fifo.c

用来作为linux中SIP SERVER,完成VOIP网络电话中服务器的功能

/*
 * allow_trusted fifo functions
 *
 * Copyright (C) 2003 Juha Heinanen
 *
 * This file is part of ser, a free SIP server.
 *
 * ser 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
 *
 * For a license to use the ser software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    [e-mail]
 *
 * ser 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/*
 * History:
 * --------
 *  2004-06-06  reload_trusted_table moved into trusted.c (andrei)
 */


#include "permissions.h"
#include "hash.h"
#include "fifo.h"
#include "trusted.h"
#include "../../fifo_server.h"
#include "../../dprint.h"
#include "../../db/db.h"


#define TRUSTED_RELOAD "trusted_reload"
#define TRUSTED_DUMP "trusted_dump"



/*
 * Fifo function to reload trusted table
 */
static int trusted_reload(FILE* pipe, char* response_file)
{
	if (reload_trusted_table () == 1) {
		fifo_reply (response_file, "200 OK\n");
		return 1;
	} else {
		fifo_reply (response_file, "400 Trusted table reload failed\n");
		return -1;
	}
}


/*
 * Fifo function to print trusted entries from current hash table
 */
static int trusted_dump(FILE* pipe, char* response_file)
{
	FILE *reply_file;
	
	reply_file = open_reply_pipe(response_file);
	if (reply_file == 0) {
		LOG(L_ERR, "domain_dump(): Opening of response file failed\n");
		return -1;
	}
	fputs("200 OK\n", reply_file);
	hash_table_print(*hash_table, reply_file);
	fclose(reply_file);
	return 1;
}


/*
 * Register domain fifo functions
 */
int init_trusted_fifo(void) 
{
	if (register_fifo_cmd(trusted_reload, TRUSTED_RELOAD, 0) < 0) {
		LOG(L_CRIT, "Cannot register trusted_reload\n");
		return -1;
	}

	if (register_fifo_cmd(trusted_dump, TRUSTED_DUMP, 0) < 0) {
		LOG(L_CRIT, "Cannot register trusted_dump\n");
		return -1;
	}

	return 1;
}