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/*************************************************************************
Source Code Control System - Header
$Header: /zpool/svn/migration/cvs_rep_09_09_08/code/extensions/source/plugin/unx/plugcon.cxx,v 1.2 2002-02-21 16:59:30 hr Exp $
Source Code Control System - Update
$Log: not supported by cvs2svn $
Revision 1.1 2001/10/23 17:31:20 pl
#92403# move plugins into own executable like SO5.2
Revision 1.5 2000/03/22 12:01:07 pl
#74086# do not wait indefinitely on dead mediators
Revision 1.4 1999/02/26 17:47:47 pl
#55825# Einige Bugs gefixed
Revision 1.3 1999/02/22 17:53:03 pl
#55825# Servicename geandert, OS/2 Implementation, NPP_SetWindow oefter rufen
Revision 1.2 1999/02/15 16:12:22 pl
#55825# Model fuers Plugin
Revision 1.1 1999/02/08 18:10:49 dbo
#55825# Netscape Plugins
Revision 1.1.1.1 1999/02/02 17:52:37 nup
Unterstuetzung fuer Netscape Plugins
*************************************************************************/
#include <plugin/unx/plugcon.hxx>
#include <cstdarg>
UINT32 PluginConnector::GetStreamID( NPStream* pStream )
{
for( ULONG i = 0; i < m_aNPWrapStreams.Count(); i++ )
if( m_aNPWrapStreams.GetObject( i ) == pStream )
return i;
medDebug( 1, "Error: NPStream has no ID\n" );
return ~0;
}
UINT32 PluginConnector::GetNPPID( NPP instance )
{
for( ULONG i=0; i < m_aInstances.Count(); i++ )
if( m_aInstances.GetObject( i )->instance == instance )
return i;
medDebug( 1, "Error: NPP has no ID\n" );
return ~0;
}
struct PtrStruct
{
char* pData;
ULONG nBytes;
};
DECLARE_LIST( PtrStructList, PtrStruct* );
ULONG PluginConnector::FillBuffer( char*& rpBuffer,
char* pFunction,
ULONG nFunctionLen,
va_list ap )
{
PtrStructList aList;
PtrStruct* pPtrStruct;
ULONG nDataSize = nFunctionLen + sizeof( ULONG );
char* pNext;
do {
pNext = va_arg( ap, char* );
if( pNext )
{
pPtrStruct = new PtrStruct;
pPtrStruct->pData = pNext;
pPtrStruct->nBytes = va_arg( ap, ULONG );
nDataSize += pPtrStruct->nBytes + sizeof(ULONG);
aList.Insert( pPtrStruct, LIST_APPEND );
}
} while( pNext );
rpBuffer = new char[ nDataSize ];
char* pRun = rpBuffer;
memcpy( pRun, &nFunctionLen, sizeof( nFunctionLen ) );
pRun += sizeof( nFunctionLen );
memcpy( pRun, pFunction, nFunctionLen );
pRun += nFunctionLen;
while( pPtrStruct = aList.Remove( (ULONG) 0 ) )
{
memcpy( pRun, &pPtrStruct->nBytes, sizeof( ULONG ) );
pRun += sizeof( ULONG );
memcpy( pRun, pPtrStruct->pData, pPtrStruct->nBytes );
pRun += pPtrStruct->nBytes;
delete pPtrStruct;
}
return nDataSize;
}
MediatorMessage* PluginConnector::Transact( char* pFunction,
ULONG nFunctionLen, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunctionLen );
ULONG nSize = FillBuffer( pBuffer, pFunction, nFunctionLen, ap );
va_end( ap );
return TransactMessage( nSize, pBuffer );
}
MediatorMessage* PluginConnector::Transact( UINT32 nFunction, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunction );
ULONG nSize = FillBuffer( pBuffer, (char*)&nFunction, sizeof( nFunction ), ap );
va_end( ap );
return TransactMessage( nSize, pBuffer );
}
ULONG PluginConnector::Send( UINT32 nFunction, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunction );
ULONG nSize = FillBuffer( pBuffer, (char*)&nFunction, sizeof( nFunction ), ap );
va_end( ap );
return SendMessage( nSize, pBuffer );
}
void PluginConnector::Respond( ULONG nID,
char* pFunction,
ULONG nFunctionLen, ... )
{
va_list ap;
char* pBuffer;
va_start( ap, nFunctionLen );
ULONG nSize = FillBuffer( pBuffer, pFunction, nFunctionLen, ap );
va_end( ap );
SendMessage( nSize, pBuffer, nID | ( 1 << 24 ) );
}
MediatorMessage* PluginConnector::WaitForAnswer( ULONG nMessageID )
{
if( ! m_bValid )
return NULL;
nMessageID &= 0x00ffffff;
while( m_pListener )
{
{
NAMESPACE_VOS(OGuard) aGuard( m_aQueueMutex );
for( int i = 0; i < m_aMessageQueue.Count(); i++ )
{
ULONG nID = m_aMessageQueue.GetObject( i )->m_nID;
if( ( nID & 0xff000000 ) &&
( ( nID & 0x00ffffff ) == nMessageID ) )
return m_aMessageQueue.Remove( i );
}
}
if( m_aMessageQueue.Count() )
CallWorkHandler();
WaitForMessage( 2000 );
}
return NULL;
}
ConnectorInstance::ConnectorInstance( NPP inst, char* type,
int args, char* pargnbuf, ULONG nargnbytes,
char* pargvbuf, ULONG nargvbytes,
char* savedata, ULONG savebytes ) :
instance( inst ),
nArg( args ),
pArgnBuf( pargnbuf ),
pArgvBuf( pargvbuf ),
pShell( NULL ),
pWidget( NULL )
{
memset( &window, 0, sizeof(window) );
pMimeType = new char[ strlen( type ) + 1 ];
strcpy( pMimeType, type );
aData.len = savebytes;
aData.buf = savedata;
argn = new char*[ nArg ];
argv = new char*[ nArg ];
int i;
char* pRun = pArgnBuf;
for( i = 0; i < nArg; i++ )
{
argn[i] = pRun;
while( *pRun != 0 && (ULONG)(pRun - pArgnBuf) < nargnbytes )
pRun++;
if( (ULONG)(pRun - pArgnBuf) < nargnbytes )
pRun++;
}
pRun = pArgvBuf;
for( i = 0; i < nArg; i++ )
{
argv[i] = pRun;
while( *pRun != 0 && (ULONG)(pRun - pArgvBuf) < nargvbytes )
pRun++;
if( (ULONG)(pRun - pArgvBuf) < nargvbytes )
pRun++;
}
}
ConnectorInstance::~ConnectorInstance()
{
delete pMimeType;
delete argn;
delete argv;
delete pArgnBuf;
delete pArgvBuf;
delete aData.buf;
}
char* GetCommandName( CommandAtoms eCommand )
{
switch( eCommand )
{
case eNPN_GetURL: return "NPN_GetURL";
case eNPN_GetURLNotify: return "NPN_GetURLNotify";
case eNPN_DestroyStream: return "NPN_DestroyStream";
case eNPN_NewStream: return "NPN_NewStream";
case eNPN_PostURLNotify: return "NPN_PostURLNotify";
case eNPN_PostURL: return "NPN_PostURL";
case eNPN_RequestRead: return "NPN_RequestRead";
case eNPN_Status: return "NPN_Status";
case eNPN_Version: return "NPN_Version";
case eNPN_Write: return "NPN_Write";
case eNPN_UserAgent: return "NPN_UserAgent";
case eNPP_DestroyStream: return "NPP_DestroyStream";
case eNPP_Destroy: return "NPP_Destroy";
case eNPP_NewStream: return "NPP_NewStream";
case eNPP_New: return "NPP_New";
case eNPP_SetWindow: return "NPP_SetWindow";
case eNPP_StreamAsFile: return "NPP_StreamAsFile";
case eNPP_URLNotify: return "NPP_URLNotify";
case eNPP_WriteReady: return "NPP_WriteReady";
case eNPP_Write: return "NPP_Write";
case eNPP_GetMIMEDescription: return "NPP_GetMIMEDescription";
case eNPP_Initialize: return "NPP_Initialize";
case eNPP_Shutdown: return "NPP_Shutdown";
case eMaxCommand: return "eMaxCommand";
default: return "unknown command";
}
return NULL;
}
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