//=============================================================================
// METHOD: SPELLlistenerContext::startContext
//=============================================================================
SPELLipcMessage SPELLlistenerContext::startContext( const SPELLipcMessage& msg )
{
std::string cmd;
std::string name;
name = msg.get(MessageField::FIELD_CTX_NAME);
cmd = SPELLutils::getSPELL_HOME() + PATH_SEPARATOR + "bin" + PATH_SEPARATOR
+ "SPELL-Context -n " + name + " -s " + ISTR(m_port)
+ " -c " + m_configFile;
DEBUG("Opening context using command: " + cmd);
std::string identifier = "CTX_" + name;
// Will have no effect if the listener is there already
SPELLprocessManager::instance().addListener("CTX_" + name, this);
// Clear process information, in case it is there already
SPELLprocessManager::instance().clearProcess(identifier);
// Register and start the process
SPELLprocessManager::instance().startProcess("CTX_" + name, cmd);
// Notify to other clients
SPELLipcMessage notify( msg );
notify.setId( ListenerMessages::MSG_CONTEXT_OP );
notify.setType( MSG_TYPE_ONEWAY );
notify.set( MessageField::FIELD_CTX_STATUS, MessageValue::DATA_CTX_STARTING );
notify.setSender("LST");
notify.setReceiver("GUI");
m_gui->displace(¬ify);
DEBUG("Wait context " + name + " login");
m_waitForContextStart.clear();
bool timeout = m_waitForContextStart.wait(15*1000);
DEBUG("Wait context " + name + " login done: timeout " + BSTR(timeout));
if (timeout)
{
SPELLipcMessage resp = SPELLipcHelper::createErrorResponse(ContextMessages::RSP_OPEN_CTX, msg);
resp.set( MessageField::FIELD_FATAL, PythonConstants::True);
resp.set( MessageField::FIELD_ERROR, "Cannot open context " + name);
resp.set( MessageField::FIELD_REASON, "Context did not log in in time");
return resp;
}
else
{
LOG_INFO("Context running");
return SPELLipcHelper::createResponse(ContextMessages::RSP_OPEN_CTX, msg);
}
}
//=============================================================================
// METHOD: SPELLexecutorIPC::
//=============================================================================
SPELLipcMessage SPELLexecutorIPC::sendRequest( const std::string& executorId, const SPELLipcMessage& msg, unsigned long timeoutMsec )
{
if (m_connected)
{
SPELLipcMessage toSend(msg);
return m_ipc.sendRequest(toSend,timeoutMsec);
}
else
{
SPELLipcMessage resp = SPELLipcHelper::createErrorResponse("IpcErrorResponse", msg);
resp.set( MessageField::FIELD_ERROR, "Cannot send request" );
resp.set( MessageField::FIELD_REASON, "IPC not connected");
resp.set( MessageField::FIELD_FATAL, PythonConstants::True );
return resp;
}
}
//=============================================================================
// METHOD: SPELLclientManager::
//=============================================================================
void SPELLclientManager::completeMonitoringInfo( const std::string& procId, SPELLipcMessage& msg )
{
std::list<std::string> monitoring = getMonitoringClients(procId);
std::list<std::string>::iterator it;
std::string monitoringList = "";
for( it = monitoring.begin(); it != monitoring.end(); it++)
{
if (monitoringList != "") monitoringList += ",";
monitoringList += (*it);
}
msg.set( MessageField::FIELD_GUI_LIST, monitoringList );
}
SPELLipcMessage* processRequest( SPELLipcMessage* msg )
{
SPELLipcMessage* resp = SPELLipcHelper::createResponse("dummy", msg);
try
{
std::cout << "request received from " << msg->getKey() << ": " << msg->get("NUM") << std::endl;
resp->setId("resp");
resp->setType(MSG_TYPE_RESPONSE);
resp->set("NUM", msg->get("NUM"));
usleep(200000);
}
catch(SPELLcoreException& ex)
{
std::cerr << "PROCESS ERROR: " << ex.what() << std::endl;
}
return resp;
};
//=============================================================================
// METHOD: SPELLlistenerContext::fillContextInfo
//=============================================================================
void SPELLlistenerContext::fillContextInfo(const std::string ctxName, SPELLipcMessage& msg )
{
std::string driverName;
SPELLcontextConfig* ctxConfig;
SPELLdriverConfig* drvConfig;
ContextInfo* ctxInfo;
ctxInfo = &m_openContexts[ctxName];
ctxConfig = ctxInfo->m_ctxConfig;
drvConfig = ctxInfo->m_drvConfig;
msg.set(MessageField::FIELD_CTX_NAME, ctxName);
msg.set( MessageField::FIELD_CTX_PORT, ISTR(ctxInfo->m_port) );
if (ctxConfig != NULL)
{
msg.set(MessageField::FIELD_CTX_DRV, ctxConfig->getDriverName());
msg.set(MessageField::FIELD_CTX_SC, ctxConfig->getSC());
msg.set(MessageField::FIELD_CTX_FAM, ctxConfig->getFamily());
msg.set(MessageField::FIELD_CTX_GCS, ctxConfig->getGCS());
msg.set(MessageField::FIELD_CTX_DESC, ctxConfig->getDescription());
msg.set(MessageField::FIELD_CTX_STATUS, ctxInfo->m_status);
}
else
{
msg.set(MessageField::FIELD_CTX_DRV, "Unknown");
msg.set(MessageField::FIELD_CTX_SC, "Unknown");
msg.set(MessageField::FIELD_CTX_FAM, "Unknown");
msg.set(MessageField::FIELD_CTX_GCS, "Unknown");
msg.set(MessageField::FIELD_CTX_DESC, "Unknown");
msg.set(MessageField::FIELD_CTX_STATUS, "ERROR");
}
if (drvConfig != NULL)
{
msg.set(MessageField::FIELD_CTX_MAXPROC, ISTR(drvConfig->getMaxProcs()));
}
else
{
msg.set(MessageField::FIELD_CTX_MAXPROC, "0" );
}
}
//=============================================================================
// 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;
}
