/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup net_app
 * @{
 */

/** @file
 * Generic application error printing functions implementation.
 */

#include "print_error.h"

#include <stdio.h>
#include <errno.h>

#include <net/icmp_codes.h>

/** Prints the specific ICMP error description.
 *
 * @param[in] output The description output stream. May be NULL.
 * @param[in] error_code The ICMP error code.
 * @param[in] prefix The error description prefix. May be NULL.
 * @param[in] suffix The error description suffix. May be NULL.
 */
void icmp_print_error(FILE *output, int error_code, const char *prefix, const char *suffix)
{
	if (!output)
		return;
	
	if (prefix)
		fprintf(output, "%s", prefix);
		
	switch (error_code) {
	case ICMP_DEST_UNREACH:
		fprintf(output, "ICMP Destination Unreachable (%d) error", error_code);
		break;
	case ICMP_SOURCE_QUENCH:
		fprintf(output, "ICMP Source Quench (%d) error", error_code);
		break;
	case ICMP_REDIRECT:
		fprintf(output, "ICMP Redirect (%d) error", error_code);
		break;
	case ICMP_ALTERNATE_ADDR:
		fprintf(output, "ICMP Alternate Host Address (%d) error", error_code);
		break;
	case ICMP_ROUTER_ADV:
		fprintf(output, "ICMP Router Advertisement (%d) error", error_code);
		break;
	case ICMP_ROUTER_SOL:
		fprintf(output, "ICMP Router Solicitation (%d) error", error_code);
		break;
	case ICMP_TIME_EXCEEDED:
		fprintf(output, "ICMP Time Exceeded (%d) error", error_code);
		break;
	case ICMP_PARAMETERPROB:
		fprintf(output, "ICMP Paramenter Problem (%d) error", error_code);
		break;
	case ICMP_CONVERSION_ERROR:
		fprintf(output, "ICMP Datagram Conversion Error (%d) error", error_code);
		break;
	case ICMP_REDIRECT_MOBILE:
		fprintf(output, "ICMP Mobile Host Redirect (%d) error", error_code);
		break;
	case ICMP_SKIP:
		fprintf(output, "ICMP SKIP (%d) error", error_code);
		break;
	case ICMP_PHOTURIS:
		fprintf(output, "ICMP Photuris (%d) error", error_code);
		break;
	default:
		fprintf(output, "Other (%d) error", error_code);
	}

	if (suffix)
		fprintf(output, "%s", suffix);
}

/** Prints the error description.
 *
 * Supports ICMP and socket error codes.
 *
 * @param[in] output The description output stream. May be NULL.
 * @param[in] error_code The error code.
 * @param[in] prefix The error description prefix. May be NULL.
 * @param[in] suffix The error description suffix. May be NULL.
 */
void print_error(FILE *output, int error_code, const char *prefix, const char *suffix)
{
	if (IS_ICMP_ERROR(error_code))
		icmp_print_error(output, error_code, prefix, suffix);
	else if(IS_SOCKET_ERROR(error_code))
		socket_print_error(output, error_code, prefix, suffix);
}

/** Prints the specific socket error description.
 *
 * @param[in] output The description output stream. May be NULL.
 * @param[in] error_code The socket error code.
 * @param[in] prefix The error description prefix. May be NULL.
 * @param[in] suffix The error description suffix. May be NULL.
 */
void socket_print_error(FILE *output, int error_code, const char *prefix, const char *suffix)
{
	if (!output)
		return;

	if (prefix)
		fprintf(output, "%s", prefix);

	switch (error_code) {
	case ENOTSOCK:
		fprintf(output, "Not a socket (%d) error", error_code);
		break;
	case EPROTONOSUPPORT:
		fprintf(output, "Protocol not supported (%d) error", error_code);
		break;
	case ESOCKTNOSUPPORT:
		fprintf(output, "Socket type not supported (%d) error", error_code);
		break;
	case EPFNOSUPPORT:
		fprintf(output, "Protocol family not supported (%d) error", error_code);
		break;
	case EAFNOSUPPORT:
		fprintf(output, "Address family not supported (%d) error", error_code);
		break;
	case EADDRINUSE:
		fprintf(output, "Address already in use (%d) error", error_code);
		break;
	case ENOTCONN:
		fprintf(output, "Socket not connected (%d) error", error_code);
		break;
	case NO_DATA:
		fprintf(output, "No data (%d) error", error_code);
		break;
	case EINPROGRESS:
		fprintf(output, "Another operation in progress (%d) error", error_code);
		break;
	case EDESTADDRREQ:
		fprintf(output, "Destination address required (%d) error", error_code);
	case EAGAIN:
		fprintf(output, "Try again (%d) error", error_code);
	default:
		fprintf(output, "Other (%d) error", error_code);
	}

	if (suffix)
		fprintf(output, "%s", suffix);
}

/** @}
 */