apps/app_dumpchan.c

   1 /*
   2  * Asterisk -- A telephony toolkit for Linux.
   3  *
   4  * Application to dump channel variables
   5  *
   6  * Copyright (C) 2004, Anthony Minessale II.
   7  *
   8  * Anthony Minessale <anthmct@yahoo.com>
   9  *
  10  * This program is free software, distributed under the terms of
  11  * the GNU General Public License (and disclaimed to Digium)
  12  */
  13
  14 #include <asterisk/file.h>
  15 #include <asterisk/logger.h>
  16 #include <asterisk/channel.h>
  17 #include <asterisk/pbx.h>
  18 #include <asterisk/module.h>
  19 #include <asterisk/options.h>
  20 #include <asterisk/utils.h>
  21 #include <asterisk/lock.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include <string.h>
  25
  26 static char *tdesc = "Dump Info About The Calling Channel";
  27 static char *app = "DumpChan";
  28 static char *synopsis = "Dump Info About The Calling Channel";
  29 static char *desc =
  30 "   DumpChan([<min_verbose_level>])\n"
  31 "Displays information on channel and listing of all channel\n"
  32 "variables.  If min_verbose_level is specified, output is only\n"
  33 "displayed when the verbose level is currently set to that number\n"
  34 "or greater.  Always returns 0.\n\n";
  35
  36 STANDARD_LOCAL_USER;
  37
  38 LOCAL_USER_DECL;
  39
  40 static int ast_serialize_showchan(struct ast_channel *c, char *buf, size_t size)
  41 {
  42         struct timeval now;
  43         long elapsed_seconds=0;
  44         int hour=0, min=0, sec=0;
  45         gettimeofday(&now, NULL);
  46         memset(buf,0,size);
  47         if (!c)
  48                 return 0;
  49
  50         if (c->cdr) {
  51                 elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
  52                 hour = elapsed_seconds / 3600;
  53                 min = (elapsed_seconds % 3600) / 60;
  54                 sec = elapsed_seconds % 60;
  55         }
  56
  57         snprintf(buf,size,
  58                          "Name=%s\n"
  59                          "Type=%s\n"
  60                          "UniqueID=%s\n"
  61                          "CallerID=%s\n"
  62                          "CallerIDName=%s\n"
  63                          "DNIDDigits=%s\n"
  64                          "State=%s(%d)\n"
  65                          "Rings=%d\n"
  66                          "NativeFormat=%d\n"
  67                          "WriteFormat=%d\n"
  68                          "ReadFormat=%d\n"
  69                          "1stFileDescriptor=%d\n"
  70                          "Framesin=%d%s\n"
  71                          "Framesout=%d%s\n"
  72                          "TimetoHangup=%ld\n"
  73                          "ElapsedTime=%dh%dm%ds\n"
  74                          "Context=%s\n"
  75                          "Extension=%s\n"
  76                          "Priority=%d\n"
  77                          "CallGroup=%d\n"
  78                          "PickupGroup=%d\n"
  79                          "Application=%s\n"
  80                          "Data=%s\n"
  81                          "Blocking_in=%s\n",
  82                          c->name,
  83                          c->type,
  84                          c->uniqueid,
  85                          (c->cid.cid_num ? c->cid.cid_num : "(N/A)"),
  86                          (c->cid.cid_name ? c->cid.cid_name : "(N/A)"),
  87                          (c->cid.cid_dnid ? c->cid.cid_dnid : "(N/A)" ),
  88                          ast_state2str(c->_state),
  89                          c->_state,
  90                          c->rings,
  91                          c->nativeformats,
  92                          c->writeformat,
  93                          c->readformat,
  94                          c->fds[0], c->fin & 0x7fffffff, (c->fin & 0x80000000) ? " (DEBUGGED)" : "",
  95                          c->fout & 0x7fffffff, (c->fout & 0x80000000) ? " (DEBUGGED)" : "", (long)c->whentohangup,
  96                          hour,
  97                          min,
  98                          sec,
  99                          c->context,
 100                          c->exten,
 101                          c->priority,
 102                          c->callgroup,
 103                          c->pickupgroup,
 104                          ( c->appl ? c->appl : "(N/A)" ),
 105                          ( c-> data ? (!ast_strlen_zero(c->data) ? c->data : "(Empty)") : "(None)"),
 106                          (ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
 107
 108         return 0;
 109 }
 110
 111 static int dumpchan_exec(struct ast_channel *chan, void *data)
 112 {
 113         int res=0;
 114         struct localuser *u;
 115         char vars[1024];
 116         char info[1024];
 117         int level = 0;
 118         static char *line = "================================================================================";
 119         LOCAL_USER_ADD(u);
 120
 121         if (data) {
 122                 level = atoi(data);
 123         }
 124
 125         pbx_builtin_serialize_variables(chan, vars, sizeof(vars));
 126         ast_serialize_showchan(chan, info, sizeof(info));
 127         if (option_verbose >= level)
 128                 ast_verbose("\nDumping Info For Channel: %s:\n%s\nInfo:\n%s\nVariables:\n%s%s\n",chan->name,line,info,vars,line);
 129
 130         LOCAL_USER_REMOVE(u);
 131         return res;
 132 }
 133
 134 int unload_module(void)
 135 {
 136         STANDARD_HANGUP_LOCALUSERS;
 137         return ast_unregister_application(app);
 138 }
 139
 140 int load_module(void)
 141 {
 142         return ast_register_application(app, dumpchan_exec, synopsis, desc);
 143 }
 144
 145 char *description(void)
 146 {
 147         return tdesc;
 148 }
 149
 150 int usecount(void)
 151 {
 152         int res;
 153         STANDARD_USECOUNT(res);
 154         return res;
 155 }
 156
 157 char *key()
 158 {
 159         return ASTERISK_GPL_KEY;
 160 }
 161