Changeset e33bceb in mainline
- Timestamp:
- 2012-04-03T07:17:08Z (13 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 4794417
- Parents:
- 66a272f8
- Location:
- uspace/srv/udp
- Files:
-
- 3 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/srv/udp/Makefile
r66a272f8 re33bceb 36 36 sock.c \ 37 37 pdu.c \ 38 ucall.c \ 38 39 udp.c \ 39 40 udp_inet.c -
uspace/srv/udp/sock.c
r66a272f8 re33bceb 1 1 /* 2 * Copyright (c) 2008 Lukas Mejdrech 2 3 * Copyright (c) 2012 Jiri Svoboda 3 4 * All rights reserved. … … 35 36 */ 36 37 38 #include <async.h> 39 #include <byteorder.h> 37 40 #include <errno.h> 41 #include <inet/inet.h> 42 #include <io/log.h> 43 #include <ipc/services.h> 44 #include <ipc/socket.h> 45 #include <net/modules.h> 46 #include <net/socket.h> 47 #include <ns.h> 38 48 39 49 #include "sock.h" 50 #include "std.h" 51 #include "udp_type.h" 52 #include "ucall.h" 53 54 #define FRAGMENT_SIZE 1024 55 56 /** Free ports pool start. */ 57 #define UDP_FREE_PORTS_START 1025 58 59 /** Free ports pool end. */ 60 #define UDP_FREE_PORTS_END 65535 61 62 static int last_used_port = UDP_FREE_PORTS_START - 1; 63 static socket_ports_t gsock; 64 65 static void udp_sock_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg); 40 66 41 67 int udp_sock_init(void) 42 68 { 69 int rc; 70 71 socket_ports_initialize(&gsock); 72 73 async_set_client_connection(udp_sock_connection); 74 75 rc = service_register(SERVICE_UDP); 76 if (rc != EOK) 77 return EEXIST; 78 43 79 return EOK; 80 } 81 82 static void udp_free_sock_data(socket_core_t *sock_core) 83 { 84 udp_sockdata_t *socket; 85 86 socket = (udp_sockdata_t *)sock_core->specific_data; 87 (void)socket; 88 } 89 90 static void udp_sock_notify_data(socket_core_t *sock_core) 91 { 92 log_msg(LVL_DEBUG, "udp_sock_notify_data(%d)", sock_core->socket_id); 93 async_exch_t *exch = async_exchange_begin(sock_core->sess); 94 async_msg_5(exch, NET_SOCKET_RECEIVED, (sysarg_t)sock_core->socket_id, 95 FRAGMENT_SIZE, 0, 0, 1); 96 async_exchange_end(exch); 97 } 98 99 static void udp_sock_socket(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 100 { 101 udp_sockdata_t *sock; 102 socket_core_t *sock_core; 103 int sock_id; 104 int rc; 105 ipc_call_t answer; 106 107 log_msg(LVL_DEBUG, "udp_sock_socket()"); 108 sock = calloc(sizeof(udp_sockdata_t), 1); 109 if (sock == NULL) { 110 async_answer_0(callid, ENOMEM); 111 return; 112 } 113 114 fibril_mutex_initialize(&sock->lock); 115 sock->client = client; 116 sock->laddr.ipv4 = UDP_IPV4_ANY; 117 118 rc = udp_uc_create(&sock->assoc); 119 if (rc != EOK) { 120 udp_uc_destroy(sock->assoc); 121 free(sock); 122 async_answer_0(callid, rc); 123 return; 124 } 125 126 sock_id = SOCKET_GET_SOCKET_ID(call); 127 rc = socket_create(&client->sockets, client->sess, sock, &sock_id); 128 if (rc != EOK) { 129 async_answer_0(callid, rc); 130 return; 131 } 132 133 sock_core = socket_cores_find(&client->sockets, sock_id); 134 assert(sock_core != NULL); 135 sock->sock_core = sock_core; 136 137 138 refresh_answer(&answer, NULL); 139 SOCKET_SET_SOCKET_ID(answer, sock_id); 140 141 SOCKET_SET_DATA_FRAGMENT_SIZE(answer, FRAGMENT_SIZE); 142 SOCKET_SET_HEADER_SIZE(answer, sizeof(udp_header_t)); 143 answer_call(callid, EOK, &answer, 3); 144 } 145 146 static void udp_sock_bind(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 147 { 148 int rc; 149 struct sockaddr_in *addr; 150 size_t addr_size; 151 socket_core_t *sock_core; 152 udp_sockdata_t *socket; 153 udp_sock_t fsock; 154 udp_error_t urc; 155 156 log_msg(LVL_DEBUG, "udp_sock_bind()"); 157 log_msg(LVL_DEBUG, " - async_data_write_accept"); 158 159 addr = NULL; 160 161 rc = async_data_write_accept((void **) &addr, false, 0, 0, 0, &addr_size); 162 if (rc != EOK) { 163 async_answer_0(callid, rc); 164 goto out; 165 } 166 167 log_msg(LVL_DEBUG, " - call socket_bind"); 168 rc = socket_bind(&client->sockets, &gsock, SOCKET_GET_SOCKET_ID(call), 169 addr, addr_size, UDP_FREE_PORTS_START, UDP_FREE_PORTS_END, 170 last_used_port); 171 if (rc != EOK) { 172 async_answer_0(callid, rc); 173 goto out; 174 } 175 176 if (addr_size != sizeof(struct sockaddr_in)) { 177 async_answer_0(callid, EINVAL); 178 goto out; 179 } 180 181 log_msg(LVL_DEBUG, " - call socket_cores_find"); 182 sock_core = socket_cores_find(&client->sockets, SOCKET_GET_SOCKET_ID(call)); 183 if (sock_core == NULL) { 184 async_answer_0(callid, ENOENT); 185 goto out; 186 } 187 188 socket = (udp_sockdata_t *)sock_core->specific_data; 189 190 fsock.addr.ipv4 = uint32_t_be2host(addr->sin_addr.s_addr); 191 fsock.port = uint16_t_be2host(sock_core->port); 192 urc = udp_uc_set_local(socket->assoc, &fsock); 193 194 switch (urc) { 195 case UDP_EOK: 196 rc = EOK; 197 break; 198 /* case TCP_ENOTEXIST: 199 rc = ENOTCONN; 200 break; 201 case TCP_ECLOSING: 202 rc = ENOTCONN; 203 break; 204 case TCP_ERESET: 205 rc = ECONNABORTED; 206 break;*/ 207 default: 208 assert(false); 209 } 210 211 log_msg(LVL_DEBUG, " - success"); 212 async_answer_0(callid, rc); 213 out: 214 if (addr != NULL) 215 free(addr); 216 } 217 218 static void udp_sock_listen(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 219 { 220 log_msg(LVL_DEBUG, "udp_sock_listen()"); 221 async_answer_0(callid, ENOTSUP); 222 } 223 224 static void udp_sock_connect(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 225 { 226 log_msg(LVL_DEBUG, "udp_sock_connect()"); 227 async_answer_0(callid, ENOTSUP); 228 } 229 230 static void udp_sock_accept(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 231 { 232 log_msg(LVL_DEBUG, "udp_sock_accept()"); 233 async_answer_0(callid, ENOTSUP); 234 } 235 236 static void udp_sock_sendto(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 237 { 238 int socket_id; 239 int fragments; 240 int index; 241 struct sockaddr_in *addr; 242 size_t addr_size; 243 socket_core_t *sock_core; 244 udp_sockdata_t *socket; 245 udp_sock_t fsock, *fsockp; 246 ipc_call_t answer; 247 ipc_callid_t wcallid; 248 size_t length; 249 uint8_t buffer[FRAGMENT_SIZE]; 250 udp_error_t urc; 251 int rc; 252 253 log_msg(LVL_DEBUG, "udp_sock_send()"); 254 255 addr = NULL; 256 257 if (IPC_GET_IMETHOD(call) == NET_SOCKET_SENDTO) { 258 rc = async_data_write_accept((void **) &addr, false, 259 0, 0, 0, &addr_size); 260 if (rc != EOK) { 261 async_answer_0(callid, rc); 262 goto out; 263 } 264 265 if (addr_size != sizeof(struct sockaddr_in)) { 266 async_answer_0(callid, EINVAL); 267 goto out; 268 } 269 270 fsock.addr.ipv4 = uint32_t_be2host(addr->sin_addr.s_addr); 271 fsock.port = uint16_t_be2host(addr->sin_port); 272 fsockp = &fsock; 273 } else { 274 fsockp = NULL; 275 } 276 277 socket_id = SOCKET_GET_SOCKET_ID(call); 278 fragments = SOCKET_GET_DATA_FRAGMENTS(call); 279 SOCKET_GET_FLAGS(call); 280 281 sock_core = socket_cores_find(&client->sockets, socket_id); 282 if (sock_core == NULL) { 283 async_answer_0(callid, ENOTSOCK); 284 goto out; 285 } 286 287 if (sock_core->port == 0) { 288 /* Implicitly bind socket */ 289 rc = socket_bind(&client->sockets, &gsock, SOCKET_GET_SOCKET_ID(call), 290 addr, addr_size, UDP_FREE_PORTS_START, UDP_FREE_PORTS_END, 291 last_used_port); 292 if (rc != EOK) { 293 async_answer_0(callid, rc); 294 goto out; 295 } 296 } 297 298 socket = (udp_sockdata_t *)sock_core->specific_data; 299 fibril_mutex_lock(&socket->lock); 300 301 assert(socket->assoc != NULL); 302 303 for (index = 0; index < fragments; index++) { 304 if (!async_data_write_receive(&wcallid, &length)) { 305 fibril_mutex_unlock(&socket->lock); 306 async_answer_0(callid, EINVAL); 307 goto out; 308 } 309 310 if (length > FRAGMENT_SIZE) 311 length = FRAGMENT_SIZE; 312 313 rc = async_data_write_finalize(wcallid, buffer, length); 314 if (rc != EOK) { 315 fibril_mutex_unlock(&socket->lock); 316 async_answer_0(callid, rc); 317 goto out; 318 } 319 320 urc = udp_uc_send(socket->assoc, fsockp, buffer, length, 0); 321 322 switch (urc) { 323 case UDP_EOK: 324 rc = EOK; 325 break; 326 /* case TCP_ENOTEXIST: 327 rc = ENOTCONN; 328 break; 329 case TCP_ECLOSING: 330 rc = ENOTCONN; 331 break; 332 case TCP_ERESET: 333 rc = ECONNABORTED; 334 break;*/ 335 default: 336 assert(false); 337 } 338 339 if (rc != EOK) { 340 fibril_mutex_unlock(&socket->lock); 341 async_answer_0(callid, rc); 342 goto out; 343 } 344 } 345 346 refresh_answer(&answer, NULL); 347 SOCKET_SET_DATA_FRAGMENT_SIZE(answer, FRAGMENT_SIZE); 348 answer_call(callid, EOK, &answer, 2); 349 fibril_mutex_unlock(&socket->lock); 350 out: 351 if (addr != NULL) 352 free(addr); 353 } 354 355 static void udp_sock_recvfrom(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 356 { 357 int socket_id; 358 int flags; 359 size_t addr_length, length; 360 socket_core_t *sock_core; 361 udp_sockdata_t *socket; 362 ipc_call_t answer; 363 ipc_callid_t rcallid; 364 uint8_t buffer[FRAGMENT_SIZE]; 365 size_t data_len; 366 xflags_t xflags; 367 udp_error_t urc; 368 struct sockaddr_in addr; 369 udp_sock_t rsock; 370 int rc; 371 372 log_msg(LVL_DEBUG, "%p: udp_sock_recv[from]()", client); 373 374 socket_id = SOCKET_GET_SOCKET_ID(call); 375 flags = SOCKET_GET_FLAGS(call); 376 377 sock_core = socket_cores_find(&client->sockets, socket_id); 378 if (sock_core == NULL) { 379 async_answer_0(callid, ENOTSOCK); 380 return; 381 } 382 383 socket = (udp_sockdata_t *)sock_core->specific_data; 384 fibril_mutex_lock(&socket->lock); 385 386 if (socket->assoc == NULL) { 387 fibril_mutex_unlock(&socket->lock); 388 async_answer_0(callid, ENOTCONN); 389 return; 390 } 391 392 (void)flags; 393 394 urc = udp_uc_receive(socket->assoc, buffer, FRAGMENT_SIZE, &data_len, 395 &xflags, &rsock); 396 log_msg(LVL_DEBUG, "**** udp_uc_receive done"); 397 398 switch (urc) { 399 case UDP_EOK: 400 rc = EOK; 401 break; 402 /* case TCP_ENOTEXIST: 403 case TCP_ECLOSING: 404 rc = ENOTCONN; 405 break; 406 case TCP_ERESET: 407 rc = ECONNABORTED; 408 break;*/ 409 default: 410 assert(false); 411 } 412 413 log_msg(LVL_DEBUG, "**** udp_uc_receive -> %d", rc); 414 if (rc != EOK) { 415 fibril_mutex_unlock(&socket->lock); 416 async_answer_0(callid, rc); 417 return; 418 } 419 420 if (IPC_GET_IMETHOD(call) == NET_SOCKET_RECVFROM) { 421 /* Fill addr */ 422 addr.sin_family = AF_INET; 423 addr.sin_addr.s_addr = host2uint32_t_be(rsock.addr.ipv4); 424 addr.sin_port = host2uint16_t_be(rsock.port); 425 426 log_msg(LVL_DEBUG, "addr read receive"); 427 if (!async_data_read_receive(&rcallid, &addr_length)) { 428 fibril_mutex_unlock(&socket->lock); 429 async_answer_0(callid, EINVAL); 430 return; 431 } 432 433 if (addr_length > sizeof(addr)) 434 addr_length = sizeof(addr); 435 436 log_msg(LVL_DEBUG, "addr read finalize"); 437 rc = async_data_read_finalize(rcallid, &addr, addr_length); 438 if (rc != EOK) { 439 fibril_mutex_unlock(&socket->lock); 440 async_answer_0(callid, EINVAL); 441 return; 442 } 443 } 444 445 log_msg(LVL_DEBUG, "data read receive"); 446 if (!async_data_read_receive(&rcallid, &length)) { 447 fibril_mutex_unlock(&socket->lock); 448 async_answer_0(callid, EINVAL); 449 return; 450 } 451 452 if (length > data_len) 453 length = data_len; 454 455 log_msg(LVL_DEBUG, "data read finalize"); 456 rc = async_data_read_finalize(rcallid, buffer, length); 457 458 if (length < data_len && rc == EOK) 459 rc = EOVERFLOW; 460 461 SOCKET_SET_READ_DATA_LENGTH(answer, length); 462 answer_call(callid, EOK, &answer, 1); 463 464 /* Push one fragment notification to client's queue */ 465 udp_sock_notify_data(sock_core); 466 fibril_mutex_unlock(&socket->lock); 467 } 468 469 static void udp_sock_close(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 470 { 471 int socket_id; 472 socket_core_t *sock_core; 473 udp_sockdata_t *socket; 474 int rc; 475 476 log_msg(LVL_DEBUG, "tcp_sock_close()"); 477 socket_id = SOCKET_GET_SOCKET_ID(call); 478 479 sock_core = socket_cores_find(&client->sockets, socket_id); 480 if (sock_core == NULL) { 481 async_answer_0(callid, ENOTSOCK); 482 return; 483 } 484 485 socket = (udp_sockdata_t *)sock_core->specific_data; 486 fibril_mutex_lock(&socket->lock); 487 488 assert(socket->assoc != NULL); 489 udp_uc_destroy(socket->assoc); 490 491 rc = socket_destroy(NULL, socket_id, &client->sockets, &gsock, 492 udp_free_sock_data); 493 if (rc != EOK) { 494 fibril_mutex_unlock(&socket->lock); 495 async_answer_0(callid, rc); 496 return; 497 } 498 499 fibril_mutex_unlock(&socket->lock); 500 async_answer_0(callid, EOK); 501 } 502 503 static void udp_sock_getsockopt(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 504 { 505 log_msg(LVL_DEBUG, "udp_sock_getsockopt()"); 506 async_answer_0(callid, ENOTSUP); 507 } 508 509 static void udp_sock_setsockopt(udp_client_t *client, ipc_callid_t callid, ipc_call_t call) 510 { 511 log_msg(LVL_DEBUG, "udp_sock_setsockopt()"); 512 async_answer_0(callid, ENOTSUP); 513 } 514 515 static void udp_sock_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg) 516 { 517 ipc_callid_t callid; 518 ipc_call_t call; 519 udp_client_t client; 520 521 /* Accept the connection */ 522 async_answer_0(iid, EOK); 523 524 client.sess = async_callback_receive(EXCHANGE_SERIALIZE); 525 socket_cores_initialize(&client.sockets); 526 527 while (true) { 528 callid = async_get_call(&call); 529 if (!IPC_GET_IMETHOD(call)) 530 break; 531 532 log_msg(LVL_DEBUG, "udp_sock_connection: METHOD=%d\n", 533 (int)IPC_GET_IMETHOD(call)); 534 535 switch (IPC_GET_IMETHOD(call)) { 536 case NET_SOCKET: 537 udp_sock_socket(&client, callid, call); 538 break; 539 case NET_SOCKET_BIND: 540 udp_sock_bind(&client, callid, call); 541 break; 542 case NET_SOCKET_LISTEN: 543 udp_sock_listen(&client, callid, call); 544 break; 545 case NET_SOCKET_CONNECT: 546 udp_sock_connect(&client, callid, call); 547 break; 548 case NET_SOCKET_ACCEPT: 549 udp_sock_accept(&client, callid, call); 550 break; 551 case NET_SOCKET_SEND: 552 case NET_SOCKET_SENDTO: 553 udp_sock_sendto(&client, callid, call); 554 break; 555 case NET_SOCKET_RECV: 556 case NET_SOCKET_RECVFROM: 557 udp_sock_recvfrom(&client, callid, call); 558 break; 559 case NET_SOCKET_CLOSE: 560 udp_sock_close(&client, callid, call); 561 break; 562 case NET_SOCKET_GETSOCKOPT: 563 udp_sock_getsockopt(&client, callid, call); 564 break; 565 case NET_SOCKET_SETSOCKOPT: 566 udp_sock_setsockopt(&client, callid, call); 567 break; 568 default: 569 async_answer_0(callid, ENOTSUP); 570 break; 571 } 572 } 44 573 } 45 574 -
uspace/srv/udp/udp_type.h
r66a272f8 re33bceb 36 36 #define UDP_TYPE_H 37 37 38 #include <fibril_synch.h> 38 39 #include <socket_core.h> 39 40 #include <sys/types.h> 41 42 typedef enum { 43 UDP_EOK 44 } udp_error_t; 45 46 typedef enum { 47 XF_DUMMY = 0x1 48 } xflags_t; 40 49 41 50 typedef struct { 42 51 uint32_t ipv4; 43 52 } netaddr_t; 53 54 enum netaddr { 55 UDP_IPV4_ANY = 0 56 }; 44 57 45 58 typedef struct { … … 74 87 } udp_pdu_t; 75 88 89 typedef struct { 90 async_sess_t *sess; 91 socket_cores_t sockets; 92 } udp_client_t; 93 94 typedef struct { 95 char *name; 96 udp_sockpair_t ident; 97 } udp_assoc_t; 98 99 typedef struct { 100 } udp_assoc_status_t; 101 102 typedef struct udp_sockdata { 103 /** Lock */ 104 fibril_mutex_t lock; 105 /** Socket core */ 106 socket_core_t *sock_core; 107 /** Client */ 108 udp_client_t *client; 109 /** Connection */ 110 udp_assoc_t *assoc; 111 /** Local address */ 112 netaddr_t laddr; 113 } udp_sockdata_t; 114 76 115 #endif 77 116
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