Alexandre Lision | ddd731e | 2014-01-31 11:50:08 -0500 | [diff] [blame] | 1 | // Copyright (C) 1999-2005 Open Source Telecom Corporation. |
| 2 | // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| 3 | // |
| 4 | // This program is free software; you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation; either version 2 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program; if not, write to the Free Software |
| 16 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | // |
| 18 | // As a special exception, you may use this file as part of a free software |
| 19 | // library without restriction. Specifically, if other files instantiate |
| 20 | // templates or use macros or inline functions from this file, or you compile |
| 21 | // this file and link it with other files to produce an executable, this |
| 22 | // file does not by itself cause the resulting executable to be covered by |
| 23 | // the GNU General Public License. This exception does not however |
| 24 | // invalidate any other reasons why the executable file might be covered by |
| 25 | // the GNU General Public License. |
| 26 | // |
| 27 | // This exception applies only to the code released under the name GNU |
| 28 | // Common C++. If you copy code from other releases into a copy of GNU |
| 29 | // Common C++, as the General Public License permits, the exception does |
| 30 | // not apply to the code that you add in this way. To avoid misleading |
| 31 | // anyone as to the status of such modified files, you must delete |
| 32 | // this exception notice from them. |
| 33 | // |
| 34 | // If you write modifications of your own for GNU Common C++, it is your choice |
| 35 | // whether to permit this exception to apply to your modifications. |
| 36 | // If you do not wish that, delete this exception notice. |
| 37 | // |
| 38 | |
| 39 | #include <ucommon-config.h> |
| 40 | #include <commoncpp/config.h> |
| 41 | #include <commoncpp/export.h> |
| 42 | #include <commoncpp/string.h> |
| 43 | #include <commoncpp/socket.h> |
| 44 | #include <commoncpp/tcp.h> |
| 45 | |
| 46 | #include <iostream> |
| 47 | |
| 48 | #ifdef _MSWINDOWS_ |
| 49 | #include <io.h> |
| 50 | #define _IOLEN64 (unsigned) |
| 51 | #define _IORET64 (int) |
| 52 | typedef int socklen_t; |
| 53 | |
| 54 | #define socket_errno WSAGetLastError() |
| 55 | #else |
| 56 | #include <sys/ioctl.h> |
| 57 | #include <netinet/tcp.h> |
| 58 | #ifdef HAVE_NET_IP6_H |
| 59 | #include <netinet/ip6.h> |
| 60 | #endif |
| 61 | #define socket_errno errno |
| 62 | # ifndef O_NONBLOCK |
| 63 | # define O_NONBLOCK O_NDELAY |
| 64 | # endif |
| 65 | # ifdef IPPROTO_IP |
| 66 | # ifndef SOL_IP |
| 67 | # define SOL_IP IPPROTO_IP |
| 68 | # endif // !SOL_IP |
| 69 | # endif // IPPROTO_IP |
| 70 | #endif // !WIN32 |
| 71 | |
| 72 | #ifndef INADDR_LOOPBACK |
| 73 | #define INADDR_LOOPBACK (unsigned long)0x7f000001 |
| 74 | #endif |
| 75 | |
| 76 | #ifdef HAVE_NETINET_IN_H |
| 77 | #include <netinet/in.h> |
| 78 | #endif |
| 79 | |
| 80 | #if defined(__hpux) |
| 81 | #define _XOPEN_SOURCE_EXTENDED |
| 82 | #endif |
| 83 | |
| 84 | #ifdef HAVE_NET_IF_H |
| 85 | #include <net/if.h> |
| 86 | #endif |
| 87 | |
| 88 | #ifndef _IOLEN64 |
| 89 | #define _IOLEN64 |
| 90 | #endif |
| 91 | |
| 92 | #ifndef _IORET64 |
| 93 | #define _IORET64 |
| 94 | #endif |
| 95 | |
| 96 | using namespace COMMONCPP_NAMESPACE; |
| 97 | using namespace std; |
| 98 | |
| 99 | void TCPSocket::setSegmentSize(unsigned mss) |
| 100 | { |
| 101 | #ifdef TCP_MAXSEG |
| 102 | if(mss > 1) |
| 103 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 104 | #endif |
| 105 | segsize = mss; |
| 106 | } |
| 107 | |
| 108 | #ifdef HAVE_GETADDRINFO |
| 109 | TCPSocket::TCPSocket(const char *name, unsigned backlog, unsigned mss) : |
| 110 | Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) |
| 111 | { |
| 112 | char namebuf[128], *cp; |
| 113 | struct addrinfo hint, *list = NULL, *first; |
| 114 | snprintf(namebuf, sizeof(namebuf), "%s", name); |
| 115 | cp = strrchr(namebuf, '/'); |
| 116 | if(!cp) |
| 117 | cp = strrchr(namebuf, ':'); |
| 118 | |
| 119 | if(!cp) { |
| 120 | cp = namebuf; |
| 121 | name = NULL; |
| 122 | } |
| 123 | else { |
| 124 | name = namebuf; |
| 125 | *(cp++) = 0; |
| 126 | if(!strcmp(name, "*")) |
| 127 | name = NULL; |
| 128 | } |
| 129 | |
| 130 | memset(&hint, 0, sizeof(hint)); |
| 131 | hint.ai_family = AF_INET; |
| 132 | hint.ai_socktype = SOCK_STREAM; |
| 133 | hint.ai_protocol = IPPROTO_TCP; |
| 134 | hint.ai_flags = AI_PASSIVE; |
| 135 | |
| 136 | if(getaddrinfo(name, cp, &hint, &list) || !list) { |
| 137 | endSocket(); |
| 138 | error(errBindingFailed, (char *)"Could not find service", errno); |
| 139 | return; |
| 140 | } |
| 141 | |
| 142 | #if defined(SO_REUSEADDR) |
| 143 | int opt = 1; |
| 144 | setsockopt(so, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, |
| 145 | (socklen_t)sizeof(opt)); |
| 146 | #endif |
| 147 | |
| 148 | first = list; |
| 149 | while(list) { |
| 150 | if(!bind(so, list->ai_addr, (socklen_t)list->ai_addrlen)) { |
| 151 | state = BOUND; |
| 152 | break; |
| 153 | } |
| 154 | list = list->ai_next; |
| 155 | } |
| 156 | freeaddrinfo(first); |
| 157 | if(state != BOUND) { |
| 158 | endSocket(); |
| 159 | error(errBindingFailed,(char *)"Could not bind socket",socket_errno); |
| 160 | return; |
| 161 | } |
| 162 | |
| 163 | setSegmentSize(mss); |
| 164 | if(listen(so, backlog)) { |
| 165 | endSocket(); |
| 166 | error(errBindingFailed,(char *)"Could not listen on socket",socket_errno); |
| 167 | return; |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | #else |
| 172 | TCPSocket::TCPSocket(const char *name, unsigned backlog, unsigned mss) : |
| 173 | Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) |
| 174 | { |
| 175 | char namebuf[128], *cp; |
| 176 | struct sockaddr_in addr; |
| 177 | struct servent *svc; |
| 178 | |
| 179 | memset(&addr, 0, sizeof(addr)); |
| 180 | snprintf(namebuf, sizeof(namebuf), "%s", name); |
| 181 | cp = strrchr(namebuf, '/'); |
| 182 | if(!cp) |
| 183 | cp = strrchr(namebuf, ':'); |
| 184 | |
| 185 | if(!cp) { |
| 186 | cp = namebuf; |
| 187 | name = "*"; |
| 188 | } |
| 189 | else { |
| 190 | name = namebuf; |
| 191 | *(cp++) = 0; |
| 192 | } |
| 193 | |
| 194 | addr.sin_family = AF_INET; |
| 195 | if(isdigit(*cp)) |
| 196 | addr.sin_port = htons(atoi(cp)); |
| 197 | else { |
| 198 | mutex.enter(); |
| 199 | svc = getservbyname(cp, "tcp"); |
| 200 | if(svc) |
| 201 | addr.sin_port = svc->s_port; |
| 202 | mutex.leave(); |
| 203 | if(!svc) { |
| 204 | endSocket(); |
| 205 | error(errBindingFailed, "Could not find service", errno); |
| 206 | return; |
| 207 | |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | IPV4Address ia(name); |
| 212 | addr.sin_addr = getaddress(ia); |
| 213 | |
| 214 | #if defined(SO_REUSEADDR) |
| 215 | int opt = 1; |
| 216 | setsockopt(so, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, |
| 217 | (socklen_t)sizeof(opt)); |
| 218 | #endif |
| 219 | |
| 220 | if(bind(so, (struct sockaddr *)&addr, sizeof(addr))) { |
| 221 | endSocket(); |
| 222 | error(errBindingFailed,(char *)"Could not bind socket",socket_errno); |
| 223 | return; |
| 224 | } |
| 225 | |
| 226 | setSegmentSize(mss); |
| 227 | if(listen(so, backlog)) { |
| 228 | endSocket(); |
| 229 | error(errBindingFailed,(char *)"Could not listen on socket", |
| 230 | socket_errno); |
| 231 | return; |
| 232 | } |
| 233 | state = BOUND; |
| 234 | } |
| 235 | |
| 236 | #endif |
| 237 | |
| 238 | TCPSocket::TCPSocket(const IPV4Address &ia, tpport_t port, unsigned backlog, unsigned mss) : |
| 239 | Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) |
| 240 | { |
| 241 | struct sockaddr_in addr; |
| 242 | |
| 243 | memset(&addr, 0, sizeof(addr)); |
| 244 | addr.sin_family = AF_INET; |
| 245 | addr.sin_addr = getaddress(ia); |
| 246 | addr.sin_port = htons(port); |
| 247 | |
| 248 | #if defined(SO_REUSEADDR) |
| 249 | int opt = 1; |
| 250 | setsockopt(so, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, (socklen_t)sizeof(opt)); |
| 251 | #endif |
| 252 | if(bind(so, (struct sockaddr *)&addr, sizeof(addr))) { |
| 253 | endSocket(); |
| 254 | error(errBindingFailed,(char *)"Could not bind socket",socket_errno); |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | setSegmentSize(mss); |
| 259 | |
| 260 | if(listen(so, backlog)) { |
| 261 | endSocket(); |
| 262 | error(errBindingFailed,(char *)"Could not listen on socket",socket_errno); |
| 263 | return; |
| 264 | } |
| 265 | state = BOUND; |
| 266 | } |
| 267 | |
| 268 | bool TCPSocket::onAccept(const IPV4Host &ia, tpport_t port) |
| 269 | { |
| 270 | return true; |
| 271 | } |
| 272 | |
| 273 | TCPSocket::~TCPSocket() |
| 274 | { |
| 275 | endSocket(); |
| 276 | } |
| 277 | |
| 278 | #ifdef CCXX_IPV6 |
| 279 | |
| 280 | void TCPV6Socket::setSegmentSize(unsigned mss) |
| 281 | { |
| 282 | #ifdef TCP_MAXSEG |
| 283 | if(mss > 1) |
| 284 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 285 | #endif |
| 286 | segsize = mss; |
| 287 | } |
| 288 | |
| 289 | TCPV6Socket::TCPV6Socket(const char *name, unsigned backlog, unsigned mss) : |
| 290 | Socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP) |
| 291 | { |
| 292 | char namebuf[128], *cp; |
| 293 | struct addrinfo hint, *list = NULL, *first; |
| 294 | |
| 295 | snprintf(namebuf, sizeof(namebuf), "%s", name); |
| 296 | cp = strrchr(namebuf, '/'); |
| 297 | |
| 298 | if(!cp) { |
| 299 | cp = namebuf; |
| 300 | name = NULL; |
| 301 | } |
| 302 | else { |
| 303 | name = namebuf; |
| 304 | *(cp++) = 0; |
| 305 | if(!strcmp(name, "*")) |
| 306 | name = NULL; |
| 307 | } |
| 308 | |
| 309 | memset(&hint, 0, sizeof(hint)); |
| 310 | hint.ai_family = AF_INET6; |
| 311 | hint.ai_socktype = SOCK_STREAM; |
| 312 | hint.ai_protocol = IPPROTO_TCP; |
| 313 | hint.ai_flags = AI_PASSIVE; |
| 314 | |
| 315 | if(getaddrinfo(name, cp, &hint, &list) || !list) { |
| 316 | endSocket(); |
| 317 | error(errBindingFailed, (char *)"Could not find service", errno); |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | #if defined(SO_REUSEADDR) |
| 322 | int opt = 1; |
| 323 | setsockopt(so, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, |
| 324 | (socklen_t)sizeof(opt)); |
| 325 | #endif |
| 326 | |
| 327 | first = list; |
| 328 | while(list) { |
| 329 | if(!bind(so, list->ai_addr, (socklen_t)list->ai_addrlen)) { |
| 330 | state = BOUND; |
| 331 | break; |
| 332 | } |
| 333 | list = list->ai_next; |
| 334 | } |
| 335 | freeaddrinfo(first); |
| 336 | if(state != BOUND) { |
| 337 | endSocket(); |
| 338 | error(errBindingFailed,(char *)"Could not bind socket",socket_errno); |
| 339 | return; |
| 340 | } |
| 341 | |
| 342 | setSegmentSize(mss); |
| 343 | |
| 344 | if(listen(so, backlog)) { |
| 345 | endSocket(); |
| 346 | error(errBindingFailed,(char *)"Could not listen on socket",socket_errno); |
| 347 | return; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | TCPV6Socket::TCPV6Socket(const IPV6Address &ia, tpport_t port, unsigned backlog, unsigned mss) : |
| 352 | Socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP) |
| 353 | { |
| 354 | struct sockaddr_in6 addr; |
| 355 | |
| 356 | memset(&addr, 0, sizeof(addr)); |
| 357 | addr.sin6_family = AF_INET6; |
| 358 | addr.sin6_addr = getaddress(ia); |
| 359 | addr.sin6_port = htons(port); |
| 360 | |
| 361 | #if defined(SO_REUSEADDR) |
| 362 | int opt = 1; |
| 363 | setsockopt(so, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, (socklen_t)sizeof(opt)); |
| 364 | #endif |
| 365 | if(bind(so, (struct sockaddr *)&addr, sizeof(addr))) { |
| 366 | endSocket(); |
| 367 | error(errBindingFailed,(char *)"Could not bind socket",socket_errno); |
| 368 | return; |
| 369 | } |
| 370 | |
| 371 | setSegmentSize(mss); |
| 372 | |
| 373 | if(listen(so, backlog)) { |
| 374 | endSocket(); |
| 375 | error(errBindingFailed,(char *)"Could not listen on socket",socket_errno); |
| 376 | return; |
| 377 | } |
| 378 | state = BOUND; |
| 379 | } |
| 380 | |
| 381 | bool TCPV6Socket::onAccept(const IPV6Host &ia, tpport_t port) |
| 382 | { |
| 383 | return true; |
| 384 | } |
| 385 | |
| 386 | TCPV6Socket::~TCPV6Socket() |
| 387 | { |
| 388 | endSocket(); |
| 389 | } |
| 390 | |
| 391 | #endif |
| 392 | |
| 393 | void TCPSocket::reject(void) |
| 394 | { |
| 395 | SOCKET rej = accept(so, NULL, NULL); |
| 396 | ::shutdown(rej, 2); |
| 397 | release(rej); |
| 398 | } |
| 399 | |
| 400 | #ifdef CCXX_IPV6 |
| 401 | void TCPV6Socket::reject(void) |
| 402 | { |
| 403 | SOCKET rej = accept(so, NULL, NULL); |
| 404 | ::shutdown(rej, 2); |
| 405 | release(rej); |
| 406 | } |
| 407 | #endif |
| 408 | |
| 409 | TCPStream::TCPStream(TCPSocket &server, bool throwflag, timeout_t to) : |
| 410 | streambuf(), Socket(accept(server.getSocket(), NULL, NULL)), |
| 411 | #ifdef OLD_IOSTREAM |
| 412 | iostream() |
| 413 | #else |
| 414 | iostream((streambuf *)this) |
| 415 | #endif |
| 416 | ,bufsize(0) |
| 417 | ,gbuf(NULL) |
| 418 | ,pbuf(NULL) { |
| 419 | tpport_t port; |
| 420 | family = IPV4; |
| 421 | |
| 422 | #ifdef OLD_IOSTREAM |
| 423 | init((streambuf *)this); |
| 424 | #endif |
| 425 | |
| 426 | timeout = to; |
| 427 | setError(throwflag); |
| 428 | IPV4Host host = getPeer(&port); |
| 429 | if(!server.onAccept(host, port)) { |
| 430 | endSocket(); |
| 431 | error(errConnectRejected); |
| 432 | iostream::clear(ios::failbit | rdstate()); |
| 433 | return; |
| 434 | } |
| 435 | |
| 436 | segmentBuffering(server.getSegmentSize()); |
| 437 | Socket::state = CONNECTED; |
| 438 | } |
| 439 | |
| 440 | #ifdef CCXX_IPV6 |
| 441 | TCPStream::TCPStream(TCPV6Socket &server, bool throwflag, timeout_t to) : |
| 442 | streambuf(), Socket(accept(server.getSocket(), NULL, NULL)), |
| 443 | #ifdef OLD_IOSTREAM |
| 444 | iostream() |
| 445 | #else |
| 446 | iostream((streambuf *)this) |
| 447 | #endif |
| 448 | ,bufsize(0) |
| 449 | ,gbuf(NULL) |
| 450 | ,pbuf(NULL) { |
| 451 | tpport_t port; |
| 452 | |
| 453 | family = IPV6; |
| 454 | |
| 455 | #ifdef OLD_IOSTREAM |
| 456 | init((streambuf *)this); |
| 457 | #endif |
| 458 | |
| 459 | timeout = to; |
| 460 | setError(throwflag); |
| 461 | IPV6Host host = getIPV6Peer(&port); |
| 462 | if(!server.onAccept(host, port)) { |
| 463 | endSocket(); |
| 464 | error(errConnectRejected); |
| 465 | iostream::clear(ios::failbit | rdstate()); |
| 466 | return; |
| 467 | } |
| 468 | |
| 469 | segmentBuffering(server.getSegmentSize()); |
| 470 | Socket::state = CONNECTED; |
| 471 | } |
| 472 | #endif |
| 473 | |
| 474 | TCPStream::TCPStream(const IPV4Host &host, tpport_t port, unsigned size, bool throwflag, timeout_t to) : |
| 475 | streambuf(), Socket(AF_INET, SOCK_STREAM, IPPROTO_TCP), |
| 476 | #ifdef OLD_IOSTREAM |
| 477 | iostream(), |
| 478 | #else |
| 479 | iostream((streambuf *)this), |
| 480 | #endif |
| 481 | bufsize(0),gbuf(NULL),pbuf(NULL) { |
| 482 | #ifdef OLD_IOSTREAM |
| 483 | init((streambuf *)this); |
| 484 | #endif |
| 485 | family = IPV4; |
| 486 | timeout = to; |
| 487 | setError(throwflag); |
| 488 | connect(host, port, size); |
| 489 | } |
| 490 | |
| 491 | #ifdef CCXX_IPV6 |
| 492 | TCPStream::TCPStream(const IPV6Host &host, tpport_t port, unsigned size, bool throwflag, timeout_t to) : |
| 493 | streambuf(), Socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP), |
| 494 | #ifdef OLD_IOSTREAM |
| 495 | iostream(), |
| 496 | #else |
| 497 | iostream((streambuf *)this), |
| 498 | #endif |
| 499 | bufsize(0),gbuf(NULL),pbuf(NULL) { |
| 500 | family = IPV6; |
| 501 | |
| 502 | #ifdef OLD_IOSTREAM |
| 503 | init((streambuf *)this); |
| 504 | #endif |
| 505 | timeout = to; |
| 506 | setError(throwflag); |
| 507 | connect(host, port, size); |
| 508 | } |
| 509 | #endif |
| 510 | |
| 511 | TCPStream::~TCPStream() |
| 512 | { |
| 513 | #ifdef CCXX_EXCEPTIONS |
| 514 | try { endStream(); } |
| 515 | catch( ... ) { if ( ! std::uncaught_exception()) throw;}; |
| 516 | #else |
| 517 | endStream(); |
| 518 | #endif |
| 519 | } |
| 520 | |
| 521 | #ifdef HAVE_GETADDRINFO |
| 522 | |
| 523 | void TCPStream::connect(const char *target, unsigned mss) |
| 524 | { |
| 525 | char namebuf[128]; |
| 526 | char *cp; |
| 527 | struct addrinfo hint, *list = NULL, *next, *first; |
| 528 | bool connected = false; |
| 529 | |
| 530 | snprintf(namebuf, sizeof(namebuf), "%s", target); |
| 531 | cp = strrchr(namebuf, '/'); |
| 532 | if(!cp) |
| 533 | cp = strrchr(namebuf, ':'); |
| 534 | |
| 535 | if(!cp) { |
| 536 | endStream(); |
| 537 | connectError(); |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | *(cp++) = 0; |
| 542 | |
| 543 | memset(&hint, 0, sizeof(hint)); |
| 544 | hint.ai_family = family; |
| 545 | hint.ai_socktype = SOCK_STREAM; |
| 546 | hint.ai_protocol = IPPROTO_TCP; |
| 547 | |
| 548 | if(getaddrinfo(namebuf, cp, &hint, &list) || !list) { |
| 549 | endStream(); |
| 550 | connectError(); |
| 551 | return; |
| 552 | } |
| 553 | |
| 554 | first = list; |
| 555 | |
| 556 | #ifdef TCP_MAXSEG |
| 557 | if(mss) |
| 558 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 559 | #endif |
| 560 | |
| 561 | while(list) { |
| 562 | if(!::connect(so, list->ai_addr, (socklen_t)list->ai_addrlen)) { |
| 563 | connected = true; |
| 564 | break; |
| 565 | } |
| 566 | next = list->ai_next; |
| 567 | list = next; |
| 568 | } |
| 569 | |
| 570 | freeaddrinfo(first); |
| 571 | |
| 572 | if(!connected) { |
| 573 | endStream(); |
| 574 | connectError(); |
| 575 | return; |
| 576 | } |
| 577 | |
| 578 | segmentBuffering(mss); |
| 579 | Socket::state = CONNECTED; |
| 580 | } |
| 581 | |
| 582 | #else |
| 583 | void TCPStream::connect(const char *target, unsigned mss) |
| 584 | { |
| 585 | char namebuf[128]; |
| 586 | char *cp; |
| 587 | struct servent *svc; |
| 588 | tpport_t port; |
| 589 | |
| 590 | snprintf(namebuf, sizeof(namebuf), "%s", target); |
| 591 | cp = strrchr(namebuf, '/'); |
| 592 | if(!cp) |
| 593 | cp = strrchr(namebuf, ':'); |
| 594 | |
| 595 | if(!cp) { |
| 596 | endStream(); |
| 597 | connectError(); |
| 598 | return; |
| 599 | } |
| 600 | |
| 601 | *(cp++) = 0; |
| 602 | |
| 603 | if(isdigit(*cp)) |
| 604 | port = atoi(cp); |
| 605 | else { |
| 606 | mutex.enter(); |
| 607 | svc = getservbyname(cp, "tcp"); |
| 608 | if(svc) |
| 609 | port = ntohs(svc->s_port); |
| 610 | mutex.leave(); |
| 611 | if(!svc) { |
| 612 | endStream(); |
| 613 | connectError(); |
| 614 | return; |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | switch(family) { |
| 619 | case IPV4: |
| 620 | connect(IPV4Host(namebuf), port, mss); |
| 621 | break; |
| 622 | #ifdef CCXX_IPV6 |
| 623 | case IPV6: |
| 624 | connect(IPV6Host(namebuf), port, mss); |
| 625 | break; |
| 626 | #endif |
| 627 | default: |
| 628 | endStream(); |
| 629 | connectError(); |
| 630 | } |
| 631 | } |
| 632 | #endif |
| 633 | |
| 634 | void TCPStream::connect(const IPV4Host &host, tpport_t port, unsigned mss) |
| 635 | { |
| 636 | size_t i; |
| 637 | fd_set fds; |
| 638 | struct timeval to; |
| 639 | bool connected = false; |
| 640 | int rtn; |
| 641 | int sockopt; |
| 642 | socklen_t len = sizeof(sockopt); |
| 643 | |
| 644 | #ifdef TCP_MAXSEG |
| 645 | if(mss) |
| 646 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 647 | #endif |
| 648 | |
| 649 | for(i = 0 ; i < host.getAddressCount(); i++) { |
| 650 | struct sockaddr_in addr; |
| 651 | memset(&addr, 0, sizeof(addr)); |
| 652 | addr.sin_family = AF_INET; |
| 653 | addr.sin_addr = host.getAddress(i); |
| 654 | addr.sin_port = htons(port); |
| 655 | |
| 656 | if(timeout) |
| 657 | setCompletion(false); |
| 658 | |
| 659 | // Win32 will crash if you try to connect to INADDR_ANY. |
| 660 | if ( INADDR_ANY == addr.sin_addr.s_addr ) |
| 661 | addr.sin_addr.s_addr = INADDR_LOOPBACK; |
| 662 | rtn = ::connect(so, (struct sockaddr *)&addr, (socklen_t)sizeof(addr)); |
| 663 | if(!rtn) { |
| 664 | connected = true; |
| 665 | break; |
| 666 | } |
| 667 | |
| 668 | #ifndef _MSWINDOWS_ |
| 669 | if(errno == EINPROGRESS) |
| 670 | #else |
| 671 | if(WSAGetLastError() == WSAEINPROGRESS) |
| 672 | #endif |
| 673 | { |
| 674 | FD_ZERO(&fds); |
| 675 | FD_SET(so, &fds); |
| 676 | to.tv_sec = timeout / 1000; |
| 677 | to.tv_usec = timeout % 1000 * 1000; |
| 678 | |
| 679 | // timeout check for connect completion |
| 680 | |
| 681 | if(::select((int)so + 1, NULL, &fds, NULL, &to) < 1) |
| 682 | continue; |
| 683 | |
| 684 | getsockopt(so, SOL_SOCKET, SO_ERROR, (char *)&sockopt, &len); |
| 685 | if(!sockopt) { |
| 686 | connected = true; |
| 687 | break; |
| 688 | } |
| 689 | endSocket(); |
| 690 | so = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 691 | if(so == INVALID_SOCKET) |
| 692 | break; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | setCompletion(true); |
| 697 | if(!connected) { |
| 698 | rtn = errno; |
| 699 | endStream(); |
| 700 | errno = rtn; |
| 701 | connectError(); |
| 702 | return; |
| 703 | } |
| 704 | |
| 705 | segmentBuffering(mss); |
| 706 | Socket::state = CONNECTED; |
| 707 | } |
| 708 | |
| 709 | #ifdef CCXX_IPV6 |
| 710 | void TCPStream::connect(const IPV6Host &host, tpport_t port, unsigned mss) |
| 711 | { |
| 712 | size_t i; |
| 713 | fd_set fds; |
| 714 | struct timeval to; |
| 715 | bool connected = false; |
| 716 | int rtn; |
| 717 | int sockopt; |
| 718 | socklen_t len = sizeof(sockopt); |
| 719 | |
| 720 | #ifdef TCP_MAXSEG |
| 721 | if(mss) |
| 722 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 723 | #endif |
| 724 | |
| 725 | for(i = 0 ; i < host.getAddressCount(); i++) { |
| 726 | struct sockaddr_in6 addr; |
| 727 | memset(&addr, 0, sizeof(addr)); |
| 728 | addr.sin6_family = AF_INET6; |
| 729 | addr.sin6_addr = host.getAddress(i); |
| 730 | addr.sin6_port = htons(port); |
| 731 | |
| 732 | if(timeout) |
| 733 | setCompletion(false); |
| 734 | |
| 735 | // Win32 will crash if you try to connect to INADDR_ANY. |
| 736 | if ( !memcmp(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any))) |
| 737 | memcpy(&addr.sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)); |
| 738 | rtn = ::connect(so, (struct sockaddr *)&addr, (socklen_t)sizeof(addr)); |
| 739 | if(!rtn) { |
| 740 | connected = true; |
| 741 | break; |
| 742 | } |
| 743 | |
| 744 | #ifndef _MSWINDOWS_ |
| 745 | if(errno == EINPROGRESS) |
| 746 | #else |
| 747 | if(WSAGetLastError() == WSAEINPROGRESS) |
| 748 | #endif |
| 749 | { |
| 750 | FD_ZERO(&fds); |
| 751 | FD_SET(so, &fds); |
| 752 | to.tv_sec = timeout / 1000; |
| 753 | to.tv_usec = timeout % 1000 * 1000; |
| 754 | |
| 755 | // timeout check for connect completion |
| 756 | |
| 757 | if(::select((int)so + 1, NULL, &fds, NULL, &to) < 1) |
| 758 | continue; |
| 759 | |
| 760 | getsockopt(so, SOL_SOCKET, SO_ERROR, (char *)&sockopt, &len); |
| 761 | if(!sockopt) { |
| 762 | connected = true; |
| 763 | break; |
| 764 | } |
| 765 | endSocket(); |
| 766 | so = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); |
| 767 | if(so == INVALID_SOCKET) |
| 768 | break; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | setCompletion(true); |
| 773 | if(!connected) { |
| 774 | rtn = errno; |
| 775 | endStream(); |
| 776 | errno = rtn; |
| 777 | connectError(); |
| 778 | return; |
| 779 | } |
| 780 | |
| 781 | segmentBuffering(mss); |
| 782 | Socket::state = CONNECTED; |
| 783 | } |
| 784 | #endif |
| 785 | |
| 786 | TCPStream::TCPStream(const char *target, Family fam, unsigned mss, bool throwflag, timeout_t to) : |
| 787 | streambuf(), Socket(PF_INET, SOCK_STREAM, IPPROTO_TCP), |
| 788 | #ifdef OLD_IOSTREAM |
| 789 | iostream(), |
| 790 | #else |
| 791 | iostream((streambuf *)this), |
| 792 | #endif |
| 793 | timeout(to), bufsize(0),gbuf(NULL),pbuf(NULL) |
| 794 | { |
| 795 | family = fam; |
| 796 | #ifdef OLD_IOSTREAM |
| 797 | init((streambuf *)this); |
| 798 | #endif |
| 799 | setError(throwflag); |
| 800 | connect(target, mss); |
| 801 | } |
| 802 | |
| 803 | TCPStream::TCPStream(Family fam, bool throwflag, timeout_t to) : |
| 804 | streambuf(), Socket(PF_INET, SOCK_STREAM, IPPROTO_TCP), |
| 805 | #ifdef OLD_IOSTREAM |
| 806 | iostream(), |
| 807 | #else |
| 808 | iostream((streambuf *)this), |
| 809 | #endif |
| 810 | timeout(to), bufsize(0),gbuf(NULL),pbuf(NULL) |
| 811 | { |
| 812 | family = fam; |
| 813 | #ifdef OLD_IOSTREAM |
| 814 | init((streambuf *)this); |
| 815 | #endif |
| 816 | setError(throwflag); |
| 817 | } |
| 818 | |
| 819 | void TCPStream::connect(TCPSocket &tcpip) |
| 820 | { |
| 821 | tpport_t port; |
| 822 | |
| 823 | endStream(); |
| 824 | family = IPV4; |
| 825 | so = accept(tcpip.getSocket(), NULL, NULL); |
| 826 | if(so == INVALID_SOCKET) |
| 827 | return; |
| 828 | |
| 829 | IPV4Host host = getPeer(&port); |
| 830 | if(!tcpip.onAccept(host, port)) { |
| 831 | endSocket(); |
| 832 | iostream::clear(ios::failbit | rdstate()); |
| 833 | return; |
| 834 | } |
| 835 | |
| 836 | segmentBuffering(tcpip.getSegmentSize()); |
| 837 | Socket::state = CONNECTED; |
| 838 | } |
| 839 | |
| 840 | #ifdef CCXX_IPV6 |
| 841 | |
| 842 | void TCPStream::connect(TCPV6Socket &tcpip) |
| 843 | { |
| 844 | tpport_t port; |
| 845 | |
| 846 | endStream(); |
| 847 | family = IPV6; |
| 848 | so = accept(tcpip.getSocket(), NULL, NULL); |
| 849 | if(so == INVALID_SOCKET) |
| 850 | return; |
| 851 | |
| 852 | IPV6Host host = getIPV6Peer(&port); |
| 853 | if(!tcpip.onAccept(host, port)) { |
| 854 | endSocket(); |
| 855 | iostream::clear(ios::failbit | rdstate()); |
| 856 | return; |
| 857 | } |
| 858 | |
| 859 | segmentBuffering(tcpip.getSegmentSize()); |
| 860 | Socket::state = CONNECTED; |
| 861 | } |
| 862 | #endif |
| 863 | |
| 864 | void TCPStream::segmentBuffering(unsigned mss) |
| 865 | { |
| 866 | unsigned max = 0; |
| 867 | |
| 868 | if(mss == 1) { // special interactive |
| 869 | allocate(1); |
| 870 | return; |
| 871 | } |
| 872 | |
| 873 | #ifdef TCP_MAXSEG |
| 874 | socklen_t alen = sizeof(max); |
| 875 | |
| 876 | if(mss) |
| 877 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&max, sizeof(max)); |
| 878 | getsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&max, &alen); |
| 879 | #endif |
| 880 | |
| 881 | if(max && max < mss) |
| 882 | mss = max; |
| 883 | |
| 884 | if(!mss) { |
| 885 | if(max) |
| 886 | mss = max; |
| 887 | else |
| 888 | mss = 536; |
| 889 | allocate(mss); |
| 890 | return; |
| 891 | } |
| 892 | |
| 893 | #ifdef TCP_MAXSEG |
| 894 | setsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, sizeof(mss)); |
| 895 | #endif |
| 896 | |
| 897 | if(mss < 80) |
| 898 | mss = 80; |
| 899 | |
| 900 | if(mss * 7 < 64000) |
| 901 | bufferSize(mss * 7); |
| 902 | else if(mss * 6 < 64000) |
| 903 | bufferSize(mss * 6); |
| 904 | else |
| 905 | bufferSize(mss * 5); |
| 906 | |
| 907 | if(mss < 512) |
| 908 | sendLimit(mss * 4); |
| 909 | |
| 910 | allocate(mss); |
| 911 | } |
| 912 | |
| 913 | int TCPStream::getSegmentSize(void) |
| 914 | { |
| 915 | unsigned mss = 0; |
| 916 | #ifdef TCP_MAXSEG |
| 917 | socklen_t alen = sizeof(mss); |
| 918 | |
| 919 | getsockopt(so, IPPROTO_TCP, TCP_MAXSEG, (char *)&mss, &alen); |
| 920 | #endif |
| 921 | if(!mss) |
| 922 | return (int)bufsize; |
| 923 | |
| 924 | return mss; |
| 925 | } |
| 926 | |
| 927 | void TCPStream::disconnect(void) |
| 928 | { |
| 929 | if(Socket::state == AVAILABLE) |
| 930 | return; |
| 931 | |
| 932 | endStream(); |
| 933 | so = socket(family, SOCK_STREAM, IPPROTO_TCP); |
| 934 | if(so != INVALID_SOCKET) |
| 935 | Socket::state = AVAILABLE; |
| 936 | } |
| 937 | |
| 938 | void TCPStream::endStream(void) |
| 939 | { |
| 940 | if(bufsize) |
| 941 | sync(); |
| 942 | if(gbuf) |
| 943 | delete[] gbuf; |
| 944 | if(pbuf) |
| 945 | delete[] pbuf; |
| 946 | gbuf = pbuf = NULL; |
| 947 | bufsize = 0; |
| 948 | iostream::clear(); |
| 949 | endSocket(); |
| 950 | } |
| 951 | |
| 952 | void TCPStream::allocate(size_t size) |
| 953 | { |
| 954 | if(size < 2) { |
| 955 | bufsize = 1; |
| 956 | gbuf = pbuf = 0; |
| 957 | return; |
| 958 | } |
| 959 | |
| 960 | gbuf = new char[size]; |
| 961 | pbuf = new char[size]; |
| 962 | if(!pbuf || !gbuf) { |
| 963 | error(errResourceFailure, (char *)"Could not allocate socket stream buffers"); |
| 964 | return; |
| 965 | } |
| 966 | bufsize = size; |
| 967 | iostream::clear(); |
| 968 | |
| 969 | #if (defined(__GNUC__) && (__GNUC__ < 3)) && !defined(_MSWINDOWS_) && !defined(STLPORT) |
| 970 | setb(gbuf, gbuf + size, 0); |
| 971 | #endif |
| 972 | setg(gbuf, gbuf + size, gbuf + size); |
| 973 | setp(pbuf, pbuf + size); |
| 974 | } |
| 975 | |
| 976 | int TCPStream::doallocate() |
| 977 | { |
| 978 | if(bufsize) |
| 979 | return 0; |
| 980 | |
| 981 | allocate(1); |
| 982 | return 1; |
| 983 | } |
| 984 | |
| 985 | int TCPStream::uflow() |
| 986 | { |
| 987 | int ret = underflow(); |
| 988 | |
| 989 | if (ret == EOF) |
| 990 | return EOF; |
| 991 | |
| 992 | if (bufsize != 1) |
| 993 | gbump(1); |
| 994 | |
| 995 | return ret; |
| 996 | } |
| 997 | |
| 998 | int TCPStream::underflow() |
| 999 | { |
| 1000 | ssize_t rlen = 1; |
| 1001 | unsigned char ch; |
| 1002 | |
| 1003 | if(bufsize == 1) { |
| 1004 | if(Socket::state == STREAM) |
| 1005 | rlen = ::read((int)so, (char *)&ch, 1); |
| 1006 | else if(timeout && !Socket::isPending(pendingInput, timeout)) { |
| 1007 | iostream::clear(ios::failbit | rdstate()); |
| 1008 | error(errTimeout,(char *)"Socket read timed out",socket_errno); |
| 1009 | return EOF; |
| 1010 | } |
| 1011 | else |
| 1012 | rlen = readData(&ch, 1); |
| 1013 | if(rlen < 1) { |
| 1014 | if(rlen < 0) { |
| 1015 | iostream::clear(ios::failbit | rdstate()); |
| 1016 | error(errInput,(char *)"Could not read from socket",socket_errno); |
| 1017 | } |
| 1018 | return EOF; |
| 1019 | } |
| 1020 | return ch; |
| 1021 | } |
| 1022 | |
| 1023 | if(!gptr()) |
| 1024 | return EOF; |
| 1025 | |
| 1026 | if(gptr() < egptr()) |
| 1027 | return (unsigned char)*gptr(); |
| 1028 | |
| 1029 | rlen = (ssize_t)((gbuf + bufsize) - eback()); |
| 1030 | if(Socket::state == STREAM) |
| 1031 | rlen = ::read((int)so, (char *)eback(), _IOLEN64 rlen); |
| 1032 | else if(timeout && !Socket::isPending(pendingInput, timeout)) { |
| 1033 | iostream::clear(ios::failbit | rdstate()); |
| 1034 | error(errTimeout,(char *)"Socket read timed out",socket_errno); |
| 1035 | return EOF; |
| 1036 | } |
| 1037 | else |
| 1038 | rlen = readData(eback(), rlen); |
| 1039 | if(rlen < 1) { |
| 1040 | // clear(ios::failbit | rdstate()); |
| 1041 | if(rlen < 0) |
| 1042 | error(errNotConnected,(char *)"Connection error",socket_errno); |
| 1043 | else { |
| 1044 | error(errInput,(char *)"Could not read from socket",socket_errno); |
| 1045 | iostream::clear(ios::failbit | rdstate()); |
| 1046 | } |
| 1047 | return EOF; |
| 1048 | } |
| 1049 | error(errSuccess); |
| 1050 | |
| 1051 | setg(eback(), eback(), eback() + rlen); |
| 1052 | return (unsigned char) *gptr(); |
| 1053 | } |
| 1054 | |
| 1055 | bool TCPStream::isPending(Pending pending, timeout_t timer) |
| 1056 | { |
| 1057 | if(pending == pendingInput && in_avail()) |
| 1058 | return true; |
| 1059 | else if(pending == pendingOutput) |
| 1060 | flush(); |
| 1061 | |
| 1062 | return Socket::isPending(pending, timer); |
| 1063 | } |
| 1064 | |
| 1065 | int TCPStream::sync(void) |
| 1066 | { |
| 1067 | overflow(EOF); |
| 1068 | setg(gbuf, gbuf + bufsize, gbuf + bufsize); |
| 1069 | return 0; |
| 1070 | } |
| 1071 | |
| 1072 | size_t TCPStream::printf(const char *format, ...) |
| 1073 | { |
| 1074 | va_list args; |
| 1075 | size_t len; |
| 1076 | char *buf; |
| 1077 | |
| 1078 | va_start(args, format); |
| 1079 | overflow(EOF); |
| 1080 | len = pptr() - pbase(); |
| 1081 | buf = pptr(); |
| 1082 | vsnprintf(buf, len, format, args); |
| 1083 | va_end(args); |
| 1084 | len = strlen(buf); |
| 1085 | if(Socket::state == STREAM) |
| 1086 | return ::write((int)so, buf, _IOLEN64 len); |
| 1087 | else |
| 1088 | return writeData(buf, len); |
| 1089 | } |
| 1090 | |
| 1091 | int TCPStream::overflow(int c) |
| 1092 | { |
| 1093 | unsigned char ch; |
| 1094 | ssize_t rlen, req; |
| 1095 | |
| 1096 | if(bufsize == 1) { |
| 1097 | if(c == EOF) |
| 1098 | return 0; |
| 1099 | |
| 1100 | ch = (unsigned char)(c); |
| 1101 | if(Socket::state == STREAM) |
| 1102 | rlen = ::write((int)so, (const char *)&ch, 1); |
| 1103 | else |
| 1104 | rlen = writeData(&ch, 1); |
| 1105 | if(rlen < 1) { |
| 1106 | if(rlen < 0) { |
| 1107 | iostream::clear(ios::failbit | rdstate()); |
| 1108 | error(errOutput,(char *)"Could not write to socket",socket_errno); |
| 1109 | } |
| 1110 | return EOF; |
| 1111 | } |
| 1112 | else |
| 1113 | return c; |
| 1114 | } |
| 1115 | |
| 1116 | if(!pbase()) |
| 1117 | return EOF; |
| 1118 | |
| 1119 | req = (ssize_t)(pptr() - pbase()); |
| 1120 | if(req) { |
| 1121 | if(Socket::state == STREAM) |
| 1122 | rlen = ::write((int)so, (const char *)pbase(), req); |
| 1123 | else |
| 1124 | rlen = writeData(pbase(), req); |
| 1125 | if(rlen < 1) { |
| 1126 | if(rlen < 0) { |
| 1127 | iostream::clear(ios::failbit | rdstate()); |
| 1128 | error(errOutput,(char *)"Could not write to socket",socket_errno); |
| 1129 | } |
| 1130 | return EOF; |
| 1131 | } |
| 1132 | req -= rlen; |
| 1133 | } |
| 1134 | |
| 1135 | // if write "partial", rebuffer remainder |
| 1136 | |
| 1137 | if(req) |
| 1138 | // memmove(pbuf, pptr() + rlen, req); |
| 1139 | memmove(pbuf, pbuf + rlen, req); |
| 1140 | setp(pbuf, pbuf + bufsize); |
| 1141 | pbump(req); |
| 1142 | |
| 1143 | if(c != EOF) { |
| 1144 | *pptr() = (unsigned char)c; |
| 1145 | pbump(1); |
| 1146 | } |
| 1147 | return c; |
| 1148 | } |
| 1149 | |
| 1150 | TCPSession::TCPSession(const IPV4Host &ia, tpport_t port, size_t size, int pri, size_t stack) : |
| 1151 | Thread(pri, stack), TCPStream(IPV4) |
| 1152 | { |
| 1153 | setCompletion(false); |
| 1154 | setError(false); |
| 1155 | allocate(size); |
| 1156 | |
| 1157 | size_t i; |
| 1158 | for(i = 0 ; i < ia.getAddressCount(); i++) { |
| 1159 | struct sockaddr_in addr; |
| 1160 | memset(&addr, 0, sizeof(addr)); |
| 1161 | addr.sin_family = AF_INET; |
| 1162 | addr.sin_addr = ia.getAddress(i); |
| 1163 | addr.sin_port = htons(port); |
| 1164 | |
| 1165 | // Win32 will crash if you try to connect to INADDR_ANY. |
| 1166 | if ( INADDR_ANY == addr.sin_addr.s_addr ) |
| 1167 | addr.sin_addr.s_addr = INADDR_LOOPBACK; |
| 1168 | if(::connect(so, (struct sockaddr *)&addr, (socklen_t)sizeof(addr)) == 0) |
| 1169 | break; |
| 1170 | |
| 1171 | #ifdef _MSWINDOWS_ |
| 1172 | if(WSAGetLastError() == WSAEISCONN || WSAGetLastError() == WSAEWOULDBLOCK) |
| 1173 | #else |
| 1174 | if(errno == EINPROGRESS) |
| 1175 | #endif |
| 1176 | { |
| 1177 | Socket::state = CONNECTING; |
| 1178 | return; |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | if(i == ia.getAddressCount()) { |
| 1183 | endSocket(); |
| 1184 | Socket::state = INITIAL; |
| 1185 | return; |
| 1186 | } |
| 1187 | |
| 1188 | setCompletion(true); |
| 1189 | Socket::state = CONNECTED; |
| 1190 | } |
| 1191 | |
| 1192 | #ifdef CCXX_IPV6 |
| 1193 | TCPSession::TCPSession(const IPV6Host &ia, tpport_t port, size_t size, int pri, size_t stack) : |
| 1194 | Thread(pri, stack), TCPStream(IPV6) |
| 1195 | { |
| 1196 | setCompletion(false); |
| 1197 | setError(false); |
| 1198 | allocate(size); |
| 1199 | |
| 1200 | size_t i; |
| 1201 | for(i = 0 ; i < ia.getAddressCount(); i++) { |
| 1202 | struct sockaddr_in6 addr; |
| 1203 | memset(&addr, 0, sizeof(addr)); |
| 1204 | addr.sin6_family = AF_INET6; |
| 1205 | addr.sin6_addr = ia.getAddress(i); |
| 1206 | addr.sin6_port = htons(port); |
| 1207 | |
| 1208 | // Win32 will crash if you try to connect to INADDR_ANY. |
| 1209 | if(!memcmp(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any))) |
| 1210 | memcpy(&addr.sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)); |
| 1211 | if(::connect(so, (struct sockaddr *)&addr, (socklen_t)sizeof(addr)) == 0) |
| 1212 | break; |
| 1213 | |
| 1214 | #ifdef _MSWINDOWS_ |
| 1215 | // if(WSAGetLastError() == WSAEWOULDBLOCK) |
| 1216 | if(WSAGetLastError() == WSAEISCONN) |
| 1217 | #else |
| 1218 | if(errno == EINPROGRESS) |
| 1219 | #endif |
| 1220 | { |
| 1221 | Socket::state = CONNECTING; |
| 1222 | return; |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | if(i == ia.getAddressCount()) { |
| 1227 | endSocket(); |
| 1228 | Socket::state = INITIAL; |
| 1229 | return; |
| 1230 | } |
| 1231 | |
| 1232 | setCompletion(true); |
| 1233 | Socket::state = CONNECTED; |
| 1234 | } |
| 1235 | #endif |
| 1236 | |
| 1237 | TCPSession::TCPSession(TCPSocket &s, int pri, size_t stack) : |
| 1238 | Thread(pri, stack), TCPStream(s) |
| 1239 | { |
| 1240 | setCompletion(true); |
| 1241 | setError(false); |
| 1242 | } |
| 1243 | |
| 1244 | #ifdef CCXX_IPV6 |
| 1245 | TCPSession::TCPSession(TCPV6Socket &s, int pri, size_t stack) : |
| 1246 | Thread(pri, stack), TCPStream(s) |
| 1247 | { |
| 1248 | setCompletion(true); |
| 1249 | setError(false); |
| 1250 | } |
| 1251 | #endif |
| 1252 | |
| 1253 | TCPSession::~TCPSession() |
| 1254 | { |
| 1255 | endStream(); |
| 1256 | } |
| 1257 | |
| 1258 | int TCPSession::waitConnection(timeout_t timer) |
| 1259 | { |
| 1260 | int sockopt = 0; |
| 1261 | socklen_t len = sizeof(sockopt); |
| 1262 | |
| 1263 | switch(Socket::state) { |
| 1264 | case INITIAL: |
| 1265 | return -1; |
| 1266 | case CONNECTED: |
| 1267 | break; |
| 1268 | case CONNECTING: |
| 1269 | if(!Socket::isPending(pendingOutput, timer)) { |
| 1270 | endSocket(); |
| 1271 | Socket::state = INITIAL; |
| 1272 | return -1; |
| 1273 | } |
| 1274 | |
| 1275 | getsockopt(so, SOL_SOCKET, SO_ERROR, (char *)&sockopt, &len); |
| 1276 | if(sockopt) { |
| 1277 | endSocket(); |
| 1278 | Socket::state = INITIAL; |
| 1279 | return -1; |
| 1280 | } |
| 1281 | default: |
| 1282 | break; |
| 1283 | } |
| 1284 | Socket::state = CONNECTED; |
| 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | void TCPSession::initial(void) |
| 1289 | { |
| 1290 | if(waitConnection(60000)) |
| 1291 | exit(); |
| 1292 | } |
| 1293 | |
| 1294 | |