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 = "Usage: exten => 1,1,DumpChan([<min_verbose_level>])\n\n"
  30 "If optional min_verbose_level is specified, only dump data when that verbose level is set.\n\n";
  31
  32 STANDARD_LOCAL_USER;
  33
  34 LOCAL_USER_DECL;
  35
  36 static int ast_serialize_showchan(struct ast_channel *c, char *buf, size_t size)
  37 {
  38         struct timeval now;
  39         long elapsed_seconds=0;
  40         int hour=0, min=0, sec=0;
  41         gettimeofday(&now, NULL);
  42         memset(buf,0,size);
  43         if (!c)
  44                 return 0;
  45
  46         if (c->cdr) {
  47                 elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
  48                 hour = elapsed_seconds / 3600;
  49                 min = (elapsed_seconds % 3600) / 60;
  50                 sec = elapsed_seconds % 60;
  51         }
  52
  53         snprintf(buf,size,
  54                          "Name=%s\n"
  55                          "Type=%s\n"
  56                          "UniqueID=%s\n"
  57                          "CallerID=%s\n"
  58                          "CallerIDName=%s\n"
  59                          "DNIDDigits=%s\n"
  60                          "State=%s(%d)\n"
  61                          "Rings=%d\n"
  62                          "NativeFormat=%d\n"
  63                          "WriteFormat=%d\n"
  64                          "ReadFormat=%d\n"
  65                          "1stFileDescriptor=%d\n"
  66                          "Framesin=%d%s\n"
  67                          "Framesout=%d%s\n"
  68                          "TimetoHangup=%ld\n"
  69                          "ElapsedTime=%dh%dm%ds\n"
  70                          "Context=%s\n"
  71                          "Extension=%s\n"
  72                          "Priority=%d\n"
  73                          "CallGroup=%d\n"
  74                          "PickupGroup=%d\n"
  75                          "Application=%s\n"
  76                          "Data=%s\n"
  77                          "Stack=%d\n"
  78                          "Blocking_in=%s\n",
  79                          c->name,
  80                          c->type,
  81                          c->uniqueid,
  82                          (c->cid.cid_num ? c->cid.cid_num : "(N/A)"),
  83                          (c->cid.cid_name ? c->cid.cid_name : "(N/A)"),
  84                          (c->cid.cid_dnid ? c->cid.cid_dnid : "(N/A)" ),
  85                          ast_state2str(c->_state),
  86                          c->_state,
  87                          c->rings,
  88                          c->nativeformats,
  89                          c->writeformat,
  90                          c->readformat,
  91                          c->fds[0], c->fin & 0x7fffffff, (c->fin & 0x80000000) ? " (DEBUGGED)" : "",
  92                          c->fout & 0x7fffffff, (c->fout & 0x80000000) ? " (DEBUGGED)" : "", (long)c->whentohangup,
  93                          hour,
  94                          min,
  95                          sec,
  96                          c->context,
  97                          c->exten,
  98                          c->priority,
  99                          c->callgroup,
 100                          c->pickupgroup,
 101                          ( c->appl ? c->appl : "(N/A)" ),
 102                          ( c-> data ? (!ast_strlen_zero(c->data) ? c->data : "(Empty)") : "(None)"),
 103                          c->stack,
 104                          (c->blocking ? c->blockproc : "(Not Blocking)"));
 105
 106         return 1;
 107 }
 108
 109 static int dumpchan_exec(struct ast_channel *chan, void *data)
 110 {
 111         int res=0;
 112         struct localuser *u;
 113         char vars[1024];
 114         char info[1024];
 115         int level = 0;
 116         static char *line = "================================================================================";
 117         LOCAL_USER_ADD(u);
 118
 119         if (data) {
 120                 level = atoi(data);
 121         }
 122
 123         pbx_builtin_serialize_variables(chan, vars, sizeof(vars));
 124         ast_serialize_showchan(chan, info, sizeof(info));
 125         if (option_verbose >= level)
 126                 ast_verbose("\nDumping Info For Channel: %s:\n%s\nInfo:\n%s\nVariables:\n%s%s\n",chan->name,line,info,vars,line);
 127
 128         LOCAL_USER_REMOVE(u);
 129         return res;
 130 }
 131
 132 int unload_module(void)
 133 {
 134         STANDARD_HANGUP_LOCALUSERS;
 135         return ast_unregister_application(app);
 136 }
 137
 138 int load_module(void)
 139 {
 140         return ast_register_application(app, dumpchan_exec, synopsis, desc);
 141 }
 142
 143 char *description(void)
 144 {
 145         return tdesc;
 146 }
 147
 148 int usecount(void)
 149 {
 150         int res;
 151         STANDARD_USECOUNT(res);
 152         return res;
 153 }
 154
 155 char *key()
 156 {
 157         return ASTERISK_GPL_KEY;
 158 }
 159