#include "asterisk.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/logger.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"
#include "asterisk/indications.h"
#include "asterisk/stringfields.h"
Include dependency graph for func_channel.c:
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 | |
AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"Channel information dialplan function") | |
static int | func_channel_read (struct ast_channel *chan, char *function, char *data, char *buf, size_t len) |
static int | func_channel_write (struct ast_channel *chan, char *function, char *data, const char *value) |
static int | load_module (void) |
static int | unload_module (void) |
Variables | |
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 44 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 50 of file func_channel.c.
Referenced by func_channel_write().
AST_MODULE_INFO_STANDARD | ( | ASTERISK_GPL_KEY | , | |
"Channel information dialplan function" | ||||
) |
static int func_channel_read | ( | struct ast_channel * | chan, | |
char * | function, | |||
char * | data, | |||
char * | buf, | |||
size_t | len | |||
) | [static] |
Definition at line 63 of file func_channel.c.
References ast_channel::_state, AST_FORMAT_AUDIO_MASK, AST_FORMAT_VIDEO_MASK, ast_getformatname(), ast_log(), ast_print_group(), ast_state2str(), ast_channel::callgroup, tone_zone::country, ast_channel_tech::func_channel_read, locked_copy_string, LOG_WARNING, ast_channel::nativeformats, ast_channel::readformat, ast_channel::tech, ast_channel::transfercapability, ast_channel_tech::type, ast_channel::writeformat, and ast_channel::zone.
00065 { 00066 int ret = 0; 00067 00068 if (!strcasecmp(data, "audionativeformat")) 00069 /* use the _multiple version when chan->nativeformats holds multiple formats */ 00070 /* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_AUDIO_MASK); */ 00071 ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_AUDIO_MASK), len); 00072 else if (!strcasecmp(data, "videonativeformat")) 00073 /* use the _multiple version when chan->nativeformats holds multiple formats */ 00074 /* ast_getformatname_multiple(buf, len, chan->nativeformats & AST_FORMAT_VIDEO_MASK); */ 00075 ast_copy_string(buf, ast_getformatname(chan->nativeformats & AST_FORMAT_VIDEO_MASK), len); 00076 else if (!strcasecmp(data, "audioreadformat")) 00077 ast_copy_string(buf, ast_getformatname(chan->readformat), len); 00078 else if (!strcasecmp(data, "audiowriteformat")) 00079 ast_copy_string(buf, ast_getformatname(chan->writeformat), len); 00080 else if (!strcasecmp(data, "tonezone") && chan->zone) 00081 locked_copy_string(chan, buf, chan->zone->country, len); 00082 else if (!strcasecmp(data, "language")) 00083 locked_copy_string(chan, buf, chan->language, len); 00084 else if (!strcasecmp(data, "musicclass")) 00085 locked_copy_string(chan, buf, chan->musicclass, len); 00086 else if (!strcasecmp(data, "state")) 00087 locked_copy_string(chan, buf, ast_state2str(chan->_state), len); 00088 else if (!strcasecmp(data, "channeltype")) 00089 locked_copy_string(chan, buf, chan->tech->type, len); 00090 else if (!strcasecmp(data, "transfercapability")) 00091 locked_copy_string(chan, buf, transfercapability_table[chan->transfercapability & 0x1f], len); 00092 else if (!strcasecmp(data, "callgroup")) { 00093 char groupbuf[256]; 00094 locked_copy_string(chan, buf, ast_print_group(groupbuf, sizeof(groupbuf), chan->callgroup), len); 00095 } else if (!chan->tech->func_channel_read 00096 || chan->tech->func_channel_read(chan, function, data, buf, len)) { 00097 ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", data); 00098 ret = -1; 00099 } 00100 00101 return ret; 00102 }
static int func_channel_write | ( | struct ast_channel * | chan, | |
char * | function, | |||
char * | data, | |||
const char * | value | |||
) | [static] |
Definition at line 104 of file func_channel.c.
References ast_channel_setoption(), ast_get_group(), ast_get_indication_zone(), ast_log(), AST_OPTION_RXGAIN, AST_OPTION_TXGAIN, ast_channel::callgroup, 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.
00106 { 00107 int ret = 0; 00108 signed char gainset; 00109 00110 if (!strcasecmp(data, "language")) 00111 locked_string_field_set(chan, language, value); 00112 else if (!strcasecmp(data, "musicclass")) 00113 locked_string_field_set(chan, musicclass, value); 00114 else if (!strcasecmp(data, "tonezone")) { 00115 struct tone_zone *new_zone; 00116 if (!(new_zone = ast_get_indication_zone(value))) { 00117 ast_log(LOG_ERROR, "Unknown country code '%s' for tonezone. Check indications.conf for available country codes.\n", value); 00118 ret = -1; 00119 } else 00120 chan->zone = new_zone; 00121 } else if (!strcasecmp(data, "callgroup")) 00122 chan->callgroup = ast_get_group(value); 00123 else if (!strcasecmp(data, "txgain")) { 00124 sscanf(value, "%hhd", &gainset); 00125 ast_channel_setoption(chan, AST_OPTION_TXGAIN, &gainset, sizeof(gainset), 0); 00126 } else if (!strcasecmp(data, "rxgain")) { 00127 sscanf(value, "%hhd", &gainset); 00128 ast_channel_setoption(chan, AST_OPTION_RXGAIN, &gainset, sizeof(gainset), 0); 00129 } else if (!strcasecmp(data, "transfercapability")) { 00130 unsigned short i; 00131 for (i = 0; i < 0x20; i++) { 00132 if (!strcasecmp(transfercapability_table[i], value) && strcmp(value, "UNK")) { 00133 chan->transfercapability = i; 00134 break; 00135 } 00136 } 00137 } else if (!chan->tech->func_channel_write 00138 || chan->tech->func_channel_write(chan, function, data, value)) { 00139 ast_log(LOG_WARNING, "Unknown or unavailable item requested: '%s'\n", 00140 data); 00141 ret = -1; 00142 } 00143 00144 return ret; 00145 }
static int load_module | ( | void | ) | [static] |
Definition at line 198 of file func_channel.c.
References ast_custom_function_register(), and channel_function.
00199 { 00200 return ast_custom_function_register(&channel_function); 00201 }
static int unload_module | ( | void | ) | [static] |
Definition at line 193 of file func_channel.c.
References ast_custom_function_unregister(), and channel_function.
00194 { 00195 return ast_custom_function_unregister(&channel_function); 00196 }
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 57 of file func_channel.c.