westell.c

wdiag-0.10.gz ( Diagnostic source )

/* Westell 6100 multicast data collection utility
 * Copyright: Josh Carroll ([e-mail])
 * 10/13/2004
 *
 * Thanks to LSorensen, mith, rkeene, and bgr on EFNet
 * #Linux for the help with my rusty C skills, and thanks
 * to dmonnier, Yock, no_strings, freerock, hondje, 
 * shenion, and shray on #ATU freenode.
 *
 * Also thanks to aedinius on #c on EFNet for helping clean the code
 *   up.
 *
 * westell.c 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, version 2.
 * 
 * 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
*/

#include "common.h"

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

	unsigned char *packet;
	int packet_size, gopt, decimal_print = 0;

	/* optional listen address */
	char *listen_addr = NULL;

	/* pointer to the current model for writing the stats */
	wmodel_t *pmodel;

	/* modem model information */
	struct modemdata wdata;

	/* for the config file */	
	wconf_t conf;

	/* model number passed on the command line */
	/* default to a value it will complain about to check
	 * for a valid number */
	int model = -1;
	
	/* first look to see if the person has a config file. if so, use
		any values specified there */
	if(read_config(&conf) == 0) {
		model = conf.model;
		decimal_print = conf.decimal;
		listen_addr = conf.laddr;			
	}

	/* requires the modem type */
	if(argv[1] == NULL && model == -1)
		usage(argv[0]);

	/* use getopt to get command line arguments */
	while((gopt = getopt(argc, argv, "m:dl:")) != EOF) {
		switch (gopt) {
			case 'm':
				model = atoi(optarg);
				break;
			case 'd':
				decimal_print = 1;
				break;
			case 'l':
				listen_addr = optarg;
				break;
		}
	}

	if(model == -1)
		usage(argv[0]);

	/* check for valid modem model number */
	if(model < 0 || model > MAX_MODEL_NUMBER) {
		printf("Invalid model type!\n");
		usage(argv[0]);
	}

	packet_size = models[model].packet_size;
	packet = malloc(packet_size);

	if(listen_for_mcast(model, packet, packet_size, listen_addr) == 0) {
		pmodel = &models[model];
		wdata.timectr = getfield(packet, &pmodel->timectr);
		wdata.snr_up = getfield(packet, &pmodel->snr_up);
		wdata.pwr_up = getfield(packet, &pmodel->pwr_up);
		wdata.attn_up = getfield(packet, &pmodel->attn_up);
		wdata.syncrate_up = getfield(packet, &pmodel->syncrate_up);
		wdata.snr_down = getfield(packet, &pmodel->snr_down);
		wdata.pwr_down = getfield(packet, &pmodel->pwr_down);
		wdata.attn_down = getfield(packet, &pmodel->attn_down);
		wdata.syncrate_down = getfield(packet, &pmodel->syncrate_down);
		wdata.fec_errors = getfield(packet, &pmodel->fec_errors);
		wdata.crc_errors = getfield(packet, &pmodel->crc_errors);
		wdata.hec_errors = getfield(packet, &pmodel->hec_errors);
		wdata.signal_lost = getfield(packet, &pmodel->signal_lost);
		wdata.frame_lost = getfield(packet, &pmodel->frame_lost);
		wdata.tx_cells = getfield(packet, &pmodel->tx_cells);
		wdata.rx_cells = getfield(packet, &pmodel->rx_cells);
		wdata.dropped_cells = getfield(packet, &pmodel->dropped_cells);
		wdata.ethernet_rx = getfield(packet, &pmodel->ethernet_rx);
		wdata.ethernet_tx = getfield(packet, &pmodel->ethernet_tx);
		wdata.ethernet_discard = getfield(packet, &pmodel->ethernet_discard);

		/* free the memory in the packet buffer */
		wfree(packet);

		/* now print the data collected */
		print_data(wdata, decimal_print);
	}
	return 0;
}