//=============================================================================
// METHOD: SPELLclientIPC::
//=============================================================================
SPELLipcMessage SPELLclientIPC::processRequest( const SPELLipcMessage& msg )
{
int clientKey = msg.getKey();
DEBUG("[CLTRCV] Received request from client: " + msg.getId());
SPELLipcMessage resp = VOID_MESSAGE;
SPELLclientInterestList* list = getClientInterestList(clientKey);
// If the message is a login message, redirect it to the client manager
if (msg.getId() == ContextMessages::REQ_GUI_LOGIN)
{
SPELLclientManager::instance().clientLogin(clientKey, msg.get( MessageField::FIELD_HOST ));
resp = SPELLipcHelper::createResponse(ContextMessages::RSP_GUI_LOGIN, msg);
}
// If the message is a logout message, redirect it to the client manager
else if (msg.getId() == ContextMessages::REQ_GUI_LOGOUT )
{
// No need to close IPC here. When the GUI receives the response,
// it will close the channel by sending EOC. There, IPC layer will
// automatically close the corresponding channel.
SPELLclientManager::instance().clientLogout(clientKey);
resp = SPELLipcHelper::createResponse(ContextMessages::RSP_GUI_LOGOUT, msg);
}
else if (list != NULL)
{
//DEBUG("[CLTRCV] Distribute client request: " + msg.getId());
resp = list->distributeRequest(msg);
//DEBUG("[CLTRCV] Got response for client request: " + msg.getId());
// Executor request additional processing (request attended by executor that need to be processed in context also)
// But only if the response is not an error
if (resp.getType() != MSG_TYPE_ERROR)
{
if (msg.getId() == ExecutorMessages::REQ_SET_CONFIG)
{
SPELLipcMessage cfgChange( msg );
cfgChange.setId( ContextMessages::MSG_EXEC_CONFIG );
cfgChange.setType( MSG_TYPE_ONEWAY );
SPELLclientManager::instance().notifyMonitoringClients(&cfgChange);
}
}
if (resp.isVoid())
{
LOG_ERROR("Unable to get response for client request " + msg.getId());
}
}
else
{
LOG_ERROR("No listeners for client " + ISTR(clientKey) + " to distribute request: " + msg.getId());
}
return resp;
}
//=============================================================================
// METHOD: SPELLclient::
//=============================================================================
SPELLipcMessage SPELLclient::processRequestFromClient( const SPELLipcMessage& msg )
{
//DEBUG(" Client request start");
// Create the login message
std::string requestId = msg.getId();
SPELLipcMessage resp = VOID_MESSAGE;
try
{
if ( requestId == ContextMessages::REQ_INSTANCE_ID )
{
resp = SPELLcontext::instance().getInstanceId( msg );
}
else if ( requestId == ContextMessages::REQ_OPEN_EXEC )
{
resp = SPELLcontext::instance().openExecutor( msg, this );
}
else if ( requestId == ContextMessages::REQ_CLOSE_EXEC )
{
resp = SPELLcontext::instance().closeExecutor( msg );
}
else if ( requestId == ContextMessages::REQ_KILL_EXEC )
{
resp = SPELLcontext::instance().killExecutor( msg );
}
else if ( requestId == ContextMessages::REQ_ATTACH_EXEC )
{
resp = SPELLcontext::instance().attachExecutor( msg, this );
}
else if ( requestId == ContextMessages::REQ_DETACH_EXEC )
{
resp = SPELLcontext::instance().detachExecutor( msg, this );
}
else if (msg.getId() == ContextMessages::REQ_RECOVER_EXEC)
{
resp = SPELLcontext::instance().recoverExecutor( msg, this );
}
else if (msg.getId() == ContextMessages::REQ_PROC_LIST)
{
resp = SPELLcontext::instance().getProcedureList( msg );
}
else if (msg.getId() == ContextMessages::REQ_EXEC_LIST)
{
resp = SPELLcontext::instance().getExecutorList( msg );
}
else if (msg.getId() == ContextMessages::REQ_PROC_PROP)
{
resp = SPELLcontext::instance().getProcedureProperties( msg );
}
else if (msg.getId() == ContextMessages::REQ_PROC_CODE)
{
resp = SPELLcontext::instance().getProcedureCode( msg );
}
else if (msg.getId() == ContextMessages::REQ_EXEC_INFO)
{
resp = SPELLcontext::instance().getExecutorInfo( msg );
}
else if (msg.getId() == ContextMessages::REQ_CLIENT_INFO)
{
resp = SPELLcontext::instance().getClientInfo( msg );
}
else if (msg.getId() == ContextMessages::REQ_SERVER_FILE_PATH)
{
resp = SPELLcontext::instance().getServerFilePath( msg );
}
else if (msg.getId() == ContextMessages::REQ_RECOVERY_LIST)
{
resp = SPELLcontext::instance().getProcedureRecoveryList( msg );
}
else if (msg.getId() == ContextMessages::REQ_ASRUN_LIST)
{
resp = SPELLcontext::instance().getProcedureAsRunList( msg );
}
else if (msg.getId() == ContextMessages::REQ_DELETE_RECOVERY )
{
resp = SPELLcontext::instance().deleteRecoveryFiles(msg);
}
else if (msg.getId() == ContextMessages::REQ_REMOVE_CONTROL )
{
resp = SPELLcontext::instance().removeControl(msg);
}
else if (msg.getId() == ContextMessages::REQ_SET_BACKGROUND )
{
resp = SPELLcontext::instance().setExecutorInBackground(msg);
}
else if (msg.getId() == ContextMessages::REQ_LIST_FILES )
{
resp = SPELLcontext::instance().listFiles(msg);
}
else if (msg.getId() == ContextMessages::REQ_LIST_DATADIRS )
{
resp = SPELLcontext::instance().listDataDirectories(msg);
}
else if (msg.getId() == ContextMessages::REQ_INPUT_FILE )
{
resp = SPELLcontext::instance().getInputFile(msg);
}
else if (msg.getId() == ContextMessages::REQ_CURRENT_TIME )
{
resp = SPELLcontext::instance().getCurrentTime(msg);
}
else if ( requestId == ContextMessages::REQ_DEL_SHARED_DATA )
{
resp = SPELLcontext::instance().clearSharedData(msg);
}
else if ( requestId == ContextMessages::REQ_SET_SHARED_DATA )
{
resp = SPELLcontext::instance().setSharedData(msg);
}
else if ( requestId == ContextMessages::REQ_GET_SHARED_DATA )
{
resp = SPELLcontext::instance().getSharedData(msg);
}
else if ( requestId == ContextMessages::REQ_GET_SHARED_DATA_KEYS )
{
resp = SPELLcontext::instance().getSharedDataKeys(msg);
}
else if ( requestId == ContextMessages::REQ_GET_SHARED_DATA_SCOPES )
{
resp = SPELLcontext::instance().getSharedDataScopes(msg);
}
else if ( requestId == ContextMessages::REQ_DEL_SHARED_DATA_SCOPE )
{
resp = SPELLcontext::instance().removeSharedDataScope(msg);
}
else if ( requestId == ContextMessages::REQ_ADD_SHARED_DATA_SCOPE )
{
resp = SPELLcontext::instance().addSharedDataScope(msg);
}
else if ( requestId == ContextMessages::REQ_GET_CTX_EXEC_DFLT )
{
resp = SPELLcontext::instance().getExecutorDefaults(msg);
}
else if ( requestId == ContextMessages::REQ_SET_CTX_EXEC_DFLT )
{
resp = SPELLcontext::instance().setExecutorDefaults(msg);
}
else
{
// Forward the request to the executor
std::string procId = msg.get( MessageField::FIELD_PROC_ID );
try
{
DEBUG( NAME + "Forward request to executor " + procId +": " + msg.getId());
SPELLexecutor* exec = SPELLexecutorManager::instance().getExecutor(procId);
resp = exec->sendRequestToExecutor(msg);
if (resp.isVoid())
{
LOG_ERROR("Unable to obtain response for client request " + msg.getId() + " from executor ");
}
}
catch( SPELLcoreException& ex )
{
LOG_ERROR( NAME + "Unable to send request to executor '" + procId + "', unable to find");
std::string id = msg.getId();
SPELLutils::replace(id, "REQ", "RSP");
resp = SPELLipcHelper::createErrorResponse(id,msg);
resp.set(MessageField::FIELD_ERROR, "Unable to send request to executor " + procId);
resp.set(MessageField::FIELD_REASON, "Cannot find the executor");
resp.set(MessageField::FIELD_FATAL, PythonConstants::True );
}
}
}
catch(SPELLexecutorManager::OperationError& err)
{
LOG_ERROR( NAME + "Error in client request processing " + ISTR(err.errorCode));
std::string id = msg.getId();
SPELLutils::replace(id, "REQ", "RSP");
resp = SPELLipcHelper::createErrorResponse(id,msg);
resp.set(MessageField::FIELD_ERROR, "Error in client processing");
resp.set(MessageField::FIELD_REASON, err.message);
resp.set(MessageField::FIELD_FATAL, PythonConstants::True);
}
catch(...)
{
LOG_ERROR( NAME + "Unknown error in client request processing");
std::string id = msg.getId();
SPELLutils::replace(id, "REQ", "RSP");
resp = SPELLipcHelper::createErrorResponse(id,msg);
resp.set(MessageField::FIELD_ERROR, "Error in client processing");
resp.set(MessageField::FIELD_REASON, "Unknown reason");
resp.set(MessageField::FIELD_FATAL, PythonConstants::True);
}
//DEBUG(" Client request end");
return resp;
}
