X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1bfcb0b6c3728b9e3e970c8569cf6405df9ff4f9..2b8f5a2488b051daf6f9c0d161e57e0d1dabeab0:/src/common/socket.cpp?ds=sidebyside diff --git a/src/common/socket.cpp b/src/common/socket.cpp index cf219b9ea0..608ccd38d4 100644 --- a/src/common/socket.cpp +++ b/src/common/socket.cpp @@ -1,22 +1,19 @@ -//////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////// // Name: socket.cpp // Purpose: Socket handler classes -// Authors: Guilhem Lavaux (completely rewritten from a basic API of Andrew -// Davidson(1995) in wxWeb) +// Authors: Guilhem Lavaux, Guillermo Rodriguez Garcia // Created: April 1997 -// Updated: March 1998 -// Copyright: (C) 1998, 1997, Guilhem Lavaux +// Updated: September 1999 +// Copyright: (C) 1999, 1998, 1997, Guilhem Lavaux +// (C) 1999, Guillermo Rodriguez Garcia // RCS_ID: $Id$ // License: see wxWindows license -//////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////// + #ifdef __GNUG__ #pragma implementation "socket.h" #endif -#ifdef __MWERKS__ -typedef int socklen_t ; -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -29,177 +26,33 @@ typedef int socklen_t ; ///////////////////////////////////////////////////////////////////////////// // wxWindows headers ///////////////////////////////////////////////////////////////////////////// -#include -#include -#include -#include -#include - -// Not enough OS behaviour defined for wxStubs -#ifndef __WXSTUBS__ +#include "wx/defs.h" +#include "wx/object.h" +#include "wx/string.h" +#include "wx/timer.h" +#include "wx/utils.h" +#include "wx/module.h" +#include "wx/log.h" +#include "wx/intl.h" #include #include #include -///////////////////////////////////////////////////////////////////////////// -// System specific headers -///////////////////////////////////////////////////////////////////////////// -#ifdef __WXMAC__ -// in order to avoid problems with our c library and double definitions -#define close closesocket -#define ioctl ioctlsocket - -#include -extern GUSISpinFn GUSISpin; -#define PROCESS_EVENTS() wxMacProcessEvents() -const short kwxMacNetEventsMax = 1000 ; -short wxMacNetEventsTop = 0 ; -short wxMacNetEventsBottom = 0 ; -short wxMacNetEventsEvents[kwxMacNetEventsMax] ; -void *wxMacNetEventsReferences[kwxMacNetEventsMax] ; - -#define FD_READ 1 -#define FD_WRITE 2 -#define FD_CLOSE 4 -#define FD_ACCEPT 8 -#define FD_CONNECT 16 -#define FD_READY 32 - -extern "C" void wxMacSocketHandlerProc( void *refcon , short event ) ; // adds events -extern "C" void wxMacSocketOnRequestProc( void *refcon , short event ) ; // consumes them -extern "C" void GUSISetReference( short sock , short eventmask , void * data ) ; -void wxMacProcessEvents() ; -#endif - -#if defined(__WINDOWS__) -#include -#endif // __WINDOWS__ - -#if defined(__UNIX__) - -#ifdef VMS -#include -#else -#include -#endif -#include - -#include -#include - -#ifdef sun -#include -#endif - -#endif // __UNIX__ - -#include -#include - -#ifdef __VISUALC__ -#include -#endif - -#if defined(__WXMOTIF__) || defined(__WXXT__) -#include - -///////////////////////////// -// Needs internal variables -///////////////////////////// -#ifdef __WXXT__ -#define Uses_XtIntrinsic -#endif - -#endif - -#if defined(__WXGTK__) -#include -#endif - ///////////////////////////////////////////////////////////////////////////// // wxSocket headers ///////////////////////////////////////////////////////////////////////////// -#include "wx/module.h" -#define WXSOCK_INTERNAL #include "wx/sckaddr.h" #include "wx/socket.h" -///////////////////////////////////////////////////////////////////////////// -// Some patch ///// BEGIN -///////////////////////////////////////////////////////////////////////////// -#ifdef __WINDOWS__ -#define close closesocket -#define ioctl ioctlsocket -#ifdef errno -#undef errno -#endif -#define errno WSAGetLastError() -#ifdef EWOULDBLOCK -#undef EWOULDBLOCK -#endif -#define EWOULDBLOCK WSAEWOULDBLOCK -#define ETIMEDOUT WSAETIMEDOUT -#undef EINTR -#define EINTR WSAEINTR -#endif - -#ifndef __WINDOWS__ -#define INVALID_SOCKET -1 -#endif - -#ifdef __WXMOTIF__ -#define wxAPP_CONTEXT ((XtAppContext)wxTheApp->GetAppContext()) -#endif - -#ifdef __WINDOWS__ -// This is an MS TCP/IP routine and is not needed here. Some WinSock -// implementations (such as PC-NFS) will require you to include this -// or a similar routine (see appendix in WinSock doc or help file). - -#if defined( NEED_WSAFDIsSet ) || defined( __VISUALC__ ) -int PASCAL FAR __WSAFDIsSet(SOCKET fd, fd_set FAR *set) -{ - int i = set->fd_count; - - while (i--) - { - if (set->fd_array[i] == fd) - return 1; - } - - return 0; -} -#endif -#endif -#if defined(__WINDOWS__) -#define PROCESS_EVENTS() wxYield() -#elif defined(__WXXT__) || defined(__WXMOTIF__) -#define PROCESS_EVENTS() XtAppProcessEvent(wxAPP_CONTEXT, XtIMAll) +#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMOTIF__) || defined(__WXMAC__) + #define PROCESS_EVENTS() wxYield() #elif defined(__WXGTK__) -#define PROCESS_EVENTS() gtk_main_iteration() -#endif - -///////////////////////////////////////////////////////////////////////////// -// Some patch ///// END -///////////////////////////////////////////////////////////////////////////// - -#ifdef GetClassInfo -#undef GetClassInfo + #include + #define PROCESS_EVENTS() gtk_main_iteration() #endif -// -------------------------------------------------------------- -// Module -// -------------------------------------------------------------- -class wxSocketModule: public wxModule -{ - DECLARE_DYNAMIC_CLASS(wxSocketModule) -public: - wxSocketModule() {} - bool OnInit(); - void OnExit(); -}; // -------------------------------------------------------------- // ClassInfos @@ -208,1724 +61,1231 @@ public: IMPLEMENT_CLASS(wxSocketBase, wxObject) IMPLEMENT_CLASS(wxSocketServer, wxSocketBase) IMPLEMENT_CLASS(wxSocketClient, wxSocketBase) -IMPLEMENT_CLASS(wxSocketHandler, wxObject) IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent) -IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule) #endif -class wxSockWakeUp : public wxTimer +class wxSocketState : public wxObject { public: - int *my_id; - int n_val; - wxSocketBase *sock; - - wxSockWakeUp(wxSocketBase *_sock, int *id, int new_val) - { - my_id = id; n_val = new_val; - sock = _sock; - } - virtual void Notify() - { - *my_id = n_val; - if (sock) sock->Notify(FALSE); - } -}; + bool notify_state; + GSocketEventFlags evt_notify_state; + wxSockFlags socket_flags; + wxSocketBase::wxSockCbk c_callback; + char *c_callback_data; -/// Socket request -class SockRequest : public wxObject -{ public: - char *buffer; - size_t size, nbytes; - bool done; - int error; - wxSockWakeUp *auto_wakeup; - wxSocketBase::wxRequestNotify type; + wxSocketState() : wxObject() {} }; - -///////////////////////////////////////////////////////////////////////////// -// Some internal define -///////////////////////////////////////////////////////////////////////////// - // -------------------------------------------------------------- -// --------- wxSocketBase CONSTRUCTOR --------------------------- +// wxSocketBase ctor and dtor // -------------------------------------------------------------- -wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags, - wxSocketBase::wxSockType _type) : + +wxSocketBase::wxSocketBase(wxSockFlags _flags, wxSockType _type) : wxEvtHandler(), - m_flags(_flags), m_type(_type), m_connected(FALSE), m_connecting(FALSE), - m_fd(INVALID_SOCKET), m_waitflags(0), m_cbk(0), m_cdata(0), m_id(-1), - m_handler(0), - m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)), - m_cbkon(FALSE), - m_unread(NULL), m_unrd_size(0), - m_processing(FALSE), - m_timeout(3600), m_wantbuf(0) + m_socket(NULL), m_id(-1), + m_flags(_flags), m_type(_type), + m_neededreq(0), m_notify_state(FALSE), + m_connected(FALSE), m_establishing(FALSE), + m_reading(FALSE), m_writing(FALSE), + m_error(FALSE), m_lcount(0), m_timeout(600), m_states(), + m_unread(NULL), m_unrd_size(0), m_unrd_cur(0), + m_defering(NO_DEFER), m_defer_buffer(NULL), m_defer_timer(NULL), + m_cbk(NULL), m_cdata(NULL) { - m_internal = new wxSockInternal; -#if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__) - m_internal->sock_inputid = 0; - m_internal->sock_outputid = 0; - m_internal->sock_exceptid = 0; -#endif -#ifdef __WINDOWS__ - m_internal->my_msg = 0; -#endif } wxSocketBase::wxSocketBase() : wxEvtHandler(), - m_flags(WAITALL), m_type(SOCK_UNINIT), m_connected(FALSE), - m_connecting(FALSE), m_fd(INVALID_SOCKET), m_waitflags(0), - m_cbk(0), m_cdata(0), - m_id(-1), m_handler(0), - m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)), - m_cbkon(FALSE), - m_unread(NULL), m_unrd_size(0), - m_processing(FALSE), - m_timeout(3600), m_wantbuf(0) + m_socket(NULL), m_id(-1), + m_flags(NONE), m_type(SOCK_UNINIT), + m_neededreq(0), m_notify_state(FALSE), + m_connected(FALSE), m_establishing(FALSE), + m_reading(FALSE), m_writing(FALSE), + m_error(FALSE), m_lcount(0), m_timeout(600), m_states(), + m_unread(NULL), m_unrd_size(0), m_unrd_cur(0), + m_defering(NO_DEFER), m_defer_buffer(NULL), m_defer_timer(NULL), + m_cbk(NULL), m_cdata(NULL) { - m_internal = new wxSockInternal; -#if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__) - m_internal->sock_inputid = 0; - m_internal->sock_outputid = 0; - m_internal->sock_exceptid = 0; -#endif -#ifdef __WINDOWS__ - m_internal->my_msg = 0; -#endif } -// -------------------------------------------------------------- -// wxSocketBase -// -------------------------------------------------------------- - wxSocketBase::~wxSocketBase() { - DestroyCallbacks(); - Close(); - if (m_unread) free(m_unread); - if (m_handler) - { -#ifdef __WINDOWS__ - if (m_internal->my_msg) - m_handler->DestroyMessage(m_internal->my_msg); -#endif - m_handler->UnRegister(this); - } - m_states.DeleteContents(TRUE); - delete m_internal; + // Shutdown and close the socket + Close(); + + // Destroy the GSocket object + if (m_socket) + GSocket_destroy(m_socket); } bool wxSocketBase::Close() { - if (m_fd != INVALID_SOCKET) + if (m_socket) { - for (int i=0;i<3;i++) - { - wxNode *n, *node = req_list[i].First(); - - while (node) - { - SockRequest *req = (SockRequest *)node->Data(); - req->done = TRUE; + // Disable callbacks + GSocket_UnsetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | + GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG); - n = node->Next(); - delete node; - node = n; - } - } - - DestroyCallbacks(); - shutdown(m_fd, 2); - close(m_fd); - m_fd = INVALID_SOCKET; + // Shutdown the connection + GSocket_Shutdown(m_socket); m_connected = FALSE; + m_establishing = FALSE; } return TRUE; } // -------------------------------------------------------------- -// wxSocketBase base IO function +// wxSocketBase basic IO operations // -------------------------------------------------------------- -wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes) -{ - size_t count; +// All IO operations {Read, Write, ReadMsg, WriteMsg, Peek, +// Unread, Discard} update m_error and m_lcount. +// +// TODO: Should Connect, Accept and AcceptWith update m_error? - count = GetPushback(buffer, nbytes, FALSE); - nbytes -= count; - buffer += count; +class _wxSocketInternalTimer: public wxTimer +{ +public: + int *m_state; + unsigned long m_new_val; - // If we have got the whole needed buffer or if we don't want to - // wait then it returns immediately. - if (!nbytes || (count && !(m_flags & WAITALL)) ) { - m_lcount = count; - return *this; + void Notify() + { + *m_state = m_new_val; // Change the value } +}; - m_lcount = 0; - WantBuffer(buffer, nbytes, EVT_READ); - m_lcount += count; +wxUint32 wxSocketBase::DeferRead(char *buffer, wxUint32 nbytes) +{ + // Timer for timeout + _wxSocketInternalTimer timer; - return *this; -} + //wxLogMessage("Entrando a DeferRead, nbytes = %d", nbytes); + wxASSERT(m_defering == NO_DEFER); -wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes) -{ - size_t count; + // Set the defering mode to READ. + m_defering = DEFER_READ; + + // Set the current buffer. + m_defer_buffer = buffer; + m_defer_nbytes = nbytes; + m_defer_timer = &timer; + + timer.m_state = (int *)&m_defer_buffer; + timer.m_new_val = 0; + + timer.Start(m_timeout * 1000, FALSE); - count = GetPushback(buffer, nbytes, TRUE); - if (nbytes-count == 0) + // If the socket is readable, call DoDefer for the first time + if (GSocket_Select(m_socket, GSOCK_INPUT_FLAG)) { - m_lcount = nbytes; - return *this; + //wxLogMessage("Llamando al primer DoDefer"); + DoDefer(); } - buffer += count; - nbytes -= count; - m_lcount = 0; - WantBuffer(buffer, nbytes, EVT_PEEK); - m_lcount += count; + // Wait for buffer completion. + while (m_defer_buffer != NULL) + PROCESS_EVENTS(); - return *this; -} + timer.Stop(); -wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes) -{ - WantBuffer((char *)buffer, nbytes, EVT_WRITE); - return *this; + // Disable defering mode. + m_defering = NO_DEFER; + m_defer_timer = NULL; + + // Return the number of bytes read from the socket. + //wxLogMessage("Saliendo de DeferRead: total: %d bytes", nbytes - m_defer_nbytes); + return nbytes-m_defer_nbytes; } -wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes) +wxSocketBase& wxSocketBase::Read(char* buffer, wxUint32 nbytes) { - SockMsg msg; - size_t len, len2, sig; + // Mask read events + m_reading = TRUE; - Read((char *)&msg, sizeof(msg)); - if (m_lcount != sizeof(msg)) - return *this; + m_lcount = _Read(buffer, nbytes); - sig = msg.sig[0] & 0xff; - sig |= (size_t)(msg.sig[1] & 0xff) << 8; - sig |= (size_t)(msg.sig[2] & 0xff) << 16; - sig |= (size_t)(msg.sig[3] & 0xff) << 24; - - if (sig != 0xfeeddead) - return *this; - len = msg.len[0] & 0xff; - len |= (size_t)(msg.len[1] & 0xff) << 8; - len |= (size_t)(msg.len[2] & 0xff) << 16; - len |= (size_t)(msg.len[3] & 0xff) << 24; - len2 = len; - if (len > nbytes) - len = nbytes; + // If in WAITALL mode, all bytes should have been read. + if (m_flags & WAITALL) + m_error = (m_lcount != nbytes); else - len2 = 0; + m_error = (m_lcount == 0); - if (Read(buffer, len).LastCount() != len) - return *this; - if (len2 && (Read(NULL, len2).LastCount() != len2)) - return *this; - if (Read((char *)&msg, sizeof(msg)).LastCount() != sizeof(msg)) - return *this; - - sig = msg.sig[0] & 0xff; - sig |= (size_t)(msg.sig[1] & 0xff) << 8; - sig |= (size_t)(msg.sig[2] & 0xff) << 16; - sig |= (size_t)(msg.sig[3] & 0xff) << 24; -// ERROR - if (sig != 0xdeadfeed) - return *this; + // Trigger another read event if there is still data available. + m_reading = FALSE; + // TODO: TriggerRead return *this; } -wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes) +wxUint32 wxSocketBase::_Read(char* buffer, wxUint32 nbytes) { - SockMsg msg; + int total; + int ret = 1; - // warning about 'cast truncates constant value' -#ifdef __VISUALC__ - #pragma warning(disable: 4310) -#endif // __VISUALC__ - - msg.sig[0] = (char) 0xad; - msg.sig[1] = (char) 0xde; - msg.sig[2] = (char) 0xed; - msg.sig[3] = (char) 0xfe; - - msg.len[0] = (char) nbytes & 0xff; - msg.len[1] = (char) (nbytes >> 8) & 0xff; - msg.len[2] = (char) (nbytes >> 16) & 0xff; - msg.len[3] = (char) (nbytes >> 24) & 0xff; - - if (Write((char *)&msg, sizeof(msg)).LastCount() < sizeof(msg)) - return *this; - if (Write(buffer, nbytes).LastCount() < nbytes) - return *this; - - msg.sig[0] = (char) 0xed; - msg.sig[1] = (char) 0xfe; - msg.sig[2] = (char) 0xad; - msg.sig[3] = (char) 0xde; - msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0; - Write((char *)&msg, sizeof(msg)); + // we try this even if the connection has already been closed. + total = GetPushback(buffer, nbytes, FALSE); + nbytes -= total; + buffer += total; - return *this; + // If the socket is not connected, or we have got the whole + // needed buffer, return immedately + if (!m_connected || !m_socket || !nbytes) + return total; -#ifdef __VISUALC__ - #pragma warning(default: 4310) -#endif // __VISUALC__ -} + // Possible combinations (they are checked in this order) + // NOWAIT + // SPEED | WAITALL + // SPEED + // WAITALL + // NONE + // + if (m_flags & NOWAIT) // NOWAIT + { + GSocket_SetNonBlocking(m_socket, TRUE); + ret = GSocket_Read(m_socket, buffer, nbytes); + GSocket_SetNonBlocking(m_socket, FALSE); -wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes) -{ - CreatePushbackAfter(buffer, nbytes); - return *this; -} + if (ret > 0) + total += ret; + } + else if ((m_flags & SPEED) && (m_flags & WAITALL)) // SPEED, WAITALL + { + while (ret > 0 && nbytes > 0) + { + ret = GSocket_Read(m_socket, buffer, nbytes); + total += ret; + buffer += ret; + nbytes -= ret; + } + // In case the last call was an error ... + if (ret < 0) + total++; + } + else if (m_flags & SPEED) // SPEED, !WAITALL + { + ret = GSocket_Read(m_socket, buffer, nbytes); -bool wxSocketBase::IsData() const -{ - struct timeval tv; - fd_set sock_set; + if (ret > 0) + total += ret; + } + else // NONE or WAITALL + { + ret = DeferRead(buffer, nbytes); - if (m_fd < 0) - return FALSE; - if (m_unrd_size > 0) - return TRUE; + if (ret > 0) + total += ret; + } - tv.tv_sec = 0; - tv.tv_usec = 0; - FD_ZERO(&sock_set); - FD_SET(m_fd, &sock_set); - select(FD_SETSIZE, &sock_set, NULL, NULL, &tv); - return (FD_ISSET(m_fd, &sock_set) != 0); + return total; } -// --------------------------------------------------------------------- -// --------- wxSocketBase Discard(): deletes all byte in the input queue -// --------------------------------------------------------------------- -void wxSocketBase::Discard() +wxSocketBase& wxSocketBase::ReadMsg(char* buffer, wxUint32 nbytes) { -#define MAX_BUFSIZE (10*1024) - char *my_data = new char[MAX_BUFSIZE]; - size_t recv_size = MAX_BUFSIZE; - - SaveState(); - SetFlags((wxSockFlags)(NOWAIT | SPEED)); +#define MAX_DISCARD_SIZE (10 * 1024) - while (recv_size == MAX_BUFSIZE) + wxUint32 len, len2, sig, total; + bool error; + int old_flags; + struct { - recv_size = Read(my_data, MAX_BUFSIZE).LastCount(); - } + unsigned char sig[4]; + unsigned char len[4]; + } msg; - RestoreState(); - delete [] my_data; + // Mask read events + m_reading = TRUE; -#undef MAX_BUFSIZE -} + total = 0; + error = TRUE; + old_flags = m_flags; + SetFlags((m_flags & SPEED) | WAITALL); -// If what? Who seems to need unsigned int? -// BTW uint isn't even defined on wxMSW for VC++ for some reason. Even if it -// were, getpeername/getsockname don't take unsigned int*, they take int*. -// -// Under glibc 2.0.7, socketbits.h declares socklen_t to be unsigned int -// and it uses *socklen_t as the 3rd parameter. Robert. - -// JACS - How can we detect this? -// Meanwhile, if your compiler complains about socklen_t, -// switch lines below. - -#if wxHAVE_GLIBC2 -# typedef socklen_t wxSOCKET_INT; -#elif defined(__AIX__) -# typedef size_t wxSOCKET_INT; -#else -# typedef int wxSOCKET_INT; -#endif + if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg)) + goto exit; -// -------------------------------------------------------------- -// wxSocketBase socket info functions -// -------------------------------------------------------------- + sig = (wxUint32)msg.sig[0]; + sig |= (wxUint32)(msg.sig[1] << 8); + sig |= (wxUint32)(msg.sig[2] << 16); + sig |= (wxUint32)(msg.sig[3] << 24); -bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const -{ - struct sockaddr my_addr; - wxSOCKET_INT len_addr = sizeof(my_addr); + if (sig != 0xfeeddead) + { + wxLogWarning( _("TCP: invalid signature returned to ReadMsg.")); + goto exit; + } - if (m_fd < 0) - return FALSE; + len = (wxUint32)msg.len[0]; + len |= (wxUint32)(msg.len[1] << 8); + len |= (wxUint32)(msg.len[2] << 16); + len |= (wxUint32)(msg.len[3] << 24); - if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) - return FALSE; + //wxLogMessage("Readmsg: %d %d %d %d -> len == %d", + // msg.len[0], msg.len[1], msg.len[2], msg.len[3], len); - addr_man.Disassemble(&my_addr, len_addr); - return TRUE; -} + if (len > nbytes) + { + len2 = len - nbytes; + len = nbytes; + } + else + len2 = 0; -bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const -{ - struct sockaddr my_addr; - wxSOCKET_INT len_addr = sizeof(my_addr); + // This check is necessary so that we don't attemp to read if + // the msg was zero bytes long. + if (len) + { + total = _Read(buffer, len); - if (m_fd < 0) - return FALSE; + if (total != len) + goto exit; + } + if (len2) + { + char *discard_buffer = new char[MAX_DISCARD_SIZE]; + long discard_len; - if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) + // NOTE: discarded bytes don't add to m_lcount. + do + { + discard_len = ((len2 > MAX_DISCARD_SIZE)? MAX_DISCARD_SIZE : len2); + discard_len = _Read(discard_buffer, discard_len); + len2 -= discard_len; + } + while ((discard_len > 0) && len2); - return FALSE; + delete [] discard_buffer; - addr_man.Disassemble(&my_addr, len_addr); - return TRUE; -} + if (len2 != 0) + goto exit; + } + if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg)) + goto exit; -// -------------------------------------------------------------- -// wxSocketBase wait functions -// -------------------------------------------------------------- + sig = (wxUint32)msg.sig[0]; + sig |= (wxUint32)(msg.sig[1] << 8); + sig |= (wxUint32)(msg.sig[2] << 16); + sig |= (wxUint32)(msg.sig[3] << 24); -void wxSocketBase::SaveState() -{ - wxSockState *state = new wxSockState; + if (sig != 0xdeadfeed) + { + //wxLogMessage(wxT("Warning: invalid signature returned to ReadMsg")); + goto exit; + } - state->cbk_on = m_cbkon; - state->cbk_set= m_neededreq; - state->cbk = m_cbk; - state->cdata = m_cdata; - state->flags = m_flags; - state->notif = m_notifyme; + // everything was OK + error = FALSE; - m_states.Append(state); +exit: + m_error = error; + m_lcount = total; + m_reading = FALSE; + SetFlags(old_flags); + + // TODO: TriggerRead + return *this; + +#undef MAX_DISCARD_SIZE } -void wxSocketBase::RestoreState() +wxSocketBase& wxSocketBase::Peek(char* buffer, wxUint32 nbytes) { - wxNode *node; - - node = m_states.Last(); - if (!node) - return; + // Mask read events + m_reading = TRUE; - wxSockState *state = (wxSockState *)node->Data(); + m_lcount = _Read(buffer, nbytes); + Pushback(buffer, nbytes); - SetFlags(state->flags); - m_neededreq = state->cbk_set; - m_cbk = state->cbk; - m_cdata = state->cdata; - m_notifyme = state->notif; - if (state->cbk_on) - SetupCallbacks(); + // If in WAITALL mode, all bytes should have been read. + if (m_flags & WAITALL) + m_error = (m_lcount != nbytes); else - DestroyCallbacks(); + m_error = (m_lcount == 0); - delete node; - delete state; -} + // Trigger another read event if there is still data available. + m_reading = FALSE; -// -------------------------------------------------------------- -// --------- wxSocketBase wait functions ------------------------ -// -------------------------------------------------------------- + // TODO: TriggerRead + return *this; +} -bool wxSocketBase::_Wait(long seconds, long microseconds, int type) +wxUint32 wxSocketBase::DeferWrite(const char *buffer, wxUint32 nbytes) { - if ((!m_connected && !m_connecting) || m_fd < 0) - return FALSE; + // Timer for timeout + _wxSocketInternalTimer timer; - wxSockWakeUp wakeup(this, &m_waitflags, 0); + wxASSERT(m_defering == NO_DEFER); + //wxLogMessage("Entrando a DeferWrite"); - SaveState(); - SetNotify((wxRequestNotify)type); - SetupCallbacks(); + m_defering = DEFER_WRITE; - if (seconds != -1) - wakeup.Start((int)(seconds*1000 + (microseconds / 1000)), TRUE); + // Set the current buffer + m_defer_buffer = (char *)buffer; + m_defer_nbytes = nbytes; + m_defer_timer = &timer; - m_waitflags = 0x80 | type; - while (m_waitflags & 0x80) - PROCESS_EVENTS(); + // Start timer + timer.m_state = (int *)&m_defer_buffer; + timer.m_new_val = 0; - RestoreState(); + timer.Start(m_timeout * 1000, FALSE); - if (m_waitflags & 0x40) + // If the socket is writable, call DoDefer for the first time + if (GSocket_Select(m_socket, GSOCK_OUTPUT_FLAG)) { - m_waitflags = 0; - return TRUE; + //wxLogMessage("Llamando al primer DoDefer"); + DoDefer(); } - m_waitflags = 0; - return FALSE; -} + // Wait for buffer completion. + while (m_defer_buffer != NULL) + PROCESS_EVENTS(); -bool wxSocketBase::Wait(long seconds, long microseconds) -{ - return _Wait(seconds, microseconds, REQ_ACCEPT | REQ_CONNECT | - REQ_READ | REQ_WRITE | REQ_LOST); -} + timer.Stop(); -bool wxSocketBase::WaitForRead(long seconds, long microseconds) -{ - return _Wait(seconds, microseconds, REQ_READ | REQ_LOST); -} + // Disable defering mode + m_defer_timer = NULL; + m_defering = NO_DEFER; -bool wxSocketBase::WaitForWrite(long seconds, long microseconds) -{ - return _Wait(seconds, microseconds, REQ_WRITE); + //wxString s; + //s.Printf(wxT("Saliendo de DeferWrite: total %d bytes"), nbytes-m_defer_nbytes); + //wxLogMessage(s); + + return nbytes-m_defer_nbytes; } -bool wxSocketBase::WaitForLost(long seconds, long microseconds) +wxSocketBase& wxSocketBase::Write(const char *buffer, wxUint32 nbytes) { - return _Wait(seconds, microseconds, REQ_LOST); -} + // Mask write events + m_writing = TRUE; -// -------------------------------------------------------------- -// --------- wxSocketBase callback management ------------------- -// -------------------------------------------------------------- + m_lcount = _Write(buffer, nbytes); -#ifdef __WXGTK__ -void wxPrereadSocket(wxSocketBase *sock) -{ - char tmp_buf[1024]; - int got = 0; - - do { - got = recv(sock->m_fd, tmp_buf, 1024, 0); - if (got > 0) - sock->CreatePushbackAfter(tmp_buf, got); - } while (got > 0); + // If in WAITALL mode, all bytes should have been written. + if (m_flags & WAITALL) + m_error = (m_lcount != nbytes); + else + m_error = (m_lcount == 0); + + // Trigger another write event if the socket is still writable + m_writing = FALSE; + + // TODO: TriggerWrite + return *this; } -#endif -#if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__) -#if defined(__WXMOTIF__) || defined(__WXXT__) -static void wx_socket_read(XtPointer client, int *fid, - XtInputId *WXUNUSED(id)) -#define fd *fid -#else -static void wx_socket_read(gpointer client, gint fd, - GdkInputCondition WXUNUSED(cond)) -#define fd fd -#endif +wxUint32 wxSocketBase::_Write(const char *buffer, wxUint32 nbytes) { - wxSocketBase *sock = (wxSocketBase *)client; - char c; - int i; + wxUint32 total = 0; + int ret = 1; - i = recv(fd, &c, 1, MSG_PEEK); + if (!m_connected || !m_socket) + return 0; - if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) + // Possible combinations (they are checked in this order) + // NOWAIT + // SPEED | WAITALL + // SPEED + // WAITALL + // NONE + // + if (m_flags & NOWAIT) // NOWAIT { - sock->OnRequest(wxSocketBase::EVT_ACCEPT); - return; - } + GSocket_SetNonBlocking(m_socket, TRUE); + ret = GSocket_Write(m_socket, buffer, nbytes); + GSocket_SetNonBlocking(m_socket, FALSE); - if (i != 0) + if (ret > 0) + total = ret; + } + else if ((m_flags & SPEED) && (m_flags & WAITALL)) // SPEED, WAITALL { - if (!(sock->NeededReq() & wxSocketBase::REQ_READ)) + while (ret > 0 && nbytes > 0) { -#ifdef __WXGTK__ - // We can't exit from the GDK main loop because it doesn't accept - // destroying input event while we are in a event dispatch. - // So we will preread socket and we put the data in the pushback. - wxPrereadSocket(sock); - // Then we set the socket as BLOCKING - int flag = 0; - ioctl(fd, FIONBIO, &flag); -#endif - return; + ret = GSocket_Write(m_socket, buffer, nbytes); + total += ret; + buffer += ret; + nbytes -= ret; } + // In case the last call was an error ... + if (ret < 0) + total ++; + } + else if (m_flags & SPEED) // SPEED, !WAITALL + { + ret = GSocket_Write(m_socket, buffer, nbytes); - sock->OnRequest(wxSocketBase::EVT_READ); - } - else + if (ret > 0) + total = ret; + } + else // NONE or WAITALL { - if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) - { - sock->Close(); - return; - } + ret = DeferWrite(buffer, nbytes); - sock->OnRequest(wxSocketBase::EVT_LOST); + if (ret > 0) + total = ret; } -} -#undef fd - -#if defined(__WXMOTIF__) || defined(__WXXT__) -static void wx_socket_write(XtPointer client, int *WXUNUSED(fid), - XtInputId *WXUNUSED(id)) -#else -static void wx_socket_write(gpointer client, gint WXUNUSED(fd), - GdkInputCondition WXUNUSED(cond)) -#endif -{ - wxSocketBase *sock = (wxSocketBase *)client; - if (!sock->IsConnected()) - sock->OnRequest(wxSocketBase::EVT_CONNECT); - else - sock->OnRequest(wxSocketBase::EVT_WRITE); + return total; } -#endif -#ifdef wx_xview -Notify_value wx_sock_read_xview (Notify_client client, int fd) +wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, wxUint32 nbytes) { - wxSocketBase *sock = (wxSocketBase *)client; - char c; - int i; + wxUint32 total; + bool error; + int old_flags; + struct { + unsigned char sig[4]; + unsigned char len[4]; + } msg; - i = recv(fd, &c, 1, MSG_PEEK); + // Mask write events + m_writing = TRUE; - if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) - { - sock->OnRequest(wxSocketBase::EVT_ACCEPT); - return; - } + error = TRUE; + total = 0; + old_flags = m_flags; + SetFlags((m_flags & SPEED) | WAITALL); - /* Bytes arrived */ - if (i != 0) - { - if (!(sock->NeededReq() & wxSocketBase::REQ_READ)) - return (Notify_value) FALSE; + // warning about 'cast truncates constant value' +#ifdef __VISUALC__ +# pragma warning(disable: 4310) +#endif // __VISUALC__ - sock->OnRequest(wxSocketBase::EVT_READ); - } - else - { - if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) - return; + msg.sig[0] = (unsigned char) 0xad; + msg.sig[1] = (unsigned char) 0xde; + msg.sig[2] = (unsigned char) 0xed; + msg.sig[3] = (unsigned char) 0xfe; - sock->OnRequest(wxSocketBase::EVT_LOST); - } + msg.len[0] = (unsigned char) nbytes & 0xff; + msg.len[1] = (unsigned char) (nbytes >> 8) & 0xff; + msg.len[2] = (unsigned char) (nbytes >> 16) & 0xff; + msg.len[3] = (unsigned char) (nbytes >> 24) & 0xff; - return (Notify_value) FALSE; -} + //wxLogMessage("Writemsg: %d %d %d %d -> %d", + // nbytes & 0xff, + // (nbytes >> 8) & 0xff, + // (nbytes >> 16) & 0xff, + // (nbytes >> 24) & 0xff, + // nbytes + // ); -Notify_value wx_sock_write_xview (Notify_client client, int fd) -{ - wxSocketBase *sock = (wxSocketBase *)client; + if (_Write((char *)&msg, sizeof(msg)) < sizeof(msg)) + goto exit; - if (!sock->IsConnected()) - sock->OnRequest(wxSocketBase::EVT_CONNECT); - else - sock->OnRequest(wxSocketBase::EVT_WRITE); + total = _Write(buffer, nbytes); - return (Notify_value) TRUE; -} -#endif + if (total < nbytes) + goto exit; -wxSocketBase::wxRequestNotify wxSocketBase::EventToNotify(wxRequestEvent evt) -{ - switch (evt) - { - case EVT_READ: - return REQ_READ; - case EVT_PEEK: - return REQ_PEEK; - case EVT_WRITE: - return REQ_WRITE; - case EVT_LOST: - return REQ_LOST; - case EVT_ACCEPT: - return REQ_ACCEPT; - case EVT_CONNECT: - return REQ_CONNECT; - } - return 0; -} + msg.sig[0] = (unsigned char) 0xed; + msg.sig[1] = (unsigned char) 0xfe; + msg.sig[2] = (unsigned char) 0xad; + msg.sig[3] = (unsigned char) 0xde; + msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0; -void wxSocketBase::SetFlags(wxSockFlags _flags) -{ - m_flags = _flags; - if (_flags & SPEED) - { - unsigned long flag = 0; - ioctl(m_fd, FIONBIO, &flag); + if ((_Write((char *)&msg, sizeof(msg))) < sizeof(msg)) + goto exit; - // SPEED and WAITALL are antagonists. - m_flags = (wxSockFlags)(m_flags & ~WAITALL); + // everything was OK + error = FALSE; - Notify(FALSE); - } - else - { - unsigned long flag = 1; - ioctl(m_fd, FIONBIO, &flag); - } +exit: + m_error = error; + m_lcount = total; + m_writing = FALSE; + + // TODO: TriggerWrite + return *this; + +#ifdef __VISUALC__ +# pragma warning(default: 4310) +#endif // __VISUALC__ } -void wxSocketBase::SetNotify(wxRequestNotify flags) +wxSocketBase& wxSocketBase::Unread(const char *buffer, wxUint32 nbytes) { - wxRequestNotify old_needed_req = m_neededreq; - if (flags & REQ_ACCEPT) - { - /* Check if server */ - if (!(GetClassInfo()->IsKindOf(CLASSINFO(wxSocketServer)))) - flags &= ~REQ_ACCEPT; - } - m_neededreq = flags; + if (nbytes != 0) + Pushback(buffer, nbytes); -/* - if (m_cbkon && old_needed_req != flags) seems to be wrong, Robert Roebling - SetupCallbacks(); -*/ + m_error = FALSE; + m_lcount = nbytes; - if (old_needed_req != flags) - SetupCallbacks(); + return *this; } -void wxSocketBase::SetupCallbacks() +void wxSocketBase::DoDefer() { - if (m_fd == INVALID_SOCKET || !m_handler || (m_flags & SPEED)) + int ret; + + if (!m_defer_buffer) return; -#if defined(__WXMOTIF__) || defined(__WXXT__) - if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) + switch(m_defering) { - if (m_internal->sock_inputid <= 0) - { - m_internal->sock_inputid = XtAppAddInput (wxAPP_CONTEXT, m_fd, - (XtPointer *) XtInputReadMask, - (XtInputCallbackProc) wx_socket_read, - (XtPointer) this); - } - } - else - { - if (m_internal->sock_inputid > 0) - { - XtRemoveInput(m_internal->sock_inputid); - m_internal->sock_inputid = 0; - } - } - - if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) - { - if (m_internal->sock_outputid <= 0) - { - m_internal->sock_outputid = XtAppAddInput (wxAPP_CONTEXT, m_fd, - (XtPointer *) XtInputWriteMask, - (XtInputCallbackProc) wx_socket_write, - (XtPointer) this); - } - } - else - { - if (m_internal->sock_outputid > 0) - { - XtRemoveInput(m_internal->sock_outputid); - m_internal->sock_outputid = 0; - } + case DEFER_READ: + ret = GSocket_Read(m_socket, m_defer_buffer, m_defer_nbytes); + break; + case DEFER_WRITE: + ret = GSocket_Write(m_socket, m_defer_buffer, m_defer_nbytes); + break; + default: + ret = -1; } -#endif + if (ret >= 0) + m_defer_nbytes -= ret; -#ifdef __WXGTK__ - if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) + // If we are waiting for all bytes to be acquired, keep the defering + // mode enabled. + if (!(m_flags & WAITALL) || !m_defer_nbytes || ret < 0) { - if (m_internal->sock_inputid <= 0) - { - m_internal->sock_inputid = gdk_input_add(m_fd, GDK_INPUT_READ, - wx_socket_read, (gpointer)this); - } + m_defer_buffer = NULL; } else { - if (m_internal->sock_inputid > 0) - { -/* - gdk_input_remove(m_internal->sock_inputid); - m_internal->sock_inputid = 0; -*/ - } - } - - if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) - { - if (m_internal->sock_outputid <= 0) - { - m_internal->sock_outputid = gdk_input_add(m_fd, GDK_INPUT_WRITE, - wx_socket_write, (gpointer)this); - } + m_defer_buffer += ret; + m_defer_timer->Start(m_timeout * 1000, FALSE); } - else - { - if (m_internal->sock_outputid > 0) - { -/* - gdk_input_remove(m_internal->sock_outputid); - m_internal->sock_outputid = 0; -*/ - } - } -#endif - - -#ifdef __WXMSW__ - WORD mask = 0; - if (m_neededreq & REQ_READ) - mask |= FD_READ; - if (m_neededreq & REQ_WRITE) - mask |= FD_WRITE; - if (m_neededreq & REQ_LOST) - mask |= FD_CLOSE; - if (m_neededreq & REQ_ACCEPT) - mask |= FD_ACCEPT; - if (m_neededreq & REQ_CONNECT) - mask |= FD_CONNECT; - - if (!m_internal->my_msg) - m_internal->my_msg = m_handler->NewMessage(this); - WSAAsyncSelect(m_fd, m_handler->GetHWND(), m_internal->my_msg, mask); -#endif -#ifdef __WXMAC__ - short mask = 0; - - if (m_neededreq & REQ_READ) - mask |= FD_READ; - if (m_neededreq & REQ_WRITE) - mask |= FD_WRITE; - if (m_neededreq & REQ_LOST) - mask |= FD_CLOSE; - if (m_neededreq & REQ_ACCEPT) - mask |= FD_ACCEPT; - if (m_neededreq & REQ_CONNECT) - mask |= FD_CONNECT; - - GUSISetReference( m_fd ,mask, this ) ; - unsigned long flag = 1; - ioctl(m_fd, FIONBIO, &flag); -#endif - m_cbkon = TRUE; - m_processing = FALSE; -} - -void wxSocketBase::DestroyCallbacks() -{ - if (!m_cbkon || !m_handler) - return; - - m_cbkon = FALSE; - m_processing = FALSE; -#if defined(__WXMOTIF__) || defined(__WXXT__) - if (m_internal->sock_inputid > 0) - XtRemoveInput(m_internal->sock_inputid); - m_internal->sock_inputid = 0; - if (m_internal->sock_outputid > 0) - XtRemoveInput(m_internal->sock_outputid); - m_internal->sock_outputid = 0; -#endif -#ifdef __WXGTK__ - if (m_internal->sock_inputid > 0) - gdk_input_remove(m_internal->sock_inputid); - m_internal->sock_inputid = 0; - if (m_internal->sock_outputid > 0) - gdk_input_remove(m_internal->sock_outputid); - m_internal->sock_outputid = 0; -#endif -#ifdef __WINDOWS__ - WSAAsyncSelect(m_fd, m_handler->GetHWND(), 0, 0); -#endif -#ifdef __WXMAC__ - GUSISetReference( m_fd , 0 , 0 ) ; - int bottom = wxMacNetEventsBottom ; - while ( wxMacNetEventsTop != bottom ) - { - // set all events that reference this socket to nil - if ( wxMacNetEventsReferences[bottom] == (void*) this ) - wxMacNetEventsReferences[bottom] = NULL ; - bottom++ ; - if ( bottom == kwxMacNetEventsMax ) - bottom = 0 ; - } - SetFlags( m_flags ) ; -#endif + //wxLogMessage("DoDefer ha transferido %d bytes", ret); } -void wxSocketBase::Notify(bool notify) +wxSocketBase& wxSocketBase::Discard() { - if (m_notifyme == notify) - return; - if (notify) - SetupCallbacks(); - else - DestroyCallbacks(); - m_notifyme = notify; -} +#define MAX_BUFSIZE (10*1024) -void wxSocketBase::OnRequest(wxRequestEvent req_evt) -{ - wxRequestNotify req_notif = EventToNotify(req_evt); + int old_flags; + char *my_data = new char[MAX_BUFSIZE]; + wxUint32 recv_size = MAX_BUFSIZE; + wxUint32 total = 0; - // Mask the current event - SetNotify(m_neededreq & ~req_notif); - - if (req_evt <= EVT_WRITE && DoRequests(req_evt)) - return; + // Mask read events + m_reading = TRUE; - if (m_waitflags & 0xF0) - { - // Wake up - if ((m_waitflags & 0x0F) == req_evt) - { - m_waitflags = 0x80; -#ifndef __WXGTK__ - DestroyCallbacks(); -#endif - } - return; - } + old_flags = m_flags; + SetFlags(NOWAIT); - if (req_evt == EVT_LOST) + while (recv_size == MAX_BUFSIZE) { - m_connected = FALSE; - Close(); + recv_size = _Read(my_data, MAX_BUFSIZE); + total += recv_size; } - if (m_notifyme) - OldOnNotify(req_evt); - - // Unmask - SetNotify(m_neededreq | req_notif); -} - -wxSocketEvent::wxSocketEvent(int id) - : wxEvent(id) -{ - wxEventType type = (wxEventType)wxEVT_SOCKET; - SetEventType(type); -} + delete [] my_data; + m_lcount = total; + m_error = FALSE; -void wxSocketBase::OldOnNotify(wxRequestEvent evt) -{ - wxSocketEvent event(m_id); + // Trigger another read event if there is still data available. + m_reading = FALSE; - event.SetEventObject(this); - event.m_skevt = evt; - ProcessEvent(event); + // TODO: TriggerRead + return *this; - if (m_cbk) - m_cbk(*this, evt, m_cdata); +#undef MAX_BUFSIZE } // -------------------------------------------------------------- -// --------- wxSocketBase functions [Callback, CallbackData] ---- +// wxSocketBase get local or peer addresses // -------------------------------------------------------------- -wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSocketBase::wxSockCbk _cbk) +bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const { - wxSockCbk old_cbk = m_cbk; + GAddress *peer; - m_cbk = _cbk; - return old_cbk; -} + if (!m_socket) + return FALSE; -char *wxSocketBase::CallbackData(char *cdata_) -{ - char *old_cdata = m_cdata; + peer = GSocket_GetPeer(m_socket); + addr_man.SetAddress(peer); + GAddress_destroy(peer); - m_cdata = cdata_; - return old_cdata; + return TRUE; } -void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id) +bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const { - SetNextHandler(&h_evt); - m_id = id; + GAddress *local; + + if (!m_socket) + return FALSE; + + local = GSocket_GetLocal(m_socket); + addr_man.SetAddress(local); + GAddress_destroy(local); + + return TRUE; } // -------------------------------------------------------------- -// --------- wxSocketBase pushback library ---------------------- +// wxSocketBase save and restore socket state // -------------------------------------------------------------- -void wxSocketBase::CreatePushbackAfter(const char *buffer, size_t size) +void wxSocketBase::SaveState() { - char *curr_pos; + wxSocketState *state; - if (m_unread != NULL) - m_unread = (char *) realloc(m_unread, m_unrd_size+size); - else - m_unread = (char *) malloc(size); - curr_pos = m_unread + m_unrd_size; + state = new wxSocketState(); - memcpy(curr_pos, buffer, size); - m_unrd_size += size; -} + state->notify_state = m_notify_state; + state->evt_notify_state = m_neededreq; + state->socket_flags = m_flags; + state->c_callback = m_cbk; + state->c_callback_data = m_cdata; -void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size) -{ - char *curr_pos, *new_buf; - - new_buf = (char *) malloc(m_unrd_size+size); - curr_pos = new_buf + size; - - memcpy(new_buf, buffer, size); - if (m_unrd_size != 0) { - memcpy(curr_pos, m_unread, m_unrd_size); - free(m_unread); - } - m_unread = new_buf; - m_unrd_size += size; + m_states.Append(state); } -size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek) +void wxSocketBase::RestoreState() { - if (!m_unrd_size) - return 0; + wxNode *node; + wxSocketState *state; - if (size > m_unrd_size) - size = m_unrd_size; - memcpy(buffer, m_unread, size); + node = m_states.Last(); + if (!node) + return; - if (!peek) { - m_unrd_size -= size; - if (m_unrd_size == 0) { - free(m_unread); - m_unread = NULL; - } - } + state = (wxSocketState *)node->Data(); - return size; + SetFlags(state->socket_flags); + m_neededreq = state->evt_notify_state; + m_cbk = state->c_callback; + m_cdata = state->c_callback_data; + Notify(state->notify_state); + + delete node; + delete state; } + // -------------------------------------------------------------- -// --------- wxSocketBase "multi-thread" core ------------------- +// wxSocketBase Wait functions // -------------------------------------------------------------- -bool wxSocketBase::DoRequests(wxRequestEvent req_flag) +// GRG: I have completely rewritten this family of functions +// so that they don't depend on event notifications; instead, +// they poll the socket, using GSocket_Select(), to check for +// the specified combination of event flags, until an event +// occurs or until the timeout ellapses. The polling loop +// calls PROCESS_EVENTS(), so this won't block the GUI. + +bool wxSocketBase::_Wait(long seconds, long milliseconds, wxSocketEventFlags flags) { - wxNode *node = req_list[req_flag].First(); - size_t len; - int ret; + GSocketEventFlags result; + _wxSocketInternalTimer timer; + long timeout; + int state = -1; - if (!node) + // Check for valid socket + if (!m_socket) return FALSE; - SockRequest *req = (SockRequest *)node->Data(); + // If it is not a server, it must be connected or establishing connection + if ((m_type != SOCK_SERVER) && (!m_connected && !m_establishing)) + return FALSE; - delete node; + // Check for valid timeout value + if (seconds != -1) + timeout = seconds * 1000 + milliseconds; + else + timeout = m_timeout * 1000; - switch (req->type) + // Activate timer + if (timeout) { - case EVT_READ: - case EVT_PEEK: - ret = recv(m_fd, req->buffer, req->size, - (req->type == EVT_PEEK) ? MSG_PEEK : 0); - if (ret < 0) - { - req->error = errno; - req->done = TRUE; - break; - } - len = ret; - if ((len < req->size) && (m_flags & WAITALL)) + timer.m_state = &state; + timer.m_new_val = 0; + timer.Start(timeout, TRUE); + } + + // Active polling (without using events) + // + // NOTE: this duplicates some of the code in OnRequest (lost + // connection and connection establishment handling) but this + // doesn't hurt. It has to be here because the event might + // be a bit delayed, and it has to be in OnRequest as well + // because maybe the WaitXXX functions are not being used. + // + // Do this at least once (important if timeout == 0, when + // we are just polling) + do + { + result = GSocket_Select(m_socket, flags | GSOCK_LOST_FLAG); + + // Connection lost + if (result & GSOCK_LOST_FLAG) { - req->size -= len; - req->nbytes += len; - req->buffer += len; - req->auto_wakeup->Start(m_timeout*1000, TRUE); - req_list[req_flag].Insert(req); - break; + timer.Stop(); + m_defer_buffer = NULL; + Close(); + return TRUE; } - req->done = TRUE; - req->nbytes += len; -#ifndef __WXGTK__ - DestroyCallbacks(); -#endif - break; - case EVT_WRITE: - ret = send(m_fd, req->buffer, req->size, 0); - if (ret < 0) + + // Incoming connection (server) or connection established (client) + if (result & GSOCK_CONNECTION_FLAG) { - req->error = errno; - req->done = TRUE; - break; + timer.Stop(); + m_connected = TRUE; + m_establishing = FALSE; + return TRUE; } - len = ret; - if ((len < req->size) && (m_flags & WAITALL)) + + // If we are in the middle of a R/W operation, do not propagate + // to users. + if ( ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG)) + && (!m_writing) && (!m_reading) ) { - req->size -= len; - req->nbytes += len; - req->buffer += len; - req->auto_wakeup->Start(m_timeout*1000, TRUE); - req_list[req_flag].Insert(req); - break; +/* TODO: remove this + if (m_defer_buffer == NULL) +*/ + { + timer.Stop(); + return TRUE; + } } - req->done = TRUE; - req->nbytes += len; -#ifndef __WXGTK__ - DestroyCallbacks(); -#endif - break; - default: - return FALSE; + + if (timeout != 0) + PROCESS_EVENTS(); } - return TRUE; + while ((state == -1) && timeout); + + timer.Stop(); + return FALSE; } -void wxSocketBase::WantSpeedBuffer(char *buffer, size_t nbytes, - wxRequestEvent evt) +bool wxSocketBase::Wait(long seconds, long milliseconds) { - int ret = 0; - - switch (evt) - { - case EVT_PEEK: - case EVT_READ: - ret = recv(m_fd, buffer, nbytes, - (evt == EVT_PEEK) ? MSG_PEEK : 0); - break; - case EVT_WRITE: - ret = send(m_fd, buffer, nbytes, 0); - break; - } - if (ret < 0) - { - m_lcount = 0; - m_error = errno; - } - else - { - m_lcount = ret; - m_error = 0; - } + return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | + GSOCK_OUTPUT_FLAG | + GSOCK_CONNECTION_FLAG | + GSOCK_LOST_FLAG); } -void wxSocketBase::WantBuffer(char *buffer, size_t nbytes, - wxRequestEvent evt) +bool wxSocketBase::WaitForRead(long seconds, long milliseconds) { - bool buf_timed_out; + // Check pushback buffer + if (m_unread) + return TRUE; - if (m_fd == INVALID_SOCKET || !m_handler || !m_connected) - return; + return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG); +} - if (m_flags & SPEED) - { - WantSpeedBuffer(buffer, nbytes, evt); - return; - } +bool wxSocketBase::WaitForWrite(long seconds, long milliseconds) +{ + return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG); +} - SockRequest *buf = new SockRequest; - wxSockWakeUp s_wake(NULL, (int *)&buf_timed_out, (int)TRUE); - - m_wantbuf++; - req_list[evt].Append(buf); - - SaveState(); - SetNotify(REQ_LOST | EventToNotify(evt)); - SetupCallbacks(); - buf->buffer = buffer; - buf->size = nbytes; - buf->done = FALSE; - buf->type = evt; - buf->nbytes = 0; - buf->auto_wakeup = &s_wake; - buf->error = 0; - buf_timed_out = FALSE; - - s_wake.Start(m_timeout*1000, TRUE); - if (m_flags & NOWAIT) - { - DoRequests(evt); - } - else - { - while (!buf->done && !buf_timed_out) - PROCESS_EVENTS(); - } - m_wantbuf--; - m_lcount = buf->nbytes; - if (buf_timed_out) - m_error = ETIMEDOUT; - else - m_error = buf->error; +bool wxSocketBase::WaitForLost(long seconds, long milliseconds) +{ + return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG); +} + +void wxSocketBase::SetTimeout(long seconds) +{ + m_timeout = seconds; - delete buf; - RestoreState(); + if (m_socket) + GSocket_SetTimeout(m_socket, m_timeout); } // -------------------------------------------------------------- -// wxSocketServer +// wxSocketBase flags // -------------------------------------------------------------- -wxSocketServer::wxSocketServer(wxSockAddress& addr_man, - wxSockFlags flags) : - wxSocketBase(flags, SOCK_SERVER) +void wxSocketBase::SetFlags(wxSockFlags _flags) { - m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0); - - if (m_fd == INVALID_SOCKET) - return; - - int flag = 1; - setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&flag, sizeof(int)); - - struct sockaddr *myaddr; - size_t len; - - addr_man.Build(myaddr, len); - if (bind(m_fd, myaddr, addr_man.SockAddrLen()) < 0) - return; - - if (listen(m_fd, 5) < 0) { - m_fd = INVALID_SOCKET; - return; - } + m_flags = _flags; } // -------------------------------------------------------------- -// wxSocketServer Accept +// wxSocketBase callback management // -------------------------------------------------------------- -bool wxSocketServer::AcceptWith(wxSocketBase& sock) +wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_) { - int fd2; - - if ((fd2 = accept(m_fd, 0, 0)) < 0) - return FALSE; - - struct linger linger; - linger.l_onoff = 0; - linger.l_linger = 1; - - setsockopt(fd2, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger)); - - int flag = 0; - setsockopt(fd2, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int)); + wxSockCbk old_cbk = cbk_; - if (!(sock.m_flags & SPEED)) - { - unsigned long flag2 = 1; - ioctl(fd2, FIONBIO, &flag2); - } - - sock.m_type = SOCK_INTERNAL; - sock.m_fd = fd2; - sock.m_connected = TRUE; - - return TRUE; + m_cbk = cbk_; + return old_cbk; } -wxSocketBase *wxSocketServer::Accept() +char *wxSocketBase::CallbackData(char *data) { - wxSocketBase* sock = new wxSocketBase(); - - sock->SetFlags((wxSockFlags)m_flags); + char *old_data = m_cdata; - if (!AcceptWith(*sock)) - return NULL; - - if (m_handler) - m_handler->Register(sock); - - return sock; + m_cdata = data; + return old_data; } // -------------------------------------------------------------- -// wxSocketServer callbacks +// wxSocketBase automatic notifier // -------------------------------------------------------------- -void wxSocketServer::OnRequest(wxRequestEvent evt) +// All events (INPUT, OUTPUT, CONNECTION, LOST) are now always +// internally watched; but users will only be notified of those +// events they are interested in. + +static void LINKAGEMODE wx_socket_callback(GSocket * WXUNUSED(socket), + GSocketEvent event, char *cdata) { - if (evt == EVT_ACCEPT) + wxSocketBase *sckobj = (wxSocketBase *)cdata; + + sckobj->OnRequest((wxSocketNotify)event); +} + +wxSocketEventFlags wxSocketBase::EventToNotify(wxSocketNotify evt) +{ + switch (evt) { - OldOnNotify(EVT_ACCEPT); + case GSOCK_INPUT: return GSOCK_INPUT_FLAG; + case GSOCK_OUTPUT: return GSOCK_OUTPUT_FLAG; + case GSOCK_CONNECTION: return GSOCK_CONNECTION_FLAG; + case GSOCK_LOST: return GSOCK_LOST_FLAG; } + return 0; } -// -------------------------------------------------------------- -// wxSocketClient -// -------------------------------------------------------------- - -// --------- wxSocketClient CONSTRUCTOR ------------------------- -// -------------------------------------------------------------- -wxSocketClient::wxSocketClient(wxSockFlags _flags) : - wxSocketBase(_flags, SOCK_CLIENT) +void wxSocketBase::SetNotify(wxSocketEventFlags flags) { + m_neededreq = flags; } -// -------------------------------------------------------------- -// --------- wxSocketClient DESTRUCTOR -------------------------- -// -------------------------------------------------------------- -wxSocketClient::~wxSocketClient() +void wxSocketBase::Notify(bool notify) { + m_notify_state = notify; } -// -------------------------------------------------------------- -// --------- wxSocketClient Connect functions ------------------- -// -------------------------------------------------------------- -bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) ) +void wxSocketBase::OnRequest(wxSocketNotify req_evt) { - struct linger linger; + wxSocketEvent event(m_id); + wxSocketEventFlags flag = EventToNotify(req_evt); - if (IsConnected()) - Close(); + // fprintf(stderr, "%s: Entering OnRequest (evt %d)\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); - m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0); + // NOTE: this duplicates some of the code in _Wait (lost + // connection and connection establishment handling) but + // this doesn't hurt. It has to be here because maybe the + // WaitXXX are not being used, and it has to be in _Wait + // as well because the event might be a bit delayed. + // + switch(req_evt) + { + case wxSOCKET_CONNECTION: + m_establishing = FALSE; + m_connected = TRUE; + break; + case wxSOCKET_LOST: + m_defer_buffer = NULL; + Close(); + break; + case wxSOCKET_INPUT: + case wxSOCKET_OUTPUT: + if (m_defer_buffer) + { + // fprintf(stderr, "%s: Habia buffer, evt %d skipped\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); + DoDefer(); + // Do not notify to user + return; + } + break; + } - if (m_fd < 0) - return FALSE; + // If we are in the middle of a R/W operation, do not + // propagate events to users. + if (((req_evt == wxSOCKET_INPUT) && m_reading) || + ((req_evt == wxSOCKET_OUTPUT) && m_writing)) + { + // fprintf(stderr, "%s: Swallowed evt %d\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); + return; + } - m_connected = FALSE; + if (((m_neededreq & flag) == flag) && m_notify_state) + { + // fprintf(stderr, "%s: Evt %d delivered\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); + event.m_socket = this; + event.m_skevt = req_evt; + ProcessEvent(event); + OldOnNotify(req_evt); - linger.l_onoff = 1; - linger.l_linger = 5; - setsockopt(m_fd, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger)); + if (m_cbk) + m_cbk(*this, req_evt, m_cdata); + } - // Stay in touch with the state of things... + // fprintf(stderr, "%s: Exiting OnRequest (evt %d)\n", (m_type == SOCK_CLIENT)? "client" : "server", req_evt); +} - unsigned long flag = 1; - setsockopt(m_fd, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int)); +void wxSocketBase::OldOnNotify(wxSocketNotify WXUNUSED(evt)) +{ +} - // Disable the nagle algorithm, which delays sends till the - // buffer is full (or a certain time period has passed?)... +// -------------------------------------------------------------- +// wxSocketBase set event handler +// -------------------------------------------------------------- -#if defined(__WINDOWS__) || (defined(IPPROTO_TCP) && defined(TCP_NODELAY)) - flag = 1; - setsockopt(m_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int)); -#endif +void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id) +{ + SetNextHandler(&h_evt); + m_id = id; +} - struct sockaddr *remote; - size_t len; +// -------------------------------------------------------------- +// wxSocketBase pushback +// -------------------------------------------------------------- - addr_man.Build(remote, len); +void wxSocketBase::Pushback(const char *buffer, wxUint32 size) +{ + if (m_unread == NULL) + m_unread = (char *)malloc(size); + else { + char *tmp; - if (connect(m_fd, remote, len) != 0) - return FALSE; + tmp = (char *)malloc(m_unrd_size + size); + memcpy(tmp+size, m_unread, m_unrd_size); + free(m_unread); - if (!(m_flags & SPEED)) - { - flag = 1; - ioctl(m_fd, FIONBIO, &flag); + m_unread = tmp; } - Notify(TRUE); + m_unrd_size += size; - m_connected = TRUE; - return TRUE; + memcpy(m_unread, buffer, size); } -bool wxSocketClient::WaitOnConnect(long seconds, long microseconds) +wxUint32 wxSocketBase::GetPushback(char *buffer, wxUint32 size, bool peek) { - int ret = _Wait(seconds, microseconds, REQ_CONNECT | REQ_LOST); + if (!m_unrd_size) + return 0; - if (ret) - m_connected = TRUE; + if (size > (m_unrd_size-m_unrd_cur)) + size = m_unrd_size-m_unrd_cur; - return m_connected; -} + memcpy(buffer, (m_unread+m_unrd_cur), size); -void wxSocketClient::OnRequest(wxRequestEvent evt) -{ - if (evt == EVT_CONNECT) - { - if (m_connected) - { -#ifndef __WXGTK__ - SetNotify(m_neededreq & ~REQ_CONNECT); -#endif - return; + if (!peek) { + m_unrd_cur += size; + if (m_unrd_size == m_unrd_cur) { + free(m_unread); + m_unread = NULL; + m_unrd_size = 0; + m_unrd_cur = 0; } - m_waitflags = 0x40; - m_connected = TRUE; - OldOnNotify(EVT_CONNECT); -#ifndef __WXGTK__ - DestroyCallbacks(); -#endif - return; } - wxSocketBase::OnRequest(evt); -} - -///////////////////////////////////////////////////////////////// -// wxSocketHandler /////////////////////////////////////////////// -///////////////////////////////////////////////////////////////// -wxSocketHandler *wxSocketHandler::master = NULL; -#if defined(__WINDOWS__) -static int win_initialized = 0; -#endif + return size; +} // -------------------------------------------------------------- -// --------- wxSocketHandler CONSTRUCTOR ------------------------ +// wxSocketServer // -------------------------------------------------------------- -#ifdef __WXMAC__ -extern "C" int updatestatus(int s) ; +// -------------------------------------------------------------- +// wxSocketServer ctor and dtor +// -------------------------------------------------------------- -void wxMacSocketOnRequestProc( void *refcon , short event ) +wxSocketServer::wxSocketServer(wxSockAddress& addr_man, + wxSockFlags flags) : + wxSocketBase(flags, SOCK_SERVER) { - if ( refcon ) + // Create the socket + m_socket = GSocket_new(); + + if (!m_socket) + return; + + // Setup the socket as server + GSocket_SetLocal(m_socket, addr_man.GetAddress()); + if (GSocket_SetServer(m_socket) != GSOCK_NOERROR) { - wxSocketBase *sock = (wxSocketBase *) refcon ; - - wxSocketBase::wxRequestEvent sk_req; - - int canRead ; - int canWrite ; - int exception ; - - switch (event) { - case FD_READ: - sk_req = wxSocketBase::EVT_READ; - sock->OnRequest(sk_req); - break; - case FD_WRITE: - sk_req = wxSocketBase::EVT_WRITE; - sock->OnRequest(sk_req); - break; - case FD_CLOSE: - sk_req = wxSocketBase::EVT_LOST; - sock->OnRequest(sk_req); - break; - case FD_ACCEPT: - sk_req = wxSocketBase::EVT_ACCEPT; - sock->OnRequest(sk_req); - break; - case FD_CONNECT: - sk_req = wxSocketBase::EVT_CONNECT; - sock->OnRequest(sk_req); - break; - case FD_READY : - break ; - } - updatestatus ( sock->m_fd ) ; + GSocket_destroy(m_socket); + m_socket = NULL; + return; } -} - -void wxMacSocketHandlerProc( void *refcon , short event ) -{ - wxMacNetEventsReferences[wxMacNetEventsTop] = refcon ; - wxMacNetEventsEvents[wxMacNetEventsTop] = event ; - // clumsy construct in order to never have a incorrect wxMacNetEventsTop (above limits) + GSocket_SetTimeout(m_socket, m_timeout); + GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | + GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, + wx_socket_callback, (char *)this); - if ( wxMacNetEventsTop + 1 == kwxMacNetEventsMax ) - wxMacNetEventsTop = 0 ; - else - wxMacNetEventsTop++ ; } -#endif -#ifdef __WINDOWS__ - -extern char wxPanelClassName[]; +// -------------------------------------------------------------- +// wxSocketServer Accept +// -------------------------------------------------------------- -LRESULT APIENTRY _EXPORT wxSocketHandlerWndProc(HWND hWnd, UINT message, - WPARAM wParam, LPARAM lParam) +bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait) { - if(message==WM_DESTROY) - { - ::SetWindowLong(hWnd, GWL_WNDPROC, (LONG) DefWindowProc); - return DefWindowProc(hWnd, message, wParam, lParam); - } - wxSocketHandler *h_sock = (wxSocketHandler *)GetWindowLong(hWnd, GWL_USERDATA); - wxNode *node = h_sock->smsg_list->Find(message); - wxSocketBase *sock; - wxSocketBase::wxRequestEvent sk_req; - UINT event = WSAGETSELECTEVENT(lParam); + GSocket *child_socket; - if (!node) - return DefWindowProc(hWnd, message, wParam, lParam); - - sock = (wxSocketBase *)node->Data(); - - switch (event) { - case FD_READ: - sk_req = wxSocketBase::EVT_READ; - break; - case FD_WRITE: - sk_req = wxSocketBase::EVT_WRITE; - break; - case FD_CLOSE: - sk_req = wxSocketBase::EVT_LOST; - break; - case FD_ACCEPT: - sk_req = wxSocketBase::EVT_ACCEPT; - break; - case FD_CONNECT: - sk_req = wxSocketBase::EVT_CONNECT; - break; - - default: - wxFAIL_MSG("invalid socket event"); - return (LRESULT)0; - } + if (!m_socket) + return FALSE; - sock->OnRequest(sk_req); + // GRG: If wait == FALSE, then the call should be nonblocking. + // When we are finished, we put the socket to blocking mode + // again. - return (LRESULT)0; -} + if (!wait) + GSocket_SetNonBlocking(m_socket, TRUE); -FARPROC wxSocketSubClassProc = NULL; + child_socket = GSocket_WaitConnection(m_socket); -#endif + if (!wait) + GSocket_SetNonBlocking(m_socket, FALSE); -wxSocketHandler::wxSocketHandler() -{ -#if defined(__WINDOWS__) - if (!win_initialized) - { - WSADATA wsaData; + // GRG: this was not being handled! + if (child_socket == NULL) + return FALSE; - WSAStartup((1 << 8) | 1, &wsaData); - win_initialized = 1; - } - internal = new wxSockHandlerInternal; - internal->sockWin = ::CreateWindow(wxPanelClassName, NULL, 0, - 0, 0, 0, 0, NULL, (HMENU) NULL, - wxhInstance, 0); - - // Subclass the window - if (!wxSocketSubClassProc) - wxSocketSubClassProc = MakeProcInstance((FARPROC) wxSocketHandlerWndProc, wxhInstance); - ::SetWindowLong(internal->sockWin, GWL_WNDPROC, (LONG) wxSocketSubClassProc); - ::SetWindowLong(internal->sockWin, GWL_USERDATA, (LONG) this); - - internal->firstAvailableMsg = 5000; - smsg_list = new wxList(wxKEY_INTEGER); -#endif + sock.m_type = SOCK_INTERNAL; + sock.m_socket = child_socket; + sock.m_connected = TRUE; - socks = new wxList; + GSocket_SetTimeout(sock.m_socket, sock.m_timeout); + GSocket_SetCallback(sock.m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | + GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, + wx_socket_callback, (char *)&sock); -#ifndef __WINDOWS__ - signal(SIGPIPE, SIG_IGN); -#endif + return TRUE; } -// -------------------------------------------------------------- -// --------- wxSocketHandler DESTRUCTOR ------------------------- -// -------------------------------------------------------------- -wxSocketHandler::~wxSocketHandler() +wxSocketBase *wxSocketServer::Accept(bool wait) { - wxNode *next_node, *node = socks->First(); - - while (node) - { - wxSocketBase* sock = (wxSocketBase*)node->Data(); - - delete sock; - next_node = node->Next(); - delete node; - node = next_node; - } + wxSocketBase* sock = new wxSocketBase(); - delete socks; + sock->SetFlags((wxSockFlags)m_flags); -#ifdef __WINDOWS__ - delete smsg_list; + if (!AcceptWith(*sock, wait)) + return NULL; - ::DestroyWindow(internal->sockWin); - WSACleanup(); - win_initialized = 0; + return sock; +} - delete internal; -#endif +bool wxSocketServer::WaitForAccept(long seconds, long milliseconds) +{ + return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG); } // -------------------------------------------------------------- -// --------- wxSocketHandler registering functions -------------- +// wxSocketClient // -------------------------------------------------------------- -void wxSocketHandler::Register(wxSocketBase* sock) -{ - wxNode *node; - - for (node = socks->First(); node != NULL; node = node->Next()) - { - wxSocketBase* s = (wxSocketBase*)node->Data(); - - if (s == sock) - return; - } - - if (sock) - { - socks->Append(sock); - sock->SetHandler(this); - sock->SetupCallbacks(); - } -} +// -------------------------------------------------------------- +// wxSocketClient ctor and dtor +// -------------------------------------------------------------- -void wxSocketHandler::UnRegister(wxSocketBase* sock) +wxSocketClient::wxSocketClient(wxSockFlags _flags) : + wxSocketBase(_flags, SOCK_CLIENT) { - wxNode *node; - - for (node = socks->First(); node; node = node->Next()) - { - wxSocketBase* s = (wxSocketBase*)node->Data(); - - if (s == sock) - { - delete node; - sock->DestroyCallbacks(); - sock->SetHandler(NULL); - return; - } - } } -unsigned long wxSocketHandler::Count() const +wxSocketClient::~wxSocketClient() { - return socks->Number(); } // -------------------------------------------------------------- -// --------- wxSocketHandler "big" wait functions --------------- +// wxSocketClient Connect functions // -------------------------------------------------------------- -void handler_cbk(wxSocketBase& sock, - wxSocketBase::wxRequestEvent WXUNUSED(flags), - char *cdata) +bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) { - int *a_wait = (int *)cdata; + GSocketError err; - (*a_wait)++; - sock.Notify(FALSE); -} - -int wxSocketHandler::Wait(long seconds, long microseconds) -{ - int i; - int on_wait; - wxSockWakeUp s_wake(NULL, &on_wait, -2); - wxNode *node; - - for (node = socks->First(), i=0; node; node = node->Next(), i++) - { - wxSocketBase *sock = (wxSocketBase *)node->Data(); - - sock->SaveState(); + if (IsConnected()) + Close(); - sock->SetupCallbacks(); + // This should never happen. + if (m_socket) + GSocket_destroy(m_socket); - sock->Callback(handler_cbk); - sock->CallbackData((char *)&on_wait); - } - on_wait = 0; - if (seconds != -1) - s_wake.Start((seconds*1000) + (microseconds/1000), TRUE); + // Initialize all socket stuff ... + m_socket = GSocket_new(); + m_connected = FALSE; + m_establishing = FALSE; - while (!on_wait) - PROCESS_EVENTS(); + if (!m_socket) + return FALSE; - for (node = socks->First(), i=0; node; node = node->Next(), i++) - { - wxSocketBase *sock = (wxSocketBase *)node->Data(); + GSocket_SetTimeout(m_socket, m_timeout); + GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG | + GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG, + wx_socket_callback, (char *)this); - sock->RestoreState(); - } + // GRG: If wait == FALSE, then the call should be nonblocking. + // When we are finished, we put the socket to blocking mode + // again. - if (on_wait == -2) - return 0; + if (!wait) + GSocket_SetNonBlocking(m_socket, TRUE); - return on_wait; -} + GSocket_SetPeer(m_socket, addr_man.GetAddress()); + err = GSocket_Connect(m_socket, GSOCK_STREAMED); -void wxSocketHandler::YieldSock() -{ - wxNode *node; + if (!wait) + GSocket_SetNonBlocking(m_socket, FALSE); - for (node = socks->First(); node; node = node->Next() ) + if (err != GSOCK_NOERROR) { - wxSocketBase *sock = (wxSocketBase *)node->Data(); - - sock->SaveState(); + if (err == GSOCK_WOULDBLOCK) + m_establishing = TRUE; - sock->SetFlags(wxSocketBase::SPEED); - if (sock->IsData()) - sock->DoRequests(wxSocketBase::EVT_READ); - sock->DoRequests(wxSocketBase::EVT_WRITE); - - sock->RestoreState(); + return FALSE; } -} -// -------------------------------------------------------------- -// --------- wxSocketHandler: create and register the socket ---- -// -------------------------------------------------------------- -wxSocketServer *wxSocketHandler::CreateServer(wxSockAddress& addr, - wxSocketBase::wxSockFlags flags) -{ - wxSocketServer *serv = new wxSocketServer(addr, flags); - - Register(serv); - return serv; + m_connected = TRUE; + return TRUE; } -wxSocketClient *wxSocketHandler::CreateClient(wxSocketBase::wxSockFlags flags) +bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds) { - wxSocketClient *client = new wxSocketClient(flags); + if (m_connected) // Already connected + return TRUE; - Register(client); - return client; + if (!m_establishing || !m_socket) // No connection in progress + return FALSE; + + return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG); } -#ifdef __WINDOWS__ // -------------------------------------------------------------- -// --------- wxSocketHandler: Windows specific methods ---------- +// wxSocketEvent // -------------------------------------------------------------- -UINT wxSocketHandler::NewMessage(wxSocketBase *sock) -{ - internal->firstAvailableMsg++; - smsg_list->Append(internal->firstAvailableMsg, sock); - return internal->firstAvailableMsg; -} - -void wxSocketHandler::DestroyMessage(UINT msg) +wxSocketEvent::wxSocketEvent(int id) + : wxEvent(id) { - wxNode *node = smsg_list->Find(msg); - delete node; -} + wxEventType type = (wxEventType)wxEVT_SOCKET; -HWND wxSocketHandler::GetHWND() const -{ - return internal->sockWin; + SetEventType(type); } -#endif - -bool wxSocketModule::OnInit() +void wxSocketEvent::CopyObject(wxObject& obj_d) const { - wxSocketHandler::master = new wxSocketHandler(); - return TRUE; -} + wxSocketEvent *event = (wxSocketEvent *)&obj_d; -void wxSocketModule::OnExit() -{ - delete wxSocketHandler::master; - wxSocketHandler::master = NULL; -} + wxEvent::CopyObject(obj_d); -#ifdef __WXMAC__ -void wxMacProcessSocketEvents() ; -void wxMacProcessEvents() -{ - wxMacProcessSocketEvents() ; - (*GUSISpin)(SP_MISC, 0) ; + event->m_skevt = m_skevt; + event->m_socket = m_socket; } -void wxMacProcessSocketEvents() -{ - while ( wxMacNetEventsTop != wxMacNetEventsBottom ) - { - // consume event at wxMacNetEventsBottom - wxMacSocketOnRequestProc(wxMacNetEventsReferences[wxMacNetEventsBottom] , wxMacNetEventsEvents[wxMacNetEventsBottom] ) ; - wxMacNetEventsBottom++ ; - if ( wxMacNetEventsBottom == kwxMacNetEventsMax ) - wxMacNetEventsBottom = 0 ; +// -------------------------------------------------------------------------- +// wxSocketModule +// -------------------------------------------------------------------------- +class WXDLLEXPORT wxSocketModule: public wxModule { + DECLARE_DYNAMIC_CLASS(wxSocketModule) + public: + bool OnInit() { + return GSocket_Init(); } -} -#endif + void OnExit() { + GSocket_Cleanup(); + } +}; -#endif - // __WXSTUBS__ +IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule) #endif // wxUSE_SOCKETS