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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_RINGING 6 |
#define | AST_DEVICE_UNAVAILABLE 5 |
#define | AST_DEVICE_UNKNOWN 0 |
Typedefs | |
typedef int(* | ast_devstate_cb_type )(const char *dev, int state, void *data) |
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) |
Tells Asterisk the State for Device is changed. | |
int | ast_device_state_engine_init (void) |
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) |
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.
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Device is busy Definition at line 37 of file devicestate.h. Referenced by agent_devicestate(), ast_extension_state2(), sip_devicestate(), and update_dial_status(). |
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Device is in use Definition at line 35 of file devicestate.h. Referenced by agent_devicestate(), ast_extension_state2(), ast_parse_device_state(), and sip_devicestate(). |
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Device is invalid Definition at line 39 of file devicestate.h. Referenced by agent_devicestate(), ast_device_state(), ast_extension_state2(), get_member_status(), iax2_devicestate(), sip_devicestate(), and update_dial_status(). |
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Device is not used Definition at line 33 of file devicestate.h. Referenced by ast_device_state(), ast_extension_state2(), and sip_devicestate(). |
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Device is ringing Definition at line 43 of file devicestate.h. Referenced by ast_extension_state2(), and ast_parse_device_state(). |
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Device is unavailable Definition at line 41 of file devicestate.h. Referenced by agent_devicestate(), ast_extension_state2(), get_member_status(), iax2_devicestate(), sip_devicestate(), transmit_state_notify(), and update_dial_status(). |
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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_parse_device_state(), iax2_devicestate(), sip_devicestate(), and update_dial_status(). |
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Definition at line 45 of file devicestate.h. |
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Asks a channel for device state.
Definition at line 104 of file devicestate.c. References AST_DEVICE_INVALID, AST_DEVICE_NOT_INUSE, AST_DEVICE_UNKNOWN, ast_get_channel_tech(), ast_parse_device_state(), ast_strdupa, ast_channel_tech::devicestate, strsep(), and ast_channel::tech. Referenced by ast_extension_state2(), chanavail_exec(), create_queue_member(), do_state_change(), reload_queues(), and transmit_state_notify(). 00105 { 00106 char *buf; 00107 char *tech; 00108 char *number; 00109 const struct ast_channel_tech *chan_tech; 00110 int res = 0; 00111 00112 buf = ast_strdupa(device); 00113 tech = strsep(&buf, "/"); 00114 number = buf; 00115 if (!number) 00116 return AST_DEVICE_INVALID; 00117 00118 chan_tech = ast_get_channel_tech(tech); 00119 if (!chan_tech) 00120 return AST_DEVICE_INVALID; 00121 00122 if (!chan_tech->devicestate) /* Does the channel driver support device state notification? */ 00123 return ast_parse_device_state(device); /* No, try the generic function */ 00124 else { 00125 res = chan_tech->devicestate(number); /* Ask the channel driver for device state */ 00126 if (res == AST_DEVICE_UNKNOWN) { 00127 res = ast_parse_device_state(device); 00128 /* at this point we know the device exists, but the channel driver 00129 could not give us a state; if there is no channel state available, 00130 it must be 'not in use' 00131 */ 00132 if (res == AST_DEVICE_UNKNOWN) 00133 res = AST_DEVICE_NOT_INUSE; 00134 return res; 00135 } else 00136 return res; 00137 } 00138 }
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Tells Asterisk the State for Device is changed.
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Tells Asterisk the State for Device is changed.
Definition at line 227 of file devicestate.c. References __ast_device_state_changed_literal(), and ast_strdupa. Referenced by ast_channel_free(), and ast_setstate(). 00228 { 00229 char *buf; 00230 buf = ast_strdupa(dev); 00231 return __ast_device_state_changed_literal(buf); 00232 }
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Definition at line 272 of file devicestate.c. References ast_cond_init(), ast_log(), ast_pthread_create, change_pending, change_thread, do_devstate_changes(), and LOG_ERROR. 00273 { 00274 ast_cond_init(&change_pending, NULL); 00275 if (ast_pthread_create(&change_thread, NULL, do_devstate_changes, NULL) < 0) { 00276 ast_log(LOG_ERROR, "Unable to start device state change thread.\n"); 00277 return -1; 00278 } 00279 00280 return 0; 00281 }
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Registers a device state change callback.
Definition at line 141 of file devicestate.c. References AST_LIST_INSERT_HEAD, AST_LIST_LOCK, AST_LIST_UNLOCK, calloc, and list. Referenced by load_module(). 00142 { 00143 struct devstate_cb *devcb; 00144 00145 if (!callback) 00146 return -1; 00147 00148 devcb = calloc(1, sizeof(*devcb)); 00149 if (!devcb) 00150 return -1; 00151 00152 devcb->data = data; 00153 devcb->callback = callback; 00154 00155 AST_LIST_LOCK(&devstate_cbs); 00156 AST_LIST_INSERT_HEAD(&devstate_cbs, devcb, list); 00157 AST_LIST_UNLOCK(&devstate_cbs); 00158 00159 return 0; 00160 }
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Definition at line 163 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, free, and list. Referenced by unload_module(). 00164 { 00165 struct devstate_cb *devcb; 00166 00167 AST_LIST_LOCK(&devstate_cbs); 00168 AST_LIST_TRAVERSE_SAFE_BEGIN(&devstate_cbs, devcb, list) { 00169 if ((devcb->callback == callback) && (devcb->data == data)) { 00170 AST_LIST_REMOVE_CURRENT(&devstate_cbs, list); 00171 free(devcb); 00172 break; 00173 } 00174 } 00175 AST_LIST_TRAVERSE_SAFE_END; 00176 AST_LIST_UNLOCK(&devstate_cbs); 00177 }
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Search the Channels by Name.
Definition at line 80 of file devicestate.c. References ast_channel::_state, AST_CHANNEL_NAME, AST_DEVICE_INUSE, AST_DEVICE_RINGING, AST_DEVICE_UNKNOWN, ast_get_channel_by_name_prefix_locked(), ast_mutex_unlock(), AST_STATE_RINGING, ast_channel::lock, and match(). Referenced by ast_device_state(). 00081 { 00082 struct ast_channel *chan; 00083 char match[AST_CHANNEL_NAME]; 00084 int res; 00085 00086 ast_copy_string(match, device, sizeof(match)-1); 00087 strcat(match, "-"); 00088 chan = ast_get_channel_by_name_prefix_locked(match, strlen(match)); 00089 00090 if (!chan) 00091 return AST_DEVICE_UNKNOWN; 00092 00093 if (chan->_state == AST_STATE_RINGING) 00094 res = AST_DEVICE_RINGING; 00095 else 00096 res = AST_DEVICE_INUSE; 00097 00098 ast_mutex_unlock(&chan->lock); 00099 00100 return res; 00101 }
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Convert device state to text string for output.
Definition at line 74 of file devicestate.c. Referenced by __queues_show(), changethread(), and do_state_change(). 00075 { 00076 return devstatestring[devstate]; 00077 }
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