#include <Core/Core.h>
#include <arpa/inet.h>

using namespace Upp;


CONSOLE_APP_MAIN
{
	int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	if(sock < 0) {
		RLOG("SOCK ERROR");
		return;
	}

	sockaddr_in srvadr;
	srvadr.sin_family = AF_INET;
	srvadr.sin_port = htons(9999);
	srvadr.sin_addr.s_addr = htonl(INADDR_ANY);
	if(bind(sock, (sockaddr *) &srvadr, sizeof(srvadr)) != 0) {
		RLOG("SOCK BIND ERROR");
		close(sock);
		return;
	}
	
	struct sockaddr addr;
	socklen_t addr_size = sizeof(addr);
	char buff[256];
	
	while(1){	
		ssize_t len = recvfrom(sock, buff, sizeof(buff), 0, &addr, &addr_size); 
		if (len > 0){
			Cout() << Format("%d.%d.%d.%d: '%s'", 
				addr.sa_data[2], addr.sa_data[3], addr.sa_data[4], addr.sa_data[5], String(buff, len));
		}
	}

	close(sock);
}