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Defines | |
#define | AST_DEVICE_BUSY 3 |
#define | AST_DEVICE_INUSE 2 |
#define | AST_DEVICE_INVALID 4 |
#define | AST_DEVICE_NOT_INUSE 1 |
#define | AST_DEVICE_ONHOLD 8 |
#define | AST_DEVICE_RINGING 6 |
#define | AST_DEVICE_RINGINUSE 7 |
#define | AST_DEVICE_UNAVAILABLE 5 |
#define | AST_DEVICE_UNKNOWN 0 |
Typedefs | |
typedef int(*) | ast_devstate_cb_type (const char *dev, int state, void *data, char *cid_num, char *cid_name) |
Devicestate watcher call back. | |
typedef int(*) | ast_devstate_prov_cb_type (const char *data) |
Devicestate provider call back. | |
Functions | |
int | ast_device_state (const char *device) |
Asks a channel for device state. | |
int | ast_device_state_changed (const char *fmt,...) __attribute__((format(printf |
Tells Asterisk the State for Device is changed. | |
int int | ast_device_state_changed_literal (const char *device, const char *cid_num, const char *cid_name) |
Tells Asterisk the State for Device is changed. | |
int | ast_device_state_engine_init (void) |
Initialize the device state engine in separate thread. | |
int | ast_devstate_add (ast_devstate_cb_type callback, void *data) |
Registers a device state change callback. | |
void | ast_devstate_del (ast_devstate_cb_type callback, void *data) |
Unregisters a device state change callback. | |
int | ast_devstate_prov_add (const char *label, ast_devstate_prov_cb_type callback) |
Add device state provider. | |
void | ast_devstate_prov_del (const char *label) |
Remove device state provider. | |
int | ast_parse_device_state (const char *device) |
Search the Channels by Name. | |
const char * | devstate2str (int devstate) |
Convert device state to text string for output. |
Definition in file devicestate.h.
#define AST_DEVICE_BUSY 3 |
Device is busy
Definition at line 37 of file devicestate.h.
Referenced by agent_devicestate(), ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), and sip_devicestate().
#define AST_DEVICE_INUSE 2 |
Device is in use
Definition at line 35 of file devicestate.h.
Referenced by agent_devicestate(), ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), ast_parse_device_state(), is_our_turn(), meetmestate(), metermaidstate(), sip_devicestate(), and sla_state().
#define AST_DEVICE_INVALID 4 |
Device is invalid
Definition at line 39 of file devicestate.h.
Referenced by agent_devicestate(), ast_device_state(), ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), get_member_status(), getproviderstate(), iax2_devicestate(), local_devicestate(), meetmestate(), metermaidstate(), mgcp_devicestate(), queue_function_qac(), sip_devicestate(), and sla_state().
#define AST_DEVICE_NOT_INUSE 1 |
Device is not used
Definition at line 33 of file devicestate.h.
Referenced by ast_device_state(), ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), is_our_turn(), meetmestate(), metermaidstate(), ring_entry(), sip_devicestate(), sla_state(), and try_calling().
#define AST_DEVICE_ONHOLD 8 |
Device is on hold
Definition at line 47 of file devicestate.h.
Referenced by ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), sip_devicestate(), and sla_state().
#define AST_DEVICE_RINGING 6 |
Device is ringing
Definition at line 43 of file devicestate.h.
Referenced by ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), ast_parse_device_state(), sip_devicestate(), and sla_state().
#define AST_DEVICE_RINGINUSE 7 |
Device is ringing *and* in use
Definition at line 45 of file devicestate.h.
Referenced by ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), and sip_devicestate().
#define AST_DEVICE_UNAVAILABLE 5 |
Device is unavailable
Definition at line 41 of file devicestate.h.
Referenced by agent_devicestate(), ast_devstate_str(), ast_devstate_val(), ast_extension_state2(), get_member_status(), iax2_devicestate(), queue_function_qac(), sip_devicestate(), and transmit_state_notify().
#define AST_DEVICE_UNKNOWN 0 |
Device is valid but channel didn't know state
Definition at line 31 of file devicestate.h.
Referenced by agent_devicestate(), ast_device_state(), ast_devstate_str(), ast_devstate_val(), ast_parse_device_state(), iax2_devicestate(), is_our_turn(), local_devicestate(), mgcp_devicestate(), ring_entry(), and sip_devicestate().
typedef int(*) ast_devstate_cb_type(const char *dev, int state, void *data, char *cid_num, char *cid_name) |
typedef int(*) ast_devstate_prov_cb_type(const char *data) |
int ast_device_state | ( | const char * | device | ) |
Asks a channel for device state.
device | like a dialstring Asks a channel for device state, data is normaly a number from dialstring used by the low level module Trys the channel devicestate callback if not supported search in the active channels list for the device. Returns an AST_DEVICE_??? state -1 on failure |
Channel driver that provides device state
Another provider of device state
Definition at line 134 of file devicestate.c.
References AST_DEVICE_INVALID, AST_DEVICE_NOT_INUSE, AST_DEVICE_UNKNOWN, ast_get_channel_tech(), ast_log(), ast_parse_device_state(), ast_strdupa, ast_channel_tech::devicestate, getproviderstate(), LOG_DEBUG, option_debug, and strsep().
Referenced by ast_extension_state2(), chanavail_exec(), create_queue_member(), devstate_read(), do_state_change(), ring_entry(), and transmit_state_notify().
00135 { 00136 char *buf; 00137 char *number; 00138 const struct ast_channel_tech *chan_tech; 00139 int res = 0; 00140 /*! \brief Channel driver that provides device state */ 00141 char *tech; 00142 /*! \brief Another provider of device state */ 00143 char *provider = NULL; 00144 00145 buf = ast_strdupa(device); 00146 tech = strsep(&buf, "/"); 00147 number = buf; 00148 if (!number) { 00149 provider = strsep(&tech, ":"); 00150 if (!provider) 00151 return AST_DEVICE_INVALID; 00152 /* We have a provider */ 00153 number = tech; 00154 tech = NULL; 00155 } 00156 00157 if (provider) { 00158 if(option_debug > 2) 00159 ast_log(LOG_DEBUG, "Checking if I can find provider for \"%s\" - number: %s\n", provider, number); 00160 return getproviderstate(provider, number); 00161 } 00162 if (option_debug > 3) 00163 ast_log(LOG_DEBUG, "No provider found, checking channel drivers for %s - %s\n", tech, number); 00164 00165 chan_tech = ast_get_channel_tech(tech); 00166 if (!chan_tech) 00167 return AST_DEVICE_INVALID; 00168 00169 if (!chan_tech->devicestate) /* Does the channel driver support device state notification? */ 00170 return ast_parse_device_state(device); /* No, try the generic function */ 00171 else { 00172 res = chan_tech->devicestate(number); /* Ask the channel driver for device state */ 00173 if (res == AST_DEVICE_UNKNOWN) { 00174 res = ast_parse_device_state(device); 00175 /* at this point we know the device exists, but the channel driver 00176 could not give us a state; if there is no channel state available, 00177 it must be 'not in use' 00178 */ 00179 if (res == AST_DEVICE_UNKNOWN) 00180 res = AST_DEVICE_NOT_INUSE; 00181 return res; 00182 } else 00183 return res; 00184 } 00185 }
int ast_device_state_changed | ( | const char * | fmt, | |
... | ||||
) |
Tells Asterisk the State for Device is changed.
fmt | devicename like a dialstring with format parameters Asterisk polls the new extensionstates and calls the registered callbacks for the changed extensions Returns 0 on success, -1 on failure |
int int ast_device_state_changed_literal | ( | const char * | device, | |
const char * | cid_num, | |||
const char * | cid_name | |||
) |
Tells Asterisk the State for Device is changed.
device | devicename like a dialstring Asterisk polls the new extensionstates and calls the registered callbacks for the changed extensions Returns 0 on success, -1 on failure |
Definition at line 346 of file devicestate.c.
References __ast_device_state_changed_literal(), and ast_strdupa.
Referenced by action_devstate(), ast_channel_free(), ast_setstate_and_callerid(), devstate_cli(), and devstate_exec().
00347 { 00348 char *buf; 00349 char *buf2 = NULL; 00350 char *buf3 = NULL; 00351 buf = ast_strdupa(dev); 00352 if (cid_num) 00353 buf2 = ast_strdupa(cid_num); 00354 if (cid_name) 00355 buf3 = ast_strdupa(cid_name); 00356 return __ast_device_state_changed_literal(buf, 0, buf2, buf3); 00357 }
int ast_device_state_engine_init | ( | void | ) |
Initialize the device state engine in separate thread.
Definition at line 397 of file devicestate.c.
References ast_cond_init(), ast_log(), ast_pthread_create_background, do_devstate_changes(), and LOG_ERROR.
Referenced by main().
00398 { 00399 ast_cond_init(&change_pending, NULL); 00400 if (ast_pthread_create_background(&change_thread, NULL, do_devstate_changes, NULL) < 0) { 00401 ast_log(LOG_ERROR, "Unable to start device state change thread.\n"); 00402 return -1; 00403 } 00404 00405 return 0; 00406 }
int ast_devstate_add | ( | ast_devstate_cb_type | callback, | |
void * | data | |||
) |
Registers a device state change callback.
callback | Callback | |
data | to pass to callback The callback is called if the state for extension is changed Return -1 on failure, ID on success |
Definition at line 245 of file devicestate.c.
References ast_calloc, AST_LIST_INSERT_HEAD, AST_LIST_LOCK, and AST_LIST_UNLOCK.
Referenced by load_module().
00246 { 00247 struct devstate_cb *devcb; 00248 00249 if (!callback || !(devcb = ast_calloc(1, sizeof(*devcb)))) 00250 return -1; 00251 00252 devcb->data = data; 00253 devcb->callback = callback; 00254 00255 AST_LIST_LOCK(&devstate_cbs); 00256 AST_LIST_INSERT_HEAD(&devstate_cbs, devcb, list); 00257 AST_LIST_UNLOCK(&devstate_cbs); 00258 00259 return 0; 00260 }
void ast_devstate_del | ( | ast_devstate_cb_type | callback, | |
void * | data | |||
) |
Unregisters a device state change callback.
callback | Callback | |
data | to pass to callback The callback is called if the state for extension is changed Return -1 on failure, ID on success |
Definition at line 263 of file devicestate.c.
References AST_LIST_LOCK, AST_LIST_REMOVE_CURRENT, AST_LIST_TRAVERSE_SAFE_BEGIN, AST_LIST_TRAVERSE_SAFE_END, AST_LIST_UNLOCK, devstate_cb::callback, devstate_cb::data, and free.
Referenced by unload_module().
00264 { 00265 struct devstate_cb *devcb; 00266 00267 AST_LIST_LOCK(&devstate_cbs); 00268 AST_LIST_TRAVERSE_SAFE_BEGIN(&devstate_cbs, devcb, list) { 00269 if ((devcb->callback == callback) && (devcb->data == data)) { 00270 AST_LIST_REMOVE_CURRENT(&devstate_cbs, list); 00271 free(devcb); 00272 break; 00273 } 00274 } 00275 AST_LIST_TRAVERSE_SAFE_END; 00276 AST_LIST_UNLOCK(&devstate_cbs); 00277 }
int ast_devstate_prov_add | ( | const char * | label, | |
ast_devstate_prov_cb_type | callback | |||
) |
Add device state provider.
label | to use in hint, like label:object | |
callback | Callback |
-1 | failure | |
0 | success |
Definition at line 188 of file devicestate.c.
References ast_calloc, AST_LIST_INSERT_HEAD, AST_LIST_LOCK, and AST_LIST_UNLOCK.
Referenced by load_module().
00189 { 00190 struct devstate_prov *devprov; 00191 00192 if (!callback || !(devprov = ast_calloc(1, sizeof(*devprov)))) 00193 return -1; 00194 00195 devprov->callback = callback; 00196 ast_copy_string(devprov->label, label, sizeof(devprov->label)); 00197 00198 AST_LIST_LOCK(&devstate_provs); 00199 AST_LIST_INSERT_HEAD(&devstate_provs, devprov, list); 00200 AST_LIST_UNLOCK(&devstate_provs); 00201 00202 return 0; 00203 }
void ast_devstate_prov_del | ( | const char * | label | ) |
Remove device state provider.
label | to use in hint, like label:object |
Definition at line 206 of file devicestate.c.
References AST_LIST_LOCK, AST_LIST_REMOVE_CURRENT, AST_LIST_TRAVERSE_SAFE_BEGIN, AST_LIST_TRAVERSE_SAFE_END, AST_LIST_UNLOCK, free, and devstate_prov::label.
Referenced by unload_module().
00207 { 00208 struct devstate_prov *devcb; 00209 00210 AST_LIST_LOCK(&devstate_provs); 00211 AST_LIST_TRAVERSE_SAFE_BEGIN(&devstate_provs, devcb, list) { 00212 if (!strcasecmp(devcb->label, label)) { 00213 AST_LIST_REMOVE_CURRENT(&devstate_provs, list); 00214 free(devcb); 00215 break; 00216 } 00217 } 00218 AST_LIST_TRAVERSE_SAFE_END; 00219 AST_LIST_UNLOCK(&devstate_provs); 00220 }
int ast_parse_device_state | ( | const char * | device | ) |
Search the Channels by Name.
Definition at line 110 of file devicestate.c.
References ast_channel::_state, AST_CHANNEL_NAME, ast_channel_unlock, AST_DEVICE_INUSE, AST_DEVICE_RINGING, AST_DEVICE_UNKNOWN, ast_get_channel_by_name_prefix_locked(), AST_STATE_RINGING, and match().
Referenced by ast_device_state().
00111 { 00112 struct ast_channel *chan; 00113 char match[AST_CHANNEL_NAME]; 00114 int res; 00115 00116 ast_copy_string(match, device, sizeof(match)-1); 00117 strcat(match, "-"); 00118 chan = ast_get_channel_by_name_prefix_locked(match, strlen(match)); 00119 00120 if (!chan) 00121 return AST_DEVICE_UNKNOWN; 00122 00123 if (chan->_state == AST_STATE_RINGING) 00124 res = AST_DEVICE_RINGING; 00125 else 00126 res = AST_DEVICE_INUSE; 00127 00128 ast_channel_unlock(chan); 00129 00130 return res; 00131 }
const char* devstate2str | ( | int | devstate | ) |
Convert device state to text string for output.
devstate | Current device state |
Definition at line 100 of file devicestate.c.
Referenced by __queues_show(), do_state_change(), and handle_statechange().
00101 { 00102 return devstatestring[devstate]; 00103 }