static struct list *construct_components(void)
{
struct list *head = NULL, *preload_entry;
ComponentHandlePtr component_handle;
/* In Chromium OS, the OMX IL Client will call preload_components()
* so that the preload_list is already populated. In non-chrome case,
* we need to create the list here */
if (!preload_list) {
if (!create_preload_list()) {
omx_verboseLog("error: Preload list cannot be populated");
}
}
list_foreach(preload_list, preload_entry) {
CModule *cmodule;
struct list *entry;
OMX_ERRORTYPE ret;
component_handle = (ComponentHandlePtr) preload_entry->data;
/* skip libraries starting with # */
if (component_handle->comp_name[0] == '#')
continue;
cmodule = new CModule(component_handle->comp_name);
if (!cmodule)
continue;
omx_verboseLog("found component library %s", component_handle->comp_name);
ret = cmodule->Load(MODULE_NOW, component_handle->comp_handle);
if (ret != OMX_ErrorNone)
goto delete_cmodule;
ret = cmodule->SetParser(component_handle->parser_handle);
if (ret != OMX_ErrorNone)
goto delete_cmodule;
ret = cmodule->QueryComponentNameAndRoles();
if (ret != OMX_ErrorNone)
goto unload_cmodule;
entry = list_alloc(cmodule);
if (!entry)
goto unload_cmodule;
head = __list_add_tail(head, entry);
omx_verboseLog("module %s:%s added to component list",
cmodule->GetLibraryName(), cmodule->GetComponentName());
continue;
unload_cmodule:
cmodule->Unload();
delete_cmodule:
delete cmodule;
}
oexINT CService::RunModule( CStr x_sModule, CStr x_sCommandLine, oexCPVOID x_pData, oexGUID *x_pguidType, oexINT x_nIdleDelay, oexINT x_nFlags )
{
// Load the module
CModule mod;
if ( !mod.Load( x_sModule.Ptr() ) )
{ oexERROR( 0, oexMks( oexT( "Failed to load module " ), x_sModule ) );
return -1;
} // end if
service::PFN_SRV_GetModuleInfo pGetModuleInfo =
(service::PFN_SRV_GetModuleInfo)mod.AddFunction( oexT( "SRV_GetModuleInfo" ) );
if ( !oexCHECK_PTR( pGetModuleInfo ) )
{ oexERROR( 0, oexMks( oexT( "Module '" ), x_sModule, oexT( "' does not contain symbol SRV_GetModuleInfo()" ) ) );
return -2;
} // end if
// Get module information
service::SSrvInfo si;
oexZeroMemory( &si, sizeof( si ) );
if ( oexINT ret = pGetModuleInfo( &si ) )
{ oexERROR( ret, oexMks( oexT( "Module '" ), x_sModule, oexT( "', SRV_GetModuleInfo() failed by returning non-zero" ) ) );
return -3;
} // end if
// Verify correct module type
if ( oexCHECK_PTR( x_pguidType ) && !guid::CmpGuid( x_pguidType, &si.guidType ) )
{ oexERROR( 0, oexMks( oexT( "Module '" ), x_sModule, oexT( "', incorrect module type, " ),
CStr().GuidToString( x_pguidType ), oexT( " != " ), CStr().GuidToString( &si.guidType ) ) );
return -4;
} // end if
// Log information about the module
oexNOTICE( 0, CStr().Fmt( oexT( "Module Loaded: '%s'\r\n"
"Command Line: '%s'\r\n"
"Name: %s\r\n"
"Version: %d.%d\r\n"
"Description: %s\r\n"
"Type: %s\r\n"
"ID: %s\r\n"
"Instance: %s\r\n" ),
oexStrToMbPtr( x_sModule.Ptr() ),
oexStrToMbPtr( x_sCommandLine.Ptr() ),
si.szName,
oexVERSION_MAJOR( si.lVer ), oexVERSION_MINOR( si.lVer ),
si.szDesc,
oexStrToMbPtr( CStr().GuidToString( &si.guidType ).Ptr() ),
oexStrToMbPtr( CStr().GuidToString( &si.guidId ).Ptr() ),
oexStrToMbPtr( CStr().GuidToString( &si.guidInstance ).Ptr() ) ) );
// Load start function
service::PFN_SRV_Start pStart =
(service::PFN_SRV_Start)mod.AddFunction( oexT( "SRV_Start" ) );
if ( !oexCHECK_PTR( pStart ) )
oexWARNING( 0, CStr().Fmt( oexT( "Symbol SRV_Start() not found in module '%s'" ),
oexStrToMbPtr( x_sModule.Ptr() ) ) );
// Call start function if provided
else if ( oexINT ret = pStart( CMem::GetRawAllocator(), x_sModule.Ptr(), x_sCommandLine.Ptr(), x_sCommandLine.Length(), x_pData ) )
{ oexNOTICE( ret, CStr().Fmt( oexT( "Exiting because SRV_Start() returned non-zero in module %s" ),
oexStrToMbPtr( x_sModule.Ptr() ) ) );
return 0;
} // end if
oexNOTICE( 0, CStr().Fmt( oexT( "Module '%s' started successfully" ),
oexStrToMbPtr( x_sModule.Ptr() ) ) );
// Load idle function
service::PFN_SRV_Idle pIdle =
(service::PFN_SRV_Idle)mod.AddFunction( oexT( "SRV_Idle" ) );
if ( !oexCHECK_PTR( pIdle ) )
oexWARNING( 0, CStr().Fmt( oexT( "Symbol SRV_Idle() not found in module '%s'" ),
oexStrToMbPtr( x_sModule.Ptr() ) ) );
// Run idle loop if function provided
else
while ( !pIdle() )
os::CSys::Sleep( x_nIdleDelay );
// Check for stop function
service::PFN_SRV_Stop pStop =
(service::PFN_SRV_Stop)mod.AddFunction( oexT( "SRV_Stop" ) );
if ( !oexCHECK_PTR( pStop ) )
{ oexWARNING( 0, CStr().Fmt( oexT( "Symbol SRV_Stop() not found in module '%s'" ),
oexStrToMbPtr( x_sModule.Ptr() ) ) );
return 0;
} // end if
// Call stop function
return pStop();
}
static struct list *construct_components(const char *config_file_name)
{
FILE *config_file;
char library_name[OMX_MAX_STRINGNAME_SIZE];
char config_file_path[256];
struct list *head = NULL;
strncpy(config_file_path, "/etc/", 256);
strncat(config_file_path, config_file_name, 256);
config_file = fopen(config_file_path, "r");
if (!config_file) {
strncpy(config_file_path, "./", 256);
strncat(config_file_path, config_file_name, 256);
config_file = fopen(config_file_path, "r");
if (!config_file) {
ALOGE("not found file %s\n", config_file_name);
return NULL;
}
}
while (fscanf(config_file, "%s", library_name) > 0) {
CModule *cmodule;
struct list *entry;
OMX_ERRORTYPE ret;
library_name[OMX_MAX_STRINGNAME_SIZE-1] = '\0';
/* skip libraries starting with # */
if (library_name[0] == '#')
continue;
cmodule = new CModule(&library_name[0]);
if (!cmodule)
continue;
ALOGI("found component library %s\n", library_name);
ret = cmodule->Load(MODULE_LAZY);
if (ret != OMX_ErrorNone)
goto delete_cmodule;
ret = cmodule->QueryComponentNameAndRoles();
if (ret != OMX_ErrorNone)
goto unload_cmodule;
entry = list_alloc(cmodule);
if (!entry)
goto unload_cmodule;
head = __list_add_tail(head, entry);
cmodule->Unload();
ALOGI("module %s:%s added to component list\n",
cmodule->GetLibraryName(), cmodule->GetComponentName());
continue;
unload_cmodule:
cmodule->Unload();
delete_cmodule:
delete cmodule;
}
fclose(config_file);
return head;
}