Sat Aug 6 00:39:20 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: 122314 $")
00031 
00032 #include <stdlib.h>
00033 #include <stdio.h>
00034 #include <unistd.h>
00035 #include <string.h>
00036 
00037 #include "asterisk/lock.h"
00038 #include "asterisk/file.h"
00039 #include "asterisk/logger.h"
00040 #include "asterisk/channel.h"
00041 #include "asterisk/pbx.h"
00042 #include "asterisk/module.h"
00043 #include "asterisk/adsi.h"
00044 #include "asterisk/options.h"
00045 
00046 static char *app = "GetCPEID";
00047 
00048 static char *synopsis = "Get ADSI CPE ID";
00049 
00050 static char *descrip =
00051 "  GetCPEID: Obtains and displays ADSI CPE ID and other information in order\n"
00052 "to properly setup chan_dahdi.conf for on-hook operations.\n";
00053 
00054 
00055 static int cpeid_setstatus(struct ast_channel *chan, char *stuff[], int voice)
00056 {
00057    int justify[5] = { ADSI_JUST_CENT, ADSI_JUST_LEFT, ADSI_JUST_LEFT, ADSI_JUST_LEFT };
00058    char *tmp[5];
00059    int x;
00060    for (x=0;x<4;x++)
00061       tmp[x] = stuff[x];
00062    tmp[4] = NULL;
00063    return ast_adsi_print(chan, tmp, justify, voice);
00064 }
00065 
00066 static int cpeid_exec(struct ast_channel *chan, void *idata)
00067 {
00068    int res=0;
00069    struct ast_module_user *u;
00070    unsigned char cpeid[4];
00071    int gotgeometry = 0;
00072    int gotcpeid = 0;
00073    int width, height, buttons;
00074    char *data[4];
00075    unsigned int x;
00076 
00077    u = ast_module_user_add(chan);
00078 
00079    for (x = 0; x < 4; x++)
00080       data[x] = alloca(80);
00081 
00082    strcpy(data[0], "** CPE Info **");
00083    strcpy(data[1], "Identifying CPE...");
00084    strcpy(data[2], "Please wait...");
00085    res = ast_adsi_load_session(chan, NULL, 0, 1);
00086    if (res > 0) {
00087       cpeid_setstatus(chan, data, 0);
00088       res = ast_adsi_get_cpeid(chan, cpeid, 0);
00089       if (res > 0) {
00090          gotcpeid = 1;
00091          if (option_verbose > 2)
00092             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);
00093       }
00094       if (res > -1) {
00095          strcpy(data[1], "Measuring CPE...");
00096          strcpy(data[2], "Please wait...");
00097          cpeid_setstatus(chan, data, 0);
00098          res = ast_adsi_get_cpeinfo(chan, &width, &height, &buttons, 0);
00099          if (res > -1) {
00100             if (option_verbose > 2)
00101                ast_verbose(VERBOSE_PREFIX_3 "CPE has %d lines, %d columns, and %d buttons on '%s'\n", height, width, buttons, chan->name);
00102             gotgeometry = 1;
00103          }
00104       }
00105       if (res > -1) {
00106          if (gotcpeid)
00107             snprintf(data[1], 80, "CPEID: %02x:%02x:%02x:%02x", cpeid[0], cpeid[1], cpeid[2], cpeid[3]);
00108          else
00109             strcpy(data[1], "CPEID Unknown");
00110          if (gotgeometry) 
00111             snprintf(data[2], 80, "Geom: %dx%d, %d buttons", width, height, buttons);
00112          else
00113             strcpy(data[2], "Geometry unknown");
00114          strcpy(data[3], "Press # to exit");
00115          cpeid_setstatus(chan, data, 1);
00116          for(;;) {
00117             res = ast_waitfordigit(chan, 1000);
00118             if (res < 0)
00119                break;
00120             if (res == '#') {
00121                res = 0;
00122                break;
00123             }
00124          }
00125          ast_adsi_unload_session(chan);
00126       }
00127    }
00128    ast_module_user_remove(u);
00129    return res;
00130 }
00131 
00132 static int unload_module(void)
00133 {
00134    int res;
00135 
00136    res = ast_unregister_application(app);
00137 
00138    ast_module_user_hangup_all();
00139 
00140    return res; 
00141 }
00142 
00143 static int load_module(void)
00144 {
00145    return ast_register_application(app, cpeid_exec, synopsis, descrip);
00146 }
00147 
00148 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Get ADSI CPE ID");

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