wxDFB: fix rendering artefacts when scrolling wxScrolledWindow that contains other...

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

diff --git a/src/common/sckipc.cpp b/src/common/sckipc.cpp
index 385cc76651cdae5bebde0e5eb2bf4e9f79b950af..3b03e2de76f10366f6e442e261e19f3e6a0db596 100644 (file)
--- a/src/common/sckipc.cpp
+++ b/src/common/sckipc.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        sckipc.cpp
+// Name:        src/common/sckipc.cpp

 // Purpose:     Interprocess communication implementation (wxSocket version)
 // Author:      Julian Smart
 // Modified by: Guilhem Lavaux (big rewrite) May 1997, 1998
 // Purpose:     Interprocess communication implementation (wxSocket version)
 // Author:      Julian Smart
 // Modified by: Guilhem Lavaux (big rewrite) May 1997, 1998


@@ -22,31 +22,28 @@
 // headers
 // --------------------------------------------------------------------------
 
 // headers
 // --------------------------------------------------------------------------
 

-#ifdef __GNUG__
-#pragma implementation "sckipc.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

+#if wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS
+
+#include "wx/sckipc.h"
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-#include "wx/log.h"
+    #include "wx/log.h"
+    #include "wx/event.h"
+    #include "wx/module.h"

 #endif
 
 #endif
 

-#if wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS
-

 #include <stdlib.h>
 #include <stdio.h>
 #include <errno.h>
 
 #include "wx/socket.h"
 #include <stdlib.h>
 #include <stdio.h>
 #include <errno.h>
 
 #include "wx/socket.h"

-#include "wx/sckipc.h"
-#include "wx/module.h"
-#include "wx/event.h"

 
 // --------------------------------------------------------------------------
 // macros and constants
 
 // --------------------------------------------------------------------------
 // macros and constants


@@ -86,10 +83,10 @@ enum
 
 // get the address object for the given server name, the caller must delete it
 static wxSockAddress *
 
 // get the address object for the given server name, the caller must delete it
 static wxSockAddress *

-GetAddressFromName(const wxString& serverName, const wxString& host = _T(""))
+GetAddressFromName(const wxString& serverName, const wxString& host = wxEmptyString)

 {
     // we always use INET sockets under non-Unix systems
 {
     // we always use INET sockets under non-Unix systems

-#if defined(__UNIX__) && !defined(__WXMAC__) && !defined(__WINE__)
+#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__) && (!defined(__WXMAC__) || defined(__DARWIN__))

     // 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 )
     // 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 )


@@ -119,12 +116,13 @@ GetAddressFromName(const wxString& serverName, const wxString& host = _T(""))
 class wxTCPEventHandler : public wxEvtHandler
 {
 public:
 class wxTCPEventHandler : public wxEvtHandler
 {
 public:

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

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

+  DECLARE_NO_COPY_CLASS(wxTCPEventHandler)

 };
 
 enum
 };
 
 enum


@@ -166,15 +164,15 @@ wxConnectionBase *wxTCPClient::MakeConnection (const wxString& host,
                                                const wxString& serverName,
                                                const wxString& topic)
 {
                                                const wxString& serverName,
                                                const wxString& topic)
 {

+  wxSockAddress *addr = GetAddressFromName(serverName, host);
+  if ( !addr )
+      return NULL;
+

   wxSocketClient *client = new wxSocketClient(SCKIPC_FLAGS);
   wxSocketStream *stream = new wxSocketStream(*client);
   wxDataInputStream *data_is = new wxDataInputStream(*stream);
   wxDataOutputStream *data_os = new wxDataOutputStream(*stream);
 
   wxSocketClient *client = new wxSocketClient(SCKIPC_FLAGS);
   wxSocketStream *stream = new wxSocketStream(*client);
   wxDataInputStream *data_is = new wxDataInputStream(*stream);
   wxDataOutputStream *data_os = new wxDataOutputStream(*stream);
 

-  wxSockAddress *addr = GetAddressFromName(serverName, host);
-  if ( !addr )
-      return NULL;
-

   bool ok = client->Connect(*addr);
   delete addr;
 
   bool ok = client->Connect(*addr);
   delete addr;
 


@@ -205,7 +203,7 @@ wxConnectionBase *wxTCPClient::MakeConnection (const wxString& host,
           client->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
           client->SetClientData(connection);
           client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
           client->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
           client->SetClientData(connection);
           client->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);

-          client->Notify(TRUE);
+          client->Notify(true);

           return connection;
         }
         else
           return connection;
         }
         else


@@ -252,7 +250,7 @@ bool wxTCPServer::Create(const wxString& serverName)
 
   wxSockAddress *addr = GetAddressFromName(serverName);
   if ( !addr )
 
   wxSockAddress *addr = GetAddressFromName(serverName);
   if ( !addr )

-      return FALSE;
+      return false;

 
 #ifdef __UNIX_LIKE__
   mode_t umaskOld;
 
 #ifdef __UNIX_LIKE__
   mode_t umaskOld;


@@ -265,7 +263,7 @@ bool wxTCPServer::Create(const wxString& serverName)
       {
           delete addr;
 
       {
           delete addr;
 

-          return FALSE;
+          return false;

       }
 
       // also set the umask to prevent the others from reading our file
       }
 
       // also set the umask to prevent the others from reading our file


@@ -299,15 +297,15 @@ bool wxTCPServer::Create(const wxString& serverName)
     m_server->Destroy();
     m_server = NULL;
 
     m_server->Destroy();
     m_server = NULL;
 

-    return FALSE;
+    return false;

   }
 
   m_server->SetEventHandler(*gs_handler, _SERVER_ONREQUEST_ID);
   m_server->SetClientData(this);
   m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);
   }
 
   m_server->SetEventHandler(*gs_handler, _SERVER_ONREQUEST_ID);
   m_server->SetClientData(this);
   m_server->SetNotify(wxSOCKET_CONNECTION_FLAG);

-  m_server->Notify(TRUE);
+  m_server->Notify(true);

 
 

-  return TRUE;
+  return true;

 }
 
 wxTCPServer::~wxTCPServer()
 }
 
 wxTCPServer::~wxTCPServer()


@@ -358,15 +356,17 @@ wxTCPConnection::wxTCPConnection(wxChar *buffer, int size)
 wxTCPConnection::~wxTCPConnection ()
 {
   Disconnect();
 wxTCPConnection::~wxTCPConnection ()
 {
   Disconnect();

-  wxDELETE(m_codeci);
-  wxDELETE(m_codeco);
-  wxDELETE(m_sockstrm);

 
   if (m_sock)
   {
     m_sock->SetClientData(NULL);
     m_sock->Destroy();
   }
 
   if (m_sock)
   {
     m_sock->SetClientData(NULL);
     m_sock->Destroy();
   }

+
+  /* Delete after destroy */
+  wxDELETE(m_codeci);
+  wxDELETE(m_codeco);
+  wxDELETE(m_sockstrm);

 }
 
 void wxTCPConnection::Compress(bool WXUNUSED(on))
 }
 
 void wxTCPConnection::Compress(bool WXUNUSED(on))


@@ -378,32 +378,32 @@ void wxTCPConnection::Compress(bool WXUNUSED(on))
 bool wxTCPConnection::Disconnect ()
 {
   if ( !GetConnected() )
 bool wxTCPConnection::Disconnect ()
 {
   if ( !GetConnected() )

-      return TRUE;
+      return true;

   // Send the the disconnect message to the peer.
   m_codeco->Write8(IPC_DISCONNECT);
   // Send the the disconnect message to the peer.
   m_codeco->Write8(IPC_DISCONNECT);

-  m_sock->Notify(FALSE);
+  m_sock->Notify(false);

   m_sock->Close();
   m_sock->Close();

-  SetConnected(FALSE);
+  SetConnected(false);

 
 

-  return TRUE;
+  return true;

 }
 
 bool wxTCPConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
 }
 
 bool wxTCPConnection::Execute(const wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())

-    return FALSE;
+    return false;

 
   // Prepare EXECUTE message
   m_codeco->Write8(IPC_EXECUTE);
   m_codeco->Write8(format);
 
   if (size < 0)
 
   // Prepare EXECUTE message
   m_codeco->Write8(IPC_EXECUTE);
   m_codeco->Write8(format);
 
   if (size < 0)

-    size = wxStrlen(data) + 1;    // includes final NUL
+    size = (wxStrlen(data) + 1) * sizeof(wxChar);    // includes final NUL

 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 
 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 

-  return TRUE;
+  return true;

 }
 
 wxChar *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat format)
 }
 
 wxChar *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat format)


@@ -426,6 +426,7 @@ wxChar *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat f
     size_t s;
 
     s = m_codeci->Read32();
     size_t s;
 
     s = m_codeci->Read32();

+

     wxChar *data = GetBufferAtLeast( s );
     wxASSERT_MSG(data != NULL,
                  _T("Buffer too small in wxTCPConnection::Request") );
     wxChar *data = GetBufferAtLeast( s );
     wxASSERT_MSG(data != NULL,
                  _T("Buffer too small in wxTCPConnection::Request") );


@@ -440,19 +441,19 @@ wxChar *wxTCPConnection::Request (const wxString& item, int *size, wxIPCFormat f
 bool wxTCPConnection::Poke (const wxString& item, wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
 bool wxTCPConnection::Poke (const wxString& item, wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())

-    return FALSE;
+    return false;

 
   m_codeco->Write8(IPC_POKE);
   m_codeco->WriteString(item);
   m_codeco->Write8(format);
 
   if (size < 0)
 
   m_codeco->Write8(IPC_POKE);
   m_codeco->WriteString(item);
   m_codeco->Write8(format);
 
   if (size < 0)

-    size = wxStrlen(data) + 1;    // includes final NUL
+    size = (wxStrlen(data) + 1) * sizeof(wxChar);    // includes final NUL

 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 
 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 

-  return TRUE;
+  return true;

 }
 
 bool wxTCPConnection::StartAdvise (const wxString& item)
 }
 
 bool wxTCPConnection::StartAdvise (const wxString& item)


@@ -460,7 +461,7 @@ bool wxTCPConnection::StartAdvise (const wxString& item)
   int ret;
 
   if (!m_sock->IsConnected())
   int ret;
 
   if (!m_sock->IsConnected())

-    return FALSE;
+    return false;

 
   m_codeco->Write8(IPC_ADVISE_START);
   m_codeco->WriteString(item);
 
   m_codeco->Write8(IPC_ADVISE_START);
   m_codeco->WriteString(item);


@@ -468,9 +469,9 @@ bool wxTCPConnection::StartAdvise (const wxString& item)
   ret = m_codeci->Read8();
 
   if (ret != IPC_FAIL)
   ret = m_codeci->Read8();
 
   if (ret != IPC_FAIL)

-    return TRUE;
+    return true;

   else
   else

-    return FALSE;
+    return false;

 }
 
 bool wxTCPConnection::StopAdvise (const wxString& item)
 }
 
 bool wxTCPConnection::StopAdvise (const wxString& item)


@@ -478,7 +479,7 @@ bool wxTCPConnection::StopAdvise (const wxString& item)
   int msg;
 
   if (!m_sock->IsConnected())
   int msg;
 
   if (!m_sock->IsConnected())

-    return FALSE;
+    return false;

 
   m_codeco->Write8(IPC_ADVISE_STOP);
   m_codeco->WriteString(item);
 
   m_codeco->Write8(IPC_ADVISE_STOP);
   m_codeco->WriteString(item);


@@ -486,9 +487,9 @@ bool wxTCPConnection::StopAdvise (const wxString& item)
   msg = m_codeci->Read8();
 
   if (msg != IPC_FAIL)
   msg = m_codeci->Read8();
 
   if (msg != IPC_FAIL)

-    return TRUE;
+    return true;

   else
   else

-    return FALSE;
+    return false;

 }
 
 // Calls that SERVER can make
 }
 
 // Calls that SERVER can make


@@ -496,19 +497,19 @@ bool wxTCPConnection::Advise (const wxString& item,
                               wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())
                               wxChar *data, int size, wxIPCFormat format)
 {
   if (!m_sock->IsConnected())

-    return FALSE;
+    return false;

 
   m_codeco->Write8(IPC_ADVISE);
   m_codeco->WriteString(item);
   m_codeco->Write8(format);
 
   if (size < 0)
 
   m_codeco->Write8(IPC_ADVISE);
   m_codeco->WriteString(item);
   m_codeco->Write8(format);
 
   if (size < 0)

-    size = wxStrlen(data) + 1;    // includes final NUL
+    size = (wxStrlen(data) + 1) * sizeof(wxChar);    // includes final NUL

 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 
 
   m_codeco->Write32(size);
   m_sockstrm->Write(data, size);
 

-  return TRUE;
+  return true;

 }
 
 // --------------------------------------------------------------------------
 }
 
 // --------------------------------------------------------------------------


@@ -523,6 +524,9 @@ END_EVENT_TABLE()
 void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 {
   wxSocketBase *sock = event.GetSocket();
 void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 {
   wxSocketBase *sock = event.GetSocket();

+  if (!sock) {         /* No socket, no glory */
+    return ;
+  }

   wxSocketNotify evt = event.GetSocketEvent();
   wxTCPConnection *connection = (wxTCPConnection *)(sock->GetClientData());
 
   wxSocketNotify evt = event.GetSocketEvent();
   wxTCPConnection *connection = (wxTCPConnection *)(sock->GetClientData());
 


@@ -530,7 +534,6 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
   if (!connection)
     return;
 
   if (!connection)
     return;
 

-  int msg = 0;

   wxDataInputStream *codeci;
   wxDataOutputStream *codeco;
   wxSocketStream *sockstrm;
   wxDataInputStream *codeci;
   wxDataOutputStream *codeco;
   wxSocketStream *sockstrm;


@@ -540,7 +543,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
   // We lost the connection: destroy everything
   if (evt == wxSOCKET_LOST)
   {
   // We lost the connection: destroy everything
   if (evt == wxSOCKET_LOST)
   {

-    sock->Notify(FALSE);
+    sock->Notify(false);

     sock->Close();
     connection->OnDisconnect();
     return;
     sock->Close();
     connection->OnDisconnect();
     return;


@@ -550,7 +553,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
   codeci = connection->m_codeci;
   codeco = connection->m_codeco;
   sockstrm = connection->m_sockstrm;
   codeci = connection->m_codeci;
   codeco = connection->m_codeco;
   sockstrm = connection->m_sockstrm;

-  msg = codeci->Read8();
+  int msg = codeci->Read8();

 
   switch (msg)
   {
 
   switch (msg)
   {


@@ -562,6 +565,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 
     format = (wxIPCFormat)codeci->Read8();
     size = codeci->Read32();
 
     format = (wxIPCFormat)codeci->Read8();
     size = codeci->Read32();

+    

     data = connection->GetBufferAtLeast( size );
     wxASSERT_MSG(data != NULL,
                  _T("Buffer too small in wxTCPEventHandler::Client_OnRequest") );
     data = connection->GetBufferAtLeast( size );
     wxASSERT_MSG(data != NULL,
                  _T("Buffer too small in wxTCPEventHandler::Client_OnRequest") );


@@ -646,7 +650,7 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
       codeco->Write8(IPC_REQUEST_REPLY);
 
       if (user_size == -1)
       codeco->Write8(IPC_REQUEST_REPLY);
 
       if (user_size == -1)

-        user_size = wxStrlen(user_data) + 1;      // includes final NUL
+        user_size = (wxStrlen(user_data) + 1) * sizeof(wxChar);    // includes final NUL

 
       codeco->Write32(user_size);
       sockstrm->Write(user_data, user_size);
 
       codeco->Write32(user_size);
       sockstrm->Write(user_data, user_size);


@@ -658,9 +662,9 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
   }
   case IPC_DISCONNECT:
   {
   }
   case IPC_DISCONNECT:
   {

-    sock->Notify(FALSE);
+    sock->Notify(false);

     sock->Close();
     sock->Close();

-    connection->SetConnected(FALSE);
+    connection->SetConnected(false);

     connection->OnDisconnect();
     break;
   }
     connection->OnDisconnect();
     break;
   }


@@ -673,6 +677,9 @@ void wxTCPEventHandler::Client_OnRequest(wxSocketEvent &event)
 void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
 {
   wxSocketServer *server = (wxSocketServer *) event.GetSocket();
 void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
 {
   wxSocketServer *server = (wxSocketServer *) event.GetSocket();

+  if (!server) {               /* No server, Then exit */
+         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


@@ -684,6 +691,9 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
 
   // Accept the connection, getting a new socket
   wxSocketBase *sock = server->Accept();
 
   // Accept the connection, getting a new socket
   wxSocketBase *sock = server->Accept();

+  if (!sock) {         /* No socket, no glory */
+         return ;
+  }

   if (!sock->Ok())
   {
     sock->Destroy();
   if (!sock->Ok())
   {
     sock->Destroy();


@@ -719,7 +729,7 @@ void wxTCPEventHandler::Server_OnRequest(wxSocketEvent &event)
         sock->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
         sock->SetClientData(new_connection);
         sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);
         sock->SetEventHandler(*gs_handler, _CLIENT_ONREQUEST_ID);
         sock->SetClientData(new_connection);
         sock->SetNotify(wxSOCKET_INPUT_FLAG | wxSOCKET_LOST_FLAG);

-        sock->Notify(TRUE);
+        sock->Notify(true);

         return;
       }
       else
         return;
       }
       else


@@ -748,7 +758,7 @@ class wxTCPEventHandlerModule: public wxModule
   DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
 
 public:
   DECLARE_DYNAMIC_CLASS(wxTCPEventHandlerModule)
 
 public:

-  bool OnInit() { gs_handler = new wxTCPEventHandler(); return TRUE; }
+  bool OnInit() { gs_handler = new wxTCPEventHandler(); return true; }

   void OnExit() { wxDELETE(gs_handler); }
 };
 
   void OnExit() { wxDELETE(gs_handler); }
 };
 


@@ -756,4 +766,4 @@ IMPLEMENT_DYNAMIC_CLASS(wxTCPEventHandlerModule, wxModule)
 
 
 #endif
 
 
 #endif

-    // wxUSE_SOCKETS && wxUSE_IPC
+   // wxUSE_SOCKETS && wxUSE_IPC && wxUSE_STREAMS