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

#include "icmp.h"
#include "icmp_types.h"
#include "internal/ping/output.h"

/* Forward declarations */
static const char *error_msg_for(const icmp_reply_t *reply);
/* -------------------- */

void
ping_output_error(const icmp_reply_t *reply,
		const icmp_offending_packet_t *offending,
		uint16_t seq, const t_ping_config *config)
{
	char	from_str[INET_ADDRSTRLEN];

	(void)offending;
	(void)config;
	inet_ntop(AF_INET, &reply->from, from_str, sizeof(from_str));
	fprintf(stderr, "From %s: icmp_seq=%u %s\n",
		from_str, (unsigned int)seq, error_msg_for(reply));
}

static const char *
error_msg_for(const icmp_reply_t *reply)
{
	if (ICMP_TYPE_TIME_EXCEEDED == reply->type)
		return ("Time to live exceeded");
	if (ICMP_CODE_HOST_UNREACHABLE == reply->code)
		return ("Destination Host Unreachable");
	return ("Destination Net Unreachable");
}