giuliomoro@24: /* UDP client in the internet domain */
giuliomoro@24: #include <sys/types.h>
giuliomoro@24: #include <sys/socket.h>
giuliomoro@24: #include <netinet/in.h>
giuliomoro@24: #include <arpa/inet.h>
giuliomoro@24: #include <netdb.h>
giuliomoro@24: #include <stdio.h>
giuliomoro@24: #include <stdlib.h>
giuliomoro@24: #include <unistd.h>
giuliomoro@24: #include <string.h>
giuliomoro@24: 
giuliomoro@24: struct networkData{
giuliomoro@24: 	int *counter;
giuliomoro@24: 	float *variables[16];
giuliomoro@24: 	int numVariables;
giuliomoro@24: };
giuliomoro@41: #define NETWORK_AUDIO_BUFFER_SIZE 100 //1400/4 //maximum payload for a UDP datagram over ethernet is 1472 bytes, I leave some headroom and divide by 4 to get the number of floats
giuliomoro@41: struct networkAudio{
giuliomoro@41: 	int timestamp;
giuliomoro@41: 	int currentBuffer;
giuliomoro@41: 	int index;
giuliomoro@41: 	float buffers[2][NETWORK_AUDIO_BUFFER_SIZE];
giuliomoro@41: 	int doneOnTime;
giuliomoro@54: 	bool toBeSent;
giuliomoro@54: 	UdpClient udpClient;
giuliomoro@41: };
giuliomoro@24: 
giuliomoro@24: void error(const char *);
giuliomoro@24: int setupSockets(int receivePort, int transmitPort, char const*serverName);
giuliomoro@24: int sendMessage(networkData message);
giuliomoro@41: int sendAudio(networkAudio *audio);
giuliomoro@24: int receiveMessage(networkData message);
giuliomoro@24: void closeSockets();