bool
GMPChild::Init(const std::string& aPluginPath,
base::ProcessHandle aParentProcessHandle,
MessageLoop* aIOLoop,
IPC::Channel* aChannel)
{
return LoadPluginLibrary(aPluginPath) &&
Open(aChannel, aParentProcessHandle, aIOLoop);
}
bool
GMPChild::Init(const std::string& aPluginPath,
base::ProcessHandle aParentProcessHandle,
MessageLoop* aIOLoop,
IPC::Channel* aChannel)
{
if (!Open(aChannel, aParentProcessHandle, aIOLoop)) {
return false;
}
#ifdef MOZ_CRASHREPORTER
SendPCrashReporterConstructor(CrashReporter::CurrentThreadId());
#endif
#if defined(XP_WIN)
mozilla::SandboxTarget::Instance()->StartSandbox();
#endif
return LoadPluginLibrary(aPluginPath);
}
bool NFCPluginManager::Awake()
{
LoadPluginConfig();
PluginNameMap::iterator it = mPluginNameMap.begin();
for (it; it != mPluginNameMap.end(); ++it)
{
#ifdef NF_DYNAMIC_PLUGIN
LoadPluginLibrary(it->first);
#else
LoadStaticPlugin(it->first);
#endif
}
PluginInstanceMap::iterator itAfterInstance = mPluginInstanceMap.begin();
for (itAfterInstance; itAfterInstance != mPluginInstanceMap.end(); itAfterInstance++)
{
itAfterInstance->second->Awake();
}
return true;
}
//=--------------------------------------------------------------------------=
// CNS4Adapter::NPP_Initialize
//=--------------------------------------------------------------------------=
// Provides global initialization for a plug-in, and returns an error value.
//
// This function is called once when a plug-in is loaded, before the first instance
// is created. m_pPluginManager and m_pPlugin are both initialized.
//
//
NPError
CNS4Adapter::NPP_Initialize(void)
{
TRACE("CNS4Adapter::NPP_Initialize\n");
ASSERT(m_pINS4AdapterPeer != NULL);
// Only call initialize the plugin if it hasn't been created.
// This could happen if GetJavaClass() is called before
// NPP Initialize.
if (m_pPluginManager == NULL)
{
// Create the plugin manager and plugin classes.
m_pPluginManager = new CNS4Adapter_PluginManager(m_pINS4AdapterPeer);
if (m_pPluginManager == NULL)
return NPERR_OUT_OF_MEMORY_ERROR;
m_pPluginManager->AddRef();
}
JDresult error = JD_OK;
// On UNIX the plugin might have been created when calling NPP_GetMIMEType.
if (m_pPlugin == NULL)
{
// create IPlugin factory from ns4 adapter
static NSGetFactoryProc pProc = NULL;
if (pProc == NULL)
{
// Load jpins32.dll
HINSTANCE hDLL = NULL;
if (LoadPluginLibrary(JPINS_SERVER_NAME, &hDLL) != ERROR_SUCCESS)
return (NPError)JD_ERROR_FAILURE;
// Get the proc address of NSGetFactory(IPluginServiceProvider*, IFactory**);
pProc = (NSGetFactoryProc)
GetProcAddress(hDLL, NSGetFactory_NAME );
if (pProc == NULL)
return NPERR_GENERIC_ERROR;
}
JDSmartPtr<IFactory> spIFactory;
JDSmartPtr<IPluginServiceProvider> spPluginServiceProvider(new CPluginServiceProvider(m_pPluginManager));
if (spPluginServiceProvider == NULL)
return (NPError)JD_ERROR_OUT_OF_MEMORY;
// Calling NSGetFactory to get a Factory object
error = pProc(spPluginServiceProvider, &spIFactory);
if (JD_SUCCEEDED(error) && spIFactory)
{
// Query IPlugin
error = spIFactory->QueryInterface(jIPluginIID, (void**)&m_pPlugin);
if (JD_SUCCEEDED(error) && m_pPlugin)
m_pPlugin->Initialize();
}
}
return (NPError) error;
}
bool sphPluginReload ( const char * sName, CSphString & sError )
{
#if !HAVE_DLOPEN
sError = "no dlopen(), no plugins";
return false;
#else
// find all plugins from the given library
CSphScopedLock<CSphMutex> tLock ( g_tPluginMutex );
CSphVector<PluginKey_t> dKeys;
CSphVector<PluginDesc_c*> dPlugins;
g_hPlugins.IterateStart();
while ( g_hPlugins.IterateNext() )
{
PluginDesc_c * v = g_hPlugins.IterateGet();
if ( v->GetLibName()==sName )
{
dKeys.Add ( g_hPlugins.IterateGetKey() );
dPlugins.Add ( g_hPlugins.IterateGet() );
}
}
// no plugins loaded? oops
if ( dPlugins.GetLength()==0 )
{
sError.SetSprintf ( "no active plugins loaded from %s", sName );
return false;
}
// load new library and check every plugin
#if !USE_WINDOWS
PluginLib_c * pNewLib = LoadPluginLibrary ( sName, sError, true );
#else
PluginLib_c * pNewLib = LoadPluginLibrary ( sName, sError );
#endif
if ( !pNewLib )
return false;
// load all plugins
CSphVector<PluginDesc_c*> dNewPlugins;
ARRAY_FOREACH ( i, dPlugins )
{
PluginDesc_c * pDesc = NULL;
const SymbolDesc_t * pSym = NULL;
switch ( dKeys[i].m_eType )
{
case PLUGIN_RANKER: pDesc = new PluginRanker_c ( pNewLib ); pSym = g_dSymbolsRanker; break;
case PLUGIN_INDEX_TOKEN_FILTER: pDesc = new PluginTokenFilter_c ( pNewLib ); pSym = g_dSymbolsTokenFilter; break;
case PLUGIN_QUERY_TOKEN_FILTER: pDesc = new PluginQueryTokenFilter_c ( pNewLib ); pSym = g_dSymbolsQueryTokenFilter; break;
case PLUGIN_FUNCTION: pDesc = new PluginUDF_c ( pNewLib, dPlugins[i]->GetUdfRetType() ); pSym = g_dSymbolsUDF; break;
default:
sphDie ( "INTERNAL ERROR: unknown plugin type %d in sphPluginReload()", (int)dKeys[i].m_eType );
return false;
}
if ( !PluginLoadSymbols ( pDesc, pSym, pNewLib->GetHandle(), dKeys[i].m_sName.cstr(), sError ) )
{
pDesc->Release();
break;
}
dNewPlugins.Add ( pDesc );
}
bool sphPluginCreate ( const char * szLib, PluginType_e eType, const char * sName, ESphAttr eUDFRetType, CSphString & sError )
{
#if !HAVE_DLOPEN
sError = "no dlopen(), no plugins";
return false;
#else
if ( !g_bPluginsEnabled )
{
sError = "plugin support disabled (requires a valid plugin_dir)";
return false;
}
// validate library name
for ( const char * p = szLib; *p; p++ )
if ( *p=='/' || *p=='\\' )
{
sError = "restricted character (path delimiter) in a library file name";
return false;
}
CSphString sLib = szLib;
sLib.ToLower();
// FIXME? preregister known rankers instead?
if ( eType==PLUGIN_RANKER )
{
for ( int i=0; i<SPH_RANK_TOTAL; i++ )
{
const char * r = sphGetRankerName ( ESphRankMode(i) );
if ( r && strcasecmp ( sName, r )==0 )
{
sError.SetSprintf ( "%s is a reserved ranker name", r );
return false;
}
}
}
// from here, we need a lock (we intend to update the plugin hash)
CSphScopedLock<CSphMutex> tLock ( g_tPluginMutex );
// validate function name
PluginKey_t k ( eType, sName );
if ( g_hPlugins(k) )
{
sError.SetSprintf ( "plugin '%s' already exists", k.m_sName.cstr() );
return false;
}
// lookup or load library
PluginLib_c * pLib = NULL;
if ( g_hPluginLibs ( sLib ) )
{
pLib = g_hPluginLibs [ sLib ];
pLib->AddRef();
} else
{
pLib = LoadPluginLibrary ( sLib.cstr(), sError );
if ( !pLib )
return false;
}
assert ( pLib->GetHandle() );
PluginDesc_c * pPlugin = NULL;
const SymbolDesc_t * pSym = NULL;
switch ( eType )
{
case PLUGIN_RANKER: pPlugin = new PluginRanker_c ( pLib ); pSym = g_dSymbolsRanker; break;
case PLUGIN_INDEX_TOKEN_FILTER: pPlugin = new PluginTokenFilter_c ( pLib ); pSym = g_dSymbolsTokenFilter; break;
case PLUGIN_QUERY_TOKEN_FILTER: pPlugin = new PluginQueryTokenFilter_c ( pLib ); pSym = g_dSymbolsQueryTokenFilter; break;
case PLUGIN_FUNCTION: pPlugin = new PluginUDF_c ( pLib, eUDFRetType ); pSym = g_dSymbolsUDF; break;
default:
sError.SetSprintf ( "INTERNAL ERROR: unknown plugin type %d in CreatePlugin()", (int)eType );
pLib->Release();
return false;
}
// release the refcount that this very function is holding
// or in other words, transfer the refcount to newly created plugin instance (it does its own addref)
pLib->Release();
if ( !PluginLoadSymbols ( pPlugin, pSym, pLib->GetHandle(), k.m_sName.cstr(), sError ) )
{
sError.SetSprintf ( "%s in %s", sError.cstr(), sLib.cstr() );
pPlugin->Release();
return false;
}
// add library if needed
if ( !g_hPluginLibs ( sLib ) )
{
Verify ( g_hPluginLibs.Add ( pLib, pLib->GetName() ) );
pLib->AddRef(); // the hash reference
}
// add function
Verify ( g_hPlugins.Add ( pPlugin, k ) );
pPlugin->GetLib()->m_iHashedPlugins++;
return true;
#endif // HAVE_DLOPEN
}
