Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
Benny Prijono | 32177c0 | 2008-06-20 22:44:47 +0000 | [diff] [blame] | 3 | * Copyright (C)2003-2008 Benny Prijono <benny@prijono.org> |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pj/activesock.h> |
| 20 | #include <pj/assert.h> |
| 21 | #include <pj/errno.h> |
| 22 | #include <pj/pool.h> |
| 23 | #include <pj/sock.h> |
| 24 | #include <pj/string.h> |
| 25 | |
| 26 | #define PJ_ACTIVESOCK_MAX_LOOP 50 |
| 27 | |
| 28 | |
| 29 | enum read_type |
| 30 | { |
| 31 | TYPE_NONE, |
| 32 | TYPE_RECV, |
| 33 | TYPE_RECV_FROM |
| 34 | }; |
| 35 | |
| 36 | struct read_op |
| 37 | { |
| 38 | pj_ioqueue_op_key_t op_key; |
| 39 | pj_uint8_t *pkt; |
| 40 | unsigned max_size; |
| 41 | pj_size_t size; |
| 42 | pj_sockaddr src_addr; |
| 43 | int src_addr_len; |
| 44 | }; |
| 45 | |
| 46 | struct accept_op |
| 47 | { |
| 48 | pj_ioqueue_op_key_t op_key; |
| 49 | pj_sock_t new_sock; |
| 50 | pj_sockaddr rem_addr; |
| 51 | int rem_addr_len; |
| 52 | }; |
| 53 | |
| 54 | struct pj_activesock_t |
| 55 | { |
| 56 | pj_ioqueue_key_t *key; |
| 57 | pj_bool_t stream_oriented; |
| 58 | pj_ioqueue_t *ioqueue; |
| 59 | void *user_data; |
| 60 | unsigned async_count; |
| 61 | unsigned max_loop; |
| 62 | pj_activesock_cb cb; |
| 63 | |
| 64 | struct read_op *read_op; |
| 65 | pj_uint32_t read_flags; |
| 66 | enum read_type read_type; |
| 67 | |
| 68 | struct accept_op *accept_op; |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | static void ioqueue_on_read_complete(pj_ioqueue_key_t *key, |
| 73 | pj_ioqueue_op_key_t *op_key, |
| 74 | pj_ssize_t bytes_read); |
| 75 | static void ioqueue_on_write_complete(pj_ioqueue_key_t *key, |
| 76 | pj_ioqueue_op_key_t *op_key, |
| 77 | pj_ssize_t bytes_sent); |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 78 | #if PJ_HAS_TCP |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 79 | static void ioqueue_on_accept_complete(pj_ioqueue_key_t *key, |
| 80 | pj_ioqueue_op_key_t *op_key, |
| 81 | pj_sock_t sock, |
| 82 | pj_status_t status); |
| 83 | static void ioqueue_on_connect_complete(pj_ioqueue_key_t *key, |
| 84 | pj_status_t status); |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 85 | #endif |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 86 | |
| 87 | PJ_DEF(void) pj_activesock_cfg_default(pj_activesock_cfg *cfg) |
| 88 | { |
| 89 | pj_bzero(cfg, sizeof(*cfg)); |
| 90 | cfg->async_cnt = 1; |
| 91 | cfg->concurrency = -1; |
| 92 | } |
| 93 | |
| 94 | |
| 95 | PJ_DEF(pj_status_t) pj_activesock_create( pj_pool_t *pool, |
| 96 | pj_sock_t sock, |
| 97 | int sock_type, |
| 98 | const pj_activesock_cfg *opt, |
| 99 | pj_ioqueue_t *ioqueue, |
| 100 | const pj_activesock_cb *cb, |
Benny Prijono | ea8e436 | 2008-06-06 14:12:23 +0000 | [diff] [blame] | 101 | void *user_data, |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 102 | pj_activesock_t **p_asock) |
| 103 | { |
| 104 | pj_activesock_t *asock; |
| 105 | pj_ioqueue_callback ioq_cb; |
| 106 | pj_status_t status; |
| 107 | |
| 108 | PJ_ASSERT_RETURN(pool && ioqueue && cb && p_asock, PJ_EINVAL); |
| 109 | PJ_ASSERT_RETURN(sock!=0 && sock!=PJ_INVALID_SOCKET, PJ_EINVAL); |
| 110 | PJ_ASSERT_RETURN(sock_type==pj_SOCK_STREAM() || |
| 111 | sock_type==pj_SOCK_DGRAM(), PJ_EINVAL); |
| 112 | PJ_ASSERT_RETURN(!opt || opt->async_cnt >= 1, PJ_EINVAL); |
| 113 | |
| 114 | asock = PJ_POOL_ZALLOC_T(pool, pj_activesock_t); |
| 115 | asock->ioqueue = ioqueue; |
| 116 | asock->stream_oriented = (sock_type == pj_SOCK_STREAM()); |
| 117 | asock->async_count = (opt? opt->async_cnt : 1); |
| 118 | asock->max_loop = PJ_ACTIVESOCK_MAX_LOOP; |
Benny Prijono | ea8e436 | 2008-06-06 14:12:23 +0000 | [diff] [blame] | 119 | asock->user_data = user_data; |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 120 | pj_memcpy(&asock->cb, cb, sizeof(*cb)); |
| 121 | |
| 122 | pj_bzero(&ioq_cb, sizeof(ioq_cb)); |
| 123 | ioq_cb.on_read_complete = &ioqueue_on_read_complete; |
| 124 | ioq_cb.on_write_complete = &ioqueue_on_write_complete; |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 125 | #if PJ_HAS_TCP |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 126 | ioq_cb.on_connect_complete = &ioqueue_on_connect_complete; |
| 127 | ioq_cb.on_accept_complete = &ioqueue_on_accept_complete; |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 128 | #endif |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 129 | |
| 130 | status = pj_ioqueue_register_sock(pool, ioqueue, sock, asock, |
| 131 | &ioq_cb, &asock->key); |
| 132 | if (status != PJ_SUCCESS) { |
| 133 | pj_activesock_close(asock); |
| 134 | return status; |
| 135 | } |
| 136 | |
| 137 | if (opt && opt->concurrency >= 0) { |
| 138 | pj_ioqueue_set_concurrency(asock->key, opt->concurrency); |
| 139 | } |
| 140 | |
| 141 | *p_asock = asock; |
| 142 | return PJ_SUCCESS; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | PJ_DEF(pj_status_t) pj_activesock_create_udp( pj_pool_t *pool, |
| 147 | const pj_sockaddr *addr, |
| 148 | const pj_activesock_cfg *opt, |
| 149 | pj_ioqueue_t *ioqueue, |
| 150 | const pj_activesock_cb *cb, |
Benny Prijono | ea8e436 | 2008-06-06 14:12:23 +0000 | [diff] [blame] | 151 | void *user_data, |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 152 | pj_activesock_t **p_asock, |
| 153 | pj_sockaddr *bound_addr) |
| 154 | { |
| 155 | pj_sock_t sock_fd; |
| 156 | pj_sockaddr default_addr; |
| 157 | pj_status_t status; |
| 158 | |
| 159 | if (addr == NULL) { |
| 160 | pj_sockaddr_init(pj_AF_INET(), &default_addr, NULL, 0); |
| 161 | addr = &default_addr; |
| 162 | } |
| 163 | |
| 164 | status = pj_sock_socket(addr->addr.sa_family, pj_SOCK_DGRAM(), 0, |
| 165 | &sock_fd); |
| 166 | if (status != PJ_SUCCESS) { |
| 167 | return status; |
| 168 | } |
| 169 | |
| 170 | status = pj_sock_bind(sock_fd, addr, pj_sockaddr_get_len(addr)); |
| 171 | if (status != PJ_SUCCESS) { |
| 172 | pj_sock_close(sock_fd); |
| 173 | return status; |
| 174 | } |
| 175 | |
| 176 | status = pj_activesock_create(pool, sock_fd, pj_SOCK_DGRAM(), opt, |
Benny Prijono | ea8e436 | 2008-06-06 14:12:23 +0000 | [diff] [blame] | 177 | ioqueue, cb, user_data, p_asock); |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 178 | if (status != PJ_SUCCESS) { |
| 179 | pj_sock_close(sock_fd); |
| 180 | return status; |
| 181 | } |
| 182 | |
| 183 | if (bound_addr) { |
| 184 | int addr_len = sizeof(*bound_addr); |
| 185 | status = pj_sock_getsockname(sock_fd, bound_addr, &addr_len); |
| 186 | if (status != PJ_SUCCESS) { |
| 187 | pj_activesock_close(*p_asock); |
| 188 | return status; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | return PJ_SUCCESS; |
| 193 | } |
| 194 | |
| 195 | |
| 196 | PJ_DEF(pj_status_t) pj_activesock_close(pj_activesock_t *asock) |
| 197 | { |
| 198 | PJ_ASSERT_RETURN(asock, PJ_EINVAL); |
| 199 | if (asock->key) { |
| 200 | pj_ioqueue_unregister(asock->key); |
| 201 | asock->key = NULL; |
| 202 | } |
| 203 | return PJ_SUCCESS; |
| 204 | } |
| 205 | |
| 206 | |
| 207 | PJ_DEF(pj_status_t) pj_activesock_set_user_data( pj_activesock_t *asock, |
| 208 | void *user_data) |
| 209 | { |
| 210 | PJ_ASSERT_RETURN(asock, PJ_EINVAL); |
| 211 | asock->user_data = user_data; |
| 212 | return PJ_SUCCESS; |
| 213 | } |
| 214 | |
| 215 | |
| 216 | PJ_DEF(void*) pj_activesock_get_user_data(pj_activesock_t *asock) |
| 217 | { |
| 218 | PJ_ASSERT_RETURN(asock, NULL); |
| 219 | return asock->user_data; |
| 220 | } |
| 221 | |
| 222 | |
| 223 | PJ_DEF(pj_status_t) pj_activesock_start_read(pj_activesock_t *asock, |
| 224 | pj_pool_t *pool, |
| 225 | unsigned buff_size, |
| 226 | pj_uint32_t flags) |
| 227 | { |
| 228 | unsigned i; |
| 229 | pj_status_t status; |
| 230 | |
| 231 | PJ_ASSERT_RETURN(asock && pool && buff_size, PJ_EINVAL); |
| 232 | PJ_ASSERT_RETURN(asock->read_type == TYPE_NONE, PJ_EINVALIDOP); |
| 233 | PJ_ASSERT_RETURN(asock->read_op == NULL, PJ_EINVALIDOP); |
| 234 | |
| 235 | asock->read_op = (struct read_op*) |
| 236 | pj_pool_calloc(pool, asock->async_count, |
| 237 | sizeof(struct read_op)); |
| 238 | asock->read_type = TYPE_RECV; |
| 239 | asock->read_flags = flags; |
| 240 | |
| 241 | for (i=0; i<asock->async_count; ++i) { |
| 242 | struct read_op *r = &asock->read_op[i]; |
| 243 | pj_ssize_t size_to_read; |
| 244 | |
Benny Prijono | c67f885 | 2008-05-20 08:51:03 +0000 | [diff] [blame] | 245 | r->pkt = (pj_uint8_t*)pj_pool_alloc(pool, buff_size); |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 246 | r->max_size = size_to_read = buff_size; |
| 247 | |
| 248 | status = pj_ioqueue_recv(asock->key, &r->op_key, r->pkt, &size_to_read, |
| 249 | PJ_IOQUEUE_ALWAYS_ASYNC | flags); |
| 250 | PJ_ASSERT_RETURN(status != PJ_SUCCESS, PJ_EBUG); |
| 251 | |
| 252 | if (status != PJ_EPENDING) |
| 253 | return status; |
| 254 | } |
| 255 | |
| 256 | return PJ_SUCCESS; |
| 257 | } |
| 258 | |
| 259 | |
| 260 | PJ_DEF(pj_status_t) pj_activesock_start_recvfrom(pj_activesock_t *asock, |
| 261 | pj_pool_t *pool, |
| 262 | unsigned buff_size, |
| 263 | pj_uint32_t flags) |
| 264 | { |
| 265 | unsigned i; |
| 266 | pj_status_t status; |
| 267 | |
| 268 | PJ_ASSERT_RETURN(asock && pool && buff_size, PJ_EINVAL); |
| 269 | PJ_ASSERT_RETURN(asock->read_type == TYPE_NONE, PJ_EINVALIDOP); |
| 270 | |
| 271 | asock->read_op = (struct read_op*) |
| 272 | pj_pool_calloc(pool, asock->async_count, |
| 273 | sizeof(struct read_op)); |
| 274 | asock->read_type = TYPE_RECV_FROM; |
| 275 | asock->read_flags = flags; |
| 276 | |
| 277 | for (i=0; i<asock->async_count; ++i) { |
| 278 | struct read_op *r = &asock->read_op[i]; |
| 279 | pj_ssize_t size_to_read; |
| 280 | |
Benny Prijono | c67f885 | 2008-05-20 08:51:03 +0000 | [diff] [blame] | 281 | r->pkt = (pj_uint8_t*) pj_pool_alloc(pool, buff_size); |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 282 | r->max_size = size_to_read = buff_size; |
| 283 | r->src_addr_len = sizeof(r->src_addr); |
| 284 | |
| 285 | status = pj_ioqueue_recvfrom(asock->key, &r->op_key, r->pkt, |
| 286 | &size_to_read, |
| 287 | PJ_IOQUEUE_ALWAYS_ASYNC | flags, |
| 288 | &r->src_addr, &r->src_addr_len); |
| 289 | PJ_ASSERT_RETURN(status != PJ_SUCCESS, PJ_EBUG); |
| 290 | |
| 291 | if (status != PJ_EPENDING) |
| 292 | return status; |
| 293 | } |
| 294 | |
| 295 | return PJ_SUCCESS; |
| 296 | } |
| 297 | |
| 298 | |
| 299 | static void ioqueue_on_read_complete(pj_ioqueue_key_t *key, |
| 300 | pj_ioqueue_op_key_t *op_key, |
| 301 | pj_ssize_t bytes_read) |
| 302 | { |
| 303 | pj_activesock_t *asock; |
| 304 | struct read_op *r = (struct read_op*)op_key; |
| 305 | unsigned loop = 0; |
| 306 | pj_status_t status; |
| 307 | |
| 308 | asock = (pj_activesock_t*) pj_ioqueue_get_user_data(key); |
| 309 | |
| 310 | do { |
| 311 | unsigned flags; |
| 312 | |
| 313 | if (bytes_read > 0) { |
| 314 | /* |
| 315 | * We've got new data. |
| 316 | */ |
| 317 | pj_size_t remainder; |
| 318 | pj_bool_t ret; |
| 319 | |
| 320 | /* Append this new data to existing data. If socket is stream |
| 321 | * oriented, user might have left some data in the buffer. |
| 322 | * Otherwise if socket is datagram there will be nothing in |
| 323 | * existing packet hence the packet will contain only the new |
| 324 | * packet. |
| 325 | */ |
| 326 | r->size += bytes_read; |
| 327 | |
| 328 | /* Set default remainder to zero */ |
| 329 | remainder = 0; |
| 330 | |
| 331 | /* And return value to TRUE */ |
| 332 | ret = PJ_TRUE; |
| 333 | |
| 334 | /* Notify callback */ |
| 335 | if (asock->read_type == TYPE_RECV && asock->cb.on_data_read) { |
| 336 | ret = (*asock->cb.on_data_read)(asock, r->pkt, r->size, |
| 337 | PJ_SUCCESS, &remainder); |
| 338 | } else if (asock->read_type == TYPE_RECV_FROM && |
| 339 | asock->cb.on_data_recvfrom) |
| 340 | { |
| 341 | ret = (*asock->cb.on_data_recvfrom)(asock, r->pkt, r->size, |
| 342 | &r->src_addr, |
| 343 | r->src_addr_len, |
| 344 | PJ_SUCCESS); |
| 345 | } |
| 346 | |
| 347 | /* If callback returns false, we have been destroyed! */ |
| 348 | if (!ret) |
| 349 | return; |
| 350 | |
| 351 | /* Only stream oriented socket may leave data in the packet */ |
| 352 | if (asock->stream_oriented) { |
| 353 | r->size = remainder; |
| 354 | } else { |
| 355 | r->size = 0; |
| 356 | } |
| 357 | |
| 358 | } else if (bytes_read <= 0) { |
| 359 | |
| 360 | pj_size_t remainder; |
| 361 | pj_bool_t ret; |
| 362 | |
| 363 | if (bytes_read == 0) { |
| 364 | /* For stream/connection oriented socket, this means the |
| 365 | * connection has been closed. For datagram sockets, it means |
| 366 | * we've received datagram with zero length. |
| 367 | */ |
| 368 | if (asock->stream_oriented) |
| 369 | status = PJ_EEOF; |
| 370 | else |
| 371 | status = PJ_SUCCESS; |
| 372 | } else { |
| 373 | /* This means we've got an error. If this is stream/connection |
| 374 | * oriented, it means connection has been closed. For datagram |
| 375 | * sockets, it means we've got some error (e.g. EWOULDBLOCK). |
| 376 | */ |
| 377 | status = -bytes_read; |
| 378 | } |
| 379 | |
| 380 | /* Set default remainder to zero */ |
| 381 | remainder = 0; |
| 382 | |
| 383 | /* And return value to TRUE */ |
| 384 | ret = PJ_TRUE; |
| 385 | |
| 386 | /* Notify callback */ |
| 387 | if (asock->read_type == TYPE_RECV && asock->cb.on_data_read) { |
| 388 | /* For connection oriented socket, we still need to report |
| 389 | * the remainder data (if any) to the user to let user do |
| 390 | * processing with the remainder data before it closes the |
| 391 | * connection. |
| 392 | * If there is no remainder data, set the packet to NULL. |
| 393 | */ |
| 394 | ret = (*asock->cb.on_data_read)(asock, (r->size? r->pkt:NULL), |
| 395 | r->size, status, &remainder); |
| 396 | |
| 397 | } else if (asock->read_type == TYPE_RECV_FROM && |
| 398 | asock->cb.on_data_recvfrom) |
| 399 | { |
| 400 | /* This would always be datagram oriented hence there's |
| 401 | * nothing in the packet. We can't be sure if there will be |
| 402 | * anything useful in the source_addr, so just put NULL |
| 403 | * there too. |
| 404 | */ |
| 405 | ret = (*asock->cb.on_data_recvfrom)(asock, NULL, 0, |
| 406 | NULL, 0, status); |
| 407 | } |
| 408 | |
| 409 | /* If callback returns false, we have been destroyed! */ |
| 410 | if (!ret) |
| 411 | return; |
| 412 | |
| 413 | /* Only stream oriented socket may leave data in the packet */ |
| 414 | if (asock->stream_oriented) { |
| 415 | r->size = remainder; |
| 416 | } else { |
| 417 | r->size = 0; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | /* Read next data. We limit ourselves to processing max_loop immediate |
| 422 | * data, so when the loop counter has exceeded this value, force the |
| 423 | * read()/recvfrom() to return pending operation to allow the program |
| 424 | * to do other jobs. |
| 425 | */ |
| 426 | bytes_read = r->max_size - r->size; |
| 427 | flags = asock->read_flags; |
| 428 | if (++loop >= asock->max_loop) |
| 429 | flags |= PJ_IOQUEUE_ALWAYS_ASYNC; |
| 430 | |
| 431 | if (asock->read_type == TYPE_RECV) { |
| 432 | status = pj_ioqueue_recv(key, op_key, r->pkt + r->size, |
| 433 | &bytes_read, flags); |
| 434 | } else { |
| 435 | r->src_addr_len = sizeof(r->src_addr); |
| 436 | status = pj_ioqueue_recvfrom(key, op_key, r->pkt + r->size, |
| 437 | &bytes_read, flags, |
| 438 | &r->src_addr, &r->src_addr_len); |
| 439 | } |
| 440 | |
| 441 | } while (status != PJ_EPENDING && status != PJ_ECANCELLED); |
| 442 | |
| 443 | } |
| 444 | |
| 445 | |
| 446 | PJ_DEF(pj_status_t) pj_activesock_send( pj_activesock_t *asock, |
| 447 | pj_ioqueue_op_key_t *send_key, |
| 448 | const void *data, |
| 449 | pj_ssize_t *size, |
| 450 | unsigned flags) |
| 451 | { |
| 452 | PJ_ASSERT_RETURN(asock && send_key && data && size, PJ_EINVAL); |
| 453 | |
| 454 | return pj_ioqueue_send(asock->key, send_key, data, size, flags); |
| 455 | } |
| 456 | |
| 457 | |
| 458 | PJ_DEF(pj_status_t) pj_activesock_sendto( pj_activesock_t *asock, |
| 459 | pj_ioqueue_op_key_t *send_key, |
| 460 | const void *data, |
| 461 | pj_ssize_t *size, |
| 462 | unsigned flags, |
| 463 | const pj_sockaddr_t *addr, |
| 464 | int addr_len) |
| 465 | { |
| 466 | PJ_ASSERT_RETURN(asock && send_key && data && size && addr && addr_len, |
| 467 | PJ_EINVAL); |
| 468 | |
| 469 | return pj_ioqueue_sendto(asock->key, send_key, data, size, flags, |
| 470 | addr, addr_len); |
| 471 | } |
| 472 | |
| 473 | |
| 474 | static void ioqueue_on_write_complete(pj_ioqueue_key_t *key, |
| 475 | pj_ioqueue_op_key_t *op_key, |
| 476 | pj_ssize_t bytes_sent) |
| 477 | { |
| 478 | pj_activesock_t *asock; |
| 479 | |
| 480 | asock = (pj_activesock_t*) pj_ioqueue_get_user_data(key); |
| 481 | |
| 482 | if (asock->cb.on_data_sent) { |
| 483 | pj_bool_t ret; |
| 484 | |
| 485 | ret = (*asock->cb.on_data_sent)(asock, op_key, bytes_sent); |
| 486 | |
| 487 | /* If callback returns false, we have been destroyed! */ |
| 488 | if (!ret) |
| 489 | return; |
| 490 | } |
| 491 | } |
| 492 | |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 493 | #if PJ_HAS_TCP |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 494 | PJ_DEF(pj_status_t) pj_activesock_start_accept(pj_activesock_t *asock, |
| 495 | pj_pool_t *pool) |
| 496 | { |
| 497 | unsigned i; |
| 498 | |
| 499 | PJ_ASSERT_RETURN(asock, PJ_EINVAL); |
| 500 | PJ_ASSERT_RETURN(asock->accept_op==NULL, PJ_EINVALIDOP); |
| 501 | |
| 502 | asock->accept_op = (struct accept_op*) |
| 503 | pj_pool_calloc(pool, asock->async_count, |
| 504 | sizeof(struct accept_op)); |
| 505 | for (i=0; i<asock->async_count; ++i) { |
| 506 | struct accept_op *a = &asock->accept_op[i]; |
| 507 | pj_status_t status; |
| 508 | |
| 509 | do { |
| 510 | a->new_sock = PJ_INVALID_SOCKET; |
| 511 | a->rem_addr_len = sizeof(a->rem_addr); |
| 512 | |
| 513 | status = pj_ioqueue_accept(asock->key, &a->op_key, &a->new_sock, |
| 514 | NULL, &a->rem_addr, &a->rem_addr_len); |
| 515 | if (status == PJ_SUCCESS) { |
| 516 | /* We've got immediate connection. Not sure if it's a good |
| 517 | * idea to call the callback now (probably application will |
| 518 | * not be prepared to process it), so lets just silently |
| 519 | * close the socket. |
| 520 | */ |
| 521 | pj_sock_close(a->new_sock); |
| 522 | } |
| 523 | } while (status == PJ_SUCCESS); |
| 524 | |
| 525 | if (status != PJ_EPENDING) { |
| 526 | return status; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | return PJ_SUCCESS; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | static void ioqueue_on_accept_complete(pj_ioqueue_key_t *key, |
| 535 | pj_ioqueue_op_key_t *op_key, |
| 536 | pj_sock_t new_sock, |
| 537 | pj_status_t status) |
| 538 | { |
| 539 | pj_activesock_t *asock = (pj_activesock_t*) pj_ioqueue_get_user_data(key); |
| 540 | struct accept_op *accept_op = (struct accept_op*) op_key; |
| 541 | |
| 542 | do { |
| 543 | if (status==PJ_SUCCESS && asock->cb.on_accept_complete) { |
| 544 | pj_bool_t ret; |
| 545 | |
| 546 | /* Notify callback */ |
| 547 | ret = (*asock->cb.on_accept_complete)(asock, new_sock, |
| 548 | &accept_op->rem_addr, |
| 549 | accept_op->rem_addr_len); |
| 550 | |
| 551 | /* If callback returns false, we have been destroyed! */ |
| 552 | if (!ret) |
| 553 | return; |
| 554 | |
| 555 | } else if (status==PJ_SUCCESS) { |
| 556 | /* Application doesn't handle the new socket, we need to |
| 557 | * close it to avoid resource leak. |
| 558 | */ |
| 559 | pj_sock_close(accept_op->new_sock); |
| 560 | } |
| 561 | |
| 562 | /* Prepare next accept() */ |
| 563 | accept_op->new_sock = PJ_INVALID_SOCKET; |
| 564 | accept_op->rem_addr_len = sizeof(accept_op->rem_addr); |
| 565 | |
| 566 | status = pj_ioqueue_accept(asock->key, op_key, &accept_op->new_sock, |
| 567 | NULL, &accept_op->rem_addr, |
| 568 | &accept_op->rem_addr_len); |
| 569 | |
| 570 | } while (status != PJ_EPENDING && status != PJ_ECANCELLED); |
| 571 | } |
| 572 | |
| 573 | |
| 574 | PJ_DEF(pj_status_t) pj_activesock_start_connect( pj_activesock_t *asock, |
| 575 | pj_pool_t *pool, |
| 576 | const pj_sockaddr_t *remaddr, |
| 577 | int addr_len) |
| 578 | { |
| 579 | PJ_UNUSED_ARG(pool); |
| 580 | return pj_ioqueue_connect(asock->key, remaddr, addr_len); |
| 581 | } |
| 582 | |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 583 | static void ioqueue_on_connect_complete(pj_ioqueue_key_t *key, |
| 584 | pj_status_t status) |
| 585 | { |
| 586 | pj_activesock_t *asock = (pj_activesock_t*) pj_ioqueue_get_user_data(key); |
| 587 | |
| 588 | if (asock->cb.on_connect_complete) { |
| 589 | pj_bool_t ret; |
| 590 | |
| 591 | ret = (*asock->cb.on_connect_complete)(asock, status); |
| 592 | |
| 593 | if (!ret) { |
| 594 | /* We've been destroyed */ |
| 595 | return; |
| 596 | } |
| 597 | } |
| 598 | } |
Benny Prijono | 1dd5420 | 2008-07-25 10:45:34 +0000 | [diff] [blame^] | 599 | #endif /* PJ_HAS_TCP */ |
Benny Prijono | 4bac2c1 | 2008-05-11 18:12:16 +0000 | [diff] [blame] | 600 | |