Wed Apr 6 11:29:38 2011

Asterisk developer's documentation


app_getcpeid.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * Mark Spencer <markster@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  *
00021  * \brief Get ADSI CPE ID
00022  *
00023  * \author Mark Spencer <markster@digium.com>
00024  * 
00025  * \ingroup applications
00026  */
00027 
00028 #include "asterisk.h"
00029 
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 284610 $")
00031 
00032 #include "asterisk/lock.h"
00033 #include "asterisk/file.h"
00034 #include "asterisk/channel.h"
00035 #include "asterisk/pbx.h"
00036 #include "asterisk/module.h"
00037 #include "asterisk/adsi.h"
00038 
00039 /*** DOCUMENTATION
00040    <application name="GetCPEID" language="en_US">
00041       <synopsis>
00042          Get ADSI CPE ID.
00043       </synopsis>
00044       <syntax />
00045       <description>
00046          <para>Obtains and displays ADSI CPE ID and other information in order
00047          to properly setup <filename>dahdi.conf</filename> for on-hook operations.</para>
00048       </description>
00049    </application>
00050  ***/
00051 static char *app = "GetCPEID";
00052 
00053 static int cpeid_setstatus(struct ast_channel *chan, char *stuff[], int voice)
00054 {
00055    int justify[5] = { ADSI_JUST_CENT, ADSI_JUST_LEFT, ADSI_JUST_LEFT, ADSI_JUST_LEFT };
00056    char *tmp[5];
00057    int x;
00058    for (x=0;x<4;x++)
00059       tmp[x] = stuff[x];
00060    tmp[4] = NULL;
00061    return ast_adsi_print(chan, tmp, justify, voice);
00062 }
00063 
00064 static int cpeid_exec(struct ast_channel *chan, const char *idata)
00065 {
00066    int res=0;
00067    unsigned char cpeid[4];
00068    int gotgeometry = 0;
00069    int gotcpeid = 0;
00070    int width, height, buttons;
00071    char *data[4];
00072    unsigned int x;
00073 
00074    for (x = 0; x < 4; x++)
00075       data[x] = alloca(80);
00076 
00077    strcpy(data[0], "** CPE Info **");
00078    strcpy(data[1], "Identifying CPE...");
00079    strcpy(data[2], "Please wait...");
00080    res = ast_adsi_load_session(chan, NULL, 0, 1);
00081    if (res > 0) {
00082       cpeid_setstatus(chan, data, 0);
00083       res = ast_adsi_get_cpeid(chan, cpeid, 0);
00084       if (res > 0) {
00085          gotcpeid = 1;
00086          ast_verb(3, "Got CPEID of '%02x:%02x:%02x:%02x' on '%s'\n", cpeid[0], cpeid[1], cpeid[2], cpeid[3], chan->name);
00087       }
00088       if (res > -1) {
00089          strcpy(data[1], "Measuring CPE...");
00090          strcpy(data[2], "Please wait...");
00091          cpeid_setstatus(chan, data, 0);
00092          res = ast_adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
00093          if (res > -1) {
00094             ast_verb(3, "CPE has %d lines, %d columns, and %d buttons on '%s'\n", height, width, buttons, chan->name);
00095             gotgeometry = 1;
00096          }
00097       }
00098       if (res > -1) {
00099          if (gotcpeid)
00100             snprintf(data[1], 80, "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
00101          else
00102             strcpy(data[1], "CPEID Unknown");
00103          if (gotgeometry) 
00104             snprintf(data[2], 80, "Geom: %dx%d, %d buttons", width, height, buttons);
00105          else
00106             strcpy(data[2], "Geometry unknown");
00107          strcpy(data[3], "Press # to exit");
00108          cpeid_setstatus(chan, data, 1);
00109          for(;;) {
00110             res = ast_waitfordigit(chan, 1000);
00111             if (res < 0)
00112                break;
00113             if (res == '#') {
00114                res = 0;
00115                break;
00116             }
00117          }
00118          ast_adsi_unload_session(chan);
00119       }
00120    }
00121 
00122    return res;
00123 }
00124 
00125 static int unload_module(void)
00126 {
00127    return ast_unregister_application(app);
00128 }
00129 
00130 static int load_module(void)
00131 {
00132    return ast_register_application_xml(app, cpeid_exec);
00133 }
00134 
00135 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Get ADSI CPE ID",
00136       .load = load_module,
00137       .unload = unload_module,
00138       .nonoptreq = "res_adsi",
00139       );

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