server/socket/metaserver.c

/*
 * static char *rcsid_metaserver_c =
 *    "$Id$";
 */

/*
    CrossFire, A Multiplayer game for X-windows

    Copyright (C) 2002 Mark Wedel & Crossfire Development Team
    Copyright (C) 1992 Frank Tore Johansen

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    The authors can be reached via e-mail at crossfire-devel@real-time.com
*/

/**
 * \file
 * \date 2003-12-02
 * Meta-server related functions.
 */

#include <global.h>

#ifndef WIN32 /* ---win32 exclude unix header files */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>

#endif /* end win32 */

static int metafd=-1;
static struct sockaddr_in sock;

/**
 * Connects to metaserver.
 *
 * Its only called once.  If we are not
 * trying to contact the metaserver of the connection attempt fails, metafd will be
 * set to -1.  We use this instead of messing with the settings.meta_on so that
 * that can be examined to at least see what the user was trying to do.
 */
void metaserver_init(void)
{

#ifdef WIN32 /* ***win32 metaserver_init(): init win32 socket */
        struct hostent *hostbn;
        int temp = 1;   
#endif

    if (!settings.meta_on) {
        metafd=-1;
        return;
    }

    if (isdigit(settings.meta_server[0]))
        sock.sin_addr.s_addr = inet_addr(settings.meta_server);
    else {
        struct hostent *hostbn = gethostbyname(settings.meta_server);
        if (hostbn == NULL) {
            LOG(llevDebug,"metaserver_init: Unable to resolve hostname %s\n", settings.meta_server);
            return;
        }
        memcpy(&sock.sin_addr, hostbn->h_addr, hostbn->h_length);
    }
#ifdef WIN32 /* ***win32 metaserver_init(): init win32 socket */
    ioctlsocket(metafd, FIONBIO , &temp);
#else 
    fcntl(metafd, F_SETFL, O_NONBLOCK);
#endif
    if ((metafd=socket(AF_INET, SOCK_DGRAM, 0))==-1) {
        LOG(llevDebug,"metaserver_init: Unable to create socket, err %d\n", errno);
        return;
    }
    sock.sin_family = AF_INET;
    sock.sin_port = htons(settings.meta_port);

    /* No hostname specified, so lets try to figure one out */
    if (settings.meta_host[0]==0) {
        char hostname[MAX_BUF], domain[MAX_BUF];
        if (gethostname(hostname, MAX_BUF-1)) {
            LOG(llevDebug,"metaserver_init: gethostname failed - will not report hostname\n");
            return;
        }

#ifdef WIN32 /* ***win32 metaserver_init(): gethostbyname! */
        hostbn = gethostbyname(hostname);
        if (hostbn != (struct hostent *) NULL) /* quick hack */
                memcpy(domain, hostbn->h_addr, hostbn->h_length);

        if (hostbn == (struct hostent *) NULL) {
#else
        if (getdomainname(domain, MAX_BUF-1)) {
#endif /* win32 */
            LOG(llevDebug,"metaserver_init: getdomainname failed - will not report hostname\n");
            return;
        }
        /* Potential overrun here but unlikely to occur */
        sprintf(settings.meta_host,"%s.%s", hostname, domain);
    }
}

/**
 * Updates our info in the metaserver
 */
void metaserver_update(void)
{
    char data[MAX_BUF], num_players=0;
    player *pl;

    if (metafd == -1) return;   /* No valid connection */

    /* We could use socket_info.nconns, but that is not quite as accurate,
     * as connections in the progress of being established, are listening
     * but don't have a player, etc.  The checks below are basically the
     * same as for the who commands with the addition that WIZ, AFK, and BOT
     * players are not counted.
     */
    for (pl=first_player; pl!=NULL; pl=pl->next) {
        if (pl->ob->map == NULL) continue;
        if (pl->hidden) continue;
        if (QUERY_FLAG(pl->ob, FLAG_WIZ)) continue;
        if (QUERY_FLAG(pl->ob, FLAG_AFK)) continue;
        if (pl->state != ST_PLAYING && pl->state != ST_GET_PARTY_PASSWORD) continue;
        //if (pl->socket.is_bot) continue;
        num_players++;
    }

    sprintf(data,"%s|%d|%s|%s|%d|%d|%ld", settings.meta_host, num_players, VERSION "+", 
            settings.meta_comment, cst_tot.ibytes, cst_tot.obytes,
            (long)time(NULL) - cst_tot.time_start);
    if (sendto(metafd, data, strlen(data), 0, (struct sockaddr *)&sock, sizeof(sock))<0) {
        LOG(llevDebug,"metaserver_update: sendto failed, err = %d\n", errno);
    }
}

Revision:	1.10
Committed:	Sun Aug 13 17:16:06 2006 UTC (17 years, 9 months ago) by elmex
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.9:	+0 -0 lines
State:	*FILE REMOVED*
Log Message:	Made server compile with C++. Removed cfanim plugin and crossedit. C++ here we come.
#	Content
1	/*
2	* static char *rcsid_metaserver_c =
3	* "$Id$";
4	*/
5
6	/*
7	CrossFire, A Multiplayer game for X-windows
8
9	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
10	Copyright (C) 1992 Frank Tore Johansen
11
12	This program is free software; you can redistribute it and/or modify
13	it under the terms of the GNU General Public License as published by
14	the Free Software Foundation; either version 2 of the License, or
15	(at your option) any later version.
16
17	This program is distributed in the hope that it will be useful,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20	GNU General Public License for more details.
21
22	You should have received a copy of the GNU General Public License
23	along with this program; if not, write to the Free Software
24	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26	The authors can be reached via e-mail at crossfire-devel@real-time.com
27	*/
28
29	/**
30	* \file
31	* \date 2003-12-02
32	* Meta-server related functions.
33	*/
34
35	#include <global.h>
36
37	#ifndef WIN32 /* ---win32 exclude unix header files */
38	#include <sys/types.h>
39	#include <sys/socket.h>
40	#include <netinet/in.h>
41	#include <netdb.h>
42	#include <arpa/inet.h>
43
44	#endif /* end win32 */
45
46	static int metafd=-1;
47	static struct sockaddr_in sock;
48
49	/**
50	* Connects to metaserver.
51	*
52	* Its only called once. If we are not
53	* trying to contact the metaserver of the connection attempt fails, metafd will be
54	* set to -1. We use this instead of messing with the settings.meta_on so that
55	* that can be examined to at least see what the user was trying to do.
56	*/
57	void metaserver_init(void)
58	{
59
60	#ifdef WIN32 /* **win32 metaserver_init(): init win32 socket /
61	struct hostent *hostbn;
62	int temp = 1;
63	#endif
64
65	if (!settings.meta_on) {
66	metafd=-1;
67	return;
68	}
69
70	if (isdigit(settings.meta_server[0]))
71	sock.sin_addr.s_addr = inet_addr(settings.meta_server);
72	else {
73	struct hostent *hostbn = gethostbyname(settings.meta_server);
74	if (hostbn == NULL) {
75	LOG(llevDebug,"metaserver_init: Unable to resolve hostname %s\n", settings.meta_server);
76	return;
77	}
78	memcpy(&sock.sin_addr, hostbn->h_addr, hostbn->h_length);
79	}
80	#ifdef WIN32 /* **win32 metaserver_init(): init win32 socket /
81	ioctlsocket(metafd, FIONBIO , &temp);
82	#else
83	fcntl(metafd, F_SETFL, O_NONBLOCK);
84	#endif
85	if ((metafd=socket(AF_INET, SOCK_DGRAM, 0))==-1) {
86	LOG(llevDebug,"metaserver_init: Unable to create socket, err %d\n", errno);
87	return;
88	}
89	sock.sin_family = AF_INET;
90	sock.sin_port = htons(settings.meta_port);
91
92	/* No hostname specified, so lets try to figure one out */
93	if (settings.meta_host[0]==0) {
94	char hostname[MAX_BUF], domain[MAX_BUF];
95	if (gethostname(hostname, MAX_BUF-1)) {
96	LOG(llevDebug,"metaserver_init: gethostname failed - will not report hostname\n");
97	return;
98	}
99
100	#ifdef WIN32 /* **win32 metaserver_init(): gethostbyname! /
101	hostbn = gethostbyname(hostname);
102	if (hostbn != (struct hostent ) NULL) / quick hack */
103	memcpy(domain, hostbn->h_addr, hostbn->h_length);
104
105	if (hostbn == (struct hostent *) NULL) {
106	#else
107	if (getdomainname(domain, MAX_BUF-1)) {
108	#endif /* win32 */
109	LOG(llevDebug,"metaserver_init: getdomainname failed - will not report hostname\n");
110	return;
111	}
112	/* Potential overrun here but unlikely to occur */
113	sprintf(settings.meta_host,"%s.%s", hostname, domain);
114	}
115	}
116
117	/**
118	* Updates our info in the metaserver
119	*/
120	void metaserver_update(void)
121	{
122	char data[MAX_BUF], num_players=0;
123	player *pl;
124
125	if (metafd == -1) return; /* No valid connection */
126
127	/* We could use socket_info.nconns, but that is not quite as accurate,
128	* as connections in the progress of being established, are listening
129	* but don't have a player, etc. The checks below are basically the
130	* same as for the who commands with the addition that WIZ, AFK, and BOT
131	* players are not counted.
132	*/
133	for (pl=first_player; pl!=NULL; pl=pl->next) {
134	if (pl->ob->map == NULL) continue;
135	if (pl->hidden) continue;
136	if (QUERY_FLAG(pl->ob, FLAG_WIZ)) continue;
137	if (QUERY_FLAG(pl->ob, FLAG_AFK)) continue;
138	if (pl->state != ST_PLAYING && pl->state != ST_GET_PARTY_PASSWORD) continue;
139	//if (pl->socket.is_bot) continue;
140	num_players++;
141	}
142
143	sprintf(data,"%s\|%d\|%s\|%s\|%d\|%d\|%ld", settings.meta_host, num_players, VERSION "+",
144	settings.meta_comment, cst_tot.ibytes, cst_tot.obytes,
145	(long)time(NULL) - cst_tot.time_start);
146	if (sendto(metafd, data, strlen(data), 0, (struct sockaddr *)&sock, sizeof(sock))<0) {
147	LOG(llevDebug,"metaserver_update: sendto failed, err = %d\n", errno);
148	}
149	}
150