mumble.c

/*
 * qstat
 * by Steve Jankowski
 *
 * Mumble protocol
 * Copyright 2012 Steven Hartland
 *
 * Licensed under the Artistic License, see LICENSE.txt for license terms
 *
 */

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef _WIN32
 #include <arpa/inet.h>
#endif

#include "debug.h"
#include "qstat.h"
#include "packet_manip.h"

query_status_t
send_mumble_request_packet(struct qserver *server)
{
	return (send_packet(server, server->type->status_packet, server->type->status_len));
}


query_status_t
deal_with_mumble_packet(struct qserver *server, char *rawpkt, int pktlen)
{
	// skip unimplemented ack, crc, etc
	char *pkt = rawpkt;
	char bandwidth[11];
	char version[12];

	server->ping_total += time_delta(&packet_recv_time, &server->packet_time1);
	if ((24 != pktlen) || (0 != memcmp(pkt + 4, server->type->status_packet + 4, 8))) {
		// unknown packet
		return (PKT_ERROR);
	}

	// version
	server->protocol_version = ntohl(*(unsigned long *)pkt);
	sprintf(version, "%u.%u.%u", (unsigned char)*pkt + 1, (unsigned char)*pkt + 2, (unsigned char)*pkt + 3);
	add_rule(server, "version", version, NO_FLAGS);
	pkt += 4;

	// ident
	pkt += 8;

	// num players
	server->num_players = ntohl(*(unsigned long *)pkt);
	pkt += 4;

	// max players
	server->max_players = ntohl(*(unsigned long *)pkt);
	pkt += 4;

	// allowed bandwidth
	sprintf(bandwidth, "%d", ntohl(*(unsigned long *)pkt));
	add_rule(server, "allowed_bandwidth", bandwidth, NO_FLAGS);
	pkt += 4;

	// Unknown details
	server->map_name = strdup("N/A");
	server->server_name = strdup("Unknown");
	add_rule(server, "gametype", "Unknown", NO_FLAGS);

	return (DONE_FORCE);
}