NetworkListener.cpp

#include "WPILib.h"

class NetworkListener {


public:
    NetworkListener () {
    }

        int findtargets() {
                struct sockaddr_in serverAddr;
                //struct sockaddr_in clientAddr;

                int sockAddrSize;
                int sockFd;
                //Timer t = new Timer();

                SmartDashboard::PutString("Data Recvd", "initializing");
                sockAddrSize = sizeof(struct sockaddr_in);
                bzero((char *) &serverAddr, sockAddrSize);
                serverAddr.sin_family = AF_INET;
                serverAddr.sin_len = (u_char) sockAddrSize;
                serverAddr.sin_port = htons(1140);
                serverAddr.sin_addr.s_addr = htonl(INADDR_ANY);

                if ((sockFd = socket(AF_INET, SOCK_DGRAM, 0)) == ERROR) {
                        SmartDashboard::PutString("Data Recvd", "socket error");
                        return(1);
                }

                if (bind(sockFd, (struct sockaddr *) &serverAddr, sockAddrSize) == ERROR) {
                        SmartDashboard::PutString("Data Recvd", "bind error"); 
                        return(1);
                }

                SmartDashboard::PutString("Data Recvd", "waiting...");
                //int bytesRecvd = 0;
                //char buf[256];
                //t.start();
                /*while (buf[0] != '2' || !t.HasPeriodPassed(5.0)) {
                        memset(buf, 0, sizeof(buf));
                        if ((bytesRecvd = recvfrom(sockFd, buf, 255, 0, (struct sockaddr *) &clientAddr, &sockAddrSize)) == ERROR) {
                                SmartDashboard::PutString("Data Recvd", "recv error");
                                return(1);
                        }
                }*/

                //t.stop()

                return(0);

            }
};