| 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 | #endif |
| 15 | |
| 16 | #ifdef __MWERKS__ |
| 17 | typedef int socklen_t ; |
| 18 | #endif |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #if wxUSE_SOCKETS |
| 28 | |
| 29 | ///////////////////////////////////////////////////////////////////////////// |
| 30 | // wxWindows headers |
| 31 | ///////////////////////////////////////////////////////////////////////////// |
| 32 | #include <wx/defs.h> |
| 33 | #include <wx/object.h> |
| 34 | #include <wx/string.h> |
| 35 | #include <wx/timer.h> |
| 36 | #include <wx/utils.h> |
| 37 | |
| 38 | // Not enough OS behaviour defined for wxStubs |
| 39 | #ifndef __WXSTUBS__ |
| 40 | |
| 41 | #include <stdlib.h> |
| 42 | #include <string.h> |
| 43 | #include <ctype.h> |
| 44 | |
| 45 | ///////////////////////////////////////////////////////////////////////////// |
| 46 | // System specific headers |
| 47 | ///////////////////////////////////////////////////////////////////////////// |
| 48 | #ifdef __WXMAC__ |
| 49 | // in order to avoid problems with our c library and double definitions |
| 50 | #define close closesocket |
| 51 | #define ioctl ioctlsocket |
| 52 | |
| 53 | #include <wx/mac/macsock.h> |
| 54 | extern GUSISpinFn GUSISpin; |
| 55 | #define PROCESS_EVENTS() wxMacProcessEvents() |
| 56 | const short kwxMacNetEventsMax = 1000 ; |
| 57 | short wxMacNetEventsTop = 0 ; |
| 58 | short wxMacNetEventsBottom = 0 ; |
| 59 | short wxMacNetEventsEvents[kwxMacNetEventsMax] ; |
| 60 | void *wxMacNetEventsReferences[kwxMacNetEventsMax] ; |
| 61 | |
| 62 | #define FD_READ 1 |
| 63 | #define FD_WRITE 2 |
| 64 | #define FD_CLOSE 4 |
| 65 | #define FD_ACCEPT 8 |
| 66 | #define FD_CONNECT 16 |
| 67 | #define FD_READY 32 |
| 68 | |
| 69 | extern "C" void wxMacSocketHandlerProc( void *refcon , short event ) ; // adds events |
| 70 | extern "C" void wxMacSocketOnRequestProc( void *refcon , short event ) ; // consumes them |
| 71 | extern "C" void GUSISetReference( short sock , short eventmask , void * data ) ; |
| 72 | void wxMacProcessEvents() ; |
| 73 | #endif |
| 74 | |
| 75 | #if defined(__WINDOWS__) |
| 76 | #include <winsock.h> |
| 77 | #endif // __WINDOWS__ |
| 78 | |
| 79 | #if defined(__UNIX__) |
| 80 | |
| 81 | #ifdef VMS |
| 82 | #include <socket.h> |
| 83 | #else |
| 84 | #include <sys/socket.h> |
| 85 | #endif |
| 86 | #include <sys/ioctl.h> |
| 87 | |
| 88 | #include <sys/time.h> |
| 89 | #include <unistd.h> |
| 90 | |
| 91 | #ifdef sun |
| 92 | #include <sys/filio.h> |
| 93 | #endif |
| 94 | |
| 95 | #endif // __UNIX__ |
| 96 | |
| 97 | #include <signal.h> |
| 98 | #include <errno.h> |
| 99 | |
| 100 | #ifdef __VISUALC__ |
| 101 | #include <io.h> |
| 102 | #endif |
| 103 | |
| 104 | #if defined(__WXMOTIF__) || defined(__WXXT__) |
| 105 | #include <X11/Intrinsic.h> |
| 106 | |
| 107 | ///////////////////////////// |
| 108 | // Needs internal variables |
| 109 | ///////////////////////////// |
| 110 | #ifdef __WXXT__ |
| 111 | #define Uses_XtIntrinsic |
| 112 | #endif |
| 113 | |
| 114 | #endif |
| 115 | |
| 116 | #if defined(__WXGTK__) |
| 117 | #include <gtk/gtk.h> |
| 118 | #endif |
| 119 | |
| 120 | ///////////////////////////////////////////////////////////////////////////// |
| 121 | // wxSocket headers |
| 122 | ///////////////////////////////////////////////////////////////////////////// |
| 123 | #include "wx/module.h" |
| 124 | #define WXSOCK_INTERNAL |
| 125 | #include "wx/sckaddr.h" |
| 126 | #include "wx/socket.h" |
| 127 | |
| 128 | ///////////////////////////////////////////////////////////////////////////// |
| 129 | // Some patch ///// BEGIN |
| 130 | ///////////////////////////////////////////////////////////////////////////// |
| 131 | #ifdef __WINDOWS__ |
| 132 | #define close closesocket |
| 133 | #define ioctl ioctlsocket |
| 134 | #ifdef errno |
| 135 | #undef errno |
| 136 | #endif |
| 137 | #define errno WSAGetLastError() |
| 138 | #ifdef EWOULDBLOCK |
| 139 | #undef EWOULDBLOCK |
| 140 | #endif |
| 141 | #define EWOULDBLOCK WSAEWOULDBLOCK |
| 142 | #define ETIMEDOUT WSAETIMEDOUT |
| 143 | #undef EINTR |
| 144 | #define EINTR WSAEINTR |
| 145 | #endif |
| 146 | |
| 147 | #ifndef __WINDOWS__ |
| 148 | #define INVALID_SOCKET -1 |
| 149 | #endif |
| 150 | |
| 151 | #ifdef __WXMOTIF__ |
| 152 | #define wxAPP_CONTEXT ((XtAppContext)wxTheApp->GetAppContext()) |
| 153 | #endif |
| 154 | |
| 155 | #ifdef __WINDOWS__ |
| 156 | // This is an MS TCP/IP routine and is not needed here. Some WinSock |
| 157 | // implementations (such as PC-NFS) will require you to include this |
| 158 | // or a similar routine (see appendix in WinSock doc or help file). |
| 159 | |
| 160 | #if defined( NEED_WSAFDIsSet ) || defined( __VISUALC__ ) |
| 161 | int PASCAL FAR __WSAFDIsSet(SOCKET fd, fd_set FAR *set) |
| 162 | { |
| 163 | int i = set->fd_count; |
| 164 | |
| 165 | while (i--) |
| 166 | { |
| 167 | if (set->fd_array[i] == fd) |
| 168 | return 1; |
| 169 | } |
| 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | #endif |
| 174 | #endif |
| 175 | |
| 176 | #if defined(__WINDOWS__) |
| 177 | #define PROCESS_EVENTS() wxYield() |
| 178 | #elif defined(__WXXT__) || defined(__WXMOTIF__) |
| 179 | #define PROCESS_EVENTS() XtAppProcessEvent(wxAPP_CONTEXT, XtIMAll) |
| 180 | #elif defined(__WXGTK__) |
| 181 | #define PROCESS_EVENTS() gtk_main_iteration() |
| 182 | #endif |
| 183 | |
| 184 | ///////////////////////////////////////////////////////////////////////////// |
| 185 | // Some patch ///// END |
| 186 | ///////////////////////////////////////////////////////////////////////////// |
| 187 | |
| 188 | #ifdef GetClassInfo |
| 189 | #undef GetClassInfo |
| 190 | #endif |
| 191 | |
| 192 | // -------------------------------------------------------------- |
| 193 | // Module |
| 194 | // -------------------------------------------------------------- |
| 195 | class wxSocketModule: public wxModule |
| 196 | { |
| 197 | DECLARE_DYNAMIC_CLASS(wxSocketModule) |
| 198 | public: |
| 199 | wxSocketModule() {} |
| 200 | bool OnInit(); |
| 201 | void OnExit(); |
| 202 | }; |
| 203 | |
| 204 | // -------------------------------------------------------------- |
| 205 | // ClassInfos |
| 206 | // -------------------------------------------------------------- |
| 207 | #if !USE_SHARED_LIBRARY |
| 208 | IMPLEMENT_CLASS(wxSocketBase, wxObject) |
| 209 | IMPLEMENT_CLASS(wxSocketServer, wxSocketBase) |
| 210 | IMPLEMENT_CLASS(wxSocketClient, wxSocketBase) |
| 211 | IMPLEMENT_CLASS(wxSocketHandler, wxObject) |
| 212 | IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent) |
| 213 | IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule) |
| 214 | #endif |
| 215 | |
| 216 | class wxSockWakeUp : public wxTimer |
| 217 | { |
| 218 | public: |
| 219 | int *my_id; |
| 220 | int n_val; |
| 221 | wxSocketBase *sock; |
| 222 | |
| 223 | wxSockWakeUp(wxSocketBase *_sock, int *id, int new_val) |
| 224 | { |
| 225 | my_id = id; n_val = new_val; |
| 226 | sock = _sock; |
| 227 | } |
| 228 | virtual void Notify() |
| 229 | { |
| 230 | *my_id = n_val; |
| 231 | if (sock) sock->Notify(FALSE); |
| 232 | } |
| 233 | }; |
| 234 | |
| 235 | /// Socket request |
| 236 | class SockRequest : public wxObject |
| 237 | { |
| 238 | public: |
| 239 | char *buffer; |
| 240 | size_t size, nbytes; |
| 241 | bool done; |
| 242 | int error; |
| 243 | wxSockWakeUp *auto_wakeup; |
| 244 | wxSocketBase::wxRequestNotify type; |
| 245 | }; |
| 246 | |
| 247 | |
| 248 | ///////////////////////////////////////////////////////////////////////////// |
| 249 | // Some internal define |
| 250 | ///////////////////////////////////////////////////////////////////////////// |
| 251 | |
| 252 | // -------------------------------------------------------------- |
| 253 | // --------- wxSocketBase CONSTRUCTOR --------------------------- |
| 254 | // -------------------------------------------------------------- |
| 255 | wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags, |
| 256 | wxSocketBase::wxSockType _type) : |
| 257 | wxEvtHandler(), |
| 258 | m_flags(_flags), m_type(_type), m_connected(FALSE), m_connecting(FALSE), |
| 259 | m_fd(INVALID_SOCKET), m_waitflags(0), m_cbk(0), m_cdata(0), m_id(-1), |
| 260 | m_handler(0), |
| 261 | m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)), |
| 262 | m_cbkon(FALSE), |
| 263 | m_unread(NULL), m_unrd_size(0), |
| 264 | m_processing(FALSE), |
| 265 | m_timeout(3600), m_wantbuf(0) |
| 266 | { |
| 267 | m_internal = new wxSockInternal; |
| 268 | #if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__) |
| 269 | m_internal->sock_inputid = 0; |
| 270 | m_internal->sock_outputid = 0; |
| 271 | m_internal->sock_exceptid = 0; |
| 272 | #endif |
| 273 | #ifdef __WINDOWS__ |
| 274 | m_internal->my_msg = 0; |
| 275 | #endif |
| 276 | } |
| 277 | |
| 278 | wxSocketBase::wxSocketBase() : |
| 279 | wxEvtHandler(), |
| 280 | m_flags(WAITALL), m_type(SOCK_UNINIT), m_connected(FALSE), |
| 281 | m_connecting(FALSE), m_fd(INVALID_SOCKET), m_waitflags(0), |
| 282 | m_cbk(0), m_cdata(0), |
| 283 | m_id(-1), m_handler(0), |
| 284 | m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)), |
| 285 | m_cbkon(FALSE), |
| 286 | m_unread(NULL), m_unrd_size(0), |
| 287 | m_processing(FALSE), |
| 288 | m_timeout(3600), m_wantbuf(0) |
| 289 | { |
| 290 | m_internal = new wxSockInternal; |
| 291 | #if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__) |
| 292 | m_internal->sock_inputid = 0; |
| 293 | m_internal->sock_outputid = 0; |
| 294 | m_internal->sock_exceptid = 0; |
| 295 | #endif |
| 296 | #ifdef __WINDOWS__ |
| 297 | m_internal->my_msg = 0; |
| 298 | #endif |
| 299 | } |
| 300 | |
| 301 | // -------------------------------------------------------------- |
| 302 | // wxSocketBase |
| 303 | // -------------------------------------------------------------- |
| 304 | |
| 305 | wxSocketBase::~wxSocketBase() |
| 306 | { |
| 307 | DestroyCallbacks(); |
| 308 | Close(); |
| 309 | |
| 310 | if (m_unread) |
| 311 | free(m_unread); |
| 312 | if (m_handler) |
| 313 | { |
| 314 | #ifdef __WINDOWS__ |
| 315 | if (m_internal->my_msg) |
| 316 | m_handler->DestroyMessage(m_internal->my_msg); |
| 317 | #endif |
| 318 | m_handler->UnRegister(this); |
| 319 | } |
| 320 | m_states.DeleteContents(TRUE); |
| 321 | |
| 322 | delete m_internal; |
| 323 | } |
| 324 | |
| 325 | bool wxSocketBase::Close() |
| 326 | { |
| 327 | if (m_fd != INVALID_SOCKET) |
| 328 | { |
| 329 | for (int i=0;i<3;i++) |
| 330 | { |
| 331 | wxNode *n, *node = req_list[i].First(); |
| 332 | |
| 333 | while (node) |
| 334 | { |
| 335 | SockRequest *req = (SockRequest *)node->Data(); |
| 336 | req->done = TRUE; |
| 337 | |
| 338 | n = node->Next(); |
| 339 | delete node; |
| 340 | node = n; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | DestroyCallbacks(); |
| 345 | shutdown(m_fd, 2); |
| 346 | close(m_fd); |
| 347 | m_fd = INVALID_SOCKET; |
| 348 | m_connected = FALSE; |
| 349 | } |
| 350 | |
| 351 | return TRUE; |
| 352 | } |
| 353 | |
| 354 | // -------------------------------------------------------------- |
| 355 | // wxSocketBase base IO function |
| 356 | // -------------------------------------------------------------- |
| 357 | |
| 358 | wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes) |
| 359 | { |
| 360 | size_t count; |
| 361 | |
| 362 | count = GetPushback(buffer, nbytes, FALSE); |
| 363 | nbytes -= count; |
| 364 | buffer += count; |
| 365 | |
| 366 | // If we have got the whole needed buffer or if we don't want to |
| 367 | // wait then it returns immediately. |
| 368 | if (!nbytes || (count && !(m_flags & WAITALL)) ) { |
| 369 | m_lcount = count; |
| 370 | return *this; |
| 371 | } |
| 372 | |
| 373 | m_lcount = 0; |
| 374 | WantBuffer(buffer, nbytes, EVT_READ); |
| 375 | m_lcount += count; |
| 376 | |
| 377 | return *this; |
| 378 | } |
| 379 | |
| 380 | wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes) |
| 381 | { |
| 382 | size_t count; |
| 383 | |
| 384 | count = GetPushback(buffer, nbytes, TRUE); |
| 385 | if (nbytes-count == 0) |
| 386 | { |
| 387 | m_lcount = nbytes; |
| 388 | return *this; |
| 389 | } |
| 390 | buffer += count; |
| 391 | nbytes -= count; |
| 392 | |
| 393 | m_lcount = 0; |
| 394 | WantBuffer(buffer, nbytes, EVT_PEEK); |
| 395 | m_lcount += count; |
| 396 | |
| 397 | return *this; |
| 398 | } |
| 399 | |
| 400 | wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes) |
| 401 | { |
| 402 | WantBuffer((char *)buffer, nbytes, EVT_WRITE); |
| 403 | return *this; |
| 404 | } |
| 405 | |
| 406 | wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes) |
| 407 | { |
| 408 | SockMsg msg; |
| 409 | size_t len, len2, sig; |
| 410 | |
| 411 | Read((char *)&msg, sizeof(msg)); |
| 412 | if (m_lcount != sizeof(msg)) |
| 413 | return *this; |
| 414 | |
| 415 | sig = msg.sig[0] & 0xff; |
| 416 | sig |= (size_t)(msg.sig[1] & 0xff) << 8; |
| 417 | sig |= (size_t)(msg.sig[2] & 0xff) << 16; |
| 418 | sig |= (size_t)(msg.sig[3] & 0xff) << 24; |
| 419 | |
| 420 | if (sig != 0xfeeddead) |
| 421 | return *this; |
| 422 | len = msg.len[0] & 0xff; |
| 423 | len |= (size_t)(msg.len[1] & 0xff) << 8; |
| 424 | len |= (size_t)(msg.len[2] & 0xff) << 16; |
| 425 | len |= (size_t)(msg.len[3] & 0xff) << 24; |
| 426 | len2 = len; |
| 427 | if (len > nbytes) |
| 428 | len = nbytes; |
| 429 | else |
| 430 | len2 = 0; |
| 431 | |
| 432 | if (Read(buffer, len).LastCount() != len) |
| 433 | return *this; |
| 434 | if (len2 && (Read(NULL, len2).LastCount() != len2)) |
| 435 | return *this; |
| 436 | if (Read((char *)&msg, sizeof(msg)).LastCount() != sizeof(msg)) |
| 437 | return *this; |
| 438 | |
| 439 | sig = msg.sig[0] & 0xff; |
| 440 | sig |= (size_t)(msg.sig[1] & 0xff) << 8; |
| 441 | sig |= (size_t)(msg.sig[2] & 0xff) << 16; |
| 442 | sig |= (size_t)(msg.sig[3] & 0xff) << 24; |
| 443 | // ERROR |
| 444 | if (sig != 0xdeadfeed) |
| 445 | return *this; |
| 446 | |
| 447 | return *this; |
| 448 | } |
| 449 | |
| 450 | wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes) |
| 451 | { |
| 452 | SockMsg msg; |
| 453 | |
| 454 | // warning about 'cast truncates constant value' |
| 455 | #ifdef __VISUALC__ |
| 456 | #pragma warning(disable: 4310) |
| 457 | #endif // __VISUALC__ |
| 458 | |
| 459 | msg.sig[0] = (char) 0xad; |
| 460 | msg.sig[1] = (char) 0xde; |
| 461 | msg.sig[2] = (char) 0xed; |
| 462 | msg.sig[3] = (char) 0xfe; |
| 463 | |
| 464 | msg.len[0] = (char) nbytes & 0xff; |
| 465 | msg.len[1] = (char) (nbytes >> 8) & 0xff; |
| 466 | msg.len[2] = (char) (nbytes >> 16) & 0xff; |
| 467 | msg.len[3] = (char) (nbytes >> 24) & 0xff; |
| 468 | |
| 469 | if (Write((char *)&msg, sizeof(msg)).LastCount() < sizeof(msg)) |
| 470 | return *this; |
| 471 | if (Write(buffer, nbytes).LastCount() < nbytes) |
| 472 | return *this; |
| 473 | |
| 474 | msg.sig[0] = (char) 0xed; |
| 475 | msg.sig[1] = (char) 0xfe; |
| 476 | msg.sig[2] = (char) 0xad; |
| 477 | msg.sig[3] = (char) 0xde; |
| 478 | msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0; |
| 479 | Write((char *)&msg, sizeof(msg)); |
| 480 | |
| 481 | return *this; |
| 482 | |
| 483 | #ifdef __VISUALC__ |
| 484 | #pragma warning(default: 4310) |
| 485 | #endif // __VISUALC__ |
| 486 | } |
| 487 | |
| 488 | wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes) |
| 489 | { |
| 490 | CreatePushbackAfter(buffer, nbytes); |
| 491 | return *this; |
| 492 | } |
| 493 | |
| 494 | bool wxSocketBase::IsData() const |
| 495 | { |
| 496 | struct timeval tv; |
| 497 | fd_set sock_set; |
| 498 | |
| 499 | if (m_fd < 0) |
| 500 | return FALSE; |
| 501 | if (m_unrd_size > 0) |
| 502 | return TRUE; |
| 503 | |
| 504 | tv.tv_sec = 0; |
| 505 | tv.tv_usec = 0; |
| 506 | FD_ZERO(&sock_set); |
| 507 | FD_SET(m_fd, &sock_set); |
| 508 | select(FD_SETSIZE, &sock_set, NULL, NULL, &tv); |
| 509 | return (FD_ISSET(m_fd, &sock_set) != 0); |
| 510 | } |
| 511 | |
| 512 | // --------------------------------------------------------------------- |
| 513 | // --------- wxSocketBase Discard(): deletes all byte in the input queue |
| 514 | // --------------------------------------------------------------------- |
| 515 | void wxSocketBase::Discard() |
| 516 | { |
| 517 | #define MAX_BUFSIZE (10*1024) |
| 518 | char *my_data = new char[MAX_BUFSIZE]; |
| 519 | size_t recv_size = MAX_BUFSIZE; |
| 520 | |
| 521 | SaveState(); |
| 522 | SetFlags((wxSockFlags)(NOWAIT | SPEED)); |
| 523 | |
| 524 | while (recv_size == MAX_BUFSIZE) |
| 525 | { |
| 526 | recv_size = Read(my_data, MAX_BUFSIZE).LastCount(); |
| 527 | } |
| 528 | |
| 529 | RestoreState(); |
| 530 | delete [] my_data; |
| 531 | |
| 532 | #undef MAX_BUFSIZE |
| 533 | } |
| 534 | |
| 535 | // If what? Who seems to need unsigned int? |
| 536 | // BTW uint isn't even defined on wxMSW for VC++ for some reason. Even if it |
| 537 | // were, getpeername/getsockname don't take unsigned int*, they take int*. |
| 538 | // |
| 539 | // Under glibc 2.0.7, socketbits.h declares socklen_t to be unsigned int |
| 540 | // and it uses *socklen_t as the 3rd parameter. Robert. |
| 541 | |
| 542 | // JACS - How can we detect this? |
| 543 | // Meanwhile, if your compiler complains about socklen_t, |
| 544 | // switch lines below. |
| 545 | |
| 546 | #if wxHAVE_GLIBC2 |
| 547 | # define wxSOCKET_INT socklen_t |
| 548 | #else |
| 549 | # define wxSOCKET_INT int |
| 550 | #endif |
| 551 | |
| 552 | // -------------------------------------------------------------- |
| 553 | // wxSocketBase socket info functions |
| 554 | // -------------------------------------------------------------- |
| 555 | |
| 556 | bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const |
| 557 | { |
| 558 | struct sockaddr my_addr; |
| 559 | wxSOCKET_INT len_addr = sizeof(my_addr); |
| 560 | |
| 561 | if (m_fd < 0) |
| 562 | return FALSE; |
| 563 | |
| 564 | if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) |
| 565 | return FALSE; |
| 566 | |
| 567 | addr_man.Disassemble(&my_addr, len_addr); |
| 568 | return TRUE; |
| 569 | } |
| 570 | |
| 571 | bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const |
| 572 | { |
| 573 | struct sockaddr my_addr; |
| 574 | wxSOCKET_INT len_addr = sizeof(my_addr); |
| 575 | |
| 576 | if (m_fd < 0) |
| 577 | return FALSE; |
| 578 | |
| 579 | if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) |
| 580 | |
| 581 | return FALSE; |
| 582 | |
| 583 | addr_man.Disassemble(&my_addr, len_addr); |
| 584 | return TRUE; |
| 585 | } |
| 586 | |
| 587 | // -------------------------------------------------------------- |
| 588 | // wxSocketBase wait functions |
| 589 | // -------------------------------------------------------------- |
| 590 | |
| 591 | void wxSocketBase::SaveState() |
| 592 | { |
| 593 | wxSockState *state = new wxSockState; |
| 594 | |
| 595 | state->cbk_on = m_cbkon; |
| 596 | state->cbk_set= m_neededreq; |
| 597 | state->cbk = m_cbk; |
| 598 | state->cdata = m_cdata; |
| 599 | state->flags = m_flags; |
| 600 | state->notif = m_notifyme; |
| 601 | |
| 602 | m_states.Append(state); |
| 603 | } |
| 604 | |
| 605 | void wxSocketBase::RestoreState() |
| 606 | { |
| 607 | wxNode *node; |
| 608 | |
| 609 | node = m_states.Last(); |
| 610 | if (!node) |
| 611 | return; |
| 612 | |
| 613 | wxSockState *state = (wxSockState *)node->Data(); |
| 614 | |
| 615 | SetFlags(state->flags); |
| 616 | m_neededreq = state->cbk_set; |
| 617 | m_cbk = state->cbk; |
| 618 | m_cdata = state->cdata; |
| 619 | m_notifyme = state->notif; |
| 620 | if (state->cbk_on) |
| 621 | SetupCallbacks(); |
| 622 | else |
| 623 | DestroyCallbacks(); |
| 624 | |
| 625 | delete node; |
| 626 | delete state; |
| 627 | } |
| 628 | |
| 629 | // -------------------------------------------------------------- |
| 630 | // --------- wxSocketBase wait functions ------------------------ |
| 631 | // -------------------------------------------------------------- |
| 632 | |
| 633 | bool wxSocketBase::_Wait(long seconds, long microseconds, int type) |
| 634 | { |
| 635 | if ((!m_connected && !m_connecting) || m_fd < 0) |
| 636 | return FALSE; |
| 637 | |
| 638 | wxSockWakeUp wakeup(this, &m_waitflags, 0); |
| 639 | |
| 640 | SaveState(); |
| 641 | SetNotify((wxRequestNotify)type); |
| 642 | SetupCallbacks(); |
| 643 | |
| 644 | if (seconds != -1) |
| 645 | wakeup.Start((int)(seconds*1000 + (microseconds / 1000)), TRUE); |
| 646 | |
| 647 | m_waitflags = 0x80 | type; |
| 648 | while (m_waitflags & 0x80) |
| 649 | PROCESS_EVENTS(); |
| 650 | |
| 651 | RestoreState(); |
| 652 | |
| 653 | if (m_waitflags & 0x40) |
| 654 | { |
| 655 | m_waitflags = 0; |
| 656 | return TRUE; |
| 657 | } |
| 658 | m_waitflags = 0; |
| 659 | |
| 660 | return FALSE; |
| 661 | } |
| 662 | |
| 663 | bool wxSocketBase::Wait(long seconds, long microseconds) |
| 664 | { |
| 665 | return _Wait(seconds, microseconds, REQ_ACCEPT | REQ_CONNECT | |
| 666 | REQ_READ | REQ_WRITE | REQ_LOST); |
| 667 | } |
| 668 | |
| 669 | bool wxSocketBase::WaitForRead(long seconds, long microseconds) |
| 670 | { |
| 671 | return _Wait(seconds, microseconds, REQ_READ | REQ_LOST); |
| 672 | } |
| 673 | |
| 674 | bool wxSocketBase::WaitForWrite(long seconds, long microseconds) |
| 675 | { |
| 676 | return _Wait(seconds, microseconds, REQ_WRITE); |
| 677 | } |
| 678 | |
| 679 | bool wxSocketBase::WaitForLost(long seconds, long microseconds) |
| 680 | { |
| 681 | return _Wait(seconds, microseconds, REQ_LOST); |
| 682 | } |
| 683 | |
| 684 | // -------------------------------------------------------------- |
| 685 | // --------- wxSocketBase callback management ------------------- |
| 686 | // -------------------------------------------------------------- |
| 687 | |
| 688 | #ifdef __WXGTK__ |
| 689 | void wxPrereadSocket(wxSocketBase *sock) |
| 690 | { |
| 691 | char tmp_buf[1024]; |
| 692 | int got = 0; |
| 693 | |
| 694 | do { |
| 695 | got = recv(sock->m_fd, tmp_buf, 1024, 0); |
| 696 | if (got > 0) |
| 697 | sock->CreatePushbackAfter(tmp_buf, got); |
| 698 | } while (got > 0); |
| 699 | } |
| 700 | #endif |
| 701 | |
| 702 | #if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__) |
| 703 | #if defined(__WXMOTIF__) || defined(__WXXT__) |
| 704 | static void wx_socket_read(XtPointer client, int *fid, |
| 705 | XtInputId *WXUNUSED(id)) |
| 706 | #define fd *fid |
| 707 | #else |
| 708 | static void wx_socket_read(gpointer client, gint fd, |
| 709 | GdkInputCondition WXUNUSED(cond)) |
| 710 | #define fd fd |
| 711 | #endif |
| 712 | { |
| 713 | wxSocketBase *sock = (wxSocketBase *)client; |
| 714 | char c; |
| 715 | int i; |
| 716 | |
| 717 | i = recv(fd, &c, 1, MSG_PEEK); |
| 718 | |
| 719 | if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) |
| 720 | { |
| 721 | sock->OnRequest(wxSocketBase::EVT_ACCEPT); |
| 722 | return; |
| 723 | } |
| 724 | |
| 725 | if (i != 0) |
| 726 | { |
| 727 | if (!(sock->NeededReq() & wxSocketBase::REQ_READ)) |
| 728 | { |
| 729 | #ifdef __WXGTK__ |
| 730 | // We can't exit from the GDK main loop because it doesn't accept |
| 731 | // destroying input event while we are in a event dispatch. |
| 732 | // So we will preread socket and we put the data in the pushback. |
| 733 | wxPrereadSocket(sock); |
| 734 | // Then we set the socket as BLOCKING |
| 735 | int flag = 0; |
| 736 | ioctl(fd, FIONBIO, &flag); |
| 737 | #endif |
| 738 | return; |
| 739 | } |
| 740 | |
| 741 | sock->OnRequest(wxSocketBase::EVT_READ); |
| 742 | } |
| 743 | else |
| 744 | { |
| 745 | if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) |
| 746 | { |
| 747 | sock->Close(); |
| 748 | return; |
| 749 | } |
| 750 | |
| 751 | sock->OnRequest(wxSocketBase::EVT_LOST); |
| 752 | } |
| 753 | } |
| 754 | #undef fd |
| 755 | |
| 756 | #if defined(__WXMOTIF__) || defined(__WXXT__) |
| 757 | static void wx_socket_write(XtPointer client, int *WXUNUSED(fid), |
| 758 | XtInputId *WXUNUSED(id)) |
| 759 | #else |
| 760 | static void wx_socket_write(gpointer client, gint WXUNUSED(fd), |
| 761 | GdkInputCondition WXUNUSED(cond)) |
| 762 | #endif |
| 763 | { |
| 764 | wxSocketBase *sock = (wxSocketBase *)client; |
| 765 | |
| 766 | if (!sock->IsConnected()) |
| 767 | sock->OnRequest(wxSocketBase::EVT_CONNECT); |
| 768 | else |
| 769 | sock->OnRequest(wxSocketBase::EVT_WRITE); |
| 770 | } |
| 771 | #endif |
| 772 | |
| 773 | #ifdef wx_xview |
| 774 | Notify_value wx_sock_read_xview (Notify_client client, int fd) |
| 775 | { |
| 776 | wxSocketBase *sock = (wxSocketBase *)client; |
| 777 | char c; |
| 778 | int i; |
| 779 | |
| 780 | i = recv(fd, &c, 1, MSG_PEEK); |
| 781 | |
| 782 | if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) |
| 783 | { |
| 784 | sock->OnRequest(wxSocketBase::EVT_ACCEPT); |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | /* Bytes arrived */ |
| 789 | if (i != 0) |
| 790 | { |
| 791 | if (!(sock->NeededReq() & wxSocketBase::REQ_READ)) |
| 792 | return (Notify_value) FALSE; |
| 793 | |
| 794 | sock->OnRequest(wxSocketBase::EVT_READ); |
| 795 | } |
| 796 | else |
| 797 | { |
| 798 | if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) |
| 799 | return; |
| 800 | |
| 801 | sock->OnRequest(wxSocketBase::EVT_LOST); |
| 802 | } |
| 803 | |
| 804 | return (Notify_value) FALSE; |
| 805 | } |
| 806 | |
| 807 | Notify_value wx_sock_write_xview (Notify_client client, int fd) |
| 808 | { |
| 809 | wxSocketBase *sock = (wxSocketBase *)client; |
| 810 | |
| 811 | if (!sock->IsConnected()) |
| 812 | sock->OnRequest(wxSocketBase::EVT_CONNECT); |
| 813 | else |
| 814 | sock->OnRequest(wxSocketBase::EVT_WRITE); |
| 815 | |
| 816 | return (Notify_value) TRUE; |
| 817 | } |
| 818 | #endif |
| 819 | |
| 820 | wxSocketBase::wxRequestNotify wxSocketBase::EventToNotify(wxRequestEvent evt) |
| 821 | { |
| 822 | switch (evt) |
| 823 | { |
| 824 | case EVT_READ: |
| 825 | return REQ_READ; |
| 826 | case EVT_PEEK: |
| 827 | return REQ_PEEK; |
| 828 | case EVT_WRITE: |
| 829 | return REQ_WRITE; |
| 830 | case EVT_LOST: |
| 831 | return REQ_LOST; |
| 832 | case EVT_ACCEPT: |
| 833 | return REQ_ACCEPT; |
| 834 | case EVT_CONNECT: |
| 835 | return REQ_CONNECT; |
| 836 | } |
| 837 | return 0; |
| 838 | } |
| 839 | |
| 840 | void wxSocketBase::SetFlags(wxSockFlags _flags) |
| 841 | { |
| 842 | m_flags = _flags; |
| 843 | if (_flags & SPEED) |
| 844 | { |
| 845 | unsigned long flag = 0; |
| 846 | ioctl(m_fd, FIONBIO, &flag); |
| 847 | |
| 848 | // SPEED and WAITALL are antagonists. |
| 849 | m_flags = (wxSockFlags)(m_flags & ~WAITALL); |
| 850 | |
| 851 | Notify(FALSE); |
| 852 | } |
| 853 | else |
| 854 | { |
| 855 | unsigned long flag = 1; |
| 856 | ioctl(m_fd, FIONBIO, &flag); |
| 857 | } |
| 858 | } |
| 859 | |
| 860 | void wxSocketBase::SetNotify(wxRequestNotify flags) |
| 861 | { |
| 862 | wxRequestNotify old_needed_req = m_neededreq; |
| 863 | if (flags & REQ_ACCEPT) |
| 864 | { |
| 865 | /* Check if server */ |
| 866 | if (!(GetClassInfo()->IsKindOf(CLASSINFO(wxSocketServer)))) |
| 867 | flags &= ~REQ_ACCEPT; |
| 868 | } |
| 869 | m_neededreq = flags; |
| 870 | |
| 871 | /* |
| 872 | if (m_cbkon && old_needed_req != flags) seems to be wrong, Robert Roebling |
| 873 | SetupCallbacks(); |
| 874 | */ |
| 875 | |
| 876 | if (old_needed_req != flags) |
| 877 | SetupCallbacks(); |
| 878 | } |
| 879 | |
| 880 | void wxSocketBase::SetupCallbacks() |
| 881 | { |
| 882 | if (m_fd == INVALID_SOCKET || !m_handler || (m_flags & SPEED)) |
| 883 | return; |
| 884 | |
| 885 | #if defined(__WXMOTIF__) || defined(__WXXT__) |
| 886 | if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) |
| 887 | { |
| 888 | if (m_internal->sock_inputid <= 0) |
| 889 | { |
| 890 | m_internal->sock_inputid = XtAppAddInput (wxAPP_CONTEXT, m_fd, |
| 891 | (XtPointer *) XtInputReadMask, |
| 892 | (XtInputCallbackProc) wx_socket_read, |
| 893 | (XtPointer) this); |
| 894 | } |
| 895 | } |
| 896 | else |
| 897 | { |
| 898 | if (m_internal->sock_inputid > 0) |
| 899 | { |
| 900 | XtRemoveInput(m_internal->sock_inputid); |
| 901 | m_internal->sock_inputid = 0; |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) |
| 906 | { |
| 907 | if (m_internal->sock_outputid <= 0) |
| 908 | { |
| 909 | m_internal->sock_outputid = XtAppAddInput (wxAPP_CONTEXT, m_fd, |
| 910 | (XtPointer *) XtInputWriteMask, |
| 911 | (XtInputCallbackProc) wx_socket_write, |
| 912 | (XtPointer) this); |
| 913 | } |
| 914 | } |
| 915 | else |
| 916 | { |
| 917 | if (m_internal->sock_outputid > 0) |
| 918 | { |
| 919 | XtRemoveInput(m_internal->sock_outputid); |
| 920 | m_internal->sock_outputid = 0; |
| 921 | } |
| 922 | } |
| 923 | #endif |
| 924 | |
| 925 | |
| 926 | #ifdef __WXGTK__ |
| 927 | if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) |
| 928 | { |
| 929 | if (m_internal->sock_inputid <= 0) |
| 930 | { |
| 931 | m_internal->sock_inputid = gdk_input_add(m_fd, GDK_INPUT_READ, |
| 932 | wx_socket_read, (gpointer)this); |
| 933 | } |
| 934 | } |
| 935 | else |
| 936 | { |
| 937 | if (m_internal->sock_inputid > 0) |
| 938 | { |
| 939 | /* |
| 940 | gdk_input_remove(m_internal->sock_inputid); |
| 941 | m_internal->sock_inputid = 0; |
| 942 | */ |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) |
| 947 | { |
| 948 | if (m_internal->sock_outputid <= 0) |
| 949 | { |
| 950 | m_internal->sock_outputid = gdk_input_add(m_fd, GDK_INPUT_WRITE, |
| 951 | wx_socket_write, (gpointer)this); |
| 952 | } |
| 953 | } |
| 954 | else |
| 955 | { |
| 956 | if (m_internal->sock_outputid > 0) |
| 957 | { |
| 958 | /* |
| 959 | gdk_input_remove(m_internal->sock_outputid); |
| 960 | m_internal->sock_outputid = 0; |
| 961 | */ |
| 962 | } |
| 963 | } |
| 964 | #endif |
| 965 | |
| 966 | |
| 967 | #ifdef __WXMSW__ |
| 968 | WORD mask = 0; |
| 969 | |
| 970 | if (m_neededreq & REQ_READ) |
| 971 | mask |= FD_READ; |
| 972 | if (m_neededreq & REQ_WRITE) |
| 973 | mask |= FD_WRITE; |
| 974 | if (m_neededreq & REQ_LOST) |
| 975 | mask |= FD_CLOSE; |
| 976 | if (m_neededreq & REQ_ACCEPT) |
| 977 | mask |= FD_ACCEPT; |
| 978 | if (m_neededreq & REQ_CONNECT) |
| 979 | mask |= FD_CONNECT; |
| 980 | |
| 981 | if (!m_internal->my_msg) |
| 982 | m_internal->my_msg = m_handler->NewMessage(this); |
| 983 | WSAAsyncSelect(m_fd, m_handler->GetHWND(), m_internal->my_msg, mask); |
| 984 | #endif |
| 985 | #ifdef __WXMAC__ |
| 986 | short mask = 0; |
| 987 | |
| 988 | if (m_neededreq & REQ_READ) |
| 989 | mask |= FD_READ; |
| 990 | if (m_neededreq & REQ_WRITE) |
| 991 | mask |= FD_WRITE; |
| 992 | if (m_neededreq & REQ_LOST) |
| 993 | mask |= FD_CLOSE; |
| 994 | if (m_neededreq & REQ_ACCEPT) |
| 995 | mask |= FD_ACCEPT; |
| 996 | if (m_neededreq & REQ_CONNECT) |
| 997 | mask |= FD_CONNECT; |
| 998 | |
| 999 | GUSISetReference( m_fd ,mask, this ) ; |
| 1000 | unsigned long flag = 1; |
| 1001 | ioctl(m_fd, FIONBIO, &flag); |
| 1002 | #endif |
| 1003 | m_cbkon = TRUE; |
| 1004 | m_processing = FALSE; |
| 1005 | } |
| 1006 | |
| 1007 | void wxSocketBase::DestroyCallbacks() |
| 1008 | { |
| 1009 | if (!m_cbkon || !m_handler) |
| 1010 | return; |
| 1011 | |
| 1012 | m_cbkon = FALSE; |
| 1013 | m_processing = FALSE; |
| 1014 | #if defined(__WXMOTIF__) || defined(__WXXT__) |
| 1015 | if (m_internal->sock_inputid > 0) |
| 1016 | XtRemoveInput(m_internal->sock_inputid); |
| 1017 | m_internal->sock_inputid = 0; |
| 1018 | if (m_internal->sock_outputid > 0) |
| 1019 | XtRemoveInput(m_internal->sock_outputid); |
| 1020 | m_internal->sock_outputid = 0; |
| 1021 | #endif |
| 1022 | #ifdef __WXGTK__ |
| 1023 | if (m_internal->sock_inputid > 0) |
| 1024 | gdk_input_remove(m_internal->sock_inputid); |
| 1025 | m_internal->sock_inputid = 0; |
| 1026 | if (m_internal->sock_outputid > 0) |
| 1027 | gdk_input_remove(m_internal->sock_outputid); |
| 1028 | m_internal->sock_outputid = 0; |
| 1029 | #endif |
| 1030 | #ifdef __WINDOWS__ |
| 1031 | WSAAsyncSelect(m_fd, m_handler->GetHWND(), 0, 0); |
| 1032 | #endif |
| 1033 | #ifdef __WXMAC__ |
| 1034 | GUSISetReference( m_fd , 0 , 0 ) ; |
| 1035 | int bottom = wxMacNetEventsBottom ; |
| 1036 | while ( wxMacNetEventsTop != bottom ) |
| 1037 | { |
| 1038 | // set all events that reference this socket to nil |
| 1039 | if ( wxMacNetEventsReferences[bottom] == (void*) this ) |
| 1040 | wxMacNetEventsReferences[bottom] = NULL ; |
| 1041 | bottom++ ; |
| 1042 | if ( bottom == kwxMacNetEventsMax ) |
| 1043 | bottom = 0 ; |
| 1044 | } |
| 1045 | SetFlags( m_flags ) ; |
| 1046 | #endif |
| 1047 | } |
| 1048 | |
| 1049 | void wxSocketBase::Notify(bool notify) |
| 1050 | { |
| 1051 | if (m_notifyme == notify) |
| 1052 | return; |
| 1053 | if (notify) |
| 1054 | SetupCallbacks(); |
| 1055 | else |
| 1056 | DestroyCallbacks(); |
| 1057 | m_notifyme = notify; |
| 1058 | } |
| 1059 | |
| 1060 | void wxSocketBase::OnRequest(wxRequestEvent req_evt) |
| 1061 | { |
| 1062 | wxRequestNotify req_notif = EventToNotify(req_evt); |
| 1063 | |
| 1064 | // Mask the current event |
| 1065 | SetNotify(m_neededreq & ~req_notif); |
| 1066 | |
| 1067 | if (req_evt <= EVT_WRITE && DoRequests(req_evt)) |
| 1068 | return; |
| 1069 | |
| 1070 | if (m_waitflags & 0xF0) |
| 1071 | { |
| 1072 | // Wake up |
| 1073 | if ((m_waitflags & 0x0F) == req_evt) |
| 1074 | { |
| 1075 | m_waitflags = 0x80; |
| 1076 | #ifndef __WXGTK__ |
| 1077 | DestroyCallbacks(); |
| 1078 | #endif |
| 1079 | } |
| 1080 | return; |
| 1081 | } |
| 1082 | |
| 1083 | if (req_evt == EVT_LOST) |
| 1084 | { |
| 1085 | m_connected = FALSE; |
| 1086 | Close(); |
| 1087 | } |
| 1088 | if (m_notifyme) |
| 1089 | OldOnNotify(req_evt); |
| 1090 | |
| 1091 | // Unmask |
| 1092 | SetNotify(m_neededreq | req_notif); |
| 1093 | } |
| 1094 | |
| 1095 | wxSocketEvent::wxSocketEvent(int id) |
| 1096 | : wxEvent(id) |
| 1097 | { |
| 1098 | wxEventType type = (wxEventType)wxEVT_SOCKET; |
| 1099 | |
| 1100 | SetEventType(type); |
| 1101 | } |
| 1102 | |
| 1103 | void wxSocketBase::OldOnNotify(wxRequestEvent evt) |
| 1104 | { |
| 1105 | wxSocketEvent event(m_id); |
| 1106 | |
| 1107 | event.SetEventObject(this); |
| 1108 | event.m_skevt = evt; |
| 1109 | ProcessEvent(event); |
| 1110 | |
| 1111 | if (m_cbk) |
| 1112 | m_cbk(*this, evt, m_cdata); |
| 1113 | } |
| 1114 | |
| 1115 | // -------------------------------------------------------------- |
| 1116 | // --------- wxSocketBase functions [Callback, CallbackData] ---- |
| 1117 | // -------------------------------------------------------------- |
| 1118 | |
| 1119 | wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSocketBase::wxSockCbk _cbk) |
| 1120 | { |
| 1121 | wxSockCbk old_cbk = m_cbk; |
| 1122 | |
| 1123 | m_cbk = _cbk; |
| 1124 | return old_cbk; |
| 1125 | } |
| 1126 | |
| 1127 | char *wxSocketBase::CallbackData(char *cdata_) |
| 1128 | { |
| 1129 | char *old_cdata = m_cdata; |
| 1130 | |
| 1131 | m_cdata = cdata_; |
| 1132 | return old_cdata; |
| 1133 | } |
| 1134 | |
| 1135 | void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id) |
| 1136 | { |
| 1137 | SetNextHandler(&h_evt); |
| 1138 | m_id = id; |
| 1139 | } |
| 1140 | |
| 1141 | // -------------------------------------------------------------- |
| 1142 | // --------- wxSocketBase pushback library ---------------------- |
| 1143 | // -------------------------------------------------------------- |
| 1144 | |
| 1145 | void wxSocketBase::CreatePushbackAfter(const char *buffer, size_t size) |
| 1146 | { |
| 1147 | char *curr_pos; |
| 1148 | |
| 1149 | if (m_unread != NULL) |
| 1150 | m_unread = (char *) realloc(m_unread, m_unrd_size+size); |
| 1151 | else |
| 1152 | m_unread = (char *) malloc(size); |
| 1153 | curr_pos = m_unread + m_unrd_size; |
| 1154 | |
| 1155 | memcpy(curr_pos, buffer, size); |
| 1156 | m_unrd_size += size; |
| 1157 | } |
| 1158 | |
| 1159 | void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size) |
| 1160 | { |
| 1161 | char *curr_pos, *new_buf; |
| 1162 | |
| 1163 | new_buf = (char *) malloc(m_unrd_size+size); |
| 1164 | curr_pos = new_buf + size; |
| 1165 | |
| 1166 | memcpy(new_buf, buffer, size); |
| 1167 | if (m_unrd_size != 0) { |
| 1168 | memcpy(curr_pos, m_unread, m_unrd_size); |
| 1169 | free(m_unread); |
| 1170 | } |
| 1171 | m_unread = new_buf; |
| 1172 | m_unrd_size += size; |
| 1173 | } |
| 1174 | |
| 1175 | size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek) |
| 1176 | { |
| 1177 | if (!m_unrd_size) |
| 1178 | return 0; |
| 1179 | |
| 1180 | if (size > m_unrd_size) |
| 1181 | size = m_unrd_size; |
| 1182 | memcpy(buffer, m_unread, size); |
| 1183 | |
| 1184 | if (!peek) { |
| 1185 | m_unrd_size -= size; |
| 1186 | if (m_unrd_size == 0) { |
| 1187 | free(m_unread); |
| 1188 | m_unread = NULL; |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | return size; |
| 1193 | } |
| 1194 | |
| 1195 | // -------------------------------------------------------------- |
| 1196 | // --------- wxSocketBase "multi-thread" core ------------------- |
| 1197 | // -------------------------------------------------------------- |
| 1198 | |
| 1199 | bool wxSocketBase::DoRequests(wxRequestEvent req_flag) |
| 1200 | { |
| 1201 | wxNode *node = req_list[req_flag].First(); |
| 1202 | size_t len; |
| 1203 | int ret; |
| 1204 | |
| 1205 | if (!node) |
| 1206 | return FALSE; |
| 1207 | |
| 1208 | SockRequest *req = (SockRequest *)node->Data(); |
| 1209 | |
| 1210 | delete node; |
| 1211 | |
| 1212 | switch (req->type) |
| 1213 | { |
| 1214 | case EVT_READ: |
| 1215 | case EVT_PEEK: |
| 1216 | ret = recv(m_fd, req->buffer, req->size, |
| 1217 | (req->type == EVT_PEEK) ? MSG_PEEK : 0); |
| 1218 | if (ret < 0) |
| 1219 | { |
| 1220 | req->error = errno; |
| 1221 | req->done = TRUE; |
| 1222 | break; |
| 1223 | } |
| 1224 | len = ret; |
| 1225 | if ((len < req->size) && (m_flags & WAITALL)) |
| 1226 | { |
| 1227 | req->size -= len; |
| 1228 | req->nbytes += len; |
| 1229 | req->buffer += len; |
| 1230 | req->auto_wakeup->Start(m_timeout*1000, TRUE); |
| 1231 | req_list[req_flag].Insert(req); |
| 1232 | break; |
| 1233 | } |
| 1234 | req->done = TRUE; |
| 1235 | req->nbytes += len; |
| 1236 | #ifndef __WXGTK__ |
| 1237 | DestroyCallbacks(); |
| 1238 | #endif |
| 1239 | break; |
| 1240 | case EVT_WRITE: |
| 1241 | ret = send(m_fd, req->buffer, req->size, 0); |
| 1242 | if (ret < 0) |
| 1243 | { |
| 1244 | req->error = errno; |
| 1245 | req->done = TRUE; |
| 1246 | break; |
| 1247 | } |
| 1248 | len = ret; |
| 1249 | if ((len < req->size) && (m_flags & WAITALL)) |
| 1250 | { |
| 1251 | req->size -= len; |
| 1252 | req->nbytes += len; |
| 1253 | req->buffer += len; |
| 1254 | req->auto_wakeup->Start(m_timeout*1000, TRUE); |
| 1255 | req_list[req_flag].Insert(req); |
| 1256 | break; |
| 1257 | } |
| 1258 | req->done = TRUE; |
| 1259 | req->nbytes += len; |
| 1260 | #ifndef __WXGTK__ |
| 1261 | DestroyCallbacks(); |
| 1262 | #endif |
| 1263 | break; |
| 1264 | default: |
| 1265 | return FALSE; |
| 1266 | } |
| 1267 | return TRUE; |
| 1268 | } |
| 1269 | |
| 1270 | void wxSocketBase::WantSpeedBuffer(char *buffer, size_t nbytes, |
| 1271 | wxRequestEvent evt) |
| 1272 | { |
| 1273 | int ret = 0; |
| 1274 | |
| 1275 | switch (evt) |
| 1276 | { |
| 1277 | case EVT_PEEK: |
| 1278 | case EVT_READ: |
| 1279 | ret = recv(m_fd, buffer, nbytes, |
| 1280 | (evt == EVT_PEEK) ? MSG_PEEK : 0); |
| 1281 | break; |
| 1282 | case EVT_WRITE: |
| 1283 | ret = send(m_fd, buffer, nbytes, 0); |
| 1284 | break; |
| 1285 | } |
| 1286 | if (ret < 0) |
| 1287 | { |
| 1288 | m_lcount = 0; |
| 1289 | m_error = errno; |
| 1290 | } |
| 1291 | else |
| 1292 | { |
| 1293 | m_lcount = ret; |
| 1294 | m_error = 0; |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | void wxSocketBase::WantBuffer(char *buffer, size_t nbytes, |
| 1299 | wxRequestEvent evt) |
| 1300 | { |
| 1301 | bool buf_timed_out; |
| 1302 | |
| 1303 | if (m_fd == INVALID_SOCKET || !m_handler || !m_connected) |
| 1304 | return; |
| 1305 | |
| 1306 | if (m_flags & SPEED) |
| 1307 | { |
| 1308 | WantSpeedBuffer(buffer, nbytes, evt); |
| 1309 | return; |
| 1310 | } |
| 1311 | |
| 1312 | SockRequest *buf = new SockRequest; |
| 1313 | wxSockWakeUp s_wake(NULL, (int *)&buf_timed_out, (int)TRUE); |
| 1314 | |
| 1315 | m_wantbuf++; |
| 1316 | req_list[evt].Append(buf); |
| 1317 | |
| 1318 | SaveState(); |
| 1319 | SetNotify(REQ_LOST | EventToNotify(evt)); |
| 1320 | SetupCallbacks(); |
| 1321 | buf->buffer = buffer; |
| 1322 | buf->size = nbytes; |
| 1323 | buf->done = FALSE; |
| 1324 | buf->type = evt; |
| 1325 | buf->nbytes = 0; |
| 1326 | buf->auto_wakeup = &s_wake; |
| 1327 | buf->error = 0; |
| 1328 | buf_timed_out = FALSE; |
| 1329 | |
| 1330 | s_wake.Start(m_timeout*1000, TRUE); |
| 1331 | if (m_flags & NOWAIT) |
| 1332 | { |
| 1333 | DoRequests(evt); |
| 1334 | } |
| 1335 | else |
| 1336 | { |
| 1337 | while (!buf->done && !buf_timed_out) |
| 1338 | PROCESS_EVENTS(); |
| 1339 | } |
| 1340 | m_wantbuf--; |
| 1341 | m_lcount = buf->nbytes; |
| 1342 | if (buf_timed_out) |
| 1343 | m_error = ETIMEDOUT; |
| 1344 | else |
| 1345 | m_error = buf->error; |
| 1346 | |
| 1347 | delete buf; |
| 1348 | RestoreState(); |
| 1349 | } |
| 1350 | |
| 1351 | // -------------------------------------------------------------- |
| 1352 | // wxSocketServer |
| 1353 | // -------------------------------------------------------------- |
| 1354 | |
| 1355 | wxSocketServer::wxSocketServer(wxSockAddress& addr_man, |
| 1356 | wxSockFlags flags) : |
| 1357 | wxSocketBase(flags, SOCK_SERVER) |
| 1358 | { |
| 1359 | m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0); |
| 1360 | |
| 1361 | if (m_fd == INVALID_SOCKET) |
| 1362 | return; |
| 1363 | |
| 1364 | int flag = 1; |
| 1365 | setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&flag, sizeof(int)); |
| 1366 | |
| 1367 | struct sockaddr *myaddr; |
| 1368 | size_t len; |
| 1369 | |
| 1370 | addr_man.Build(myaddr, len); |
| 1371 | if (bind(m_fd, myaddr, addr_man.SockAddrLen()) < 0) |
| 1372 | return; |
| 1373 | |
| 1374 | if (listen(m_fd, 5) < 0) { |
| 1375 | m_fd = INVALID_SOCKET; |
| 1376 | return; |
| 1377 | } |
| 1378 | } |
| 1379 | |
| 1380 | // -------------------------------------------------------------- |
| 1381 | // wxSocketServer Accept |
| 1382 | // -------------------------------------------------------------- |
| 1383 | |
| 1384 | bool wxSocketServer::AcceptWith(wxSocketBase& sock) |
| 1385 | { |
| 1386 | int fd2; |
| 1387 | |
| 1388 | if ((fd2 = accept(m_fd, 0, 0)) < 0) |
| 1389 | return FALSE; |
| 1390 | |
| 1391 | struct linger linger; |
| 1392 | linger.l_onoff = 0; |
| 1393 | linger.l_linger = 1; |
| 1394 | |
| 1395 | setsockopt(fd2, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger)); |
| 1396 | |
| 1397 | int flag = 0; |
| 1398 | setsockopt(fd2, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int)); |
| 1399 | |
| 1400 | if (!(sock.m_flags & SPEED)) |
| 1401 | { |
| 1402 | unsigned long flag2 = 1; |
| 1403 | ioctl(fd2, FIONBIO, &flag2); |
| 1404 | } |
| 1405 | |
| 1406 | sock.m_type = SOCK_INTERNAL; |
| 1407 | sock.m_fd = fd2; |
| 1408 | sock.m_connected = TRUE; |
| 1409 | |
| 1410 | return TRUE; |
| 1411 | } |
| 1412 | |
| 1413 | wxSocketBase *wxSocketServer::Accept() |
| 1414 | { |
| 1415 | wxSocketBase* sock = new wxSocketBase(); |
| 1416 | |
| 1417 | sock->SetFlags((wxSockFlags)m_flags); |
| 1418 | |
| 1419 | if (!AcceptWith(*sock)) |
| 1420 | return NULL; |
| 1421 | |
| 1422 | if (m_handler) |
| 1423 | m_handler->Register(sock); |
| 1424 | |
| 1425 | return sock; |
| 1426 | } |
| 1427 | |
| 1428 | // -------------------------------------------------------------- |
| 1429 | // wxSocketServer callbacks |
| 1430 | // -------------------------------------------------------------- |
| 1431 | |
| 1432 | void wxSocketServer::OnRequest(wxRequestEvent evt) |
| 1433 | { |
| 1434 | if (evt == EVT_ACCEPT) |
| 1435 | { |
| 1436 | OldOnNotify(EVT_ACCEPT); |
| 1437 | } |
| 1438 | } |
| 1439 | |
| 1440 | // -------------------------------------------------------------- |
| 1441 | // wxSocketClient |
| 1442 | // -------------------------------------------------------------- |
| 1443 | |
| 1444 | // --------- wxSocketClient CONSTRUCTOR ------------------------- |
| 1445 | // -------------------------------------------------------------- |
| 1446 | wxSocketClient::wxSocketClient(wxSockFlags _flags) : |
| 1447 | wxSocketBase(_flags, SOCK_CLIENT) |
| 1448 | { |
| 1449 | } |
| 1450 | |
| 1451 | // -------------------------------------------------------------- |
| 1452 | // --------- wxSocketClient DESTRUCTOR -------------------------- |
| 1453 | // -------------------------------------------------------------- |
| 1454 | wxSocketClient::~wxSocketClient() |
| 1455 | { |
| 1456 | } |
| 1457 | |
| 1458 | // -------------------------------------------------------------- |
| 1459 | // --------- wxSocketClient Connect functions ------------------- |
| 1460 | // -------------------------------------------------------------- |
| 1461 | bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) ) |
| 1462 | { |
| 1463 | struct linger linger; |
| 1464 | |
| 1465 | if (IsConnected()) |
| 1466 | Close(); |
| 1467 | |
| 1468 | m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0); |
| 1469 | |
| 1470 | if (m_fd < 0) |
| 1471 | return FALSE; |
| 1472 | |
| 1473 | m_connected = FALSE; |
| 1474 | |
| 1475 | linger.l_onoff = 1; |
| 1476 | linger.l_linger = 5; |
| 1477 | setsockopt(m_fd, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger)); |
| 1478 | |
| 1479 | // Stay in touch with the state of things... |
| 1480 | |
| 1481 | unsigned long flag = 1; |
| 1482 | setsockopt(m_fd, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int)); |
| 1483 | |
| 1484 | // Disable the nagle algorithm, which delays sends till the |
| 1485 | // buffer is full (or a certain time period has passed?)... |
| 1486 | |
| 1487 | #if defined(__WINDOWS__) || (defined(IPPROTO_TCP) && defined(TCP_NODELAY)) |
| 1488 | flag = 1; |
| 1489 | setsockopt(m_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int)); |
| 1490 | #endif |
| 1491 | |
| 1492 | struct sockaddr *remote; |
| 1493 | size_t len; |
| 1494 | |
| 1495 | addr_man.Build(remote, len); |
| 1496 | |
| 1497 | if (connect(m_fd, remote, len) != 0) |
| 1498 | return FALSE; |
| 1499 | |
| 1500 | if (!(m_flags & SPEED)) |
| 1501 | { |
| 1502 | flag = 1; |
| 1503 | ioctl(m_fd, FIONBIO, &flag); |
| 1504 | } |
| 1505 | |
| 1506 | Notify(TRUE); |
| 1507 | |
| 1508 | m_connected = TRUE; |
| 1509 | return TRUE; |
| 1510 | } |
| 1511 | |
| 1512 | bool wxSocketClient::WaitOnConnect(long seconds, long microseconds) |
| 1513 | { |
| 1514 | int ret = _Wait(seconds, microseconds, REQ_CONNECT | REQ_LOST); |
| 1515 | |
| 1516 | if (ret) |
| 1517 | m_connected = TRUE; |
| 1518 | |
| 1519 | return m_connected; |
| 1520 | } |
| 1521 | |
| 1522 | void wxSocketClient::OnRequest(wxRequestEvent evt) |
| 1523 | { |
| 1524 | if (evt == EVT_CONNECT) |
| 1525 | { |
| 1526 | if (m_connected) |
| 1527 | { |
| 1528 | #ifndef __WXGTK__ |
| 1529 | SetNotify(m_neededreq & ~REQ_CONNECT); |
| 1530 | #endif |
| 1531 | return; |
| 1532 | } |
| 1533 | m_waitflags = 0x40; |
| 1534 | m_connected = TRUE; |
| 1535 | OldOnNotify(EVT_CONNECT); |
| 1536 | #ifndef __WXGTK__ |
| 1537 | DestroyCallbacks(); |
| 1538 | #endif |
| 1539 | return; |
| 1540 | } |
| 1541 | wxSocketBase::OnRequest(evt); |
| 1542 | } |
| 1543 | |
| 1544 | ///////////////////////////////////////////////////////////////// |
| 1545 | // wxSocketHandler /////////////////////////////////////////////// |
| 1546 | ///////////////////////////////////////////////////////////////// |
| 1547 | |
| 1548 | wxSocketHandler *wxSocketHandler::master = NULL; |
| 1549 | #if defined(__WINDOWS__) |
| 1550 | static int win_initialized = 0; |
| 1551 | #endif |
| 1552 | |
| 1553 | // -------------------------------------------------------------- |
| 1554 | // --------- wxSocketHandler CONSTRUCTOR ------------------------ |
| 1555 | // -------------------------------------------------------------- |
| 1556 | #ifdef __WXMAC__ |
| 1557 | |
| 1558 | extern "C" int updatestatus(int s) ; |
| 1559 | |
| 1560 | void wxMacSocketOnRequestProc( void *refcon , short event ) |
| 1561 | { |
| 1562 | if ( refcon ) |
| 1563 | { |
| 1564 | wxSocketBase *sock = (wxSocketBase *) refcon ; |
| 1565 | |
| 1566 | wxSocketBase::wxRequestEvent sk_req; |
| 1567 | |
| 1568 | int canRead ; |
| 1569 | int canWrite ; |
| 1570 | int exception ; |
| 1571 | |
| 1572 | switch (event) { |
| 1573 | case FD_READ: |
| 1574 | sk_req = wxSocketBase::EVT_READ; |
| 1575 | sock->OnRequest(sk_req); |
| 1576 | break; |
| 1577 | case FD_WRITE: |
| 1578 | sk_req = wxSocketBase::EVT_WRITE; |
| 1579 | sock->OnRequest(sk_req); |
| 1580 | break; |
| 1581 | case FD_CLOSE: |
| 1582 | sk_req = wxSocketBase::EVT_LOST; |
| 1583 | sock->OnRequest(sk_req); |
| 1584 | break; |
| 1585 | case FD_ACCEPT: |
| 1586 | sk_req = wxSocketBase::EVT_ACCEPT; |
| 1587 | sock->OnRequest(sk_req); |
| 1588 | break; |
| 1589 | case FD_CONNECT: |
| 1590 | sk_req = wxSocketBase::EVT_CONNECT; |
| 1591 | sock->OnRequest(sk_req); |
| 1592 | break; |
| 1593 | case FD_READY : |
| 1594 | break ; |
| 1595 | } |
| 1596 | updatestatus ( sock->m_fd ) ; |
| 1597 | } |
| 1598 | } |
| 1599 | |
| 1600 | void wxMacSocketHandlerProc( void *refcon , short event ) |
| 1601 | { |
| 1602 | wxMacNetEventsReferences[wxMacNetEventsTop] = refcon ; |
| 1603 | wxMacNetEventsEvents[wxMacNetEventsTop] = event ; |
| 1604 | |
| 1605 | // clumsy construct in order to never have a incorrect wxMacNetEventsTop (above limits) |
| 1606 | |
| 1607 | if ( wxMacNetEventsTop + 1 == kwxMacNetEventsMax ) |
| 1608 | wxMacNetEventsTop = 0 ; |
| 1609 | else |
| 1610 | wxMacNetEventsTop++ ; |
| 1611 | } |
| 1612 | |
| 1613 | #endif |
| 1614 | #ifdef __WINDOWS__ |
| 1615 | |
| 1616 | extern char wxPanelClassName[]; |
| 1617 | |
| 1618 | LRESULT APIENTRY _EXPORT wxSocketHandlerWndProc(HWND hWnd, UINT message, |
| 1619 | WPARAM wParam, LPARAM lParam) |
| 1620 | { |
| 1621 | if(message==WM_DESTROY) |
| 1622 | { |
| 1623 | ::SetWindowLong(hWnd, GWL_WNDPROC, (LONG) DefWindowProc); |
| 1624 | return DefWindowProc(hWnd, message, wParam, lParam); |
| 1625 | } |
| 1626 | wxSocketHandler *h_sock = (wxSocketHandler *)GetWindowLong(hWnd, GWL_USERDATA); |
| 1627 | wxNode *node = h_sock->smsg_list->Find(message); |
| 1628 | wxSocketBase *sock; |
| 1629 | wxSocketBase::wxRequestEvent sk_req; |
| 1630 | UINT event = WSAGETSELECTEVENT(lParam); |
| 1631 | |
| 1632 | if (!node) |
| 1633 | return DefWindowProc(hWnd, message, wParam, lParam); |
| 1634 | |
| 1635 | sock = (wxSocketBase *)node->Data(); |
| 1636 | |
| 1637 | switch (event) { |
| 1638 | case FD_READ: |
| 1639 | sk_req = wxSocketBase::EVT_READ; |
| 1640 | break; |
| 1641 | case FD_WRITE: |
| 1642 | sk_req = wxSocketBase::EVT_WRITE; |
| 1643 | break; |
| 1644 | case FD_CLOSE: |
| 1645 | sk_req = wxSocketBase::EVT_LOST; |
| 1646 | break; |
| 1647 | case FD_ACCEPT: |
| 1648 | sk_req = wxSocketBase::EVT_ACCEPT; |
| 1649 | break; |
| 1650 | case FD_CONNECT: |
| 1651 | sk_req = wxSocketBase::EVT_CONNECT; |
| 1652 | break; |
| 1653 | |
| 1654 | default: |
| 1655 | wxFAIL_MSG("invalid socket event"); |
| 1656 | return (LRESULT)0; |
| 1657 | } |
| 1658 | |
| 1659 | sock->OnRequest(sk_req); |
| 1660 | |
| 1661 | return (LRESULT)0; |
| 1662 | } |
| 1663 | |
| 1664 | FARPROC wxSocketSubClassProc = NULL; |
| 1665 | |
| 1666 | #endif |
| 1667 | |
| 1668 | wxSocketHandler::wxSocketHandler() |
| 1669 | { |
| 1670 | #if defined(__WINDOWS__) |
| 1671 | if (!win_initialized) |
| 1672 | { |
| 1673 | WSADATA wsaData; |
| 1674 | |
| 1675 | WSAStartup((1 << 8) | 1, &wsaData); |
| 1676 | win_initialized = 1; |
| 1677 | } |
| 1678 | internal = new wxSockHandlerInternal; |
| 1679 | internal->sockWin = ::CreateWindow(wxPanelClassName, NULL, 0, |
| 1680 | 0, 0, 0, 0, NULL, (HMENU) NULL, |
| 1681 | wxhInstance, 0); |
| 1682 | |
| 1683 | // Subclass the window |
| 1684 | if (!wxSocketSubClassProc) |
| 1685 | wxSocketSubClassProc = MakeProcInstance((FARPROC) wxSocketHandlerWndProc, wxhInstance); |
| 1686 | ::SetWindowLong(internal->sockWin, GWL_WNDPROC, (LONG) wxSocketSubClassProc); |
| 1687 | ::SetWindowLong(internal->sockWin, GWL_USERDATA, (LONG) this); |
| 1688 | |
| 1689 | internal->firstAvailableMsg = 5000; |
| 1690 | smsg_list = new wxList(wxKEY_INTEGER); |
| 1691 | #endif |
| 1692 | |
| 1693 | socks = new wxList; |
| 1694 | |
| 1695 | #ifndef __WINDOWS__ |
| 1696 | signal(SIGPIPE, SIG_IGN); |
| 1697 | #endif |
| 1698 | } |
| 1699 | |
| 1700 | // -------------------------------------------------------------- |
| 1701 | // --------- wxSocketHandler DESTRUCTOR ------------------------- |
| 1702 | // -------------------------------------------------------------- |
| 1703 | wxSocketHandler::~wxSocketHandler() |
| 1704 | { |
| 1705 | wxNode *next_node, *node = socks->First(); |
| 1706 | |
| 1707 | while (node) |
| 1708 | { |
| 1709 | wxSocketBase* sock = (wxSocketBase*)node->Data(); |
| 1710 | |
| 1711 | delete sock; |
| 1712 | next_node = node->Next(); |
| 1713 | delete node; |
| 1714 | node = next_node; |
| 1715 | } |
| 1716 | |
| 1717 | delete socks; |
| 1718 | |
| 1719 | #ifdef __WINDOWS__ |
| 1720 | delete smsg_list; |
| 1721 | |
| 1722 | ::DestroyWindow(internal->sockWin); |
| 1723 | WSACleanup(); |
| 1724 | win_initialized = 0; |
| 1725 | |
| 1726 | delete internal; |
| 1727 | #endif |
| 1728 | } |
| 1729 | |
| 1730 | // -------------------------------------------------------------- |
| 1731 | // --------- wxSocketHandler registering functions -------------- |
| 1732 | // -------------------------------------------------------------- |
| 1733 | |
| 1734 | void wxSocketHandler::Register(wxSocketBase* sock) |
| 1735 | { |
| 1736 | wxNode *node; |
| 1737 | |
| 1738 | for (node = socks->First(); node != NULL; node = node->Next()) |
| 1739 | { |
| 1740 | wxSocketBase* s = (wxSocketBase*)node->Data(); |
| 1741 | |
| 1742 | if (s == sock) |
| 1743 | return; |
| 1744 | } |
| 1745 | |
| 1746 | if (sock) |
| 1747 | { |
| 1748 | socks->Append(sock); |
| 1749 | sock->SetHandler(this); |
| 1750 | sock->SetupCallbacks(); |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | void wxSocketHandler::UnRegister(wxSocketBase* sock) |
| 1755 | { |
| 1756 | wxNode *node; |
| 1757 | |
| 1758 | for (node = socks->First(); node; node = node->Next()) |
| 1759 | { |
| 1760 | wxSocketBase* s = (wxSocketBase*)node->Data(); |
| 1761 | |
| 1762 | if (s == sock) |
| 1763 | { |
| 1764 | delete node; |
| 1765 | sock->DestroyCallbacks(); |
| 1766 | sock->SetHandler(NULL); |
| 1767 | return; |
| 1768 | } |
| 1769 | } |
| 1770 | } |
| 1771 | |
| 1772 | unsigned long wxSocketHandler::Count() const |
| 1773 | { |
| 1774 | return socks->Number(); |
| 1775 | } |
| 1776 | |
| 1777 | // -------------------------------------------------------------- |
| 1778 | // --------- wxSocketHandler "big" wait functions --------------- |
| 1779 | // -------------------------------------------------------------- |
| 1780 | void handler_cbk(wxSocketBase& sock, |
| 1781 | wxSocketBase::wxRequestEvent WXUNUSED(flags), |
| 1782 | char *cdata) |
| 1783 | { |
| 1784 | int *a_wait = (int *)cdata; |
| 1785 | |
| 1786 | (*a_wait)++; |
| 1787 | sock.Notify(FALSE); |
| 1788 | } |
| 1789 | |
| 1790 | int wxSocketHandler::Wait(long seconds, long microseconds) |
| 1791 | { |
| 1792 | int i; |
| 1793 | int on_wait; |
| 1794 | wxSockWakeUp s_wake(NULL, &on_wait, -2); |
| 1795 | wxNode *node; |
| 1796 | |
| 1797 | for (node = socks->First(), i=0; node; node = node->Next(), i++) |
| 1798 | { |
| 1799 | wxSocketBase *sock = (wxSocketBase *)node->Data(); |
| 1800 | |
| 1801 | sock->SaveState(); |
| 1802 | |
| 1803 | sock->SetupCallbacks(); |
| 1804 | |
| 1805 | sock->Callback(handler_cbk); |
| 1806 | sock->CallbackData((char *)&on_wait); |
| 1807 | } |
| 1808 | on_wait = 0; |
| 1809 | if (seconds != -1) |
| 1810 | s_wake.Start((seconds*1000) + (microseconds/1000), TRUE); |
| 1811 | |
| 1812 | while (!on_wait) |
| 1813 | PROCESS_EVENTS(); |
| 1814 | |
| 1815 | for (node = socks->First(), i=0; node; node = node->Next(), i++) |
| 1816 | { |
| 1817 | wxSocketBase *sock = (wxSocketBase *)node->Data(); |
| 1818 | |
| 1819 | sock->RestoreState(); |
| 1820 | } |
| 1821 | |
| 1822 | if (on_wait == -2) |
| 1823 | return 0; |
| 1824 | |
| 1825 | return on_wait; |
| 1826 | } |
| 1827 | |
| 1828 | void wxSocketHandler::YieldSock() |
| 1829 | { |
| 1830 | wxNode *node; |
| 1831 | |
| 1832 | for (node = socks->First(); node; node = node->Next() ) |
| 1833 | { |
| 1834 | wxSocketBase *sock = (wxSocketBase *)node->Data(); |
| 1835 | |
| 1836 | sock->SaveState(); |
| 1837 | |
| 1838 | sock->SetFlags(wxSocketBase::SPEED); |
| 1839 | if (sock->IsData()) |
| 1840 | sock->DoRequests(wxSocketBase::EVT_READ); |
| 1841 | sock->DoRequests(wxSocketBase::EVT_WRITE); |
| 1842 | |
| 1843 | sock->RestoreState(); |
| 1844 | } |
| 1845 | } |
| 1846 | |
| 1847 | // -------------------------------------------------------------- |
| 1848 | // --------- wxSocketHandler: create and register the socket ---- |
| 1849 | // -------------------------------------------------------------- |
| 1850 | wxSocketServer *wxSocketHandler::CreateServer(wxSockAddress& addr, |
| 1851 | wxSocketBase::wxSockFlags flags) |
| 1852 | { |
| 1853 | wxSocketServer *serv = new wxSocketServer(addr, flags); |
| 1854 | |
| 1855 | Register(serv); |
| 1856 | return serv; |
| 1857 | } |
| 1858 | |
| 1859 | wxSocketClient *wxSocketHandler::CreateClient(wxSocketBase::wxSockFlags flags) |
| 1860 | { |
| 1861 | wxSocketClient *client = new wxSocketClient(flags); |
| 1862 | |
| 1863 | Register(client); |
| 1864 | return client; |
| 1865 | } |
| 1866 | |
| 1867 | #ifdef __WINDOWS__ |
| 1868 | // -------------------------------------------------------------- |
| 1869 | // --------- wxSocketHandler: Windows specific methods ---------- |
| 1870 | // -------------------------------------------------------------- |
| 1871 | |
| 1872 | UINT wxSocketHandler::NewMessage(wxSocketBase *sock) |
| 1873 | { |
| 1874 | internal->firstAvailableMsg++; |
| 1875 | smsg_list->Append(internal->firstAvailableMsg, sock); |
| 1876 | return internal->firstAvailableMsg; |
| 1877 | } |
| 1878 | |
| 1879 | void wxSocketHandler::DestroyMessage(UINT msg) |
| 1880 | { |
| 1881 | wxNode *node = smsg_list->Find(msg); |
| 1882 | delete node; |
| 1883 | } |
| 1884 | |
| 1885 | HWND wxSocketHandler::GetHWND() const |
| 1886 | { |
| 1887 | return internal->sockWin; |
| 1888 | } |
| 1889 | |
| 1890 | #endif |
| 1891 | |
| 1892 | bool wxSocketModule::OnInit() |
| 1893 | { |
| 1894 | wxSocketHandler::master = new wxSocketHandler(); |
| 1895 | return TRUE; |
| 1896 | } |
| 1897 | |
| 1898 | void wxSocketModule::OnExit() |
| 1899 | { |
| 1900 | delete wxSocketHandler::master; |
| 1901 | wxSocketHandler::master = NULL; |
| 1902 | } |
| 1903 | |
| 1904 | #ifdef __WXMAC__ |
| 1905 | void wxMacProcessSocketEvents() ; |
| 1906 | void wxMacProcessEvents() |
| 1907 | { |
| 1908 | wxMacProcessSocketEvents() ; |
| 1909 | (*GUSISpin)(SP_MISC, 0) ; |
| 1910 | } |
| 1911 | |
| 1912 | void wxMacProcessSocketEvents() |
| 1913 | { |
| 1914 | while ( wxMacNetEventsTop != wxMacNetEventsBottom ) |
| 1915 | { |
| 1916 | // consume event at wxMacNetEventsBottom |
| 1917 | wxMacSocketOnRequestProc(wxMacNetEventsReferences[wxMacNetEventsBottom] , wxMacNetEventsEvents[wxMacNetEventsBottom] ) ; |
| 1918 | wxMacNetEventsBottom++ ; |
| 1919 | if ( wxMacNetEventsBottom == kwxMacNetEventsMax ) |
| 1920 | wxMacNetEventsBottom = 0 ; |
| 1921 | } |
| 1922 | } |
| 1923 | #endif |
| 1924 | |
| 1925 | #endif |
| 1926 | // __WXSTUBS__ |
| 1927 | |
| 1928 | #endif |
| 1929 | // wxUSE_SOCKETS |