app_getcpeid.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 1999 - 2005, Digium, Inc.
 *
 * Mark Spencer <[email protected]>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */

/*! \file
 *
 * \brief Get ADSI CPE ID
 *
 * \author Mark Spencer <[email protected]>
 *
 * \ingroup applications
 */

/*** MODULEINFO
   <depend>res_adsi</depend>
   <support_level>deprecated</support_level>
 ***/

#include "asterisk.h"

#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/adsi.h"

/*** DOCUMENTATION
   <application name="GetCPEID" language="en_US">
      <synopsis>
         Get ADSI CPE ID.
      </synopsis>
      <syntax />
      <description>
         <para>Obtains and displays ADSI CPE ID and other information in order
         to properly setup <filename>dahdi.conf</filename> for on-hook operations.</para>
      </description>
   </application>
 ***/
static char *app = "GetCPEID";

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 ast_adsi_print(chan, tmp, justify, voice);
}

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

   for (x = 0; x < 4; x++)
      data[x] = ast_alloca(80);

   strcpy(data[0], "** CPE Info **");
   strcpy(data[1], "Identifying CPE...");
   strcpy(data[2], "Please wait...");
   res = ast_adsi_load_session(chan, NULL, 0, 1);
   if (res > 0) {
      cpeid_setstatus(chan, data, 0);
      res = ast_adsi_get_cpeid(chan, cpeid, 0);
      if (res > 0) {
         gotcpeid = 1;
         ast_verb(3, "Got CPEID of '%02hhx:%02hhx:%02hhx:%02hhx' on '%s'\n",
            cpeid[0], cpeid[1], cpeid[2], cpeid[3], ast_channel_name(chan));
      }
      if (res > -1) {
         strcpy(data[1], "Measuring CPE...");
         strcpy(data[2], "Please wait...");
         cpeid_setstatus(chan, data, 0);
         res = ast_adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
         if (res > -1) {
            ast_verb(3, "CPE has %d lines, %d columns, and %d buttons on '%s'\n", height, width, buttons, ast_channel_name(chan));
            gotgeometry = 1;
         }
      }
      if (res > -1) {
         if (gotcpeid)
            snprintf(data[1], 80, "CPEID: %02hhx:%02hhx:%02hhx:%02hhx",
               cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
         else
            strcpy(data[1], "CPEID Unknown");
         if (gotgeometry)
            snprintf(data[2], 80, "Geom: %dx%d, %d buttons", width, height, buttons);
         else
            strcpy(data[2], "Geometry unknown");
         strcpy(data[3], "Press # to exit");
         cpeid_setstatus(chan, data, 1);
         for(;;) {
            res = ast_waitfordigit(chan, 1000);
            if (res < 0)
               break;
            if (res == '#') {
               res = 0;
               break;
            }
         }
         ast_adsi_unload_session(chan);
      }
   }

   return res;
}

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

static int load_module(void)
{
   return ast_register_application_xml(app, cpeid_exec);
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Get ADSI CPE ID",
   .support_level = AST_MODULE_SUPPORT_DEPRECATED,
   .load = load_module,
   .unload = unload_module,
   .requires = "res_adsi",
);