 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 447 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 448 | ssize_t |
| 449 | write (int fd, const void *buf, size_t nbytes) |
| 450 | { |
| 451 | const char *func_str; |
| 452 | ssize_t size = 0; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 453 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 454 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 455 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 456 | return -1; |
| 457 | |
| 458 | if (sid != INVALID_SESSION_ID) |
| 459 | { |
| 460 | func_str = "vppcom_session_write"; |
| 461 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 462 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 463 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 464 | "sid %u (0x%x), buf %p, nbytes %u", getpid (), |
| 465 | fd, fd, func_str, sid, sid, buf, nbytes); |
| 466 | |
| 467 | size = vppcom_session_write (sid, (void *) buf, nbytes); |
| 468 | if (size < 0) |
| 469 | { |
| 470 | errno = -size; |
| 471 | size = -1; |
| 472 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 473 | } |
| 474 | else |
| 475 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 476 | func_str = "libc_write"; |
| 477 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 478 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 479 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 480 | "buf %p, nbytes %u", getpid (), |
| 481 | fd, fd, func_str, buf, nbytes); |
| 482 | |
| 483 | size = libc_write (fd, buf, nbytes); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 484 | } |
| 485 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 486 | if (LDP_DEBUG > 2) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 487 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 488 | if (size < 0) |
| 489 | { |
| 490 | int errno_val = errno; |
| 491 | perror (func_str); |
| 492 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 493 | "rv %d, errno = %d", getpid (), fd, fd, |
| 494 | func_str, size, errno_val); |
| 495 | errno = errno_val; |
| 496 | } |
| 497 | else |
| 498 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 499 | getpid (), fd, fd, size, size); |
| 500 | } |
| 501 | return size; |
| 502 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 503 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 504 | ssize_t |
| 505 | writev (int fd, const struct iovec * iov, int iovcnt) |
| 506 | { |
| 507 | const char *func_str; |
| 508 | ssize_t size = 0, total = 0; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 509 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 510 | int i, rv = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 511 | |
| 512 | /* |
| 513 | * Use [f]printf() instead of clib_warning() to prevent recursion SIGSEGV. |
| 514 | */ |
| 515 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 516 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 517 | return -1; |
| 518 | |
| 519 | if (sid != INVALID_SESSION_ID) |
| 520 | { |
| 521 | func_str = "vppcom_session_write"; |
| 522 | do |
| 523 | { |
| 524 | for (i = 0; i < iovcnt; ++i) |
| 525 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 526 | if (LDP_DEBUG > 4) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 527 | printf ("%s:%d: LDP<%d>: fd %d (0x%x): calling %s() [%d]: " |
| 528 | "sid %u (0x%x), buf %p, nbytes %ld, total %ld", |
| 529 | __func__, __LINE__, getpid (), fd, fd, func_str, |
| 530 | i, sid, sid, iov[i].iov_base, iov[i].iov_len, total); |
| 531 | |
| 532 | rv = vppcom_session_write (sid, iov[i].iov_base, |
| 533 | iov[i].iov_len); |
| 534 | if (rv < 0) |
| 535 | break; |
| 536 | else |
| 537 | { |
| 538 | total += rv; |
| 539 | if (rv < iov[i].iov_len) |
| 540 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 541 | if (LDP_DEBUG > 4) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 542 | printf ("%s:%d: LDP<%d>: fd %d (0x%x): " |
| 543 | "rv (%d) < iov[%d].iov_len (%ld)", |
| 544 | __func__, __LINE__, getpid (), fd, fd, |
| 545 | rv, i, iov[i].iov_len); |
| 546 | break; |
| 547 | } |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | while ((rv >= 0) && (total == 0)); |
| 552 | |
| 553 | if (rv < 0) |
| 554 | { |
| 555 | errno = -rv; |
| 556 | size = -1; |
| 557 | } |
| 558 | else |
| 559 | size = total; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 560 | } |
| 561 | else |
| 562 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 563 | func_str = "libc_writev"; |
| 564 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 565 | if (LDP_DEBUG > 4) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 566 | printf ("%s:%d: LDP<%d>: fd %d (0x%x): calling %s(): " |
| 567 | "iov %p, iovcnt %d\n", __func__, __LINE__, getpid (), |
| 568 | fd, fd, func_str, iov, iovcnt); |
| 569 | |
| 570 | size = libc_writev (fd, iov, iovcnt); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 571 | } |
| 572 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 573 | if (LDP_DEBUG > 4) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 574 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 575 | if (size < 0) |
| 576 | { |
| 577 | int errno_val = errno; |
| 578 | perror (func_str); |
| 579 | fprintf (stderr, |
| 580 | "%s:%d: LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 581 | "rv %ld, errno = %d\n", __func__, __LINE__, getpid (), fd, |
| 582 | fd, func_str, size, errno_val); |
| 583 | errno = errno_val; |
| 584 | } |
| 585 | else |
| 586 | printf ("%s:%d: LDP<%d>: fd %d (0x%x): returning %ld\n", |
| 587 | __func__, __LINE__, getpid (), fd, fd, size); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 588 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 589 | return size; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 593 | fcntl (int fd, int cmd, ...) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 594 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 595 | const char *func_str = __func__; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 596 | int rv = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 597 | va_list ap; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 598 | u32 sid = ldp_sid_from_fd (fd); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 599 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 600 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 601 | return -1; |
| 602 | |
| 603 | va_start (ap, cmd); |
| 604 | if (sid != INVALID_SESSION_ID) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 605 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 606 | int flags = va_arg (ap, int); |
| 607 | u32 size; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 608 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 609 | size = sizeof (flags); |
| 610 | rv = -EOPNOTSUPP; |
| 611 | switch (cmd) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 612 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 613 | case F_SETFL: |
| 614 | func_str = "vppcom_session_attr[SET_FLAGS]"; |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 615 | LDBG (2, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x) " |
| 616 | "flags %d (0x%x), size %d", getpid (), fd, fd, func_str, sid, |
| 617 | sid, flags, flags, size); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 618 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 619 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_FLAGS, &flags, |
| 620 | &size); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 621 | break; |
| 622 | |
| 623 | case F_GETFL: |
| 624 | func_str = "vppcom_session_attr[GET_FLAGS]"; |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 625 | LDBG (2, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 626 | "flags %d (0x%x), size %d", getpid (), fd, fd, func_str, sid, |
| 627 | sid, flags, flags, size); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 628 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 629 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_FLAGS, &flags, |
| 630 | &size); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 631 | if (rv == VPPCOM_OK) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 632 | { |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 633 | LDBG (2, "LDP<%d>: fd %d (0x%x), cmd %d (F_GETFL): %s() " |
| 634 | "returned flags %d (0x%x)", getpid (), fd, fd, cmd, |
| 635 | func_str, flags, flags); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 636 | rv = flags; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 637 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 638 | break; |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 639 | case F_SETFD: |
| 640 | /* TODO handle this */ |
| 641 | LDBG (0, "F_SETFD ignored flags %u", flags); |
| 642 | rv = 0; |
| 643 | break; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 644 | default: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 645 | rv = -EOPNOTSUPP; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 646 | break; |
| 647 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 648 | if (rv < 0) |
| 649 | { |
| 650 | errno = -rv; |
| 651 | rv = -1; |
| 652 | } |
| 653 | } |
| 654 | else |
| 655 | { |
| 656 | func_str = "libc_vfcntl"; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 657 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 658 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 659 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): cmd %d", |
| 660 | getpid (), fd, fd, func_str, cmd); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 661 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 662 | rv = libc_vfcntl (fd, cmd, ap); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 663 | } |
| 664 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 665 | va_end (ap); |
| 666 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 667 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 668 | { |
| 669 | if (rv < 0) |
| 670 | { |
| 671 | int errno_val = errno; |
| 672 | perror (func_str); |
| 673 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 674 | "rv %d, errno = %d", getpid (), fd, fd, |
| 675 | func_str, rv, errno_val); |
| 676 | errno = errno_val; |
| 677 | } |
| 678 | else |
| 679 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 680 | getpid (), fd, fd, rv, rv); |
| 681 | } |
| 682 | return rv; |
| 683 | } |
| 684 | |
| 685 | int |
| 686 | ioctl (int fd, unsigned long int cmd, ...) |
| 687 | { |
| 688 | const char *func_str; |
| 689 | int rv; |
| 690 | va_list ap; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 691 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 692 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 693 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 694 | return -1; |
| 695 | |
| 696 | va_start (ap, cmd); |
| 697 | if (sid != INVALID_SESSION_ID) |
| 698 | { |
| 699 | func_str = "vppcom_session_attr[GET_NREAD]"; |
| 700 | |
| 701 | switch (cmd) |
| 702 | { |
| 703 | case FIONREAD: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 704 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 705 | clib_warning |
| 706 | ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x)", |
| 707 | getpid (), fd, fd, func_str, sid, sid); |
| 708 | |
| 709 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_NREAD, 0, 0); |
| 710 | break; |
| 711 | |
| 712 | case FIONBIO: |
| 713 | { |
| 714 | u32 flags = va_arg (ap, int) ? O_NONBLOCK : 0; |
| 715 | u32 size = sizeof (flags); |
| 716 | |
| 717 | /* TBD: When VPPCOM_ATTR_[GS]ET_FLAGS supports flags other than |
| 718 | * non-blocking, the flags should be read here and merged |
| 719 | * with O_NONBLOCK. |
| 720 | */ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 721 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 722 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 723 | "sid %u (0x%x), flags %d (0x%x), size %d", |
| 724 | getpid (), fd, fd, func_str, sid, sid, |
| 725 | flags, flags, size); |
| 726 | |
| 727 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_FLAGS, &flags, |
| 728 | &size); |
| 729 | } |
| 730 | break; |
| 731 | |
| 732 | default: |
| 733 | rv = -EOPNOTSUPP; |
| 734 | break; |
| 735 | } |
| 736 | if (rv < 0) |
| 737 | { |
| 738 | errno = -rv; |
| 739 | rv = -1; |
| 740 | } |
| 741 | } |
| 742 | else |
| 743 | { |
| 744 | func_str = "libc_vioctl"; |
| 745 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 746 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 747 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): cmd %d", |
| 748 | getpid (), fd, fd, func_str, cmd); |
| 749 | |
| 750 | rv = libc_vioctl (fd, cmd, ap); |
| 751 | } |
| 752 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 753 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 754 | { |
| 755 | if (rv < 0) |
| 756 | { |
| 757 | int errno_val = errno; |
| 758 | perror (func_str); |
| 759 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 760 | "rv %d, errno = %d", getpid (), fd, fd, |
| 761 | func_str, rv, errno_val); |
| 762 | errno = errno_val; |
| 763 | } |
| 764 | else |
| 765 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 766 | getpid (), fd, fd, rv, rv); |
| 767 | } |
| 768 | va_end (ap); |
| 769 | return rv; |
| 770 | } |
| 771 | |
| 772 | int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 773 | ldp_pselect (int nfds, fd_set * __restrict readfds, |
| 774 | fd_set * __restrict writefds, |
| 775 | fd_set * __restrict exceptfds, |
| 776 | const struct timespec *__restrict timeout, |
| 777 | const __sigset_t * __restrict sigmask) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 778 | { |
| 779 | int rv; |
| 780 | char *func_str = "##"; |
| 781 | f64 time_out; |
| 782 | int fd; |
| 783 | uword sid_bits, sid_bits_set, libc_bits, libc_bits_set; |
| 784 | u32 minbits = clib_max (nfds, BITS (uword)); |
| 785 | u32 sid; |
| 786 | |
| 787 | if (nfds < 0) |
| 788 | { |
| 789 | errno = EINVAL; |
| 790 | return -1; |
| 791 | } |
| 792 | |
Dave Wallace | 3ee1fe1 | 2018-02-23 01:09:11 -0500 | [diff] [blame] | 793 | if (timeout) |
| 794 | { |
| 795 | time_out = (timeout->tv_sec == 0 && timeout->tv_nsec == 0) ? |
| 796 | (f64) 0 : (f64) timeout->tv_sec + |
| 797 | (f64) timeout->tv_nsec / (f64) 1000000000; |
| 798 | |
| 799 | /* select as fine grained sleep */ |
| 800 | if (!nfds) |
| 801 | { |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 802 | LDBG (3, "LDP<%d>: sleeping for %.02f seconds", getpid (), |
| 803 | time_out); |
Dave Wallace | 3ee1fe1 | 2018-02-23 01:09:11 -0500 | [diff] [blame] | 804 | |
| 805 | time_out += clib_time_now (&ldp->clib_time); |
| 806 | while (clib_time_now (&ldp->clib_time) < time_out) |
| 807 | ; |
| 808 | return 0; |
| 809 | } |
| 810 | } |
| 811 | else if (!nfds) |
| 812 | { |
| 813 | errno = EINVAL; |
| 814 | return -1; |
| 815 | } |
| 816 | else |
| 817 | time_out = -1; |
| 818 | |
| 819 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 820 | if (nfds <= ldp->sid_bit_val) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 821 | { |
| 822 | func_str = "libc_pselect"; |
| 823 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 824 | LDBG (3, "LDP<%d>: calling %s(): nfds %d, readfds %p, writefds %p, " |
| 825 | "exceptfds %p, timeout %p, sigmask %p", getpid (), func_str, nfds, |
| 826 | readfds, writefds, exceptfds, timeout, sigmask); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 827 | |
| 828 | rv = libc_pselect (nfds, readfds, writefds, exceptfds, |
| 829 | timeout, sigmask); |
| 830 | goto done; |
| 831 | } |
| 832 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 833 | if (PREDICT_FALSE (ldp->sid_bit_val > FD_SETSIZE / 2)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 834 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 835 | clib_warning ("LDP<%d>: ERROR: LDP sid bit value %d (0x%x) > " |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 836 | "FD_SETSIZE/2 %d (0x%x)!", getpid (), |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 837 | ldp->sid_bit_val, ldp->sid_bit_val, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 838 | FD_SETSIZE / 2, FD_SETSIZE / 2); |
| 839 | errno = EOVERFLOW; |
| 840 | return -1; |
| 841 | } |
| 842 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 843 | sid_bits = libc_bits = 0; |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 844 | u32 n_bytes = nfds / 8 + ((nfds % 8) ? 1 : 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 845 | if (readfds) |
| 846 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 847 | clib_bitmap_validate (ldp->sid_rd_bitmap, minbits); |
| 848 | clib_bitmap_validate (ldp->libc_rd_bitmap, minbits); |
| 849 | clib_bitmap_validate (ldp->rd_bitmap, minbits); |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 850 | clib_memcpy_fast (ldp->rd_bitmap, readfds, n_bytes); |
| 851 | memset (readfds, 0, n_bytes); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 852 | |
| 853 | /* *INDENT-OFF* */ |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 854 | clib_bitmap_foreach (fd, ldp->rd_bitmap, ({ |
| 855 | if (fd > nfds) |
| 856 | break; |
| 857 | sid = ldp_sid_from_fd (fd); |
| 858 | LDBG (3, "LDP<%d>: readfds: fd %d (0x%x), sid %u (0x%x)", |
| 859 | getpid (), fd, fd, sid, sid); |
| 860 | if (sid == INVALID_SESSION_ID) |
| 861 | clib_bitmap_set_no_check (ldp->libc_rd_bitmap, fd, 1); |
| 862 | else |
| 863 | clib_bitmap_set_no_check (ldp->sid_rd_bitmap, sid, 1); |
| 864 | })); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 865 | /* *INDENT-ON* */ |
| 866 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 867 | sid_bits_set = clib_bitmap_last_set (ldp->sid_rd_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 868 | sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; |
| 869 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 870 | libc_bits_set = clib_bitmap_last_set (ldp->libc_rd_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 871 | libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; |
| 872 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 873 | LDBG (3, "LDP<%d>: readfds: sid_bits_set %d, sid_bits %d, " |
| 874 | "libc_bits_set %d, libc_bits %d", getpid (), sid_bits_set, |
| 875 | sid_bits, libc_bits_set, libc_bits); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 876 | } |
| 877 | if (writefds) |
| 878 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 879 | clib_bitmap_validate (ldp->sid_wr_bitmap, minbits); |
| 880 | clib_bitmap_validate (ldp->libc_wr_bitmap, minbits); |
| 881 | clib_bitmap_validate (ldp->wr_bitmap, minbits); |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 882 | clib_memcpy_fast (ldp->wr_bitmap, writefds, n_bytes); |
| 883 | memset (writefds, 0, n_bytes); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 884 | |
| 885 | /* *INDENT-OFF* */ |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 886 | clib_bitmap_foreach (fd, ldp->wr_bitmap, ({ |
| 887 | if (fd > nfds) |
| 888 | break; |
| 889 | sid = ldp_sid_from_fd (fd); |
| 890 | LDBG (3, "LDP<%d>: writefds: fd %d (0x%x), sid %u (0x%x)", |
| 891 | getpid (), fd, fd, sid, sid); |
| 892 | if (sid == INVALID_SESSION_ID) |
| 893 | clib_bitmap_set_no_check (ldp->libc_wr_bitmap, fd, 1); |
| 894 | else |
| 895 | clib_bitmap_set_no_check (ldp->sid_wr_bitmap, sid, 1); |
| 896 | })); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 897 | /* *INDENT-ON* */ |
| 898 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 899 | sid_bits_set = clib_bitmap_last_set (ldp->sid_wr_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 900 | sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; |
| 901 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 902 | libc_bits_set = clib_bitmap_last_set (ldp->libc_wr_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 903 | libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; |
| 904 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 905 | LDBG (3, "LDP<%d>: writefds: sid_bits_set %d, sid_bits %d, " |
| 906 | "libc_bits_set %d, libc_bits %d", getpid (), |
| 907 | sid_bits_set, sid_bits, libc_bits_set, libc_bits); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 908 | } |
| 909 | if (exceptfds) |
| 910 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 911 | clib_bitmap_validate (ldp->sid_ex_bitmap, minbits); |
| 912 | clib_bitmap_validate (ldp->libc_ex_bitmap, minbits); |
| 913 | clib_bitmap_validate (ldp->ex_bitmap, minbits); |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 914 | clib_memcpy_fast (ldp->ex_bitmap, exceptfds, n_bytes); |
| 915 | memset (exceptfds, 0, n_bytes); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 916 | |
| 917 | /* *INDENT-OFF* */ |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 918 | clib_bitmap_foreach (fd, ldp->ex_bitmap, ({ |
| 919 | if (fd > nfds) |
| 920 | break; |
| 921 | sid = ldp_sid_from_fd (fd); |
| 922 | LDBG (3, "LDP<%d>: exceptfds: fd %d (0x%x), sid %u (0x%x)", |
| 923 | getpid (), fd, fd, sid, sid); |
| 924 | if (sid == INVALID_SESSION_ID) |
| 925 | clib_bitmap_set_no_check (ldp->libc_ex_bitmap, fd, 1); |
| 926 | else |
| 927 | clib_bitmap_set_no_check (ldp->sid_ex_bitmap, sid, 1); |
| 928 | })); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 929 | /* *INDENT-ON* */ |
| 930 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 931 | sid_bits_set = clib_bitmap_last_set (ldp->sid_ex_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 932 | sid_bits = (sid_bits_set > sid_bits) ? sid_bits_set : sid_bits; |
| 933 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 934 | libc_bits_set = clib_bitmap_last_set (ldp->libc_ex_bitmap) + 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 935 | libc_bits = (libc_bits_set > libc_bits) ? libc_bits_set : libc_bits; |
| 936 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 937 | LDBG (3, "LDP<%d>: exceptfds: sid_bits_set %d, sid_bits %d, " |
| 938 | "libc_bits_set %d, libc_bits %d", getpid (), |
| 939 | sid_bits_set, sid_bits, libc_bits_set, libc_bits); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 940 | } |
| 941 | |
| 942 | if (PREDICT_FALSE (!sid_bits && !libc_bits)) |
| 943 | { |
| 944 | errno = EINVAL; |
| 945 | rv = -1; |
| 946 | goto done; |
| 947 | } |
| 948 | |
| 949 | do |
| 950 | { |
| 951 | if (sid_bits) |
| 952 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 953 | if (!ldp->select_vcl) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 954 | { |
| 955 | func_str = "vppcom_select"; |
| 956 | |
| 957 | if (readfds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 958 | clib_memcpy_fast (ldp->rd_bitmap, ldp->sid_rd_bitmap, |
| 959 | vec_len (ldp->rd_bitmap) * |
| 960 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 961 | if (writefds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 962 | clib_memcpy_fast (ldp->wr_bitmap, ldp->sid_wr_bitmap, |
| 963 | vec_len (ldp->wr_bitmap) * |
| 964 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 965 | if (exceptfds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 966 | clib_memcpy_fast (ldp->ex_bitmap, ldp->sid_ex_bitmap, |
| 967 | vec_len (ldp->ex_bitmap) * |
| 968 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 969 | |
| 970 | rv = vppcom_select (sid_bits, |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 971 | readfds ? ldp->rd_bitmap : NULL, |
| 972 | writefds ? ldp->wr_bitmap : NULL, |
| 973 | exceptfds ? ldp->ex_bitmap : NULL, 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 974 | if (rv < 0) |
| 975 | { |
| 976 | errno = -rv; |
| 977 | rv = -1; |
| 978 | } |
| 979 | else if (rv > 0) |
| 980 | { |
| 981 | if (readfds) |
| 982 | { |
| 983 | /* *INDENT-OFF* */ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 984 | clib_bitmap_foreach (sid, ldp->rd_bitmap, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 985 | ({ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 986 | fd = ldp_fd_from_sid (sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 987 | if (PREDICT_FALSE (fd < 0)) |
| 988 | { |
| 989 | errno = EBADFD; |
| 990 | rv = -1; |
| 991 | goto done; |
| 992 | } |
| 993 | FD_SET (fd, readfds); |
| 994 | })); |
| 995 | /* *INDENT-ON* */ |
| 996 | } |
| 997 | if (writefds) |
| 998 | { |
| 999 | /* *INDENT-OFF* */ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1000 | clib_bitmap_foreach (sid, ldp->wr_bitmap, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1001 | ({ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1002 | fd = ldp_fd_from_sid (sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1003 | if (PREDICT_FALSE (fd < 0)) |
| 1004 | { |
| 1005 | errno = EBADFD; |
| 1006 | rv = -1; |
| 1007 | goto done; |
| 1008 | } |
| 1009 | FD_SET (fd, writefds); |
| 1010 | })); |
| 1011 | /* *INDENT-ON* */ |
| 1012 | } |
| 1013 | if (exceptfds) |
| 1014 | { |
| 1015 | /* *INDENT-OFF* */ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1016 | clib_bitmap_foreach (sid, ldp->ex_bitmap, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1017 | ({ |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1018 | fd = ldp_fd_from_sid (sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1019 | if (PREDICT_FALSE (fd < 0)) |
| 1020 | { |
| 1021 | errno = EBADFD; |
| 1022 | rv = -1; |
| 1023 | goto done; |
| 1024 | } |
| 1025 | FD_SET (fd, exceptfds); |
| 1026 | })); |
| 1027 | /* *INDENT-ON* */ |
| 1028 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1029 | ldp->select_vcl = 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1030 | goto done; |
| 1031 | } |
| 1032 | } |
| 1033 | else |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1034 | ldp->select_vcl = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1035 | } |
| 1036 | if (libc_bits) |
| 1037 | { |
| 1038 | struct timespec tspec; |
| 1039 | |
| 1040 | func_str = "libc_pselect"; |
| 1041 | |
| 1042 | if (readfds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1043 | clib_memcpy_fast (readfds, ldp->libc_rd_bitmap, |
| 1044 | vec_len (ldp->rd_bitmap) * |
| 1045 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1046 | if (writefds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1047 | clib_memcpy_fast (writefds, ldp->libc_wr_bitmap, |
| 1048 | vec_len (ldp->wr_bitmap) * |
| 1049 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1050 | if (exceptfds) |
Dave Barach | 178cf49 | 2018-11-13 16:34:13 -0500 | [diff] [blame] | 1051 | clib_memcpy_fast (exceptfds, ldp->libc_ex_bitmap, |
| 1052 | vec_len (ldp->ex_bitmap) * |
| 1053 | sizeof (clib_bitmap_t)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1054 | tspec.tv_sec = tspec.tv_nsec = 0; |
| 1055 | rv = libc_pselect (libc_bits, |
| 1056 | readfds ? readfds : NULL, |
| 1057 | writefds ? writefds : NULL, |
| 1058 | exceptfds ? exceptfds : NULL, &tspec, sigmask); |
| 1059 | if (rv != 0) |
| 1060 | goto done; |
| 1061 | } |
| 1062 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1063 | while ((time_out == -1) || (clib_time_now (&ldp->clib_time) < time_out)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1064 | rv = 0; |
| 1065 | |
| 1066 | done: |
| 1067 | /* TBD: set timeout to amount of time left */ |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 1068 | clib_bitmap_zero (ldp->rd_bitmap); |
| 1069 | clib_bitmap_zero (ldp->sid_rd_bitmap); |
| 1070 | clib_bitmap_zero (ldp->libc_rd_bitmap); |
| 1071 | clib_bitmap_zero (ldp->wr_bitmap); |
| 1072 | clib_bitmap_zero (ldp->sid_wr_bitmap); |
| 1073 | clib_bitmap_zero (ldp->libc_wr_bitmap); |
| 1074 | clib_bitmap_zero (ldp->ex_bitmap); |
| 1075 | clib_bitmap_zero (ldp->sid_ex_bitmap); |
| 1076 | clib_bitmap_zero (ldp->libc_ex_bitmap); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1077 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1078 | if (LDP_DEBUG > 3) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1079 | { |
| 1080 | if (rv < 0) |
| 1081 | { |
| 1082 | int errno_val = errno; |
| 1083 | perror (func_str); |
| 1084 | clib_warning ("LDP<%d>: ERROR: %s() failed! " |
| 1085 | "rv %d, errno = %d", getpid (), |
| 1086 | func_str, rv, errno_val); |
| 1087 | errno = errno_val; |
| 1088 | } |
| 1089 | else |
| 1090 | clib_warning ("LDP<%d>: returning %d (0x%x)", getpid (), rv, rv); |
| 1091 | } |
| 1092 | return rv; |
| 1093 | } |
| 1094 | |
| 1095 | int |
| 1096 | select (int nfds, fd_set * __restrict readfds, |
| 1097 | fd_set * __restrict writefds, |
| 1098 | fd_set * __restrict exceptfds, struct timeval *__restrict timeout) |
| 1099 | { |
| 1100 | struct timespec tspec; |
| 1101 | |
| 1102 | if (timeout) |
| 1103 | { |
| 1104 | tspec.tv_sec = timeout->tv_sec; |
| 1105 | tspec.tv_nsec = timeout->tv_usec * 1000; |
| 1106 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1107 | return ldp_pselect (nfds, readfds, writefds, exceptfds, |
| 1108 | timeout ? &tspec : NULL, NULL); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | #ifdef __USE_XOPEN2K |
| 1112 | int |
| 1113 | pselect (int nfds, fd_set * __restrict readfds, |
| 1114 | fd_set * __restrict writefds, |
| 1115 | fd_set * __restrict exceptfds, |
| 1116 | const struct timespec *__restrict timeout, |
| 1117 | const __sigset_t * __restrict sigmask) |
| 1118 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1119 | return ldp_pselect (nfds, readfds, writefds, exceptfds, timeout, 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1120 | } |
| 1121 | #endif |
| 1122 | |
| 1123 | int |
| 1124 | socket (int domain, int type, int protocol) |
| 1125 | { |
| 1126 | const char *func_str; |
| 1127 | int rv; |
| 1128 | u8 is_nonblocking = type & SOCK_NONBLOCK ? 1 : 0; |
| 1129 | int sock_type = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); |
| 1130 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1131 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1132 | return -1; |
| 1133 | |
| 1134 | if (((domain == AF_INET) || (domain == AF_INET6)) && |
| 1135 | ((sock_type == SOCK_STREAM) || (sock_type == SOCK_DGRAM))) |
| 1136 | { |
| 1137 | int sid; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1138 | u8 proto = ((sock_type == SOCK_DGRAM) ? |
| 1139 | VPPCOM_PROTO_UDP : VPPCOM_PROTO_TCP); |
| 1140 | |
| 1141 | func_str = "vppcom_session_create"; |
| 1142 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 1143 | LDBG (0, "LDP<%d>: : calling %s(): proto %u (%s), is_nonblocking %u", |
| 1144 | getpid (), func_str, proto, vppcom_proto_str (proto), |
| 1145 | is_nonblocking); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1146 | |
Dave Wallace | c04cbf1 | 2018-02-07 18:14:02 -0500 | [diff] [blame] | 1147 | sid = vppcom_session_create (proto, is_nonblocking); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1148 | if (sid < 0) |
| 1149 | { |
| 1150 | errno = -sid; |
| 1151 | rv = -1; |
| 1152 | } |
| 1153 | else |
| 1154 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1155 | func_str = "ldp_fd_from_sid"; |
| 1156 | rv = ldp_fd_from_sid (sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1157 | if (rv < 0) |
| 1158 | { |
| 1159 | (void) vppcom_session_close (sid); |
| 1160 | errno = -rv; |
| 1161 | rv = -1; |
| 1162 | } |
| 1163 | } |
| 1164 | } |
| 1165 | else |
| 1166 | { |
| 1167 | func_str = "libc_socket"; |
| 1168 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 1169 | LDBG (0, "LDP<%d>: : calling %s()", getpid (), func_str); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1170 | |
| 1171 | rv = libc_socket (domain, type, protocol); |
| 1172 | } |
| 1173 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1174 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1175 | { |
| 1176 | if (rv < 0) |
| 1177 | { |
| 1178 | int errno_val = errno; |
| 1179 | perror (func_str); |
| 1180 | clib_warning ("LDP<%d>: ERROR: %s() failed! " |
| 1181 | "rv %d, errno = %d", |
| 1182 | getpid (), func_str, rv, errno_val); |
| 1183 | errno = errno_val; |
| 1184 | } |
| 1185 | else |
| 1186 | clib_warning ("LDP<%d>: : returning fd %d (0x%x)", getpid (), rv, rv); |
| 1187 | } |
| 1188 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1189 | } |
| 1190 | |
| 1191 | /* |
| 1192 | * Create two new sockets, of type TYPE in domain DOMAIN and using |
| 1193 | * protocol PROTOCOL, which are connected to each other, and put file |
| 1194 | * descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero, |
| 1195 | * one will be chosen automatically. |
| 1196 | * Returns 0 on success, -1 for errors. |
| 1197 | * */ |
| 1198 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1199 | socketpair (int domain, int type, int protocol, int fds[2]) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1200 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1201 | const char *func_str; |
| 1202 | int rv; |
| 1203 | int sock_type = type & ~(SOCK_CLOEXEC | SOCK_NONBLOCK); |
| 1204 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1205 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1206 | return -1; |
| 1207 | |
| 1208 | if (((domain == AF_INET) || (domain == AF_INET6)) && |
| 1209 | ((sock_type == SOCK_STREAM) || (sock_type == SOCK_DGRAM))) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1210 | { |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 1211 | func_str = __func__; |
| 1212 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1213 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 1214 | errno = ENOSYS; |
| 1215 | rv = -1; |
| 1216 | } |
| 1217 | else |
| 1218 | { |
| 1219 | func_str = "libc_socket"; |
| 1220 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 1221 | LDBG (1, "LDP<%d>: : calling %s()", getpid (), func_str); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1222 | |
Florin Coras | 173bae3 | 2018-11-16 18:56:28 -0800 | [diff] [blame] | 1223 | rv = libc_socketpair (domain, type, protocol, fds); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1224 | } |
| 1225 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1226 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1227 | { |
| 1228 | if (rv < 0) |
| 1229 | { |
| 1230 | int errno_val = errno; |
| 1231 | perror (func_str); |
| 1232 | clib_warning ("LDP<%d>: ERROR: %s() failed! " |
| 1233 | "rv %d, errno = %d", |
| 1234 | getpid (), func_str, rv, errno_val); |
| 1235 | errno = errno_val; |
| 1236 | } |
| 1237 | else |
| 1238 | clib_warning ("LDP<%d>: : returning fd %d (0x%x)", getpid (), rv, rv); |
| 1239 | } |
| 1240 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1244 | bind (int fd, __CONST_SOCKADDR_ARG addr, socklen_t len) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1245 | { |
| 1246 | int rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1247 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1248 | u32 sid = ldp_sid_from_fd (fd); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1249 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1250 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1251 | return -1; |
| 1252 | |
| 1253 | if (sid != INVALID_SESSION_ID) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1254 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1255 | vppcom_endpt_t ep; |
| 1256 | |
| 1257 | func_str = "vppcom_session_bind"; |
| 1258 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1259 | switch (addr->sa_family) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1260 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1261 | case AF_INET: |
| 1262 | if (len != sizeof (struct sockaddr_in)) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1263 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1264 | clib_warning |
| 1265 | ("LDP<%d>: ERROR: fd %d (0x%x): sid %u (0x%x): Invalid " |
| 1266 | "AF_INET addr len %u!", getpid (), fd, fd, sid, sid, len); |
| 1267 | errno = EINVAL; |
| 1268 | rv = -1; |
| 1269 | goto done; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1270 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1271 | ep.is_ip4 = VPPCOM_IS_IP4; |
| 1272 | ep.ip = (u8 *) & ((const struct sockaddr_in *) addr)->sin_addr; |
| 1273 | ep.port = (u16) ((const struct sockaddr_in *) addr)->sin_port; |
| 1274 | break; |
| 1275 | |
| 1276 | case AF_INET6: |
| 1277 | if (len != sizeof (struct sockaddr_in6)) |
| 1278 | { |
| 1279 | clib_warning |
| 1280 | ("LDP<%d>: ERROR: fd %d (0x%x): sid %u (0x%x): Invalid " |
| 1281 | "AF_INET6 addr len %u!", getpid (), fd, fd, sid, sid, len); |
| 1282 | errno = EINVAL; |
| 1283 | rv = -1; |
| 1284 | goto done; |
| 1285 | } |
| 1286 | ep.is_ip4 = VPPCOM_IS_IP6; |
| 1287 | ep.ip = (u8 *) & ((const struct sockaddr_in6 *) addr)->sin6_addr; |
| 1288 | ep.port = (u16) ((const struct sockaddr_in6 *) addr)->sin6_port; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1289 | break; |
| 1290 | |
| 1291 | default: |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1292 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): sid %u (0x%x): " |
| 1293 | "Unsupported address family %u!", |
| 1294 | getpid (), fd, fd, sid, sid, addr->sa_family); |
| 1295 | errno = EAFNOSUPPORT; |
| 1296 | rv = -1; |
| 1297 | goto done; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1298 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1299 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1300 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 1301 | "addr %p, len %u", |
| 1302 | getpid (), fd, fd, func_str, sid, sid, addr, len); |
| 1303 | |
| 1304 | rv = vppcom_session_bind (sid, &ep); |
| 1305 | if (rv != VPPCOM_OK) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1306 | { |
| 1307 | errno = -rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1308 | rv = -1; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1309 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1310 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1311 | else |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1312 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1313 | func_str = "libc_bind"; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1314 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1315 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1316 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1317 | "addr %p, len %u", |
| 1318 | getpid (), fd, fd, func_str, addr, len); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1319 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1320 | rv = libc_bind (fd, addr, len); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1321 | } |
| 1322 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1323 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1324 | if (LDP_DEBUG > 0) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1325 | { |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1326 | if (rv < 0) |
| 1327 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1328 | int errno_val = errno; |
| 1329 | perror (func_str); |
| 1330 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1331 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1332 | func_str, rv, errno_val); |
| 1333 | errno = errno_val; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1334 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1335 | else |
| 1336 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1337 | getpid (), fd, fd, rv, rv); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1338 | } |
| 1339 | return rv; |
| 1340 | } |
| 1341 | |
| 1342 | static inline int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1343 | ldp_copy_ep_to_sockaddr (__SOCKADDR_ARG addr, socklen_t * __restrict len, |
| 1344 | vppcom_endpt_t * ep) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1345 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1346 | int rv = 0; |
| 1347 | int sa_len, copy_len; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1348 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1349 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1350 | return -1; |
| 1351 | |
| 1352 | if (addr && len && ep) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1353 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1354 | addr->sa_family = (ep->is_ip4 == VPPCOM_IS_IP4) ? AF_INET : AF_INET6; |
| 1355 | switch (addr->sa_family) |
| 1356 | { |
| 1357 | case AF_INET: |
| 1358 | ((struct sockaddr_in *) addr)->sin_port = ep->port; |
| 1359 | if (*len > sizeof (struct sockaddr_in)) |
| 1360 | *len = sizeof (struct sockaddr_in); |
| 1361 | sa_len = sizeof (struct sockaddr_in) - sizeof (struct in_addr); |
| 1362 | copy_len = *len - sa_len; |
| 1363 | if (copy_len > 0) |
| 1364 | memcpy (&((struct sockaddr_in *) addr)->sin_addr, ep->ip, |
| 1365 | copy_len); |
| 1366 | break; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1367 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1368 | case AF_INET6: |
| 1369 | ((struct sockaddr_in6 *) addr)->sin6_port = ep->port; |
| 1370 | if (*len > sizeof (struct sockaddr_in6)) |
| 1371 | *len = sizeof (struct sockaddr_in6); |
| 1372 | sa_len = sizeof (struct sockaddr_in6) - sizeof (struct in6_addr); |
| 1373 | copy_len = *len - sa_len; |
| 1374 | if (copy_len > 0) |
| 1375 | memcpy (((struct sockaddr_in6 *) addr)->sin6_addr. |
| 1376 | __in6_u.__u6_addr8, ep->ip, copy_len); |
| 1377 | break; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1378 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1379 | default: |
| 1380 | /* Not possible */ |
| 1381 | rv = -EAFNOSUPPORT; |
| 1382 | break; |
| 1383 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1384 | } |
Dave Wallace | e695cb4 | 2017-11-02 22:04:42 -0400 | [diff] [blame] | 1385 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1386 | } |
| 1387 | |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1388 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1389 | getsockname (int fd, __SOCKADDR_ARG addr, socklen_t * __restrict len) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1390 | { |
| 1391 | int rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1392 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1393 | u32 sid = ldp_sid_from_fd (fd); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1394 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1395 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1396 | return -1; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1397 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1398 | if (sid != INVALID_SESSION_ID) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1399 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1400 | vppcom_endpt_t ep; |
| 1401 | u8 addr_buf[sizeof (struct in6_addr)]; |
| 1402 | u32 size = sizeof (ep); |
| 1403 | |
| 1404 | ep.ip = addr_buf; |
| 1405 | func_str = "vppcom_session_attr[GET_LCL_ADDR]"; |
| 1406 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1407 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1408 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 1409 | "addr %p, len %u", |
| 1410 | getpid (), fd, fd, func_str, sid, sid, addr, len); |
| 1411 | |
| 1412 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_LCL_ADDR, &ep, &size); |
| 1413 | if (rv != VPPCOM_OK) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1414 | { |
| 1415 | errno = -rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1416 | rv = -1; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1417 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1418 | else |
| 1419 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1420 | rv = ldp_copy_ep_to_sockaddr (addr, len, &ep); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1421 | if (rv != VPPCOM_OK) |
| 1422 | { |
| 1423 | errno = -rv; |
| 1424 | rv = -1; |
| 1425 | } |
| 1426 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1427 | } |
| 1428 | else |
| 1429 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1430 | func_str = "libc_getsockname"; |
| 1431 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1432 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1433 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1434 | "addr %p, len %u", |
| 1435 | getpid (), fd, fd, func_str, addr, len); |
| 1436 | |
| 1437 | rv = libc_getsockname (fd, addr, len); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1438 | } |
| 1439 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1440 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1441 | { |
| 1442 | if (rv < 0) |
| 1443 | { |
| 1444 | int errno_val = errno; |
| 1445 | perror (func_str); |
| 1446 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1447 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1448 | func_str, rv, errno_val); |
| 1449 | errno = errno_val; |
| 1450 | } |
| 1451 | else |
| 1452 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1453 | getpid (), fd, fd, rv, rv); |
| 1454 | } |
| 1455 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1456 | } |
| 1457 | |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1458 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1459 | connect (int fd, __CONST_SOCKADDR_ARG addr, socklen_t len) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1460 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1461 | int rv; |
| 1462 | const char *func_str = __func__; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1463 | u32 sid = ldp_sid_from_fd (fd); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1464 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1465 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1466 | return -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1467 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1468 | if (!addr) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1469 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1470 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): NULL addr, len %u", |
| 1471 | getpid (), fd, fd, len); |
| 1472 | errno = EINVAL; |
| 1473 | rv = -1; |
| 1474 | goto done; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 1475 | } |
| 1476 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1477 | if (sid != INVALID_SESSION_ID) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1478 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1479 | vppcom_endpt_t ep; |
| 1480 | |
| 1481 | func_str = "vppcom_session_connect"; |
| 1482 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1483 | switch (addr->sa_family) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1484 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1485 | case AF_INET: |
| 1486 | if (len != sizeof (struct sockaddr_in)) |
| 1487 | { |
| 1488 | clib_warning |
| 1489 | ("LDP<%d>: fd %d (0x%x): ERROR sid %u (0x%x): Invalid " |
| 1490 | "AF_INET addr len %u!", getpid (), fd, fd, sid, sid, len); |
| 1491 | errno = EINVAL; |
| 1492 | rv = -1; |
| 1493 | goto done; |
| 1494 | } |
| 1495 | ep.is_ip4 = VPPCOM_IS_IP4; |
| 1496 | ep.ip = (u8 *) & ((const struct sockaddr_in *) addr)->sin_addr; |
| 1497 | ep.port = (u16) ((const struct sockaddr_in *) addr)->sin_port; |
| 1498 | break; |
| 1499 | |
| 1500 | case AF_INET6: |
| 1501 | if (len != sizeof (struct sockaddr_in6)) |
| 1502 | { |
| 1503 | clib_warning |
| 1504 | ("LDP<%d>: fd %d (0x%x): ERROR sid %u (0x%x): Invalid " |
| 1505 | "AF_INET6 addr len %u!", getpid (), fd, fd, sid, sid, len); |
| 1506 | errno = EINVAL; |
| 1507 | rv = -1; |
| 1508 | goto done; |
| 1509 | } |
| 1510 | ep.is_ip4 = VPPCOM_IS_IP6; |
| 1511 | ep.ip = (u8 *) & ((const struct sockaddr_in6 *) addr)->sin6_addr; |
| 1512 | ep.port = (u16) ((const struct sockaddr_in6 *) addr)->sin6_port; |
| 1513 | break; |
| 1514 | |
| 1515 | default: |
| 1516 | clib_warning ("LDP<%d>: fd %d (0x%x): ERROR sid %u (0x%x): " |
| 1517 | "Unsupported address family %u!", |
| 1518 | getpid (), fd, fd, sid, sid, addr->sa_family); |
| 1519 | errno = EAFNOSUPPORT; |
| 1520 | rv = -1; |
| 1521 | goto done; |
| 1522 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1523 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1524 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x) " |
| 1525 | "addr %p len %u", |
| 1526 | getpid (), fd, fd, func_str, sid, sid, addr, len); |
| 1527 | |
| 1528 | rv = vppcom_session_connect (sid, &ep); |
| 1529 | if (rv != VPPCOM_OK) |
| 1530 | { |
| 1531 | errno = -rv; |
| 1532 | rv = -1; |
| 1533 | } |
| 1534 | } |
| 1535 | else |
| 1536 | { |
| 1537 | func_str = "libc_connect"; |
| 1538 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1539 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1540 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1541 | "addr %p, len %u", |
| 1542 | getpid (), fd, fd, func_str, addr, len); |
| 1543 | |
| 1544 | rv = libc_connect (fd, addr, len); |
| 1545 | } |
| 1546 | |
| 1547 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1548 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1549 | { |
| 1550 | if (rv < 0) |
| 1551 | { |
| 1552 | int errno_val = errno; |
| 1553 | perror (func_str); |
| 1554 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1555 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1556 | func_str, rv, errno_val); |
| 1557 | errno = errno_val; |
| 1558 | } |
| 1559 | else |
| 1560 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1561 | getpid (), fd, fd, rv, rv); |
| 1562 | } |
| 1563 | return rv; |
| 1564 | } |
| 1565 | |
| 1566 | int |
| 1567 | getpeername (int fd, __SOCKADDR_ARG addr, socklen_t * __restrict len) |
| 1568 | { |
| 1569 | int rv; |
| 1570 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1571 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1572 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1573 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1574 | return -1; |
| 1575 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1576 | if (sid != INVALID_SESSION_ID) |
| 1577 | { |
| 1578 | vppcom_endpt_t ep; |
| 1579 | u8 addr_buf[sizeof (struct in6_addr)]; |
| 1580 | u32 size = sizeof (ep); |
| 1581 | |
| 1582 | ep.ip = addr_buf; |
| 1583 | func_str = "vppcom_session_attr[GET_PEER_ADDR]"; |
| 1584 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1585 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1586 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 1587 | "addr %p, len %u", |
| 1588 | getpid (), fd, fd, func_str, sid, sid, addr, len); |
| 1589 | |
| 1590 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_PEER_ADDR, &ep, &size); |
| 1591 | if (rv != VPPCOM_OK) |
| 1592 | { |
| 1593 | errno = -rv; |
| 1594 | rv = -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1595 | } |
| 1596 | else |
| 1597 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1598 | rv = ldp_copy_ep_to_sockaddr (addr, len, &ep); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1599 | if (rv != VPPCOM_OK) |
| 1600 | { |
| 1601 | errno = -rv; |
| 1602 | rv = -1; |
| 1603 | } |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1604 | } |
| 1605 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1606 | else |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1607 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1608 | func_str = "libc_getpeername"; |
| 1609 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1610 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1611 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1612 | "addr %p, len %u", |
| 1613 | getpid (), fd, fd, func_str, addr, len); |
| 1614 | |
| 1615 | rv = libc_getpeername (fd, addr, len); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1616 | } |
| 1617 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1618 | if (LDP_DEBUG > 2) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1619 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1620 | if (rv < 0) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1621 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1622 | int errno_val = errno; |
| 1623 | perror (func_str); |
| 1624 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1625 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1626 | func_str, rv, errno_val); |
| 1627 | errno = errno_val; |
| 1628 | } |
| 1629 | else |
| 1630 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1631 | getpid (), fd, fd, rv, rv); |
| 1632 | } |
| 1633 | return rv; |
| 1634 | } |
| 1635 | |
| 1636 | ssize_t |
| 1637 | send (int fd, const void *buf, size_t n, int flags) |
| 1638 | { |
| 1639 | ssize_t size; |
| 1640 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1641 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1642 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1643 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1644 | return -1; |
| 1645 | |
| 1646 | if (sid != INVALID_SESSION_ID) |
| 1647 | { |
| 1648 | |
| 1649 | func_str = "vppcom_session_sendto"; |
| 1650 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1651 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1652 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 1653 | "buf %p, n %u, flags 0x%x", |
| 1654 | getpid (), fd, fd, func_str, sid, sid, buf, n, flags); |
| 1655 | |
| 1656 | size = vppcom_session_sendto (sid, (void *) buf, n, flags, NULL); |
qchang | aa8f63c | 2018-05-30 11:44:18 -0700 | [diff] [blame] | 1657 | if (size < VPPCOM_OK) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1658 | { |
| 1659 | errno = -size; |
| 1660 | size = -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 1661 | } |
| 1662 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1663 | else |
| 1664 | { |
| 1665 | func_str = "libc_send"; |
| 1666 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1667 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1668 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1669 | "buf %p, n %u, flags 0x%x", |
| 1670 | getpid (), fd, fd, func_str, buf, n, flags); |
| 1671 | |
| 1672 | size = libc_send (fd, buf, n, flags); |
| 1673 | } |
| 1674 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1675 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1676 | { |
| 1677 | if (size < 0) |
| 1678 | { |
| 1679 | int errno_val = errno; |
| 1680 | perror (func_str); |
| 1681 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1682 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1683 | func_str, size, errno_val); |
| 1684 | errno = errno_val; |
| 1685 | } |
| 1686 | else |
| 1687 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1688 | getpid (), fd, fd, size, size); |
| 1689 | } |
| 1690 | return size; |
| 1691 | } |
| 1692 | |
| 1693 | ssize_t |
| 1694 | sendfile (int out_fd, int in_fd, off_t * offset, size_t len) |
| 1695 | { |
| 1696 | ssize_t size = 0; |
| 1697 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1698 | u32 sid = ldp_sid_from_fd (out_fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1699 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1700 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1701 | return -1; |
| 1702 | |
| 1703 | if (sid != INVALID_SESSION_ID) |
| 1704 | { |
| 1705 | int rv; |
| 1706 | ssize_t results = 0; |
| 1707 | size_t n_bytes_left = len; |
| 1708 | size_t bytes_to_read; |
| 1709 | int nbytes; |
| 1710 | int errno_val; |
| 1711 | u8 eagain = 0; |
| 1712 | u32 flags, flags_len = sizeof (flags); |
| 1713 | |
| 1714 | func_str = "vppcom_session_attr[GET_FLAGS]"; |
| 1715 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_FLAGS, &flags, |
| 1716 | &flags_len); |
| 1717 | if (PREDICT_FALSE (rv != VPPCOM_OK)) |
| 1718 | { |
| 1719 | clib_warning ("LDP<%d>: ERROR: out fd %d (0x%x): %s(): " |
| 1720 | "sid %u (0x%x), returned %d (%s)!", getpid (), |
| 1721 | out_fd, out_fd, func_str, sid, sid, rv, |
| 1722 | vppcom_retval_str (rv)); |
| 1723 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1724 | vec_reset_length (ldp->io_buffer); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1725 | errno = -rv; |
| 1726 | size = -1; |
| 1727 | goto done; |
| 1728 | } |
| 1729 | |
| 1730 | if (offset) |
| 1731 | { |
| 1732 | off_t off = lseek (in_fd, *offset, SEEK_SET); |
| 1733 | if (PREDICT_FALSE (off == -1)) |
| 1734 | { |
| 1735 | func_str = "lseek"; |
| 1736 | errno_val = errno; |
| 1737 | clib_warning ("LDP<%d>: ERROR: out fd %d (0x%x): %s(): " |
| 1738 | "SEEK_SET failed: in_fd %d, offset %p, " |
| 1739 | "*offset %ld, rv %ld, errno %d", getpid (), |
| 1740 | out_fd, out_fd, in_fd, offset, *offset, off, |
| 1741 | errno_val); |
| 1742 | errno = errno_val; |
| 1743 | size = -1; |
| 1744 | goto done; |
| 1745 | } |
| 1746 | |
| 1747 | ASSERT (off == *offset); |
| 1748 | } |
| 1749 | |
| 1750 | do |
| 1751 | { |
| 1752 | func_str = "vppcom_session_attr[GET_NWRITE]"; |
| 1753 | size = vppcom_session_attr (sid, VPPCOM_ATTR_GET_NWRITE, 0, 0); |
| 1754 | if (size < 0) |
| 1755 | { |
| 1756 | clib_warning |
| 1757 | ("LDP<%d>: ERROR: fd %d (0x%x): %s(): sid %u (0x%x), " |
| 1758 | "returned %d (%s)!", getpid (), out_fd, out_fd, func_str, |
| 1759 | sid, sid, size, vppcom_retval_str (size)); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1760 | vec_reset_length (ldp->io_buffer); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1761 | errno = -size; |
| 1762 | size = -1; |
| 1763 | goto done; |
| 1764 | } |
| 1765 | |
| 1766 | bytes_to_read = size; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1767 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1768 | clib_warning |
| 1769 | ("LDP<%d>: fd %d (0x%x): called %s(): sid %u (0x%x), " |
| 1770 | "results %ld, n_bytes_left %lu, bytes_to_read %lu", getpid (), |
| 1771 | out_fd, out_fd, func_str, sid, sid, results, n_bytes_left, |
| 1772 | bytes_to_read); |
| 1773 | |
| 1774 | if (bytes_to_read == 0) |
| 1775 | { |
| 1776 | if (flags & O_NONBLOCK) |
| 1777 | { |
| 1778 | if (!results) |
| 1779 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1780 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1781 | clib_warning ("LDP<%d>: fd %d (0x%x): sid %u (0x%x): " |
| 1782 | "EAGAIN", |
| 1783 | getpid (), out_fd, out_fd, sid, sid); |
| 1784 | eagain = 1; |
| 1785 | } |
| 1786 | goto update_offset; |
| 1787 | } |
| 1788 | else |
| 1789 | continue; |
| 1790 | } |
| 1791 | bytes_to_read = clib_min (n_bytes_left, bytes_to_read); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1792 | vec_validate (ldp->io_buffer, bytes_to_read); |
| 1793 | nbytes = libc_read (in_fd, ldp->io_buffer, bytes_to_read); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1794 | if (nbytes < 0) |
| 1795 | { |
| 1796 | func_str = "libc_read"; |
| 1797 | errno_val = errno; |
| 1798 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): in_fd (%d), " |
| 1799 | "io_buffer %p, bytes_to_read %lu, rv %d, " |
| 1800 | "errno %d", getpid (), out_fd, out_fd, func_str, |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1801 | in_fd, ldp->io_buffer, bytes_to_read, nbytes, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1802 | errno_val); |
| 1803 | errno = errno_val; |
| 1804 | |
| 1805 | if (results == 0) |
| 1806 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1807 | vec_reset_length (ldp->io_buffer); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1808 | size = -1; |
| 1809 | goto done; |
| 1810 | } |
| 1811 | goto update_offset; |
| 1812 | } |
| 1813 | func_str = "vppcom_session_write"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1814 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1815 | clib_warning |
| 1816 | ("LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), " |
| 1817 | "buf %p, nbytes %u: results %d, n_bytes_left %d", getpid (), |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1818 | out_fd, out_fd, func_str, sid, sid, ldp->io_buffer, nbytes, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1819 | results, n_bytes_left); |
| 1820 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1821 | size = vppcom_session_write (sid, ldp->io_buffer, nbytes); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1822 | if (size < 0) |
| 1823 | { |
| 1824 | if (size == VPPCOM_EAGAIN) |
| 1825 | { |
| 1826 | if (flags & O_NONBLOCK) |
| 1827 | { |
| 1828 | if (!results) |
| 1829 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1830 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1831 | clib_warning |
| 1832 | ("LDP<%d>: fd %d (0x%x): sid %u (0x%x): " |
| 1833 | "EAGAIN", getpid (), out_fd, out_fd, sid, sid); |
| 1834 | eagain = 1; |
| 1835 | } |
| 1836 | goto update_offset; |
| 1837 | } |
| 1838 | else |
| 1839 | continue; |
| 1840 | } |
| 1841 | else |
| 1842 | { |
| 1843 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s():" |
| 1844 | "sid %u, io_buffer %p, nbytes %u " |
| 1845 | "returned %d (%s)", |
| 1846 | getpid (), out_fd, out_fd, func_str, |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1847 | sid, ldp->io_buffer, nbytes, |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1848 | size, vppcom_retval_str (size)); |
| 1849 | } |
| 1850 | if (results == 0) |
| 1851 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1852 | vec_reset_length (ldp->io_buffer); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1853 | errno = -size; |
| 1854 | size = -1; |
| 1855 | goto done; |
| 1856 | } |
| 1857 | goto update_offset; |
| 1858 | } |
| 1859 | |
| 1860 | results += nbytes; |
| 1861 | ASSERT (n_bytes_left >= nbytes); |
| 1862 | n_bytes_left = n_bytes_left - nbytes; |
| 1863 | } |
| 1864 | while (n_bytes_left > 0); |
| 1865 | |
| 1866 | update_offset: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1867 | vec_reset_length (ldp->io_buffer); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1868 | if (offset) |
| 1869 | { |
| 1870 | off_t off = lseek (in_fd, *offset, SEEK_SET); |
| 1871 | if (PREDICT_FALSE (off == -1)) |
| 1872 | { |
| 1873 | func_str = "lseek"; |
| 1874 | errno_val = errno; |
| 1875 | clib_warning ("LDP<%d>: ERROR: %s(): SEEK_SET failed: " |
| 1876 | "in_fd %d, offset %p, *offset %ld, " |
| 1877 | "rv %ld, errno %d", getpid (), in_fd, |
| 1878 | offset, *offset, off, errno_val); |
| 1879 | errno = errno_val; |
| 1880 | size = -1; |
| 1881 | goto done; |
| 1882 | } |
| 1883 | |
| 1884 | ASSERT (off == *offset); |
| 1885 | *offset += results + 1; |
| 1886 | } |
| 1887 | if (eagain) |
| 1888 | { |
| 1889 | errno = EAGAIN; |
| 1890 | size = -1; |
| 1891 | } |
| 1892 | else |
| 1893 | size = results; |
| 1894 | } |
| 1895 | else |
| 1896 | { |
| 1897 | func_str = "libc_send"; |
| 1898 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1899 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1900 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1901 | "in_fd %d, offset %p, len %u", |
| 1902 | getpid (), out_fd, out_fd, func_str, |
| 1903 | in_fd, offset, len); |
| 1904 | |
| 1905 | size = libc_sendfile (out_fd, in_fd, offset, len); |
| 1906 | } |
| 1907 | |
| 1908 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1909 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1910 | { |
| 1911 | if (size < 0) |
| 1912 | { |
| 1913 | int errno_val = errno; |
| 1914 | perror (func_str); |
| 1915 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1916 | "rv %d, errno = %d", getpid (), out_fd, out_fd, |
| 1917 | func_str, size, errno_val); |
| 1918 | errno = errno_val; |
| 1919 | } |
| 1920 | else |
| 1921 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1922 | getpid (), out_fd, out_fd, size, size); |
| 1923 | } |
| 1924 | return size; |
| 1925 | } |
| 1926 | |
| 1927 | ssize_t |
| 1928 | sendfile64 (int out_fd, int in_fd, off_t * offset, size_t len) |
| 1929 | { |
| 1930 | return sendfile (out_fd, in_fd, offset, len); |
| 1931 | } |
| 1932 | |
| 1933 | ssize_t |
| 1934 | recv (int fd, void *buf, size_t n, int flags) |
| 1935 | { |
| 1936 | ssize_t size; |
| 1937 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1938 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1939 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1940 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1941 | return -1; |
| 1942 | |
| 1943 | if (sid != INVALID_SESSION_ID) |
| 1944 | { |
| 1945 | func_str = "vppcom_session_recvfrom"; |
| 1946 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1947 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1948 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1949 | "sid %u (0x%x), buf %p, n %u, flags 0x%x", getpid (), |
| 1950 | fd, fd, func_str, sid, sid, buf, n, flags); |
| 1951 | |
| 1952 | size = vppcom_session_recvfrom (sid, buf, n, flags, NULL); |
| 1953 | if (size < 0) |
| 1954 | { |
| 1955 | errno = -size; |
| 1956 | size = -1; |
| 1957 | } |
| 1958 | } |
| 1959 | else |
| 1960 | { |
| 1961 | func_str = "libc_recv"; |
| 1962 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1963 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1964 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 1965 | "buf %p, n %u, flags 0x%x", getpid (), |
| 1966 | fd, fd, func_str, buf, n, flags); |
| 1967 | |
| 1968 | size = libc_recv (fd, buf, n, flags); |
| 1969 | } |
| 1970 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1971 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1972 | { |
| 1973 | if (size < 0) |
| 1974 | { |
| 1975 | int errno_val = errno; |
| 1976 | perror (func_str); |
| 1977 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 1978 | "rv %d, errno = %d", getpid (), fd, fd, |
| 1979 | func_str, size, errno_val); |
| 1980 | errno = errno_val; |
| 1981 | } |
| 1982 | else |
| 1983 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 1984 | getpid (), fd, fd, size, size); |
| 1985 | } |
| 1986 | return size; |
| 1987 | } |
| 1988 | |
| 1989 | ssize_t |
| 1990 | sendto (int fd, const void *buf, size_t n, int flags, |
| 1991 | __CONST_SOCKADDR_ARG addr, socklen_t addr_len) |
| 1992 | { |
| 1993 | ssize_t size; |
| 1994 | const char *func_str = __func__; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1995 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1996 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 1997 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 1998 | return -1; |
| 1999 | |
| 2000 | if (sid != INVALID_SESSION_ID) |
| 2001 | { |
| 2002 | vppcom_endpt_t *ep = 0; |
| 2003 | vppcom_endpt_t _ep; |
| 2004 | |
| 2005 | if (addr) |
| 2006 | { |
| 2007 | ep = &_ep; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2008 | switch (addr->sa_family) |
| 2009 | { |
| 2010 | case AF_INET: |
| 2011 | ep->is_ip4 = VPPCOM_IS_IP4; |
| 2012 | ep->ip = |
| 2013 | (uint8_t *) & ((const struct sockaddr_in *) addr)->sin_addr; |
| 2014 | ep->port = |
| 2015 | (uint16_t) ((const struct sockaddr_in *) addr)->sin_port; |
| 2016 | break; |
| 2017 | |
| 2018 | case AF_INET6: |
| 2019 | ep->is_ip4 = VPPCOM_IS_IP6; |
| 2020 | ep->ip = |
| 2021 | (uint8_t *) & ((const struct sockaddr_in6 *) addr)->sin6_addr; |
| 2022 | ep->port = |
| 2023 | (uint16_t) ((const struct sockaddr_in6 *) addr)->sin6_port; |
| 2024 | break; |
| 2025 | |
| 2026 | default: |
| 2027 | errno = EAFNOSUPPORT; |
| 2028 | size = -1; |
| 2029 | goto done; |
| 2030 | } |
| 2031 | } |
| 2032 | |
| 2033 | func_str = "vppcom_session_sendto"; |
| 2034 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2035 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2036 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2037 | "sid %u (0x%x), buf %p, n %u, flags 0x%x, ep %p", |
| 2038 | getpid (), fd, fd, func_str, sid, sid, buf, n, |
| 2039 | flags, ep); |
| 2040 | |
| 2041 | size = vppcom_session_sendto (sid, (void *) buf, n, flags, ep); |
| 2042 | if (size < 0) |
| 2043 | { |
| 2044 | errno = -size; |
| 2045 | size = -1; |
| 2046 | } |
| 2047 | } |
| 2048 | else |
| 2049 | { |
| 2050 | func_str = "libc_sendto"; |
| 2051 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2052 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2053 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2054 | "buf %p, n %u, flags 0x%x, addr %p, addr_len %d", |
| 2055 | getpid (), fd, fd, func_str, buf, n, flags, |
| 2056 | addr, addr_len); |
| 2057 | |
| 2058 | size = libc_sendto (fd, buf, n, flags, addr, addr_len); |
| 2059 | } |
| 2060 | |
| 2061 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2062 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2063 | { |
| 2064 | if (size < 0) |
| 2065 | { |
| 2066 | int errno_val = errno; |
| 2067 | perror (func_str); |
| 2068 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2069 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2070 | func_str, size, errno_val); |
| 2071 | errno = errno_val; |
| 2072 | } |
| 2073 | else |
| 2074 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2075 | getpid (), fd, fd, size, size); |
| 2076 | } |
| 2077 | return size; |
| 2078 | } |
| 2079 | |
| 2080 | ssize_t |
| 2081 | recvfrom (int fd, void *__restrict buf, size_t n, int flags, |
| 2082 | __SOCKADDR_ARG addr, socklen_t * __restrict addr_len) |
| 2083 | { |
| 2084 | ssize_t size; |
| 2085 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2086 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2087 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2088 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2089 | return -1; |
| 2090 | |
| 2091 | if (sid != INVALID_SESSION_ID) |
| 2092 | { |
| 2093 | vppcom_endpt_t ep; |
| 2094 | u8 src_addr[sizeof (struct sockaddr_in6)]; |
| 2095 | |
| 2096 | func_str = "vppcom_session_recvfrom"; |
| 2097 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2098 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2099 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2100 | "sid %u (0x%x), buf %p, n %u, flags 0x%x, ep %p", |
| 2101 | getpid (), fd, fd, func_str, sid, sid, buf, n, |
| 2102 | flags, &ep); |
| 2103 | if (addr) |
| 2104 | { |
| 2105 | ep.ip = src_addr; |
| 2106 | size = vppcom_session_recvfrom (sid, buf, n, flags, &ep); |
| 2107 | |
| 2108 | if (size > 0) |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2109 | size = ldp_copy_ep_to_sockaddr (addr, addr_len, &ep); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2110 | } |
| 2111 | else |
| 2112 | size = vppcom_session_recvfrom (sid, buf, n, flags, NULL); |
| 2113 | |
| 2114 | if (size < 0) |
| 2115 | { |
| 2116 | errno = -size; |
| 2117 | size = -1; |
| 2118 | } |
| 2119 | } |
| 2120 | else |
| 2121 | { |
| 2122 | func_str = "libc_recvfrom"; |
| 2123 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2124 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2125 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2126 | "buf %p, n %u, flags 0x%x, addr %p, addr_len %d", |
| 2127 | getpid (), fd, fd, func_str, buf, n, flags, |
| 2128 | addr, addr_len); |
| 2129 | |
| 2130 | size = libc_recvfrom (fd, buf, n, flags, addr, addr_len); |
| 2131 | } |
| 2132 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2133 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2134 | { |
| 2135 | if (size < 0) |
| 2136 | { |
| 2137 | int errno_val = errno; |
| 2138 | perror (func_str); |
| 2139 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2140 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2141 | func_str, size, errno_val); |
| 2142 | errno = errno_val; |
| 2143 | } |
| 2144 | else |
| 2145 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2146 | getpid (), fd, fd, size, size); |
| 2147 | } |
| 2148 | return size; |
| 2149 | } |
| 2150 | |
| 2151 | ssize_t |
| 2152 | sendmsg (int fd, const struct msghdr * message, int flags) |
| 2153 | { |
| 2154 | ssize_t size; |
| 2155 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2156 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2157 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2158 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2159 | return -1; |
| 2160 | |
| 2161 | if (sid != INVALID_SESSION_ID) |
| 2162 | { |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 2163 | func_str = __func__; |
| 2164 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2165 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 2166 | errno = ENOSYS; |
| 2167 | size = -1; |
| 2168 | } |
| 2169 | else |
| 2170 | { |
| 2171 | func_str = "libc_sendmsg"; |
| 2172 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2173 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2174 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2175 | "message %p, flags 0x%x", |
| 2176 | getpid (), fd, fd, func_str, message, flags); |
| 2177 | |
| 2178 | size = libc_sendmsg (fd, message, flags); |
| 2179 | } |
| 2180 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2181 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2182 | { |
| 2183 | if (size < 0) |
| 2184 | { |
| 2185 | int errno_val = errno; |
| 2186 | perror (func_str); |
| 2187 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2188 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2189 | func_str, size, errno_val); |
| 2190 | errno = errno_val; |
| 2191 | } |
| 2192 | else |
| 2193 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2194 | getpid (), fd, fd, size, size); |
| 2195 | } |
| 2196 | return size; |
| 2197 | } |
| 2198 | |
| 2199 | #ifdef USE_GNU |
| 2200 | int |
| 2201 | sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags) |
| 2202 | { |
| 2203 | ssize_t size; |
| 2204 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2205 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2206 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2207 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2208 | return -1; |
| 2209 | |
| 2210 | if (sid != INVALID_SESSION_ID) |
| 2211 | { |
| 2212 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 2213 | errno = ENOSYS; |
| 2214 | size = -1; |
| 2215 | } |
| 2216 | else |
| 2217 | { |
| 2218 | func_str = "libc_sendmmsg"; |
| 2219 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2220 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2221 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2222 | "vmessages %p, vlen %u, flags 0x%x", |
| 2223 | getpid (), fd, fd, func_str, vmessages, vlen, flags); |
| 2224 | |
| 2225 | size = libc_sendmmsg (fd, vmessages, vlen, flags); |
| 2226 | } |
| 2227 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2228 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2229 | { |
| 2230 | if (size < 0) |
| 2231 | { |
| 2232 | int errno_val = errno; |
| 2233 | perror (func_str); |
| 2234 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2235 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2236 | func_str, size, errno_val); |
| 2237 | errno = errno_val; |
| 2238 | } |
| 2239 | else |
| 2240 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2241 | getpid (), fd, fd, size, size); |
| 2242 | } |
| 2243 | return size; |
| 2244 | } |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2245 | #endif |
| 2246 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2247 | ssize_t |
| 2248 | recvmsg (int fd, struct msghdr * message, int flags) |
| 2249 | { |
| 2250 | ssize_t size; |
| 2251 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2252 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2253 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2254 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2255 | return -1; |
| 2256 | |
| 2257 | if (sid != INVALID_SESSION_ID) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2258 | { |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 2259 | func_str = __func__; |
| 2260 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2261 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 2262 | errno = ENOSYS; |
| 2263 | size = -1; |
| 2264 | } |
| 2265 | else |
| 2266 | { |
| 2267 | func_str = "libc_recvmsg"; |
| 2268 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2269 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2270 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2271 | "message %p, flags 0x%x", |
| 2272 | getpid (), fd, fd, func_str, message, flags); |
| 2273 | |
| 2274 | size = libc_recvmsg (fd, message, flags); |
| 2275 | } |
| 2276 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2277 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2278 | { |
| 2279 | if (size < 0) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2280 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2281 | int errno_val = errno; |
| 2282 | perror (func_str); |
| 2283 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2284 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2285 | func_str, size, errno_val); |
| 2286 | errno = errno_val; |
| 2287 | } |
| 2288 | else |
| 2289 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2290 | getpid (), fd, fd, size, size); |
| 2291 | } |
| 2292 | return size; |
| 2293 | } |
| 2294 | |
| 2295 | #ifdef USE_GNU |
| 2296 | int |
| 2297 | recvmmsg (int fd, struct mmsghdr *vmessages, |
| 2298 | unsigned int vlen, int flags, struct timespec *tmo) |
| 2299 | { |
| 2300 | ssize_t size; |
| 2301 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2302 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2303 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2304 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2305 | return -1; |
| 2306 | |
| 2307 | if (sid != INVALID_SESSION_ID) |
| 2308 | { |
| 2309 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 2310 | errno = ENOSYS; |
| 2311 | size = -1; |
| 2312 | } |
| 2313 | else |
| 2314 | { |
| 2315 | func_str = "libc_recvmmsg"; |
| 2316 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2317 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2318 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2319 | "vmessages %p, vlen %u, flags 0x%x, tmo %p", |
| 2320 | getpid (), fd, fd, func_str, vmessages, vlen, |
| 2321 | flags, tmo); |
| 2322 | |
| 2323 | size = libc_recvmmsg (fd, vmessages, vlen, flags, tmo); |
| 2324 | } |
| 2325 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2326 | if (LDP_DEBUG > 2) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2327 | { |
| 2328 | if (size < 0) |
| 2329 | { |
| 2330 | int errno_val = errno; |
| 2331 | perror (func_str); |
| 2332 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2333 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2334 | func_str, size, errno_val); |
| 2335 | errno = errno_val; |
| 2336 | } |
| 2337 | else |
| 2338 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2339 | getpid (), fd, fd, size, size); |
| 2340 | } |
| 2341 | return size; |
| 2342 | } |
| 2343 | #endif |
| 2344 | |
| 2345 | int |
| 2346 | getsockopt (int fd, int level, int optname, |
| 2347 | void *__restrict optval, socklen_t * __restrict optlen) |
| 2348 | { |
| 2349 | int rv; |
| 2350 | const char *func_str = __func__; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2351 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 2352 | u32 buflen = optlen ? (u32) * optlen : 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2353 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2354 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2355 | return -1; |
| 2356 | |
| 2357 | if (sid != INVALID_SESSION_ID) |
| 2358 | { |
| 2359 | rv = -EOPNOTSUPP; |
| 2360 | |
| 2361 | switch (level) |
| 2362 | { |
| 2363 | case SOL_TCP: |
| 2364 | switch (optname) |
| 2365 | { |
| 2366 | case TCP_NODELAY: |
| 2367 | func_str = "vppcom_session_attr[SOL_TCP,GET_TCP_NODELAY]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2368 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2369 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2370 | "sid %u (0x%x)", |
| 2371 | getpid (), fd, fd, func_str, sid, sid); |
| 2372 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_TCP_NODELAY, |
| 2373 | optval, optlen); |
| 2374 | break; |
| 2375 | case TCP_MAXSEG: |
| 2376 | func_str = "vppcom_session_attr[SOL_TCP,GET_TCP_USER_MSS]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2377 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2378 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2379 | "sid %u (0x%x)", |
| 2380 | getpid (), fd, fd, func_str, sid, sid); |
| 2381 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_TCP_USER_MSS, |
| 2382 | optval, optlen); |
| 2383 | break; |
| 2384 | case TCP_KEEPIDLE: |
| 2385 | func_str = "vppcom_session_attr[SOL_TCP,GET_TCP_KEEPIDLE]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2386 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2387 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2388 | "sid %u (0x%x)", |
| 2389 | getpid (), fd, fd, func_str, sid, sid); |
| 2390 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_TCP_KEEPIDLE, |
| 2391 | optval, optlen); |
| 2392 | break; |
| 2393 | case TCP_KEEPINTVL: |
| 2394 | func_str = "vppcom_session_attr[SOL_TCP,GET_TCP_KEEPINTVL]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2395 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2396 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2397 | "sid %u (0x%x), SOL_TCP", |
| 2398 | getpid (), fd, fd, func_str, sid, sid); |
| 2399 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_TCP_KEEPINTVL, |
| 2400 | optval, optlen); |
| 2401 | break; |
| 2402 | case TCP_INFO: |
| 2403 | if (optval && optlen && (*optlen == sizeof (struct tcp_info))) |
| 2404 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2405 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2406 | clib_warning ("LDP<%d>: fd %d (0x%x): sid %u (0x%x), " |
| 2407 | "SOL_TCP, TCP_INFO, optval %p, " |
| 2408 | "optlen %d: #LDP-NOP#", |
| 2409 | getpid (), fd, fd, sid, sid, |
| 2410 | optval, *optlen); |
| 2411 | memset (optval, 0, *optlen); |
| 2412 | rv = VPPCOM_OK; |
| 2413 | } |
| 2414 | else |
| 2415 | rv = -EFAULT; |
| 2416 | break; |
| 2417 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2418 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2419 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2420 | "sid %u (0x%x), SOL_TCP, " |
| 2421 | "optname %d unsupported!", |
| 2422 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2423 | break; |
| 2424 | } |
| 2425 | break; |
| 2426 | case SOL_IPV6: |
| 2427 | switch (optname) |
| 2428 | { |
| 2429 | case IPV6_V6ONLY: |
| 2430 | func_str = "vppcom_session_attr[SOL_IPV6,GET_V6ONLY]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2431 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2432 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2433 | "sid %u (0x%x)", |
| 2434 | getpid (), fd, fd, func_str, sid, sid); |
| 2435 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_V6ONLY, |
| 2436 | optval, optlen); |
| 2437 | break; |
| 2438 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2439 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2440 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2441 | "sid %u (0x%x), SOL_IPV6, " |
| 2442 | "optname %d unsupported!", |
| 2443 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2444 | break; |
| 2445 | } |
| 2446 | break; |
| 2447 | case SOL_SOCKET: |
| 2448 | switch (optname) |
| 2449 | { |
| 2450 | case SO_ACCEPTCONN: |
| 2451 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_ACCEPTCONN]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2452 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2453 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2454 | "sid %u (0x%x)", |
| 2455 | getpid (), fd, fd, func_str, sid, sid); |
| 2456 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_LISTEN, |
| 2457 | optval, optlen); |
| 2458 | break; |
| 2459 | case SO_KEEPALIVE: |
| 2460 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_KEEPALIVE]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2461 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2462 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2463 | "sid %u (0x%x)", |
| 2464 | getpid (), fd, fd, func_str, sid, sid); |
| 2465 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_KEEPALIVE, |
| 2466 | optval, optlen); |
| 2467 | break; |
| 2468 | case SO_PROTOCOL: |
| 2469 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_PROTOCOL]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2470 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2471 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2472 | "sid %u (0x%x)", |
| 2473 | getpid (), fd, fd, func_str, sid, sid); |
| 2474 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_PROTOCOL, |
| 2475 | optval, optlen); |
| 2476 | *(int *) optval = *(int *) optval ? SOCK_DGRAM : SOCK_STREAM; |
| 2477 | break; |
| 2478 | case SO_SNDBUF: |
| 2479 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_TX_FIFO_LEN]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2480 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2481 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2482 | "sid %u (0x%x), optlen %d", |
| 2483 | getpid (), fd, fd, func_str, sid, sid, buflen); |
| 2484 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_TX_FIFO_LEN, |
| 2485 | optval, optlen); |
| 2486 | break; |
| 2487 | case SO_RCVBUF: |
| 2488 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_RX_FIFO_LEN]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2489 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2490 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2491 | "sid %u (0x%x), optlen %d", |
Dave Wallace | b4cd4ff | 2018-01-19 12:17:08 -0500 | [diff] [blame] | 2492 | getpid (), fd, fd, func_str, sid, sid, buflen); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2493 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_RX_FIFO_LEN, |
| 2494 | optval, optlen); |
| 2495 | break; |
| 2496 | case SO_REUSEADDR: |
| 2497 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_REUSEADDR]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2498 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2499 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2500 | "sid %u (0x%x)", |
| 2501 | getpid (), fd, fd, func_str, sid, sid); |
| 2502 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_REUSEADDR, |
| 2503 | optval, optlen); |
| 2504 | break; |
| 2505 | case SO_BROADCAST: |
| 2506 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_BROADCAST]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2507 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2508 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2509 | "sid %u (0x%x)", |
| 2510 | getpid (), fd, fd, func_str, sid, sid); |
| 2511 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_BROADCAST, |
| 2512 | optval, optlen); |
| 2513 | break; |
| 2514 | case SO_ERROR: |
| 2515 | func_str = "vppcom_session_attr[SOL_SOCKET,GET_ERROR]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2516 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2517 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2518 | "sid %u (0x%x)", |
| 2519 | getpid (), fd, fd, func_str, sid, sid); |
| 2520 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_GET_ERROR, |
| 2521 | optval, optlen); |
| 2522 | break; |
| 2523 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2524 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2525 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2526 | "sid %u (0x%x), SOL_SOCKET, " |
| 2527 | "optname %d unsupported!", |
| 2528 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2529 | break; |
| 2530 | } |
| 2531 | break; |
| 2532 | default: |
| 2533 | break; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2534 | } |
| 2535 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2536 | if (rv != VPPCOM_OK) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2537 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2538 | errno = -rv; |
| 2539 | rv = -1; |
| 2540 | } |
| 2541 | } |
| 2542 | else |
| 2543 | { |
| 2544 | func_str = "libc_getsockopt"; |
| 2545 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2546 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2547 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): level %d, " |
| 2548 | "optname %d, optval %p, optlen %d", |
| 2549 | getpid (), fd, fd, func_str, level, optname, |
| 2550 | optval, optlen); |
| 2551 | |
| 2552 | rv = libc_getsockopt (fd, level, optname, optval, optlen); |
| 2553 | } |
| 2554 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2555 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2556 | { |
| 2557 | if (rv < 0) |
| 2558 | { |
| 2559 | int errno_val = errno; |
| 2560 | perror (func_str); |
| 2561 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2562 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2563 | func_str, rv, errno_val); |
| 2564 | errno = errno_val; |
| 2565 | } |
| 2566 | else |
| 2567 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2568 | getpid (), fd, fd, rv, rv); |
| 2569 | } |
| 2570 | return rv; |
| 2571 | } |
| 2572 | |
| 2573 | int |
| 2574 | setsockopt (int fd, int level, int optname, |
| 2575 | const void *optval, socklen_t optlen) |
| 2576 | { |
| 2577 | int rv; |
| 2578 | const char *func_str = __func__; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2579 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2580 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2581 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2582 | return -1; |
| 2583 | |
| 2584 | if (sid != INVALID_SESSION_ID) |
| 2585 | { |
| 2586 | rv = -EOPNOTSUPP; |
| 2587 | |
| 2588 | switch (level) |
| 2589 | { |
| 2590 | case SOL_TCP: |
| 2591 | switch (optname) |
| 2592 | { |
| 2593 | case TCP_NODELAY: |
| 2594 | func_str = "vppcom_session_attr[SOL_TCP,SET_TCP_NODELAY]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2595 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2596 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2597 | "sid %u (0x%x)", |
| 2598 | getpid (), fd, fd, func_str, sid, sid); |
| 2599 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_TCP_NODELAY, |
| 2600 | (void *) optval, &optlen); |
| 2601 | break; |
| 2602 | case TCP_MAXSEG: |
| 2603 | func_str = "vppcom_session_attr[SOL_TCP,SET_TCP_USER_MSS]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2604 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2605 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2606 | "sid %u (0x%x)", |
| 2607 | getpid (), fd, fd, func_str, sid, sid); |
| 2608 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_TCP_USER_MSS, |
| 2609 | (void *) optval, &optlen); |
| 2610 | break; |
| 2611 | case TCP_KEEPIDLE: |
| 2612 | func_str = "vppcom_session_attr[SOL_TCP,SET_TCP_KEEPIDLE]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2613 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2614 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2615 | "sid %u (0x%x)", |
| 2616 | getpid (), fd, fd, func_str, sid, sid); |
| 2617 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_TCP_KEEPIDLE, |
| 2618 | (void *) optval, &optlen); |
| 2619 | break; |
| 2620 | case TCP_KEEPINTVL: |
| 2621 | func_str = "vppcom_session_attr[SOL_TCP,SET_TCP_KEEPINTVL]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2622 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2623 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2624 | "sid %u (0x%x), SOL_TCP", |
| 2625 | getpid (), fd, fd, func_str, sid, sid); |
| 2626 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_TCP_KEEPINTVL, |
| 2627 | (void *) optval, &optlen); |
| 2628 | break; |
| 2629 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2630 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2631 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2632 | "sid %u (0x%x), SOL_TCP, " |
| 2633 | "optname %d unsupported!", |
| 2634 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2635 | break; |
| 2636 | } |
| 2637 | break; |
| 2638 | case SOL_IPV6: |
| 2639 | switch (optname) |
| 2640 | { |
| 2641 | case IPV6_V6ONLY: |
| 2642 | func_str = "vppcom_session_attr[SOL_IPV6,SET_V6ONLY]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2643 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2644 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2645 | "sid %u (0x%x)", |
| 2646 | getpid (), fd, fd, func_str, sid, sid); |
| 2647 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_V6ONLY, |
| 2648 | (void *) optval, &optlen); |
| 2649 | break; |
| 2650 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2651 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2652 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2653 | "sid %u (0x%x), SOL_IPV6, " |
| 2654 | "optname %d unsupported!", |
| 2655 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2656 | break; |
| 2657 | } |
| 2658 | break; |
| 2659 | case SOL_SOCKET: |
| 2660 | switch (optname) |
| 2661 | { |
| 2662 | case SO_KEEPALIVE: |
| 2663 | func_str = "vppcom_session_attr[SOL_SOCKET,SET_KEEPALIVE]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2664 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2665 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2666 | "sid %u (0x%x)", |
| 2667 | getpid (), fd, fd, func_str, sid, sid); |
| 2668 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_KEEPALIVE, |
| 2669 | (void *) optval, &optlen); |
| 2670 | break; |
| 2671 | case SO_REUSEADDR: |
| 2672 | func_str = "vppcom_session_attr[SOL_SOCKET,SET_REUSEADDR]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2673 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2674 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2675 | "sid %u (0x%x)", |
| 2676 | getpid (), fd, fd, func_str, sid, sid); |
| 2677 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_REUSEADDR, |
| 2678 | (void *) optval, &optlen); |
| 2679 | break; |
| 2680 | case SO_BROADCAST: |
| 2681 | func_str = "vppcom_session_attr[SOL_SOCKET,SET_BROADCAST]"; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2682 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2683 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): " |
| 2684 | "sid %u (0x%x)", |
| 2685 | getpid (), fd, fd, func_str, sid, sid); |
| 2686 | rv = vppcom_session_attr (sid, VPPCOM_ATTR_SET_BROADCAST, |
| 2687 | (void *) optval, &optlen); |
| 2688 | break; |
| 2689 | default: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2690 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2691 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s(): " |
| 2692 | "sid %u (0x%x), SOL_SOCKET, " |
| 2693 | "optname %d unsupported!", |
| 2694 | getpid (), fd, fd, func_str, sid, sid, optname); |
| 2695 | break; |
| 2696 | } |
| 2697 | break; |
| 2698 | default: |
| 2699 | break; |
| 2700 | } |
| 2701 | |
| 2702 | if (rv != VPPCOM_OK) |
| 2703 | { |
| 2704 | errno = -rv; |
| 2705 | rv = -1; |
| 2706 | } |
| 2707 | } |
| 2708 | else |
| 2709 | { |
| 2710 | func_str = "libc_setsockopt"; |
| 2711 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2712 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2713 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): level %d, " |
| 2714 | "optname %d, optval %p, optlen %d", |
| 2715 | getpid (), fd, fd, func_str, level, optname, |
| 2716 | optval, optlen); |
| 2717 | |
| 2718 | rv = libc_setsockopt (fd, level, optname, optval, optlen); |
| 2719 | } |
| 2720 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2721 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2722 | { |
| 2723 | if (rv < 0) |
| 2724 | { |
| 2725 | int errno_val = errno; |
| 2726 | perror (func_str); |
| 2727 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2728 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2729 | func_str, rv, errno_val); |
| 2730 | errno = errno_val; |
| 2731 | } |
| 2732 | else |
| 2733 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2734 | getpid (), fd, fd, rv, rv); |
| 2735 | } |
| 2736 | return rv; |
| 2737 | } |
| 2738 | |
| 2739 | int |
| 2740 | listen (int fd, int n) |
| 2741 | { |
| 2742 | int rv; |
| 2743 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2744 | u32 sid = ldp_sid_from_fd (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2745 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2746 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2747 | return -1; |
| 2748 | |
| 2749 | if (sid != INVALID_SESSION_ID) |
| 2750 | { |
| 2751 | func_str = "vppcom_session_listen"; |
| 2752 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2753 | LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): sid %u (0x%x), n %d", |
| 2754 | getpid (), fd, fd, func_str, sid, sid, n); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2755 | |
| 2756 | rv = vppcom_session_listen (sid, n); |
| 2757 | if (rv != VPPCOM_OK) |
| 2758 | { |
| 2759 | errno = -rv; |
| 2760 | rv = -1; |
| 2761 | } |
| 2762 | } |
| 2763 | else |
| 2764 | { |
| 2765 | func_str = "libc_listen"; |
| 2766 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2767 | LDBG (0, "LDP<%d>: fd %d (0x%x): calling %s(): n %d", getpid (), fd, |
| 2768 | fd, func_str, n); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2769 | |
| 2770 | rv = libc_listen (fd, n); |
| 2771 | } |
| 2772 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2773 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2774 | { |
| 2775 | if (rv < 0) |
| 2776 | { |
| 2777 | int errno_val = errno; |
| 2778 | perror (func_str); |
| 2779 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2780 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2781 | func_str, rv, errno_val); |
| 2782 | errno = errno_val; |
| 2783 | } |
| 2784 | else |
| 2785 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2786 | getpid (), fd, fd, rv, rv); |
| 2787 | } |
| 2788 | return rv; |
| 2789 | } |
| 2790 | |
| 2791 | static inline int |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2792 | ldp_accept4 (int listen_fd, __SOCKADDR_ARG addr, |
| 2793 | socklen_t * __restrict addr_len, int flags) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2794 | { |
| 2795 | int rv; |
| 2796 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2797 | u32 listen_sid = ldp_sid_from_fd (listen_fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2798 | int accept_sid; |
| 2799 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2800 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2801 | return -1; |
| 2802 | |
| 2803 | if (listen_sid != INVALID_SESSION_ID) |
| 2804 | { |
| 2805 | vppcom_endpt_t ep; |
| 2806 | u8 src_addr[sizeof (struct sockaddr_in6)]; |
Dave Wallace | 8aaba56 | 2018-01-18 17:21:19 -0500 | [diff] [blame] | 2807 | memset (&ep, 0, sizeof (ep)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2808 | ep.ip = src_addr; |
| 2809 | |
| 2810 | func_str = "vppcom_session_accept"; |
| 2811 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2812 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2813 | clib_warning ("LDP<%d>: listen fd %d (0x%x): calling %s(): " |
| 2814 | "listen sid %u (0x%x), ep %p, flags 0x%x", |
| 2815 | getpid (), listen_fd, listen_fd, func_str, |
| 2816 | listen_sid, listen_sid, ep, flags); |
| 2817 | |
| 2818 | accept_sid = vppcom_session_accept (listen_sid, &ep, flags); |
| 2819 | if (accept_sid < 0) |
| 2820 | { |
| 2821 | errno = -accept_sid; |
| 2822 | rv = -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2823 | } |
| 2824 | else |
| 2825 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2826 | rv = ldp_copy_ep_to_sockaddr (addr, addr_len, &ep); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2827 | if (rv != VPPCOM_OK) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2828 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2829 | (void) vppcom_session_close ((u32) accept_sid); |
| 2830 | errno = -rv; |
| 2831 | rv = -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2832 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2833 | else |
| 2834 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2835 | func_str = "ldp_fd_from_sid"; |
| 2836 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2837 | clib_warning ("LDP<%d>: listen fd %d (0x%x): calling %s(): " |
| 2838 | "accept sid %u (0x%x), ep %p, flags 0x%x", |
| 2839 | getpid (), listen_fd, listen_fd, |
| 2840 | func_str, accept_sid, accept_sid, ep, flags); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2841 | rv = ldp_fd_from_sid ((u32) accept_sid); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2842 | if (rv < 0) |
| 2843 | { |
| 2844 | (void) vppcom_session_close ((u32) accept_sid); |
| 2845 | errno = -rv; |
| 2846 | rv = -1; |
| 2847 | } |
| 2848 | } |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2849 | } |
| 2850 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2851 | else |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2852 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2853 | func_str = "libc_accept4"; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2854 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2855 | if (LDP_DEBUG > 0) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2856 | clib_warning ("LDP<%d>: listen fd %d (0x%x): calling %s(): " |
| 2857 | "addr %p, addr_len %p, flags 0x%x", |
| 2858 | getpid (), listen_fd, listen_fd, func_str, |
| 2859 | addr, addr_len, flags); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2860 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2861 | rv = libc_accept4 (listen_fd, addr, addr_len, flags); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2862 | } |
| 2863 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2864 | if (LDP_DEBUG > 0) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2865 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2866 | if (rv < 0) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2867 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2868 | int errno_val = errno; |
| 2869 | perror (func_str); |
| 2870 | clib_warning ("LDP<%d>: ERROR: listen fd %d (0x%x): %s() failed! " |
| 2871 | "rv %d, errno = %d", getpid (), listen_fd, |
| 2872 | listen_fd, func_str, rv, errno_val); |
| 2873 | errno = errno_val; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2874 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2875 | else |
| 2876 | clib_warning ("LDP<%d>: listen fd %d (0x%x): returning %d (0x%x)", |
| 2877 | getpid (), listen_fd, listen_fd, rv, rv); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2878 | } |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2879 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2880 | } |
| 2881 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2882 | int |
| 2883 | accept4 (int fd, __SOCKADDR_ARG addr, socklen_t * __restrict addr_len, |
| 2884 | int flags) |
| 2885 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2886 | return ldp_accept4 (fd, addr, addr_len, flags); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2887 | } |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2888 | |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2889 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2890 | accept (int fd, __SOCKADDR_ARG addr, socklen_t * __restrict addr_len) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2891 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2892 | return ldp_accept4 (fd, addr, addr_len, 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2893 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2894 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2895 | int |
| 2896 | shutdown (int fd, int how) |
| 2897 | { |
| 2898 | int rv; |
| 2899 | const char *func_str; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2900 | u32 sid = ldp_sid_from_fd (fd); |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2901 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2902 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2903 | return -1; |
| 2904 | |
| 2905 | if (sid != INVALID_SESSION_ID) |
| 2906 | { |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 2907 | func_str = "vppcom_session_close[TODO]"; |
| 2908 | rv = close (fd); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2909 | } |
| 2910 | else |
| 2911 | { |
| 2912 | func_str = "libc_shutdown"; |
| 2913 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2914 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2915 | clib_warning ("LDP<%d>: fd %d (0x%x): calling %s(): how %d", |
| 2916 | getpid (), fd, fd, func_str, how); |
| 2917 | |
| 2918 | rv = libc_shutdown (fd, how); |
| 2919 | } |
| 2920 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2921 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2922 | { |
| 2923 | if (rv < 0) |
| 2924 | { |
| 2925 | int errno_val = errno; |
| 2926 | perror (func_str); |
| 2927 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 2928 | "rv %d, errno = %d", getpid (), fd, fd, |
| 2929 | func_str, rv, errno_val); |
| 2930 | errno = errno_val; |
| 2931 | } |
| 2932 | else |
| 2933 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 2934 | getpid (), fd, fd, rv, rv); |
| 2935 | } |
| 2936 | return rv; |
| 2937 | } |
| 2938 | |
| 2939 | int |
| 2940 | epoll_create1 (int flags) |
| 2941 | { |
| 2942 | const char *func_str; |
| 2943 | int rv; |
| 2944 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2945 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2946 | return -1; |
| 2947 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2948 | if (ldp->vcl_needs_real_epoll) |
| 2949 | { |
| 2950 | rv = libc_epoll_create1 (flags); |
| 2951 | ldp->vcl_needs_real_epoll = 0; |
| 2952 | ldp->vcl_mq_epfd = rv; |
| 2953 | LDBG (0, "LDP<%d>: created vcl epfd %u", getpid (), rv); |
| 2954 | return rv; |
| 2955 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2956 | func_str = "vppcom_epoll_create"; |
| 2957 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2958 | LDBG (1, "LDP<%d>: calling %s()", getpid (), func_str); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2959 | |
| 2960 | rv = vppcom_epoll_create (); |
| 2961 | |
| 2962 | if (PREDICT_FALSE (rv < 0)) |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2963 | { |
| 2964 | errno = -rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2965 | rv = -1; |
shrinivasan ganapathy | 1d35963 | 2017-10-15 15:46:09 -0700 | [diff] [blame] | 2966 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2967 | else |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2968 | rv = ldp_fd_from_sid ((u32) rv); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2969 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 2970 | if (LDP_DEBUG > 1) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2971 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2972 | if (rv < 0) |
| 2973 | { |
| 2974 | int errno_val = errno; |
| 2975 | perror (func_str); |
| 2976 | clib_warning ("LDP<%d>: ERROR: %s() failed! " |
| 2977 | "rv %d, errno = %d", |
| 2978 | getpid (), func_str, rv, errno_val); |
| 2979 | errno = errno_val; |
| 2980 | } |
| 2981 | else |
| 2982 | clib_warning ("LDP<%d>: returning epfd %d (0x%x)", getpid (), rv, rv); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2983 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2984 | return rv; |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2985 | } |
| 2986 | |
| 2987 | int |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2988 | epoll_create (int size) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2989 | { |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2990 | return epoll_create1 (0); |
| 2991 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 2992 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2993 | int |
| 2994 | epoll_ctl (int epfd, int op, int fd, struct epoll_event *event) |
| 2995 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2996 | u32 vep_idx = ldp_sid_from_fd (epfd), sid; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2997 | const char *func_str; |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 2998 | int rv; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 2999 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3000 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3001 | return -1; |
| 3002 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3003 | if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3004 | { |
Dave Wallace | 3ee1fe1 | 2018-02-23 01:09:11 -0500 | [diff] [blame] | 3005 | /* The LDP epoll_create1 always creates VCL epfd's. |
| 3006 | * The app should never have a kernel base epoll fd unless it |
| 3007 | * was acquired outside of the LD_PRELOAD process context. |
| 3008 | * In any case, if we get one, punt it to libc_epoll_ctl. |
| 3009 | */ |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3010 | func_str = "libc_epoll_ctl"; |
| 3011 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3012 | LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): op %d, fd %d (0x%x)," |
| 3013 | " event %p", getpid (), epfd, epfd, func_str, op, fd, fd, event); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3014 | |
| 3015 | rv = libc_epoll_ctl (epfd, op, fd, event); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3016 | goto done; |
| 3017 | } |
| 3018 | |
| 3019 | sid = ldp_sid_from_fd (fd); |
| 3020 | |
| 3021 | LDBG (0, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x), sid %d (0x%x)", |
| 3022 | getpid (), epfd, epfd, vep_idx, vep_idx, sid, sid); |
| 3023 | |
| 3024 | if (sid != INVALID_SESSION_ID) |
| 3025 | { |
| 3026 | func_str = "vppcom_epoll_ctl"; |
| 3027 | |
| 3028 | LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x)," |
| 3029 | " op %d, sid %u (0x%x), event %p", getpid (), epfd, epfd, |
| 3030 | func_str, vep_idx, vep_idx, sid, sid, event); |
| 3031 | |
| 3032 | rv = vppcom_epoll_ctl (vep_idx, op, sid, event); |
| 3033 | if (rv != VPPCOM_OK) |
| 3034 | { |
| 3035 | errno = -rv; |
| 3036 | rv = -1; |
| 3037 | } |
| 3038 | } |
| 3039 | else |
| 3040 | { |
| 3041 | int libc_epfd; |
| 3042 | u32 size = sizeof (epfd); |
| 3043 | |
| 3044 | func_str = "vppcom_session_attr[GET_LIBC_EPFD]"; |
| 3045 | libc_epfd = vppcom_session_attr (vep_idx, VPPCOM_ATTR_GET_LIBC_EPFD, 0, |
| 3046 | 0); |
| 3047 | LDBG (1, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): %s() " |
| 3048 | "returned libc_epfd %d (0x%x)", getpid (), epfd, epfd, |
| 3049 | vep_idx, vep_idx, func_str, libc_epfd, libc_epfd); |
| 3050 | |
| 3051 | if (!libc_epfd) |
| 3052 | { |
| 3053 | func_str = "libc_epoll_create1"; |
| 3054 | |
| 3055 | LDBG (1, "LDP<%d>: epfd %d (0x%x), vep_idx %d (0x%x): " |
| 3056 | "calling %s(): EPOLL_CLOEXEC", getpid (), epfd, epfd, |
| 3057 | vep_idx, vep_idx, func_str); |
| 3058 | |
| 3059 | libc_epfd = libc_epoll_create1 (EPOLL_CLOEXEC); |
| 3060 | if (libc_epfd < 0) |
| 3061 | { |
| 3062 | rv = libc_epfd; |
| 3063 | goto done; |
| 3064 | } |
| 3065 | |
| 3066 | func_str = "vppcom_session_attr[SET_LIBC_EPFD]"; |
| 3067 | LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x)," |
| 3068 | " VPPCOM_ATTR_SET_LIBC_EPFD, libc_epfd %d (0x%x), size %d", |
| 3069 | getpid (), epfd, epfd, func_str, vep_idx, vep_idx, libc_epfd, |
| 3070 | libc_epfd, size); |
| 3071 | |
| 3072 | rv = vppcom_session_attr (vep_idx, VPPCOM_ATTR_SET_LIBC_EPFD, |
| 3073 | &libc_epfd, &size); |
| 3074 | if (rv < 0) |
| 3075 | { |
| 3076 | errno = -rv; |
| 3077 | rv = -1; |
| 3078 | goto done; |
| 3079 | } |
| 3080 | } |
| 3081 | else if (PREDICT_FALSE (libc_epfd < 0)) |
| 3082 | { |
| 3083 | errno = -epfd; |
| 3084 | rv = -1; |
| 3085 | goto done; |
| 3086 | } |
| 3087 | |
| 3088 | func_str = "libc_epoll_ctl"; |
| 3089 | |
| 3090 | LDBG (1, "LDP<%d>: epfd %d (0x%x): calling %s(): libc_epfd %d (0x%x), " |
| 3091 | "op %d, fd %d (0x%x), event %p", getpid (), epfd, epfd, func_str, |
| 3092 | libc_epfd, libc_epfd, op, fd, fd, event); |
| 3093 | |
| 3094 | rv = libc_epoll_ctl (libc_epfd, op, fd, event); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3095 | } |
| 3096 | |
| 3097 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3098 | if (LDP_DEBUG > 1) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3099 | { |
| 3100 | if (rv < 0) |
| 3101 | { |
| 3102 | int errno_val = errno; |
| 3103 | perror (func_str); |
| 3104 | clib_warning ("LDP<%d>: ERROR: fd %d (0x%x): %s() failed! " |
| 3105 | "rv %d, errno = %d", getpid (), fd, fd, |
| 3106 | func_str, rv, errno_val); |
| 3107 | errno = errno_val; |
| 3108 | } |
| 3109 | else |
| 3110 | clib_warning ("LDP<%d>: fd %d (0x%x): returning %d (0x%x)", |
| 3111 | getpid (), fd, fd, rv, rv); |
| 3112 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3113 | return rv; |
| 3114 | } |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3115 | |
| 3116 | static inline int |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3117 | ldp_epoll_pwait (int epfd, struct epoll_event *events, int maxevents, |
| 3118 | int timeout, const sigset_t * sigmask) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3119 | { |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3120 | double time_to_wait = (double) 0, time_out, now = 0; |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3121 | u32 vep_idx = ldp_sid_from_fd (epfd); |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3122 | int libc_epfd, rv = 0; |
| 3123 | const char *func_str; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3124 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3125 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3126 | return -1; |
| 3127 | |
| 3128 | if (PREDICT_FALSE (!events || (timeout < -1))) |
| 3129 | { |
| 3130 | errno = EFAULT; |
| 3131 | return -1; |
| 3132 | } |
| 3133 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3134 | if (epfd == ldp->vcl_mq_epfd) |
| 3135 | return libc_epoll_pwait (epfd, events, maxevents, timeout, sigmask); |
| 3136 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3137 | if (PREDICT_FALSE (vep_idx == INVALID_SESSION_ID)) |
| 3138 | { |
| 3139 | clib_warning ("LDP<%d>: ERROR: epfd %d (0x%x): bad vep_idx %d (0x%x)!", |
| 3140 | getpid (), epfd, epfd, vep_idx, vep_idx); |
| 3141 | errno = EBADFD; |
| 3142 | return -1; |
| 3143 | } |
| 3144 | |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 3145 | time_to_wait = ((timeout >= 0) ? (double) timeout : 0); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3146 | time_out = clib_time_now (&ldp->clib_time) + time_to_wait; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3147 | |
| 3148 | func_str = "vppcom_session_attr[GET_LIBC_EPFD]"; |
| 3149 | libc_epfd = vppcom_session_attr (vep_idx, VPPCOM_ATTR_GET_LIBC_EPFD, 0, 0); |
| 3150 | if (PREDICT_FALSE (libc_epfd < 0)) |
| 3151 | { |
| 3152 | errno = -libc_epfd; |
| 3153 | rv = -1; |
| 3154 | goto done; |
| 3155 | } |
| 3156 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3157 | LDBG (2, "LDP<%d>: epfd %d (0x%x): vep_idx %d (0x%x), libc_epfd %d (0x%x), " |
| 3158 | "events %p, maxevents %d, timeout %d, sigmask %p: time_to_wait %.02f", |
| 3159 | getpid (), epfd, epfd, vep_idx, vep_idx, libc_epfd, libc_epfd, events, |
| 3160 | maxevents, timeout, sigmask, time_to_wait, time_out); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3161 | do |
| 3162 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3163 | if (!ldp->epoll_wait_vcl) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3164 | { |
| 3165 | func_str = "vppcom_epoll_wait"; |
| 3166 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3167 | LDBG (3, "LDP<%d>: epfd %d (0x%x): calling %s(): vep_idx %d (0x%x)," |
| 3168 | " events %p, maxevents %d", getpid (), epfd, epfd, func_str, |
| 3169 | vep_idx, vep_idx, events, maxevents); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3170 | |
| 3171 | rv = vppcom_epoll_wait (vep_idx, events, maxevents, 0); |
| 3172 | if (rv > 0) |
| 3173 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3174 | ldp->epoll_wait_vcl = 1; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3175 | goto done; |
| 3176 | } |
| 3177 | else if (rv < 0) |
| 3178 | { |
| 3179 | errno = -rv; |
| 3180 | rv = -1; |
| 3181 | goto done; |
| 3182 | } |
| 3183 | } |
| 3184 | else |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3185 | ldp->epoll_wait_vcl = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3186 | |
| 3187 | if (libc_epfd > 0) |
| 3188 | { |
| 3189 | func_str = "libc_epoll_pwait"; |
| 3190 | |
Florin Coras | 9936831 | 2018-08-02 10:45:44 -0700 | [diff] [blame] | 3191 | LDBG (3, "LDP<%d>: epfd %d (0x%x): calling %s(): libc_epfd %d " |
| 3192 | "(0x%x), events %p, maxevents %d, sigmask %p", getpid (), |
| 3193 | epfd, epfd, func_str, libc_epfd, libc_epfd, events, |
| 3194 | maxevents, sigmask); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3195 | |
Keith Burns (alagalah) | 5368efa | 2018-02-07 13:20:28 -0800 | [diff] [blame] | 3196 | rv = libc_epoll_pwait (libc_epfd, events, maxevents, 1, sigmask); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3197 | if (rv != 0) |
| 3198 | goto done; |
| 3199 | } |
| 3200 | |
| 3201 | if (timeout != -1) |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3202 | now = clib_time_now (&ldp->clib_time); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3203 | } |
| 3204 | while (now < time_out); |
| 3205 | |
| 3206 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3207 | if (LDP_DEBUG > 3) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3208 | { |
Keith Burns (alagalah) | 5368efa | 2018-02-07 13:20:28 -0800 | [diff] [blame] | 3209 | if (libc_epfd > 0) |
| 3210 | epfd = libc_epfd; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3211 | if (rv < 0) |
| 3212 | { |
| 3213 | int errno_val = errno; |
| 3214 | perror (func_str); |
| 3215 | clib_warning ("LDP<%d>: ERROR: epfd %d (0x%x): %s() failed! " |
| 3216 | "rv %d, errno = %d", getpid (), epfd, epfd, |
| 3217 | func_str, rv, errno_val); |
| 3218 | errno = errno_val; |
| 3219 | } |
| 3220 | else |
| 3221 | clib_warning ("LDP<%d>: epfd %d (0x%x): returning %d (0x%x)", |
| 3222 | getpid (), epfd, epfd, rv, rv); |
| 3223 | } |
| 3224 | return rv; |
| 3225 | } |
| 3226 | |
| 3227 | int |
| 3228 | epoll_pwait (int epfd, struct epoll_event *events, |
| 3229 | int maxevents, int timeout, const sigset_t * sigmask) |
| 3230 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3231 | return ldp_epoll_pwait (epfd, events, maxevents, timeout, sigmask); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3232 | } |
| 3233 | |
| 3234 | int |
| 3235 | epoll_wait (int epfd, struct epoll_event *events, int maxevents, int timeout) |
| 3236 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3237 | return ldp_epoll_pwait (epfd, events, maxevents, timeout, NULL); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3238 | } |
| 3239 | |
| 3240 | int |
| 3241 | poll (struct pollfd *fds, nfds_t nfds, int timeout) |
| 3242 | { |
| 3243 | const char *func_str = __func__; |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3244 | int rv, i, n_revents = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3245 | u32 sid; |
| 3246 | vcl_poll_t *vp; |
| 3247 | double wait_for_time; |
| 3248 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3249 | LDBG (3, "LDP<%d>: fds %p, nfds %d, timeout %d", getpid (), fds, nfds, |
| 3250 | timeout); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3251 | |
| 3252 | if (timeout >= 0) |
| 3253 | wait_for_time = (f64) timeout / 1000; |
| 3254 | else |
| 3255 | wait_for_time = -1; |
| 3256 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3257 | for (i = 0; i < nfds; i++) |
| 3258 | { |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3259 | if (fds[i].fd < 0) |
| 3260 | continue; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3261 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3262 | LDBG (3, "LDP<%d>: fds[%d] fd %d (0x%0x) events = 0x%x revents = 0x%x", |
| 3263 | getpid (), i, fds[i].fd, fds[i].fd, fds[i].events, |
| 3264 | fds[i].revents); |
| 3265 | |
| 3266 | sid = ldp_sid_from_fd (fds[i].fd); |
| 3267 | if (sid != INVALID_SESSION_ID) |
| 3268 | { |
| 3269 | fds[i].fd = -fds[i].fd; |
| 3270 | vec_add2 (ldp->vcl_poll, vp, 1); |
| 3271 | vp->fds_ndx = i; |
| 3272 | vp->sid = sid; |
| 3273 | vp->events = fds[i].events; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3274 | #ifdef __USE_XOPEN2K |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3275 | if (fds[i].events & POLLRDNORM) |
| 3276 | vp->events |= POLLIN; |
| 3277 | if (fds[i].events & POLLWRNORM) |
| 3278 | vp->events |= POLLOUT; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3279 | #endif |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3280 | vp->revents = fds[i].revents; |
| 3281 | } |
| 3282 | else |
| 3283 | { |
| 3284 | vec_add1 (ldp->libc_poll, fds[i]); |
| 3285 | vec_add1 (ldp->libc_poll_idxs, i); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3286 | } |
| 3287 | } |
| 3288 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3289 | do |
| 3290 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3291 | if (vec_len (ldp->vcl_poll)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3292 | { |
| 3293 | func_str = "vppcom_poll"; |
| 3294 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3295 | LDBG (3, "LDP<%d>: calling %s(): vcl_poll %p, n_sids %u (0x%x): " |
| 3296 | "n_libc_fds %u", getpid (), func_str, ldp->vcl_poll, |
| 3297 | vec_len (ldp->vcl_poll), vec_len (ldp->vcl_poll), |
| 3298 | vec_len (ldp->libc_poll)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3299 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3300 | rv = vppcom_poll (ldp->vcl_poll, vec_len (ldp->vcl_poll), 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3301 | if (rv < 0) |
| 3302 | { |
| 3303 | errno = -rv; |
| 3304 | rv = -1; |
| 3305 | goto done; |
| 3306 | } |
| 3307 | else |
| 3308 | n_revents += rv; |
| 3309 | } |
| 3310 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3311 | if (vec_len (ldp->libc_poll)) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3312 | { |
| 3313 | func_str = "libc_poll"; |
| 3314 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3315 | LDBG (3, "LDP<%d>: calling %s(): fds %p, nfds %u: n_sids %u", |
| 3316 | getpid (), fds, nfds, vec_len (ldp->vcl_poll)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3317 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3318 | rv = libc_poll (ldp->libc_poll, vec_len (ldp->libc_poll), 0); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3319 | if (rv < 0) |
| 3320 | goto done; |
| 3321 | else |
| 3322 | n_revents += rv; |
| 3323 | } |
| 3324 | |
| 3325 | if (n_revents) |
| 3326 | { |
| 3327 | rv = n_revents; |
| 3328 | goto done; |
| 3329 | } |
| 3330 | } |
| 3331 | while ((wait_for_time == -1) || |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3332 | (clib_time_now (&ldp->clib_time) < wait_for_time)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3333 | rv = 0; |
| 3334 | |
| 3335 | done: |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3336 | vec_foreach (vp, ldp->vcl_poll) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3337 | { |
| 3338 | fds[vp->fds_ndx].fd = -fds[vp->fds_ndx].fd; |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3339 | fds[vp->fds_ndx].revents = vp->revents; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3340 | #ifdef __USE_XOPEN2K |
| 3341 | if ((fds[vp->fds_ndx].revents & POLLIN) && |
| 3342 | (fds[vp->fds_ndx].events & POLLRDNORM)) |
| 3343 | fds[vp->fds_ndx].revents |= POLLRDNORM; |
| 3344 | if ((fds[vp->fds_ndx].revents & POLLOUT) && |
| 3345 | (fds[vp->fds_ndx].events & POLLWRNORM)) |
| 3346 | fds[vp->fds_ndx].revents |= POLLWRNORM; |
| 3347 | #endif |
| 3348 | } |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3349 | vec_reset_length (ldp->vcl_poll); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3350 | |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3351 | for (i = 0; i < vec_len (ldp->libc_poll); i++) |
| 3352 | { |
| 3353 | fds[ldp->libc_poll_idxs[i]].revents = ldp->libc_poll[i].revents; |
| 3354 | } |
| 3355 | vec_reset_length (ldp->libc_poll_idxs); |
| 3356 | vec_reset_length (ldp->libc_poll); |
| 3357 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3358 | if (LDP_DEBUG > 3) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3359 | { |
| 3360 | if (rv < 0) |
| 3361 | { |
| 3362 | int errno_val = errno; |
| 3363 | perror (func_str); |
| 3364 | clib_warning ("LDP<%d>: ERROR: %s() failed! " |
| 3365 | "rv %d, errno = %d", getpid (), |
| 3366 | func_str, rv, errno_val); |
| 3367 | errno = errno_val; |
| 3368 | } |
| 3369 | else |
| 3370 | { |
| 3371 | clib_warning ("LDP<%d>: returning %d (0x%x): n_sids %u, " |
| 3372 | "n_libc_fds %d", getpid (), rv, rv, |
Florin Coras | 6917b94 | 2018-11-13 22:44:54 -0800 | [diff] [blame] | 3373 | vec_len (ldp->vcl_poll), vec_len (ldp->libc_poll)); |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3374 | |
| 3375 | for (i = 0; i < nfds; i++) |
| 3376 | { |
| 3377 | if (fds[i].fd >= 0) |
| 3378 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3379 | if (LDP_DEBUG > 3) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3380 | clib_warning ("LDP<%d>: fds[%d].fd %d (0x%0x), " |
| 3381 | ".events = 0x%x, .revents = 0x%x", |
| 3382 | getpid (), i, fds[i].fd, fds[i].fd, |
| 3383 | fds[i].events, fds[i].revents); |
| 3384 | } |
| 3385 | } |
| 3386 | } |
| 3387 | } |
| 3388 | |
| 3389 | return rv; |
| 3390 | } |
| 3391 | |
| 3392 | #ifdef USE_GNU |
| 3393 | int |
| 3394 | ppoll (struct pollfd *fds, nfds_t nfds, |
| 3395 | const struct timespec *timeout, const sigset_t * sigmask) |
| 3396 | { |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3397 | if ((errno = -ldp_init ())) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3398 | return -1; |
| 3399 | |
| 3400 | clib_warning ("LDP<%d>: LDP-TBD", getpid ()); |
| 3401 | errno = ENOSYS; |
| 3402 | |
| 3403 | |
| 3404 | return -1; |
| 3405 | } |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3406 | #endif |
| 3407 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3408 | void CONSTRUCTOR_ATTRIBUTE ldp_constructor (void); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3409 | |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3410 | void DESTRUCTOR_ATTRIBUTE ldp_destructor (void); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3411 | |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3412 | /* |
| 3413 | * This function is called when the library is loaded |
| 3414 | */ |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3415 | void |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3416 | ldp_constructor (void) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3417 | { |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3418 | swrap_constructor (); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3419 | if (ldp_init () != 0) |
| 3420 | fprintf (stderr, "\nLDP<%d>: ERROR: ldp_constructor: failed!\n", |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3421 | getpid ()); |
Dave Wallace | 69d0119 | 2018-02-22 16:22:09 -0500 | [diff] [blame] | 3422 | else if (LDP_DEBUG > 0) |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3423 | clib_warning ("LDP<%d>: LDP constructor: done!\n", getpid ()); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3424 | } |
| 3425 | |
| 3426 | /* |
| 3427 | * This function is called when the library is unloaded |
| 3428 | */ |
| 3429 | void |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3430 | ldp_destructor (void) |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3431 | { |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3432 | swrap_destructor (); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3433 | if (ldp->init) |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3434 | { |
| 3435 | vppcom_app_destroy (); |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3436 | ldp->init = 0; |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3437 | } |
| 3438 | |
| 3439 | /* Don't use clib_warning() here because that calls writev() |
Dave Wallace | 2a86527 | 2018-02-07 21:00:42 -0500 | [diff] [blame] | 3440 | * which will call ldp_init(). |
Dave Wallace | 048b1d6 | 2018-01-03 22:24:41 -0500 | [diff] [blame] | 3441 | */ |
Dave Wallace | 69d0119 | 2018-02-22 16:22:09 -0500 | [diff] [blame] | 3442 | if (LDP_DEBUG > 0) |
| 3443 | printf ("%s:%d: LDP<%d>: LDP destructor: done!\n", |
| 3444 | __func__, __LINE__, getpid ()); |
Keith Burns (alagalah) | b327c2b | 2017-10-09 08:52:59 -0700 | [diff] [blame] | 3445 | } |
| 3446 | |
| 3447 | |
| 3448 | /* |
| 3449 | * fd.io coding-style-patch-verification: ON |
| 3450 | * |
| 3451 | * Local Variables: |
| 3452 | * eval: (c-set-style "gnu") |
| 3453 | * End: |
| 3454 | */ |