X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/30bbf68d3aa0ad475b25c69e04963ec700e589b6..4e2a3778386d60356dab319afa2d3f987f86d6b2:/src/common/socket.cpp diff --git a/src/common/socket.cpp b/src/common/socket.cpp index 05f337bfc3..a53ae44d63 100644 --- a/src/common/socket.cpp +++ b/src/common/socket.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 licence +// License: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ========================================================================== @@ -17,26 +17,30 @@ #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_SOCKETS -#include "wx/app.h" -#include "wx/apptrait.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" +#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/datetime.h" +#include "wx/stopwatch.h" +#include "wx/thread.h" +#include "wx/evtloop.h" // DLL options compatibility check: #include "wx/build.h" @@ -98,6 +102,50 @@ public: 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 // ========================================================================== @@ -119,31 +167,6 @@ 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. - - 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(), - 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--; @@ -158,7 +181,7 @@ bool wxSocketBase::Initialize() void wxSocketBase::Shutdown() { // we should be initialized - wxASSERT_MSG( m_countInit, _T("extra call to Shutdown()") ); + wxASSERT_MSG( m_countInit > 0, _T("extra call to Shutdown()") ); if ( --m_countInit == 0 ) { GSocket_Cleanup(); @@ -327,11 +350,9 @@ wxUint32 wxSocketBase::_Read(void* buffer, wxUint32 nbytes) // Return now in one of the following cases: // - the socket is invalid, - // - we got all the data, - // - we got *some* data and we are not using wxSOCKET_WAITALL. + // - we got all the data if ( !m_socket || - !nbytes || - ((total != 0) && !(m_flags & wxSOCKET_WAITALL)) ) + !nbytes ) return total; // Possible combinations (they are checked in this order) @@ -679,7 +700,7 @@ bool wxSocketBase::_Wait(long seconds, wxSocketEventFlags flags) { GSocketEventFlags result; - long timeout; + long timeout; // in ms // Set this to true to interrupt ongoing waits m_interrupt = false; @@ -694,7 +715,9 @@ bool wxSocketBase::_Wait(long seconds, else timeout = m_timeout * 1000; - bool has_event_loop = wxTheApp ? (wxTheApp->GetTraits() ? true : false) : false; + // 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. // @@ -706,12 +729,11 @@ bool wxSocketBase::_Wait(long seconds, // Do this at least once (important if timeout == 0, when // we are just polling). Also, if just polling, do not yield. - wxDateTime current_time = wxDateTime::UNow(); - unsigned int time_limit = (current_time.GetTicks() * 1000) + current_time.GetMillisecond() + timeout; + const wxMilliClock_t time_limit = wxGetLocalTimeMillis() + timeout; bool done = false; bool valid_result = false; - if (!has_event_loop) + 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. @@ -751,17 +773,16 @@ bool wxSocketBase::_Wait(long seconds, } // Wait more? - current_time = wxDateTime::UNow(); - int time_left = time_limit - ((current_time.GetTicks() * 1000) + current_time.GetMillisecond()); + long time_left = wxMilliClockToLong(time_limit - wxGetLocalTimeMillis()); if ((!timeout) || (time_left <= 0) || (m_interrupt)) done = true; else { - if (has_event_loop) + if (has_event_loop) { PROCESS_EVENTS(); } - else + else { // If there's less than 50 ms left, just call select with that timeout. if (time_left < 50) @@ -779,10 +800,10 @@ bool wxSocketBase::_Wait(long seconds, 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) @@ -803,12 +824,12 @@ bool wxSocketBase::WaitForRead(long seconds, long milliseconds) 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); } // -------------------------------------------------------------------------- @@ -841,16 +862,16 @@ bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const { - GAddress *local; + GAddress *local; - if (!m_socket) - return false; + if (!m_socket) + return false; - local = m_socket->GetLocal(); - addr_man.SetAddress(local); - GAddress_destroy(local); + local = m_socket->GetLocal(); + addr_man.SetAddress(local); + GAddress_destroy(local); - return true; + return true; } // @@ -859,36 +880,36 @@ bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const 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; + 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() { - wxList::compatibility_iterator node; - wxSocketState *state; + wxList::compatibility_iterator node; + wxSocketState *state; - node = m_states.GetLast(); - if (!node) - return; + node = m_states.GetLast(); + if (!node) + return; - state = (wxSocketState *)node->GetData(); + 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_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; + m_states.Erase(node); + delete state; } // @@ -897,15 +918,15 @@ void wxSocketBase::RestoreState() void wxSocketBase::SetTimeout(long seconds) { - m_timeout = seconds; + m_timeout = seconds; - if (m_socket) - m_socket->SetTimeout(m_timeout * 1000); + if (m_socket) + m_socket->SetTimeout(m_timeout * 1000); } void wxSocketBase::SetFlags(wxSocketFlags flags) { - m_flags = flags; + m_flags = flags; } @@ -936,9 +957,9 @@ 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) @@ -1009,18 +1030,20 @@ void wxSocketBase::OnRequest(wxSocketNotify notification) 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; } // -------------------------------------------------------------------------- @@ -1097,13 +1120,19 @@ wxSocketServer::wxSocketServer(const wxSockAddress& addr_man, return; } - // Setup the socket as server - + // 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) { @@ -1118,6 +1147,8 @@ wxSocketServer::wxSocketServer(const wxSockAddress& addr_man, 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 ); } // -------------------------------------------------------------------------- @@ -1175,7 +1206,7 @@ wxSocketBase *wxSocketServer::Accept(bool wait) 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) @@ -1194,7 +1225,7 @@ 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) { @@ -1229,6 +1260,8 @@ bool wxSocketBase::SetLocal(wxIPV4address& local) wxSocketClient::wxSocketClient(wxSocketFlags flags) : wxSocketBase(flags, wxSOCKET_CLIENT) { + m_initialRecvBufferSize = + m_initialSendBufferSize = -1; } wxSocketClient::~wxSocketClient() @@ -1274,6 +1307,14 @@ bool wxSocketClient::DoConnect(wxSockAddress& addr_man, wxSockAddress* local, bo { 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()) @@ -1290,9 +1331,16 @@ bool wxSocketClient::DoConnect(wxSockAddress& addr_man, wxSockAddress* local, bo 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) m_socket->SetNonBlocking(0); @@ -1310,24 +1358,24 @@ bool wxSocketClient::DoConnect(wxSockAddress& addr_man, wxSockAddress* local, bo bool wxSocketClient::Connect(wxSockAddress& addr_man, bool wait) { - return (DoConnect(addr_man, NULL, wait)); + return (DoConnect(addr_man, NULL, wait)); } bool wxSocketClient::Connect(wxSockAddress& addr_man, wxSockAddress& local, bool wait) { - return (DoConnect(addr_man, &local, 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); } // ========================================================================== @@ -1340,31 +1388,43 @@ wxDatagramSocket::wxDatagramSocket( const wxSockAddress& addr, wxSocketFlags flags ) : wxSocketBase( flags, wxSOCKET_DATAGRAM ) { - // Create the socket - m_socket = GSocket_new(); - - if(!m_socket) - { - wxASSERT_MSG( 0, _T("datagram socket not new'd") ); - return; - } - // Setup the socket as non connection oriented - m_socket->SetLocal(addr.GetAddress()); - if( m_socket->SetNonOriented() != GSOCK_NOERROR ) - { - delete m_socket; - m_socket = NULL; - return; - } + // Create the socket + m_socket = GSocket_new(); - // 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 ); + 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, @@ -1381,7 +1441,7 @@ wxDatagramSocket& wxDatagramSocket::SendTo( const wxSockAddress& addr, wxUint32 nBytes ) { wxASSERT_MSG( m_socket, _T("Socket not initialised") ); - + m_socket->SetPeer(addr.GetAddress()); Write(buf, nBytes); return (*this); @@ -1414,5 +1474,3 @@ IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule) #endif // wxUSE_SOCKETS - -// vi:sts=4:sw=4:et