asterisk/res/stasis/command.h

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2023-05-25 18:45:57 +00:00
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* David M. Lee, II <dlee@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
#ifndef _ASTERISK_RES_STASIS_COMMAND_H
#define _ASTERISK_RES_STASIS_COMMAND_H
/*! \file
*
* \brief Internal API for the Stasis application commands.
*
* \author David M. Lee, II <dlee@digium.com>
* \since 12
*/
#include "asterisk/stasis_app_impl.h"
struct stasis_app_command;
struct stasis_app_command *command_create(
stasis_app_command_cb callback, void *data,
command_data_destructor_fn data_destructor);
void command_complete(struct stasis_app_command *command, int retval);
void command_invoke(struct stasis_app_command *command,
struct stasis_app_control *control, struct ast_channel *chan);
int command_join(struct stasis_app_command *command);
/*!
* \brief Queue a Stasis() prestart command for a channel
*
* \pre chan must be locked
*
* \param chan The channel on which to queue the prestart command
* \param command_fn The callback to call for the command
* \param data The data to pass to the command callback
* \param data_destructor Optional function which will be called on
* the data in either the event of command completion or failure
* to schedule or complete the command
*
* \retval zero on success
* \retval non-zero on failure
*/
int command_prestart_queue_command(struct ast_channel *chan,
stasis_app_command_cb command_fn, void *data,
command_data_destructor_fn data_destructor);
/*!
* \brief Get the Stasis() prestart commands for a channel
*
* \pre chan must be locked
*
* \param chan The channel from which to get prestart commands
*
* \return The command prestart container for chan (must be ao2_cleanup()'d)
*/
struct ao2_container *command_prestart_get_container(struct ast_channel *chan);
#endif /* _ASTERISK_RES_STASIS_CONTROL_H */