/* $Id: $ */
/* Project : miniupnp
 * website : http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
 * Author : Thomas BERNARD
 * copyright (c) 2005-2016 Thomas Bernard
 * This software is subjet to the conditions detailed in the
 * provided LICENCE file. */

#include <stdio.h>
#include "codelength.h"

#define NOTIF_NEW    1
#define NOTIF_UPDATE 2
#define NOTIF_REMOVE 3

void printresponse(const unsigned char * resp, int n)
{
	int i, l;
	int notif_type;
	unsigned int nresp;
	const unsigned char * p;

	if(n == 0)
		return;
	/* first, hexdump the response : */
	for(i = 0; i < n; i += 16) {
		printf("%06x | ", i);
		for(l = i; l < n && l < (i + 16); l++)
			printf("%02x ", resp[l]);
		while(l < (i + 16)) {
			printf("   ");
			l++;
		}
		printf("| ");
		for(l = i; l < n && l < (i + 16); l++)
			putchar((resp[l] >= ' ' && resp[l] < 128) ? resp[l] : '.');
		putchar('\n');
	}
	/* now parse and display all devices of response */
	nresp = resp[0]; /* 1st byte : number of devices in response */
	if(nresp == 0xff) {
		/* notification */
		notif_type = resp[1];
		nresp = resp[2];
		printf("Notification : ");
		switch(notif_type) {
		case NOTIF_NEW:	printf("new\n"); break;
		case NOTIF_UPDATE:	printf("update\n"); break;
		case NOTIF_REMOVE:	printf("remove\n"); break;
		default:	printf("**UNKNOWN**\n");
		}
		p = resp + 3;
	} else {
		p = resp + 1;
	}
	for(i = 0; i < (int)nresp; i++) {
		if(p >= resp + n)
			goto error;
		/*l = *(p++);*/
		DECODELENGTH(l, p);
		if(p + l > resp + n)
			goto error;
		printf("%d - %.*s\n", i, l, p); /* URL */
		p += l;
		if(p >= resp + n)
			goto error;
		/*l = *(p++);*/
		DECODELENGTH(l, p);
		if(p + l > resp + n)
			goto error;
		printf("    %.*s\n", l, p);	/* ST */
		p += l;
		if(p >= resp + n)
			goto error;
		/*l = *(p++);*/
		DECODELENGTH(l, p);
		if(p + l > resp + n)
			goto error;
		printf("    %.*s\n", l, p); /* USN */
		p += l;
	}
	return;
error:
	printf("*** WARNING : TRUNCATED RESPONSE ***\n");
}