#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include "icmp_server.h"
#include "util.h"


int main(void) {
	int sock = icmp_server_open_socket();
	if (sock < 0) {
		perror("icmp_server_open_socket");
		return 1;
	}

	while (true) {
		struct icmp_server_incoming msg = icmp_server_receive(sock);
		if (msg.data == NULL) {
			perror("icmp_server_communicate");
			return 1;
		}

		printf("Received: type %d   id %d   seqnum %d   data:\n", msg.type, msg.id, msg.seqnum);
		xxd(msg.data, msg.length);

		if (msg.type != ICMP_ECHO) {
			printf("Not an ICMP_ECHO, ignoring\n");
			continue;
		}

		if (icmp_server_send_reply(sock, msg.source_addr, msg.id, msg.seqnum, "dank je wel", 11) < 0) {
			perror("icmp_server_send_reply");
		}
	}

	close(sock);
}