/////////////////////////////////////////////////////////////////////////////
-// Name: socket.cpp
+// Name: src/common/socket.cpp
// Purpose: Socket handler classes
// Authors: Guilhem Lavaux, Guillermo Rodriguez Garcia
// Created: April 1997
// Copyright: (C) 1999-1997, Guilhem Lavaux
// (C) 2000-1999, Guillermo Rodriguez Garcia
// RCS_ID: $Id$
-// License: see wxWindows license
+// License: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ==========================================================================
// Declarations
// ==========================================================================
-#ifdef __GNUG__
-#pragma implementation "socket.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#if wxUSE_SOCKETS
-#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"
-#include "wx/event.h"
-
-#if wxUSE_GUI
- #include "wx/gdicmn.h" // for wxPendingDelete
-#endif // wxUSE_GUI
+#include "wx/socket.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/object.h"
+ #include "wx/string.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/event.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/timer.h"
+ #include "wx/module.h"
+#endif
+#include "wx/apptrait.h"
#include "wx/sckaddr.h"
-#include "wx/socket.h"
+#include "wx/stopwatch.h"
+#include "wx/thread.h"
+#include "wx/evtloop.h"
+
+// DLL options compatibility check:
+#include "wx/build.h"
+WX_CHECK_BUILD_OPTIONS("wxNet")
// --------------------------------------------------------------------------
// macros and constants
// discard buffer
#define MAX_DISCARD_SIZE (10 * 1024)
-// what to do within waits
-#if wxUSE_GUI
- #define PROCESS_EVENTS() wxYield()
-#else
- #define PROCESS_EVENTS()
-#endif
+// what to do within waits: we have 2 cases: from the main thread itself we
+// have to call wxYield() to let the events (including the GUI events and the
+// low-level (not wxWidgets) events from GSocket) be processed. From another
+// thread it is enough to just call wxThread::Yield() which will give away the
+// rest of our time slice: the explanation is that the events will be processed
+// by the main thread anyhow, without calling wxYield(), but we don't want to
+// eat the CPU time uselessly while sitting in the loop waiting for the data
+#if wxUSE_THREADS
+ #define PROCESS_EVENTS() \
+ { \
+ if ( wxThread::IsMain() ) \
+ wxYield(); \
+ else \
+ wxThread::Yield(); \
+ }
+#else // !wxUSE_THREADS
+ #define PROCESS_EVENTS() wxYield()
+#endif // wxUSE_THREADS/!wxUSE_THREADS
+
+#define wxTRACE_Socket _T("wxSocket")
// --------------------------------------------------------------------------
// wxWin macros
wxSocketEventFlags m_eventmask;
bool m_notify;
void *m_clientData;
-#if WXWIN_COMPATIBILITY
- wxSocketBase::wxSockCbk m_cbk;
- char *m_cdata;
-#endif // WXWIN_COMPATIBILITY
public:
wxSocketState() : wxObject() {}
+
+ DECLARE_NO_COPY_CLASS(wxSocketState)
};
+// ============================================================================
+// GSocketManager
+// ============================================================================
+
+GSocketManager *GSocketManager::ms_manager = NULL;
+
+/* static */
+void GSocketManager::Set(GSocketManager *manager)
+{
+ wxASSERT_MSG( !ms_manager, "too late to set manager now" );
+
+ ms_manager = manager;
+}
+
+/* static */
+void GSocketManager::Init()
+{
+ wxASSERT_MSG( !ms_manager, "shouldn't be initialized twice" );
+
+ /*
+ Details: Initialize() creates a hidden window as a sink for socket
+ events, such as 'read completed'. wxMSW has only one message loop
+ for the main thread. If Initialize is called in a secondary thread,
+ the socket window will be created for the secondary thread, but
+ since there is no message loop on this thread, it will never
+ receive events and all socket operations will time out.
+ BTW, the main thread must not be stopped using sleep or block
+ on a semaphore (a bad idea in any case) or socket operations
+ will time out.
+
+ On the Mac side, Initialize() stores a pointer to the CFRunLoop for
+ the main thread. Because secondary threads do not have run loops,
+ adding event notifications to the "Current" loop would have no
+ effect at all, events would never fire.
+ */
+ wxASSERT_MSG( wxIsMainThread(),
+ "sockets must be initialized from the main thread" );
+
+ wxAppConsole * const app = wxAppConsole::GetInstance();
+ wxCHECK_RET( app, "sockets can't be initialized without wxApp" );
+
+ ms_manager = app->GetTraits()->GetSocketManager();
+}
+
// ==========================================================================
// wxSocketBase
// ==========================================================================
+// --------------------------------------------------------------------------
+// Initialization and shutdown
+// --------------------------------------------------------------------------
+
+// FIXME-MT: all this is MT-unsafe, of course, we should protect all accesses
+// to m_countInit with a crit section
+size_t wxSocketBase::m_countInit = 0;
+
+bool wxSocketBase::IsInitialized()
+{
+ return m_countInit > 0;
+}
+
+bool wxSocketBase::Initialize()
+{
+ if ( !m_countInit++ )
+ {
+ if ( !GSocket_Init() )
+ {
+ m_countInit--;
+
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void wxSocketBase::Shutdown()
+{
+ // we should be initialized
+ wxASSERT_MSG( m_countInit > 0, _T("extra call to Shutdown()") );
+ if ( --m_countInit == 0 )
+ {
+ GSocket_Cleanup();
+ }
+}
+
// --------------------------------------------------------------------------
// Ctor and dtor
// --------------------------------------------------------------------------
m_establishing =
m_reading =
m_writing =
- m_error = FALSE;
+ m_error =
+ m_closed = false;
m_lcount = 0;
m_timeout = 600;
- m_beingDeleted = FALSE;
+ m_beingDeleted = false;
// pushback buffer
m_unread = NULL;
m_unrd_cur = 0;
// events
- m_id = -1;
+ m_id = wxID_ANY;
m_handler = NULL;
m_clientData = NULL;
- m_notify = FALSE;
+ m_notify = false;
m_eventmask = 0;
-#if WXWIN_COMPATIBILITY
- m_cbk = NULL;
- m_cdata = NULL;
-#endif // WXWIN_COMPATIBILITY
+
+ if ( !IsInitialized() )
+ {
+ // this Initialize() will be undone by wxSocketModule::OnExit(), all the
+ // other calls to it should be matched by a call to Shutdown()
+ Initialize();
+ }
}
wxSocketBase::wxSocketBase()
{
// Just in case the app called Destroy() *and* then deleted
// the socket immediately: don't leave dangling pointers.
-#if wxUSE_GUI
- wxPendingDelete.DeleteObject(this);
-#endif
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits )
+ traits->RemoveFromPendingDelete(this);
// Shutdown and close the socket
if (!m_beingDeleted)
// Destroy the GSocket object
if (m_socket)
- GSocket_destroy(m_socket);
+ delete m_socket;
// Free the pushback buffer
if (m_unread)
// Delayed destruction: the socket will be deleted during the next
// idle loop iteration. This ensures that all pending events have
// been processed.
- m_beingDeleted = TRUE;
+ m_beingDeleted = true;
// Shutdown and close the socket
Close();
// Supress events from now on
- Notify(FALSE);
+ Notify(false);
-#if wxUSE_GUI
- if ( !wxPendingDelete.Member(this) )
- wxPendingDelete.Append(this);
-#else
- delete this;
-#endif
+ // schedule this object for deletion
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits )
+ {
+ // let the traits object decide what to do with us
+ traits->ScheduleForDestroy(this);
+ }
+ else // no app or no traits
+ {
+ // in wxBase we might have no app object at all, don't leak memory
+ delete this;
+ }
- return TRUE;
+ return true;
}
// --------------------------------------------------------------------------
bool wxSocketBase::Close()
{
// Interrupt pending waits
- InterruptAllWaits();
+ InterruptWait();
if (m_socket)
{
// Disable callbacks
- GSocket_UnsetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ m_socket->UnsetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
// Shutdown the connection
- GSocket_Shutdown(m_socket);
+ m_socket->Shutdown();
}
- m_connected = FALSE;
- m_establishing = FALSE;
- return TRUE;
+ m_connected = false;
+ m_establishing = false;
+ return true;
}
wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes)
{
// Mask read events
- m_reading = TRUE;
+ m_reading = true;
m_lcount = _Read(buffer, nbytes);
m_error = (m_lcount == 0);
// Allow read events from now on
- m_reading = FALSE;
+ m_reading = false;
return *this;
}
-wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes)
+wxUint32 wxSocketBase::_Read(void* buffer_, wxUint32 nbytes)
{
+ char *buffer = (char *)buffer_;
+
int total;
- int ret = 1;
// Try the pushback buffer first
- total = GetPushback(buffer, nbytes, FALSE);
+ total = GetPushback(buffer, nbytes, false);
nbytes -= total;
buffer = (char *)buffer + total;
- // If the socket is invalid or we got all the data, return now
- if (!m_socket || !nbytes)
+ // Return now in one of the following cases:
+ // - the socket is invalid,
+ // - we got all the data
+ if ( !m_socket ||
+ !nbytes )
return total;
// Possible combinations (they are checked in this order)
// wxSOCKET_NOWAIT
- // wxSOCKET_WAITALL | wxSOCKET_BLOCK
- // wxSOCKET_WAITALL
+ // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
// wxSOCKET_BLOCK
// wxSOCKET_NONE
//
+ int ret;
if (m_flags & wxSOCKET_NOWAIT)
{
- GSocket_SetNonBlocking(m_socket, TRUE);
- ret = GSocket_Read(m_socket, (char *)buffer, nbytes);
- GSocket_SetNonBlocking(m_socket, FALSE);
+ m_socket->SetNonBlocking(1);
+ ret = m_socket->Read(buffer, nbytes);
+ m_socket->SetNonBlocking(0);
- if (ret > 0)
- total += ret;
+ if ( ret < 0 )
+ return 0;
+
+ total += ret;
}
- else if (m_flags & wxSOCKET_WAITALL)
+ else // blocking socket
{
- while (ret > 0 && nbytes > 0)
+ for ( ;; )
{
- if (!(m_flags & wxSOCKET_BLOCK) && !WaitForRead())
- break;
+ // dispatch events unless disabled
+ if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForRead() )
+ break;
- ret = GSocket_Read(m_socket, (char *)buffer, nbytes);
+ ret = m_socket->Read(buffer, nbytes);
+ if ( ret == 0 )
+ {
+ // for connection-oriented (e.g. TCP) sockets we can only read 0
+ // bytes if the other end has been closed, and for connectionless
+ // ones (UDP) this flag doesn't make sense anyhow so we can set it to
+ // true too without doing any harm
+ m_closed = true;
+ break;
+ }
- if (ret > 0)
+ if ( ret < 0 )
{
- total += ret;
- nbytes -= ret;
- buffer = (char *)buffer + ret;
+ // this will be always interpreted as error by Read()
+ return 0;
}
- }
- }
- else
- {
- if ((m_flags & wxSOCKET_BLOCK) || WaitForRead())
- {
- ret = GSocket_Read(m_socket, (char *)buffer, nbytes);
- if (ret > 0)
- total += ret;
+ total += ret;
+
+ // if wxSOCKET_WAITALL is not set, we can leave now as we did read
+ // something
+ if ( !(m_flags & wxSOCKET_WAITALL) )
+ break;
+
+ // otherwise check if read the maximal requested amount of data
+ nbytes -= ret;
+ if ( !nbytes )
+ break;
+
+ // we didn't, so continue reading
+ buffer = (char *)buffer + ret;
}
}
} msg;
// Mask read events
- m_reading = TRUE;
+ m_reading = true;
total = 0;
- error = TRUE;
+ error = true;
old_flags = m_flags;
SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
if (sig != 0xfeeddead)
{
- wxLogWarning( _("wxSocket: invalid signature in ReadMsg."));
+ wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
goto exit;
}
if (sig != 0xdeadfeed)
{
- wxLogWarning( _("wxSocket: invalid signature in ReadMsg."));
+ wxLogWarning(_("wxSocket: invalid signature in ReadMsg."));
goto exit;
}
// everything was OK
- error = FALSE;
+ error = false;
exit:
m_error = error;
m_lcount = total;
- m_reading = FALSE;
+ m_reading = false;
SetFlags(old_flags);
return *this;
wxSocketBase& wxSocketBase::Peek(void* buffer, wxUint32 nbytes)
{
// Mask read events
- m_reading = TRUE;
+ m_reading = true;
m_lcount = _Read(buffer, nbytes);
Pushback(buffer, m_lcount);
m_error = (m_lcount == 0);
// Allow read events again
- m_reading = FALSE;
+ m_reading = false;
return *this;
}
wxSocketBase& wxSocketBase::Write(const void *buffer, wxUint32 nbytes)
{
// Mask write events
- m_writing = TRUE;
+ m_writing = true;
m_lcount = _Write(buffer, nbytes);
m_error = (m_lcount == 0);
// Allow write events again
- m_writing = FALSE;
+ m_writing = false;
return *this;
}
-wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes)
+wxUint32 wxSocketBase::_Write(const void *buffer_, wxUint32 nbytes)
{
+ const char *buffer = (const char *)buffer_;
+
wxUint32 total = 0;
- int ret = 1;
- // If the socket is invalid, return immediately
- if (!m_socket)
+ // If the socket is invalid or parameters are ill, return immediately
+ if (!m_socket || !buffer || !nbytes)
return 0;
// Possible combinations (they are checked in this order)
// wxSOCKET_NOWAIT
- // wxSOCKET_WAITALL | wxSOCKET_BLOCK
- // wxSOCKET_WAITALL
+ // wxSOCKET_WAITALL (with or without wxSOCKET_BLOCK)
// wxSOCKET_BLOCK
// wxSOCKET_NONE
//
+ int ret;
if (m_flags & wxSOCKET_NOWAIT)
{
- GSocket_SetNonBlocking(m_socket, TRUE);
- ret = GSocket_Write(m_socket, (const char *)buffer, nbytes);
- GSocket_SetNonBlocking(m_socket, FALSE);
+ m_socket->SetNonBlocking(1);
+ ret = m_socket->Write(buffer, nbytes);
+ m_socket->SetNonBlocking(0);
if (ret > 0)
total = ret;
}
- else if (m_flags & wxSOCKET_WAITALL)
+ else // blocking socket
{
- while (ret > 0 && nbytes > 0)
+ for ( ;; )
{
- if (!(m_flags & wxSOCKET_BLOCK) && !WaitForWrite())
- break;
+ if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForWrite() )
+ break;
- ret = GSocket_Write(m_socket, (const char *)buffer, nbytes);
+ ret = m_socket->Write(buffer, nbytes);
- if (ret > 0)
+ // see comments for similar logic for ret handling in _Read()
+ if ( ret == 0 )
{
- total += ret;
- nbytes -= ret;
- buffer = (const char *)buffer + ret;
+ m_closed = true;
+ break;
}
- }
- }
- else
- {
- if ((m_flags & wxSOCKET_BLOCK) || WaitForWrite())
- {
- ret = GSocket_Write(m_socket, (const char *)buffer, nbytes);
- if (ret > 0)
- total = ret;
+ if ( ret < 0 )
+ {
+ return 0;
+ }
+
+ total += ret;
+ if ( !(m_flags & wxSOCKET_WAITALL) )
+ break;
+
+ nbytes -= ret;
+ if ( !nbytes )
+ break;
+
+ buffer = (const char *)buffer + ret;
}
}
{
wxUint32 total;
bool error;
- int old_flags;
struct
{
unsigned char sig[4];
} msg;
// Mask write events
- m_writing = TRUE;
+ m_writing = true;
- error = TRUE;
+ error = true;
total = 0;
- old_flags = m_flags;
SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL);
msg.sig[0] = (unsigned char) 0xad;
goto exit;
// everything was OK
- error = FALSE;
+ error = false;
exit:
m_error = error;
m_lcount = total;
- m_writing = FALSE;
+ m_writing = false;
return *this;
}
if (nbytes != 0)
Pushback(buffer, nbytes);
- m_error = FALSE;
+ m_error = false;
m_lcount = nbytes;
return *this;
wxSocketBase& wxSocketBase::Discard()
{
- int old_flags;
char *buffer = new char[MAX_DISCARD_SIZE];
wxUint32 ret;
wxUint32 total = 0;
// Mask read events
- m_reading = TRUE;
+ m_reading = true;
- old_flags = m_flags;
SetFlags(wxSOCKET_NOWAIT);
do
delete[] buffer;
m_lcount = total;
- m_error = FALSE;
+ m_error = false;
// Allow read events again
- m_reading = FALSE;
+ m_reading = false;
return *this;
}
wxSocketEventFlags flags)
{
GSocketEventFlags result;
- long timeout;
+ long timeout; // in ms
- // Set this to TRUE to interrupt ongoing waits
- m_interrupt = FALSE;
+ // Set this to true to interrupt ongoing waits
+ m_interrupt = false;
// Check for valid socket
if (!m_socket)
- return FALSE;
+ return false;
// Check for valid timeout value.
if (seconds != -1)
else
timeout = m_timeout * 1000;
+ // check if we are using event loop or not: normally we do in GUI but not in
+ // console applications but this can be overridden
+ const bool has_event_loop = wxEventLoop::GetActive() != NULL;
+
// Wait in an active polling loop.
//
// NOTE: We duplicate some of the code in OnRequest, but this doesn't
// Do this at least once (important if timeout == 0, when
// we are just polling). Also, if just polling, do not yield.
- wxStopWatch chrono;
- bool done = FALSE;
+ const wxMilliClock_t time_limit = wxGetLocalTimeMillis() + timeout;
+ bool done = false;
+ bool valid_result = false;
+
+ if (!has_event_loop)
+ {
+ // This is used to avoid a busy loop on wxBase - having a select
+ // timeout of 50 ms per iteration should be enough.
+ if (timeout > 50)
+ m_socket->SetTimeout(50);
+ else
+ m_socket->SetTimeout(timeout);
+ }
while (!done)
{
- result = GSocket_Select(m_socket, flags | GSOCK_LOST_FLAG);
+ result = m_socket->Select(flags | GSOCK_LOST_FLAG);
// Incoming connection (server) or connection established (client)
if (result & GSOCK_CONNECTION_FLAG)
{
- m_connected = TRUE;
- m_establishing = FALSE;
- return TRUE;
+ m_connected = true;
+ m_establishing = false;
+ valid_result = true;
+ break;
}
// Data available or output buffer ready
if ((result & GSOCK_INPUT_FLAG) || (result & GSOCK_OUTPUT_FLAG))
{
- return TRUE;
+ valid_result = true;
+ break;
}
// Connection lost
if (result & GSOCK_LOST_FLAG)
{
- m_connected = FALSE;
- m_establishing = FALSE;
- return (flags & GSOCK_LOST_FLAG);
+ m_connected = false;
+ m_establishing = false;
+ valid_result = ((flags & GSOCK_LOST_FLAG) != 0);
+ break;
}
// Wait more?
- if ((!timeout) || (chrono.Time() > timeout) || (m_interrupt))
- done = TRUE;
+ long time_left = wxMilliClockToLong(time_limit - wxGetLocalTimeMillis());
+ if ((!timeout) || (time_left <= 0) || (m_interrupt))
+ done = true;
else
- PROCESS_EVENTS();
+ {
+ if (has_event_loop)
+ {
+ PROCESS_EVENTS();
+ }
+ else
+ {
+ // If there's less than 50 ms left, just call select with that timeout.
+ if (time_left < 50)
+ m_socket->SetTimeout(time_left);
+ }
+ }
}
- return FALSE;
+ // Set timeout back to original value (we overwrote it for polling)
+ if (!has_event_loop)
+ m_socket->SetTimeout(m_timeout*1000);
+
+ return valid_result;
}
bool wxSocketBase::Wait(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG |
- GSOCK_OUTPUT_FLAG |
- GSOCK_CONNECTION_FLAG |
- GSOCK_LOST_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG |
+ GSOCK_OUTPUT_FLAG |
+ GSOCK_CONNECTION_FLAG |
+ GSOCK_LOST_FLAG);
}
bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
{
// Check pushback buffer before entering _Wait
if (m_unread)
- return TRUE;
+ return true;
// 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
+ // _Wait because 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);
}
+
bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG);
}
bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
}
// --------------------------------------------------------------------------
GAddress *peer;
if (!m_socket)
- return FALSE;
+ return false;
+
+ peer = m_socket->GetPeer();
+
+ // copying a null address would just trigger an assert anyway
+
+ if (!peer)
+ return false;
- peer = GSocket_GetPeer(m_socket);
addr_man.SetAddress(peer);
GAddress_destroy(peer);
- return TRUE;
+ return true;
}
bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const
{
- GAddress *local;
+ GAddress *local;
- if (!m_socket)
- return FALSE;
+ if (!m_socket)
+ return false;
- local = GSocket_GetLocal(m_socket);
- addr_man.SetAddress(local);
- GAddress_destroy(local);
+ local = m_socket->GetLocal();
+ addr_man.SetAddress(local);
+ GAddress_destroy(local);
- return TRUE;
+ return true;
}
//
void wxSocketBase::SaveState()
{
- wxSocketState *state;
+ wxSocketState *state;
- state = new wxSocketState();
+ state = new wxSocketState();
- state->m_flags = m_flags;
- state->m_notify = m_notify;
- state->m_eventmask = m_eventmask;
- state->m_clientData = m_clientData;
-#if WXWIN_COMPATIBILITY
- state->m_cbk = m_cbk;
- state->m_cdata = m_cdata;
-#endif // WXWIN_COMPATIBILITY
+ state->m_flags = m_flags;
+ state->m_notify = m_notify;
+ state->m_eventmask = m_eventmask;
+ state->m_clientData = m_clientData;
- m_states.Append(state);
+ m_states.Append(state);
}
void wxSocketBase::RestoreState()
{
- wxNode *node;
- wxSocketState *state;
-
- node = m_states.Last();
- if (!node)
- return;
-
- state = (wxSocketState *)node->Data();
-
- m_flags = state->m_flags;
- m_notify = state->m_notify;
- m_eventmask = state->m_eventmask;
- m_clientData = state->m_clientData;
-#if WXWIN_COMPATIBILITY
- m_cbk = state->m_cbk;
- m_cdata = state->m_cdata;
-#endif // WXWIN_COMPATIBILITY
-
- delete node;
- delete state;
+ wxList::compatibility_iterator node;
+ wxSocketState *state;
+
+ node = m_states.GetLast();
+ if (!node)
+ return;
+
+ state = (wxSocketState *)node->GetData();
+
+ m_flags = state->m_flags;
+ m_notify = state->m_notify;
+ m_eventmask = state->m_eventmask;
+ m_clientData = state->m_clientData;
+
+ m_states.Erase(node);
+ delete state;
}
//
void wxSocketBase::SetTimeout(long seconds)
{
- m_timeout = seconds;
+ m_timeout = seconds;
- if (m_socket)
- GSocket_SetTimeout(m_socket, m_timeout * 1000);
+ if (m_socket)
+ m_socket->SetTimeout(m_timeout * 1000);
}
void wxSocketBase::SetFlags(wxSocketFlags flags)
{
- m_flags = flags;
+ m_flags = flags;
}
-// --------------------------------------------------------------------------
-// Callbacks (now obsolete - use events instead)
-// --------------------------------------------------------------------------
-
-#if WXWIN_COMPATIBILITY
-
-wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
-{
- wxSockCbk old_cbk = cbk_;
-
- m_cbk = cbk_;
- return old_cbk;
-}
-
-char *wxSocketBase::CallbackData(char *data)
-{
- char *old_data = m_cdata;
-
- m_cdata = data;
- return old_data;
-}
-
-#endif // WXWIN_COMPATIBILITY
-
// --------------------------------------------------------------------------
// Event handling
// --------------------------------------------------------------------------
// decoupled from wx_socket_callback and thus they suffer from a variety
// of problems. Avoid them where possible and use events instead.
-static void LINKAGEMODE wx_socket_callback(GSocket * WXUNUSED(socket),
- GSocketEvent notification,
- char *cdata)
+extern "C"
+void LINKAGEMODE wx_socket_callback(GSocket * WXUNUSED(socket),
+ GSocketEvent notification,
+ char *cdata)
{
- wxSocketBase *sckobj = (wxSocketBase *)cdata;
+ wxSocketBase *sckobj = (wxSocketBase *)cdata;
- sckobj->OnRequest((wxSocketNotify) notification);
+ sckobj->OnRequest((wxSocketNotify) notification);
}
void wxSocketBase::OnRequest(wxSocketNotify notification)
switch(notification)
{
case wxSOCKET_CONNECTION:
- m_establishing = FALSE;
- m_connected = TRUE;
+ m_establishing = false;
+ m_connected = true;
break;
// If we are in the middle of a R/W operation, do not
// which are no longer valid.
case wxSOCKET_INPUT:
- if (m_reading || !GSocket_Select(m_socket, GSOCK_INPUT_FLAG))
+ if (m_reading || !m_socket->Select(GSOCK_INPUT_FLAG))
return;
break;
case wxSOCKET_OUTPUT:
- if (m_writing || !GSocket_Select(m_socket, GSOCK_OUTPUT_FLAG))
+ if (m_writing || !m_socket->Select(GSOCK_OUTPUT_FLAG))
return;
break;
case wxSOCKET_LOST:
- m_connected = FALSE;
- m_establishing = FALSE;
+ m_connected = false;
+ m_establishing = false;
break;
default:
// Schedule the event
- wxSocketEventFlags flag = -1;
+ wxSocketEventFlags flag = 0;
+ wxUnusedVar(flag);
switch (notification)
{
case GSOCK_INPUT: flag = GSOCK_INPUT_FLAG; break;
case GSOCK_OUTPUT: flag = GSOCK_OUTPUT_FLAG; break;
case GSOCK_CONNECTION: flag = GSOCK_CONNECTION_FLAG; break;
case GSOCK_LOST: flag = GSOCK_LOST_FLAG; break;
+ default:
+ wxLogWarning(_("wxSocket: unknown event!."));
+ return;
}
if (((m_eventmask & flag) == flag) && m_notify)
m_handler->AddPendingEvent(event);
}
-
-#if WXWIN_COMPATIBILITY
- if (m_cbk)
- m_cbk(*this, notification, m_cdata);
-#endif // WXWIN_COMPATIBILITY
}
}
void wxSocketBase::Notify(bool notify)
{
- m_notify = notify;
+ m_notify = notify;
+ if (m_socket)
+ m_socket->Notify(notify);
}
void wxSocketBase::SetNotify(wxSocketEventFlags flags)
{
- m_eventmask = flags;
+ m_eventmask = flags;
}
void wxSocketBase::SetEventHandler(wxEvtHandler& handler, int id)
{
- m_handler = &handler;
- m_id = id;
+ m_handler = &handler;
+ m_id = id;
}
// --------------------------------------------------------------------------
// ==========================================================================
-// wxSocketServer
+// wxSocketServer
// ==========================================================================
// --------------------------------------------------------------------------
// Ctor
// --------------------------------------------------------------------------
-wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
+wxSocketServer::wxSocketServer(const wxSockAddress& addr_man,
wxSocketFlags flags)
: wxSocketBase(flags, wxSOCKET_SERVER)
{
- // Create the socket
- m_socket = GSocket_new();
+ wxLogTrace( wxTRACE_Socket, _T("Opening wxSocketServer") );
- if (!m_socket)
- return;
+ m_socket = GSocket_new();
- // Setup the socket as server
- GSocket_SetLocal(m_socket, addr_man.GetAddress());
- if (GSocket_SetServer(m_socket) != GSOCK_NOERROR)
- {
- GSocket_destroy(m_socket);
- m_socket = NULL;
- return;
- }
+ if (!m_socket)
+ {
+ wxLogTrace( wxTRACE_Socket, _T("*** GSocket_new failed") );
+ return;
+ }
- 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);
+ // Setup the socket as server
+ m_socket->Notify(m_notify);
+ m_socket->SetLocal(addr_man.GetAddress());
+ if (GetFlags() & wxSOCKET_REUSEADDR) {
+ m_socket->SetReusable();
+ }
+ if (GetFlags() & wxSOCKET_BROADCAST) {
+ m_socket->SetBroadcast();
+ }
+ if (GetFlags() & wxSOCKET_NOBIND) {
+ m_socket->DontDoBind();
+ }
+
+ if (m_socket->SetServer() != GSOCK_NOERROR)
+ {
+ delete m_socket;
+ m_socket = NULL;
+
+ wxLogTrace( wxTRACE_Socket, _T("*** GSocket_SetServer failed") );
+ return;
+ }
+
+ m_socket->SetTimeout(m_timeout * 1000);
+ m_socket->SetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char *)this);
+
+ wxLogTrace( wxTRACE_Socket, _T("wxSocketServer on fd %d"), m_socket->m_fd );
}
// --------------------------------------------------------------------------
GSocket *child_socket;
if (!m_socket)
- return FALSE;
+ return false;
- // If wait == FALSE, then the call should be nonblocking.
+ // 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);
+ m_socket->SetNonBlocking(1);
- child_socket = GSocket_WaitConnection(m_socket);
+ child_socket = m_socket->WaitConnection();
if (!wait)
- GSocket_SetNonBlocking(m_socket, FALSE);
+ m_socket->SetNonBlocking(0);
if (!child_socket)
- return FALSE;
+ return false;
sock.m_type = wxSOCKET_BASE;
sock.m_socket = child_socket;
- sock.m_connected = TRUE;
+ sock.m_connected = true;
- GSocket_SetTimeout(sock.m_socket, sock.m_timeout * 1000);
- GSocket_SetCallback(sock.m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ sock.m_socket->SetTimeout(sock.m_timeout * 1000);
+ sock.m_socket->SetCallback(GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
wx_socket_callback, (char *)&sock);
- return TRUE;
+ return true;
}
wxSocketBase *wxSocketServer::Accept(bool wait)
sock->SetFlags(m_flags);
if (!AcceptWith(*sock, wait))
- return NULL;
+ {
+ sock->Destroy();
+ sock = NULL;
+ }
return sock;
}
bool wxSocketServer::WaitForAccept(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG);
+}
+
+bool wxSocketBase::GetOption(int level, int optname, void *optval, int *optlen)
+{
+ wxASSERT_MSG( m_socket, _T("Socket not initialised") );
+
+ if (m_socket->GetSockOpt(level, optname, optval, optlen)
+ != GSOCK_NOERROR)
+ {
+ return false;
+ }
+ return true;
+}
+
+bool wxSocketBase::SetOption(int level, int optname, const void *optval,
+ int optlen)
+{
+ wxASSERT_MSG( m_socket, _T("Socket not initialised") );
+
+ if (m_socket->SetSockOpt(level, optname, optval, optlen)
+ != GSOCK_NOERROR)
+ {
+ return false;
+ }
+ return true;
+}
+
+bool wxSocketBase::SetLocal(const wxIPV4address& local)
+{
+ GAddress* la = local.GetAddress();
+
+ // If the address is valid, save it for use when we call Connect
+ if (la && la->m_addr)
+ {
+ m_localAddress = local;
+
+ return true;
+ }
+
+ return false;
}
// ==========================================================================
wxSocketClient::wxSocketClient(wxSocketFlags flags)
: wxSocketBase(flags, wxSOCKET_CLIENT)
{
+ m_initialRecvBufferSize =
+ m_initialSendBufferSize = -1;
}
wxSocketClient::~wxSocketClient()
// Connect
// --------------------------------------------------------------------------
-bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait)
+bool wxSocketClient::DoConnect(const wxSockAddress& addr_man,
+ const wxSockAddress* local,
+ bool wait)
{
GSocketError err;
{
// Shutdown and destroy the socket
Close();
- GSocket_destroy(m_socket);
+ delete m_socket;
}
m_socket = GSocket_new();
- m_connected = FALSE;
- m_establishing = FALSE;
+ m_connected = false;
+ m_establishing = false;
if (!m_socket)
- return FALSE;
+ return false;
- GSocket_SetTimeout(m_socket, m_timeout * 1000);
- GSocket_SetCallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ m_socket->SetTimeout(m_timeout * 1000);
+ m_socket->SetCallback(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.
+ // 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);
+ m_socket->SetNonBlocking(1);
- GSocket_SetPeer(m_socket, addr_man.GetAddress());
- err = GSocket_Connect(m_socket, GSOCK_STREAMED);
+ // Reuse makes sense for clients too, if we are trying to rebind to the same port
+ if (GetFlags() & wxSOCKET_REUSEADDR)
+ {
+ m_socket->SetReusable();
+ }
+ if (GetFlags() & wxSOCKET_BROADCAST)
+ {
+ m_socket->SetBroadcast();
+ }
+ if (GetFlags() & wxSOCKET_NOBIND)
+ {
+ m_socket->DontDoBind();
+ }
+
+ // If no local address was passed and one has been set, use the one that was Set
+ if (!local && m_localAddress.GetAddress())
+ {
+ local = &m_localAddress;
+ }
+
+ // Bind to the local IP address and port, when provided
+ if (local)
+ {
+ GAddress* la = local->GetAddress();
+
+ if (la && la->m_addr)
+ m_socket->SetLocal(la);
+ }
+
+#if defined(__WXMSW__) || defined(__WXGTK__)
+ m_socket->SetInitialSocketBuffers(m_initialRecvBufferSize, m_initialSendBufferSize);
+#endif
+
+ m_socket->SetPeer(addr_man.GetAddress());
+ err = m_socket->Connect(GSOCK_STREAMED);
+
+ //this will register for callbacks - must be called after m_socket->m_fd was initialized
+ m_socket->Notify(m_notify);
if (!wait)
- GSocket_SetNonBlocking(m_socket, FALSE);
+ m_socket->SetNonBlocking(0);
if (err != GSOCK_NOERROR)
{
if (err == GSOCK_WOULDBLOCK)
- m_establishing = TRUE;
+ m_establishing = true;
- return FALSE;
+ return false;
}
- m_connected = TRUE;
- return TRUE;
+ m_connected = true;
+ return true;
+}
+
+bool wxSocketClient::Connect(const wxSockAddress& addr_man, bool wait)
+{
+ return DoConnect(addr_man, NULL, wait);
+}
+
+bool wxSocketClient::Connect(const wxSockAddress& addr_man,
+ const wxSockAddress& local,
+ bool wait)
+{
+ return DoConnect(addr_man, &local, wait);
}
bool wxSocketClient::WaitOnConnect(long seconds, long milliseconds)
{
- if (m_connected) // Already connected
- return TRUE;
+ if (m_connected) // Already connected
+ return true;
- if (!m_establishing || !m_socket) // No connection in progress
- return FALSE;
+ if (!m_establishing || !m_socket) // No connection in progress
+ return false;
- return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG |
- GSOCK_LOST_FLAG);
+ return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG |
+ GSOCK_LOST_FLAG);
}
// ==========================================================================
/* NOTE: experimental stuff - might change */
-wxDatagramSocket::wxDatagramSocket( wxSockAddress& addr,
+wxDatagramSocket::wxDatagramSocket( const wxSockAddress& addr,
wxSocketFlags flags )
: wxSocketBase( flags, wxSOCKET_DATAGRAM )
{
- // Create the socket
- m_socket = GSocket_new();
-
- if(!m_socket)
- return;
+ // Create the socket
+ m_socket = GSocket_new();
- // Setup the socket as non connection oriented
- GSocket_SetLocal(m_socket, addr.GetAddress());
- if( GSocket_SetNonOriented(m_socket) != GSOCK_NOERROR )
- {
- GSocket_destroy(m_socket);
- m_socket = NULL;
- return;
- }
-
- // 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 );
+ if (!m_socket)
+ {
+ wxFAIL_MSG( _T("datagram socket not new'd") );
+ return;
+ }
+ m_socket->Notify(m_notify);
+ // Setup the socket as non connection oriented
+ m_socket->SetLocal(addr.GetAddress());
+ if (flags & wxSOCKET_REUSEADDR)
+ {
+ m_socket->SetReusable();
+ }
+ if (GetFlags() & wxSOCKET_BROADCAST)
+ {
+ m_socket->SetBroadcast();
+ }
+ if (GetFlags() & wxSOCKET_NOBIND)
+ {
+ m_socket->DontDoBind();
+ }
+ if ( m_socket->SetNonOriented() != GSOCK_NOERROR )
+ {
+ delete m_socket;
+ m_socket = NULL;
+ return;
+ }
+ // Initialize all stuff
+ m_connected = false;
+ m_establishing = false;
+ m_socket->SetTimeout( m_timeout );
+ m_socket->SetCallback( GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG,
+ wx_socket_callback, (char*)this );
}
wxDatagramSocket& wxDatagramSocket::RecvFrom( wxSockAddress& addr,
return (*this);
}
-wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr,
+wxDatagramSocket& wxDatagramSocket::SendTo( const wxSockAddress& addr,
const void* buf,
wxUint32 nBytes )
{
- GSocket_SetPeer(m_socket, addr.GetAddress());
+ wxASSERT_MSG( m_socket, _T("Socket not initialised") );
+
+ m_socket->SetPeer(addr.GetAddress());
Write(buf, nBytes);
return (*this);
}
-// ==========================================================================
-// wxSocketEvent
-// ==========================================================================
-
-wxSocketEvent::wxSocketEvent(int id) : wxEvent(id)
-{
- SetEventType( (wxEventType)wxEVT_SOCKET );
-}
-
-void wxSocketEvent::CopyObject(wxObject& object_dest) const
-{
- wxSocketEvent *event = (wxSocketEvent *)&object_dest;
-
- wxEvent::CopyObject(object_dest);
-
- event->m_event = m_event;
- event->m_clientData = m_clientData;
-}
-
// ==========================================================================
// wxSocketModule
// ==========================================================================
-class WXDLLEXPORT wxSocketModule : public wxModule
+class wxSocketModule : public wxModule
{
- DECLARE_DYNAMIC_CLASS(wxSocketModule)
-
public:
- bool OnInit() { return GSocket_Init(); }
- void OnExit() { GSocket_Cleanup(); }
+ virtual bool OnInit()
+ {
+ // wxSocketBase will call GSocket_Init() itself when/if needed
+ return true;
+ }
+
+ virtual void OnExit()
+ {
+ if ( wxSocketBase::IsInitialized() )
+ wxSocketBase::Shutdown();
+ }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxSocketModule)
};
IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
projects / wxWidgets.git / blobdiff