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e8f4ac6c61
When implementing playback for stasis-http, the monolithicedness of res_stasis really started to get in my way. This patch breaks the major components of res_stasis.c into individual files. * res/stasis/app.c - Stasis application tracking * res/stasis/control.c - Channel control objects * res/stasis/command.c - Channel command object This refactoring also allows res_stasis applications to be loaded as independent modules, such as the new res_stasis_answer module. The bulk of this patch is simply moving code from one file to another, adjusting names and adding accessors as necessary. Review: https://reviewboard.asterisk.org/r/2530/ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@388729 65c4cc65-6c06-0410-ace0-fbb531ad65f3
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2013, Digium, Inc.
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*
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* David M. Lee, II <dlee@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#ifndef _ASTERISK_RES_STASIS_H
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#define _ASTERISK_RES_STASIS_H
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/*! \file
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*
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* \brief Backend API for implementing components of res_stasis.
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*
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* \author David M. Lee, II <dlee@digium.com>
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* \since 12
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*
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* This file defines functions useful for defining new commands to execute
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* on channels while they are in Stasis.
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*/
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#include "asterisk/stasis_app.h"
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/*!
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* \since 12
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* \brief Control a channel using \c stasis_app.
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*
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* This function blocks until the channel hangs up, or
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* stasis_app_control_continue() is called on the channel's \ref
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* stasis_app_control struct.
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*
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* \param chan Channel to control with Stasis.
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* \param app_name Application controlling the channel.
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* \param argc Number of arguments for the application.
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* \param argv Arguments for the application.
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*/
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int stasis_app_exec(struct ast_channel *chan, const char *app_name, int argc,
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char *argv[]);
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/*! Callback type for stasis app commands */
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typedef void *(*stasis_app_command_cb)(struct stasis_app_control *control,
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struct ast_channel *chan, void *data);
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/*!
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* \since 12
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* \brief Invokes a \a command on a \a control's channel.
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*
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* This function dispatches the command to be executed in the context of
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* stasis_app_exec(), so this command will block waiting for the results of
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* the command.
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*
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* \param control Control object for the channel to send the command to.
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* \param command Command function to execute.
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* \param data Optional data to pass along with the control function.
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* \return Return value from \a command.
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* \return \c NULL on error.
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*/
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void *stasis_app_send_command(struct stasis_app_control *control,
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stasis_app_command_cb command, void *data);
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/*!
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* \since 12
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* \brief Asynchronous version of stasis_app_send().
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*
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* This function enqueues a command for execution, but returns immediately
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* without waiting for the response.
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*
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* \param control Control object for the channel to send the command to.
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* \param command Command function to execute.
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* \param data Optional data to pass along with the control function.
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* \return 0 on success.
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* \return Non-zero on error.
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*/
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int stasis_app_send_command_async(struct stasis_app_control *control,
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stasis_app_command_cb command, void *data);
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#endif /* _ASTERISK_RES_STASIS_H */
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