Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 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 | /* |
| 16 | * main.c: Unix main routine |
| 17 | * |
| 18 | * Copyright (c) 2008 Eliot Dresselhaus |
| 19 | * |
| 20 | * Permission is hereby granted, free of charge, to any person obtaining |
| 21 | * a copy of this software and associated documentation files (the |
| 22 | * "Software"), to deal in the Software without restriction, including |
| 23 | * without limitation the rights to use, copy, modify, merge, publish, |
| 24 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 25 | * permit persons to whom the Software is furnished to do so, subject to |
| 26 | * the following conditions: |
| 27 | * |
| 28 | * The above copyright notice and this permission notice shall be |
| 29 | * included in all copies or substantial portions of the Software. |
| 30 | * |
| 31 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 32 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 33 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 34 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| 35 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 36 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 37 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 38 | */ |
| 39 | #include <vlib/vlib.h> |
| 40 | #include <vlib/unix/unix.h> |
| 41 | #include <vlib/unix/plugin.h> |
| 42 | |
| 43 | #include <signal.h> |
| 44 | #include <sys/ucontext.h> |
| 45 | #include <syslog.h> |
| 46 | #include <sys/types.h> |
| 47 | #include <sys/stat.h> |
| 48 | #include <fcntl.h> |
Klement Sekera | c8c44eb | 2017-03-02 11:13:30 +0100 | [diff] [blame] | 49 | #include <sys/time.h> |
| 50 | #include <sys/resource.h> |
Damjan Marion | a54230d | 2017-06-21 11:57:07 +0200 | [diff] [blame] | 51 | #include <unistd.h> |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 52 | |
Chris Luke | 7afda3a | 2016-04-25 13:49:22 -0400 | [diff] [blame] | 53 | /** Default CLI pager limit is not configured in startup.conf */ |
| 54 | #define UNIX_CLI_DEFAULT_PAGER_LIMIT 100000 |
| 55 | |
| 56 | /** Default CLI history depth if not configured in startup.conf */ |
| 57 | #define UNIX_CLI_DEFAULT_HISTORY 50 |
| 58 | |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 59 | char *vlib_default_runtime_dir __attribute__ ((weak)); |
Damjan Marion | c67787b | 2017-08-30 17:12:25 +0200 | [diff] [blame] | 60 | char *vlib_default_runtime_dir = "vlib"; |
Chris Luke | 7afda3a | 2016-04-25 13:49:22 -0400 | [diff] [blame] | 61 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 62 | unix_main_t unix_main; |
Damjan Marion | 56dd543 | 2017-09-08 19:52:02 +0200 | [diff] [blame] | 63 | clib_file_main_t file_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 64 | |
| 65 | static clib_error_t * |
| 66 | unix_main_init (vlib_main_t * vm) |
| 67 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 68 | unix_main_t *um = &unix_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 69 | um->vlib_main = vm; |
| 70 | return vlib_call_init_function (vm, unix_input_init); |
| 71 | } |
| 72 | |
| 73 | VLIB_INIT_FUNCTION (unix_main_init); |
| 74 | |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 75 | static int |
| 76 | unsetup_signal_handlers (int sig) |
| 77 | { |
| 78 | struct sigaction sa; |
| 79 | |
| 80 | sa.sa_handler = SIG_DFL; |
| 81 | sa.sa_flags = 0; |
| 82 | sigemptyset (&sa.sa_mask); |
| 83 | return sigaction (sig, &sa, 0); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | /* allocate this buffer from mheap when setting up the signal handler. |
| 88 | dangerous to vec_resize it when crashing, mheap itself might have been |
| 89 | corruptted already */ |
| 90 | static u8 *syslog_msg = 0; |
Dave Barach | 9e52ef6 | 2019-02-28 17:52:57 -0500 | [diff] [blame] | 91 | static int last_signum = 0; |
| 92 | static uword last_faulting_address = 0; |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 93 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 94 | static void |
| 95 | unix_signal_handler (int signum, siginfo_t * si, ucontext_t * uc) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 96 | { |
Dave Barach | 903651c | 2017-10-13 19:16:56 -0400 | [diff] [blame] | 97 | uword fatal = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 98 | |
Dave Barach | 9e52ef6 | 2019-02-28 17:52:57 -0500 | [diff] [blame] | 99 | /* These come in handy when looking at core files from optimized images */ |
| 100 | last_signum = signum; |
| 101 | last_faulting_address = (uword) si->si_addr; |
| 102 | |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 103 | syslog_msg = format (syslog_msg, "received signal %U, PC %U", |
| 104 | format_signal, signum, format_ucontext_pc, uc); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 105 | |
| 106 | if (signum == SIGSEGV) |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 107 | syslog_msg = format (syslog_msg, ", faulting address %p", si->si_addr); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 108 | |
| 109 | switch (signum) |
| 110 | { |
| 111 | /* these (caught) signals cause the application to exit */ |
| 112 | case SIGTERM: |
Dave Barach | d1e17d0 | 2019-03-21 18:01:48 -0400 | [diff] [blame] | 113 | /* |
| 114 | * Ignore SIGTERM if it's sent before we're ready. |
| 115 | */ |
| 116 | if (unix_main.vlib_main && unix_main.vlib_main->main_loop_exit_set) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 117 | { |
| 118 | syslog (LOG_ERR | LOG_DAEMON, "received SIGTERM, exiting..."); |
Dave Barach | 903651c | 2017-10-13 19:16:56 -0400 | [diff] [blame] | 119 | unix_main.vlib_main->main_loop_exit_now = 1; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 120 | } |
Dave Barach | d1e17d0 | 2019-03-21 18:01:48 -0400 | [diff] [blame] | 121 | else |
| 122 | syslog (LOG_ERR | LOG_DAEMON, "IGNORE early SIGTERM..."); |
Dave Barach | 903651c | 2017-10-13 19:16:56 -0400 | [diff] [blame] | 123 | break; |
Dave Barach | b2a6e25 | 2016-07-27 10:00:58 -0400 | [diff] [blame] | 124 | /* fall through */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 125 | case SIGQUIT: |
| 126 | case SIGINT: |
| 127 | case SIGILL: |
| 128 | case SIGBUS: |
| 129 | case SIGSEGV: |
| 130 | case SIGHUP: |
| 131 | case SIGFPE: |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 132 | case SIGABRT: |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 133 | fatal = 1; |
| 134 | break; |
| 135 | |
| 136 | /* by default, print a message and continue */ |
| 137 | default: |
| 138 | fatal = 0; |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | /* Null terminate. */ |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 143 | vec_add1 (syslog_msg, 0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 144 | |
| 145 | if (fatal) |
| 146 | { |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 147 | syslog (LOG_ERR | LOG_DAEMON, "%s", syslog_msg); |
| 148 | |
| 149 | /* Address of callers: outer first, inner last. */ |
| 150 | uword callers[15]; |
| 151 | uword n_callers = clib_backtrace (callers, ARRAY_LEN (callers), 0); |
| 152 | int i; |
| 153 | for (i = 0; i < n_callers; i++) |
| 154 | { |
| 155 | vec_reset_length (syslog_msg); |
| 156 | |
| 157 | syslog_msg = |
| 158 | format (syslog_msg, "#%-2d 0x%016lx %U%c", i, callers[i], |
| 159 | format_clib_elf_symbol_with_address, callers[i], 0); |
| 160 | |
| 161 | syslog (LOG_ERR | LOG_DAEMON, "%s", syslog_msg); |
| 162 | } |
| 163 | |
| 164 | /* have to remove SIGABRT to avoid recusive - os_exit calling abort() */ |
| 165 | unsetup_signal_handlers (SIGABRT); |
| 166 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 167 | os_exit (1); |
| 168 | } |
| 169 | else |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 170 | clib_warning ("%s", syslog_msg); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 171 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | static clib_error_t * |
| 175 | setup_signal_handlers (unix_main_t * um) |
| 176 | { |
| 177 | uword i; |
| 178 | struct sigaction sa; |
| 179 | |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 180 | /* give a big enough buffer for msg, most likely it can avoid vec_resize */ |
| 181 | vec_alloc (syslog_msg, 2048); |
| 182 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 183 | for (i = 1; i < 32; i++) |
| 184 | { |
Dave Barach | b7b9299 | 2018-10-17 10:38:51 -0400 | [diff] [blame] | 185 | clib_memset (&sa, 0, sizeof (sa)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 186 | sa.sa_sigaction = (void *) unix_signal_handler; |
| 187 | sa.sa_flags = SA_SIGINFO; |
| 188 | |
| 189 | switch (i) |
| 190 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 191 | /* these signals take the default action */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 192 | case SIGKILL: |
| 193 | case SIGSTOP: |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 194 | case SIGUSR1: |
| 195 | case SIGUSR2: |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 196 | continue; |
| 197 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 198 | /* ignore SIGPIPE, SIGCHLD */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 199 | case SIGPIPE: |
| 200 | case SIGCHLD: |
| 201 | sa.sa_sigaction = (void *) SIG_IGN; |
| 202 | break; |
| 203 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 204 | /* catch and handle all other signals */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 205 | default: |
| 206 | break; |
| 207 | } |
| 208 | |
| 209 | if (sigaction (i, &sa, 0) < 0) |
| 210 | return clib_error_return_unix (0, "sigaction %U", format_signal, i); |
| 211 | } |
| 212 | |
| 213 | return 0; |
| 214 | } |
| 215 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 216 | static void |
| 217 | unix_error_handler (void *arg, u8 * msg, int msg_len) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 218 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 219 | unix_main_t *um = arg; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 220 | |
| 221 | /* Echo to stderr when interactive. */ |
| 222 | if (um->flags & UNIX_FLAG_INTERACTIVE) |
| 223 | { |
| 224 | CLIB_UNUSED (int r) = write (2, msg, msg_len); |
| 225 | } |
| 226 | else |
| 227 | { |
| 228 | char save = msg[msg_len - 1]; |
| 229 | |
| 230 | /* Null Terminate. */ |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 231 | msg[msg_len - 1] = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 232 | |
| 233 | syslog (LOG_ERR | LOG_DAEMON, "%s", msg); |
| 234 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 235 | msg[msg_len - 1] = save; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 236 | } |
| 237 | } |
| 238 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 239 | void |
| 240 | vlib_unix_error_report (vlib_main_t * vm, clib_error_t * error) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 241 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 242 | unix_main_t *um = &unix_main; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 243 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 244 | if (um->flags & UNIX_FLAG_INTERACTIVE || error == 0) |
| 245 | return; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 246 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 247 | { |
| 248 | char save; |
| 249 | u8 *msg; |
| 250 | u32 msg_len; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 251 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 252 | msg = error->what; |
| 253 | msg_len = vec_len (msg); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 254 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 255 | /* Null Terminate. */ |
| 256 | save = msg[msg_len - 1]; |
| 257 | msg[msg_len - 1] = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 258 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 259 | syslog (LOG_ERR | LOG_DAEMON, "%s", msg); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 260 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 261 | msg[msg_len - 1] = save; |
| 262 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | static uword |
| 266 | startup_config_process (vlib_main_t * vm, |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 267 | vlib_node_runtime_t * rt, vlib_frame_t * f) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 268 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 269 | unix_main_t *um = &unix_main; |
| 270 | u8 *buf = 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 271 | uword l, n = 1; |
| 272 | |
| 273 | vlib_process_suspend (vm, 2.0); |
| 274 | |
| 275 | while (um->unix_config_complete == 0) |
| 276 | vlib_process_suspend (vm, 0.1); |
| 277 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 278 | if (um->startup_config_filename) |
| 279 | { |
| 280 | unformat_input_t sub_input; |
| 281 | int fd; |
| 282 | struct stat s; |
| 283 | char *fn = (char *) um->startup_config_filename; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 284 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 285 | fd = open (fn, O_RDONLY); |
| 286 | if (fd < 0) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 287 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 288 | clib_warning ("failed to open `%s'", fn); |
| 289 | return 0; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 290 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 291 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 292 | if (fstat (fd, &s) < 0) |
| 293 | { |
| 294 | clib_warning ("failed to stat `%s'", fn); |
| 295 | bail: |
| 296 | close (fd); |
| 297 | return 0; |
| 298 | } |
| 299 | |
| 300 | if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode))) |
| 301 | { |
| 302 | clib_warning ("not a regular file: `%s'", fn); |
| 303 | goto bail; |
| 304 | } |
| 305 | |
| 306 | while (n > 0) |
| 307 | { |
| 308 | l = vec_len (buf); |
| 309 | vec_resize (buf, 4096); |
| 310 | n = read (fd, buf + l, 4096); |
| 311 | if (n > 0) |
| 312 | { |
| 313 | _vec_len (buf) = l + n; |
| 314 | if (n < 4096) |
| 315 | break; |
| 316 | } |
| 317 | else |
| 318 | break; |
| 319 | } |
| 320 | if (um->log_fd && vec_len (buf)) |
| 321 | { |
| 322 | u8 *lv = 0; |
| 323 | lv = format (lv, "%U: ***** Startup Config *****\n%v", |
| 324 | format_timeval, 0 /* current bat-time */ , |
| 325 | 0 /* current bat-format */ , |
| 326 | buf); |
| 327 | { |
| 328 | int rv __attribute__ ((unused)) = |
| 329 | write (um->log_fd, lv, vec_len (lv)); |
| 330 | } |
| 331 | vec_reset_length (lv); |
| 332 | lv = format (lv, "%U: ***** End Startup Config *****\n", |
| 333 | format_timeval, 0 /* current bat-time */ , |
| 334 | 0 /* current bat-format */ ); |
| 335 | { |
| 336 | int rv __attribute__ ((unused)) = |
| 337 | write (um->log_fd, lv, vec_len (lv)); |
| 338 | } |
| 339 | vec_free (lv); |
| 340 | } |
| 341 | |
| 342 | if (vec_len (buf)) |
| 343 | { |
| 344 | unformat_init_vector (&sub_input, buf); |
| 345 | vlib_cli_input (vm, &sub_input, 0, 0); |
| 346 | /* frees buf for us */ |
| 347 | unformat_free (&sub_input); |
| 348 | } |
| 349 | close (fd); |
| 350 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 351 | return 0; |
| 352 | } |
| 353 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 354 | /* *INDENT-OFF* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 355 | VLIB_REGISTER_NODE (startup_config_node,static) = { |
| 356 | .function = startup_config_process, |
| 357 | .type = VLIB_NODE_TYPE_PROCESS, |
| 358 | .name = "startup-config-process", |
| 359 | }; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 360 | /* *INDENT-ON* */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 361 | |
| 362 | static clib_error_t * |
| 363 | unix_config (vlib_main_t * vm, unformat_input_t * input) |
| 364 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 365 | unix_main_t *um = &unix_main; |
| 366 | clib_error_t *error = 0; |
Damjan Marion | a54230d | 2017-06-21 11:57:07 +0200 | [diff] [blame] | 367 | gid_t gid; |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 368 | int pidfd = -1; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 369 | |
Chris Luke | 7afda3a | 2016-04-25 13:49:22 -0400 | [diff] [blame] | 370 | /* Defaults */ |
| 371 | um->cli_pager_buffer_limit = UNIX_CLI_DEFAULT_PAGER_LIMIT; |
| 372 | um->cli_history_limit = UNIX_CLI_DEFAULT_HISTORY; |
| 373 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 374 | while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| 375 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 376 | char *cli_prompt; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 377 | if (unformat (input, "interactive")) |
| 378 | um->flags |= UNIX_FLAG_INTERACTIVE; |
| 379 | else if (unformat (input, "nodaemon")) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 380 | um->flags |= UNIX_FLAG_NODAEMON; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 381 | else if (unformat (input, "cli-prompt %s", &cli_prompt)) |
| 382 | vlib_unix_cli_set_prompt (cli_prompt); |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 383 | else |
| 384 | if (unformat (input, "cli-listen %s", &um->cli_listen_socket.config)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 385 | ; |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 386 | else if (unformat (input, "runtime-dir %s", &um->runtime_dir)) |
| 387 | ; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 388 | else if (unformat (input, "cli-line-mode")) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 389 | um->cli_line_mode = 1; |
Chris Luke | 572d812 | 2016-04-25 13:49:07 -0400 | [diff] [blame] | 390 | else if (unformat (input, "cli-no-banner")) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 391 | um->cli_no_banner = 1; |
Chris Luke | 7afda3a | 2016-04-25 13:49:22 -0400 | [diff] [blame] | 392 | else if (unformat (input, "cli-no-pager")) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 393 | um->cli_no_pager = 1; |
Dave Barach | 85aa490 | 2018-06-14 18:52:46 -0400 | [diff] [blame] | 394 | else if (unformat (input, "poll-sleep-usec %d", &um->poll_sleep_usec)) |
| 395 | ; |
Chris Luke | 7afda3a | 2016-04-25 13:49:22 -0400 | [diff] [blame] | 396 | else if (unformat (input, "cli-pager-buffer-limit %d", |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 397 | &um->cli_pager_buffer_limit)) |
| 398 | ; |
| 399 | else |
| 400 | if (unformat (input, "cli-history-limit %d", &um->cli_history_limit)) |
| 401 | ; |
Klement Sekera | c8c44eb | 2017-03-02 11:13:30 +0100 | [diff] [blame] | 402 | else if (unformat (input, "coredump-size")) |
| 403 | { |
| 404 | uword coredump_size = 0; |
| 405 | if (unformat (input, "unlimited")) |
| 406 | { |
| 407 | coredump_size = RLIM_INFINITY; |
| 408 | } |
| 409 | else |
| 410 | if (!unformat (input, "%U", unformat_memory_size, &coredump_size)) |
| 411 | { |
| 412 | return clib_error_return (0, |
| 413 | "invalid coredump-size parameter `%U'", |
| 414 | format_unformat_error, input); |
| 415 | } |
| 416 | const struct rlimit new_limit = { coredump_size, coredump_size }; |
| 417 | if (0 != setrlimit (RLIMIT_CORE, &new_limit)) |
| 418 | { |
| 419 | clib_unix_warning ("prlimit() failed"); |
| 420 | } |
| 421 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 422 | else if (unformat (input, "full-coredump")) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 423 | { |
| 424 | int fd; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 425 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 426 | fd = open ("/proc/self/coredump_filter", O_WRONLY); |
Dave Barach | b2a6e25 | 2016-07-27 10:00:58 -0400 | [diff] [blame] | 427 | if (fd >= 0) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 428 | { |
| 429 | if (write (fd, "0x6f\n", 5) != 5) |
| 430 | clib_unix_warning ("coredump filter write failed!"); |
| 431 | close (fd); |
| 432 | } |
| 433 | else |
| 434 | clib_unix_warning ("couldn't open /proc/self/coredump_filter"); |
| 435 | } |
| 436 | else if (unformat (input, "startup-config %s", |
| 437 | &um->startup_config_filename)) |
| 438 | ; |
| 439 | else if (unformat (input, "exec %s", &um->startup_config_filename)) |
| 440 | ; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 441 | else if (unformat (input, "log %s", &um->log_filename)) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 442 | { |
| 443 | um->log_fd = open ((char *) um->log_filename, |
| 444 | O_CREAT | O_WRONLY | O_APPEND, 0644); |
| 445 | if (um->log_fd < 0) |
| 446 | { |
| 447 | clib_warning ("couldn't open log '%s'\n", um->log_filename); |
| 448 | um->log_fd = 0; |
| 449 | } |
| 450 | else |
| 451 | { |
| 452 | u8 *lv = 0; |
| 453 | lv = format (0, "%U: ***** Start: PID %d *****\n", |
| 454 | format_timeval, 0 /* current bat-time */ , |
| 455 | 0 /* current bat-format */ , |
| 456 | getpid ()); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 457 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 458 | int rv __attribute__ ((unused)) = |
| 459 | write (um->log_fd, lv, vec_len (lv)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 460 | } |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 461 | vec_free (lv); |
| 462 | } |
| 463 | } |
Damjan Marion | a54230d | 2017-06-21 11:57:07 +0200 | [diff] [blame] | 464 | else if (unformat (input, "gid %U", unformat_unix_gid, &gid)) |
| 465 | { |
| 466 | if (setegid (gid) == -1) |
| 467 | return clib_error_return_unix (0, "setegid"); |
| 468 | } |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 469 | else if (unformat (input, "pidfile %s", &um->pidfile)) |
| 470 | ; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 471 | else |
| 472 | return clib_error_return (0, "unknown input `%U'", |
| 473 | format_unformat_error, input); |
| 474 | } |
| 475 | |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 476 | if (um->runtime_dir == 0) |
| 477 | { |
| 478 | uid_t uid = geteuid (); |
| 479 | if (uid == 00) |
| 480 | um->runtime_dir = format (0, "/run/%s%c", |
| 481 | vlib_default_runtime_dir, 0); |
| 482 | else |
| 483 | um->runtime_dir = format (0, "/run/user/%u/%s%c", uid, |
| 484 | vlib_default_runtime_dir, 0); |
| 485 | } |
| 486 | |
Chris Luke | ab7b8d9 | 2017-09-07 07:40:13 -0400 | [diff] [blame] | 487 | error = setup_signal_handlers (um); |
| 488 | if (error) |
| 489 | return error; |
| 490 | |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 491 | if (um->pidfile) |
| 492 | { |
| 493 | if ((error = vlib_unix_validate_runtime_file (um, |
| 494 | (char *) um->pidfile, |
| 495 | &um->pidfile))) |
| 496 | return error; |
| 497 | |
| 498 | if (((pidfd = open ((char *) um->pidfile, |
| 499 | O_CREAT | O_WRONLY | O_TRUNC, 0644)) < 0)) |
| 500 | { |
| 501 | return clib_error_return_unix (0, "open"); |
| 502 | } |
| 503 | } |
| 504 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 505 | if (!(um->flags & UNIX_FLAG_INTERACTIVE)) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 506 | { |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 507 | openlog (vm->name, LOG_CONS | LOG_PERROR | LOG_PID, LOG_DAEMON); |
| 508 | clib_error_register_handler (unix_error_handler, um); |
| 509 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 510 | if (!(um->flags & UNIX_FLAG_NODAEMON) && daemon ( /* chdir to / */ 0, |
| 511 | /* stdin/stdout/stderr -> /dev/null */ |
| 512 | 0) < 0) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 513 | clib_error_return (0, "daemon () fails"); |
| 514 | } |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 515 | |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 516 | if (pidfd >= 0) |
Damjan Marion | c67787b | 2017-08-30 17:12:25 +0200 | [diff] [blame] | 517 | { |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 518 | u8 *lv = format (0, "%d", getpid ()); |
| 519 | if (write (pidfd, (char *) lv, vec_len (lv)) != vec_len (lv)) |
| 520 | { |
| 521 | vec_free (lv); |
| 522 | close (pidfd); |
| 523 | return clib_error_return_unix (0, "write"); |
| 524 | } |
| 525 | vec_free (lv); |
| 526 | close (pidfd); |
Damjan Marion | c67787b | 2017-08-30 17:12:25 +0200 | [diff] [blame] | 527 | } |
| 528 | |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 529 | um->unix_config_complete = 1; |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 530 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 531 | return 0; |
| 532 | } |
| 533 | |
| 534 | /* unix { ... } configuration. */ |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 535 | /*? |
| 536 | * |
| 537 | * @cfgcmd{interactive} |
| 538 | * Attach CLI to stdin/out and provide a debugging command line interface. |
| 539 | * Implies @c nodaemon. |
| 540 | * |
| 541 | * @cfgcmd{nodaemon} |
| 542 | * Do not fork or background the VPP process. Typically used when invoking |
| 543 | * VPP applications from a process monitor. |
| 544 | * |
| 545 | * @cfgcmd{exec, <filename>} |
| 546 | * @par <code>startup-config <filename></code> |
| 547 | * Read startup operational configuration from @c filename. |
| 548 | * The contents of the file will be performed as though entered at the CLI. |
| 549 | * The two keywords are aliases for the same function; if both are specified, |
| 550 | * only the last will have an effect. |
| 551 | * |
| 552 | * @cfgcmd{log, <filename>} |
| 553 | * Logs the startup configuration and all subsequent CLI commands in |
| 554 | * @c filename. |
| 555 | * Very useful in situations where folks don't remember or can't be bothered |
| 556 | * to include CLI commands in bug reports. |
| 557 | * |
Pierre Pfister | 9a244bb | 2017-07-27 22:57:34 -0400 | [diff] [blame] | 558 | * @cfgcmd{pidfile, <filename>} |
| 559 | * Writes the pid of the main thread in @c filename. |
| 560 | * |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 561 | * @cfgcmd{full-coredump} |
| 562 | * Ask the Linux kernel to dump all memory-mapped address regions, instead |
| 563 | * of just text+data+bss. |
| 564 | * |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 565 | * @cfgcmd{runtime-dir} |
| 566 | * Define directory where VPP is going to store all runtime files. |
Paul Vinciguerra | d54815c | 2019-04-11 06:32:19 -0700 | [diff] [blame^] | 567 | * Default is /run/vpp when running as root, /run/user/<UID>/vpp if running as |
| 568 | * an unprivileged user. |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 569 | * |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 570 | * @cfgcmd{cli-listen, <address:port>} |
Paul Vinciguerra | d54815c | 2019-04-11 06:32:19 -0700 | [diff] [blame^] | 571 | * Bind the CLI to listen at the address and port given. @c localhost |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 572 | * on TCP port @c 5002, given as <tt>cli-listen localhost:5002</tt>, |
| 573 | * is typical. |
| 574 | * |
| 575 | * @cfgcmd{cli-line-mode} |
| 576 | * Disable character-by-character I/O on stdin. Useful when combined with, |
| 577 | * for example, <tt>emacs M-x gud-gdb</tt>. |
| 578 | * |
| 579 | * @cfgcmd{cli-prompt, <string>} |
| 580 | * Configure the CLI prompt to be @c string. |
| 581 | * |
| 582 | * @cfgcmd{cli-history-limit, <nn>} |
Paul Vinciguerra | d54815c | 2019-04-11 06:32:19 -0700 | [diff] [blame^] | 583 | * Limit command history to @c nn lines. A value of @c 0 |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 584 | * disables command history. Default value: @c 50 |
| 585 | * |
| 586 | * @cfgcmd{cli-no-banner} |
| 587 | * Disable the login banner on stdin and Telnet connections. |
| 588 | * |
| 589 | * @cfgcmd{cli-no-pager} |
| 590 | * Disable the output pager. |
| 591 | * |
| 592 | * @cfgcmd{cli-pager-buffer-limit, <nn>} |
| 593 | * Limit pager buffer to @c nn lines of output. |
| 594 | * A value of @c 0 disables the pager. Default value: @c 100000 |
Paul Vinciguerra | d54815c | 2019-04-11 06:32:19 -0700 | [diff] [blame^] | 595 | * |
| 596 | * @cfgcmd{gid, <nn>} |
| 597 | * Set the effective gid under which the vpp process is to run. |
| 598 | * |
| 599 | * @cfgcmd{poll-sleep-usec, <nn>} |
| 600 | * Set a fixed poll sleep interval between main loop polls. |
Chris Luke | 90f52bf | 2016-09-12 08:55:13 -0400 | [diff] [blame] | 601 | ?*/ |
Damjan Marion | 57d963f | 2017-07-20 19:17:06 +0200 | [diff] [blame] | 602 | VLIB_EARLY_CONFIG_FUNCTION (unix_config, "unix"); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 603 | |
| 604 | static clib_error_t * |
| 605 | unix_exit (vlib_main_t * vm) |
| 606 | { |
| 607 | /* Close syslog connection. */ |
| 608 | closelog (); |
| 609 | return 0; |
| 610 | } |
| 611 | |
| 612 | VLIB_MAIN_LOOP_EXIT_FUNCTION (unix_exit); |
| 613 | |
| 614 | u8 **vlib_thread_stacks; |
| 615 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 616 | static uword |
| 617 | thread0 (uword arg) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 618 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 619 | vlib_main_t *vm = (vlib_main_t *) arg; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 620 | unformat_input_t input; |
| 621 | int i; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 622 | |
| 623 | unformat_init_command_line (&input, (char **) vm->argv); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 624 | i = vlib_main (vm, &input); |
| 625 | unformat_free (&input); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 626 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 627 | return i; |
| 628 | } |
| 629 | |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 630 | u8 * |
| 631 | vlib_thread_stack_init (uword thread_index) |
| 632 | { |
| 633 | vec_validate (vlib_thread_stacks, thread_index); |
| 634 | vlib_thread_stacks[thread_index] = clib_mem_alloc_aligned |
| 635 | (VLIB_THREAD_STACK_SIZE, VLIB_THREAD_STACK_SIZE); |
| 636 | |
| 637 | /* |
| 638 | * Disallow writes to the bottom page of the stack, to |
| 639 | * catch stack overflows. |
| 640 | */ |
| 641 | if (mprotect (vlib_thread_stacks[thread_index], |
| 642 | clib_mem_get_page_size (), PROT_READ) < 0) |
| 643 | clib_unix_warning ("thread stack"); |
| 644 | return vlib_thread_stacks[thread_index]; |
| 645 | } |
| 646 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 647 | int |
| 648 | vlib_unix_main (int argc, char *argv[]) |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 649 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 650 | vlib_main_t *vm = &vlib_global_main; /* one and only time for this! */ |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 651 | unformat_input_t input; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 652 | clib_error_t *e; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 653 | int i; |
| 654 | |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 655 | vm->argv = (u8 **) argv; |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 656 | vm->name = argv[0]; |
| 657 | vm->heap_base = clib_mem_get_heap (); |
Dave Barach | 6a5adc3 | 2018-07-04 10:56:23 -0400 | [diff] [blame] | 658 | vm->heap_aligned_base = (void *) |
| 659 | (((uword) vm->heap_base) & ~(VLIB_FRAME_ALIGN - 1)); |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 660 | ASSERT (vm->heap_base); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 661 | |
Damjan Marion | 3b46cba | 2017-01-23 21:13:45 +0100 | [diff] [blame] | 662 | unformat_init_command_line (&input, (char **) vm->argv); |
| 663 | if ((e = vlib_plugin_config (vm, &input))) |
| 664 | { |
| 665 | clib_error_report (e); |
| 666 | return 1; |
| 667 | } |
| 668 | unformat_free (&input); |
| 669 | |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 670 | i = vlib_plugin_early_init (vm); |
| 671 | if (i) |
| 672 | return i; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 673 | |
| 674 | unformat_init_command_line (&input, (char **) vm->argv); |
Dave Barach | 1f49ed6 | 2016-02-24 11:29:06 -0500 | [diff] [blame] | 675 | if (vm->init_functions_called == 0) |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 676 | vm->init_functions_called = hash_create (0, /* value bytes */ 0); |
| 677 | e = vlib_call_all_config_functions (vm, &input, 1 /* early */ ); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 678 | if (e != 0) |
| 679 | { |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 680 | clib_error_report (e); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 681 | return 1; |
| 682 | } |
| 683 | unformat_free (&input); |
| 684 | |
Kingwel Xie | 497deaf | 2018-06-15 04:56:24 -0400 | [diff] [blame] | 685 | /* always load symbols, for signal handler and mheap memory get/put backtrace */ |
| 686 | clib_elf_main_init (vm->name); |
| 687 | |
Damjan Marion | 586afd7 | 2017-04-05 19:18:20 +0200 | [diff] [blame] | 688 | vlib_thread_stack_init (0); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 689 | |
Damjan Marion | f55f9b8 | 2017-05-10 21:06:28 +0200 | [diff] [blame] | 690 | __os_thread_index = 0; |
Keith Burns (alagalah) | 0bda0f4 | 2017-10-20 13:55:18 -0700 | [diff] [blame] | 691 | vm->thread_index = 0; |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 692 | |
| 693 | i = clib_calljmp (thread0, (uword) vm, |
| 694 | (void *) (vlib_thread_stacks[0] + |
| 695 | VLIB_THREAD_STACK_SIZE)); |
Ed Warnicke | cb9cada | 2015-12-08 15:45:58 -0700 | [diff] [blame] | 696 | return i; |
| 697 | } |
Dave Barach | 9b8ffd9 | 2016-07-08 08:13:45 -0400 | [diff] [blame] | 698 | |
| 699 | /* |
| 700 | * fd.io coding-style-patch-verification: ON |
| 701 | * |
| 702 | * Local Variables: |
| 703 | * eval: (c-set-style "gnu") |
| 704 | * End: |
| 705 | */ |