/*
 * DAHDI Monitoring E1
 *
 * Written by vahid abdi <vahidabdinet@gmail.com>
 *
 * Copyright © 2000-2008 Saeian Ertebat Corporation, All Rights Reserved
 *
 * This program 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.
 *
 * This program 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 manual; if not, see
 * <http://www.gnu.org/licenses/>.
 */

#include <unistd.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <dahdi/user.h>

static int ctl = -1;
static struct dahdi_spaninfo s[DAHDI_MAX_SPANS];
static const char *prog_name;

void print_usage(FILE *stream)
{
    extern const char *prog_name;
    fprintf (stream, "%s [-s span_number]\n", prog_name);
    exit (EXIT_FAILURE);
}

int main(int argc, char *argv[])
{

    int res;
    int c;
    int span_no;

    prog_name = argv[0];

    if (argc == 1)
        print_usage(stderr);

    while (( c = getopt(argc, argv, "s:")) != -1) {
        switch (c) {
        case 's':
            span_no = atoi(optarg);
            break;
        default:
            print_usage(stderr);
            break;
        }
    }

    ctl = open("/dev/dahdi/ctl", O_RDWR | O_NONBLOCK);
    if (ctl < 0) {
        fprintf(stderr, "Unable to open /dev/dahdi/ctl: %s\n", strerror(errno));
        exit(1);
    }

    s[span_no].spanno = span_no;
    res = ioctl(ctl, DAHDI_SPANSTAT, &s[span_no]);
    if (res)
        fprintf(stderr, "Unable to get span info on span %d: %s\n", span_no, strerror(errno));

    printf ("\n***** E1 Alarms (Framer) *****\n");
    printf ("LOS:\t%s\n", s[span_no].alarms & DAHDI_ALARM_LOS?"ON": "OFF");
    printf ("RED:\t%s\t| AIS:\t%s\n", s[span_no].alarms & DAHDI_ALARM_RED?"ON": "OFF", \
                                      s[span_no].alarms & DAHDI_ALARM_BLUE?"ON": "OFF");
    printf ("LOF:\t%s\n", s[span_no].alarms & DAHDI_ALARM_LFA?"ON": "OFF");
    printf ("\nIRQ Missess\t%d\n", s[span_no].irqmisses);
    printf ("\n***** E1 Performance Monitoring Counters *****\n\n");
    printf ("Framing error counter: %d\n", s[span_no].fecount);
    printf ("Coding violations counter: %d\n", s[span_no].cvcount);
    printf ("current FAS error count: %d\n", s[span_no].fascount);
    printf ("current CRC4 error count: %d\n\n", s[span_no].crc4count);

    return 0;
}