Ejemplo n.º 1
0
int main(int argc, char* argv[]) {
	pthread_mutex_t mutex_lock = PTHREAD_MUTEX_INITIALIZER;
	socklen_t clilen;
	struct sockaddr_in cli_addr;
	int newsockfd = 0;
	int senttuples = 0;
	// Check parameter
	if (argc < 2) {
		cout << "You have to provider input data file name as a parameter." << endl;
		return 0;
	}
	int second_increment = 0;
	int nseconds = 10; // 1 minute
	int port = atoi(argv[3]);
	int tupleRate = atoi(argv[2]);
	char* dataFile = argv[1];
	//CLRDataProvider
	CLRDataProvider* provider = new CLRDataProvider();
	//Initialize the provider
	cout << "Initializing..." << endl;
	int ret = provider->Initialize(dataFile, 40000, &mutex_lock);
	//Allocate caller's buffer
	if (ret != SUCCESS) {
		ErrorHandler(ret);
		return 0;
	}
	int sockfd = init_connection_server(port);
	if (sockfd < 0) {
		provider->Uninitialize();
		delete provider;
		return -1;
	}
	newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
	if (newsockfd < 0) {
		perror("ERROR on accept");
		provider->Uninitialize();
		delete provider;
		return -1;
	}
	//Using the provider
	if (provider->PrepareData(provider) != SUCCESS) {
		close(newsockfd);
		close(sockfd);
		provider->Uninitialize();
		delete provider;
		return -1;
	}
	int totalDuration = 6 * 60 * 1000;
	int currentDuration = 0;
	int nTuplesRead = 0;
	char* str = new char[1024];
	int mseconds = 1000;
	int nTuplesToSend = 1;
	float sleep_time = 1000 * 1/(double) tupleRate;
	cout << "Sleep_time " << sleep_time << " tupleRate " << tupleRate << endl; 
	if (sleep_time < 1) {
		nTuplesToSend = (int) ceil(1/sleep_time);
		sleep_time = 1;
	}
	cout << "Sleeping " << sleep_time << " sending tuples " << nTuplesToSend << " at a time" << endl;
	for (currentDuration =0; currentDuration <= totalDuration; currentDuration += sleep_time) {
		// Sleep s seconds
		usleep(1000*sleep_time);
		int nMaxTuples = nTuplesToSend;
		LPTuple lpTuples = new Tuple[nMaxTuples];
		int ret;
		int nTuplesSent = 0;
		//Gets available data
		ret = provider->GetData(lpTuples, nMaxTuples, nTuplesRead);
		if (ret < 0) {
			//Handle errors including eof
			ErrorHandler(ret);
			break;
		}
		if (nTuplesRead == 0) {
			//No tuple available
			//cout << "No buffer is available!" << endl;
			continue;
		}
		nTuplesSent+= nTuplesRead;

		//Using the return data
		struct timeval start;
		gettimeofday(&start, NULL);
		memset(str, '\0', 1024);
		for (int i = 0; i < nTuplesRead; i++) {
			senttuples++;
			memset(str, '\0', 1024);
			sprintf(str, "%d,%ld,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
                				 lpTuples[i].m_iType, (start.tv_sec) * 1000 + (start.tv_usec) / 1000,  lpTuples[i].m_iVid,
                				 lpTuples[i].m_iSpeed,  lpTuples[i].m_iXway,  lpTuples[i].m_iLane,
                 				 lpTuples[i].m_iDir,  lpTuples[i].m_iSeg,  lpTuples[i].m_iPos, lpTuples[i].m_iTime,
                 				 lpTuples[i].m_iQid,  lpTuples[i].m_iSinit,  lpTuples[i].m_iSend,
                 				 lpTuples[i].m_iDow,  lpTuples[i].m_iTod,  lpTuples[i].m_iDay);
			// send on the network
			int n = write(newsockfd, str, strlen(str));
			if (n < 0) {
				cout <<"ERROR writing to socket" << endl;
			}
		}
		if (nTuplesRead < nMaxTuples) {
			//Last tuple has been read
			cout << "Read of last tuple!" << endl;
			continue;
		}
		delete lpTuples;
	}
	//Uninitialize the provider
	cout << "Uninitialize..." << endl;
	provider->Uninitialize();
	delete provider;
	close(newsockfd);
	close(sockfd);

	return 0;
}
Ejemplo n.º 2
0
int main(int argc, char* argv[])
{
	pthread_mutex_t  mutex_lock = PTHREAD_MUTEX_INITIALIZER;

	// Check parameter
	if (argc < 2)
	{
	  cout << "You have to provide the input data file name as a commad line argument." << endl;
	  return 0;

	}

	char* dataFile = argv[1];
        int64_t eventCnt = 0;

	//CLRDataProvider
	CLRDataProvider* provider = new CLRDataProvider();
	
	//Initialize the provider
	cout << "Initializing..." << endl;
	int ret = provider->Initialize(dataFile, 10000, &mutex_lock);

	//Allocate caller's buffer
	if ( ret != SUCCESS )
	  {	
	    ErrorHandler(ret);
	    return 0;

	  }
	else
	{
		//Using the provider
		if( provider->PrepareData(provider) == SUCCESS )
		{
			int		nTuplesRead = 0;
			int		nMaxTuples  = 100;
			LPTuple lpTuples = new LRTuple[nMaxTuples ];
			
			int seconds = 0;
			long emittedCarEventsCnt = 0;

			for(;;) {
				// Get a random number between 5 and 15
				srand(time(NULL));
				int s =  (int) ((((double) rand())/ RAND_MAX) * 10) + 5;

				// Sleep s seconds
				sleep(s);
				int ret;
			  
				for(;;) {
					//Gets available data
					ret = provider->GetData(lpTuples, nMaxTuples, nTuplesRead);

					if ( ret < 0 ) {
						//Handle erros including eof
						ErrorHandler(ret);
						break;
					}

					if ( nTuplesRead == 0 ) {
						//No tuple available
						break;
					}
					
					//Using the return data
					for(int i = 0; i < nTuplesRead; i++ ) {
						eventCnt++;

						// Always print the very first event.
						// After that, print only once for every 500K events.
						if ((eventCnt == 1ul) || ((eventCnt % 500000ul) == 0ul))  {
					 		time_t now = time(0);
					 		struct tm  tstruct;
					 		char       buf[80];
					 		tstruct = *localtime(&now);
					 		strftime(buf, sizeof(buf), "%Y-%m-%d.%X", &tstruct);
					 		char* str =  lpTuples[i].ToString();
					 		cout << string(buf) << "     " << eventCnt << "-->" << str << endl;
					 		delete str;
						}

					 	emittedCarEventsCnt++;
					}

					if ( nTuplesRead < nMaxTuples ) 
					{
						//Last tuple has been read
						break;
					}
				}

				if ( ret < SUCCESS )
				{				
					break;
				}

				seconds += s;
				cout << seconds << " seconds have passed. Number of car events emitted=" << emittedCarEventsCnt << endl;
			}
		}
		
		//Uninitialize the provider
		cout << "Uninitialize..." << endl;
		provider->Uninitialize();
	}

	delete provider;
	
	return 0;
}