fix building with WXWIN_COMPATIBILITY_2_8 == 0

[wxWidgets.git] / src / common / sckipc.cpp

diff --git a/src/common/sckipc.cpp b/src/common/sckipc.cpp
index 587268bda691cae461529cdfeb913ba7c7daeb26..ea1de8eb8ee3b92892b9c8c574d2dba865f61c17 100644 (file)
--- a/src/common/sckipc.cpp
+++ b/src/common/sckipc.cpp
@@ -8,7 +8,6 @@
 //              Vadim Zeitlin (added support for Unix sockets) Apr 2002
 //                            (use buffering, many fixes/cleanup) Oct 2008
 // Created:     1993
 //              Vadim Zeitlin (added support for Unix sockets) Apr 2002
 //                            (use buffering, many fixes/cleanup) Oct 2008
 // Created:     1993

-// RCS-ID:      $Id$

 // Copyright:   (c) Julian Smart 1993
 //              (c) Guilhem Lavaux 1997, 1998
 //              (c) 2000 Guillermo Rodriguez <guille@iies.es>
 // Copyright:   (c) Julian Smart 1993
 //              (c) Guilhem Lavaux 1997, 1998
 //              (c) 2000 Guillermo Rodriguez <guille@iies.es>


@@ -92,7 +91,7 @@ GetAddressFromName(const wxString& serverName,
 #if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
     // under Unix, if the server name looks like a path, create a AF_UNIX
     // socket instead of AF_INET one
 #if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
     // under Unix, if the server name looks like a path, create a AF_UNIX
     // socket instead of AF_INET one

-    if ( serverName.Find(_T('/')) != wxNOT_FOUND )
+    if ( serverName.Find(wxT('/')) != wxNOT_FOUND )

     {
         wxUNIXaddress *addr = new wxUNIXaddress;
         addr->Filename(serverName);
     {
         wxUNIXaddress *addr = new wxUNIXaddress;
         addr->Filename(serverName);


@@ -119,13 +118,16 @@ GetAddressFromName(const wxString& serverName,
 class wxTCPEventHandler : public wxEvtHandler
 {
 public:
 class wxTCPEventHandler : public wxEvtHandler
 {
 public:

-    wxTCPEventHandler() : wxEvtHandler() {}
+    wxTCPEventHandler() : wxEvtHandler() { }

 
     void Client_OnRequest(wxSocketEvent& event);
     void Server_OnRequest(wxSocketEvent& event);
 
 
     void Client_OnRequest(wxSocketEvent& event);
     void Server_OnRequest(wxSocketEvent& event);
 

+private:
+    void HandleDisconnect(wxTCPConnection *connection);
+

     DECLARE_EVENT_TABLE()
     DECLARE_EVENT_TABLE()

-    DECLARE_NO_COPY_CLASS(wxTCPEventHandler)
+    wxDECLARE_NO_COPY_CLASS(wxTCPEventHandler);

 };
 
 enum
 };
 
 enum


@@ -134,7 +136,38 @@ enum
     _SERVER_ONREQUEST_ID
 };
 
     _SERVER_ONREQUEST_ID
 };
 

-static wxTCPEventHandler *gs_handler = NULL;
+// --------------------------------------------------------------------------
+// wxTCPEventHandlerModule (private class)
+// --------------------------------------------------------------------------
+
+class wxTCPEventHandlerModule : public wxModule
+{
+public:
+    wxTCPEventHandlerModule() : wxModule() { }
+
+    // get the global wxTCPEventHandler creating it if necessary
+    static wxTCPEventHandler& GetHandler()
+    {
+        if ( !ms_handler )
+            ms_handler = new wxTCPEventHandler;
+
+        return *ms_handler;
+    }
+
+    // as ms_handler is initialized on demand, don't do anything in OnInit()
+    virtual bool OnInit() { return true; }
+    virtual void OnExit() { wxDELETE(ms_handler); }
+
+private:
+    static wxTCPEventHandler *ms_handler;
+
+    DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
+    wxDECLARE_NO_COPY_CLASS(wxTCPEventHandlerModule);
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxTCPEventHandlerModule, wxModule)
+
+wxTCPEventHandler *wxTCPEventHandlerModule::ms_handler = NULL;

 
 // --------------------------------------------------------------------------
 // wxIPCSocketStreams
 
 // --------------------------------------------------------------------------
 // wxIPCSocketStreams


@@ -152,11 +185,11 @@ public:
     // ctor initializes all the streams on top of the given socket
     //
     // note that we use a bigger than default buffer size which matches the
     // ctor initializes all the streams on top of the given socket
     //
     // note that we use a bigger than default buffer size which matches the

-    // typical Ethernet MTU
+    // typical Ethernet MTU (minus TCP header overhead)

     wxIPCSocketStreams(wxSocketBase& sock)
         : m_socketStream(sock),
 #ifdef USE_BUFFER
     wxIPCSocketStreams(wxSocketBase& sock)
         : m_socketStream(sock),
 #ifdef USE_BUFFER

-          m_bufferedOut(m_socketStream, 1500),
+          m_bufferedOut(m_socketStream, 1448),

 #else
           m_bufferedOut(m_socketStream),
 #endif
 #else
           m_bufferedOut(m_socketStream),
 #endif


@@ -250,7 +283,7 @@ private:
     wxDataInputStream  m_dataIn;
     wxDataOutputStream m_dataOut;
 
     wxDataInputStream  m_dataIn;
     wxDataOutputStream m_dataOut;
 

-    DECLARE_NO_COPY_CLASS(wxIPCSocketStreams)
+    wxDECLARE_NO_COPY_CLASS(wxIPCSocketStreams);

 };
 
 namespace
 };
 
 namespace


@@ -307,7 +340,7 @@ public:
 private:
     wxIPCSocketStreams& m_streams;
 
 private:
     wxIPCSocketStreams& m_streams;
 

-    DECLARE_NO_COPY_CLASS(IPCOutput)
+    wxDECLARE_NO_COPY_CLASS(IPCOutput);

 };
 
 } // anonymous namespace
 };
 
 } // anonymous namespace


@@ -365,12 +398,13 @@ wxConnectionBase *wxTCPClient::MakeConnection(const wxString& host,
 
             if (connection)
             {
 
             if (connection)
             {

-                if (connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+                if (wxDynamicCast(connection, wxTCPConnection))

                 {
                     connection->m_topic = topic;
                     connection->m_sock  = client;
                     connection->m_streams = streams;
                 {
                     connection->m_topic = topic;
                     connection->m_sock  = client;
                     connection->m_streams = streams;

-                    client->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
+                    client->SetEventHandler(wxTCPEventHandlerModule::GetHandler(),
+                                            _CLIENT_ONREQUEST_ID);

                     client->SetClientData(connection);
                     client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
                     client->Notify(true);
                     client->SetClientData(connection);
                     client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
                     client->Notify(true);


@@ -463,7 +497,7 @@ bool wxTCPServer::Create(const wxString& serverName)
 
     delete addr;
 
 
     delete addr;
 

-    if (!m_server->Ok())
+    if (!m_server->IsOk())

     {
         m_server->Destroy();
         m_server = NULL;
     {
         m_server->Destroy();
         m_server = NULL;


@@ -471,7 +505,8 @@ bool wxTCPServer::Create(const wxString& serverName)
         return false;
     }
 
         return false;
     }
 

-    m_server->SetEventHandler(*gs_handler, _SERVER_ONREQUEST_ID);
+    m_server->SetEventHandler(wxTCPEventHandlerModule::GetHandler(),
+                              _SERVER_ONREQUEST_ID);

     m_server->SetClientData(this);
     m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);
     m_server->Notify(true);
     m_server->SetClientData(this);
     m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);
     m_server->Notify(true);


@@ -492,7 +527,7 @@ wxTCPServer::~wxTCPServer()
     {
         if ( remove(m_filename.fn_str()) != 0 )
         {
     {
         if ( remove(m_filename.fn_str()) != 0 )
         {

-            wxLogDebug(_T("Stale AF_UNIX file '%s' left."), m_filename.c_str());
+            wxLogDebug(wxT("Stale AF_UNIX file '%s' left."), m_filename.c_str());

         }
     }
 #endif // __UNIX_LIKE__
         }
     }
 #endif // __UNIX_LIKE__


@@ -653,25 +688,38 @@ BEGIN_EVENT_TABLE(wxTCPEventHandler, wxEvtHandler)
     EVT_SOCKET(_SERVER_ONREQUEST_ID, wxTCPEventHandler::Server_OnRequest)
 END_EVENT_TABLE()
 
     EVT_SOCKET(_SERVER_ONREQUEST_ID, wxTCPEventHandler::Server_OnRequest)
 END_EVENT_TABLE()
 

+void wxTCPEventHandler::HandleDisconnect(wxTCPConnection *connection)
+{
+    // connection was closed (either gracefully or not): destroy everything
+    connection->m_sock->Notify(false);
+    connection->m_sock->Close();
+
+    // don't leave references to this soon-to-be-dangling connection in the
+    // socket as it won't be destroyed immediately as its destruction will be
+    // delayed in case there are more events pending for it
+    connection->m_sock->SetClientData(NULL);
+
+    connection->SetConnected(false);
+    connection->OnDisconnect();
+}
+

 void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 {
     wxSocketBase *sock = event.GetSocket();
     if (!sock)
 void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 {
     wxSocketBase *sock = event.GetSocket();
     if (!sock)

-        return ;
+        return;

 
     wxSocketNotify evt = event.GetSocketEvent();
 
     wxSocketNotify evt = event.GetSocketEvent();

-    wxTCPConnection *connection = (wxTCPConnection *)(sock->GetClientData());
+    wxTCPConnection * const
+        connection = static_cast<wxTCPConnection *>(sock->GetClientData());

 
     // This socket is being deleted; skip this event
     if (!connection)
         return;
 
 
     // This socket is being deleted; skip this event
     if (!connection)
         return;
 

-    // We lost the connection: destroy everything
-    if (evt == wxSOCKET_LOST)
+    if ( evt == wxSOCKET_LOST )

     {
     {

-        sock->Notify(false);
-        sock->Close();
-        connection->OnDisconnect();
+        HandleDisconnect(connection);

         return;
     }
 
         return;
     }
 


@@ -792,10 +840,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
             break;
 
         case IPC_DISCONNECT:
             break;
 
         case IPC_DISCONNECT:

-            sock->Notify(false);
-            sock->Close();
-            connection->SetConnected(false);
-            connection->OnDisconnect();
+            HandleDisconnect(connection);

             break;
 
         case IPC_FAIL:
             break;
 
         case IPC_FAIL:


@@ -817,7 +862,7 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
 {
     wxSocketServer *server = (wxSocketServer *) event.GetSocket();
     if (!server)
 {
     wxSocketServer *server = (wxSocketServer *) event.GetSocket();
     if (!server)

-        return ;
+        return;

     wxTCPServer *ipcserv = (wxTCPServer *) server->GetClientData();
 
     // This socket is being deleted; skip this event
     wxTCPServer *ipcserv = (wxTCPServer *) server->GetClientData();
 
     // This socket is being deleted; skip this event


@@ -830,8 +875,8 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
     // Accept the connection, getting a new socket
     wxSocketBase *sock = server->Accept();
     if (!sock)
     // Accept the connection, getting a new socket
     wxSocketBase *sock = server->Accept();
     if (!sock)

-        return ;
-    if (!sock->Ok())
+        return;
+    if (!sock->IsOk())

     {
         sock->Destroy();
         return;
     {
         sock->Destroy();
         return;


@@ -852,7 +897,7 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
 
             if (new_connection)
             {
 
             if (new_connection)
             {

-                if (new_connection->IsKindOf(CLASSINFO(wxTCPConnection)))
+                if (wxDynamicCast(new_connection, wxTCPConnection))

                 {
                     // Acknowledge success
                     out.Write8(IPC_CONNECT);
                 {
                     // Acknowledge success
                     out.Write8(IPC_CONNECT);


@@ -860,7 +905,8 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
                     new_connection->m_sock = sock;
                     new_connection->m_streams = streams;
                     new_connection->m_topic = topic;
                     new_connection->m_sock = sock;
                     new_connection->m_streams = streams;
                     new_connection->m_topic = topic;

-                    sock->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
+                    sock->SetEventHandler(wxTCPEventHandlerModule::GetHandler(),
+                                          _CLIENT_ONREQUEST_ID);

                     sock->SetClientData(new_connection);
                     sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
                     sock->Notify(true);
                     sock->SetClientData(new_connection);
                     sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
                     sock->Notify(true);


@@ -882,19 +928,4 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
     sock->Destroy();
 }
 
     sock->Destroy();
 }
 

-// --------------------------------------------------------------------------
-// wxTCPEventHandlerModule (private class)
-// --------------------------------------------------------------------------
-
-class wxTCPEventHandlerModule: public wxModule
-{
-public:
-    virtual bool OnInit() { gs_handler = new wxTCPEventHandler; return true; }
-    virtual void OnExit() { wxDELETE(gs_handler); }
-
-    DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxTCPEventHandlerModule, wxModule)
-

 #endif // wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS
 #endif // wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS