/*
 * In this module we implement the sending of MNCC_DISC_REQ,
 * signaling a caller-requested disconnect aka hang-up.
 * It is the graceful way of signaling disconnect,
 * as opposed to simply killing the test call process with ^C
 * and letting themwi-mncc handle the broken socket.
 */

#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "../include/mncc.h"
#include "../include/gsm48_const.h"

int disconnect_mode;

void
send_disconnect_req()
{
	struct gsm_mncc msg;

	printf("Sending disconnect request\n");
	bzero(&msg, sizeof(struct gsm_mncc));
	msg.msg_type = MNCC_DISC_REQ;
	msg.callref = 1;
	mncc_set_cause(&msg, GSM48_CAUSE_LOC_USER,
			GSM48_CC_CAUSE_NORM_CALL_CLEAR);
	send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
	disconnect_mode = 1;
}

void
disconnect_command()
{
	if (disconnect_mode) {
		printf("Already in disconnect mode, command ignored\n");
		return;
	}
	send_disconnect_req();
}