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/*
 * Asterisk -- A telephony toolkit for Linux.
 *
 * Execute arbitrary system commands
 * 
 * Copyright (C) 1999, Mark Spencer
 *
 * Mark Spencer <markster@linux-support.net>
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License
 */

#include <asterisk/lock.h>
#include <asterisk/file.h>
#include <asterisk/logger.h>
#include <asterisk/channel.h>
#include <asterisk/pbx.h>
#include <asterisk/module.h>
#include <asterisk/adsi.h>
#include <asterisk/options.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>

#include <pthread.h>


static char *tdesc = "Get ADSI CPE ID";

static char *app = "GetCPEID";

static char *synopsis = "Get ADSI CPE ID";

static char *descrip =
"  GetCPEID: Obtains and displays CPE ID and other information in order to\n"
"properly setup zapata.conf for on-hook operations.  Returns -1 on hanup\n"
"only.";

STANDARD_LOCAL_USER;

LOCAL_USER_DECL;

static int cpeid_setstatus(struct ast_channel *chan, char *stuff[], int voice)
{
	int justify[5] = { ADSI_JUST_CENT, ADSI_JUST_LEFT, ADSI_JUST_LEFT, ADSI_JUST_LEFT };
	char *tmp[5];
	int x;
	for (x=0;x<4;x++)
		tmp[x] = stuff[x];
	tmp[4] = NULL;
	return adsi_print(chan, tmp, justify, voice);
}

static int cpeid_exec(struct ast_channel *chan, void *idata)
{
	int res=0;
	struct localuser *u;
	unsigned char cpeid[4];
	int gotgeometry = 0;
	int gotcpeid = 0;
	int width, height, buttons;
	char data[4][80];
	char *stuff[4];

	LOCAL_USER_ADD(u);
	stuff[0] = data[0];
	stuff[1] = data[1];
	stuff[2] = data[2];
	stuff[3] = data[3];
	memset(data, 0, sizeof(data));
	strcpy(stuff[0], "** CPE Info **");
	strcpy(stuff[1], "Identifying CPE...");
	strcpy(stuff[2], "Please wait...");
	res = adsi_load_session(chan, NULL, 0, 1);
	if (res > 0) {
		cpeid_setstatus(chan, stuff, 0);
		res = adsi_get_cpeid(chan, cpeid, 0);
		if (res > 0) {
			gotcpeid = 1;
			if (option_verbose > 2)
				ast_verbose(VERBOSE_PREFIX_3 "Got CPEID of '%02x:%02x:%02x:%02x' on '%s'\n", cpeid[0], cpeid[1], cpeid[2], cpeid[3], chan->name);
		}
		if (res > -1) {
			strcpy(stuff[1], "Measuring CPE...");
			strcpy(stuff[2], "Please wait...");
			cpeid_setstatus(chan, stuff, 0);
			res = adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
			if (res > -1) {
				if (option_verbose > 2)
					ast_verbose(VERBOSE_PREFIX_3 "CPE has %d lines, %d columns, and %d buttons on '%s'\n", height, width, buttons, chan->name);
				gotgeometry = 1;
			}
		}
		if (res > -1) {
			if (gotcpeid)
				sprintf(stuff[1], "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
			else
				strcpy(stuff[1], "CPEID Unknown");
			if (gotgeometry) 
				sprintf(stuff[2], "Geom: %dx%d, %d buttons", width, height, buttons);
			else
				strcpy(stuff[2], "Geometry unknown");
			strcpy(stuff[3], "Press # to exit");
			cpeid_setstatus(chan, stuff, 1);
			for(;;) {
				res = ast_waitfordigit(chan, 1000);
				if (res < 0)
					break;
				if (res == '#') {
					res = 0;
					break;
				}
			}
			adsi_unload_session(chan);
		}
	}
	LOCAL_USER_REMOVE(u);
	return res;
}

int unload_module(void)
{
	STANDARD_HANGUP_LOCALUSERS;
	return ast_unregister_application(app);
}

int load_module(void)
{
	return ast_register_application(app, cpeid_exec, synopsis, descrip);
}

char *description(void)
{
	return tdesc;
}

int usecount(void)
{
	int res;
	STANDARD_USECOUNT(res);
	return res;
}

char *key()
{
	return ASTERISK_GPL_KEY;
}