Merge changes dealing with support for Digium phones.

Presence support has been added. This is accomplished by
allowing for presence hints in addition to device state
hints. A dialplan function called PRESENCE_STATE has been
added to allow for setting and reading presence. Presence
can be transmitted to Digium phones using custom XML
elements in a PIDF presence document.

Voicemail has new APIs that allow for moving, removing,
forwarding, and playing messages. Messages have had a new
unique message ID added to them so that the APIs will work
reliably. The state of a voicemail mailbox can be obtained
using an API that allows one to get a snapshot of the mailbox.
A voicemail Dialplan App called VoiceMailPlayMsg has been
added to be able to play back a specific message.

Configuration hooks have been added. Configuration hooks
allow for a piece of code to be executed when a specific
configuration file is loaded by a specific module. This is
useful for modules that are dependent on the configuration
of other modules.

chan_sip now has a public method that allows for a custom
SIP INFO request to be sent mid-dialog. Digium phones use
this in order to display progress bars when files are played.

Messaging support has been expanded a bit. The main
visible difference is the addition of an AMI action
MessageSend.

Finally, a ParkingLots manager action has been added in order
to get a list of parking lots.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@368435 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 57 insertions, 0 deletions

diff --git a/include/asterisk/config.h b/include/asterisk/config.h
index 5e71d80b1..b2ffcf5c4 100644
--- a/include/asterisk/config.h
+++ b/include/asterisk/config.h
@@ -589,6 +589,63 @@ int ast_config_text_file_save(const char *filename, const struct ast_config *cfg
 int config_text_file_save(const char *filename, const struct ast_config *cfg, const char *generator) __attribute__((deprecated));
 
 struct ast_config *ast_config_internal_load(const char *configfile, struct ast_config *cfg, struct ast_flags flags, const char *suggested_incl_file, const char *who_asked);
+/*!
+ * \brief
+ * Copies the contents of one ast_config into another
+ *
+ * \note
+ * This creates a config on the heap. The caller of this must
+ * be prepared to free the memory returned.
+ *
+ * \param orig the config to copy
+ * \return The new config on success, NULL on failure.
+ */
+struct ast_config *ast_config_copy(const struct ast_config *orig);
+
+/*!
+ * \brief
+ * Flags that affect the behaviour of config hooks.
+ */
+enum config_hook_flags {
+	butt,
+};
+
+/*
+ * \brief Callback when configuration is updated
+ *
+ * \param cfg A copy of the configuration that is being changed.
+ *            This MUST be freed by the callback before returning.
+ */
+typedef int (*config_hook_cb)(struct ast_config *cfg);
+
+/*!
+ * \brief
+ * Register a config hook for a particular file and module
+ *
+ * \param name The name of the hook you are registering.
+ * \param filename The file whose config you wish to hook into.
+ * \param module The module that is reloading the config. This
+ *               can be useful if multiple modules may possibly
+ *               reload the same file, but you are only interested
+ *               when a specific module reloads the file
+ * \param flags Flags that affect the way hooks work.
+ * \param hook The callback to be called when config is loaded.
+ * return 0 Success
+ * return -1 Unsuccess, also known as UTTER AND COMPLETE FAILURE
+ */
+int ast_config_hook_register(const char *name,
+		const char *filename,
+		const char *module,
+		enum config_hook_flags flags,
+		config_hook_cb hook);
+
+/*!
+ * \brief
+ * Unregister a config hook
+ *
+ * \param name The name of the hook to unregister
+ */
+void ast_config_hook_unregister(const char *name);
 
 /*!
  * \brief Support code to parse config file arguments