diff options
Diffstat (limited to 'extensions/source/plugin/unx/npwrap.cxx')
| -rw-r--r-- | extensions/source/plugin/unx/npwrap.cxx | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/extensions/source/plugin/unx/npwrap.cxx b/extensions/source/plugin/unx/npwrap.cxx deleted file mode 100644 index 668239f7b..000000000 --- a/extensions/source/plugin/unx/npwrap.cxx +++ /dev/null @@ -1,518 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_extensions.hxx" -#ifdef AIX -#define _LINUX_SOURCE_COMPAT -#include <sys/timer.h> -#undef _LINUX_SOURCE_COMPAT -#endif -#include <errno.h> -#include <dlfcn.h> -#include <unistd.h> -#include <sys/poll.h> -#include <fcntl.h> -#include <signal.h> - -#include <plugin/unx/plugcon.hxx> - -#include <osl/file.h> -#include <osl/module.h> - -PluginConnector* pConnector = NULL; - -int nAppArguments = 0; -char** pAppArguments = NULL; -Display* pAppDisplay = NULL; -Display* pXtAppDisplay = NULL; - -extern oslModule pPluginLib; -extern NPError (*pNP_Shutdown)(); - -void LoadAdditionalLibs(const char*); - -XtAppContext app_context; -Widget topLevel = NULL, topBox = NULL; -int wakeup_fd[2] = { 0, 0 }; -static bool bPluginAppQuit = false; - -static long GlobalConnectionLostHdl( void* /*pInst*/, void* /*pArg*/ ) -{ - medDebug( 1, "pluginapp exiting due to connection lost\n" ); - - write( wakeup_fd[1], "xxxx", 4 ); - return 0; -} - -extern "C" -{ - static int plugin_x_error_handler( Display*, XErrorEvent* ) - { - return 0; - } - - #ifndef ENABLE_GTK - static void ThreadEventHandler( XtPointer /*client_data*/, int* /*source*/, XtInputId* id ) - { - char buf[256]; - // clear pipe - int len, nLast = -1; - - while( (len = read( wakeup_fd[0], buf, sizeof( buf ) ) ) > 0 ) - nLast = len-1; - if( ! bPluginAppQuit ) - { - if( ( nLast == -1 || buf[nLast] != 'x' ) && pConnector ) - pConnector->CallWorkHandler(); - else - { - // it seems you can use XtRemoveInput only - // safely from within the callback - // why is that ? - medDebug( 1, "removing wakeup pipe\n" ); - XtRemoveInput( *id ); - XtAppSetExitFlag( app_context ); - bPluginAppQuit = true; - - delete pConnector; - pConnector = NULL; - } - } - } - #endif -} - - -IMPL_LINK( PluginConnector, NewMessageHdl, Mediator*, /*pMediator*/ ) -{ - medDebug( 1, "new message handler\n" ); - write( wakeup_fd[1], "cccc", 4 ); - return 0; - -} - -Widget createSubWidget( char* /*pPluginText*/, Widget shell, XLIB_Window aParentWindow ) -{ - Widget newWidget = XtVaCreateManagedWidget( -#if defined USE_MOTIF - "drawingArea", - xmDrawingAreaWidgetClass, -#else - "", - compositeWidgetClass, -#endif - shell, - XtNwidth, 200, - XtNheight, 200, - (char *)NULL ); - XtRealizeWidget( shell ); - XtRealizeWidget( newWidget ); - - medDebug( 1, "Reparenting new widget %x to %x\n", XtWindow( newWidget ), aParentWindow ); - XReparentWindow( pXtAppDisplay, - XtWindow( shell ), - aParentWindow, - 0, 0 ); - XtMapWidget( shell ); - XtMapWidget( newWidget ); - XRaiseWindow( pXtAppDisplay, XtWindow( shell ) ); - XSync( pXtAppDisplay, False ); - - return newWidget; -} - -void* CreateNewShell( void** pShellReturn, XLIB_Window aParentWindow ) -{ - XLIB_String n, c; - XtGetApplicationNameAndClass(pXtAppDisplay, &n, &c); - - Widget newShell = - XtVaAppCreateShell( "pane", c, - topLevelShellWidgetClass, - pXtAppDisplay, - XtNwidth, 200, - XtNheight, 200, - XtNoverrideRedirect, True, - (char *)NULL ); - *pShellReturn = newShell; - - char pText[1024]; - sprintf( pText, "starting plugin %s ...", pAppArguments[2] ); - - Widget newWidget = createSubWidget( pText, newShell, aParentWindow ); - - return newWidget; -} - -static oslModule LoadModule( const char* pPath ) -{ - ::rtl::OUString sSystemPath( ::rtl::OUString::createFromAscii( pPath ) ); - ::rtl::OUString sFileURL; - osl_getFileURLFromSystemPath( sSystemPath.pData, &sFileURL.pData ); - - oslModule pLib = osl_loadModule( sFileURL.pData, SAL_LOADMODULE_LAZY ); - if( ! pLib ) - { - medDebug( 1, "could not open %s: %s\n", pPath, dlerror() ); - } - return pLib; -} - -// Unix specific implementation -static void CheckPlugin( const char* pPath ) -{ - oslModule pLib = LoadModule( pPath ); - - char*(*pNP_GetMIMEDescription)() = (char*(*)()) - osl_getAsciiFunctionSymbol( pLib, "NP_GetMIMEDescription" ); - if( pNP_GetMIMEDescription ) - printf( "%s\n", pNP_GetMIMEDescription() ); - else - medDebug( 1, "could not get symbol NP_GetMIMEDescription %s\n", dlerror() ); - - osl_unloadModule( pLib ); -} - -#if OSL_DEBUG_LEVEL > 1 && defined LINUX -#include <execinfo.h> -#endif - -extern "C" { - -static void signal_handler( int nSig ) -{ -#if OSL_DEBUG_LEVEL > 1 - fprintf( stderr, "caught signal %d, exiting\n", nSig ); -#ifdef LINUX - void* pStack[64]; - int nStackLevels = backtrace( pStack, SAL_N_ELEMENTS(pStack) ); - backtrace_symbols_fd( pStack, nStackLevels, STDERR_FILENO ); -#endif -#endif - if( pConnector ) - { - // ensure that a read on the other side will wakeup - delete pConnector; - pConnector = NULL; - } - - _exit(nSig); -} - -#ifdef ENABLE_GTK - -static gboolean noClosure( gpointer ) -{ - return sal_True; -} - -// Xt events -static gboolean prepareXtEvent( GSource*, gint* ) -{ - int nMask = XtAppPending( app_context ); - return (nMask & XtIMAll) != 0; -} - -static gboolean checkXtEvent( GSource* ) -{ - int nMask = XtAppPending( app_context ); - return (nMask & XtIMAll) != 0; -} - -static gboolean dispatchXtEvent( GSource*, GSourceFunc, gpointer ) -{ - XtAppProcessEvent( app_context, XtIMAll ); - return sal_True; -} - -static GSourceFuncs aXtEventFuncs = -{ - prepareXtEvent, - checkXtEvent, - dispatchXtEvent, - NULL, - noClosure, - NULL -}; - -static gboolean pollXtTimerCallback(gpointer) -{ - for(int i = 0; i < 5; i++) - { - if( (XtAppPending(app_context) & (XtIMAll & ~XtIMXEvent)) == 0 ) - break; - XtAppProcessEvent(app_context, XtIMAll & ~XtIMXEvent); - } - return sal_True; -} - -static gboolean prepareWakeupEvent( GSource*, gint* ) -{ - struct pollfd aPoll = { wakeup_fd[0], POLLIN, 0 }; - poll( &aPoll, 1, 0 ); - return (aPoll.revents & POLLIN ) != 0; -} - -static gboolean checkWakeupEvent( GSource* pSource ) -{ - gint nDum = 0; - return prepareWakeupEvent( pSource, &nDum ); -} - -static gboolean dispatchWakeupEvent( GSource*, GSourceFunc, gpointer ) -{ - char buf[256]; - // clear pipe - int len, nLast = -1; - - while( (len = read( wakeup_fd[0], buf, sizeof( buf ) ) ) > 0 ) - nLast = len-1; - if( ( nLast == -1 || buf[nLast] != 'x' ) && pConnector ) - pConnector->CallWorkHandler(); - else - { - XtAppSetExitFlag( app_context ); - bPluginAppQuit = true; - - delete pConnector; - pConnector = NULL; - } - - return sal_True; -} - -static GSourceFuncs aWakeupEventFuncs = { - prepareWakeupEvent, - checkWakeupEvent, - dispatchWakeupEvent, - NULL, - noClosure, - NULL -}; - -#endif // GTK - -} - -int main( int argc, char **argv) -{ - struct sigaction aSigAction; - aSigAction.sa_handler = signal_handler; - sigemptyset( &aSigAction.sa_mask ); - aSigAction.sa_flags = SA_NOCLDSTOP; - sigaction( SIGSEGV, &aSigAction, NULL ); - sigaction( SIGBUS, &aSigAction, NULL ); - sigaction( SIGABRT, &aSigAction, NULL ); - sigaction( SIGTERM, &aSigAction, NULL ); - sigaction( SIGILL, &aSigAction, NULL ); - - int nArg = (argc < 3) ? 1 : 2; - char* pBaseName = argv[nArg] + strlen(argv[nArg]); - while( pBaseName > argv[nArg] && pBaseName[-1] != '/' ) - pBaseName--; - LoadAdditionalLibs( pBaseName ); - - if( argc == 2 ) - { - CheckPlugin(argv[1]); - exit(0); - } - nAppArguments = argc; - pAppArguments = argv; - - XSetErrorHandler( plugin_x_error_handler ); - - if( pipe( wakeup_fd ) ) - { - medDebug( 1, "could not pipe()\n" ); - return 1; - } - // initialize 'wakeup' pipe. - int flags; - - // set close-on-exec descriptor flag. - if ((flags = fcntl (wakeup_fd[0], F_GETFD)) != -1) - { - flags |= FD_CLOEXEC; - fcntl (wakeup_fd[0], F_SETFD, flags); - } - if ((flags = fcntl (wakeup_fd[1], F_GETFD)) != -1) - { - flags |= FD_CLOEXEC; - fcntl (wakeup_fd[1], F_SETFD, flags); - } - - // set non-blocking I/O flag. - if ((flags = fcntl (wakeup_fd[0], F_GETFL)) != -1) - { - flags |= O_NONBLOCK; - fcntl (wakeup_fd[0], F_SETFL, flags); - } - if ((flags = fcntl (wakeup_fd[1], F_GETFL)) != -1) - { - flags |= O_NONBLOCK; - fcntl (wakeup_fd[1], F_SETFL, flags); - } - - pPluginLib = LoadModule( argv[2] ); - if( ! pPluginLib ) - { - exit(255); - } - int nSocket = atol( argv[1] ); - - #ifdef ENABLE_GTK - g_thread_init(NULL); - gtk_init(&argc, &argv); - #endif - - pConnector = new PluginConnector( nSocket ); - pConnector->SetConnectionLostHdl( Link( NULL, GlobalConnectionLostHdl ) ); - - XtSetLanguageProc( NULL, NULL, NULL ); - - XtToolkitInitialize(); - app_context = XtCreateApplicationContext(); - pXtAppDisplay = XtOpenDisplay( app_context, NULL, "SOPlugin", "SOPlugin", NULL, 0, &argc, argv ); - - - #ifdef ENABLE_GTK - // integrate Xt events into GTK event loop - GPollFD aXtPollDesc, aWakeupPollDesc; - - GSource* pXTSource = g_source_new( &aXtEventFuncs, sizeof(GSource) ); - if( !pXTSource ) - { - medDebug( 1, "could not get Xt GSource" ); - return 1; - } - - g_source_set_priority( pXTSource, GDK_PRIORITY_EVENTS ); - g_source_set_can_recurse( pXTSource, sal_True ); - g_source_attach( pXTSource, NULL ); - aXtPollDesc.fd = ConnectionNumber( pXtAppDisplay ); - aXtPollDesc.events = G_IO_IN; - aXtPollDesc.revents = 0; - g_source_add_poll( pXTSource, &aXtPollDesc ); - - gint xt_polling_timer_id = g_timeout_add( 25, pollXtTimerCallback, NULL); - // Initialize wakeup events listener - GSource *pWakeupSource = g_source_new( &aWakeupEventFuncs, sizeof(GSource) ); - if ( pWakeupSource == NULL ) - { - medDebug( 1, "could not get wakeup source" ); - return 1; - } - g_source_set_priority( pWakeupSource, GDK_PRIORITY_EVENTS); - g_source_attach( pWakeupSource, NULL ); - aWakeupPollDesc.fd = wakeup_fd[0]; - aWakeupPollDesc.events = G_IO_IN; - aWakeupPollDesc.revents = 0; - g_source_add_poll( pWakeupSource, &aWakeupPollDesc ); - - pAppDisplay = gdk_x11_display_get_xdisplay( gdk_display_get_default() ); - #else - pAppDisplay = pXtAppDisplay; - XtAppAddInput( app_context, - wakeup_fd[0], - (XtPointer)XtInputReadMask, - ThreadEventHandler, NULL ); - #endif - - // send that we are ready to go - MediatorMessage* pMessage = - pConnector->Transact( "init req", 8, - NULL ); - delete pMessage; - -#if OSL_DEBUG_LEVEL > 3 - int nPID = getpid(); - int nChild = fork(); - if( nChild == 0 ) - { - char pidbuf[16]; - char* pArgs[] = { "xterm", "-sl", "2000", "-sb", "-e", "gdb", "pluginapp.bin", pidbuf, NULL }; - sprintf( pidbuf, "%d", nPID ); - execvp( pArgs[0], pArgs ); - _exit(255); - } - else - sleep( 10 ); -#endif - - /* - * Loop for events. - */ - // for some reason XtAppSetExitFlag won't quit the application - // in ThreadEventHandler most of times; Xt will hang in select - // (hat is in XtAppNextEvent). Have our own mainloop instead - // of XtAppMainLoop - do - { - #ifdef ENABLE_GTK - g_main_context_iteration( NULL, sal_True ); - #else - XtAppProcessEvent( app_context, XtIMAll ); - #endif - } while( ! XtAppGetExitFlag( app_context ) && ! bPluginAppQuit ); - - medDebug( 1, "left plugin app main loop\n" ); - - #ifdef ENABLE_GTK - g_source_remove(xt_polling_timer_id); - #endif - - pNP_Shutdown(); - medDebug( 1, "NP_Shutdown done\n" ); - osl_unloadModule( pPluginLib ); - medDebug( 1, "plugin close\n" ); - - close( wakeup_fd[0] ); - close( wakeup_fd[1] ); - - return 0; -} - -#ifdef GCC -extern "C" { - void __pure_virtual() - {} - - void* __builtin_new( int nBytes ) - { return malloc(nBytes); } - void* __builtin_vec_new( int nBytes ) - { return malloc(nBytes); } - void __builtin_delete( char* pMem ) - { free(pMem); } - void __builtin_vec_delete( char* pMem ) - { free(pMem); } -} -#endif - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |