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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2010 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <errno.h>
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#include <assert.h>
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#include "xwrelay.h"
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#ifndef DEFAULT_PORT
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# define DEFAULT_PORT 10998
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#endif
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#ifndef DEFAULT_HOST
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# define DEFAULT_HOST "localhost"
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#endif
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/*
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* Query:
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* list of all public games by language and number of players
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*
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* For debugging (localhost only, maybe)
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* count of all games in-play (cid!=null)
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*/
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static void
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usage( const char * const argv0 )
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{
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fprintf( stderr, "usage: %s \\\n", argv0 );
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fprintf( stderr, "\t[-p <port>] # (default %d)\\\n", DEFAULT_PORT );
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fprintf( stderr, "\t[-a <host>] # (default: %s)\\\n", DEFAULT_HOST );
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fprintf( stderr, "\t-r # list open public rooms\\\n" );
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exit( 1 );
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}
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static void
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do_rooms( int sockfd )
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{
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unsigned char byt = 0; /* protocol */
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write( sockfd, &byt, sizeof(byt) );
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byt = PRX_PUBROOMS;
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write( sockfd, &byt, sizeof(byt) );
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}
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int
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main( int argc, char * const argv[] )
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{
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int port = DEFAULT_PORT;
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bool doRooms = false;
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const char* host = DEFAULT_HOST;
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for ( ; ; ) {
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int opt = getopt( argc, argv, "a:p:r" );
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if ( opt < 0 ) {
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break;
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}
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switch ( opt ) {
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case 'a':
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host = optarg;
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break;
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case 'p':
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port = atoi(optarg);
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break;
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case 'r':
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doRooms = true;
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break;
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default:
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usage( argv[0] );
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break;
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}
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}
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fprintf( stderr, "got port %d, host %s\n", port, host );
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int sockfd = socket( AF_INET, SOCK_STREAM, 0 );
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struct sockaddr_in to_sock;
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memset( &to_sock, 0, sizeof(to_sock) );
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to_sock.sin_family = AF_INET;
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to_sock.sin_port = htons( port );
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struct hostent* hostip;
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hostip = gethostbyname( host );
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memcpy( &(to_sock.sin_addr.s_addr), hostip->h_addr_list[0],
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sizeof(hostip->h_addr_list[0] ) );
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if ( 0 != connect( sockfd, (const struct sockaddr*)&to_sock,
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sizeof(to_sock) ) ) {
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fprintf( stderr, "connect failed: %d (%s)\n", errno, strerror(errno) );
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exit( 1 );
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}
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if ( doRooms ) {
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do_rooms( sockfd );
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} else {
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usage( argv[0] );
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}
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close( sockfd );
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return 0;
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}
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