actube/src/cw/conn_send_request.c

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/*
This file is part of libcapwap.
libcapwap 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 3 of the License, or
(at your option) any later version.
libcapwap 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*@file
*@brief conn_send_request
*/
#include "capwap.h"
#include "cw_util.h"
#include "cw_log.h"
/**
* Send a request message and wait for its response
* @param conn the connection
*
* The message has to be prepared and put to conn->req_msg
*
*/
struct cwrmsg * conn_send_request(struct conn * conn)
{
int i;
struct cwrmsg * cwrmsg;
struct cwmsg * cwmsg = &conn->req_msg;
for (i=0; i<conn->max_retransmit; i++) {
time_t r_timer = cw_timer_start(conn->retransmit_interval);
if (i!=0)
cw_dbg(DBG_MSG_ERR,"Retransmitting message, type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
conn_send_cwmsg(conn,&conn->req_msg);
cwrmsg = conn_wait_for_message(conn,r_timer);
if (cwrmsg){
if (cwrmsg->type == conn->req_msg.type+1){
return cwrmsg;
}
}
}
cw_dbg(DBG_MSG_ERR,"Max retransmit's reached, message type=%d,seq=%d",cwmsg->type,cwmsg->seqnum);
return 0;
}