#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/indications.h"
#include "asterisk/stringfields.h"
Go to the source code of this file.
Defines | |
#define | locked_copy_string(chan, dest, source, len) |
#define | locked_string_field_set(chan, field, source) |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | func_channel_read (struct ast_channel *chan, const char *function, char *data, char *buf, size_t len) |
static int | func_channel_write (struct ast_channel *chan, const char *function, char *data, const char *value) |
static int | load_module (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Channel information dialplan function" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, } |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_custom_function | channel_function |
char * | transfercapability_table [0x20] |
Definition in file func_channel.c.
#define locked_copy_string | ( | chan, | |||
dest, | |||||
source, | |||||
len | ) |
Value:
do { \ ast_channel_lock(chan); \ ast_copy_string(dest, source, len); \ ast_channel_unlock(chan); \ } while (0)
Definition at line 38 of file func_channel.c.
Referenced by func_channel_read().
#define locked_string_field_set | ( | chan, | |||
field, | |||||
source | ) |
Value:
do { \ ast_channel_lock(chan); \ ast_string_field_set(chan, field, source); \ ast_channel_unlock(chan); \ } while (0)
Definition at line 44 of file func_channel.c.
Referenced by func_channel_write().
static void __reg_module | ( | void | ) | [static] |
Definition at line 232 of file func_channel.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 232 of file func_channel.c.
static int func_channel_read | ( | struct ast_channel * | chan, | |
const char * | function, | |||
char * | data, | |||
char * | buf, | |||
size_t | len | |||
) | [static] |
Definition at line 57 of file func_channel.c.
References ast_channel::_state, ast_channel_lock, ast_channel_unlock, ast_copy_string(), AST_FORMAT_AUDIO_MASK, AST_FORMAT_VIDEO_MASK, ast_getformatname(), ast_log(), ast_print_group(), ast_state2str(), ast_channel::callgroup, chan, tone_zone::country, ast_channel_tech::func_channel_read, ast_channel::language, locked_copy_string, LOG_WARNING, ast_channel::musicclass, ast_channel::nativeformats, ast_channel::readformat, ast_channel::tech, ast_channel::transfercapability, ast_channel_tech::type, ast_channel::writeformat, and ast_channel::zone.
00059 { 00060 int ret = 0; 00061 00062 if (!strcasecmp(data, "audionativeformat")) 00063 /* use the _multiple version when chan->nativeformats holds multiple formats */ 00064 /* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_AUDIO_MASK); */ 00065 ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_AUDIO_MASK), len); 00066 else if (!strcasecmp(data, "videonativeformat")) 00067 /* use the _multiple version when chan->nativeformats holds multiple formats */ 00068 /* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_VIDEO_MASK); */ 00069 ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_VIDEO_MASK), len); 00070 else if (!strcasecmp(data, "audioreadformat")) 00071 ast_copy_string(buf, ast_getformatname(chan->readformat), len); 00072 else if (!strcasecmp(data, "audiowriteformat")) 00073 ast_copy_string(buf, ast_getformatname(chan->writeformat), len); 00074 #ifdef CHANNEL_TRACE 00075 else if (!strcasecmp(data, "trace")) { 00076 ast_channel_lock(chan); 00077 ast_copy_string(buf, ast_channel_trace_is_enabled(chan) ? "1" : "0", len); 00078 ast_channel_unlock(chan); 00079 } 00080 #endif 00081 else if (!strcasecmp(data, "tonezone") && chan->zone) 00082 locked_copy_string(chan, buf, chan->zone->country, len); 00083 else if (!strcasecmp(data, "language")) 00084 locked_copy_string(chan, buf, chan->language, len); 00085 else if (!strcasecmp(data, "musicclass")) 00086 locked_copy_string(chan, buf, chan->musicclass, len); 00087 else if (!strcasecmp(data, "state")) 00088 locked_copy_string(chan, buf, ast_state2str(chan->_state), len); 00089 else if (!strcasecmp(data, "channeltype")) 00090 locked_copy_string(chan, buf, chan->tech->type, len); 00091 else if (!strcasecmp(data, "transfercapability")) 00092 locked_copy_string(chan, buf, transfercapability_table[chan->transfercapability & 0x1f], len); 00093 else if (!strcasecmp(data, "callgroup")) { 00094 char groupbuf[256]; 00095 locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), chan->callgroup), len); 00096 } else if (!chan->tech->func_channel_read 00097 || chan->tech->func_channel_read(chan, function, data, buf, len)) { 00098 ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data); 00099 ret = -1; 00100 } 00101 00102 return ret; 00103 }
static int func_channel_write | ( | struct ast_channel * | chan, | |
const char * | function, | |||
char * | data, | |||
const char * | value | |||
) | [static] |
Definition at line 105 of file func_channel.c.
References ast_channel_lock, ast_channel_setoption(), ast_channel_unlock, ast_false(), ast_get_group(), ast_get_indication_zone(), ast_log(), AST_OPTION_RXGAIN, AST_OPTION_TXGAIN, ast_true(), ast_channel::callgroup, chan, ast_channel_tech::func_channel_write, language, locked_string_field_set, LOG_ERROR, LOG_WARNING, musicclass, ast_channel::tech, ast_channel::transfercapability, and ast_channel::zone.
00107 { 00108 int ret = 0; 00109 signed char gainset; 00110 00111 if (!strcasecmp(data, "language")) 00112 locked_string_field_set(chan, language, value); 00113 else if (!strcasecmp(data, "musicclass")) 00114 locked_string_field_set(chan, musicclass, value); 00115 #ifdef CHANNEL_TRACE 00116 else if (!strcasecmp(data, "trace")) { 00117 ast_channel_lock(chan); 00118 if (ast_true(value)) 00119 ret = ast_channel_trace_enable(chan); 00120 else if (ast_false(value)) 00121 ret = ast_channel_trace_disable(chan); 00122 else { 00123 ret = -1; 00124 ast_log(LOG_WARNING, "Invalid value for CHANNEL(trace)."); 00125 } 00126 ast_channel_unlock(chan); 00127 } 00128 #endif 00129 else if (!strcasecmp(data, "tonezone")) { 00130 struct tone_zone *new_zone; 00131 if (!(new_zone = ast_get_indication_zone(value))) { 00132 ast_log(LOG_ERROR, "Unknown country code '%s' for tonezone. Check indications.conf for available country codes.\n", value); 00133 ret = -1; 00134 } else 00135 chan->zone = new_zone; 00136 } else if (!strcasecmp(data, "callgroup")) 00137 chan->callgroup = ast_get_group(value); 00138 else if (!strcasecmp(data, "txgain")) { 00139 sscanf(value, "%hhd", &gainset); 00140 ast_channel_setoption(chan, AST_OPTION_TXGAIN, &gainset, sizeof(gainset), 0); 00141 } else if (!strcasecmp(data, "rxgain")) { 00142 sscanf(value, "%hhd", &gainset); 00143 ast_channel_setoption(chan, AST_OPTION_RXGAIN, &gainset, sizeof(gainset), 0); 00144 } else if (!strcasecmp(data, "transfercapability")) { 00145 unsigned short i; 00146 for (i = 0; i < 0x20; i++) { 00147 if (!strcasecmp(transfercapability_table[i], value) && strcmp(value, "UNK")) { 00148 chan->transfercapability = i; 00149 break; 00150 } 00151 } 00152 } else if (!chan->tech->func_channel_write 00153 || chan->tech->func_channel_write(chan, function, data, value)) { 00154 ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", 00155 data); 00156 ret = -1; 00157 } 00158 00159 return ret; 00160 }
static int load_module | ( | void | ) | [static] |
Definition at line 227 of file func_channel.c.
References ast_custom_function_register, and channel_function.
00228 { 00229 return ast_custom_function_register(&channel_function); 00230 }
static int unload_module | ( | void | ) | [static] |
Definition at line 222 of file func_channel.c.
References ast_custom_function_unregister(), and channel_function.
00223 { 00224 return ast_custom_function_unregister(&channel_function); 00225 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Channel information dialplan function" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, } [static] |
Definition at line 232 of file func_channel.c.
const struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 232 of file func_channel.c.
struct ast_custom_function channel_function [static] |
char* transfercapability_table[0x20] |
Initial value:
{ "SPEECH", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", "DIGITAL", "RESTRICTED_DIGITAL", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", "3K1AUDIO", "DIGITAL_W_TONES", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", "VIDEO", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", "UNK", }
Definition at line 51 of file func_channel.c.