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 | /** |
| 40 | * @file commoncpp/socket.h |
| 41 | * @short socket operations. |
| 42 | **/ |
| 43 | |
| 44 | #ifndef COMMONCPP_SOCKET_H_ |
| 45 | #define COMMONCPP_SOCKET_H_ |
| 46 | |
| 47 | #include <cstdio> |
| 48 | |
| 49 | #ifndef COMMONCPP_CONFIG_H_ |
| 50 | #include <commoncpp/config.h> |
| 51 | #endif |
| 52 | |
| 53 | #ifndef COMMONCPP_STRING_H_ |
| 54 | #include <commoncpp/string.h> |
| 55 | #endif |
| 56 | |
| 57 | #ifndef COMMONCPP_ADDRESS_H_ |
| 58 | #include <commoncpp/address.h> |
| 59 | #endif |
| 60 | |
| 61 | #ifndef COMMONCPP_EXCEPTION_H_ |
| 62 | #include <commoncpp/exception.h> |
| 63 | #endif |
| 64 | |
| 65 | #ifndef MSG_DONTWAIT |
| 66 | #define MSG_DONTWAIT 0 |
| 67 | #endif |
| 68 | |
| 69 | #ifndef MSG_NOSIGNAL |
| 70 | #define MSG_NOSIGNAL 0 |
| 71 | #endif |
| 72 | |
| 73 | #ifndef SOCK_DCCP |
| 74 | #define SOCK_DCCP 6 |
| 75 | #endif |
| 76 | #ifndef IPPROTO_DCCP |
| 77 | #define IPPROTO_DCCP 33 |
| 78 | #endif |
| 79 | #ifndef SOL_DCCP |
| 80 | #define SOL_DCCP 269 |
| 81 | #endif |
| 82 | #define DCCP_SOCKOPT_AVAILABLE_CCIDS 12 |
| 83 | #define DCCP_SOCKOPT_CCID 13 |
| 84 | #define DCCP_SOCKOPT_TX_CCID 14 |
| 85 | #define DCCP_SOCKOPT_RX_CCID 15 |
| 86 | |
| 87 | NAMESPACE_COMMONCPP |
| 88 | |
| 89 | typedef socket_t SOCKET; |
| 90 | |
| 91 | class __EXPORT Socket : protected ucommon::Socket |
| 92 | { |
| 93 | public: |
| 94 | enum State { |
| 95 | INITIAL, |
| 96 | AVAILABLE, |
| 97 | BOUND, |
| 98 | CONNECTED, |
| 99 | CONNECTING, |
| 100 | STREAM |
| 101 | }; |
| 102 | typedef enum State State; |
| 103 | |
| 104 | enum Family { |
| 105 | #ifdef CCXX_IPV6 |
| 106 | IPV6 = AF_INET6, |
| 107 | #endif |
| 108 | IPV4 = AF_INET |
| 109 | }; |
| 110 | |
| 111 | typedef enum Family Family; |
| 112 | |
| 113 | enum Error { |
| 114 | errSuccess = 0, |
| 115 | errCreateFailed, |
| 116 | errCopyFailed, |
| 117 | errInput, |
| 118 | errInputInterrupt, |
| 119 | errResourceFailure, |
| 120 | errOutput, |
| 121 | errOutputInterrupt, |
| 122 | errNotConnected, |
| 123 | errConnectRefused, |
| 124 | errConnectRejected, |
| 125 | errConnectTimeout, |
| 126 | errConnectFailed, |
| 127 | errConnectInvalid, |
| 128 | errConnectBusy, |
| 129 | errConnectNoRoute, |
| 130 | errBindingFailed, |
| 131 | errBroadcastDenied, |
| 132 | errRoutingDenied, |
| 133 | errKeepaliveDenied, |
| 134 | errServiceDenied, |
| 135 | errServiceUnavailable, |
| 136 | errMulticastDisabled, |
| 137 | errTimeout, |
| 138 | errNoDelay, |
| 139 | errExtended, |
| 140 | errLookupFail, |
| 141 | errSearchErr, |
| 142 | errInvalidValue |
| 143 | }; |
| 144 | |
| 145 | typedef enum Error Error; |
| 146 | |
| 147 | enum Tos { |
| 148 | tosLowDelay = 0, |
| 149 | tosThroughput, |
| 150 | tosReliability, |
| 151 | tosMinCost, |
| 152 | tosInvalid |
| 153 | }; |
| 154 | typedef enum Tos Tos; |
| 155 | |
| 156 | enum Pending { |
| 157 | pendingInput, |
| 158 | pendingOutput, |
| 159 | pendingError |
| 160 | }; |
| 161 | typedef enum Pending Pending; |
| 162 | |
| 163 | private: |
| 164 | // used by exception handlers.... |
| 165 | mutable Error errid; |
| 166 | mutable const char *errstr; |
| 167 | mutable long syserr; |
| 168 | |
| 169 | void setSocket(void); |
| 170 | |
| 171 | protected: |
| 172 | static socket_t dupSocket(socket_t s,Socket::State state); |
| 173 | |
| 174 | static Mutex mutex; |
| 175 | |
| 176 | mutable struct { |
| 177 | bool thrown: 1; |
| 178 | bool broadcast: 1; |
| 179 | bool route: 1; |
| 180 | bool keepalive: 1; |
| 181 | bool loopback: 1; |
| 182 | bool multicast: 1; |
| 183 | bool completion: 1; |
| 184 | bool linger: 1; |
| 185 | unsigned ttl: 8; |
| 186 | } flags; |
| 187 | |
| 188 | State volatile state; |
| 189 | |
| 190 | /** |
| 191 | * This service is used to throw all socket errors which usually |
| 192 | * occur during the socket constructor. |
| 193 | * |
| 194 | * @param error defined socket error id. |
| 195 | * @param err string or message to pass. |
| 196 | * @param systemError the system error# that caused the error |
| 197 | */ |
| 198 | Error error(Error error, const char *err = NULL, long systemError = 0) const; |
| 199 | |
| 200 | /** |
| 201 | * This service is used to throw application defined socket errors |
| 202 | * where the application specific error code is a string. |
| 203 | * |
| 204 | * @param err string or message to pass. |
| 205 | */ |
| 206 | inline void error(const char *err) const |
| 207 | {error(errExtended, err);}; |
| 208 | |
| 209 | /** |
| 210 | * This service is used to turn the error handler on or off for |
| 211 | * "throwing" exceptions by manipulating the thrown flag. |
| 212 | * |
| 213 | * @param enable true to enable handler. |
| 214 | */ |
| 215 | inline void setError(bool enable) |
| 216 | {flags.thrown = !enable;}; |
| 217 | |
| 218 | /** |
| 219 | * Used as the default destructor for ending a socket. This |
| 220 | * will cleanly terminate the socket connection. It is provided |
| 221 | * for use in derived virtual destructors. |
| 222 | */ |
| 223 | void endSocket(void); |
| 224 | |
| 225 | /** |
| 226 | * Used as a common handler for connection failure processing. |
| 227 | * |
| 228 | * @return correct failure code to apply. |
| 229 | */ |
| 230 | Error connectError(void); |
| 231 | |
| 232 | /** |
| 233 | * Set the send limit. |
| 234 | */ |
| 235 | Error sendLimit(int limit = 2048); |
| 236 | |
| 237 | /** |
| 238 | * Set thr receive limit. |
| 239 | */ |
| 240 | Error receiveLimit(int limit = 1); |
| 241 | |
| 242 | /** |
| 243 | * Set the send timeout for sending raw network data. |
| 244 | * |
| 245 | * @return errSuccess if set. |
| 246 | * @param timer value in millisec. |
| 247 | */ |
| 248 | Error sendTimeout(timeout_t timer); |
| 249 | |
| 250 | /** |
| 251 | * Receive timeout for receiving raw network data. |
| 252 | * |
| 253 | * @return errSuccess if set. |
| 254 | * @param timer value in milliseconds. |
| 255 | */ |
| 256 | Error receiveTimeout(timeout_t timer); |
| 257 | |
| 258 | /** |
| 259 | * Set the protocol stack network kernel send buffer size |
| 260 | * associated with the socket. |
| 261 | * |
| 262 | * @return errSuccess on success, or error. |
| 263 | * @param size of buffer in bytes. |
| 264 | */ |
| 265 | Error sendBuffer(unsigned size); |
| 266 | |
| 267 | /** |
| 268 | * Set the protocol stack network kernel receive buffer size |
| 269 | * associated with the socket. |
| 270 | * |
| 271 | * @return errSuccess on success, or error. |
| 272 | * @param size of buffer in bytes. |
| 273 | */ |
| 274 | Error receiveBuffer(unsigned size); |
| 275 | |
| 276 | /** |
| 277 | * Set the total protocol stack network kernel buffer size |
| 278 | * for both send and receive together. |
| 279 | * |
| 280 | * @return errSuccess on success |
| 281 | * @param size of buffer. |
| 282 | */ |
| 283 | Error bufferSize(unsigned size); |
| 284 | |
| 285 | /** |
| 286 | * Set the subnet broadcast flag for the socket. This enables |
| 287 | * sending to a subnet and may require special image privileges |
| 288 | * depending on the operating system. |
| 289 | * |
| 290 | * @return 0 (errSuccess) on success, else error code. |
| 291 | * @param enable when set to true. |
| 292 | */ |
| 293 | Error setBroadcast(bool enable); |
| 294 | |
| 295 | /** |
| 296 | * Setting multicast binds the multicast interface used for |
| 297 | * the socket to the interface the socket itself has been |
| 298 | * implicitly bound to. It is also used as a check flag |
| 299 | * to make sure multicast is enabled before multicast |
| 300 | * operations are used. |
| 301 | * |
| 302 | * @return 0 (errSuccess) on success, else error code. |
| 303 | * @param enable when set to true. |
| 304 | * @param family of protocol. |
| 305 | */ |
| 306 | Error setMulticastByFamily(bool enable, Family family = IPV4); |
| 307 | |
| 308 | /** |
| 309 | * Set the multicast loopback flag for the socket. Loopback |
| 310 | * enables a socket to hear what it is sending. |
| 311 | * |
| 312 | * @return 0 (errSuccess) on success, else error code. |
| 313 | * @param enable when set to true. |
| 314 | * @param family of protocol. |
| 315 | */ |
| 316 | Error setLoopbackByFamily(bool enable, Family family = IPV4); |
| 317 | |
| 318 | /** |
| 319 | * Set the multicast time to live for a multicast socket. |
| 320 | * |
| 321 | * @return 0 (errSuccess) on success, else error code. |
| 322 | * @param ttl time to live. |
| 323 | * @param fam family of protocol. |
| 324 | */ |
| 325 | Error setTimeToLiveByFamily(unsigned char ttl, Family fam = IPV4); |
| 326 | |
| 327 | /** |
| 328 | * Join a multicast group. |
| 329 | * |
| 330 | * @return 0 (errSuccess) on success, else error code. |
| 331 | * @param ia address of multicast group to join. |
| 332 | */ |
| 333 | Error join(const IPV4Multicast &ia); |
| 334 | #ifdef CCXX_IPV6 |
| 335 | Error join(const IPV6Multicast &ia); |
| 336 | #endif |
| 337 | |
| 338 | /** |
| 339 | * Drop membership from a multicast group. |
| 340 | * |
| 341 | * @return 0 (errSuccess) on success, else error code. |
| 342 | * @param ia address of multicast group to drop. |
| 343 | */ |
| 344 | Error drop(const IPV4Multicast &ia); |
| 345 | #ifdef CCXX_IPV6 |
| 346 | Error drop(const IPV6Multicast &ia); |
| 347 | #endif |
| 348 | |
| 349 | /** |
| 350 | * Set the socket routing to indicate if outgoing messages |
| 351 | * should bypass normal routing (set false). |
| 352 | * |
| 353 | * @return 0 on success. |
| 354 | * @param enable normal routing when set to true. |
| 355 | */ |
| 356 | Error setRouting(bool enable); |
| 357 | |
| 358 | /** |
| 359 | * Enable/disable delaying packets (Nagle algorithm) |
| 360 | * |
| 361 | * @return 0 on success. |
| 362 | * @param enable disable Nagle algorithm when set to true. |
| 363 | */ |
| 364 | Error setNoDelay(bool enable); |
| 365 | |
| 366 | /** |
| 367 | * An unconnected socket may be created directly on the local |
| 368 | * machine. Sockets can occupy both the internet domain (AF_INET) |
| 369 | * and UNIX socket domain (AF_UNIX) under unix. The socket type |
| 370 | * (SOCK_STREAM, SOCK_DGRAM) and protocol may also be specified. |
| 371 | * If the socket cannot be created, an exception is thrown. |
| 372 | * |
| 373 | * @param domain socket domain to use. |
| 374 | * @param type base type and protocol family of the socket. |
| 375 | * @param protocol specific protocol to apply. |
| 376 | */ |
| 377 | Socket(int domain, int type, int protocol = 0); |
| 378 | |
| 379 | /** |
| 380 | * A socket object may be created from a file descriptor when that |
| 381 | * descriptor was created either through a socket() or accept() |
| 382 | * call. This constructor is mostly for internal use. |
| 383 | * |
| 384 | * @param fd file descriptor of an already existing socket. |
| 385 | */ |
| 386 | Socket(socket_t fd); |
| 387 | |
| 388 | /** |
| 389 | * Create an inactive socket object for base constructors. |
| 390 | */ |
| 391 | Socket(); |
| 392 | |
| 393 | /** |
| 394 | * A socket can also be constructed from an already existing |
| 395 | * Socket object. On POSIX systems, the socket file descriptor |
| 396 | * is dup()'d. On Win32, DuplicateHandle() is used. |
| 397 | * |
| 398 | * @param source of existing socket to clone. |
| 399 | */ |
| 400 | Socket(const Socket &source); |
| 401 | |
| 402 | /** |
| 403 | * Process a logical input line from a socket descriptor |
| 404 | * directly. |
| 405 | * |
| 406 | * @param buf pointer to string. |
| 407 | * @param len maximum length to read. |
| 408 | * @param timeout for pending data in milliseconds. |
| 409 | * @return number of bytes actually read. |
| 410 | */ |
| 411 | ssize_t readLine(char *buf, size_t len, timeout_t timeout = 0); |
| 412 | |
| 413 | /** |
| 414 | * Read in a block of len bytes with specific separator. Can |
| 415 | * be zero, or any other char. If \\n or \\r, it's treated just |
| 416 | * like a readLine(). Otherwise it looks for the separator. |
| 417 | * |
| 418 | * @param buf pointer to byte allocation. |
| 419 | * @param len maximum length to read. |
| 420 | * @param separator separator for a particular ASCII character |
| 421 | * @param t timeout for pending data in milliseconds. |
| 422 | * @return number of bytes actually read. |
| 423 | */ |
| 424 | virtual ssize_t readData(void * buf,size_t len,char separator=0,timeout_t t=0); |
| 425 | |
| 426 | /** |
| 427 | * Write a block of len bytes to socket. |
| 428 | * |
| 429 | * @param buf pointer to byte allocation. |
| 430 | * @param len maximum length to write. |
| 431 | * @param t timeout for pending data in milliseconds. |
| 432 | * @return number of bytes actually written. |
| 433 | */ |
| 434 | virtual ssize_t writeData(const void* buf,size_t len,timeout_t t=0); |
| 435 | |
| 436 | public: |
| 437 | ~Socket(); |
| 438 | |
| 439 | /** |
| 440 | * Often used by a "catch" to fetch the last error of a thrown |
| 441 | * socket. |
| 442 | * |
| 443 | * @return error number of Error error. |
| 444 | */ |
| 445 | inline Error getErrorNumber(void) const {return errid;} |
| 446 | |
| 447 | /** |
| 448 | * Often used by a "catch" to fetch the user set error string |
| 449 | * of a thrown socket, but only if EXTENDED error codes are used. |
| 450 | * |
| 451 | * @return string for error message. |
| 452 | */ |
| 453 | inline const char *getErrorString(void) const {return errstr;} |
| 454 | |
| 455 | inline long getSystemError(void) const {return syserr;} |
| 456 | |
| 457 | const char *getSystemErrorString(void) const; |
| 458 | |
| 459 | /** |
| 460 | * Get the status of pending operations. This can be used to |
| 461 | * examine if input or output is waiting, or if an error has |
| 462 | * occured on the descriptor. |
| 463 | * |
| 464 | * @return true if ready, false on timeout. |
| 465 | * @param pend ready check to perform. |
| 466 | * @param timeout in milliseconds, inf. if not specified. |
| 467 | */ |
| 468 | virtual bool isPending(Pending pend, timeout_t timeout = TIMEOUT_INF); |
| 469 | |
| 470 | /** |
| 471 | * See if a specific protocol family is available in the |
| 472 | * current runtime environment. |
| 473 | * |
| 474 | * @return true if family available. |
| 475 | */ |
| 476 | static bool check(Family fam); |
| 477 | |
| 478 | /** |
| 479 | * Operator based testing to see if a socket is currently |
| 480 | * active. |
| 481 | */ |
| 482 | bool operator!() const; |
| 483 | |
| 484 | operator bool() const; |
| 485 | |
| 486 | /** |
| 487 | * Sockets may also be duplicated by the assignment operator. |
| 488 | */ |
| 489 | Socket &operator=(const Socket &from); |
| 490 | |
| 491 | /** |
| 492 | * May be used to examine the origin of data waiting in the |
| 493 | * socket receive queue. This can tell a TCP server where pending |
| 494 | * "connect" requests are coming from, or a UDP socket where it's |
| 495 | * next packet arrived from. |
| 496 | * |
| 497 | * @param port ptr to port number of sender. |
| 498 | * @return host address, test with "isInetAddress()". |
| 499 | */ |
| 500 | virtual IPV4Host getIPV4Sender(tpport_t *port = NULL) const; |
| 501 | |
| 502 | inline IPV4Host getSender(tpport_t *port = NULL) const |
| 503 | {return getIPV4Sender(port);} |
| 504 | |
| 505 | #ifdef CCXX_IPV6 |
| 506 | virtual IPV6Host getIPV6Sender(tpport_t *port = NULL) const; |
| 507 | #endif |
| 508 | |
| 509 | /** |
| 510 | * Get the host address and port of the socket this socket |
| 511 | * is connected to. If the socket is currently not in a |
| 512 | * connected state, then a host address of 0.0.0.0 is |
| 513 | * returned. |
| 514 | * |
| 515 | * @param port ptr to port number of remote socket. |
| 516 | * @return host address of remote socket. |
| 517 | */ |
| 518 | IPV4Host getIPV4Peer(tpport_t *port = NULL) const; |
| 519 | |
| 520 | inline IPV4Host getPeer(tpport_t *port = NULL) const |
| 521 | {return getIPV4Peer(port);} |
| 522 | |
| 523 | #ifdef CCXX_IPV6 |
| 524 | IPV6Host getIPV6Peer(tpport_t *port = NULL) const; |
| 525 | #endif |
| 526 | |
| 527 | /** |
| 528 | * Get the local address and port number this socket is |
| 529 | * currently bound to. |
| 530 | * |
| 531 | * @param port ptr to port number on local host. |
| 532 | * @return host address of interface this socket is bound to. |
| 533 | */ |
| 534 | IPV4Host getIPV4Local(tpport_t *port = NULL) const; |
| 535 | |
| 536 | inline IPV4Host getLocal(tpport_t *port = NULL) const |
| 537 | {return getIPV4Local(port);} |
| 538 | |
| 539 | #ifdef CCXX_IPV6 |
| 540 | IPV6Host getIPV6Local(tpport_t *port = NULL) const; |
| 541 | #endif |
| 542 | |
| 543 | /** |
| 544 | * Used to specify blocking mode for the socket. A socket |
| 545 | * can be made non-blocking by setting setCompletion(false) |
| 546 | * or set to block on all access with setCompletion(true). |
| 547 | * I do not believe this form of non-blocking socket I/O is supported |
| 548 | * in winsock, though it provides an alternate asynchronous set of |
| 549 | * socket services. |
| 550 | * |
| 551 | * @param immediate mode specify socket I/O call blocking mode. |
| 552 | */ |
| 553 | void setCompletion(bool immediate); |
| 554 | |
| 555 | /** |
| 556 | * Enable lingering sockets on close. |
| 557 | * |
| 558 | * @param linger specify linger enable. |
| 559 | */ |
| 560 | Error setLinger(bool linger); |
| 561 | |
| 562 | /** |
| 563 | * Set the keep-alive status of this socket and if keep-alive |
| 564 | * messages will be sent. |
| 565 | * |
| 566 | * @return 0 on success. |
| 567 | * @param enable keep alive messages. |
| 568 | */ |
| 569 | Error setKeepAlive(bool enable); |
| 570 | |
| 571 | /** |
| 572 | * Set packet scheduling on platforms which support ip quality |
| 573 | * of service conventions. This effects how packets in the |
| 574 | * queue are scheduled through the interface. |
| 575 | * |
| 576 | * @return 0 on success, error code on failure. |
| 577 | * @param service type of service enumerated type. |
| 578 | */ |
| 579 | Error setTypeOfService(Tos service); |
| 580 | |
| 581 | /** |
| 582 | * Can test to see if this socket is "connected", and hence |
| 583 | * whether a "catch" can safely call getPeer(). Of course, |
| 584 | * an unconnected socket will return a 0.0.0.0 address from |
| 585 | * getPeer() as well. |
| 586 | * |
| 587 | * @return true when socket is connected to a peer. |
| 588 | */ |
| 589 | bool isConnected(void) const; |
| 590 | |
| 591 | /** |
| 592 | * Test to see if the socket is at least operating or if it |
| 593 | * is mearly initialized. "initialized" sockets may be the |
| 594 | * result of failed constructors. |
| 595 | * |
| 596 | * @return true if not in initial state. |
| 597 | */ |
| 598 | bool isActive(void) const; |
| 599 | |
| 600 | /** |
| 601 | * Return if broadcast has been enabled for the specified |
| 602 | * socket. |
| 603 | * |
| 604 | * @return true if broadcast socket. |
| 605 | */ |
| 606 | inline bool isBroadcast(void) const |
| 607 | {return flags.broadcast;}; |
| 608 | |
| 609 | /** |
| 610 | * Return if socket routing is enabled. |
| 611 | * |
| 612 | * @return true if routing enabled. |
| 613 | */ |
| 614 | inline bool isRouted(void) const |
| 615 | {return flags.route;}; |
| 616 | |
| 617 | |
| 618 | inline struct in_addr getaddress(const IPV4Address &ia) |
| 619 | {return ia.getAddress();} |
| 620 | |
| 621 | #ifdef CCXX_IPV6 |
| 622 | inline struct in6_addr getaddress(const IPV6Address &ia) |
| 623 | {return ia.getAddress();} |
| 624 | #endif |
| 625 | |
| 626 | }; |
| 627 | |
| 628 | #if defined(CCXX_EXCEPTIONS) |
| 629 | |
| 630 | class __EXPORT SockException : public IOException |
| 631 | { |
| 632 | private: |
| 633 | Socket::Error _socketError; |
| 634 | |
| 635 | public: |
| 636 | inline SockException(const String &str, Socket::Error socketError, long systemError = 0) : |
| 637 | IOException(str, systemError), _socketError(socketError) {}; |
| 638 | |
| 639 | inline Socket::Error getSocketError() const |
| 640 | { return _socketError; } |
| 641 | }; |
| 642 | |
| 643 | #endif |
| 644 | |
| 645 | END_NAMESPACE |
| 646 | |
| 647 | #endif |