39b91ecabe
Added GSocket_SetTimeout Added timeout support in wxSocket (as it was in previous releases) Updated documentation git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3215 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
971 lines
22 KiB
C++
971 lines
22 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// Name: socket.cpp
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// Purpose: Socket handler classes
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// Authors: Guilhem Lavaux
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// Created: April 1997
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// Updated: July 1999
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// Copyright: (C) 1999, 1998, 1997, Guilhem Lavaux
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// RCS_ID: $Id$
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// License: see wxWindows license
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////////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "socket.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_SOCKETS
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/////////////////////////////////////////////////////////////////////////////
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// wxWindows headers
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/////////////////////////////////////////////////////////////////////////////
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#include <wx/defs.h>
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#include <wx/object.h>
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#include <wx/string.h>
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#include <wx/timer.h>
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#include <wx/utils.h>
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#include <wx/log.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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/////////////////////////////////////////////////////////////////////////////
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// wxSocket headers
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/////////////////////////////////////////////////////////////////////////////
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#include <wx/module.h>
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#include <wx/sckaddr.h>
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#include <wx/socket.h>
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// --------------------------------------------------------------
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// ClassInfos
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// --------------------------------------------------------------
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_CLASS(wxSocketBase, wxObject)
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IMPLEMENT_CLASS(wxSocketServer, wxSocketBase)
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IMPLEMENT_CLASS(wxSocketClient, wxSocketBase)
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IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent)
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#endif
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class wxSocketState : public wxObject {
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public:
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bool notify_state;
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GSocketEventFlags evt_notify_state;
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wxSocketBase::wxSockFlags socket_flags;
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wxSocketBase::wxSockCbk c_callback;
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char *c_callback_data;
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public:
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wxSocketState() : wxObject() {}
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};
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// --------------------------------------------------------------
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// --------- wxSocketBase CONSTRUCTOR ---------------------------
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// --------------------------------------------------------------
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wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags,
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wxSocketBase::wxSockType _type) :
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wxEvtHandler(),
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m_socket(NULL), m_flags(_flags), m_type(_type),
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m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
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m_lcount(0), m_timeout(600),
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m_unread(NULL), m_unrd_size(0), m_unrd_cur(0),
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m_cbk(NULL), m_cdata(NULL),
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m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
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m_defering(NO_DEFER),
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m_states()
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{
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}
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wxSocketBase::wxSocketBase() :
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wxEvtHandler(),
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m_socket(NULL), m_flags(SPEED | WAITALL), m_type(SOCK_UNINIT),
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m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
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m_lcount(0), m_timeout(600),
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m_unread(NULL), m_unrd_size(0), m_unrd_cur(0),
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m_cbk(NULL), m_cdata(NULL),
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m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
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m_defering(NO_DEFER),
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m_states()
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{
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}
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// --------------------------------------------------------------
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// wxSocketBase destructor
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// --------------------------------------------------------------
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wxSocketBase::~wxSocketBase()
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{
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if (m_unread)
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free(m_unread);
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// At last, close the file descriptor.
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Close();
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if (m_socket)
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GSocket_destroy(m_socket);
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}
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bool wxSocketBase::Close()
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{
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if (m_socket)
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{
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if (m_notify_state == TRUE)
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Notify(FALSE);
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// Shutdown the connection.
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GSocket_Shutdown(m_socket);
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m_connected = FALSE;
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}
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return TRUE;
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}
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// --------------------------------------------------------------
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// wxSocketBase base IO function
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// --------------------------------------------------------------
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class _wxSocketInternalTimer: public wxTimer {
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public:
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int *m_state;
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int m_new_val;
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void Notify()
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{
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*m_state = m_new_val; // Change the value
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}
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};
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int wxSocketBase::DeferRead(char *buffer, size_t nbytes)
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{
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GSocketEventFlags old_event_flags;
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bool old_notify_state;
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// Timer for timeout
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_wxSocketInternalTimer timer;
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wxASSERT(m_defering == NO_DEFER);
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// Set the defering mode to READ.
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m_defering = DEFER_READ;
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// Save the old state.
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old_event_flags = NeededReq();
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old_notify_state = m_notify_state;
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// Set the new async flag.
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SetNotify(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
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Notify(TRUE);
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// Set the current buffer.
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m_defer_buffer = buffer;
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m_defer_nbytes = nbytes;
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m_defer_timer = &timer;
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timer.m_state = (int *)&m_defer_buffer;
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timer.m_new_val = (int)NULL;
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timer.Start(m_timeout * 1000, FALSE);
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// Wait for buffer completion.
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while (m_defer_buffer != NULL)
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wxYield();
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timer.Stop();
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// Restore the old state.
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Notify(old_notify_state);
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SetNotify(old_event_flags);
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// Disable defering mode.
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m_defering = NO_DEFER;
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m_defer_timer = NULL;
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// Return the number of bytes read from the socket.
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return nbytes-m_defer_nbytes;
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}
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wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes)
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{
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int ret = 1;
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m_lcount = GetPushback(buffer, nbytes, FALSE);
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nbytes -= m_lcount;
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buffer += m_lcount;
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if (!m_connected)
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return *this;
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// If we have got the whole needed buffer or if we don't want to
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// wait then it returns immediately.
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if (!nbytes || (m_lcount && !(m_flags & WAITALL)) ) {
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return *this;
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}
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if ((m_flags & SPEED) != 0) {
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if ((m_flags & WAITALL) != 0) {
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while (ret > 0 && nbytes > 0) {
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ret = GSocket_Read(m_socket, buffer, nbytes);
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m_lcount += ret;
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buffer += ret;
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nbytes -= ret;
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}
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// In case the last call was an error ...
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if (ret < 0)
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m_lcount ++;
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} else {
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ret = GSocket_Read(m_socket, buffer, nbytes);
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if (ret > 0)
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m_lcount += ret;
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}
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} else {
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ret = DeferRead(buffer, nbytes);
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if (ret > 0)
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m_lcount += ret;
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}
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return *this;
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}
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wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
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{
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unsigned long len, len2, sig;
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struct {
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char sig[4];
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char len[4];
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} msg;
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// sig should be an explicit 32-bit unsigned integer; I've seen
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// compilers in which size_t was actually a 16-bit unsigned integer
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Read((char *)&msg, sizeof(msg));
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if (m_lcount != sizeof(msg))
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return *this;
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sig = msg.sig[0] & 0xff;
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sig |= (size_t)(msg.sig[1] & 0xff) << 8;
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sig |= (size_t)(msg.sig[2] & 0xff) << 16;
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sig |= (size_t)(msg.sig[3] & 0xff) << 24;
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if (sig != 0xfeeddead)
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return *this;
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len = msg.len[0] & 0xff;
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len |= (size_t)(msg.len[1] & 0xff) << 8;
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len |= (size_t)(msg.len[2] & 0xff) << 16;
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len |= (size_t)(msg.len[3] & 0xff) << 24;
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// len2 is incorrectly computed in the original; this sequence is
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// the fix
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if (len > nbytes) {
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len2 = len - nbytes;
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len = nbytes;
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}
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else
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len2 = 0;
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// the "len &&" in the following statement is necessary so that
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// we don't attempt to read (and possibly hang the system)
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// if the message was zero bytes long
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if (len && Read(buffer, len).LastCount() != len)
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return *this;
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if (len2 && (Read(NULL, len2).LastCount() != len2))
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return *this;
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if (Read((char *)&msg, sizeof(msg)).LastCount() != sizeof(msg))
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return *this;
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sig = msg.sig[0] & 0xff;
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sig |= (size_t)(msg.sig[1] & 0xff) << 8;
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sig |= (size_t)(msg.sig[2] & 0xff) << 16;
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sig |= (size_t)(msg.sig[3] & 0xff) << 24;
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// ERROR
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if (sig != 0xdeadfeed)
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wxLogDebug(_T("Warning: invalid signature returned to ReadMsg\n"));
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return *this;
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}
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wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
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{
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Read(buffer, nbytes);
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CreatePushbackAfter(buffer, nbytes);
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return *this;
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}
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int wxSocketBase::DeferWrite(const char *buffer, size_t nbytes)
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{
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GSocketEventFlags old_event_flags;
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bool old_notify_state;
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// Timer for timeout
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_wxSocketInternalTimer timer;
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wxASSERT(m_defering == NO_DEFER);
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m_defering = DEFER_WRITE;
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// Save the old state
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old_event_flags = NeededReq();
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old_notify_state = m_notify_state;
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SetNotify(GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
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Notify(TRUE);
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// Set the current buffer
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m_defer_buffer = (char *)buffer;
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m_defer_nbytes = nbytes;
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// Start timer
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timer.m_state = (int *)&m_defer_buffer;
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timer.m_new_val = (int)NULL;
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m_defer_timer = &timer;
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timer.Start(m_timeout * 1000, FALSE);
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while (m_defer_buffer != NULL)
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wxYield();
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// Stop timer
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m_defer_timer = NULL;
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timer.Stop();
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// Restore the old state
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Notify(old_notify_state);
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SetNotify(old_event_flags);
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m_defering = NO_DEFER;
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return nbytes-m_defer_nbytes;
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}
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wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
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{
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int ret;
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if ((m_flags & SPEED) != 0)
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ret = GSocket_Write(m_socket, buffer, nbytes);
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else
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ret = DeferWrite(buffer, nbytes);
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if (ret != -1)
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m_lcount += ret;
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return *this;
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}
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wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes)
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{
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struct {
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char sig[4];
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char len[4];
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} msg;
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// warning about 'cast truncates constant value'
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#ifdef __VISUALC__
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#pragma warning(disable: 4310)
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#endif // __VISUALC__
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msg.sig[0] = (char) 0xad;
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msg.sig[1] = (char) 0xde;
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msg.sig[2] = (char) 0xed;
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msg.sig[3] = (char) 0xfe;
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msg.len[0] = (char) nbytes & 0xff;
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msg.len[1] = (char) (nbytes >> 8) & 0xff;
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msg.len[2] = (char) (nbytes >> 16) & 0xff;
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msg.len[3] = (char) (nbytes >> 24) & 0xff;
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if (Write((char *)&msg, sizeof(msg)).LastCount() < sizeof(msg))
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return *this;
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if (Write(buffer, nbytes).LastCount() < nbytes)
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return *this;
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msg.sig[0] = (char) 0xed;
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msg.sig[1] = (char) 0xfe;
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msg.sig[2] = (char) 0xad;
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msg.sig[3] = (char) 0xde;
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msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0;
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Write((char *)&msg, sizeof(msg));
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return *this;
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#ifdef __VISUALC__
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#pragma warning(default: 4310)
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#endif // __VISUALC__
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}
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wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes)
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{
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m_lcount = 0;
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if (nbytes != 0) {
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CreatePushbackAfter(buffer, nbytes);
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m_lcount = nbytes;
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}
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return *this;
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}
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bool wxSocketBase::IsData() const
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{
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if (!m_socket)
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return FALSE;
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return (GSocket_DataAvailable(m_socket));
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}
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void wxSocketBase::DoDefer(GSocketEvent req_evt)
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{
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int ret;
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if (req_evt == GSOCK_LOST) {
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Close();
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m_defer_buffer = NULL;
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return;
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}
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switch (m_defering) {
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case DEFER_READ:
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ret = GSocket_Read(m_socket, m_defer_buffer, m_defer_nbytes);
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break;
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case DEFER_WRITE:
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ret = GSocket_Write(m_socket, m_defer_buffer, m_defer_nbytes);
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break;
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default:
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ret = -1;
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break;
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}
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m_defer_nbytes -= ret;
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if (ret < 0)
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m_defer_nbytes++;
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// If we are waiting for all bytes to be acquired, keep the defering modei
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// enabled.
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if ((m_flags & WAITALL) == 0 || m_defer_nbytes == 0 || ret < 0) {
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m_defer_buffer = NULL;
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Notify(FALSE);
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} else {
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m_defer_buffer += ret;
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m_defer_timer->Start(m_timeout * 1000, FALSE);
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}
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}
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// ---------------------------------------------------------------------
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// --------- wxSocketBase Discard(): deletes all byte in the input queue
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// ---------------------------------------------------------------------
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void wxSocketBase::Discard()
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{
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#define MAX_BUFSIZE (10*1024)
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char *my_data = new char[MAX_BUFSIZE];
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size_t recv_size = MAX_BUFSIZE;
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SaveState();
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SetFlags(NOWAIT | SPEED);
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while (recv_size == MAX_BUFSIZE)
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{
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recv_size = Read(my_data, MAX_BUFSIZE).LastCount();
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}
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RestoreState();
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delete [] my_data;
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#undef MAX_BUFSIZE
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}
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// --------------------------------------------------------------
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// wxSocketBase socket info functions
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// --------------------------------------------------------------
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bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
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{
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GAddress *peer;
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if (!m_socket)
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return FALSE;
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peer = GSocket_GetPeer(m_socket);
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addr_man.SetAddress(peer);
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GAddress_destroy(peer);
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return TRUE;
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}
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bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const
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{
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GAddress *local;
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if (!m_socket)
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return FALSE;
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local = GSocket_GetLocal(m_socket);
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addr_man.SetAddress(local);
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GAddress_destroy(local);
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return TRUE;
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}
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// --------------------------------------------------------------
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// wxSocketBase wait functions
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// --------------------------------------------------------------
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void wxSocketBase::SaveState()
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{
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wxSocketState *state;
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state = new wxSocketState();
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state->notify_state = m_notify_state;
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state->evt_notify_state = m_neededreq;
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state->socket_flags = m_flags;
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state->c_callback = m_cbk;
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state->c_callback_data = m_cdata;
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m_states.Append(state);
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}
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void wxSocketBase::RestoreState()
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{
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wxNode *node;
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wxSocketState *state;
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node = m_states.Last();
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if (!node)
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return;
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state = (wxSocketState *)node->Data();
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SetFlags(state->socket_flags);
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m_neededreq = state->evt_notify_state;
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m_cbk = state->c_callback;
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m_cdata = state->c_callback_data;
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Notify(state->notify_state);
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delete node;
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delete state;
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}
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// --------------------------------------------------------------
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// --------- wxSocketBase callback functions --------------------
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// --------------------------------------------------------------
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wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
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{
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wxSockCbk old_cbk = cbk_;
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m_cbk = cbk_;
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return old_cbk;
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}
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char *wxSocketBase::CallbackData(char *data)
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{
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char *old_data = m_cdata;
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m_cdata = data;
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return old_data;
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}
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// --------------------------------------------------------------
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// --------- wxSocketBase wait functions ------------------------
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// --------------------------------------------------------------
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static void wx_socket_wait(GSocket *socket, GSocketEvent event, char *cdata)
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{
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int *state = (int *)cdata;
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*state = event;
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}
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bool wxSocketBase::_Wait(long seconds, long milliseconds, int type)
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{
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bool old_notify_state = m_notify_state;
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int state = -1;
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_wxSocketInternalTimer timer;
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if (!m_connected || !m_socket)
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return FALSE;
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// Set the variable to change
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timer.m_state = &state;
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timer.m_new_val = GSOCK_MAX_EVENT;
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// Disable the previous handler
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Notify(FALSE);
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// Set the timeout
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timer.Start(seconds * 1000 + milliseconds, TRUE);
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GSocket_SetCallback(m_socket, type, wx_socket_wait, (char *)&state);
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while (state == -1)
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wxYield();
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GSocket_UnsetCallback(m_socket, type);
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timer.Stop();
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// Notify will restore automatically the old GSocket flags
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Notify(old_notify_state);
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return (state != GSOCK_MAX_EVENT);
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}
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bool wxSocketBase::Wait(long seconds, long milliseconds)
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{
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return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
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GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
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}
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bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
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{
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return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
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}
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bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
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{
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return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
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}
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bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
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{
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return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
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}
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// --------------------------------------------------------------
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// --------- wxSocketBase callback management -------------------
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// --------------------------------------------------------------
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GSocketEventFlags wxSocketBase::EventToNotify(GSocketEvent evt)
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{
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switch (evt)
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{
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case GSOCK_INPUT:
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return GSOCK_INPUT_FLAG;
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case GSOCK_OUTPUT:
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return GSOCK_OUTPUT_FLAG;
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case GSOCK_CONNECTION:
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return GSOCK_CONNECTION_FLAG;
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case GSOCK_LOST:
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return GSOCK_LOST_FLAG;
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default:
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return 0;
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}
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return 0;
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}
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void wxSocketBase::SetFlags(wxSockFlags _flags)
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{
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m_flags = _flags;
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}
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wxSocketBase::wxSockFlags wxSocketBase::GetFlags() const
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{
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return m_flags;
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}
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void wxSocketBase::SetNotify(GSocketEventFlags flags)
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{
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/* Check if server */
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if (m_type != SOCK_SERVER)
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flags &= ~GSOCK_CONNECTION_FLAG;
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m_neededreq = flags;
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if (m_neededreq == 0)
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Notify(FALSE);
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else
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Notify(m_notify_state);
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}
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// --------------------------------------------------------------
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// Automatic notifier
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// --------------------------------------------------------------
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static void wx_socket_fallback(GSocket *socket, GSocketEvent event, char *cdata)
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{
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wxSocketBase *sckobj = (wxSocketBase *)cdata;
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sckobj->OnRequest(event);
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}
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void wxSocketBase::Notify(bool notify)
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{
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m_notify_state = notify;
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if (!m_socket)
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return;
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GSocket_UnsetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
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GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
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if (!notify)
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return;
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GSocket_SetCallback(m_socket, m_neededreq, wx_socket_fallback, (char *)this);
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}
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void wxSocketBase::OnRequest(GSocketEvent req_evt)
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{
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wxSocketEvent event(m_id);
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GSocketEventFlags notify = EventToNotify(req_evt);
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if (m_defering != NO_DEFER) {
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DoDefer(req_evt);
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return;
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}
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if ((m_neededreq & notify) == notify) {
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event.m_socket = this;
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event.m_skevt = req_evt;
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ProcessEvent(event);
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OldOnNotify(req_evt);
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}
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if (req_evt == GSOCK_LOST)
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Close();
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}
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void wxSocketBase::OldOnNotify(GSocketEvent evt)
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{
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}
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// --------------------------------------------------------------
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// --------- wxSocketBase functions [Callback, CallbackData] ----
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// --------------------------------------------------------------
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void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id)
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{
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SetNextHandler(&h_evt);
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m_id = id;
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}
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// --------------------------------------------------------------
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// --------- wxSocketBase pushback library ----------------------
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// --------------------------------------------------------------
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void wxSocketBase::CreatePushbackAfter(const char *buffer, size_t size)
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{
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char *curr_pos;
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if (m_unread != NULL)
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m_unread = (char *) realloc(m_unread, m_unrd_size+size);
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else
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m_unread = (char *) malloc(size);
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curr_pos = m_unread + m_unrd_size;
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memcpy(curr_pos, buffer, size);
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m_unrd_size += size;
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}
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void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size)
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{
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if (m_unread == NULL)
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m_unread = (char *)malloc(size);
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else {
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char *tmp;
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tmp = (char *)malloc(m_unrd_size + size);
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memcpy(tmp+size, m_unread, m_unrd_size);
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free(m_unread);
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m_unread = tmp;
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}
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m_unrd_size += size;
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memcpy(m_unread, buffer, size);
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}
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size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek)
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{
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if (!m_unrd_size)
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return 0;
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if (size > (m_unrd_size-m_unrd_cur))
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size = m_unrd_size-m_unrd_cur;
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memcpy(buffer, (m_unread+m_unrd_cur), size);
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if (!peek) {
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m_unrd_cur += size;
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if (m_unrd_size == m_unrd_cur) {
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free(m_unread);
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m_unread = NULL;
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m_unrd_size = 0;
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m_unrd_cur = 0;
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}
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}
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return size;
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}
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// --------------------------------------------------------------
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// wxSocketServer
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// --------------------------------------------------------------
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wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
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wxSockFlags flags) :
|
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wxSocketBase(flags, SOCK_SERVER)
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{
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m_socket = GSocket_new();
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if (!m_socket)
|
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return;
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GSocket_SetLocal(m_socket, addr_man.GetAddress());
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if (GSocket_SetServer(m_socket) != GSOCK_NOERROR) {
|
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GSocket_destroy(m_socket);
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m_socket = NULL;
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return;
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}
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Notify(TRUE);
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}
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// --------------------------------------------------------------
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// wxSocketServer Accept
|
|
// --------------------------------------------------------------
|
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|
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bool wxSocketServer::AcceptWith(wxSocketBase& sock)
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|
{
|
|
GSocket *child_socket;
|
|
|
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child_socket = GSocket_WaitConnection(m_socket);
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|
|
sock.m_type = SOCK_INTERNAL;
|
|
sock.m_socket = child_socket;
|
|
sock.m_connected = TRUE;
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|
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return TRUE;
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|
}
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|
|
wxSocketBase *wxSocketServer::Accept()
|
|
{
|
|
wxSocketBase* sock = new wxSocketBase();
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|
|
sock->SetFlags((wxSockFlags)m_flags);
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|
|
if (!AcceptWith(*sock))
|
|
return NULL;
|
|
|
|
return sock;
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// wxSocketClient
|
|
// --------------------------------------------------------------
|
|
|
|
// --------- wxSocketClient CONSTRUCTOR -------------------------
|
|
// --------------------------------------------------------------
|
|
wxSocketClient::wxSocketClient(wxSockFlags _flags) :
|
|
wxSocketBase(_flags, SOCK_CLIENT)
|
|
{
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// --------- wxSocketClient DESTRUCTOR --------------------------
|
|
// --------------------------------------------------------------
|
|
wxSocketClient::~wxSocketClient()
|
|
{
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// --------- wxSocketClient Connect functions -------------------
|
|
// --------------------------------------------------------------
|
|
bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) )
|
|
{
|
|
if (IsConnected())
|
|
Close();
|
|
|
|
// This should never happen.
|
|
if (m_socket)
|
|
GSocket_destroy(m_socket);
|
|
|
|
// Initializes all socket stuff ...
|
|
// --------------------------------
|
|
m_socket = GSocket_new();
|
|
|
|
if (!m_socket)
|
|
return FALSE;
|
|
|
|
m_connected = FALSE;
|
|
|
|
// Update the flags of m_socket.
|
|
SetFlags(m_flags);
|
|
GSocket_SetPeer(m_socket, addr_man.GetAddress());
|
|
if (GSocket_Connect(m_socket, GSOCK_STREAMED) != GSOCK_NOERROR)
|
|
return FALSE;
|
|
|
|
// Enables bg events.
|
|
// ------------------
|
|
Notify(TRUE);
|
|
|
|
m_connected = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxSocketClient::WaitOnConnect(long seconds, long microseconds)
|
|
{
|
|
int ret = _Wait(seconds, microseconds, GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
|
|
|
|
if (ret)
|
|
m_connected = TRUE;
|
|
|
|
return m_connected;
|
|
}
|
|
|
|
void wxSocketClient::OnRequest(GSocketEvent evt)
|
|
{
|
|
if (evt == GSOCK_CONNECTION)
|
|
{
|
|
if (m_connected)
|
|
{
|
|
m_neededreq &= ~GSOCK_CONNECTION_FLAG;
|
|
return;
|
|
}
|
|
m_connected = TRUE;
|
|
return;
|
|
}
|
|
wxSocketBase::OnRequest(evt);
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// wxSocketEvent
|
|
// --------------------------------------------------------------
|
|
|
|
wxSocketEvent::wxSocketEvent(int id)
|
|
: wxEvent(id)
|
|
{
|
|
wxEventType type = (wxEventType)wxEVT_SOCKET;
|
|
|
|
SetEventType(type);
|
|
}
|
|
|
|
void wxSocketEvent::CopyObject(wxObject& obj_d) const
|
|
{
|
|
wxSocketEvent *event = (wxSocketEvent *)&obj_d;
|
|
|
|
wxEvent::CopyObject(obj_d);
|
|
|
|
event->m_skevt = m_skevt;
|
|
event->m_socket = m_socket;
|
|
}
|
|
|
|
// --------------------------------------------------------------------------
|
|
// wxSocketModule
|
|
// --------------------------------------------------------------------------
|
|
class WXDLLEXPORT wxSocketModule: public wxModule {
|
|
DECLARE_DYNAMIC_CLASS(wxSocketModule)
|
|
public:
|
|
bool OnInit() {
|
|
return GSocket_Init();
|
|
}
|
|
void OnExit() {
|
|
GSocket_Cleanup();
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
|
|
|
|
#endif
|
|
// wxUSE_SOCKETS
|