apps/app_settransfercapability.c

   1 /*
   2  * Asterisk -- A telephony toolkit for Linux.
   3  *
   4  * App to set the ISDN Transfer Capability
   5  *
   6  * Copyright (C) 2005, Frank Sautter, levigo holding gmbh, www.levigo.de
   7  *
   8  * Frank Sautter - asterisk+at+sautter+dot+com
   9  *
  10  * This program is free software, distributed under the terms of
  11  * the GNU General Public License
  12  */
  13
  14 #include <asterisk/logger.h>
  15 #include <asterisk/channel.h>
  16 #include <asterisk/pbx.h>
  17 #include <asterisk/module.h>
  18 #include <asterisk/options.h>
  19 #include <asterisk/transcap.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <libpri.h>
  23
  24
  25 static char *app = "SetTransferCapability";
  26
  27 static char *synopsis = "Set ISDN Transfer Capability";
  28
  29 STANDARD_LOCAL_USER;
  30
  31 LOCAL_USER_DECL;
  32
  33 static struct { int val; char *name; } transcaps[] = {
  34         { AST_TRANS_CAP_SPEECH,                         "SPEECH" },
  35         { AST_TRANS_CAP_DIGITAL,                        "DIGITAL" },
  36         { AST_TRANS_CAP_RESTRICTED_DIGITAL,     "RESTRICTED_DIGITAL" },
  37         { AST_TRANS_CAP_3_1K_AUDIO,                     "3K1AUDIO" },
  38         { AST_TRANS_CAP_DIGITAL_W_TONES,        "DIGITAL_W_TONES" },
  39         { AST_TRANS_CAP_VIDEO,                          "VIDEO" },
  40 };
  41
  42 static char *descrip =
  43 "  SetTransferCapability(transfercapability): Set the ISDN Transfer \n"
  44 "Capability of a call to a new value.\n"
  45 "Always returns 0.  Valid Transfer Capabilities are:\n"
  46 "\n"
  47 "  SPEECH             : 0x00 - Speech (default, voice calls)\n"
  48 "  DIGITAL            : 0x08 - Unrestricted digital information (data calls)\n"
  49 "  RESTRICTED_DIGITAL : 0x09 - Restricted digital information\n"
  50 "  3K1AUDIO           : 0x10 - 3.1kHz Audio (fax calls)\n"
  51 "  DIGITAL_W_TONES    : 0x11 - Unrestricted digital information with tones/announcements\n"
  52 "  VIDEO              : 0x18 - Video:\n"
  53 "\n"
  54 ;
  55
  56 static int settransfercapability_exec(struct ast_channel *chan, void *data)
  57 {
  58         char tmp[256] = "";
  59         struct localuser *u;
  60         int x;
  61         char *opts;
  62         int transfercapability = -1;
  63
  64         if (data)
  65                 strncpy(tmp, (char *)data, sizeof(tmp) - 1);
  66         opts = strchr(tmp, '|');
  67         if (opts)
  68                 *opts = '\0';
  69         for (x=0;x<sizeof(transcaps) / sizeof(transcaps[0]);x++) {
  70                 if (!strcasecmp(transcaps[x].name, tmp)) {
  71                         transfercapability = transcaps[x].val;
  72                         break;
  73                 }
  74         }
  75         if (transfercapability < 0) {
  76                 ast_log(LOG_WARNING, "'%s' is not a valid transfer capability (see 'show application SetTransferCapability')\n", tmp);
  77                 return 0;
  78         } else {
  79                 LOCAL_USER_ADD(u);
  80                 chan->transfercapability = (unsigned short)transfercapability;
  81                 LOCAL_USER_REMOVE(u);
  82                 if (option_verbose > 2)
  83                         ast_verbose(VERBOSE_PREFIX_3 "Setting transfer capability to: 0x%.2x - %s.\n", transfercapability, tmp);
  84                 return 0;
  85         }
  86 }
  87
  88
  89 int unload_module(void)
  90 {
  91         STANDARD_HANGUP_LOCALUSERS;
  92         return ast_unregister_application(app);
  93 }
  94
  95 int load_module(void)
  96 {
  97         return ast_register_application(app, settransfercapability_exec, synopsis, descrip);
  98 }
  99
 100 char *description(void)
 101 {
 102         return descrip;
 103 }
 104
 105 int usecount(void)
 106 {
 107         int res;
 108         STANDARD_USECOUNT(res);
 109         return res;
 110 }
 111
 112 char *key()
 113 {
 114         return ASTERISK_GPL_KEY;
 115 }