Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [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 | #ifndef __included_uri_h__ |
| 16 | #define __included_uri_h__ |
| 17 | |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 18 | #include <svm/svm_fifo_segment.h> |
| 19 | #include <vnet/session/session.h> |
| 20 | #include <vnet/session/application.h> |
| 21 | #include <vnet/session/transport.h> |
Florin Coras | 58d36f0 | 2018-03-09 13:05:53 -0800 | [diff] [blame] | 22 | #include <vnet/tls/tls.h> |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 23 | |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 24 | typedef struct _vnet_app_attach_args_t |
| 25 | { |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 26 | /** Binary API client index */ |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 27 | u32 api_client_index; |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 28 | |
Florin Coras | 0bee9ce | 2018-03-22 21:24:31 -0700 | [diff] [blame] | 29 | /** Application name. Used by builtin apps */ |
| 30 | u8 *name; |
| 31 | |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 32 | /** Application and segment manager options */ |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 33 | u64 *options; |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 34 | |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 35 | /** ID of the namespace the app has access to */ |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 36 | u8 *namespace_id; |
| 37 | |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 38 | /** Session to application callback functions */ |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 39 | session_cb_vft_t *session_cb_vft; |
| 40 | |
| 41 | /* |
| 42 | * Results |
| 43 | */ |
Florin Coras | b384b54 | 2018-01-15 01:08:33 -0800 | [diff] [blame] | 44 | ssvm_private_t *segment; |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 45 | u64 app_event_queue_address; |
| 46 | u32 app_index; |
| 47 | } vnet_app_attach_args_t; |
| 48 | |
| 49 | typedef struct _vnet_app_detach_args_t |
| 50 | { |
| 51 | u32 app_index; |
| 52 | } vnet_app_detach_args_t; |
| 53 | |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 54 | typedef struct _vnet_bind_args_t |
| 55 | { |
| 56 | union |
| 57 | { |
| 58 | char *uri; |
Florin Coras | 3cbc04b | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 59 | session_endpoint_t sep; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 60 | }; |
| 61 | |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 62 | u32 app_index; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 63 | |
| 64 | /* |
| 65 | * Results |
| 66 | */ |
| 67 | char *segment_name; |
| 68 | u32 segment_name_length; |
| 69 | u64 server_event_queue_address; |
| 70 | u64 handle; |
| 71 | } vnet_bind_args_t; |
| 72 | |
| 73 | typedef struct _vnet_unbind_args_t |
| 74 | { |
| 75 | union |
| 76 | { |
| 77 | char *uri; |
| 78 | u64 handle; |
| 79 | }; |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 80 | u32 app_index; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 81 | } vnet_unbind_args_t; |
| 82 | |
| 83 | typedef struct _vnet_connect_args |
| 84 | { |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 85 | union |
| 86 | { |
| 87 | char *uri; |
Florin Coras | 8f89dd0 | 2018-03-05 16:53:07 -0800 | [diff] [blame] | 88 | session_endpoint_extended_t sep; |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 89 | }; |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 90 | u32 app_index; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 91 | u32 api_context; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 92 | |
Florin Coras | f8f516a | 2018-02-08 15:10:09 -0800 | [diff] [blame] | 93 | session_handle_t session_handle; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 94 | } vnet_connect_args_t; |
| 95 | |
| 96 | typedef struct _vnet_disconnect_args_t |
| 97 | { |
Florin Coras | f8f516a | 2018-02-08 15:10:09 -0800 | [diff] [blame] | 98 | session_handle_t handle; |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 99 | u32 app_index; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 100 | } vnet_disconnect_args_t; |
| 101 | |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 102 | typedef struct _vnet_application_add_tls_cert_args_t |
| 103 | { |
| 104 | u32 app_index; |
| 105 | u8 *cert; |
| 106 | } vnet_app_add_tls_cert_args_t; |
| 107 | |
| 108 | typedef struct _vnet_application_add_tls_key_args_t |
| 109 | { |
| 110 | u32 app_index; |
| 111 | u8 *key; |
| 112 | } vnet_app_add_tls_key_args_t; |
| 113 | |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 114 | /* Application attach options */ |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 115 | typedef enum |
| 116 | { |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 117 | APP_OPTIONS_FLAGS, |
Florin Coras | ff6e769 | 2017-12-11 04:59:01 -0800 | [diff] [blame] | 118 | APP_OPTIONS_EVT_QUEUE_SIZE, |
| 119 | APP_OPTIONS_SEGMENT_SIZE, |
| 120 | APP_OPTIONS_ADD_SEGMENT_SIZE, |
Dave Barach | 2c25a62 | 2017-06-26 11:35:07 -0400 | [diff] [blame] | 121 | APP_OPTIONS_PRIVATE_SEGMENT_COUNT, |
Florin Coras | ff6e769 | 2017-12-11 04:59:01 -0800 | [diff] [blame] | 122 | APP_OPTIONS_RX_FIFO_SIZE, |
| 123 | APP_OPTIONS_TX_FIFO_SIZE, |
| 124 | APP_OPTIONS_PREALLOC_FIFO_PAIRS, |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 125 | APP_OPTIONS_NAMESPACE, |
| 126 | APP_OPTIONS_NAMESPACE_SECRET, |
Florin Coras | 7999e83 | 2017-10-31 01:51:04 -0700 | [diff] [blame] | 127 | APP_OPTIONS_PROXY_TRANSPORT, |
Florin Coras | ff6e769 | 2017-12-11 04:59:01 -0800 | [diff] [blame] | 128 | APP_OPTIONS_ACCEPT_COOKIE, |
Florin Coras | 58d36f0 | 2018-03-09 13:05:53 -0800 | [diff] [blame] | 129 | APP_OPTIONS_TLS_ENGINE, |
Florin Coras | ff6e769 | 2017-12-11 04:59:01 -0800 | [diff] [blame] | 130 | APP_OPTIONS_N_OPTIONS |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 131 | } app_attach_options_index_t; |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 132 | |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 133 | #define foreach_app_options_flags \ |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 134 | _(ACCEPT_REDIRECT, "Use FIFO with redirects") \ |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 135 | _(ADD_SEGMENT, "Add segment and signal app if needed") \ |
Florin Coras | 7999e83 | 2017-10-31 01:51:04 -0700 | [diff] [blame] | 136 | _(IS_BUILTIN, "Application is builtin") \ |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 137 | _(IS_PROXY, "Application is proxying") \ |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 138 | _(USE_GLOBAL_SCOPE, "App can use global session scope") \ |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 139 | _(USE_LOCAL_SCOPE, "App can use local session scope") \ |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 140 | _(USE_MQ_FOR_CTRL_MSGS, "Use message queue for ctr msgs") \ |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 141 | |
Florin Coras | a546481 | 2017-04-19 13:00:05 -0700 | [diff] [blame] | 142 | typedef enum _app_options |
| 143 | { |
| 144 | #define _(sym, str) APP_OPTIONS_##sym, |
| 145 | foreach_app_options_flags |
| 146 | #undef _ |
| 147 | } app_options_t; |
| 148 | |
| 149 | typedef enum _app_options_flags |
| 150 | { |
| 151 | #define _(sym, str) APP_OPTIONS_FLAGS_##sym = 1 << APP_OPTIONS_##sym, |
| 152 | foreach_app_options_flags |
| 153 | #undef _ |
| 154 | } app_options_flags_t; |
| 155 | |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 156 | int vnet_bind_uri (vnet_bind_args_t *); |
Florin Coras | 6cf30ad | 2017-04-04 23:08:23 -0700 | [diff] [blame] | 157 | int vnet_unbind_uri (vnet_unbind_args_t * a); |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 158 | clib_error_t *vnet_connect_uri (vnet_connect_args_t * a); |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 159 | |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 160 | clib_error_t *vnet_application_attach (vnet_app_attach_args_t * a); |
Florin Coras | cea194d | 2017-10-02 00:18:51 -0700 | [diff] [blame] | 161 | clib_error_t *vnet_bind (vnet_bind_args_t * a); |
| 162 | clib_error_t *vnet_connect (vnet_connect_args_t * a); |
| 163 | clib_error_t *vnet_unbind (vnet_unbind_args_t * a); |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 164 | int vnet_application_detach (vnet_app_detach_args_t * a); |
| 165 | int vnet_disconnect_session (vnet_disconnect_args_t * a); |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 166 | |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 167 | clib_error_t *vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a); |
| 168 | clib_error_t *vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a); |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 169 | |
Florin Coras | 371ca50 | 2018-02-21 12:07:41 -0800 | [diff] [blame] | 170 | extern const char test_srv_crt_rsa[]; |
| 171 | extern const u32 test_srv_crt_rsa_len; |
| 172 | extern const char test_srv_key_rsa[]; |
| 173 | extern const u32 test_srv_key_rsa_len; |
Florin Coras | f8f516a | 2018-02-08 15:10:09 -0800 | [diff] [blame] | 174 | |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 175 | typedef struct app_session_transport_ |
| 176 | { |
| 177 | ip46_address_t rmt_ip; /**< remote ip */ |
| 178 | ip46_address_t lcl_ip; /**< local ip */ |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 179 | u16 rmt_port; /**< remote port (network order) */ |
| 180 | u16 lcl_port; /**< local port (network order) */ |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 181 | u8 is_ip4; /**< set if uses ip4 networking */ |
| 182 | } app_session_transport_t; |
| 183 | |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 184 | #define foreach_app_session_field \ |
| 185 | _(svm_fifo_t, *rx_fifo) /**< rx fifo */ \ |
| 186 | _(svm_fifo_t, *tx_fifo) /**< tx fifo */ \ |
| 187 | _(session_type_t, session_type) /**< session type */ \ |
| 188 | _(volatile u8, session_state) /**< session state */ \ |
| 189 | _(u32, session_index) /**< index in owning pool */ \ |
| 190 | _(app_session_transport_t, transport) /**< transport info */ \ |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 191 | _(svm_msg_q_t, *vpp_evt_q) /**< vpp event queue */ \ |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 192 | _(u8, is_dgram) /**< flag for dgram mode */ \ |
| 193 | |
| 194 | typedef struct |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 195 | { |
Florin Coras | 7e12d94 | 2018-06-27 14:32:43 -0700 | [diff] [blame] | 196 | #define _(type, name) type name; |
| 197 | foreach_app_session_field |
| 198 | #undef _ |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 199 | } app_session_t; |
| 200 | |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 201 | typedef struct session_accepted_msg_ |
| 202 | { |
| 203 | u32 context; |
| 204 | u64 listener_handle; |
| 205 | u64 handle; |
| 206 | u64 server_rx_fifo; |
| 207 | u64 server_tx_fifo; |
| 208 | u64 vpp_event_queue_address; |
| 209 | u64 server_event_queue_address; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 210 | u64 client_event_queue_address; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 211 | u16 port; |
| 212 | u8 is_ip4; |
| 213 | u8 ip[16]; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 214 | } __clib_packed session_accepted_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 215 | |
| 216 | typedef struct session_accepted_reply_msg_ |
| 217 | { |
| 218 | u32 context; |
| 219 | i32 retval; |
| 220 | u64 handle; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 221 | } __clib_packed session_accepted_reply_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 222 | |
| 223 | /* Make sure this is not too large, otherwise it won't fit when dequeued in |
| 224 | * the session queue node */ |
| 225 | STATIC_ASSERT (sizeof (session_accepted_reply_msg_t) <= 16, "accept reply"); |
| 226 | |
| 227 | typedef struct session_connected_msg_ |
| 228 | { |
| 229 | u32 context; |
| 230 | i32 retval; |
| 231 | u64 handle; |
| 232 | u64 server_rx_fifo; |
| 233 | u64 server_tx_fifo; |
| 234 | u64 vpp_event_queue_address; |
| 235 | u64 client_event_queue_address; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 236 | u64 server_event_queue_address; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 237 | u32 segment_size; |
| 238 | u8 segment_name_length; |
| 239 | u8 segment_name[64]; |
| 240 | u8 lcl_ip[16]; |
| 241 | u8 is_ip4; |
| 242 | u16 lcl_port; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 243 | } __clib_packed session_connected_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 244 | |
| 245 | typedef struct session_disconnected_msg_ |
| 246 | { |
| 247 | u32 client_index; |
| 248 | u32 context; |
| 249 | u64 handle; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 250 | } __clib_packed session_disconnected_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 251 | |
| 252 | typedef struct session_disconnected_reply_msg_ |
| 253 | { |
| 254 | u32 context; |
| 255 | i32 retval; |
| 256 | u64 handle; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 257 | } __clib_packed session_disconnected_reply_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 258 | |
| 259 | typedef struct session_reset_msg_ |
| 260 | { |
| 261 | u32 client_index; |
| 262 | u32 context; |
| 263 | u64 handle; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 264 | } __clib_packed session_reset_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 265 | |
| 266 | typedef struct session_reset_reply_msg_ |
| 267 | { |
| 268 | u32 client_index; |
| 269 | u32 context; |
| 270 | i32 retval; |
| 271 | u64 handle; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 272 | } __clib_packed session_reset_reply_msg_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 273 | |
| 274 | typedef struct app_session_event_ |
| 275 | { |
| 276 | svm_msg_q_msg_t msg; |
| 277 | session_event_t *evt; |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 278 | } __clib_packed app_session_evt_t; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 279 | |
| 280 | static inline void |
| 281 | app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt, |
| 282 | u8 evt_type) |
| 283 | { |
| 284 | svm_msg_q_lock_and_alloc_msg_w_ring (mq, |
| 285 | SESSION_MQ_CTRL_EVT_RING, |
| 286 | SVM_Q_WAIT, &app_evt->msg); |
| 287 | svm_msg_q_unlock (mq); |
| 288 | app_evt->evt = svm_msg_q_msg_data (mq, &app_evt->msg); |
| 289 | memset (app_evt->evt, 0, sizeof (*app_evt->evt)); |
| 290 | app_evt->evt->event_type = evt_type; |
| 291 | } |
| 292 | |
| 293 | static inline void |
| 294 | app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt) |
| 295 | { |
| 296 | svm_msg_q_add (mq, &app_evt->msg, SVM_Q_WAIT); |
| 297 | } |
| 298 | |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 299 | /** |
| 300 | * Send fifo io event to vpp worker thread |
| 301 | * |
| 302 | * Because there may be multiple writers to one of vpp's queues, this |
| 303 | * protects message allocation and enqueueing. |
| 304 | * |
| 305 | * @param mq vpp message queue |
| 306 | * @param f fifo for which the event is sent |
| 307 | * @param evt_type type of event |
| 308 | * @param noblock flag to indicate is request is blocking or not |
| 309 | * @return 0 if success, negative integer otherwise |
| 310 | */ |
| 311 | static inline int |
| 312 | app_send_io_evt_to_vpp (svm_msg_q_t * mq, svm_fifo_t * f, u8 evt_type, |
| 313 | u8 noblock) |
| 314 | { |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 315 | session_event_t *evt; |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 316 | svm_msg_q_msg_t msg; |
| 317 | |
| 318 | if (noblock) |
| 319 | { |
| 320 | if (svm_msg_q_try_lock (mq)) |
| 321 | return -1; |
| 322 | if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))) |
| 323 | { |
| 324 | svm_msg_q_unlock (mq); |
| 325 | return -2; |
| 326 | } |
| 327 | msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING); |
| 328 | if (PREDICT_FALSE (svm_msg_q_msg_is_invalid (&msg))) |
| 329 | { |
| 330 | svm_msg_q_unlock (mq); |
| 331 | return -2; |
| 332 | } |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 333 | evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 334 | evt->fifo = f; |
| 335 | evt->event_type = evt_type; |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 336 | svm_msg_q_add_and_unlock (mq, &msg); |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 337 | return 0; |
| 338 | } |
| 339 | else |
| 340 | { |
| 341 | svm_msg_q_lock (mq); |
Florin Coras | 54693d2 | 2018-07-17 10:46:29 -0700 | [diff] [blame] | 342 | while (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)) |
| 343 | svm_msg_q_wait (mq); |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 344 | msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING); |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 345 | evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 346 | evt->fifo = f; |
| 347 | evt->event_type = evt_type; |
| 348 | if (svm_msg_q_is_full (mq)) |
| 349 | svm_msg_q_wait (mq); |
Florin Coras | 52207f1 | 2018-07-12 14:48:06 -0700 | [diff] [blame] | 350 | svm_msg_q_add_and_unlock (mq, &msg); |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 351 | return 0; |
| 352 | } |
| 353 | } |
| 354 | |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 355 | always_inline int |
| 356 | app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at, |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 357 | svm_msg_q_t * vpp_evt_q, u8 * data, u32 len, u8 evt_type, |
| 358 | u8 noblock) |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 359 | { |
| 360 | u32 max_enqueue, actual_write; |
| 361 | session_dgram_hdr_t hdr; |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 362 | int rv; |
| 363 | |
| 364 | max_enqueue = svm_fifo_max_enqueue (f); |
Florin Coras | 8e43d04 | 2018-05-04 15:46:57 -0700 | [diff] [blame] | 365 | if (max_enqueue <= sizeof (session_dgram_hdr_t)) |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 366 | return 0; |
| 367 | |
| 368 | max_enqueue -= sizeof (session_dgram_hdr_t); |
| 369 | actual_write = clib_min (len, max_enqueue); |
| 370 | hdr.data_length = actual_write; |
| 371 | hdr.data_offset = 0; |
| 372 | clib_memcpy (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t)); |
| 373 | hdr.is_ip4 = at->is_ip4; |
| 374 | hdr.rmt_port = at->rmt_port; |
| 375 | clib_memcpy (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t)); |
| 376 | hdr.lcl_port = at->lcl_port; |
| 377 | rv = svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 378 | ASSERT (rv == sizeof (hdr)); |
| 379 | |
| 380 | if ((rv = svm_fifo_enqueue_nowait (f, actual_write, data)) > 0) |
| 381 | { |
| 382 | if (svm_fifo_set_event (f)) |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 383 | app_send_io_evt_to_vpp (vpp_evt_q, f, evt_type, noblock); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 384 | } |
Florin Coras | 8e43d04 | 2018-05-04 15:46:57 -0700 | [diff] [blame] | 385 | ASSERT (rv); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 386 | return rv; |
| 387 | } |
| 388 | |
| 389 | always_inline int |
| 390 | app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock) |
| 391 | { |
| 392 | return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data, |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 393 | len, FIFO_EVENT_APP_TX, noblock); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | always_inline int |
Florin Coras | 3c2fed5 | 2018-07-04 04:15:05 -0700 | [diff] [blame] | 397 | app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data, |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 398 | u32 len, u8 evt_type, u8 noblock) |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 399 | { |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 400 | int rv; |
| 401 | |
| 402 | if ((rv = svm_fifo_enqueue_nowait (f, len, data)) > 0) |
| 403 | { |
| 404 | if (svm_fifo_set_event (f)) |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 405 | app_send_io_evt_to_vpp (vpp_evt_q, f, evt_type, noblock); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 406 | } |
| 407 | return rv; |
| 408 | } |
| 409 | |
| 410 | always_inline int |
| 411 | app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock) |
| 412 | { |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 413 | return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len, |
| 414 | FIFO_EVENT_APP_TX, noblock); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | always_inline int |
| 418 | app_send (app_session_t * s, u8 * data, u32 len, u8 noblock) |
| 419 | { |
| 420 | if (s->is_dgram) |
| 421 | return app_send_dgram (s, data, len, noblock); |
| 422 | return app_send_stream (s, data, len, noblock); |
| 423 | } |
| 424 | |
| 425 | always_inline int |
| 426 | app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len, |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 427 | app_session_transport_t * at, u8 clear_evt, u8 peek) |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 428 | { |
| 429 | session_dgram_pre_hdr_t ph; |
| 430 | u32 max_deq; |
| 431 | int rv; |
| 432 | |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 433 | max_deq = svm_fifo_max_dequeue (f); |
| 434 | if (max_deq < sizeof (session_dgram_hdr_t)) |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 435 | { |
| 436 | if (clear_evt) |
| 437 | svm_fifo_unset_event (f); |
| 438 | return 0; |
| 439 | } |
| 440 | |
| 441 | if (clear_evt) |
| 442 | svm_fifo_unset_event (f); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 443 | |
| 444 | svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph); |
| 445 | ASSERT (ph.data_length >= ph.data_offset); |
| 446 | if (!ph.data_offset) |
| 447 | svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at); |
| 448 | len = clib_min (len, ph.data_length - ph.data_offset); |
| 449 | rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 450 | if (peek) |
| 451 | return rv; |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 452 | ph.data_offset += rv; |
| 453 | if (ph.data_offset == ph.data_length) |
| 454 | svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN); |
| 455 | else |
| 456 | svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph)); |
| 457 | return rv; |
| 458 | } |
| 459 | |
| 460 | always_inline int |
| 461 | app_recv_dgram (app_session_t * s, u8 * buf, u32 len) |
| 462 | { |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 463 | return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1, 0); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 464 | } |
| 465 | |
| 466 | always_inline int |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 467 | app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt, u8 peek) |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 468 | { |
| 469 | if (clear_evt) |
| 470 | svm_fifo_unset_event (f); |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 471 | |
| 472 | if (peek) |
| 473 | return svm_fifo_peek (f, 0, len, buf); |
| 474 | |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 475 | return svm_fifo_dequeue_nowait (f, len, buf); |
| 476 | } |
| 477 | |
| 478 | always_inline int |
| 479 | app_recv_stream (app_session_t * s, u8 * buf, u32 len) |
| 480 | { |
Florin Coras | 460dce6 | 2018-07-27 05:45:06 -0700 | [diff] [blame] | 481 | return app_recv_stream_raw (s->rx_fifo, buf, len, 1, 0); |
Florin Coras | 7fb0fe1 | 2018-04-09 09:24:52 -0700 | [diff] [blame] | 482 | } |
| 483 | |
| 484 | always_inline int |
| 485 | app_recv (app_session_t * s, u8 * data, u32 len) |
| 486 | { |
| 487 | if (s->is_dgram) |
| 488 | return app_recv_dgram (s, data, len); |
| 489 | return app_recv_stream (s, data, len); |
| 490 | } |
| 491 | |
Dave Barach | 68b0fb0 | 2017-02-28 15:15:56 -0500 | [diff] [blame] | 492 | #endif /* __included_uri_h__ */ |
| 493 | |
| 494 | /* |
| 495 | * fd.io coding-style-patch-verification: ON |
| 496 | * |
| 497 | * Local Variables: |
| 498 | * eval: (c-set-style "gnu") |
| 499 | * End: |
| 500 | */ |