/*
 * dmq module - distributed message queue
 *
 * Copyright (C) 2011 Bucur Marius - Ovidiu
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio 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
 *
 * Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */


#include "../../core/parser/parse_to.h"
#include "../../core/parser/parse_uri.h"
#include "../../core/parser/parse_content.h"
#include "../../core/parser/parse_from.h"
#include "../../core/ut.h"
#include "dmq.h"
#include "worker.h"
#include "peer.h"
#include "message.h"

str dmq_200_rpl = str_init("OK");
str dmq_400_rpl = str_init("Bad request");
str dmq_500_rpl = str_init("Server Internal Error");
str dmq_404_rpl = str_init("User Not Found");

/**
 * @brief config function to handle dmq messages
 */
int ki_dmq_handle_message_rc(sip_msg_t *msg, int returnval)
{
	dmq_peer_t *peer;
	if((parse_sip_msg_uri(msg) < 0) || (!msg->parsed_uri.user.s)) {
		LM_ERR("error parsing msg uri\n");
		goto error;
	}
	LM_DBG("dmq_handle_message [%.*s %.*s]\n",
			msg->first_line.u.request.method.len,
			msg->first_line.u.request.method.s,
			msg->first_line.u.request.uri.len, msg->first_line.u.request.uri.s);
	/* the peer id is given as the userinfo part of the request URI */
	peer = find_peer(msg->parsed_uri.user);
	if(!peer) {
		LM_DBG("no peer found for %.*s\n", msg->parsed_uri.user.len,
				msg->parsed_uri.user.s);
		if(slb.freply(msg, 404, &dmq_404_rpl) < 0) {
			LM_ERR("sending reply\n");
			goto error;
		}
		return returnval;
	}
	LM_DBG("dmq_handle_message peer found: %.*s\n", msg->parsed_uri.user.len,
			msg->parsed_uri.user.s);
	if(add_dmq_job(msg, peer) < 0) {
		LM_ERR("failed to add dmq job\n");
		goto error;
	}
	return returnval;
error:
	return -1;
}


int ki_dmq_handle_message(sip_msg_t *msg)
{
	return ki_dmq_handle_message_rc(msg, 0);
}

int w_dmq_handle_message(struct sip_msg *msg, char *str1, char *str2)
{
	int i = 0;
	if(str1) {
		if(get_int_fparam(&i, msg, (fparam_t*)str1)<0) return -1;
	}
	if(i>1) i = 1;
	return ki_dmq_handle_message_rc(msg, i);
}

int dmq_handle_message(struct sip_msg *msg, char *str1, char *str2)
{
	return ki_dmq_handle_message_rc(msg, 0);
}