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Merge hint patch, add new variables, and misc. PBX cleanups

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@722 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-03-30 22:55:42 +00:00
parent a987ef1163
commit e6918cb42e
12 changed files with 569 additions and 34 deletions
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66
include/asterisk/pbx.h
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@@ -29,12 +29,27 @@ extern "C" {
//! Special return values from applications to the PBX
#define AST_PBX_KEEPALIVE 10 /* Destroy the thread, but don't hang up the channel */
//! Special Priority for an hint
#define PRIORITY_HINT -1
//! Extension states
//! No device INUSE or BUSY
#define AST_EXTENSION_NOT_INUSE 0
//! One or more devices INUSE
#define AST_EXTENSION_INUSE 1
//! All devices BUSY
#define AST_EXTENSION_BUSY 2
//! All devices UNAVAILABLE/UNREGISTERED
#define AST_EXTENSION_UNAVAILABLE 3
struct ast_context;
struct ast_exten;
struct ast_include;
struct ast_ignorepat;
struct ast_sw;
typedef int (*ast_notify_cb_type)(char *context, char* id, int state, void *data);
//! Data structure associated with an asterisk switch
struct ast_switch {
/*! NULL */
@@ -189,6 +204,57 @@ int ast_register_application(char *app, int (*execute)(struct ast_channel *, voi
*/
int ast_unregister_application(char *app);
//! Uses hint and devicestate callback to get the state of an extension
/*!
* \param c this is not important
* \param context which context to look in
* \param exten which extension to get state
* Returns extension state !! = AST_EXTENSION_???
*/
int ast_extension_state(struct ast_channel *c, char *context, char *exten);
//! Tells Asterisk the State for Device is changed
/*!
* \param 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
*/
int ast_device_state_changed(char *device);
//! Registers a state change callback
/*!
* \param context which context to look in
* \param exten which extension to get state
* \param callback callback to call if state changed
* \param data to pass to callback
* The callback is called if the state for extension is changed
* Return -1 on failure, ID on success
*/
int ast_extension_state_add(char *context, char *exten,
ast_notify_cb_type callback, void *data);
//! Deletes a registered state change callback by ID
/*!
* \param id of the callback to delete
* Removes the callback from list of callbacks
* Return 0 on success, -1 on failure
*/
int ast_extension_state_del(int id);
//! If an extension exists, return non-zero
/*!
* \param hint buffer for hint
* \param maxlen size of hint buffer
* \param c this is not important
* \param context which context to look in
* \param exten which extension to search for
* If an extension within the given context with the priority PRIORITY_HINT
* is found a non zero value will be returned.
* Otherwise, 0 is returned.
*/
int ast_get_hint(char *hint, int maxlen, struct ast_channel *c, char *context, char *exten);
//! If an extension exists, return non-zero
// work
/*!