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res_stasis: Add ability to switch applications.

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Added the ability to move between Stasis applications within Stasis.
This can be done by calling 'move' in an application, providing (at
minimum) the channel's id and the application to switch to. If the
application is not registered or active, nothing will happen and the
channel will remain in the current application, and an event will be
triggered to let the application know that the move failed. The event
name is "ApplicationMoveFailed", and provides the "destination" that the
channel was attempting to move to, as well as the usual channel
information. Optionally, a list of arguments can be passed to the
function call for the receiving application. A full example of a 'move'
call would look like this:

client.channels.move(channelId, app, appArgs)

The control object used to control the channel in Stasis can now switch
which application it belongs to, rather than belonging to one Stasis
application for its lifetime. This allows us to use the same control
object instead of having to tear down the current one and create
another.

ASTERISK-28267 #close

Change-Id: I43d12b10045a98a8d42541889b85695be26f288a
This commit is contained in:
Ben Ford
2019-03-07 07:52:20 -06:00
parent a32f525489
commit 6626df586e
12 changed files with 703 additions and 14 deletions
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28
res/ari/resource_channels.h
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@@ -261,6 +261,34 @@ int ast_ari_channels_continue_in_dialplan_parse_body(
* \param[out] response HTTP response
*/
void ast_ari_channels_continue_in_dialplan(struct ast_variable *headers, struct ast_ari_channels_continue_in_dialplan_args *args, struct ast_ari_response *response);
/*! Argument struct for ast_ari_channels_move() */
struct ast_ari_channels_move_args {
/*! Channel's id */
const char *channel_id;
/*! The channel will be passed to this Stasis application. */
const char *app;
/*! The application arguments to pass to the Stasis application provided by 'app'. */
const char *app_args;
};
/*!
* \brief Body parsing function for /channels/{channelId}/move.
* \param body The JSON body from which to parse parameters.
* \param[out] args The args structure to parse into.
* \retval zero on success
* \retval non-zero on failure
*/
int ast_ari_channels_move_parse_body(
struct ast_json *body,
struct ast_ari_channels_move_args *args);
/*!
* \brief Move the channel from one Stasis application to another.
*
* \param headers HTTP headers
* \param args Swagger parameters
* \param[out] response HTTP response
*/
void ast_ari_channels_move(struct ast_variable *headers, struct ast_ari_channels_move_args *args, struct ast_ari_response *response);
/*! Argument struct for ast_ari_channels_redirect() */
struct ast_ari_channels_redirect_args {
/*! Channel's id */