| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: socket.cpp |
| 3 | // Purpose: Socket handler classes |
| 4 | // Authors: Guilhem Lavaux, Guillermo Rodriguez Garcia |
| 5 | // Created: April 1997 |
| 6 | // Updated: September 1999 |
| 7 | // Copyright: (C) 1999, 1998, 1997, Guilhem Lavaux |
| 8 | // (C) 1999, Guillermo Rodriguez Garcia |
| 9 | // RCS_ID: $Id$ |
| 10 | // License: see wxWindows license |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | #ifdef __GNUG__ |
| 14 | #pragma implementation "socket.h" |
| 15 | #endif |
| 16 | |
| 17 | // For compilers that support precompilation, includes "wx.h". |
| 18 | #include "wx/wxprec.h" |
| 19 | |
| 20 | #ifdef __BORLANDC__ |
| 21 | #pragma hdrstop |
| 22 | #endif |
| 23 | |
| 24 | #if wxUSE_SOCKETS |
| 25 | |
| 26 | ///////////////////////////////////////////////////////////////////////////// |
| 27 | // wxWindows headers |
| 28 | ///////////////////////////////////////////////////////////////////////////// |
| 29 | #include "wx/defs.h" |
| 30 | #include "wx/object.h" |
| 31 | #include "wx/string.h" |
| 32 | #include "wx/timer.h" |
| 33 | #include "wx/utils.h" |
| 34 | #include "wx/module.h" |
| 35 | #include "wx/log.h" |
| 36 | |
| 37 | #include <stdlib.h> |
| 38 | #include <string.h> |
| 39 | #include <ctype.h> |
| 40 | |
| 41 | ///////////////////////////////////////////////////////////////////////////// |
| 42 | // wxSocket headers |
| 43 | ///////////////////////////////////////////////////////////////////////////// |
| 44 | #include "wx/sckaddr.h" |
| 45 | #include "wx/socket.h" |
| 46 | |
| 47 | |
| 48 | #if defined(__WXMSW__) || defined(__WXPM__) |
| 49 | #define PROCESS_EVENTS() wxYield() |
| 50 | #elif defined(__WXGTK__) |
| 51 | #include <gtk/gtk.h> |
| 52 | #define PROCESS_EVENTS() gtk_main_iteration() |
| 53 | #endif |
| 54 | |
| 55 | |
| 56 | // -------------------------------------------------------------- |
| 57 | // ClassInfos |
| 58 | // -------------------------------------------------------------- |
| 59 | #if !USE_SHARED_LIBRARY |
| 60 | IMPLEMENT_CLASS(wxSocketBase, wxObject) |
| 61 | IMPLEMENT_CLASS(wxSocketServer, wxSocketBase) |
| 62 | IMPLEMENT_CLASS(wxSocketClient, wxSocketBase) |
| 63 | IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent) |
| 64 | #endif |
| 65 | |
| 66 | class wxSocketState : public wxObject |
| 67 | { |
| 68 | public: |
| 69 | bool notify_state; |
| 70 | GSocketEventFlags evt_notify_state; |
| 71 | wxSocketBase::wxSockFlags socket_flags; |
| 72 | wxSocketBase::wxSockCbk c_callback; |
| 73 | char *c_callback_data; |
| 74 | |
| 75 | public: |
| 76 | wxSocketState() : wxObject() {} |
| 77 | }; |
| 78 | |
| 79 | // -------------------------------------------------------------- |
| 80 | // wxSocketBase ctor and dtor |
| 81 | // -------------------------------------------------------------- |
| 82 | |
| 83 | wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags, |
| 84 | wxSocketBase::wxSockType _type) : |
| 85 | wxEvtHandler(), |
| 86 | m_socket(NULL), m_id(-1), |
| 87 | m_flags(_flags), m_type(_type), |
| 88 | m_neededreq(0), m_notify_state(FALSE), |
| 89 | m_connected(FALSE), m_establishing(FALSE), |
| 90 | m_reading(FALSE), m_writing(FALSE), |
| 91 | m_error(FALSE), m_lcount(0), m_timeout(600), m_states(), |
| 92 | m_unread(NULL), m_unrd_size(0), m_unrd_cur(0), |
| 93 | m_defering(NO_DEFER), m_defer_buffer(NULL), m_defer_timer(NULL), |
| 94 | m_cbk(NULL), m_cdata(NULL) |
| 95 | { |
| 96 | } |
| 97 | |
| 98 | wxSocketBase::wxSocketBase() : |
| 99 | wxEvtHandler(), |
| 100 | m_socket(NULL), m_id(-1), |
| 101 | m_flags(NONE), m_type(SOCK_UNINIT), |
| 102 | m_neededreq(0), m_notify_state(FALSE), |
| 103 | m_connected(FALSE), m_establishing(FALSE), |
| 104 | m_reading(FALSE), m_writing(FALSE), |
| 105 | m_error(FALSE), m_lcount(0), m_timeout(600), m_states(), |
| 106 | m_unread(NULL), m_unrd_size(0), m_unrd_cur(0), |
| 107 | m_defering(NO_DEFER), m_defer_buffer(NULL), m_defer_timer(NULL), |
| 108 | m_cbk(NULL), m_cdata(NULL) |
| 109 | { |
| 110 | } |
| 111 | |
| 112 | wxSocketBase::~wxSocketBase() |
| 113 | { |
| 114 | if (m_unread) |
| 115 | free(m_unread); |
| 116 | |
| 117 | // Shutdown and close the socket |
| 118 | Close(); |
| 119 | |
| 120 | // Destroy the GSocket object |
| 121 | if (m_socket) |
| 122 | GSocket_destroy(m_socket); |
| 123 | } |
| 124 | |
| 125 | bool wxSocketBase::Close() |
| 126 | { |
| 127 | if (m_socket) |
| 128 | { |
| 129 | // Disable callbacks |
| 130 | GSocket_UnsetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | |
| 131 | GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG); |
| 132 | |
| 133 | // Shutdown the connection |
| 134 | GSocket_Shutdown(m_socket); |
| 135 | m_connected = FALSE; |
| 136 | m_establishing = FALSE; |
| 137 | } |
| 138 | |
| 139 | return TRUE; |
| 140 | } |
| 141 | |
| 142 | // -------------------------------------------------------------- |
| 143 | // wxSocketBase basic IO operations |
| 144 | // -------------------------------------------------------------- |
| 145 | |
| 146 | // All IO operations {Read, Write, ReadMsg, WriteMsg, Peek, |
| 147 | // Unread, Discard} update m_error and m_lcount. |
| 148 | // |
| 149 | // TODO: Should Connect, Accept and AcceptWith update m_error? |
| 150 | |
| 151 | class _wxSocketInternalTimer: public wxTimer |
| 152 | { |
| 153 | public: |
| 154 | int *m_state; |
| 155 | unsigned long m_new_val; |
| 156 | |
| 157 | void Notify() |
| 158 | { |
| 159 | *m_state = m_new_val; // Change the value |
| 160 | } |
| 161 | }; |
| 162 | |
| 163 | wxUint32 wxSocketBase::DeferRead(char *buffer, wxUint32 nbytes) |
| 164 | { |
| 165 | // Timer for timeout |
| 166 | _wxSocketInternalTimer timer; |
| 167 | |
| 168 | //wxLogMessage("Entrando a DeferRead, nbytes = %d", nbytes); |
| 169 | wxASSERT(m_defering == NO_DEFER); |
| 170 | |
| 171 | // Set the defering mode to READ. |
| 172 | m_defering = DEFER_READ; |
| 173 | |
| 174 | // Set the current buffer. |
| 175 | m_defer_buffer = buffer; |
| 176 | m_defer_nbytes = nbytes; |
| 177 | m_defer_timer = &timer; |
| 178 | |
| 179 | timer.m_state = (int *)&m_defer_buffer; |
| 180 | timer.m_new_val = 0; |
| 181 | |
| 182 | timer.Start(m_timeout * 1000, FALSE); |
| 183 | |
| 184 | // If the socket is readable, call DoDefer for the first time |
| 185 | if (GSocket_Select(m_socket, GSOCK_INPUT_FLAG)) |
| 186 | { |
| 187 | //wxLogMessage("Llamando al primer DoDefer"); |
| 188 | DoDefer(); |
| 189 | } |
| 190 | |
| 191 | // Wait for buffer completion. |
| 192 | while (m_defer_buffer != NULL) |
| 193 | PROCESS_EVENTS(); |
| 194 | |
| 195 | timer.Stop(); |
| 196 | |
| 197 | // Disable defering mode. |
| 198 | m_defering = NO_DEFER; |
| 199 | m_defer_timer = NULL; |
| 200 | |
| 201 | // Return the number of bytes read from the socket. |
| 202 | //wxLogMessage("Saliendo de DeferRead: total: %d bytes", nbytes - m_defer_nbytes); |
| 203 | return nbytes-m_defer_nbytes; |
| 204 | } |
| 205 | |
| 206 | wxSocketBase& wxSocketBase::Read(char* buffer, wxUint32 nbytes) |
| 207 | { |
| 208 | // Mask read events |
| 209 | m_reading = TRUE; |
| 210 | |
| 211 | m_lcount = _Read(buffer, nbytes); |
| 212 | |
| 213 | // If in WAITALL mode, all bytes should have been read. |
| 214 | if (m_flags & WAITALL) |
| 215 | m_error = (m_lcount != nbytes); |
| 216 | else |
| 217 | m_error = (m_lcount == 0); |
| 218 | |
| 219 | // Trigger another read event if there is still data available. |
| 220 | m_reading = FALSE; |
| 221 | // TODO: TriggerRead |
| 222 | |
| 223 | return *this; |
| 224 | } |
| 225 | |
| 226 | wxUint32 wxSocketBase::_Read(char* buffer, wxUint32 nbytes) |
| 227 | { |
| 228 | int total; |
| 229 | int ret = 1; |
| 230 | |
| 231 | // we try this even if the connection has already been closed. |
| 232 | total = GetPushback(buffer, nbytes, FALSE); |
| 233 | nbytes -= total; |
| 234 | buffer += total; |
| 235 | |
| 236 | // If the socket is not connected, or we have got the whole |
| 237 | // needed buffer, return immedately |
| 238 | if (!m_connected || !m_socket || !nbytes) |
| 239 | return total; |
| 240 | |
| 241 | // Possible combinations (they are checked in this order) |
| 242 | // NOWAIT |
| 243 | // SPEED | WAITALL |
| 244 | // SPEED |
| 245 | // WAITALL |
| 246 | // NONE |
| 247 | // |
| 248 | if (m_flags & NOWAIT) // NOWAIT |
| 249 | { |
| 250 | GSocket_SetNonBlocking(m_socket, TRUE); |
| 251 | ret = GSocket_Read(m_socket, buffer, nbytes); |
| 252 | GSocket_SetNonBlocking(m_socket, FALSE); |
| 253 | |
| 254 | if (ret > 0) |
| 255 | total += ret; |
| 256 | } |
| 257 | else if ((m_flags & SPEED) && (m_flags & WAITALL)) // SPEED, WAITALL |
| 258 | { |
| 259 | while (ret > 0 && nbytes > 0) |
| 260 | { |
| 261 | ret = GSocket_Read(m_socket, buffer, nbytes); |
| 262 | total += ret; |
| 263 | buffer += ret; |
| 264 | nbytes -= ret; |
| 265 | } |
| 266 | // In case the last call was an error ... |
| 267 | if (ret < 0) |
| 268 | total++; |
| 269 | } |
| 270 | else if (m_flags & SPEED) // SPEED, !WAITALL |
| 271 | { |
| 272 | ret = GSocket_Read(m_socket, buffer, nbytes); |
| 273 | |
| 274 | if (ret > 0) |
| 275 | total += ret; |
| 276 | } |
| 277 | else // NONE or WAITALL |
| 278 | { |
| 279 | ret = DeferRead(buffer, nbytes); |
| 280 | |
| 281 | if (ret > 0) |
| 282 | total += ret; |
| 283 | } |
| 284 | |
| 285 | return total; |
| 286 | } |
| 287 | |
| 288 | wxSocketBase& wxSocketBase::ReadMsg(char* buffer, wxUint32 nbytes) |
| 289 | { |
| 290 | #define MAX_DISCARD_SIZE (10 * 1024) |
| 291 | |
| 292 | wxUint32 len, len2, sig, total; |
| 293 | bool error; |
| 294 | int old_flags; |
| 295 | struct |
| 296 | { |
| 297 | unsigned char sig[4]; |
| 298 | unsigned char len[4]; |
| 299 | } msg; |
| 300 | |
| 301 | // Mask read events |
| 302 | m_reading = TRUE; |
| 303 | |
| 304 | total = 0; |
| 305 | error = TRUE; |
| 306 | old_flags = m_flags; |
| 307 | SetFlags((m_flags & SPEED) | WAITALL); |
| 308 | |
| 309 | if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg)) |
| 310 | goto exit; |
| 311 | |
| 312 | sig = (wxUint32)msg.sig[0]; |
| 313 | sig |= (wxUint32)(msg.sig[1] << 8); |
| 314 | sig |= (wxUint32)(msg.sig[2] << 16); |
| 315 | sig |= (wxUint32)(msg.sig[3] << 24); |
| 316 | |
| 317 | if (sig != 0xfeeddead) |
| 318 | { |
| 319 | wxLogMessage(wxT("Warning: invalid signature returned to ReadMsg")); |
| 320 | goto exit; |
| 321 | } |
| 322 | |
| 323 | len = (wxUint32)msg.len[0]; |
| 324 | len |= (wxUint32)(msg.len[1] << 8); |
| 325 | len |= (wxUint32)(msg.len[2] << 16); |
| 326 | len |= (wxUint32)(msg.len[3] << 24); |
| 327 | |
| 328 | //wxLogMessage("Readmsg: %d %d %d %d -> len == %d", |
| 329 | // msg.len[0], msg.len[1], msg.len[2], msg.len[3], len); |
| 330 | |
| 331 | if (len > nbytes) |
| 332 | { |
| 333 | len2 = len - nbytes; |
| 334 | len = nbytes; |
| 335 | } |
| 336 | else |
| 337 | len2 = 0; |
| 338 | |
| 339 | // This check is necessary so that we don't attemp to read if |
| 340 | // the msg was zero bytes long. |
| 341 | if (len) |
| 342 | { |
| 343 | total = _Read(buffer, len); |
| 344 | |
| 345 | if (total != len) |
| 346 | goto exit; |
| 347 | } |
| 348 | if (len2) |
| 349 | { |
| 350 | char *discard_buffer = new char[MAX_DISCARD_SIZE]; |
| 351 | long discard_len; |
| 352 | |
| 353 | // NOTE: discarded bytes don't add to m_lcount. |
| 354 | do |
| 355 | { |
| 356 | discard_len = ((len2 > MAX_DISCARD_SIZE)? MAX_DISCARD_SIZE : len2); |
| 357 | discard_len = _Read(discard_buffer, discard_len); |
| 358 | len2 -= discard_len; |
| 359 | } |
| 360 | while ((discard_len > 0) && len2); |
| 361 | |
| 362 | delete [] discard_buffer; |
| 363 | |
| 364 | if (len2 != 0) |
| 365 | goto exit; |
| 366 | } |
| 367 | if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg)) |
| 368 | goto exit; |
| 369 | |
| 370 | sig = (wxUint32)msg.sig[0]; |
| 371 | sig |= (wxUint32)(msg.sig[1] << 8); |
| 372 | sig |= (wxUint32)(msg.sig[2] << 16); |
| 373 | sig |= (wxUint32)(msg.sig[3] << 24); |
| 374 | |
| 375 | if (sig != 0xdeadfeed) |
| 376 | { |
| 377 | //wxLogMessage(wxT("Warning: invalid signature returned to ReadMsg")); |
| 378 | goto exit; |
| 379 | } |
| 380 | |
| 381 | // everything was OK |
| 382 | error = FALSE; |
| 383 | |
| 384 | exit: |
| 385 | m_error = error; |
| 386 | m_lcount = total; |
| 387 | m_reading = FALSE; |
| 388 | SetFlags(old_flags); |
| 389 | |
| 390 | // TODO: TriggerRead |
| 391 | return *this; |
| 392 | |
| 393 | #undef MAX_DISCARD_SIZE |
| 394 | } |
| 395 | |
| 396 | wxSocketBase& wxSocketBase::Peek(char* buffer, wxUint32 nbytes) |
| 397 | { |
| 398 | // Mask read events |
| 399 | m_reading = TRUE; |
| 400 | |
| 401 | m_lcount = _Read(buffer, nbytes); |
| 402 | Pushback(buffer, nbytes); |
| 403 | |
| 404 | // If in WAITALL mode, all bytes should have been read. |
| 405 | if (m_flags & WAITALL) |
| 406 | m_error = (m_lcount != nbytes); |
| 407 | else |
| 408 | m_error = (m_lcount == 0); |
| 409 | |
| 410 | // Trigger another read event if there is still data available. |
| 411 | m_reading = FALSE; |
| 412 | |
| 413 | // TODO: TriggerRead |
| 414 | return *this; |
| 415 | } |
| 416 | |
| 417 | wxUint32 wxSocketBase::DeferWrite(const char *buffer, wxUint32 nbytes) |
| 418 | { |
| 419 | // Timer for timeout |
| 420 | _wxSocketInternalTimer timer; |
| 421 | |
| 422 | wxASSERT(m_defering == NO_DEFER); |
| 423 | //wxLogMessage("Entrando a DeferWrite"); |
| 424 | |
| 425 | m_defering = DEFER_WRITE; |
| 426 | |
| 427 | // Set the current buffer |
| 428 | m_defer_buffer = (char *)buffer; |
| 429 | m_defer_nbytes = nbytes; |
| 430 | m_defer_timer = &timer; |
| 431 | |
| 432 | // Start timer |
| 433 | timer.m_state = (int *)&m_defer_buffer; |
| 434 | timer.m_new_val = 0; |
| 435 | |
| 436 | timer.Start(m_timeout * 1000, FALSE); |
| 437 | |
| 438 | // If the socket is writable, call DoDefer for the first time |
| 439 | if (GSocket_Select(m_socket, GSOCK_OUTPUT_FLAG)) |
| 440 | { |
| 441 | //wxLogMessage("Llamando al primer DoDefer"); |
| 442 | DoDefer(); |
| 443 | } |
| 444 | |
| 445 | // Wait for buffer completion. |
| 446 | while (m_defer_buffer != NULL) |
| 447 | PROCESS_EVENTS(); |
| 448 | |
| 449 | timer.Stop(); |
| 450 | |
| 451 | // Disable defering mode |
| 452 | m_defer_timer = NULL; |
| 453 | m_defering = NO_DEFER; |
| 454 | |
| 455 | wxString s; |
| 456 | s.Printf("Saliendo de DeferWrite: total %d bytes", nbytes-m_defer_nbytes); |
| 457 | //wxLogMessage(s); |
| 458 | |
| 459 | return nbytes-m_defer_nbytes; |
| 460 | } |
| 461 | |
| 462 | wxSocketBase& wxSocketBase::Write(const char *buffer, wxUint32 nbytes) |
| 463 | { |
| 464 | // Mask write events |
| 465 | m_writing = TRUE; |
| 466 | |
| 467 | m_lcount = _Write(buffer, nbytes); |
| 468 | |
| 469 | // If in WAITALL mode, all bytes should have been written. |
| 470 | if (m_flags & WAITALL) |
| 471 | m_error = (m_lcount != nbytes); |
| 472 | else |
| 473 | m_error = (m_lcount == 0); |
| 474 | |
| 475 | // Trigger another write event if the socket is still writable |
| 476 | m_writing = FALSE; |
| 477 | |
| 478 | // TODO: TriggerWrite |
| 479 | return *this; |
| 480 | } |
| 481 | |
| 482 | wxUint32 wxSocketBase::_Write(const char *buffer, wxUint32 nbytes) |
| 483 | { |
| 484 | wxUint32 total = 0; |
| 485 | int ret = 1; |
| 486 | |
| 487 | if (!m_connected || !m_socket) |
| 488 | return 0; |
| 489 | |
| 490 | // Possible combinations (they are checked in this order) |
| 491 | // NOWAIT |
| 492 | // SPEED | WAITALL |
| 493 | // SPEED |
| 494 | // WAITALL |
| 495 | // NONE |
| 496 | // |
| 497 | if (m_flags & NOWAIT) // NOWAIT |
| 498 | { |
| 499 | GSocket_SetNonBlocking(m_socket, TRUE); |
| 500 | ret = GSocket_Write(m_socket, buffer, nbytes); |
| 501 | GSocket_SetNonBlocking(m_socket, FALSE); |
| 502 | |
| 503 | if (ret > 0) |
| 504 | total = ret; |
| 505 | } |
| 506 | else if ((m_flags & SPEED) && (m_flags & WAITALL)) // SPEED, WAITALL |
| 507 | { |
| 508 | while (ret > 0 && nbytes > 0) |
| 509 | { |
| 510 | ret = GSocket_Write(m_socket, buffer, nbytes); |
| 511 | total += ret; |
| 512 | buffer += ret; |
| 513 | nbytes -= ret; |
| 514 | } |
| 515 | // In case the last call was an error ... |
| 516 | if (ret < 0) |
| 517 | total ++; |
| 518 | } |
| 519 | else if (m_flags & SPEED) // SPEED, !WAITALL |
| 520 | { |
| 521 | ret = GSocket_Write(m_socket, buffer, nbytes); |
| 522 | |
| 523 | if (ret > 0) |
| 524 | total = ret; |
| 525 | } |
| 526 | else // NONE or WAITALL |
| 527 | { |
| 528 | ret = DeferWrite(buffer, nbytes); |
| 529 | |
| 530 | if (ret > 0) |
| 531 | total = ret; |
| 532 | } |
| 533 | |
| 534 | return total; |
| 535 | } |
| 536 | |
| 537 | wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, wxUint32 nbytes) |
| 538 | { |
| 539 | wxUint32 total; |
| 540 | bool error; |
| 541 | int old_flags; |
| 542 | struct { |
| 543 | unsigned char sig[4]; |
| 544 | unsigned char len[4]; |
| 545 | } msg; |
| 546 | |
| 547 | // Mask write events |
| 548 | m_writing = TRUE; |
| 549 | |
| 550 | error = TRUE; |
| 551 | total = 0; |
| 552 | old_flags = m_flags; |
| 553 | SetFlags((m_flags & SPEED) | WAITALL); |
| 554 | |
| 555 | // warning about 'cast truncates constant value' |
| 556 | #ifdef __VISUALC__ |
| 557 | # pragma warning(disable: 4310) |
| 558 | #endif // __VISUALC__ |
| 559 | |
| 560 | msg.sig[0] = (unsigned char) 0xad; |
| 561 | msg.sig[1] = (unsigned char) 0xde; |
| 562 | msg.sig[2] = (unsigned char) 0xed; |
| 563 | msg.sig[3] = (unsigned char) 0xfe; |
| 564 | |
| 565 | msg.len[0] = (unsigned char) nbytes & 0xff; |
| 566 | msg.len[1] = (unsigned char) (nbytes >> 8) & 0xff; |
| 567 | msg.len[2] = (unsigned char) (nbytes >> 16) & 0xff; |
| 568 | msg.len[3] = (unsigned char) (nbytes >> 24) & 0xff; |
| 569 | |
| 570 | //wxLogMessage("Writemsg: %d %d %d %d -> %d", |
| 571 | // nbytes & 0xff, |
| 572 | // (nbytes >> 8) & 0xff, |
| 573 | // (nbytes >> 16) & 0xff, |
| 574 | // (nbytes >> 24) & 0xff, |
| 575 | // nbytes |
| 576 | // ); |
| 577 | |
| 578 | if (_Write((char *)&msg, sizeof(msg)) < sizeof(msg)) |
| 579 | goto exit; |
| 580 | |
| 581 | total = _Write(buffer, nbytes); |
| 582 | |
| 583 | if (total < nbytes) |
| 584 | goto exit; |
| 585 | |
| 586 | msg.sig[0] = (unsigned char) 0xed; |
| 587 | msg.sig[1] = (unsigned char) 0xfe; |
| 588 | msg.sig[2] = (unsigned char) 0xad; |
| 589 | msg.sig[3] = (unsigned char) 0xde; |
| 590 | msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0; |
| 591 | |
| 592 | if ((_Write((char *)&msg, sizeof(msg))) < sizeof(msg)) |
| 593 | goto exit; |
| 594 | |
| 595 | // everything was OK |
| 596 | error = FALSE; |
| 597 | |
| 598 | exit: |
| 599 | m_error = error; |
| 600 | m_lcount = total; |
| 601 | m_writing = FALSE; |
| 602 | |
| 603 | // TODO: TriggerWrite |
| 604 | return *this; |
| 605 | |
| 606 | #ifdef __VISUALC__ |
| 607 | # pragma warning(default: 4310) |
| 608 | #endif // __VISUALC__ |
| 609 | } |
| 610 | |
| 611 | wxSocketBase& wxSocketBase::Unread(const char *buffer, wxUint32 nbytes) |
| 612 | { |
| 613 | if (nbytes != 0) |
| 614 | Pushback(buffer, nbytes); |
| 615 | |
| 616 | m_error = FALSE; |
| 617 | m_lcount = nbytes; |
| 618 | |
| 619 | return *this; |
| 620 | } |
| 621 | |
| 622 | void wxSocketBase::DoDefer() |
| 623 | { |
| 624 | int ret; |
| 625 | |
| 626 | if (!m_defer_buffer) |
| 627 | return; |
| 628 | |
| 629 | switch(m_defering) |
| 630 | { |
| 631 | case DEFER_READ: |
| 632 | ret = GSocket_Read(m_socket, m_defer_buffer, m_defer_nbytes); |
| 633 | break; |
| 634 | case DEFER_WRITE: |
| 635 | ret = GSocket_Write(m_socket, m_defer_buffer, m_defer_nbytes); |
| 636 | break; |
| 637 | default: |
| 638 | ret = -1; |
| 639 | } |
| 640 | |
| 641 | if (ret >= 0) |
| 642 | m_defer_nbytes -= ret; |
| 643 | |
| 644 | // If we are waiting for all bytes to be acquired, keep the defering |
| 645 | // mode enabled. |
| 646 | if (!(m_flags & WAITALL) || !m_defer_nbytes || ret < 0) |
| 647 | { |
| 648 | m_defer_buffer = NULL; |
| 649 | } |
| 650 | else |
| 651 | { |
| 652 | m_defer_buffer += ret; |
| 653 | m_defer_timer->Start(m_timeout * 1000, FALSE); |
| 654 | } |
| 655 | |
| 656 | //wxLogMessage("DoDefer ha transferido %d bytes", ret); |
| 657 | } |
| 658 | |
| 659 | wxSocketBase& wxSocketBase::Discard() |
| 660 | { |
| 661 | #define MAX_BUFSIZE (10*1024) |
| 662 | |
| 663 | int old_flags; |
| 664 | char *my_data = new char[MAX_BUFSIZE]; |
| 665 | wxUint32 recv_size = MAX_BUFSIZE; |
| 666 | wxUint32 total = 0; |
| 667 | |
| 668 | // Mask read events |
| 669 | m_reading = TRUE; |
| 670 | |
| 671 | old_flags = m_flags; |
| 672 | SetFlags(NOWAIT); |
| 673 | |
| 674 | while (recv_size == MAX_BUFSIZE) |
| 675 | { |
| 676 | recv_size = _Read(my_data, MAX_BUFSIZE); |
| 677 | total += recv_size; |
| 678 | } |
| 679 | |
| 680 | delete [] my_data; |
| 681 | m_lcount = total; |
| 682 | m_error = FALSE; |
| 683 | |
| 684 | // Trigger another read event if there is still data available. |
| 685 | m_reading = FALSE; |
| 686 | |
| 687 | // TODO: TriggerRead |
| 688 | return *this; |
| 689 | |
| 690 | #undef MAX_BUFSIZE |
| 691 | } |
| 692 | |
| 693 | // -------------------------------------------------------------- |
| 694 | // wxSocketBase get local or peer addresses |
| 695 | // -------------------------------------------------------------- |
| 696 | |
| 697 | bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const |
| 698 | { |
| 699 | GAddress *peer; |
| 700 | |
| 701 | if (!m_socket) |
| 702 | return FALSE; |
| 703 | |
| 704 | peer = GSocket_GetPeer(m_socket); |
| 705 | addr_man.SetAddress(peer); |
| 706 | GAddress_destroy(peer); |
| 707 | |
| 708 | return TRUE; |
| 709 | } |
| 710 | |
| 711 | bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const |
| 712 | { |
| 713 | GAddress *local; |
| 714 | |
| 715 | if (!m_socket) |
| 716 | return FALSE; |
| 717 | |
| 718 | local = GSocket_GetLocal(m_socket); |
| 719 | addr_man.SetAddress(local); |
| 720 | GAddress_destroy(local); |
| 721 | |
| 722 | return TRUE; |
| 723 | } |
| 724 | |
| 725 | // -------------------------------------------------------------- |
| 726 | // wxSocketBase save and restore socket state |
| 727 | // -------------------------------------------------------------- |
| 728 | |
| 729 | void wxSocketBase::SaveState() |
| 730 | { |
| 731 | wxSocketState *state; |
| 732 | |
| 733 | state = new wxSocketState(); |
| 734 | |
| 735 | state->notify_state = m_notify_state; |
| 736 | state->evt_notify_state = m_neededreq; |
| 737 | state->socket_flags = m_flags; |
| 738 | state->c_callback = m_cbk; |
| 739 | state->c_callback_data = m_cdata; |
| 740 | |
| 741 | m_states.Append(state); |
| 742 | } |
| 743 | |
| 744 | void wxSocketBase::RestoreState() |
| 745 | { |
| 746 | wxNode *node; |
| 747 | wxSocketState *state; |
| 748 | |
| 749 | node = m_states.Last(); |
| 750 | if (!node) |
| 751 | return; |
| 752 | |
| 753 | state = (wxSocketState *)node->Data(); |
| 754 | |
| 755 | SetFlags(state->socket_flags); |
| 756 | m_neededreq = state->evt_notify_state; |
| 757 | m_cbk = state->c_callback; |
| 758 | m_cdata = state->c_callback_data; |
| 759 | Notify(state->notify_state); |
| 760 | |
| 761 | delete node; |
| 762 | delete state; |
| 763 | } |
| 764 | |
| 765 | |
| 766 | // -------------------------------------------------------------- |
| 767 | // wxSocketBase Wait functions |
| 768 | // -------------------------------------------------------------- |
| 769 | |
| 770 | // GRG: I have completely rewritten this family of functions |
| 771 | // so that they don't depend on event notifications; instead, |
| 772 | // they poll the socket, using GSocket_Select(), to check for |
| 773 | // the specified combination of event flags, until an event |
| 774 | // occurs or until the timeout ellapses. The polling loop |
| 775 | // calls PROCESS_EVENTS(), so this won't block the GUI. |
| 776 | |
| 777 | bool wxSocketBase::_Wait(long seconds, long milliseconds, wxSocketEventFlags flags) |
| 778 | { |
| 779 | GSocketEventFlags result; |
| 780 | _wxSocketInternalTimer timer; |
| 781 | long timeout; |
| 782 | int state = -1; |
| 783 | |
| 784 | // Check for valid socket |
| 785 | if (!m_socket) |
| 786 | return FALSE; |
| 787 | |
| 788 | // If it is not a server, it must be connected or establishing connection |
| 789 | if ((m_type != SOCK_SERVER) && (!m_connected && !m_establishing)) |
| 790 | return FALSE; |
| 791 | |
| 792 | // Check for valid timeout value |
| 793 | if (seconds != -1) |
| 794 | timeout = seconds * 1000 + milliseconds; |
| 795 | else |
| 796 | timeout = m_timeout * 1000; |
| 797 | |
| 798 | // Activate timer |
| 799 | if (timeout) |
| 800 | { |
| 801 | timer.m_state = &state; |
| 802 | timer.m_new_val = 0; |
| 803 | timer.Start(timeout, TRUE); |
| 804 | } |
| 805 | |
| 806 | // Active polling (without using events) |
| 807 | // |
| 808 | // NOTE: this duplicates some of the code in OnRequest (lost |
| 809 | // connection and connection establishment handling) but this |
| 810 | // doesn't hurt. It has to be here because the event might |
| 811 | // be a bit delayed, and it has to be in OnRequest as well |
| 812 | // because maybe the WaitXXX functions are not being used. |
| 813 | // |
| 814 | // Do this at least once (important if timeout == 0, when |
| 815 | // we are just polling) |
| 816 | do |
| 817 | { |
| 818 | result = GSocket_Select(m_socket, flags | GSOCK_LOST_FLAG); |
| 819 | |
| 820 | // Connection lost |
| 821 | if (result & GSOCK_LOST_FLAG) |
| 822 | { |
| 823 | timer.Stop(); |
| 824 | m_defer_buffer = NULL; |
| 825 | Close(); |
| 826 | return TRUE; |
| 827 | } |
| 828 | |
| 829 | // Incoming connection (server) or connection established (client) |
| 830 | if (result & GSOCK_CONNECTION_FLAG) |
| 831 | { |
| 832 | timer.Stop(); |
| 833 | m_connected = TRUE; |
| 834 | m_establishing = FALSE; |
| 835 | return TRUE; |
| 836 | } |
| 837 | |
| 838 | // If we are in the middle of a R/W operation, do not propagate |
| 839 | // to users. |
| 840 | if ( ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG)) |
| 841 | && (!m_writing) && (!m_reading) ) |
| 842 | { |
| 843 | /* TODO: remove this |
| 844 | if (m_defer_buffer == NULL) |
| 845 | */ |
| 846 | { |
| 847 | timer.Stop(); |
| 848 | return TRUE; |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | if (timeout != 0) |
| 853 | PROCESS_EVENTS(); |
| 854 | } |
| 855 | while ((state == -1) && timeout); |
| 856 | |
| 857 | timer.Stop(); |
| 858 | return FALSE; |
| 859 | } |
| 860 | |
| 861 | bool wxSocketBase::Wait(long seconds, long milliseconds) |
| 862 | { |
| 863 | return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | |
| 864 | GSOCK_OUTPUT_FLAG | |
| 865 | GSOCK_CONNECTION_FLAG | |
| 866 | GSOCK_LOST_FLAG); |
| 867 | } |
| 868 | |
| 869 | bool wxSocketBase::WaitForRead(long seconds, long milliseconds) |
| 870 | { |
| 871 | // Check pushback buffer |
| 872 | if (m_unread) |
| 873 | return TRUE; |
| 874 | |
| 875 | return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG); |
| 876 | } |
| 877 | |
| 878 | bool wxSocketBase::WaitForWrite(long seconds, long milliseconds) |
| 879 | { |
| 880 | return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG); |
| 881 | } |
| 882 | |
| 883 | bool wxSocketBase::WaitForLost(long seconds, long milliseconds) |
| 884 | { |
| 885 | return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG); |
| 886 | } |
| 887 | |
| 888 | void wxSocketBase::SetTimeout(long seconds) |
| 889 | { |
| 890 | m_timeout = seconds; |
| 891 | |
| 892 | if (m_socket) |
| 893 | GSocket_SetTimeout(m_socket, m_timeout); |
| 894 | } |
| 895 | |
| 896 | // -------------------------------------------------------------- |
| 897 | // wxSocketBase flags |
| 898 | // -------------------------------------------------------------- |
| 899 | |
| 900 | void wxSocketBase::SetFlags(wxSockFlags _flags) |
| 901 | { |
| 902 | m_flags = _flags; |
| 903 | } |
| 904 | |
| 905 | // -------------------------------------------------------------- |
| 906 | // wxSocketBase callback management |
| 907 | // -------------------------------------------------------------- |
| 908 | |
| 909 | wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_) |
| 910 | { |
| 911 | wxSockCbk old_cbk = cbk_; |
| 912 | |
| 913 | m_cbk = cbk_; |
| 914 | return old_cbk; |
| 915 | } |
| 916 | |
| 917 | char *wxSocketBase::CallbackData(char *data) |
| 918 | { |
| 919 | char *old_data = m_cdata; |
| 920 | |
| 921 | m_cdata = data; |
| 922 | return old_data; |
| 923 | } |
| 924 | |
| 925 | // -------------------------------------------------------------- |
| 926 | // wxSocketBase automatic notifier |
| 927 | // -------------------------------------------------------------- |
| 928 | |
| 929 | // All events (INPUT, OUTPUT, CONNECTION, LOST) are now always |
| 930 | // internally watched; but users will only be notified of those |
| 931 | // events they are interested in. |
| 932 | |
| 933 | static void LINKAGEMODE wx_socket_callback(GSocket * WXUNUSED(socket), |
| 934 | GSocketEvent event, char *cdata) |
| 935 | { |
| 936 | wxSocketBase *sckobj = (wxSocketBase *)cdata; |
| 937 | |
| 938 | sckobj->OnRequest((wxSocketNotify)event); |
| 939 | } |
| 940 | |
| 941 | wxSocketEventFlags wxSocketBase::EventToNotify(wxSocketNotify evt) |
| 942 | { |
| 943 | switch (evt) |
| 944 | { |
| 945 | case GSOCK_INPUT: return GSOCK_INPUT_FLAG; |
| 946 | case GSOCK_OUTPUT: return GSOCK_OUTPUT_FLAG; |
| 947 | case GSOCK_CONNECTION: return GSOCK_CONNECTION_FLAG; |
| 948 | case GSOCK_LOST: return GSOCK_LOST_FLAG; |
| 949 | } |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | void wxSocketBase::SetNotify(wxSocketEventFlags flags) |
| 954 | { |
| 955 | m_neededreq = flags; |
| 956 | } |
| 957 | |
| 958 | void wxSocketBase::Notify(bool notify) |
| 959 | { |
| 960 | m_notify_state = notify; |
| 961 | } |
| 962 | |
| 963 | void wxSocketBase::OnRequest(wxSocketNotify req_evt) |
| 964 | { |
| 965 | wxSocketEvent event(m_id); |
| 966 | wxSocketEventFlags flag = EventToNotify(req_evt); |
| 967 | |
| 968 | // fprintf(stderr, "%s: Entering OnRequest (evt %d)\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); |
| 969 | |
| 970 | // NOTE: this duplicates some of the code in _Wait (lost |
| 971 | // connection and connection establishment handling) but |
| 972 | // this doesn't hurt. It has to be here because maybe the |
| 973 | // WaitXXX are not being used, and it has to be in _Wait |
| 974 | // as well because the event might be a bit delayed. |
| 975 | // |
| 976 | switch(req_evt) |
| 977 | { |
| 978 | case wxSOCKET_CONNECTION: |
| 979 | m_establishing = FALSE; |
| 980 | m_connected = TRUE; |
| 981 | break; |
| 982 | case wxSOCKET_LOST: |
| 983 | m_defer_buffer = NULL; |
| 984 | Close(); |
| 985 | break; |
| 986 | case wxSOCKET_INPUT: |
| 987 | case wxSOCKET_OUTPUT: |
| 988 | if (m_defer_buffer) |
| 989 | { |
| 990 | // fprintf(stderr, "%s: Habia buffer, evt %d skipped\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); |
| 991 | DoDefer(); |
| 992 | // Do not notify to user |
| 993 | return; |
| 994 | } |
| 995 | break; |
| 996 | } |
| 997 | |
| 998 | // If we are in the middle of a R/W operation, do not |
| 999 | // propagate events to users. |
| 1000 | if (((req_evt == wxSOCKET_INPUT) && m_reading) || |
| 1001 | ((req_evt == wxSOCKET_OUTPUT) && m_writing)) |
| 1002 | { |
| 1003 | // fprintf(stderr, "%s: Swallowed evt %d\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); |
| 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | if (((m_neededreq & flag) == flag) && m_notify_state) |
| 1008 | { |
| 1009 | // fprintf(stderr, "%s: Evt %d delivered\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); |
| 1010 | event.m_socket = this; |
| 1011 | event.m_skevt = req_evt; |
| 1012 | ProcessEvent(event); |
| 1013 | OldOnNotify(req_evt); |
| 1014 | |
| 1015 | if (m_cbk) |
| 1016 | m_cbk(*this, req_evt, m_cdata); |
| 1017 | } |
| 1018 | |
| 1019 | // fprintf(stderr, "%s: Exiting OnRequest (evt %d)\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); |
| 1020 | } |
| 1021 | |
| 1022 | void wxSocketBase::OldOnNotify(wxSocketNotify WXUNUSED(evt)) |
| 1023 | { |
| 1024 | } |
| 1025 | |
| 1026 | // -------------------------------------------------------------- |
| 1027 | // wxSocketBase set event handler |
| 1028 | // -------------------------------------------------------------- |
| 1029 | |
| 1030 | void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id) |
| 1031 | { |
| 1032 | SetNextHandler(&h_evt); |
| 1033 | m_id = id; |
| 1034 | } |
| 1035 | |
| 1036 | // -------------------------------------------------------------- |
| 1037 | // wxSocketBase pushback |
| 1038 | // -------------------------------------------------------------- |
| 1039 | |
| 1040 | void wxSocketBase::Pushback(const char *buffer, wxUint32 size) |
| 1041 | { |
| 1042 | if (m_unread == NULL) |
| 1043 | m_unread = (char *)malloc(size); |
| 1044 | else { |
| 1045 | char *tmp; |
| 1046 | |
| 1047 | tmp = (char *)malloc(m_unrd_size + size); |
| 1048 | memcpy(tmp+size, m_unread, m_unrd_size); |
| 1049 | free(m_unread); |
| 1050 | |
| 1051 | m_unread = tmp; |
| 1052 | } |
| 1053 | |
| 1054 | m_unrd_size += size; |
| 1055 | |
| 1056 | memcpy(m_unread, buffer, size); |
| 1057 | } |
| 1058 | |
| 1059 | wxUint32 wxSocketBase::GetPushback(char *buffer, wxUint32 size, bool peek) |
| 1060 | { |
| 1061 | if (!m_unrd_size) |
| 1062 | return 0; |
| 1063 | |
| 1064 | if (size > (m_unrd_size-m_unrd_cur)) |
| 1065 | size = m_unrd_size-m_unrd_cur; |
| 1066 | |
| 1067 | memcpy(buffer, (m_unread+m_unrd_cur), size); |
| 1068 | |
| 1069 | if (!peek) { |
| 1070 | m_unrd_cur += size; |
| 1071 | if (m_unrd_size == m_unrd_cur) { |
| 1072 | free(m_unread); |
| 1073 | m_unread = NULL; |
| 1074 | m_unrd_size = 0; |
| 1075 | m_unrd_cur = 0; |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | return size; |
| 1080 | } |
| 1081 | |
| 1082 | // -------------------------------------------------------------- |
| 1083 | // wxSocketServer |
| 1084 | // -------------------------------------------------------------- |
| 1085 | |
| 1086 | // -------------------------------------------------------------- |
| 1087 | // wxSocketServer ctor and dtor |
| 1088 | // -------------------------------------------------------------- |
| 1089 | |
| 1090 | wxSocketServer::wxSocketServer(wxSockAddress& addr_man, |
| 1091 | wxSockFlags flags) : |
| 1092 | wxSocketBase(flags, SOCK_SERVER) |
| 1093 | { |
| 1094 | // Create the socket |
| 1095 | m_socket = GSocket_new(); |
| 1096 | |
| 1097 | if (!m_socket) |
| 1098 | return; |
| 1099 | |
| 1100 | // Setup the socket as server |
| 1101 | GSocket_SetLocal(m_socket, addr_man.GetAddress()); |
| 1102 | if (GSocket_SetServer(m_socket) != GSOCK_NOERROR) |
| 1103 | { |
| 1104 | GSocket_destroy(m_socket); |
| 1105 | m_socket = NULL; |
| 1106 | return; |
| 1107 | } |
| 1108 | |
| 1109 | GSocket_SetTimeout(m_socket, m_timeout); |
| 1110 | GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | |
| 1111 | GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, |
| 1112 | wx_socket_callback, (char *)this); |
| 1113 | |
| 1114 | } |
| 1115 | |
| 1116 | // -------------------------------------------------------------- |
| 1117 | // wxSocketServer Accept |
| 1118 | // -------------------------------------------------------------- |
| 1119 | |
| 1120 | bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait) |
| 1121 | { |
| 1122 | GSocket *child_socket; |
| 1123 | |
| 1124 | if (!m_socket) |
| 1125 | return FALSE; |
| 1126 | |
| 1127 | // GRG: If wait == FALSE, then the call should be nonblocking. |
| 1128 | // When we are finished, we put the socket to blocking mode |
| 1129 | // again. |
| 1130 | |
| 1131 | if (!wait) |
| 1132 | GSocket_SetNonBlocking(m_socket, TRUE); |
| 1133 | |
| 1134 | child_socket = GSocket_WaitConnection(m_socket); |
| 1135 | |
| 1136 | if (!wait) |
| 1137 | GSocket_SetNonBlocking(m_socket, FALSE); |
| 1138 | |
| 1139 | // GRG: this was not being handled! |
| 1140 | if (child_socket == NULL) |
| 1141 | return FALSE; |
| 1142 | |
| 1143 | sock.m_type = SOCK_INTERNAL; |
| 1144 | sock.m_socket = child_socket; |
| 1145 | sock.m_connected = TRUE; |
| 1146 | |
| 1147 | GSocket_SetTimeout(sock.m_socket, sock.m_timeout); |
| 1148 | GSocket_SetCallback(sock.m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | |
| 1149 | GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, |
| 1150 | wx_socket_callback, (char *)&sock); |
| 1151 | |
| 1152 | return TRUE; |
| 1153 | } |
| 1154 | |
| 1155 | wxSocketBase *wxSocketServer::Accept(bool wait) |
| 1156 | { |
| 1157 | wxSocketBase* sock = new wxSocketBase(); |
| 1158 | |
| 1159 | sock->SetFlags((wxSockFlags)m_flags); |
| 1160 | |
| 1161 | if (!AcceptWith(*sock, wait)) |
| 1162 | return NULL; |
| 1163 | |
| 1164 | return sock; |
| 1165 | } |
| 1166 | |
| 1167 | bool wxSocketServer::WaitForAccept(long seconds, long milliseconds) |
| 1168 | { |
| 1169 | return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG); |
| 1170 | } |
| 1171 | |
| 1172 | // -------------------------------------------------------------- |
| 1173 | // wxSocketClient |
| 1174 | // -------------------------------------------------------------- |
| 1175 | |
| 1176 | // -------------------------------------------------------------- |
| 1177 | // wxSocketClient ctor and dtor |
| 1178 | // -------------------------------------------------------------- |
| 1179 | |
| 1180 | wxSocketClient::wxSocketClient(wxSockFlags _flags) : |
| 1181 | wxSocketBase(_flags, SOCK_CLIENT) |
| 1182 | { |
| 1183 | } |
| 1184 | |
| 1185 | wxSocketClient::~wxSocketClient() |
| 1186 | { |
| 1187 | } |
| 1188 | |
| 1189 | // -------------------------------------------------------------- |
| 1190 | // wxSocketClient Connect functions |
| 1191 | // -------------------------------------------------------------- |
| 1192 | bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) |
| 1193 | { |
| 1194 | GSocketError err; |
| 1195 | |
| 1196 | if (IsConnected()) |
| 1197 | Close(); |
| 1198 | |
| 1199 | // This should never happen. |
| 1200 | if (m_socket) |
| 1201 | GSocket_destroy(m_socket); |
| 1202 | |
| 1203 | // Initialize all socket stuff ... |
| 1204 | m_socket = GSocket_new(); |
| 1205 | m_connected = FALSE; |
| 1206 | m_establishing = FALSE; |
| 1207 | |
| 1208 | if (!m_socket) |
| 1209 | return FALSE; |
| 1210 | |
| 1211 | GSocket_SetTimeout(m_socket, m_timeout); |
| 1212 | GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | |
| 1213 | GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, |
| 1214 | wx_socket_callback, (char *)this); |
| 1215 | |
| 1216 | // GRG: If wait == FALSE, then the call should be nonblocking. |
| 1217 | // When we are finished, we put the socket to blocking mode |
| 1218 | // again. |
| 1219 | |
| 1220 | if (!wait) |
| 1221 | GSocket_SetNonBlocking(m_socket, TRUE); |
| 1222 | |
| 1223 | GSocket_SetPeer(m_socket, addr_man.GetAddress()); |
| 1224 | err = GSocket_Connect(m_socket, GSOCK_STREAMED); |
| 1225 | |
| 1226 | if (!wait) |
| 1227 | GSocket_SetNonBlocking(m_socket, FALSE); |
| 1228 | |
| 1229 | if (err != GSOCK_NOERROR) |
| 1230 | { |
| 1231 | if (err == GSOCK_WOULDBLOCK) |
| 1232 | m_establishing = TRUE; |
| 1233 | |
| 1234 | return FALSE; |
| 1235 | } |
| 1236 | |
| 1237 | m_connected = TRUE; |
| 1238 | return TRUE; |
| 1239 | } |
| 1240 | |
| 1241 | bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds) |
| 1242 | { |
| 1243 | if (m_connected) // Already connected |
| 1244 | return TRUE; |
| 1245 | |
| 1246 | if (!m_establishing || !m_socket) // No connection in progress |
| 1247 | return FALSE; |
| 1248 | |
| 1249 | return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG); |
| 1250 | } |
| 1251 | |
| 1252 | // -------------------------------------------------------------- |
| 1253 | // wxSocketEvent |
| 1254 | // -------------------------------------------------------------- |
| 1255 | |
| 1256 | wxSocketEvent::wxSocketEvent(int id) |
| 1257 | : wxEvent(id) |
| 1258 | { |
| 1259 | wxEventType type = (wxEventType)wxEVT_SOCKET; |
| 1260 | |
| 1261 | SetEventType(type); |
| 1262 | } |
| 1263 | |
| 1264 | void wxSocketEvent::CopyObject(wxObject& obj_d) const |
| 1265 | { |
| 1266 | wxSocketEvent *event = (wxSocketEvent *)&obj_d; |
| 1267 | |
| 1268 | wxEvent::CopyObject(obj_d); |
| 1269 | |
| 1270 | event->m_skevt = m_skevt; |
| 1271 | event->m_socket = m_socket; |
| 1272 | } |
| 1273 | |
| 1274 | // -------------------------------------------------------------------------- |
| 1275 | // wxSocketModule |
| 1276 | // -------------------------------------------------------------------------- |
| 1277 | class WXDLLEXPORT wxSocketModule: public wxModule { |
| 1278 | DECLARE_DYNAMIC_CLASS(wxSocketModule) |
| 1279 | public: |
| 1280 | bool OnInit() { |
| 1281 | return GSocket_Init(); |
| 1282 | } |
| 1283 | void OnExit() { |
| 1284 | GSocket_Cleanup(); |
| 1285 | } |
| 1286 | }; |
| 1287 | |
| 1288 | IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule) |
| 1289 | |
| 1290 | #endif |
| 1291 | // wxUSE_SOCKETS |