extensions/source/plugin/unx/sysplug.cxx

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  27
  28 // MARKER(update_precomp.py): autogen include statement, do not remove
  29 #include "precompiled_extensions.hxx"
  30 #include <cstdarg>
  31
  32 #include <sys/types.h>
  33 #include <signal.h>
  34 #include <sys/wait.h>
  35 #include <osl/file.hxx>
  36 #include <osl/thread.h>
  37 #include <rtl/bootstrap.hxx>
  38
  39 #include <plugin/impl.hxx>
  40
  41 int UnxPluginComm::nConnCounter = 0;
  42
  43 UnxPluginComm::UnxPluginComm(
  44                              const String& /*mimetype*/,
  45                              const String& library,
  46                              XLIB_Window aParent,
  47                              int nDescriptor1,
  48                              int nDescriptor2
  49                              ) :
  50         PluginComm( ::rtl::OUStringToOString( library, osl_getThreadTextEncoding() ), false ),
  51         PluginConnector( nDescriptor2 )
  52 {
  53     char pDesc[32];
  54     char pWindow[32];
  55     sprintf( pWindow, "%d", (int)aParent );
  56     sprintf( pDesc, "%d", nDescriptor1 );
  57     ByteString aLib( library, osl_getThreadTextEncoding() );
  58     rtl::OString path;
  59     if (!getPluginappPath(&path)) {
  60         fprintf( stderr, "cannot construct path to pluginapp.bin\n" );
  61         m_nCommPID = -1;
  62         return;
  63     }
  64
  65     char const* pArgs[5];
  66     pArgs[0] = path.getStr();
  67     pArgs[1] = pDesc;
  68     pArgs[2] = aLib.GetBuffer();
  69     pArgs[3] = pWindow;
  70     pArgs[4] = NULL;
  71
  72 #if OSL_DEBUG_LEVEL > 1
  73     m_nCommPID = 10;
  74     fprintf( stderr, "Try to launch: %s %s %s %s, descriptors are %d, %d\n", pArgs[0], pArgs[1], pArgs[2], pArgs[3], nDescriptor1, nDescriptor2 );
  75 #endif
  76
  77     if( ! ( m_nCommPID = fork() ) )
  78       {
  79          execvp( pArgs[0], const_cast< char ** >(pArgs) );
  80           fprintf( stderr, "Error: could not exec %s\n", pArgs[0] );
  81           _exit(255);
  82       }
  83
  84     if( m_nCommPID != -1 )
  85     {
  86         // wait for pluginapp.bin to start up
  87         if( ! WaitForMessage( 5000 ) )
  88         {
  89             fprintf( stderr, "Timeout on command: %s %s %s %s\n", pArgs[0], pArgs[1], pArgs[2], pArgs[3] );
  90             invalidate();
  91         }
  92         else
  93         {
  94             MediatorMessage* pMessage = GetNextMessage( TRUE );
  95             Respond( pMessage->m_nID,
  96                      const_cast<char*>("init ack"),8,
  97                      NULL );
  98             delete pMessage;
  99             NPP_Initialize();
 100         }
 101     }
 102 }
 103
 104 UnxPluginComm::~UnxPluginComm()
 105 {
 106     NPP_Shutdown();
 107     if( m_nCommPID != -1 && m_nCommPID != 0 )
 108     {
 109         int status = 16777216;
 110         pid_t nExit = waitpid( m_nCommPID, &status, WUNTRACED );
 111 #if OSL_DEBUG_LEVEL > 1
 112         fprintf( stderr, "child %d (plugin app child %d) exited with status %d\n", nExit, m_nCommPID, WEXITSTATUS(status) );
 113 #else
 114         (void)nExit;
 115 #endif
 116     }
 117 }
 118
 119 bool UnxPluginComm::getPluginappPath(rtl::OString * path) {
 120     OSL_ASSERT(path != NULL);
 121     rtl::OUString p(
 122         RTL_CONSTASCII_USTRINGPARAM("$OOO_BASE_DIR/program/pluginapp.bin"));
 123     rtl::Bootstrap::expandMacros(p);
 124     return
 125         (osl::FileBase::getSystemPathFromFileURL(p, p) ==
 126          osl::FileBase::E_None) &&
 127         p.convertToString(
 128             path, osl_getThreadTextEncoding(),
 129             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
 130              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR));
 131 }