int main() {
//create tcp socket and establish a connection
TCPServerSocket tcpServerSocket;
int ret = tcpServerSocket.initialize();
ASSERT(ret == 0);
int serverUdpPort = tcpServerSocket.negotiate();
ASSERT(serverUdpPort > 1024);
tcpServerSocket.close();
//open a udp socket and listen for str
UDPSocket udpSocket;
ret = udpSocket.open(serverUdpPort);
ASSERT(ret == 0);
LOG("Server opened UDP Port %i\n", serverUdpPort);
char buf[1024];
unsigned long remoteIp;
int remotePort;
//read, reverse string and send it back to client
int readBytes = udpSocket.read(buf, 1024, remoteIp, remotePort);
buf[readBytes] = '\0';
ASSERT(readBytes > 0);
LOG("Server Received: %s\n", buf);
//Reverse the string and write to the buffer again
str_reverse(buf);
int writeBytes = udpSocket.write(remoteIp, remotePort, (const char *) buf, readBytes);
ASSERT(writeBytes > 0);
LOG("Server sent: %s\n", buf);
udpSocket.close();
return 0;
}
