-////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
// Name: socket.cpp
// Purpose: Socket handler classes
-// Authors: Guilhem Lavaux
+// Authors: Guilhem Lavaux, Guillermo Rodriguez Garcia
// Created: April 1997
-// Updated: July 1999
-// Copyright: (C) 1999, 1998, 1997, Guilhem Lavaux
+// Copyright: (C) 1999-1997, Guilhem Lavaux
+// (C) 2000-1999, Guillermo Rodriguez Garcia
// RCS_ID: $Id$
// License: see wxWindows license
-////////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
#ifdef __GNUG__
#pragma implementation "socket.h"
#endif
#if wxUSE_SOCKETS
-/////////////////////////////////////////////////////////////////////////////
-// wxWindows headers
-/////////////////////////////////////////////////////////////////////////////
-#include <wx/defs.h>
-#include <wx/object.h>
-#include <wx/string.h>
-#include <wx/timer.h>
-#include <wx/utils.h>
-#include <wx/log.h>
+// ==========================================================================
+// Headers and constants
+// ==========================================================================
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
+#include "wx/app.h"
+#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"
-/////////////////////////////////////////////////////////////////////////////
-// wxSocket headers
-/////////////////////////////////////////////////////////////////////////////
-#include <wx/module.h>
-#include <wx/sckaddr.h>
-#include <wx/socket.h>
+#if wxUSE_GUI
+ #include "wx/gdicmn.h" // for wxPendingDelete
+#endif // wxUSE_GUI
+
+#include "wx/sckaddr.h"
+#include "wx/socket.h"
+
+
+// discard buffer
+#define MAX_DISCARD_SIZE (10 * 1024)
+
+// what to do within waits
+#define PROCESS_EVENTS() wxYield()
+
+// use wxPostEvent or not
+#define USE_DELAYED_EVENTS 1
-// --------------------------------------------------------------
+// --------------------------------------------------------------------------
// ClassInfos
-// --------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
+// --------------------------------------------------------------------------
+
IMPLEMENT_CLASS(wxSocketBase, wxObject)
IMPLEMENT_CLASS(wxSocketServer, wxSocketBase)
IMPLEMENT_CLASS(wxSocketClient, wxSocketBase)
+IMPLEMENT_CLASS(wxDatagramSocket, wxSocketBase)
IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent)
-#endif
-class wxSocketState : public wxObject {
+class wxSocketState : public wxObject
+{
public:
- bool notify_state;
- GSocketEventFlags evt_notify_state;
- wxSocketBase::wxSockFlags socket_flags;
- wxSocketBase::wxSockCbk c_callback;
- char *c_callback_data;
+ bool m_notify_state;
+ wxSocketEventFlags m_neededreq;
+ wxSockFlags m_flags;
+ wxSocketBase::wxSockCbk m_cbk;
+ char *m_cdata;
public:
wxSocketState() : wxObject() {}
};
-// --------------------------------------------------------------
-// --------- wxSocketBase CONSTRUCTOR ---------------------------
-// --------------------------------------------------------------
-wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags,
- wxSocketBase::wxSockType _type) :
+
+// ==========================================================================
+// wxSocketBase
+// ==========================================================================
+
+// --------------------------------------------------------------------------
+// Ctor and dtor
+// --------------------------------------------------------------------------
+
+wxSocketBase::wxSocketBase(wxSockFlags _flags, wxSockType _type) :
wxEvtHandler(),
- m_socket(NULL), m_flags(_flags), m_type(_type),
- m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
- m_lcount(0), m_timeout(3600),
+ m_socket(NULL), m_evt_handler(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_cbk(NULL), m_cdata(NULL),
- m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
- m_defering(NO_DEFER),
- m_states()
+ m_cbk(NULL), m_cdata(NULL)
{
}
wxSocketBase::wxSocketBase() :
wxEvtHandler(),
- m_socket(NULL), m_flags(SPEED | WAITALL), m_type(SOCK_UNINIT),
- m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
- m_lcount(0), m_timeout(3600),
+ m_socket(NULL), m_evt_handler(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_cbk(NULL), m_cdata(NULL),
- m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
- m_defering(NO_DEFER),
- m_states()
+ m_cbk(NULL), m_cdata(NULL)
{
}
-// --------------------------------------------------------------
-// wxSocketBase destructor
-// --------------------------------------------------------------
-
wxSocketBase::~wxSocketBase()
{
if (m_unread)
free(m_unread);
- // At last, close the file descriptor.
+ // Shutdown and close the socket
Close();
+ // Destroy the GSocket object
if (m_socket)
GSocket_destroy(m_socket);
}
-bool wxSocketBase::Close()
+/*
+bool wxSocketBase::Destroy()
{
- if (m_socket)
- {
- if (m_notify_state == TRUE)
- Notify(FALSE);
+ // Delayed destruction: the socket will be deleted during the next
+ // idle loop iteration. This ensures that all pending events have
+ // been processed.
- // Shutdown the connection.
- GSocket_Shutdown(m_socket);
- m_connected = FALSE;
- }
+ m_beingDeleted = TRUE;
+ Close();
+
+ if ( !wxPendingDelete.Member(this) )
+ wxPendingDelete.Append(this);
return TRUE;
}
+*/
+
+// --------------------------------------------------------------------------
+// Basic IO operations
+// --------------------------------------------------------------------------
-// --------------------------------------------------------------
-// wxSocketBase base IO function
-// --------------------------------------------------------------
+// The following IO operations update m_error and m_lcount:
+// {Read, Write, ReadMsg, WriteMsg, Peek, Unread, Discard}
+//
+// TODO: Should Connect, Accept and AcceptWith update m_error?
-int wxSocketBase::DeferRead(char *buffer, size_t nbytes)
+bool wxSocketBase::Close()
{
- GSocketEventFlags old_event_flags;
- bool old_notify_state;
+ // Interrupt pending waits
+ InterruptAllWaits();
- wxASSERT(m_defering == NO_DEFER);
+ if (m_socket)
+ {
+ // Disable callbacks
+ GSocket_UnsetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
- m_defering = DEFER_READ;
+ // Shutdown the connection
+ GSocket_Shutdown(m_socket);
+ }
- old_event_flags = NeededReq();
- old_notify_state = m_notify_state;
+ m_connected = FALSE;
+ m_establishing = FALSE;
+ return TRUE;
+}
- SetNotify(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
- Notify(TRUE);
+wxSocketBase& wxSocketBase::Read(char* buffer, wxUint32 nbytes)
+{
+ // Mask read events
+ m_reading = TRUE;
- m_defer_buffer = buffer;
- m_defer_nbytes = nbytes;
- while (m_defer_buffer != NULL)
- wxYield();
+ m_lcount = _Read(buffer, nbytes);
- Notify(old_notify_state);
- SetNotify(old_event_flags);
+ // If in wxSOCKET_WAITALL mode, all bytes should have been read.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- m_defering = NO_DEFER;
+ // Allow read events from now on
+ m_reading = FALSE;
- return nbytes-m_defer_nbytes;
+ return *this;
}
-wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes)
+wxUint32 wxSocketBase::_Read(char* buffer, wxUint32 nbytes)
{
+ int total;
int ret = 1;
- m_lcount = GetPushback(buffer, nbytes, FALSE);
- nbytes -= m_lcount;
- buffer += m_lcount;
-
- if (!m_connected)
- return *this;
+ // Try the pushback buffer first
+ total = GetPushback(buffer, nbytes, FALSE);
+ nbytes -= total;
+ buffer += total;
+
+ // If the socket is invalid or we got all the data, return now
+ if (!m_socket || !nbytes)
+ return total;
+
+ // Possible combinations (they are checked in this order)
+ // wxSOCKET_NOWAIT
+ // wxSOCKET_WAITALL | wxSOCKET_BLOCK
+ // wxSOCKET_WAITALL
+ // wxSOCKET_BLOCK
+ // wxSOCKET_NONE
+ //
+ if (m_flags & wxSOCKET_NOWAIT)
+ {
+ GSocket_SetNonBlocking(m_socket, TRUE);
+ ret = GSocket_Read(m_socket, buffer, nbytes);
+ GSocket_SetNonBlocking(m_socket, FALSE);
- // If we have got the whole needed buffer or if we don't want to
- // wait then it returns immediately.
- if (!nbytes || (m_lcount && !(m_flags & WAITALL)) ) {
- return *this;
+ if (ret > 0)
+ total += ret;
}
+ else if (m_flags & wxSOCKET_WAITALL)
+ {
+ while (ret > 0 && nbytes > 0)
+ {
+ if (!(m_flags & wxSOCKET_BLOCK) && !WaitForRead())
+ break;
- if ((m_flags & SPEED) != 0) {
+ ret = GSocket_Read(m_socket, buffer, nbytes);
- if ((m_flags & WAITALL) != 0) {
- while (ret > 0 && nbytes > 0) {
- ret = GSocket_Read(m_socket, buffer, nbytes);
- m_lcount += ret;
+ if (ret > 0)
+ {
+ total += ret;
buffer += ret;
nbytes -= ret;
}
- // In case the last call was an error ...
- if (ret < 0)
- m_lcount ++;
- } else {
+ }
+ }
+ else
+ {
+ if ((m_flags & wxSOCKET_BLOCK) || WaitForRead())
+ {
ret = GSocket_Read(m_socket, buffer, nbytes);
+
if (ret > 0)
- m_lcount += ret;
+ total += ret;
}
-
- } else {
- ret = DeferRead(buffer, nbytes);
-
- if (ret > 0)
- m_lcount += ret;
}
- return *this;
+ return total;
}
-wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
+wxSocketBase& wxSocketBase::ReadMsg(char* buffer, wxUint32 nbytes)
{
- unsigned long len, len2, sig;
- struct {
- char sig[4];
- char len[4];
+ wxUint32 len, len2, sig, total;
+ bool error;
+ int old_flags;
+ struct
+ {
+ unsigned char sig[4];
+ unsigned char len[4];
} msg;
- // sig should be an explicit 32-bit unsigned integer; I've seen
- // compilers in which size_t was actually a 16-bit unsigned integer
+ // Mask read events
+ m_reading = TRUE;
+
+ total = 0;
+ error = TRUE;
+ old_flags = m_flags;
+ SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
- Read((char *)&msg, sizeof(msg));
- if (m_lcount != sizeof(msg))
- return *this;
+ if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg))
+ goto exit;
- 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;
+ sig = (wxUint32)msg.sig[0];
+ sig |= (wxUint32)(msg.sig[1] << 8);
+ sig |= (wxUint32)(msg.sig[2] << 16);
+ sig |= (wxUint32)(msg.sig[3] << 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 is incorrectly computed in the original; this sequence is
- // the fix
- if (len > nbytes) {
+ {
+ wxLogWarning( _("wxSocket: invalid signature in ReadMsg."));
+ goto exit;
+ }
+
+ len = (wxUint32)msg.len[0];
+ len |= (wxUint32)(msg.len[1] << 8);
+ len |= (wxUint32)(msg.len[2] << 16);
+ len |= (wxUint32)(msg.len[3] << 24);
+
+ if (len > nbytes)
+ {
len2 = len - nbytes;
len = nbytes;
}
else
len2 = 0;
- // the "len &&" in the following statement is necessary so that
- // we don't attempt to read (and possibly hang the system)
- // if the message was zero bytes long
- if (len && 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
+ // Don't attemp to read if the msg was zero bytes long.
+ if (len)
+ {
+ total = _Read(buffer, len);
+
+ if (total != len)
+ goto exit;
+ }
+ if (len2)
+ {
+ char *discard_buffer = new char[MAX_DISCARD_SIZE];
+ long discard_len;
+
+ // 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, (wxUint32)discard_len);
+ len2 -= (wxUint32)discard_len;
+ }
+ while ((discard_len > 0) && len2);
+
+ delete [] discard_buffer;
+
+ if (len2 != 0)
+ goto exit;
+ }
+ if (_Read((char *)&msg, sizeof(msg)) != sizeof(msg))
+ goto exit;
+
+ sig = (wxUint32)msg.sig[0];
+ sig |= (wxUint32)(msg.sig[1] << 8);
+ sig |= (wxUint32)(msg.sig[2] << 16);
+ sig |= (wxUint32)(msg.sig[3] << 24);
+
if (sig != 0xdeadfeed)
- wxLogDebug(_T("Warning: invalid signature returned to ReadMsg\n"));
+ {
+ wxLogWarning( _("wxSocket: invalid signature in ReadMsg."));
+ goto exit;
+ }
- return *this;
-}
+ // everything was OK
+ error = FALSE;
-wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
-{
- Read(buffer, nbytes);
- CreatePushbackAfter(buffer, nbytes);
+exit:
+ m_error = error;
+ m_lcount = total;
+ m_reading = FALSE;
+ SetFlags(old_flags);
return *this;
}
-int wxSocketBase::DeferWrite(const char *buffer, size_t nbytes)
+wxSocketBase& wxSocketBase::Peek(char* buffer, wxUint32 nbytes)
{
- GSocketEventFlags old_event_flags;
- bool old_notify_state;
+ // Mask read events
+ m_reading = TRUE;
- wxASSERT(m_defering == NO_DEFER);
+ m_lcount = _Read(buffer, nbytes);
+ Pushback(buffer, m_lcount);
- m_defering = DEFER_WRITE;
+ // If in wxSOCKET_WAITALL mode, all bytes should have been read.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- old_event_flags = NeededReq();
- old_notify_state = m_notify_state;
+ // Allow read events again
+ m_reading = FALSE;
- SetNotify(GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
- Notify(TRUE);
+ return *this;
+}
- m_defer_buffer = (char *)buffer;
- m_defer_nbytes = nbytes;
- while (m_defer_buffer != NULL)
- wxYield();
+wxSocketBase& wxSocketBase::Write(const char *buffer, wxUint32 nbytes)
+{
+ // Mask write events
+ m_writing = TRUE;
- Notify(old_notify_state);
- SetNotify(old_event_flags);
+ m_lcount = _Write(buffer, nbytes);
+
+ // If in wxSOCKET_WAITALL mode, all bytes should have been written.
+ if (m_flags & wxSOCKET_WAITALL)
+ m_error = (m_lcount != nbytes);
+ else
+ m_error = (m_lcount == 0);
- m_defering = NO_DEFER;
+ // Allow write events again
+ m_writing = FALSE;
- return nbytes-m_defer_nbytes;
+ return *this;
}
-wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
+wxUint32 wxSocketBase::_Write(const char *buffer, wxUint32 nbytes)
{
- int ret;
+ wxUint32 total = 0;
+ int ret = 1;
+
+ // If the socket is invalid, return immediately
+ if (!m_socket)
+ return 0;
- if ((m_flags & SPEED) != 0)
+ // Possible combinations (they are checked in this order)
+ // wxSOCKET_NOWAIT
+ // wxSOCKET_WAITALL | wxSOCKET_BLOCK
+ // wxSOCKET_WAITALL
+ // wxSOCKET_BLOCK
+ // wxSOCKET_NONE
+ //
+ if (m_flags & wxSOCKET_NOWAIT)
+ {
+ GSocket_SetNonBlocking(m_socket, TRUE);
ret = GSocket_Write(m_socket, buffer, nbytes);
+ GSocket_SetNonBlocking(m_socket, FALSE);
+
+ if (ret > 0)
+ total = ret;
+ }
+ else if (m_flags & wxSOCKET_WAITALL)
+ {
+ while (ret > 0 && nbytes > 0)
+ {
+ if (!(m_flags & wxSOCKET_BLOCK) && !WaitForWrite())
+ break;
+
+ ret = GSocket_Write(m_socket, buffer, nbytes);
+
+ if (ret > 0)
+ {
+ total += ret;
+ buffer += ret;
+ nbytes -= ret;
+ }
+ }
+ }
else
- ret = DeferWrite(buffer, nbytes);
+ {
+ if ((m_flags & wxSOCKET_BLOCK) || WaitForWrite())
+ {
+ ret = GSocket_Write(m_socket, buffer, nbytes);
- if (ret != -1)
- m_lcount += ret;
+ if (ret > 0)
+ total = ret;
+ }
+ }
- return *this;
+ return total;
}
-wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes)
+wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, wxUint32 nbytes)
{
+ wxUint32 total;
+ bool error;
+ int old_flags;
struct {
- char sig[4];
- char len[4];
+ unsigned char sig[4];
+ unsigned char len[4];
} msg;
- // 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;
+ // Mask write events
+ m_writing = TRUE;
+
+ error = TRUE;
+ total = 0;
+ old_flags = m_flags;
+ SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
+
+ msg.sig[0] = (unsigned char) 0xad;
+ msg.sig[1] = (unsigned char) 0xde;
+ msg.sig[2] = (unsigned char) 0xed;
+ msg.sig[3] = (unsigned char) 0xfe;
+
+ 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);
+
+ if (_Write((char *)&msg, sizeof(msg)) < sizeof(msg))
+ goto exit;
+
+ total = _Write(buffer, nbytes);
+
+ if (total < nbytes)
+ goto exit;
+
+ 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;
- Write((char *)&msg, sizeof(msg));
- return *this;
+ if ((_Write((char *)&msg, sizeof(msg))) < sizeof(msg))
+ goto exit;
+
+ // everything was OK
+ error = FALSE;
+
+exit:
+ m_error = error;
+ m_lcount = total;
+ m_writing = FALSE;
-#ifdef __VISUALC__
- #pragma warning(default: 4310)
-#endif // __VISUALC__
+ return *this;
}
-wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes)
+wxSocketBase& wxSocketBase::Unread(const char *buffer, wxUint32 nbytes)
{
- m_lcount = 0;
- if (nbytes != 0) {
- CreatePushbackAfter(buffer, nbytes);
- m_lcount = nbytes;
- }
+ if (nbytes != 0)
+ Pushback(buffer, nbytes);
+
+ m_error = FALSE;
+ m_lcount = nbytes;
+
return *this;
}
-bool wxSocketBase::IsData() const
+wxSocketBase& wxSocketBase::Discard()
{
- if (!m_socket)
- return FALSE;
+ int old_flags;
+ char *buffer = new char[MAX_DISCARD_SIZE];
+ wxUint32 ret;
+ wxUint32 total = 0;
+
+ // Mask read events
+ m_reading = TRUE;
+
+ old_flags = m_flags;
+ SetFlags(wxSOCKET_NOWAIT);
+
+ do
+ {
+ ret = _Read(buffer, MAX_DISCARD_SIZE);
+ total += ret;
+ }
+ while (ret == MAX_DISCARD_SIZE);
- return (GSocket_DataAvailable(m_socket));
+ delete[] buffer;
+ m_lcount = total;
+ m_error = FALSE;
+
+ // Allow read events again
+ m_reading = FALSE;
+
+ return *this;
}
-void wxSocketBase::DoDefer(GSocketEvent req_evt)
+// --------------------------------------------------------------------------
+// Wait functions
+// --------------------------------------------------------------------------
+
+// All Wait functions poll the socket using GSocket_Select() to
+// check for the specified combination of conditions, until one
+// of these conditions become true, an error occurs, or the
+// timeout elapses. The polling loop calls PROCESS_EVENTS(), so
+// this won't block the GUI.
+
+#if wxUSE_GUI
+
+class _wxSocketInternalTimer: public wxTimer
{
- int ret;
+public:
+ int *m_state;
+ unsigned long m_new_val;
- if (req_evt == GSOCK_LOST) {
- Close();
- m_defer_buffer = NULL;
- return;
+ void Notify()
+ {
+ *m_state = (int)m_new_val; // Change the value
}
- switch (m_defering) {
- 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;
- break;
+};
+
+#endif // wxUSE_GUI
+
+bool wxSocketBase::_Wait(long seconds, long milliseconds,
+ wxSocketEventFlags flags)
+{
+ GSocketEventFlags result;
+#if wxUSE_GUI
+ _wxSocketInternalTimer timer;
+ wxTimerRunner runTimer(timer);
+#endif // wxUSE_GUI
+
+ long timeout;
+ int state = -1;
+
+ // Set this to TRUE to interrupt ongoing waits
+ m_interrupt = FALSE;
+
+ // Check for valid socket
+ if (!m_socket)
+ return FALSE;
+
+ // Check for valid timeout value
+ if (seconds != -1)
+ timeout = seconds * 1000 + milliseconds;
+ else
+ timeout = m_timeout * 1000;
+
+ // Activate timer
+ if (timeout)
+ {
+#if wxUSE_GUI
+ timer.m_state = &state;
+ timer.m_new_val = 0;
+ runTimer.Start((int)timeout, TRUE);
+#endif // wxUSE_GUI
}
- m_defer_nbytes -= ret;
+ // 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 Wait functions are not being
+ // used.
+ //
+ // Do this at least once (important if timeout == 0, when
+ // we are just polling). Also, if just polling, do not yield.
+
+ while (state == -1)
+ {
+ result = GSocket_Select(m_socket, flags | GSOCK_LOST_FLAG);
+
+ // Incoming connection (server) or connection established (client)
+ if (result & GSOCK_CONNECTION_FLAG)
+ {
+ m_connected = TRUE;
+ m_establishing = FALSE;
+ return TRUE;
+ }
- if (ret < 0)
- m_defer_nbytes++;
+ // Data available or output buffer ready
+ if ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG))
+ {
+ return TRUE;
+ }
- if ((m_flags & WAITALL) == 0 || m_defer_nbytes == 0 || ret < 0) {
- m_defer_buffer = NULL;
- Notify(FALSE);
- } else
- m_defer_buffer += ret;
+ // Connection lost
+ if (result & GSOCK_LOST_FLAG)
+ {
+ m_connected = FALSE;
+ m_establishing = FALSE;
+ return (flags & GSOCK_LOST_FLAG);
+ }
+
+ // Wait more?
+ if ((timeout == 0) || (m_interrupt))
+ break;
+ else
+ PROCESS_EVENTS();
+ }
+
+ return FALSE;
}
-// ---------------------------------------------------------------------
-// --------- wxSocketBase Discard(): deletes all byte in the input queue
-// ---------------------------------------------------------------------
-void wxSocketBase::Discard()
+bool wxSocketBase::Wait(long seconds, long milliseconds)
{
-#define MAX_BUFSIZE (10*1024)
- char *my_data = new char[MAX_BUFSIZE];
- size_t recv_size = MAX_BUFSIZE;
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG |
+ GSOCK_OUTPUT_FLAG |
+ GSOCK_CONNECTION_FLAG |
+ GSOCK_LOST_FLAG);
+}
- SaveState();
- SetFlags(NOWAIT | SPEED);
+bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
+{
+ // Check pushback buffer before entering _Wait
+ if (m_unread)
+ return TRUE;
- while (recv_size == MAX_BUFSIZE)
- {
- recv_size = Read(my_data, MAX_BUFSIZE).LastCount();
- }
+ // Note that GSOCK_INPUT_LOST has to be explicitly passed to
+ // _Wait becuase of the semantics of WaitForRead: a return
+ // value of TRUE means that a GSocket_Read call will return
+ // immediately, not that there is actually data to read.
+
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG |
+ GSOCK_LOST_FLAG);
+}
- RestoreState();
- delete [] my_data;
+bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
+{
+ return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG);
+}
-#undef MAX_BUFSIZE
+bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
+{
+ return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
}
-// --------------------------------------------------------------
-// wxSocketBase socket info functions
-// --------------------------------------------------------------
+// --------------------------------------------------------------------------
+// Miscellaneous
+// --------------------------------------------------------------------------
+
+//
+// Get local or peer address
+//
bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
{
return TRUE;
}
-// --------------------------------------------------------------
-// wxSocketBase wait functions
-// --------------------------------------------------------------
+//
+// Save and restore socket state
+//
void wxSocketBase::SaveState()
{
state = new wxSocketState();
- 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;
+ state->m_notify_state = m_notify_state;
+ state->m_neededreq = m_neededreq;
+ state->m_flags = m_flags;
+ state->m_cbk = m_cbk;
+ state->m_cdata = m_cdata;
m_states.Append(state);
}
state = (wxSocketState *)node->Data();
- 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);
+ SetFlags(state->m_flags);
+ m_cbk = state->m_cbk;
+ m_cdata = state->m_cdata;
+ m_neededreq = state->m_neededreq;
+ Notify(state->m_notify_state);
delete node;
delete state;
}
-// --------------------------------------------------------------
-// --------- wxSocketBase callback functions --------------------
-// --------------------------------------------------------------
+//
+// Timeout and flags
+//
-wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
+void wxSocketBase::SetTimeout(long seconds)
{
- wxSockCbk old_cbk = cbk_;
+ m_timeout = seconds;
- m_cbk = cbk_;
- return old_cbk;
+ if (m_socket)
+ GSocket_SetTimeout(m_socket, m_timeout * 1000);
}
-char *wxSocketBase::CallbackData(char *data)
+void wxSocketBase::SetFlags(wxSockFlags _flags)
{
- char *old_data = m_cdata;
-
- m_cdata = data;
- return old_data;
+ m_flags = _flags;
}
-// --------------------------------------------------------------
-// --------- wxSocketBase wait functions ------------------------
-// --------------------------------------------------------------
-
-class _wxSocketInternalTimer: public wxTimer {
- public:
- int *m_state;
-
- void Notify()
- {
- *m_state = GSOCK_MAX_EVENT; // Just to say it's a timeout.
- }
-};
+// --------------------------------------------------------------------------
+// Callbacks (now obsolete - use events instead)
+// --------------------------------------------------------------------------
-static void wx_socket_wait(GSocket *socket, GSocketEvent event, char *cdata)
+wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
{
- int *state = (int *)cdata;
+ wxSockCbk old_cbk = cbk_;
- *state = event;
+ m_cbk = cbk_;
+ return old_cbk;
}
-bool wxSocketBase::_Wait(long seconds, long milliseconds, int type)
+char *wxSocketBase::CallbackData(char *data)
{
- bool old_notify_state = m_notify_state;
- int state = 0;
- _wxSocketInternalTimer timer;
-
- if (!m_connected || !m_socket)
- return FALSE;
-
- timer.m_state = &state;
-
- Notify(FALSE);
-
- timer.Start(seconds * 1000 + milliseconds, TRUE);
- GSocket_SetFallback(m_socket, type, wx_socket_wait, (char *)&state);
-
- while (state == 0)
- wxYield();
-
- GSocket_UnsetFallback(m_socket, type);
- timer.Stop();
-
- Notify(old_notify_state);
+ char *old_data = m_cdata;
- return (state != GSOCK_MAX_EVENT);
+ m_cdata = data;
+ return old_data;
}
-bool wxSocketBase::Wait(long seconds, long milliseconds)
-{
- return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
- GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
-}
+// --------------------------------------------------------------------------
+// Event system
+// --------------------------------------------------------------------------
-bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
-{
- return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
-}
+// All events (INPUT, OUTPUT, CONNECTION, LOST) are now always
+// internally watched; but users will only be notified of those
+// events they are interested in.
-bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
+static void LINKAGEMODE wx_socket_callback(GSocket * WXUNUSED(socket),
+ GSocketEvent event,
+ char *cdata)
{
- return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
-}
+ wxSocketBase *sckobj = (wxSocketBase *)cdata;
-bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
-{
- return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
+ sckobj->OnRequest((wxSocketNotify)event);
}
-// --------------------------------------------------------------
-// --------- wxSocketBase callback management -------------------
-// --------------------------------------------------------------
-
-GSocketEventFlags wxSocketBase::EventToNotify(GSocketEvent evt)
+wxSocketEventFlags wxSocketBase::EventToNotify(wxSocketNotify evt)
{
switch (evt)
{
- 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;
- default:
- return 0;
+ 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;
}
-void wxSocketBase::SetFlags(wxSockFlags _flags)
-{
- m_flags = _flags;
-}
-
-wxSocketBase::wxSockFlags wxSocketBase::GetFlags() const
+void wxSocketBase::SetNotify(wxSocketEventFlags flags)
{
- return m_flags;
-}
-
-void wxSocketBase::SetNotify(GSocketEventFlags flags)
-{
- /* Check if server */
- if (m_type != SOCK_SERVER)
- flags &= ~GSOCK_CONNECTION_FLAG;
-
m_neededreq = flags;
- if (m_neededreq == 0)
- Notify(FALSE);
- else
- Notify(m_notify_state);
-}
-
-// --------------------------------------------------------------
-// Automatic notifier
-// --------------------------------------------------------------
-
-static void wx_socket_fallback(GSocket *socket, GSocketEvent event, char *cdata)
-{
- wxSocketBase *sckobj = (wxSocketBase *)cdata;
-
- sckobj->OnRequest(event);
}
void wxSocketBase::Notify(bool notify)
{
m_notify_state = notify;
- if (!m_socket)
- return;
-
- GSocket_UnsetFallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
- GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
- if (!notify)
- return;
-
- GSocket_SetFallback(m_socket, m_neededreq, wx_socket_fallback, (char *)this);
}
-void wxSocketBase::OnRequest(GSocketEvent req_evt)
+void wxSocketBase::OnRequest(wxSocketNotify req_evt)
{
wxSocketEvent event(m_id);
- GSocketEventFlags notify = EventToNotify(req_evt);
+ wxSocketEventFlags flag = EventToNotify(req_evt);
- if (m_defering != NO_DEFER) {
- DoDefer(req_evt);
- return;
+ // This duplicates some code in _Wait, but this doesn't
+ // hurt. It has to be here because we don't know whether
+ // the Wait functions will be 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;
+
+ // If we are in the middle of a R/W operation, do not
+ // propagate events to users. Also, filter 'late' events
+ // which are no longer valid.
+
+ case wxSOCKET_INPUT:
+ if (m_reading || !GSocket_Select(m_socket, GSOCK_INPUT_FLAG))
+ return;
+ break;
+
+ case wxSOCKET_OUTPUT:
+ if (m_writing || !GSocket_Select(m_socket, GSOCK_OUTPUT_FLAG))
+ return;
+ break;
+
+ case wxSOCKET_LOST:
+ m_connected = FALSE;
+ m_establishing = FALSE;
+ break;
+
+ default:
+ break;
}
- if ((m_neededreq & notify) == notify) {
+ if (((m_neededreq & flag) == flag) && m_notify_state)
+ {
event.m_socket = this;
- event.m_skevt = req_evt;
- ProcessEvent(event);
+ event.m_skevt = req_evt;
+
+ if (m_evt_handler)
+ {
+#if USE_DELAYED_EVENTS
+ wxPostEvent(m_evt_handler, event);
+#else
+ ProcessEvent(event);
+#endif
+ }
+
OldOnNotify(req_evt);
+ if (m_cbk)
+ m_cbk(*this, req_evt, m_cdata);
}
-
- if (req_evt == GSOCK_LOST)
- Close();
}
-void wxSocketBase::OldOnNotify(GSocketEvent evt)
+void wxSocketBase::OldOnNotify(wxSocketNotify WXUNUSED(evt))
{
}
-// --------------------------------------------------------------
-// --------- wxSocketBase functions [Callback, CallbackData] ----
-// --------------------------------------------------------------
-
void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id)
{
- SetNextHandler(&h_evt);
+ m_evt_handler = &h_evt;
m_id = id;
+
+ SetNextHandler(&h_evt);
}
-// --------------------------------------------------------------
-// --------- wxSocketBase pushback library ----------------------
-// --------------------------------------------------------------
+// --------------------------------------------------------------------------
+// Pushback buffer
+// --------------------------------------------------------------------------
-void wxSocketBase::CreatePushbackAfter(const char *buffer, size_t size)
+void wxSocketBase::Pushback(const char *buffer, wxUint32 size)
{
- char *curr_pos;
-
- if (m_unread != NULL)
- m_unread = (char *) realloc(m_unread, m_unrd_size+size);
- else
- m_unread = (char *) malloc(size);
+ if (!size) return;
- curr_pos = m_unread + m_unrd_size;
-
- memcpy(curr_pos, buffer, size);
- m_unrd_size += size;
-}
-
-void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size)
-{
if (m_unread == NULL)
m_unread = (char *)malloc(size);
- else {
+ else
+ {
char *tmp;
tmp = (char *)malloc(m_unrd_size + size);
memcpy(m_unread, buffer, size);
}
-size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek)
+wxUint32 wxSocketBase::GetPushback(char *buffer, wxUint32 size, bool peek)
{
if (!m_unrd_size)
return 0;
if (size > (m_unrd_size-m_unrd_cur))
size = m_unrd_size-m_unrd_cur;
+
memcpy(buffer, (m_unread+m_unrd_cur), size);
- if (!peek) {
+ if (!peek)
+ {
m_unrd_cur += size;
- if (m_unrd_size == m_unrd_cur) {
+ if (m_unrd_size == m_unrd_cur)
+ {
free(m_unread);
m_unread = NULL;
m_unrd_size = 0;
return size;
}
-// --------------------------------------------------------------
+// ==========================================================================
// wxSocketServer
-// --------------------------------------------------------------
+// ==========================================================================
+
+// --------------------------------------------------------------------------
+// Ctor
+// --------------------------------------------------------------------------
wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
- wxSockFlags flags) :
- wxSocketBase(flags, SOCK_SERVER)
+ wxSockFlags flags)
+ : wxSocketBase(flags, SOCK_SERVER)
{
+ // 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) {
+ if (GSocket_SetServer(m_socket) != GSOCK_NOERROR)
+ {
GSocket_destroy(m_socket);
m_socket = NULL;
return;
}
- Notify(TRUE);
+ GSocket_SetTimeout(m_socket, m_timeout * 1000);
+ GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char *)this);
+
}
-// --------------------------------------------------------------
-// wxSocketServer Accept
-// --------------------------------------------------------------
+// --------------------------------------------------------------------------
+// Accept
+// --------------------------------------------------------------------------
-bool wxSocketServer::AcceptWith(wxSocketBase& sock)
+bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait)
{
GSocket *child_socket;
+ if (!m_socket)
+ return FALSE;
+
+ // If wait == FALSE, then the call should be nonblocking.
+ // When we are finished, we put the socket to blocking mode
+ // again.
+
+ if (!wait)
+ GSocket_SetNonBlocking(m_socket, TRUE);
+
child_socket = GSocket_WaitConnection(m_socket);
+ if (!wait)
+ GSocket_SetNonBlocking(m_socket, FALSE);
+
+ if (!child_socket)
+ return FALSE;
+
sock.m_type = SOCK_INTERNAL;
sock.m_socket = child_socket;
sock.m_connected = TRUE;
+ GSocket_SetTimeout(sock.m_socket, sock.m_timeout * 1000);
+ GSocket_SetCallback(sock.m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char *)&sock);
+
return TRUE;
}
-wxSocketBase *wxSocketServer::Accept()
+wxSocketBase *wxSocketServer::Accept(bool wait)
{
wxSocketBase* sock = new wxSocketBase();
sock->SetFlags((wxSockFlags)m_flags);
- if (!AcceptWith(*sock))
+ if (!AcceptWith(*sock, wait))
return NULL;
return sock;
}
-// --------------------------------------------------------------
+bool wxSocketServer::WaitForAccept(long seconds, long milliseconds)
+{
+ return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG);
+}
+
+// ==========================================================================
// wxSocketClient
-// --------------------------------------------------------------
+// ==========================================================================
-// --------- wxSocketClient CONSTRUCTOR -------------------------
-// --------------------------------------------------------------
-wxSocketClient::wxSocketClient(wxSockFlags _flags) :
- wxSocketBase(_flags, SOCK_CLIENT)
+// --------------------------------------------------------------------------
+// Ctor and dtor
+// --------------------------------------------------------------------------
+
+wxSocketClient::wxSocketClient(wxSockFlags _flags)
+ : wxSocketBase(_flags, SOCK_CLIENT)
{
}
-// --------------------------------------------------------------
-// --------- wxSocketClient DESTRUCTOR --------------------------
-// --------------------------------------------------------------
+// XXX: What is this for ?
wxSocketClient::~wxSocketClient()
{
}
-// --------------------------------------------------------------
-// --------- wxSocketClient Connect functions -------------------
-// --------------------------------------------------------------
-bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) )
+// --------------------------------------------------------------------------
+// Connect
+// --------------------------------------------------------------------------
+
+bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
{
- if (IsConnected())
- Close();
+ GSocketError err;
- // This should never happen.
if (m_socket)
+ {
+ // Shutdown and destroy the socket
+ Close();
GSocket_destroy(m_socket);
+ }
- // Initializes all socket stuff ...
- // --------------------------------
m_socket = GSocket_new();
+ m_connected = FALSE;
+ m_establishing = FALSE;
if (!m_socket)
return FALSE;
- m_connected = FALSE;
+ GSocket_SetTimeout(m_socket, m_timeout * 1000);
+ GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char *)this);
+
+ // If wait == FALSE, then the call should be nonblocking.
+ // When we are finished, we put the socket to blocking mode
+ // again.
+
+ if (!wait)
+ GSocket_SetNonBlocking(m_socket, TRUE);
- // 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) {
+ err = GSocket_Connect(m_socket, GSOCK_STREAMED);
+
+ if (!wait)
+ GSocket_SetNonBlocking(m_socket, FALSE);
+
+ if (err != GSOCK_NOERROR)
+ {
+ if (err == GSOCK_WOULDBLOCK)
+ m_establishing = TRUE;
+
return FALSE;
}
- // Enables bg events.
- // ------------------
- Notify(TRUE);
-
m_connected = TRUE;
return TRUE;
}
-bool wxSocketClient::WaitOnConnect(long seconds, long microseconds)
+bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds)
{
- int ret = _Wait(seconds, microseconds, GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
+ if (m_connected) // Already connected
+ return TRUE;
- if (ret)
- m_connected = TRUE;
+ if (!m_establishing || !m_socket) // No connection in progress
+ return FALSE;
- return m_connected;
+ return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG);
}
-void wxSocketClient::OnRequest(GSocketEvent evt)
+// ==========================================================================
+// wxDatagramSocket
+// ==========================================================================
+
+/* NOTE: experimental stuff - might change */
+
+wxDatagramSocket::wxDatagramSocket( wxSockAddress& addr, wxSockFlags flags )
+ : wxSocketBase( flags, SOCK_DATAGRAM )
{
- if (evt == GSOCK_CONNECTION)
+ // Create the socket
+ m_socket = GSocket_new();
+
+ if(!m_socket)
+ return;
+
+ // Setup the socket as non connection oriented
+ GSocket_SetLocal(m_socket, addr.GetAddress());
+ if( GSocket_SetNonOriented(m_socket) != GSOCK_NOERROR )
{
- if (m_connected)
- {
- m_neededreq &= ~GSOCK_CONNECTION_FLAG;
- return;
- }
- m_connected = TRUE;
+ GSocket_destroy(m_socket);
+ m_socket = NULL;
return;
}
- wxSocketBase::OnRequest(evt);
+
+ // Initialize all stuff
+ m_connected = FALSE;
+ m_establishing = FALSE;
+ 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 );
+
+}
+
+wxDatagramSocket& wxDatagramSocket::RecvFrom( wxSockAddress& addr,
+ char* buf,
+ wxUint32 nBytes )
+{
+ Read(buf, nBytes);
+ GetPeer(addr);
+ return (*this);
+}
+
+wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr,
+ const char* buf,
+ wxUint32 nBytes )
+{
+ GSocket_SetPeer(m_socket, addr.GetAddress());
+ Write(buf, nBytes);
+ return (*this);
}
-// --------------------------------------------------------------
+// ==========================================================================
// wxSocketEvent
-// --------------------------------------------------------------
+// ==========================================================================
+
+// XXX: Should be moved to event.cpp ?
wxSocketEvent::wxSocketEvent(int id)
- : wxEvent(id)
+ : wxEvent(id)
{
wxEventType type = (wxEventType)wxEVT_SOCKET;
event->m_socket = m_socket;
}
-// --------------------------------------------------------------------------
+// ==========================================================================
// wxSocketModule
-// --------------------------------------------------------------------------
-class WXDLLEXPORT wxSocketModule: public wxModule {
+// ==========================================================================
+
+class WXDLLEXPORT wxSocketModule: public wxModule
+{
DECLARE_DYNAMIC_CLASS(wxSocketModule)
- public:
- bool OnInit() {
- GSocket_Init();
- return TRUE;
- }
- void OnExit() {
- GSocket_Done();
- }
+
+public:
+ bool OnInit() { return GSocket_Init(); }
+ void OnExit() { GSocket_Cleanup(); }
};
IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)