src/common/socket.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 // Name:       socket.cpp
   3 // Purpose:    Socket handler classes
   4 // Authors:    Guilhem Lavaux (completely rewritten from a basic API of Andrew
   5 //             Davidson(1995) in wxWeb)
   6 // Created:    April 1997
   7 // Updated:    March 1998
   8 // Copyright:  (C) 1998, 1997, Guilhem Lavaux
   9 // RCS_ID:     $Id$
  10 // License:    see wxWindows license
  11 ////////////////////////////////////////////////////////////////////////////////
  12 #ifdef __GNUG__
  13 #pragma implementation "socket.h"
  14 // #pragma interface
  15 // #pragma implementation "socket.cpp"
  16 #endif
  17
  18 // For compilers that support precompilation, includes "wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __BORLANDC__
  22 #pragma hdrstop
  23 #endif
  24
  25 /////////////////////////////////////////////////////////////////////////////
  26 // wxWindows headers
  27 /////////////////////////////////////////////////////////////////////////////
  28 #include <wx/defs.h>
  29 #include <wx/object.h>
  30 #include <wx/string.h>
  31 #include <wx/timer.h>
  32 #include <wx/utils.h>
  33
  34 // Not enough OS behaviour defined for wxStubs
  35 #ifndef __WXSTUBS__
  36
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <ctype.h>
  40
  41 /////////////////////////////////////////////////////////////////////////////
  42 // System specific headers
  43 /////////////////////////////////////////////////////////////////////////////
  44 #if defined(__WINDOWS__)
  45 #include <winsock.h>
  46 #endif // __WINDOWS__
  47
  48 #if defined(__UNIX__)
  49
  50 #ifdef VMS
  51 #include <socket.h>
  52 #else
  53 #include <sys/socket.h>
  54 #endif
  55 #include <sys/ioctl.h>
  56
  57 #include <sys/time.h>
  58 #include <unistd.h>
  59
  60 #ifdef sun
  61 #include <sys/filio.h>
  62 #endif
  63
  64 #endif // __UNIX__
  65
  66 #include <signal.h>
  67 #include <errno.h>
  68
  69 #ifdef _MSC_VER
  70 #include <io.h>
  71 #endif
  72
  73 #if defined(__WXMOTIF__) || defined(__WXXT__)
  74 #include <X11/Intrinsic.h>
  75
  76 /////////////////////////////
  77 // Needs internal variables
  78 /////////////////////////////
  79 #ifdef __WXXT__
  80 #define Uses_XtIntrinsic
  81 #endif
  82
  83 #endif
  84
  85 #if defined(__WXGTK__)
  86 #include <gtk/gtk.h>
  87 #endif
  88
  89 /////////////////////////////////////////////////////////////////////////////
  90 // wxSocket headers
  91 /////////////////////////////////////////////////////////////////////////////
  92 #include "wx/module.h"
  93 #define WXSOCK_INTERNAL
  94 #include "wx/sckaddr.h"
  95 #include "wx/socket.h"
  96
  97 /////////////////////////////////////////////////////////////////////////////
  98 // Some patch ///// BEGIN
  99 /////////////////////////////////////////////////////////////////////////////
 100 #ifdef __WINDOWS__
 101 #define close closesocket
 102 #define ioctl ioctlsocket
 103 #ifdef errno
 104 #undef errno
 105 #endif
 106 #define errno WSAGetLastError()
 107 #ifdef EWOULDBLOCK
 108 #undef EWOULDBLOCK
 109 #endif
 110 #define EWOULDBLOCK WSAEWOULDBLOCK
 111 #define ETIMEDOUT WSAETIMEDOUT
 112 #undef EINTR
 113 #define EINTR WSAEINTR
 114 #endif
 115
 116 #ifndef __WINDOWS__
 117 #define INVALID_SOCKET -1
 118 #endif
 119
 120 #ifdef __WXMOTIF__
 121 #define wxAPP_CONTEXT ((XtAppContext)wxTheApp->GetAppContext())
 122 #endif
 123
 124 #ifdef __WINDOWS__
 125 // This is an MS TCP/IP routine and is not needed here. Some WinSock
 126 // implementations (such as PC-NFS) will require you to include this
 127 // or a similar routine (see appendix in WinSock doc or help file).
 128
 129 #if defined( NEED_WSAFDIsSet ) || defined( _MSC_VER )
 130 int PASCAL FAR __WSAFDIsSet(SOCKET fd, fd_set FAR *set)
 131 {
 132         int i = set->fd_count;
 133
 134         while (i--)
 135         {
 136                 if (set->fd_array[i] == fd)
 137                         return 1;
 138         }
 139
 140         return 0;
 141 }
 142 #endif
 143 #endif
 144
 145 #if defined(__WINDOWS__)
 146 #define PROCESS_EVENTS() wxYield()
 147 #elif defined(__WXXT__) || defined(__WXMOTIF__)
 148 #define PROCESS_EVENTS() XtAppProcessEvent(wxAPP_CONTEXT, XtIMAll)
 149 #elif defined(__WXGTK__)
 150 #define PROCESS_EVENTS() wxYield()
 151 #endif
 152
 153 /////////////////////////////////////////////////////////////////////////////
 154 // Some patch ///// END
 155 /////////////////////////////////////////////////////////////////////////////
 156
 157 // --------------------------------------------------------------
 158 // Module
 159 // --------------------------------------------------------------
 160 class wxSocketModule: public wxModule
 161 {
 162   DECLARE_DYNAMIC_CLASS(wxSocketModule)
 163 public:
 164   wxSocketModule() {}
 165   bool OnInit();
 166   void OnExit();
 167 };
 168
 169 // --------------------------------------------------------------
 170 // ClassInfos
 171 // --------------------------------------------------------------
 172 #if !USE_SHARED_LIBRARY
 173 IMPLEMENT_CLASS(wxSocketBase, wxObject)
 174 IMPLEMENT_CLASS(wxSocketServer, wxSocketBase)
 175 IMPLEMENT_CLASS(wxSocketClient, wxSocketBase)
 176 IMPLEMENT_CLASS(wxSocketHandler, wxObject)
 177 IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent)
 178 IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
 179 #endif
 180
 181 class wxSockWakeUp : public wxTimer
 182 {
 183 public:
 184   int *my_id;
 185   int n_val;
 186   wxSocketBase *sock;
 187
 188   wxSockWakeUp(wxSocketBase *_sock, int *id, int new_val)
 189   {
 190     my_id = id; n_val = new_val;
 191     sock = _sock;
 192   }
 193   virtual void Notify()
 194   {
 195     *my_id = n_val;
 196     if (sock) sock->Notify(FALSE);
 197   }
 198 };
 199
 200 /// Socket request
 201 class SockRequest : public wxObject
 202 {
 203 public:
 204   char *buffer;
 205   size_t size, nbytes;
 206   bool done;
 207   int error;
 208   wxSockWakeUp *auto_wakeup;
 209   wxSocketBase::wxRequestNotify type;
 210 };
 211
 212
 213 /////////////////////////////////////////////////////////////////////////////
 214 // Some internal define
 215 /////////////////////////////////////////////////////////////////////////////
 216
 217 // --------------------------------------------------------------
 218 // --------- wxSocketBase CONSTRUCTOR ---------------------------
 219 // --------------------------------------------------------------
 220 wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags,
 221                            wxSocketBase::wxSockType _type) :
 222   wxEvtHandler(),
 223   m_flags(_flags), m_type(_type), m_connected(FALSE), m_connecting(FALSE),
 224   m_fd(INVALID_SOCKET), m_waitflags(0), m_cbk(0), m_cdata(0), m_id(-1),
 225   m_handler(0),
 226   m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
 227   m_cbkon(FALSE),
 228   m_unread(NULL), m_unrd_size(0),
 229   m_processing(FALSE),
 230   m_timeout(1), m_wantbuf(0)
 231 {
 232   m_internal = new wxSockInternal;
 233 #if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__)
 234   m_internal->sock_inputid = 0;
 235   m_internal->sock_outputid = 0;
 236   m_internal->sock_exceptid = 0;
 237 #endif
 238 #ifdef __WINDOWS__
 239   m_internal->my_msg = 0;
 240 #endif
 241 }
 242
 243 wxSocketBase::wxSocketBase() :
 244   wxEvtHandler(),
 245   m_flags(WAITALL), m_type(SOCK_UNINIT), m_connected(FALSE),
 246   m_connecting(FALSE), m_fd(INVALID_SOCKET), m_waitflags(0),
 247   m_cbk(0), m_cdata(0),
 248   m_id(-1), m_handler(0),
 249   m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
 250   m_cbkon(FALSE),
 251   m_unread(NULL), m_unrd_size(0),
 252   m_processing(FALSE),
 253   m_timeout(1), m_wantbuf(0)
 254 {
 255   m_internal = new wxSockInternal;
 256 #if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__)
 257   m_internal->sock_inputid = 0;
 258   m_internal->sock_outputid = 0;
 259   m_internal->sock_exceptid = 0;
 260 #endif
 261 #ifdef __WINDOWS__
 262   m_internal->my_msg = 0;
 263 #endif
 264 }
 265
 266 // --------------------------------------------------------------
 267 // --------- wxSocketBase CONSTRUCTOR ---------------------------
 268 // --------------------------------------------------------------
 269 wxSocketBase::~wxSocketBase()
 270 {
 271   DestroyCallbacks();
 272   Close();
 273
 274   if (m_unread)
 275     free(m_unread);
 276   if (m_handler) {
 277 #ifdef __WINDOWS__
 278     if (m_internal->my_msg)
 279       m_handler->DestroyMessage(m_internal->my_msg);
 280 #endif
 281     m_handler->UnRegister(this);
 282   }
 283   m_states.DeleteContents(TRUE);
 284
 285   delete m_internal;
 286 }
 287
 288 bool wxSocketBase::Close()
 289 {
 290   if (m_fd != INVALID_SOCKET) {
 291     for (int i=0;i<3;i++) {
 292       wxNode *n, *node = req_list[i].First();
 293
 294       while (node) {
 295         SockRequest *req = (SockRequest *)node->Data();
 296         req->done = TRUE;
 297
 298         n = node->Next();
 299         delete node;
 300         node = n;
 301       }
 302     }
 303
 304     DestroyCallbacks();
 305     shutdown(m_fd, 2);
 306     close(m_fd);
 307     m_fd = INVALID_SOCKET;
 308     m_connected = FALSE;
 309   }
 310
 311   return TRUE;
 312 }
 313
 314 // --------------------------------------------------------------
 315 // --------- wxSocketBase base IO functions ---------------------
 316 // --------------------------------------------------------------
 317 wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes)
 318 {
 319   m_lcount = GetPushback(buffer, nbytes, FALSE);
 320
 321   // If we have got the whole needed buffer or if we don't want to
 322   // wait then it returns immediately.
 323   if (!nbytes || (m_lcount && !(m_flags & WAITALL)) )
 324     return *this;
 325
 326   WantBuffer(buffer, nbytes, EVT_READ);
 327
 328   return *this;
 329 }
 330
 331 wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
 332 {
 333   size_t nbytes_old = nbytes;
 334
 335   nbytes -= GetPushback(buffer, nbytes, TRUE);
 336   if (!nbytes) {
 337     m_lcount = nbytes_old;
 338     return *this;
 339   }
 340
 341   WantBuffer(buffer, nbytes, EVT_PEEK);
 342
 343   return *this;
 344 }
 345
 346 wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
 347 {
 348   WantBuffer((char *)buffer, nbytes, EVT_WRITE);
 349   return *this;
 350 }
 351
 352 wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
 353 {
 354   SockMsg msg;
 355   size_t len, len2, sig;
 356
 357   Read((char *)&msg, sizeof(msg));
 358   if (m_lcount != sizeof(msg))
 359     return *this;
 360
 361   sig = msg.sig[0] & 0xff;
 362   sig |= (size_t)(msg.sig[1] & 0xff) << 8;
 363   sig |= (size_t)(msg.sig[2] & 0xff) << 16;
 364   sig |= (size_t)(msg.sig[3] & 0xff) << 24;
 365
 366   if (sig != 0xfeeddead)
 367     return *this;
 368   len = msg.len[0] & 0xff;
 369   len |= (size_t)(msg.len[1] & 0xff) << 8;
 370   len |= (size_t)(msg.len[2] & 0xff) << 16;
 371   len |= (size_t)(msg.len[3] & 0xff) << 24;
 372   len2 = len;
 373   if (len > nbytes)
 374     len = nbytes;
 375   else
 376     len2 = 0;
 377
 378   if (Read(buffer, len).LastCount() != len)
 379     return *this;
 380   if (len2 && (Read(NULL, len2).LastCount() != len2))
 381     return *this;
 382   if (Read((char *)&msg, sizeof(msg)).LastCount() != sizeof(msg))
 383     return *this;
 384
 385   sig = msg.sig[0] & 0xff;
 386   sig |= (size_t)(msg.sig[1] & 0xff) << 8;
 387   sig |= (size_t)(msg.sig[2] & 0xff) << 16;
 388   sig |= (size_t)(msg.sig[3] & 0xff) << 24;
 389 // ERROR
 390   if (sig != 0xdeadfeed)
 391     return *this;
 392
 393   return *this;
 394 }
 395
 396 wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes)
 397 {
 398   SockMsg msg;
 399
 400   msg.sig[0] = (char) 0xad;
 401   msg.sig[1] = (char) 0xde;
 402   msg.sig[2] = (char) 0xed;
 403   msg.sig[3] = (char) 0xfe;
 404
 405   msg.len[0] = (char) nbytes & 0xff;
 406   msg.len[1] = (char) (nbytes >> 8) & 0xff;
 407   msg.len[2] = (char) (nbytes >> 16) & 0xff;
 408   msg.len[3] = (char) (nbytes >> 24) & 0xff;
 409
 410   if (Write((char *)&msg, sizeof(msg)).LastCount() < sizeof(msg))
 411     return *this;
 412   if (Write(buffer, nbytes).LastCount() < nbytes)
 413     return *this;
 414
 415   msg.sig[0] = (char) 0xed;
 416   msg.sig[1] = (char) 0xfe;
 417   msg.sig[2] = (char) 0xad;
 418   msg.sig[3] = (char) 0xde;
 419   msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0;
 420   Write((char *)&msg, sizeof(msg));
 421
 422   return *this;
 423 }
 424
 425 wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes)
 426 {
 427   CreatePushbackAfter(buffer, nbytes);
 428   return *this;
 429 }
 430
 431 bool wxSocketBase::IsData() const
 432 {
 433   struct timeval tv;
 434   fd_set sock_set;
 435
 436   if (m_fd < 0)
 437     return FALSE;
 438   if (m_unrd_size > 0)
 439     return TRUE;
 440
 441   tv.tv_sec = 0;
 442   tv.tv_usec = 0;
 443   FD_ZERO(&sock_set);
 444   FD_SET(m_fd, &sock_set);
 445   select(FD_SETSIZE, &sock_set, NULL, NULL, &tv);
 446   return (FD_ISSET(m_fd, &sock_set) != 0);
 447 }
 448
 449 // ---------------------------------------------------------------------
 450 // --------- wxSocketBase Discard(): deletes all byte in the input queue
 451 // ---------------------------------------------------------------------
 452 void wxSocketBase::Discard()
 453 {
 454 #define MAX_BUFSIZE (10*1024)
 455   char *my_data = new char[MAX_BUFSIZE];
 456   size_t recv_size = MAX_BUFSIZE;
 457
 458   SaveState();
 459   SetFlags((wxSockFlags)(NOWAIT | SPEED));
 460
 461   while (recv_size == MAX_BUFSIZE) {
 462     recv_size = Read(my_data, MAX_BUFSIZE).LastCount();
 463   }
 464
 465   RestoreState();
 466   delete [] my_data;
 467
 468 #undef MAX_BUFSIZE
 469 }
 470
 471 // --------------------------------------------------------------
 472 // --------- wxSocketBase socket info functions -----------------
 473 // --------------------------------------------------------------
 474 bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
 475 {
 476   struct sockaddr my_addr;
 477   uint len_addr = sizeof(my_addr);
 478
 479   if (m_fd < 0)
 480     return FALSE;
 481
 482   if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0)
 483     return FALSE;
 484
 485   addr_man.Disassemble(&my_addr, len_addr);
 486   return TRUE;
 487 }
 488
 489 bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const
 490 {
 491   struct sockaddr my_addr;
 492   uint len_addr = sizeof(my_addr);
 493
 494   if (m_fd < 0)
 495     return FALSE;
 496
 497   if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0)
 498
 499     return FALSE;
 500
 501   addr_man.Disassemble(&my_addr, len_addr);
 502   return TRUE;
 503 }
 504
 505 // --------------------------------------------------------------
 506 // --------- wxSocketBase wait functions ------------------------
 507 // --------------------------------------------------------------
 508
 509 void wxSocketBase::SaveState()
 510 {
 511   wxSockState *state = new wxSockState;
 512
 513   state->cbk_on = m_cbkon;
 514   state->cbk_set= m_neededreq;
 515   state->cbk    = m_cbk;
 516   state->cdata  = m_cdata;
 517   state->flags  = m_flags;
 518   state->notif  = m_notifyme;
 519
 520   m_states.Append(state);
 521 }
 522
 523 void wxSocketBase::RestoreState()
 524 {
 525   wxNode *node;
 526
 527   node = m_states.Last();
 528   if (!node)
 529     return;
 530
 531   wxSockState *state = (wxSockState *)node->Data();
 532
 533   SetFlags(state->flags);
 534   m_neededreq = state->cbk_set;
 535   m_cbk       = state->cbk;
 536   m_cdata     = state->cdata;
 537   m_notifyme  = state->notif;
 538   if (state->cbk_on)
 539     SetupCallbacks();
 540   else
 541     DestroyCallbacks();
 542
 543   delete node;
 544   delete state;
 545 }
 546
 547 // --------------------------------------------------------------
 548 // --------- wxSocketBase wait functions ------------------------
 549 // --------------------------------------------------------------
 550
 551 bool wxSocketBase::_Wait(long seconds, long microseconds, int type)
 552 {
 553   if ((!m_connected && !m_connecting) || m_fd < 0)
 554     return FALSE;
 555
 556   wxSockWakeUp wakeup(this, &m_waitflags, 0);
 557
 558   SaveState();
 559   SetNotify((wxRequestNotify)type);
 560   SetupCallbacks();
 561
 562   if (seconds != -1)
 563     wakeup.Start((int)(seconds*1000 + (microseconds / 1000)), TRUE);
 564
 565   m_waitflags = 0x80 | type;
 566   while (m_waitflags & 0x80)
 567     PROCESS_EVENTS();
 568
 569   RestoreState();
 570
 571   if (m_waitflags & 0x40) {
 572     m_waitflags = 0;
 573     return TRUE;
 574   }
 575   m_waitflags = 0;
 576
 577   return FALSE;
 578 }
 579
 580 bool wxSocketBase::Wait(long seconds, long microseconds)
 581 {
 582   return _Wait(seconds, microseconds, REQ_ACCEPT | REQ_CONNECT |
 583                                       REQ_READ | REQ_WRITE | REQ_LOST);
 584 }
 585
 586 bool wxSocketBase::WaitForRead(long seconds, long microseconds)
 587 {
 588   return _Wait(seconds, microseconds, REQ_READ | REQ_LOST);
 589 }
 590
 591 bool wxSocketBase::WaitForWrite(long seconds, long microseconds)
 592 {
 593   return _Wait(seconds, microseconds, REQ_WRITE);
 594 }
 595
 596 bool wxSocketBase::WaitForLost(long seconds, long microseconds)
 597 {
 598   return _Wait(seconds, microseconds, REQ_LOST);
 599 }
 600
 601 // --------------------------------------------------------------
 602 // --------- wxSocketBase callback management -------------------
 603 // --------------------------------------------------------------
 604
 605 #if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__)
 606 #if defined(__WXMOTIF__) || defined(__WXXT__)
 607 static void wx_socket_read(XtPointer client, int *fid,
 608                            XtInputId *WXUNUSED(id))
 609 #define fd *fid
 610 #else
 611 static void wx_socket_read(gpointer client, gint fd,
 612                            GdkInputCondition WXUNUSED(cond))
 613 #define fd fd
 614 #endif
 615 {
 616   wxSocketBase *sock = (wxSocketBase *)client;
 617   char c;
 618   int i;
 619
 620   i = recv(fd, &c, 1, MSG_PEEK);
 621
 622   if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) {
 623     sock->OnRequest(wxSocketBase::EVT_ACCEPT);
 624     return;
 625   }
 626
 627   if (i != 0) {
 628     if (!(sock->NeededReq() & wxSocketBase::REQ_READ))
 629       return;
 630
 631     sock->OnRequest(wxSocketBase::EVT_READ);
 632   } else {
 633     if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) {
 634       sock->Close();
 635       return;
 636     }
 637
 638     sock->OnRequest(wxSocketBase::EVT_LOST);
 639   }
 640 }
 641 #undef fd
 642
 643 #if defined(__WXMOTIF__) || defined(__WXXT__)
 644 static void wx_socket_write(XtPointer client, int *WXUNUSED(fid),
 645                             XtInputId *WXUNUSED(id))
 646 #else
 647 static void wx_socket_write(gpointer client, gint WXUNUSED(fd),
 648                             GdkInputCondition WXUNUSED(cond))
 649 #endif
 650 {
 651   wxSocketBase *sock = (wxSocketBase *)client;
 652
 653   if (!sock->IsConnected())
 654     sock->OnRequest(wxSocketBase::EVT_CONNECT);
 655   else
 656     sock->OnRequest(wxSocketBase::EVT_WRITE);
 657 }
 658 #endif
 659
 660 #ifdef wx_xview
 661 Notify_value wx_sock_read_xview (Notify_client client, int fd)
 662 {
 663   wxSocketBase *sock = (wxSocketBase *)client;
 664   char c;
 665   int i;
 666
 667   i = recv(fd, &c, 1, MSG_PEEK);
 668
 669   if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) {
 670     sock->OnRequest(wxSocketBase::EVT_ACCEPT);
 671     return;
 672   }
 673
 674   /* Bytes arrived */
 675   if (i != 0) {
 676     if (!(sock->NeededReq() & wxSocketBase::REQ_READ))
 677       return (Notify_value) FALSE;
 678
 679     sock->OnRequest(wxSocketBase::EVT_READ);
 680   } else {
 681     if (!(sock->NeededReq() & wxSocketBase::REQ_LOST))
 682       return;
 683
 684     sock->OnRequest(wxSocketBase::EVT_LOST);
 685   }
 686
 687   return (Notify_value) FALSE;
 688 }
 689
 690 Notify_value wx_sock_write_xview (Notify_client client, int fd)
 691 {
 692   wxSocketBase *sock = (wxSocketBase *)client;
 693
 694   if (!sock->IsConnected())
 695     sock->OnRequest(wxSocketBase::EVT_CONNECT);
 696   else
 697     sock->OnRequest(wxSocketBase::EVT_WRITE);
 698
 699   return (Notify_value) TRUE;
 700 }
 701 #endif
 702
 703 wxSocketBase::wxRequestNotify wxSocketBase::EventToNotify(wxRequestEvent evt)
 704 {
 705   switch (evt)
 706   {
 707   case EVT_READ:
 708     return REQ_READ;
 709   case EVT_PEEK:
 710     return REQ_PEEK;
 711   case EVT_WRITE:
 712     return REQ_WRITE;
 713   case EVT_LOST:
 714     return REQ_LOST;
 715   case EVT_ACCEPT:
 716     return REQ_ACCEPT;
 717   case EVT_CONNECT:
 718     return REQ_CONNECT;
 719   }
 720   return 0;
 721 }
 722
 723 void wxSocketBase::SetFlags(wxSockFlags _flags)
 724 {
 725   m_flags = _flags;
 726   if (_flags & SPEED)
 727   {
 728     unsigned long flag = 0;
 729     ioctl(m_fd, FIONBIO, &flag);
 730
 731     // SPEED and WAITALL are antagonists.
 732     m_flags = (wxSockFlags)(m_flags & ~WAITALL);
 733
 734     Notify(FALSE);
 735   }
 736   else
 737   {
 738     unsigned long flag = 1;
 739     ioctl(m_fd, FIONBIO, &flag);
 740   }
 741 }
 742
 743 void wxSocketBase::SetNotify(wxRequestNotify flags)
 744 {
 745   wxRequestNotify old_needed_req = m_neededreq;
 746   if (flags & REQ_ACCEPT)
 747   {
 748     /* Check if server */
 749     if (!(GetClassInfo()->IsKindOf(CLASSINFO(wxSocketServer))))
 750       flags &= ~REQ_ACCEPT;
 751   }
 752   m_neededreq = flags;
 753
 754 /*
 755   if (m_cbkon && old_needed_req != flags)    seems to be wrong, Robert Roebling
 756     SetupCallbacks();
 757 */
 758
 759   if ((!m_cbkon) || (old_needed_req != flags))
 760     SetupCallbacks();
 761 }
 762
 763 void wxSocketBase::SetupCallbacks()
 764 {
 765   if (m_fd == INVALID_SOCKET || !m_handler || (m_flags & SPEED))
 766     return;
 767
 768 #if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__)
 769   if (m_cbkon)
 770     DestroyCallbacks();
 771   if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) {
 772 #ifdef __WXGTK__
 773     m_internal->sock_inputid = gdk_input_add(m_fd, GDK_INPUT_READ,
 774                                            wx_socket_read, (gpointer)this);
 775 #else
 776     m_internal->sock_inputid = XtAppAddInput (wxAPP_CONTEXT, m_fd,
 777                                         (XtPointer *) XtInputReadMask,
 778                                         (XtInputCallbackProc) wx_socket_read,
 779                                         (XtPointer) this);
 780 #endif
 781   }
 782   if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) {
 783 #ifdef __WXGTK__
 784     m_internal->sock_outputid = gdk_input_add(m_fd, GDK_INPUT_WRITE,
 785                                              wx_socket_write, (gpointer)this);
 786 #else
 787     m_internal->sock_outputid = XtAppAddInput (wxAPP_CONTEXT, m_fd,
 788                                         (XtPointer *) XtInputWriteMask,
 789                                         (XtInputCallbackProc) wx_socket_write,
 790                                         (XtPointer) this);
 791 #endif
 792   }
 793 #endif
 794 #ifdef __WINDOWS__
 795   WORD mask = 0;
 796
 797   if (m_neededreq & REQ_READ)
 798     mask |= FD_READ;
 799   if (m_neededreq & REQ_WRITE)
 800     mask |= FD_WRITE;
 801   if (m_neededreq & REQ_LOST)
 802     mask |= FD_CLOSE;
 803   if (m_neededreq & REQ_ACCEPT)
 804     mask |= FD_ACCEPT;
 805   if (m_neededreq & REQ_CONNECT)
 806     mask |= FD_CONNECT;
 807
 808   if (!m_internal->my_msg)
 809     m_internal->my_msg = m_handler->NewMessage(this);
 810   WSAAsyncSelect(m_fd, m_handler->GetHWND(), m_internal->my_msg, mask);
 811 #endif
 812   m_cbkon = TRUE;
 813   m_processing = FALSE;
 814 }
 815
 816 void wxSocketBase::DestroyCallbacks()
 817 {
 818   if (!m_cbkon || !m_handler)
 819     return;
 820
 821   m_cbkon = FALSE;
 822   m_processing = FALSE;
 823 #if defined(__WXMOTIF__) || defined(__WXXT__)
 824   if (m_internal->sock_inputid > 0)
 825     XtRemoveInput(m_internal->sock_inputid);
 826   m_internal->sock_inputid = 0;
 827   if (m_internal->sock_outputid > 0)
 828     XtRemoveInput(m_internal->sock_outputid);
 829   m_internal->sock_outputid = 0;
 830 #endif
 831 #ifdef __WXGTK__
 832   if (m_internal->sock_inputid > 0)
 833     gdk_input_remove(m_internal->sock_inputid);
 834   m_internal->sock_inputid = 0;
 835   if (m_internal->sock_outputid > 0)
 836     gdk_input_remove(m_internal->sock_outputid);
 837   m_internal->sock_outputid = 0;
 838 #endif
 839 #ifdef __WINDOWS__
 840   WSAAsyncSelect(m_fd, m_handler->GetHWND(), 0, 0);
 841 #endif
 842 }
 843
 844 void wxSocketBase::Notify(bool notify)
 845 {
 846   if (m_notifyme == notify)
 847     return;
 848   if (notify)
 849     SetupCallbacks();
 850   else
 851     DestroyCallbacks();
 852   m_notifyme = notify;
 853 }
 854
 855 void wxSocketBase::OnRequest(wxRequestEvent req_evt)
 856 {
 857   wxRequestNotify req_notif = EventToNotify(req_evt);
 858
 859   // Mask the current event
 860   SetNotify(m_neededreq & ~req_notif);
 861
 862   if (req_evt <= EVT_WRITE && DoRequests(req_evt))
 863     return;
 864
 865   if (m_waitflags & 0xF0)
 866   {
 867     // Wake up
 868     if ((m_waitflags & 0x0F) == req_evt)
 869     {
 870       m_waitflags = 0x80;
 871 #ifndef __WXGTK__
 872       DestroyCallbacks();  // I disable it to prevent infinite loop on X11.
 873 #endif
 874     }
 875     return;
 876   }
 877
 878   if (req_evt == EVT_LOST)
 879   {
 880     m_connected = FALSE;
 881     Close();
 882   }
 883   if (m_notifyme)
 884     OldOnNotify(req_evt);
 885
 886   // Unmask
 887   SetNotify(m_neededreq | req_notif);
 888 }
 889
 890 wxSocketEvent::wxSocketEvent(int id)
 891   : wxEvent(id)
 892 {
 893   wxEventType type = (wxEventType)wxEVT_SOCKET;
 894
 895   SetEventType(type);
 896 }
 897
 898 void wxSocketBase::OldOnNotify(wxRequestEvent evt)
 899 {
 900   wxSocketEvent event(m_id);
 901
 902   event.SetEventObject(this);
 903   event.m_skevt = evt;
 904   ProcessEvent(event);
 905
 906   if (m_cbk)
 907     m_cbk(*this, evt, m_cdata);
 908 }
 909
 910 // --------------------------------------------------------------
 911 // --------- wxSocketBase functions [Callback, CallbackData] ----
 912 // --------------------------------------------------------------
 913
 914 wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSocketBase::wxSockCbk _cbk)
 915 {
 916   wxSockCbk old_cbk = m_cbk;
 917
 918   m_cbk = _cbk;
 919   return old_cbk;
 920 }
 921
 922 char *wxSocketBase::CallbackData(char *cdata_)
 923 {
 924   char *old_cdata = m_cdata;
 925
 926   m_cdata = cdata_;
 927   return old_cdata;
 928 }
 929
 930 void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id)
 931 {
 932   SetNextHandler(&h_evt);
 933   m_id = id;
 934 }
 935
 936 // --------------------------------------------------------------
 937 // --------- wxSocketBase pushback library ----------------------
 938 // --------------------------------------------------------------
 939
 940 void wxSocketBase::CreatePushbackAfter(const char *buffer, size_t size)
 941 {
 942   char *curr_pos;
 943
 944   m_unread = (char *) realloc(m_unread, m_unrd_size+size);
 945   curr_pos = m_unread + m_unrd_size;
 946
 947   memcpy(curr_pos, buffer, size);
 948   m_unrd_size += size;
 949 }
 950
 951 void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size)
 952 {
 953   char *curr_pos, *new_buf;
 954
 955   new_buf = (char *) malloc(m_unrd_size+size);
 956   curr_pos = new_buf + size;
 957
 958   memcpy(new_buf, buffer, size);
 959   memcpy(curr_pos, m_unread, m_unrd_size);
 960
 961   free(m_unread);
 962   m_unread = new_buf;
 963   m_unrd_size += size;
 964 }
 965
 966 size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek)
 967 {
 968   if (!m_unrd_size)
 969     return 0;
 970
 971   if (size > m_unrd_size)
 972     size = m_unrd_size;
 973   memcpy(buffer, m_unread, size);
 974
 975   if (!peek) {
 976     m_unrd_size -= size;
 977     if (!m_unrd_size) {
 978       free(m_unread);
 979       m_unread = NULL;
 980     }
 981   }
 982
 983   return size;
 984 }
 985
 986 // --------------------------------------------------------------
 987 // --------- wxSocketBase "multi-thread" core -------------------
 988 // --------------------------------------------------------------
 989
 990 bool wxSocketBase::DoRequests(wxRequestEvent req_flag)
 991 {
 992   wxNode *node = req_list[req_flag].First();
 993   size_t len;
 994   int ret;
 995
 996   if (!node)
 997     return FALSE;
 998
 999   SockRequest *req = (SockRequest *)node->Data();
1000
1001   delete node;
1002
1003   switch (req->type)
1004   {
1005   case EVT_READ:
1006   case EVT_PEEK:
1007     ret = recv(m_fd, req->buffer, req->size,
1008                (req->type == EVT_PEEK) ? MSG_PEEK : 0);
1009     if (ret < 0) {
1010       req->error = errno;
1011       req->done = TRUE;
1012       break;
1013     }
1014     len = ret;
1015     if ((len < req->size) && (m_flags & WAITALL)) {
1016       req->size -= len;
1017       req->nbytes += len;
1018       req->buffer += len;
1019       req->auto_wakeup->Start(m_timeout*1000, TRUE);
1020       req_list[req_flag].Insert(req);
1021       break;
1022     }
1023     req->done = TRUE;
1024     req->nbytes += len;
1025 #ifndef __WXGTK__
1026     DestroyCallbacks();
1027 #endif
1028     break;
1029   case EVT_WRITE:
1030     ret = send(m_fd, req->buffer, req->size, 0);
1031     if (ret < 0) {
1032       req->error = errno;
1033       req->done = TRUE;
1034       break;
1035     }
1036     len = ret;
1037     if ((len < req->size) && (m_flags & WAITALL)) {
1038       req->size -= len;
1039       req->nbytes += len;
1040       req->buffer += len;
1041       req->auto_wakeup->Start(m_timeout*1000, TRUE);
1042       req_list[req_flag].Insert(req);
1043       break;
1044     }
1045     req->done = TRUE;
1046     req->nbytes += len;
1047 #ifndef __WXGTK__
1048     DestroyCallbacks();
1049 #endif
1050     break;
1051   default:
1052     return FALSE;
1053   }
1054   return TRUE;
1055 }
1056
1057 void wxSocketBase::WantSpeedBuffer(char *buffer, size_t nbytes,
1058                                    wxRequestEvent evt)
1059 {
1060   int ret = 0;
1061
1062   switch (evt) {
1063   case EVT_PEEK:
1064   case EVT_READ:
1065     ret = recv(m_fd, buffer, nbytes,
1066                (evt == EVT_PEEK) ? MSG_PEEK : 0);
1067     break;
1068   case EVT_WRITE:
1069     ret = send(m_fd, buffer, nbytes, 0);
1070     break;
1071   }
1072   if (ret < 0) {
1073     m_lcount = 0;
1074     m_error = errno;
1075   } else {
1076     m_lcount = ret;
1077     m_error = 0;
1078   }
1079 }
1080
1081 void wxSocketBase::WantBuffer(char *buffer, size_t nbytes,
1082                               wxRequestEvent evt)
1083 {
1084   bool buf_timed_out;
1085
1086   if (m_fd == INVALID_SOCKET || !m_handler || !m_connected)
1087     return;
1088
1089   if (m_flags & SPEED) {
1090     WantSpeedBuffer(buffer, nbytes, evt);
1091     return;
1092   }
1093
1094   SockRequest *buf = new SockRequest;
1095   wxSockWakeUp s_wake(NULL, (int *)&buf_timed_out, (int)TRUE);
1096
1097   m_wantbuf++;
1098   req_list[evt].Append(buf);
1099
1100   SaveState();
1101   SetNotify(REQ_LOST | EventToNotify(evt));
1102   SetupCallbacks();
1103   buf->buffer = buffer;
1104   buf->size = nbytes;
1105   buf->done = FALSE;
1106   buf->type = evt;
1107   buf->nbytes = 0;
1108   buf->auto_wakeup = &s_wake;
1109   buf->error = 0;
1110   buf_timed_out = FALSE;
1111
1112   s_wake.Start(m_timeout*1000, TRUE);
1113   if (m_flags & NOWAIT)
1114   {
1115     DoRequests(evt);
1116   }
1117   else
1118   {
1119     while (!buf->done && !buf_timed_out)
1120       PROCESS_EVENTS();
1121   }
1122   m_wantbuf--;
1123   m_lcount = buf->nbytes;
1124   if (buf_timed_out)
1125     m_error = ETIMEDOUT;
1126   else
1127     m_error = buf->error;
1128
1129   delete buf;
1130   RestoreState();
1131 }
1132
1133 // --------------------------------------------------------------
1134 // wxSocketServer ///////////////////////////////////////////////
1135 // --------------------------------------------------------------
1136
1137 // --------------------------------------------------------------
1138 // --------- wxSocketServer CONSTRUCTOR -------------------------
1139 // --------------------------------------------------------------
1140 wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
1141                                wxSockFlags flags) :
1142   wxSocketBase(flags, SOCK_SERVER)
1143 {
1144   m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
1145
1146   if (m_fd == INVALID_SOCKET)
1147     return;
1148
1149   int flag = 1;
1150   setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&flag, sizeof(int));
1151
1152   struct sockaddr *myaddr;
1153   size_t len;
1154
1155   addr_man.Build(myaddr, len);
1156   if (bind(m_fd, myaddr, addr_man.SockAddrLen()) < 0)
1157     return;
1158
1159   if (listen(m_fd, 5) < 0) {
1160     m_fd = INVALID_SOCKET;
1161     return;
1162   }
1163 }
1164
1165 // --------------------------------------------------------------
1166 // --------- wxSocketServer Accept ------------------------------
1167 // --------------------------------------------------------------
1168 bool wxSocketServer::AcceptWith(wxSocketBase& sock)
1169 {
1170   int fd2;
1171
1172   if ((fd2 = accept(m_fd, 0, 0)) < 0)
1173     return FALSE;
1174
1175   struct linger linger;
1176   linger.l_onoff = 0;
1177   linger.l_linger = 1;
1178
1179   setsockopt(fd2, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger));
1180
1181   int flag = 0;
1182   setsockopt(fd2, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int));
1183
1184   if (!(sock.m_flags & SPEED)) {
1185     unsigned long flag2 = 1;
1186     ioctl(fd2, FIONBIO, &flag2);
1187   }
1188
1189   sock.m_type = SOCK_INTERNAL;
1190   sock.m_fd = fd2;
1191   sock.m_connected = TRUE;
1192
1193   return TRUE;
1194 }
1195
1196 wxSocketBase *wxSocketServer::Accept()
1197 {
1198   wxSocketBase* sock = new wxSocketBase();
1199
1200   sock->SetFlags((wxSockFlags)m_flags);
1201
1202   if (!AcceptWith(*sock))
1203     return NULL;
1204
1205   if (m_handler)
1206     m_handler->Register(sock);
1207
1208   return sock;
1209 }
1210
1211 // --------------------------------------------------------------
1212 // --------- wxSocketServer callbacks ---------------------------
1213 // --------------------------------------------------------------
1214 void wxSocketServer::OnRequest(wxRequestEvent evt)
1215 {
1216   if (evt == EVT_ACCEPT) {
1217     OldOnNotify(EVT_ACCEPT);
1218   }
1219 }
1220
1221 // --------------------------------------------------------------
1222 // wxSocketClient ///////////////////////////////////////////////
1223 // --------------------------------------------------------------
1224
1225 // --------- wxSocketClient CONSTRUCTOR -------------------------
1226 // --------------------------------------------------------------
1227 wxSocketClient::wxSocketClient(wxSockFlags _flags) :
1228         wxSocketBase(_flags, SOCK_CLIENT)
1229 {
1230 }
1231
1232 // --------------------------------------------------------------
1233 // --------- wxSocketClient DESTRUCTOR --------------------------
1234 // --------------------------------------------------------------
1235 wxSocketClient::~wxSocketClient()
1236 {
1237 }
1238
1239 // --------------------------------------------------------------
1240 // --------- wxSocketClient Connect functions -------------------
1241 // --------------------------------------------------------------
1242 bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) )
1243 {
1244   struct linger linger;
1245
1246   if (IsConnected())
1247     Close();
1248
1249   m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
1250
1251   if (m_fd < 0)
1252     return FALSE;
1253
1254   m_connected = FALSE;
1255
1256   linger.l_onoff = 1;
1257   linger.l_linger = 5;
1258   setsockopt(m_fd, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger));
1259
1260   // Stay in touch with the state of things...
1261
1262   unsigned long flag = 1;
1263   setsockopt(m_fd, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int));
1264
1265   // Disable the nagle algorithm, which delays sends till the
1266   // buffer is full (or a certain time period has passed?)...
1267
1268 #if defined(__WINDOWS__) || (defined(IPPROTO_TCP) && defined(TCP_NODELAY))
1269   flag = 1;
1270   setsockopt(m_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int));
1271 #endif
1272
1273   struct sockaddr *remote;
1274   size_t len;
1275
1276   addr_man.Build(remote, len);
1277
1278   if (connect(m_fd, remote, len) != 0)
1279     return FALSE;
1280
1281   if (!(m_flags & SPEED)) {
1282     flag = 1;
1283     ioctl(m_fd, FIONBIO, &flag);
1284   }
1285
1286   Notify(TRUE);
1287
1288   m_connected = TRUE;
1289   return TRUE;
1290 }
1291
1292 bool wxSocketClient::WaitOnConnect(long seconds, long microseconds)
1293 {
1294   int ret = _Wait(seconds, microseconds, REQ_CONNECT | REQ_LOST);
1295
1296   if (ret)
1297     m_connected = TRUE;
1298
1299   return m_connected;
1300 }
1301
1302 void wxSocketClient::OnRequest(wxRequestEvent evt)
1303 {
1304   if (evt == EVT_CONNECT) {
1305     if (m_connected) {
1306       SetNotify(m_neededreq & ~REQ_CONNECT);
1307       return;
1308     }
1309     m_waitflags = 0x40;
1310     m_connected = TRUE;
1311     OldOnNotify(EVT_CONNECT);
1312     DestroyCallbacks();
1313     return;
1314   }
1315   wxSocketBase::OnRequest(evt);
1316 }
1317
1318 /////////////////////////////////////////////////////////////////
1319 // wxSocketHandler ///////////////////////////////////////////////
1320 /////////////////////////////////////////////////////////////////
1321
1322 wxSocketHandler *wxSocketHandler::master = NULL;
1323 #if defined(__WINDOWS__)
1324 static int win_initialized = 0;
1325 #endif
1326
1327 // --------------------------------------------------------------
1328 // --------- wxSocketHandler CONSTRUCTOR ------------------------
1329 // --------------------------------------------------------------
1330 #ifdef __WINDOWS__
1331
1332 extern char wxPanelClassName[];
1333
1334 LRESULT APIENTRY _EXPORT wxSocketHandlerWndProc(HWND hWnd, UINT message,
1335    WPARAM wParam, LPARAM lParam)
1336 {
1337   if(message==WM_DESTROY)
1338   {
1339           ::SetWindowLong(hWnd, GWL_WNDPROC, (LONG) DefWindowProc);
1340           return DefWindowProc(hWnd, message, wParam, lParam);
1341   }
1342   wxSocketHandler *h_sock = (wxSocketHandler *)GetWindowLong(hWnd, GWL_USERDATA);
1343   wxNode *node = h_sock->smsg_list->Find(message);
1344   wxSocketBase *sock;
1345   wxSocketBase::wxRequestEvent sk_req;
1346   UINT event = WSAGETSELECTEVENT(lParam);
1347
1348   if (!node)
1349     return DefWindowProc(hWnd, message, wParam, lParam);
1350
1351   sock = (wxSocketBase *)node->Data();
1352
1353   switch (event) {
1354   case FD_READ:
1355     sk_req = wxSocketBase::EVT_READ;
1356     break;
1357   case FD_WRITE:
1358     sk_req = wxSocketBase::EVT_WRITE;
1359     break;
1360   case FD_CLOSE:
1361     sk_req = wxSocketBase::EVT_LOST;
1362     break;
1363   case FD_ACCEPT:
1364     sk_req = wxSocketBase::EVT_ACCEPT;
1365     break;
1366   case FD_CONNECT:
1367     sk_req = wxSocketBase::EVT_CONNECT;
1368     break;
1369   }
1370   sock->OnRequest(sk_req);
1371
1372   return (LRESULT)0;
1373 }
1374
1375 FARPROC wxSocketSubClassProc = NULL;
1376
1377 #endif
1378
1379 wxSocketHandler::wxSocketHandler()
1380 {
1381 #if defined(__WINDOWS__)
1382   if (!win_initialized) {
1383     WSADATA wsaData;
1384
1385     WSAStartup((1 << 8) | 1, &wsaData);
1386     win_initialized = 1;
1387   }
1388   internal = new wxSockHandlerInternal;
1389   internal->sockWin = ::CreateWindow(wxPanelClassName, NULL, 0,
1390                 0, 0, 0, 0, NULL, (HMENU) NULL,
1391                 wxhInstance, 0);
1392
1393   // Subclass the window
1394   if (!wxSocketSubClassProc)
1395     wxSocketSubClassProc = MakeProcInstance((FARPROC) wxSocketHandlerWndProc, wxhInstance);
1396   ::SetWindowLong(internal->sockWin, GWL_WNDPROC, (LONG) wxSocketSubClassProc);
1397   ::SetWindowLong(internal->sockWin, GWL_USERDATA, (LONG) this);
1398
1399   internal->firstAvailableMsg = 5000;
1400   smsg_list = new wxList(wxKEY_INTEGER);
1401 #endif
1402
1403   socks = new wxList;
1404
1405 #ifndef __WINDOWS__
1406   signal(SIGPIPE, SIG_IGN);
1407 #endif
1408 }
1409
1410 // --------------------------------------------------------------
1411 // --------- wxSocketHandler DESTRUCTOR -------------------------
1412 // --------------------------------------------------------------
1413 wxSocketHandler::~wxSocketHandler()
1414 {
1415   wxNode *next_node, *node = socks->First();
1416
1417   while (node) {
1418     wxSocketBase* sock = (wxSocketBase*)node->Data();
1419
1420     delete sock;
1421     next_node = node->Next();
1422     delete node;
1423     node = next_node;
1424   }
1425
1426   delete socks;
1427
1428 #ifdef __WINDOWS__
1429   delete smsg_list;
1430
1431   ::DestroyWindow(internal->sockWin);
1432   WSACleanup();
1433   win_initialized = 0;
1434
1435   delete internal;
1436 #endif
1437 }
1438
1439 // --------------------------------------------------------------
1440 // --------- wxSocketHandler registering functions --------------
1441 // --------------------------------------------------------------
1442 void wxSocketHandler::Register(wxSocketBase* sock)
1443 {
1444   wxNode *node;
1445
1446   for (node = socks->First(); node != NULL; node = node->Next()) {
1447     wxSocketBase* s = (wxSocketBase*)node->Data();
1448
1449     if (s == sock)
1450       return;
1451   }
1452
1453   if (sock) {
1454     socks->Append(sock);
1455     sock->SetHandler(this);
1456     sock->SetupCallbacks();
1457   }
1458 }
1459
1460 void wxSocketHandler::UnRegister(wxSocketBase* sock)
1461 {
1462   wxNode *node;
1463
1464   for (node = socks->First(); node; node = node->Next()) {
1465     wxSocketBase* s = (wxSocketBase*)node->Data();
1466
1467     if (s == sock) {
1468       delete node;
1469       sock->DestroyCallbacks();
1470       sock->SetHandler(NULL);
1471       return;
1472     }
1473   }
1474 }
1475
1476 unsigned long wxSocketHandler::Count() const
1477 {
1478   return socks->Number();
1479 }
1480
1481 // --------------------------------------------------------------
1482 // --------- wxSocketHandler "big" wait functions ---------------
1483 // --------------------------------------------------------------
1484 void handler_cbk(wxSocketBase& sock,
1485                  wxSocketBase::wxRequestEvent WXUNUSED(flags),
1486                  char *cdata)
1487 {
1488   int *a_wait = (int *)cdata;
1489
1490   (*a_wait)++;
1491   sock.Notify(FALSE);
1492 }
1493
1494 int wxSocketHandler::Wait(long seconds, long microseconds)
1495 {
1496   int i;
1497   int on_wait;
1498   wxSockWakeUp s_wake(NULL, &on_wait, -2);
1499   wxNode *node;
1500
1501   for (node = socks->First(), i=0; node; node = node->Next(), i++) {
1502     wxSocketBase *sock = (wxSocketBase *)node->Data();
1503
1504     sock->SaveState();
1505
1506     sock->SetupCallbacks();
1507
1508     sock->Callback(handler_cbk);
1509     sock->CallbackData((char *)&on_wait);
1510   }
1511   on_wait = 0;
1512   if (seconds != -1)
1513     s_wake.Start((seconds*1000) + (microseconds/1000), TRUE);
1514
1515   while (!on_wait)
1516     PROCESS_EVENTS();
1517
1518   for (node = socks->First(), i=0; node; node = node->Next(), i++) {
1519     wxSocketBase *sock = (wxSocketBase *)node->Data();
1520
1521     sock->RestoreState();
1522   }
1523
1524   if (on_wait == -2)
1525     return 0;
1526
1527   return on_wait;
1528 }
1529
1530 void wxSocketHandler::YieldSock()
1531 {
1532   wxNode *node;
1533
1534   for (node = socks->First(); node; node = node->Next() ) {
1535     wxSocketBase *sock = (wxSocketBase *)node->Data();
1536
1537     sock->SaveState();
1538
1539     sock->SetFlags(wxSocketBase::SPEED);
1540     if (sock->IsData())
1541       sock->DoRequests(wxSocketBase::EVT_READ);
1542     sock->DoRequests(wxSocketBase::EVT_WRITE);
1543
1544     sock->RestoreState();
1545   }
1546 }
1547
1548 // --------------------------------------------------------------
1549 // --------- wxSocketHandler: create and register the socket ----
1550 // --------------------------------------------------------------
1551 wxSocketServer *wxSocketHandler::CreateServer(wxSockAddress& addr,
1552                                               wxSocketBase::wxSockFlags flags)
1553 {
1554   wxSocketServer *serv = new wxSocketServer(addr, flags);
1555
1556   Register(serv);
1557   return serv;
1558 }
1559
1560 wxSocketClient *wxSocketHandler::CreateClient(wxSocketBase::wxSockFlags flags)
1561 {
1562   wxSocketClient *client = new wxSocketClient(flags);
1563
1564   Register(client);
1565   return client;
1566 }
1567
1568 #ifdef __WINDOWS__
1569 // --------------------------------------------------------------
1570 // --------- wxSocketHandler: Windows specific methods ----------
1571 // --------------------------------------------------------------
1572 UINT wxSocketHandler::NewMessage(wxSocketBase *sock)
1573 {
1574   internal->firstAvailableMsg++;
1575   smsg_list->Append(internal->firstAvailableMsg, sock);
1576   return internal->firstAvailableMsg;
1577 }
1578
1579 void wxSocketHandler::DestroyMessage(UINT msg)
1580 {
1581   wxNode *node = smsg_list->Find(msg);
1582   delete node;
1583 }
1584
1585 HWND wxSocketHandler::GetHWND() const
1586 {
1587   return internal->sockWin;
1588 }
1589
1590 #endif
1591
1592 bool wxSocketModule::OnInit() {
1593   wxSocketHandler::master = new wxSocketHandler();
1594   return TRUE;
1595 }
1596
1597 void wxSocketModule::OnExit() {
1598   delete wxSocketHandler::master;
1599   wxSocketHandler::master = NULL;
1600 }
1601
1602 #endif
1603   // __WXSTUBS__