Fri Jun 19 12:09:25 2009

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: 122234 $")
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 static char *app = "GetCPEID";
00040 
00041 static char *synopsis = "Get ADSI CPE ID";
00042 
00043 static char *descrip =
00044 "  GetCPEID(): Obtains and displays ADSI CPE ID and other information in order\n"
00045 "to properly setup dahdi.conf for on-hook operations.\n";
00046 
00047 
00048 static int cpeid_setstatus(struct ast_channel *chan, char *stuff[], int voice)
00049 {
00050    int justify[5] = { ADSI_JUST_CENT, ADSI_JUST_LEFT, ADSI_JUST_LEFT, ADSI_JUST_LEFT };
00051    char *tmp[5];
00052    int x;
00053    for (x=0;x<4;x++)
00054       tmp[x] = stuff[x];
00055    tmp[4] = NULL;
00056    return ast_adsi_print(chan, tmp, justify, voice);
00057 }
00058 
00059 static int cpeid_exec(struct ast_channel *chan, void *idata)
00060 {
00061    int res=0;
00062    unsigned char cpeid[4];
00063    int gotgeometry = 0;
00064    int gotcpeid = 0;
00065    int width, height, buttons;
00066    char *data[4];
00067    unsigned int x;
00068 
00069    for (x = 0; x < 4; x++)
00070       data[x] = alloca(80);
00071 
00072    strcpy(data[0], "** CPE Info **");
00073    strcpy(data[1], "Identifying CPE...");
00074    strcpy(data[2], "Please wait...");
00075    res = ast_adsi_load_session(chan, NULL, 0, 1);
00076    if (res > 0) {
00077       cpeid_setstatus(chan, data, 0);
00078       res = ast_adsi_get_cpeid(chan, cpeid, 0);
00079       if (res > 0) {
00080          gotcpeid = 1;
00081          ast_verb(3, "Got CPEID of '%02x:%02x:%02x:%02x' on '%s'\n", cpeid[0], cpeid[1], cpeid[2], cpeid[3], chan->name);
00082       }
00083       if (res > -1) {
00084          strcpy(data[1], "Measuring CPE...");
00085          strcpy(data[2], "Please wait...");
00086          cpeid_setstatus(chan, data, 0);
00087          res = ast_adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
00088          if (res > -1) {
00089             ast_verb(3, "CPE has %d lines, %d columns, and %d buttons on '%s'\n", height, width, buttons, chan->name);
00090             gotgeometry = 1;
00091          }
00092       }
00093       if (res > -1) {
00094          if (gotcpeid)
00095             snprintf(data[1], 80, "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
00096          else
00097             strcpy(data[1], "CPEID Unknown");
00098          if (gotgeometry) 
00099             snprintf(data[2], 80, "Geom: %dx%d, %d buttons", width, height, buttons);
00100          else
00101             strcpy(data[2], "Geometry unknown");
00102          strcpy(data[3], "Press # to exit");
00103          cpeid_setstatus(chan, data, 1);
00104          for(;;) {
00105             res = ast_waitfordigit(chan, 1000);
00106             if (res < 0)
00107                break;
00108             if (res == '#') {
00109                res = 0;
00110                break;
00111             }
00112          }
00113          ast_adsi_unload_session(chan);
00114       }
00115    }
00116 
00117    return res;
00118 }
00119 
00120 static int unload_module(void)
00121 {
00122    return ast_unregister_application(app);
00123 }
00124 
00125 static int load_module(void)
00126 {
00127    return ast_register_application(app, cpeid_exec, synopsis, descrip);
00128 }
00129 
00130 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Get ADSI CPE ID");

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