extensions/source/plugin/unx/sysplug.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_extensions.hxx"
  33 #include <cstdarg>
  34
  35 #include <sys/types.h>
  36 #include <signal.h>
  37 #include <sys/wait.h>
  38 #include <osl/file.hxx>
  39 #include <osl/thread.h>
  40 #include <rtl/bootstrap.hxx>
  41
  42 #include <plugin/impl.hxx>
  43
  44 int UnxPluginComm::nConnCounter = 0;
  45
  46 UnxPluginComm::UnxPluginComm(
  47                              const String& /*mimetype*/,
  48                              const String& library,
  49                              XLIB_Window aParent,
  50                              int nDescriptor1,
  51                              int nDescriptor2
  52                              ) :
  53         PluginComm( ::rtl::OUStringToOString( library, osl_getThreadTextEncoding() ), false ),
  54         PluginConnector( nDescriptor2 )
  55 {
  56     char pDesc[32];
  57     char pWindow[32];
  58     sprintf( pWindow, "%d", (int)aParent );
  59     sprintf( pDesc, "%d", nDescriptor1 );
  60     ByteString aLib( library, osl_getThreadTextEncoding() );
  61     rtl::OString path;
  62     if (!getPluginappPath(&path)) {
  63         fprintf( stderr, "cannot construct path to pluginapp.bin\n" );
  64         m_nCommPID = -1;
  65         return;
  66     }
  67
  68     char const* pArgs[5];
  69     pArgs[0] = path.getStr();
  70     pArgs[1] = pDesc;
  71     pArgs[2] = aLib.GetBuffer();
  72     pArgs[3] = pWindow;
  73     pArgs[4] = NULL;
  74
  75 #if OSL_DEBUG_LEVEL > 1
  76     m_nCommPID = 10;
  77     fprintf( stderr, "Try to launch: %s %s %s %s, descriptors are %d, %d\n", pArgs[0], pArgs[1], pArgs[2], pArgs[3], nDescriptor1, nDescriptor2 );
  78 #endif
  79
  80     if( ! ( m_nCommPID = fork() ) )
  81       {
  82          execvp( pArgs[0], const_cast< char ** >(pArgs) );
  83           fprintf( stderr, "Error: could not exec %s\n", pArgs[0] );
  84           _exit(255);
  85       }
  86
  87     if( m_nCommPID != -1 )
  88     {
  89         // wait for pluginapp.bin to start up
  90         if( ! WaitForMessage( 5000 ) )
  91         {
  92             fprintf( stderr, "Timeout on command: %s %s %s %s\n", pArgs[0], pArgs[1], pArgs[2], pArgs[3] );
  93             invalidate();
  94         }
  95         else
  96         {
  97             MediatorMessage* pMessage = GetNextMessage( TRUE );
  98             Respond( pMessage->m_nID,
  99                      const_cast<char*>("init ack"),8,
 100                      NULL );
 101             delete pMessage;
 102             NPP_Initialize();
 103         }
 104     }
 105 }
 106
 107 UnxPluginComm::~UnxPluginComm()
 108 {
 109     NPP_Shutdown();
 110     if( m_nCommPID != -1 && m_nCommPID != 0 )
 111     {
 112         int status = 16777216;
 113         pid_t nExit = waitpid( m_nCommPID, &status, WUNTRACED );
 114 #if OSL_DEBUG_LEVEL > 1
 115         fprintf( stderr, "child %d (plugin app child %d) exited with status %d\n", nExit, m_nCommPID, WEXITSTATUS(status) );
 116 #else
 117         (void)nExit;
 118 #endif
 119     }
 120 }
 121
 122 bool UnxPluginComm::getPluginappPath(rtl::OString * path) {
 123     OSL_ASSERT(path != NULL);
 124     rtl::OUString p(
 125         RTL_CONSTASCII_USTRINGPARAM("$OOO_BASE_DIR/program/pluginapp.bin"));
 126     rtl::Bootstrap::expandMacros(p);
 127     return
 128         (osl::FileBase::getSystemPathFromFileURL(p, p) ==
 129          osl::FileBase::E_None) &&
 130         p.convertToString(
 131             path, osl_getThreadTextEncoding(),
 132             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
 133              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR));
 134 }