apps/app_dumpchan.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2004 - 2005, Anthony Minessale II.
   5  *
   6  * Anthony Minessale <anthmct@yahoo.com>
   7  *
   8  * A license has been granted to Digium (via disclaimer) for the use of
   9  * this code.
  10  *
  11  * See http://www.asterisk.org for more information about
  12  * the Asterisk project. Please do not directly contact
  13  * any of the maintainers of this project for assistance;
  14  * the project provides a web site, mailing lists and IRC
  15  * channels for your use.
  16  *
  17  * This program is free software, distributed under the terms of
  18  * the GNU General Public License Version 2. See the LICENSE file
  19  * at the top of the source tree.
  20  */
  21
  22 /*! \file
  23  *
  24  * \brief Application to dump channel variables
  25  *
  26  * \author Anthony Minessale <anthmct@yahoo.com>
  27  *
  28  * \ingroup applications
  29  */
  30
  31 #include "asterisk.h"
  32
  33 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  34
  35 #include <stdlib.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <unistd.h>
  39
  40 #include "asterisk/file.h"
  41 #include "asterisk/logger.h"
  42 #include "asterisk/channel.h"
  43 #include "asterisk/pbx.h"
  44 #include "asterisk/module.h"
  45 #include "asterisk/options.h"
  46 #include "asterisk/utils.h"
  47 #include "asterisk/lock.h"
  48 #include "asterisk/utils.h"
  49
  50 static char *app = "DumpChan";
  51 static char *synopsis = "Dump Info About The Calling Channel";
  52 static char *desc =
  53         "   DumpChan([<min_verbose_level>])\n"
  54         "Displays information on channel and listing of all channel\n"
  55         "variables. If min_verbose_level is specified, output is only\n"
  56         "displayed when the verbose level is currently set to that number\n"
  57         "or greater. \n";
  58
  59
  60 static int serialize_showchan(struct ast_channel *c, char *buf, size_t size)
  61 {
  62         struct timeval now;
  63         long elapsed_seconds = 0;
  64         int hour = 0, min = 0, sec = 0;
  65         char cgrp[BUFSIZ/2];
  66         char pgrp[BUFSIZ/2];
  67         char formatbuf[BUFSIZ/2];
  68
  69         now = ast_tvnow();
  70         memset(buf, 0, size);
  71         if (!c)
  72                 return 0;
  73
  74         if (c->cdr) {
  75                 elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
  76                 hour = elapsed_seconds / 3600;
  77                 min = (elapsed_seconds % 3600) / 60;
  78                 sec = elapsed_seconds % 60;
  79         }
  80
  81         snprintf(buf,size,
  82                          "Name=               %s\n"
  83                          "Type=               %s\n"
  84                          "UniqueID=           %s\n"
  85                          "CallerID=           %s\n"
  86                          "CallerIDName=       %s\n"
  87                          "DNIDDigits=         %s\n"
  88                          "RDNIS=              %s\n"
  89                          "State=              %s (%d)\n"
  90                          "Rings=              %d\n"
  91                          "NativeFormat=       %s\n"
  92                          "WriteFormat=        %s\n"
  93                          "ReadFormat=         %s\n"
  94                          "1stFileDescriptor=  %d\n"
  95                          "Framesin=           %d %s\n"
  96                          "Framesout=          %d %s\n"
  97                          "TimetoHangup=       %ld\n"
  98                          "ElapsedTime=        %dh%dm%ds\n"
  99                          "Context=            %s\n"
 100                          "Extension=          %s\n"
 101                          "Priority=           %d\n"
 102                          "CallGroup=          %s\n"
 103                          "PickupGroup=        %s\n"
 104                          "Application=        %s\n"
 105                          "Data=               %s\n"
 106                          "Blocking_in=        %s\n",
 107                          c->name,
 108                          c->tech->type,
 109                          c->uniqueid,
 110                          S_OR(c->cid.cid_num, "(N/A)"),
 111                          S_OR(c->cid.cid_name, "(N/A)"),
 112                          S_OR(c->cid.cid_dnid, "(N/A)"),
 113                          S_OR(c->cid.cid_rdnis, "(N/A)"),
 114                          ast_state2str(c->_state),
 115                          c->_state,
 116                          c->rings,
 117                          ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->nativeformats),
 118                          ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->writeformat),
 119                          ast_getformatname_multiple(formatbuf, sizeof(formatbuf), c->readformat),
 120                          c->fds[0], c->fin & ~DEBUGCHAN_FLAG, (c->fin & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
 121                          c->fout & ~DEBUGCHAN_FLAG, (c->fout & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "", (long)c->whentohangup,
 122                          hour,
 123                          min,
 124                          sec,
 125                          c->context,
 126                          c->exten,
 127                          c->priority,
 128                          ast_print_group(cgrp, sizeof(cgrp), c->callgroup),
 129                          ast_print_group(pgrp, sizeof(pgrp), c->pickupgroup),
 130                          ( c->appl ? c->appl : "(N/A)" ),
 131                          ( c-> data ? S_OR(c->data, "(Empty)") : "(None)"),
 132                          (ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
 133
 134         return 0;
 135 }
 136
 137 static int dumpchan_exec(struct ast_channel *chan, void *data)
 138 {
 139         struct ast_module_user *u;
 140         char vars[BUFSIZ * 4];
 141         char info[1024];
 142         int level = 0;
 143         static char *line = "================================================================================";
 144
 145         u = ast_module_user_add(chan);
 146
 147         if (!ast_strlen_zero(data))
 148                 level = atoi(data);
 149
 150         pbx_builtin_serialize_variables(chan, vars, sizeof(vars));
 151         serialize_showchan(chan, info, sizeof(info));
 152         if (option_verbose >= level)
 153                 ast_verbose("\nDumping Info For Channel: %s:\n%s\nInfo:\n%s\nVariables:\n%s%s\n", chan->name, line, info, vars, line);
 154
 155         ast_module_user_remove(u);
 156
 157         return 0;
 158 }
 159
 160 static int unload_module(void)
 161 {
 162         int res;
 163
 164         res = ast_unregister_application(app);
 165
 166         ast_module_user_hangup_all();
 167
 168         return res;
 169 }
 170
 171 static int load_module(void)
 172 {
 173         return ast_register_application(app, dumpchan_exec, synopsis, desc);
 174 }
 175
 176 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dump Info About The Calling Channel");