X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/163f315474dbed303b55fa7bf1d98651741164ec..b6a20a20d010d643e52914f51aa0700df0da925f:/src/common/socket.cpp diff --git a/src/common/socket.cpp b/src/common/socket.cpp index 003bd9dbcf..6bac25899d 100644 --- a/src/common/socket.cpp +++ b/src/common/socket.cpp @@ -6,14 +6,14 @@ // Copyright: (C) 1999-1997, Guilhem Lavaux // (C) 2000-1999, Guillermo Rodriguez Garcia // RCS_ID: $Id$ -// License: see wxWindows license +// License: see wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ========================================================================== // Declarations // ========================================================================== -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "socket.h" #endif @@ -27,6 +27,7 @@ #if wxUSE_SOCKETS #include "wx/app.h" +#include "wx/apptrait.h" #include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" @@ -37,13 +38,13 @@ #include "wx/intl.h" #include "wx/event.h" -#if wxUSE_GUI - #include "wx/gdicmn.h" // for wxPendingDelete -#endif // wxUSE_GUI - #include "wx/sckaddr.h" #include "wx/socket.h" +// DLL options compatibility check: +#include "wx/build.h" +WX_CHECK_BUILD_OPTIONS("wxNet") + // -------------------------------------------------------------------------- // macros and constants // -------------------------------------------------------------------------- @@ -51,30 +52,26 @@ // discard buffer #define MAX_DISCARD_SIZE (10 * 1024) -// what to do within waits: in wxBase we don't do anything as we don't have -// the event loop anyhow (for now). In GUI apps 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 wxWindows) 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_GUI - #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 -#else // !wxUSE_GUI - #define PROCESS_EVENTS() -#endif // wxUSE_GUI/!wxUSE_GUI +// 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 @@ -97,19 +94,75 @@ public: 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) }; // ========================================================================== // 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++ ) + { + /* + 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. + */ + wxASSERT_MSG( wxThread::IsMain(), + wxT("Call wxSocketBase::Initialize() from the main thread first!")); + + wxAppTraits *traits = wxAppConsole::GetInstance() ? + wxAppConsole::GetInstance()->GetTraits() : NULL; + GSocketGUIFunctionsTable *functions = + traits ? traits->GetSocketGUIFunctionsTable() : NULL; + GSocket_SetGUIFunctions(functions); + + if ( !GSocket_Init() ) + { + m_countInit--; + + return FALSE; + } + } + + return TRUE; +} + +void wxSocketBase::Shutdown() +{ + // we should be initialized + wxASSERT_MSG( m_countInit, _T("extra call to Shutdown()") ); + if ( !--m_countInit ) + { + GSocket_Cleanup(); + } +} + // -------------------------------------------------------------------------- // Ctor and dtor // -------------------------------------------------------------------------- @@ -141,10 +194,13 @@ void wxSocketBase::Init() m_clientData = NULL; 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() @@ -164,9 +220,9 @@ 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) @@ -174,7 +230,7 @@ wxSocketBase::~wxSocketBase() // Destroy the GSocket object if (m_socket) - GSocket_destroy(m_socket); + delete m_socket; // Free the pushback buffer if (m_unread) @@ -194,12 +250,18 @@ bool wxSocketBase::Destroy() // Supress events from now on 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; } @@ -221,11 +283,11 @@ bool wxSocketBase::Close() 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; @@ -255,7 +317,6 @@ wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes) wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes) { int total; - int ret = 1; // Try the pushback buffer first total = GetPushback(buffer, nbytes, FALSE); @@ -277,11 +338,12 @@ wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes) // wxSOCKET_BLOCK // wxSOCKET_NONE // + int ret; if (m_flags & wxSOCKET_NOWAIT) { - GSocket_SetNonBlocking(m_socket, 1); - ret = GSocket_Read(m_socket, (char *)buffer, nbytes); - GSocket_SetNonBlocking(m_socket, 0); + m_socket->SetNonBlocking(1); + ret = m_socket->Read((char *)buffer, nbytes); + m_socket->SetNonBlocking(0); if (ret > 0) total += ret; @@ -295,7 +357,7 @@ wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes) if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForRead() ) break; - ret = GSocket_Read(m_socket, (char *)buffer, nbytes); + ret = m_socket->Read((char *)buffer, nbytes); if (ret > 0) { @@ -456,7 +518,6 @@ wxSocketBase& wxSocketBase::Write(const void *buffer, wxUint32 nbytes) wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes) { wxUint32 total = 0; - int ret = 1; // If the socket is invalid or parameters are ill, return immediately if (!m_socket || !buffer || !nbytes) @@ -468,11 +529,12 @@ wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes) // wxSOCKET_BLOCK // wxSOCKET_NONE // + int ret; if (m_flags & wxSOCKET_NOWAIT) { - GSocket_SetNonBlocking(m_socket, 1); - ret = GSocket_Write(m_socket, (const char *)buffer, nbytes); - GSocket_SetNonBlocking(m_socket, 0); + m_socket->SetNonBlocking(1); + ret = m_socket->Write((const char *)buffer, nbytes); + m_socket->SetNonBlocking(0); if (ret > 0) total = ret; @@ -486,7 +548,7 @@ wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes) if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForWrite() ) break; - ret = GSocket_Write(m_socket, (const char *)buffer, nbytes); + ret = m_socket->Write((const char *)buffer, nbytes); if (ret > 0) { @@ -510,7 +572,6 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes) { wxUint32 total; bool error; - int old_flags; struct { unsigned char sig[4]; @@ -522,7 +583,6 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes) error = TRUE; total = 0; - old_flags = m_flags; SetFlags((m_flags & wxSOCKET_BLOCK) | wxSOCKET_WAITALL); msg.sig[0] = (unsigned char) 0xad; @@ -576,7 +636,6 @@ wxSocketBase& wxSocketBase::Unread(const void *buffer, wxUint32 nbytes) wxSocketBase& wxSocketBase::Discard() { - int old_flags; char *buffer = new char[MAX_DISCARD_SIZE]; wxUint32 ret; wxUint32 total = 0; @@ -584,7 +643,6 @@ wxSocketBase& wxSocketBase::Discard() // Mask read events m_reading = TRUE; - old_flags = m_flags; SetFlags(wxSOCKET_NOWAIT); do @@ -634,6 +692,10 @@ bool wxSocketBase::_Wait(long seconds, else timeout = m_timeout * 1000; +#if !defined(wxUSE_GUI) || !wxUSE_GUI + m_socket->SetTimeout(timeout); +#endif + // Wait in an active polling loop. // // NOTE: We duplicate some of the code in OnRequest, but this doesn't @@ -649,7 +711,7 @@ bool wxSocketBase::_Wait(long seconds, 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) @@ -706,6 +768,7 @@ bool wxSocketBase::WaitForRead(long seconds, long milliseconds) GSOCK_LOST_FLAG); } + bool wxSocketBase::WaitForWrite(long seconds, long milliseconds) { return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG); @@ -731,7 +794,13 @@ bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const if (!m_socket) return FALSE; - peer = GSocket_GetPeer(m_socket); + peer = m_socket->GetPeer(); + + // copying a null address would just trigger an assert anyway + + if (!peer) + return FALSE; + addr_man.SetAddress(peer); GAddress_destroy(peer); @@ -745,7 +814,7 @@ bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const if (!m_socket) return FALSE; - local = GSocket_GetLocal(m_socket); + local = m_socket->GetLocal(); addr_man.SetAddress(local); GAddress_destroy(local); @@ -766,35 +835,27 @@ void wxSocketBase::SaveState() 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 m_states.Append(state); } void wxSocketBase::RestoreState() { - wxNode *node; + wxList::compatibility_iterator node; wxSocketState *state; - node = m_states.Last(); + node = m_states.GetLast(); if (!node) return; - state = (wxSocketState *)node->Data(); + state = (wxSocketState *)node->GetData(); 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; + m_states.Erase(node); delete state; } @@ -807,7 +868,7 @@ void wxSocketBase::SetTimeout(long seconds) m_timeout = seconds; if (m_socket) - GSocket_SetTimeout(m_socket, m_timeout * 1000); + m_socket->SetTimeout(m_timeout * 1000); } void wxSocketBase::SetFlags(wxSocketFlags flags) @@ -816,30 +877,6 @@ void wxSocketBase::SetFlags(wxSocketFlags 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 // -------------------------------------------------------------------------- @@ -862,9 +899,10 @@ char *wxSocketBase::CallbackData(char *data) // 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; @@ -890,12 +928,12 @@ void wxSocketBase::OnRequest(wxSocketNotify notification) // 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; @@ -911,6 +949,7 @@ void wxSocketBase::OnRequest(wxSocketNotify notification) // Schedule the event wxSocketEventFlags flag = 0; + wxUnusedVar(flag); switch (notification) { case GSOCK_INPUT: flag = GSOCK_INPUT_FLAG; break; @@ -933,11 +972,6 @@ void wxSocketBase::OnRequest(wxSocketNotify notification) m_handler->AddPendingEvent(event); } - -#if WXWIN_COMPATIBILITY - if (m_cbk) - m_cbk(*this, notification, m_cdata); -#endif // WXWIN_COMPATIBILITY } } @@ -1021,26 +1055,37 @@ wxSocketServer::wxSocketServer(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->SetLocal(addr_man.GetAddress()); + + if (GetFlags() & wxSOCKET_REUSEADDR) { + m_socket->SetReusable(); + } + 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); } // -------------------------------------------------------------------------- @@ -1059,12 +1104,12 @@ bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait) // again. if (!wait) - GSocket_SetNonBlocking(m_socket, 1); + m_socket->SetNonBlocking(1); - child_socket = GSocket_WaitConnection(m_socket); + child_socket = m_socket->WaitConnection(); if (!wait) - GSocket_SetNonBlocking(m_socket, 0); + m_socket->SetNonBlocking(0); if (!child_socket) return FALSE; @@ -1073,8 +1118,8 @@ bool wxSocketServer::AcceptWith(wxSocketBase& sock, bool wait) 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 | + 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); @@ -1101,6 +1146,27 @@ bool wxSocketServer::WaitForAccept(long seconds, long milliseconds) return _Wait(seconds, milliseconds, GSOCK_CONNECTION_FLAG); } +bool wxSocketBase::GetOption(int level, int optname, void *optval, int *optlen) +{ + 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) +{ + if (m_socket->SetSockOpt(level, optname, optval, optlen) + != GSOCK_NOERROR) + { + return FALSE; + } + return TRUE; +} + // ========================================================================== // wxSocketClient // ========================================================================== @@ -1130,7 +1196,7 @@ bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) { // Shutdown and destroy the socket Close(); - GSocket_destroy(m_socket); + delete m_socket; } m_socket = GSocket_new(); @@ -1140,8 +1206,8 @@ bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) if (!m_socket) 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); @@ -1150,13 +1216,13 @@ bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) // again. if (!wait) - GSocket_SetNonBlocking(m_socket, 1); + m_socket->SetNonBlocking(1); - GSocket_SetPeer(m_socket, addr_man.GetAddress()); - err = GSocket_Connect(m_socket, GSOCK_STREAMED); + m_socket->SetPeer(addr_man.GetAddress()); + err = m_socket->Connect(GSOCK_STREAMED); if (!wait) - GSocket_SetNonBlocking(m_socket, 0); + m_socket->SetNonBlocking(0); if (err != GSOCK_NOERROR) { @@ -1196,13 +1262,15 @@ wxDatagramSocket::wxDatagramSocket( wxSockAddress& addr, m_socket = GSocket_new(); if(!m_socket) + { + wxASSERT_MSG( 0, _T("datagram socket not new'd") ); return; - + } // Setup the socket as non connection oriented - GSocket_SetLocal(m_socket, addr.GetAddress()); - if( GSocket_SetNonOriented(m_socket) != GSOCK_NOERROR ) + m_socket->SetLocal(addr.GetAddress()); + if( m_socket->SetNonOriented() != GSOCK_NOERROR ) { - GSocket_destroy(m_socket); + delete m_socket; m_socket = NULL; return; } @@ -1210,8 +1278,8 @@ wxDatagramSocket::wxDatagramSocket( wxSockAddress& addr, // 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 | + 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 ); @@ -1230,7 +1298,7 @@ wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr, const void* buf, wxUint32 nBytes ) { - GSocket_SetPeer(m_socket, addr.GetAddress()); + m_socket->SetPeer(addr.GetAddress()); Write(buf, nBytes); return (*this); } @@ -1239,16 +1307,28 @@ wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr, // wxSocketModule // ========================================================================== -class WXDLLEXPORT wxSocketModule : public wxModule +class wxSocketModule : public wxModule { - DECLARE_DYNAMIC_CLASS(wxSocketModule) - public: - bool OnInit() { return GSocket_Init() != 0; } - 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) #endif // wxUSE_SOCKETS + +// vi:sts=4:sw=4:et