asterisk/channels/iax2/include/firmware.h

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2023-05-25 18:45:57 +00:00
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Mark Spencer <markster@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.
*/
/*! \file
*
* \brief IAX Firmware Support header file
*/
#ifndef _IAX2_FIRMWARE_H
#define _IAX2_FIRMWARE_H
#include "parser.h"
/*!
* \internal
* \brief Reload the list of available firmware.
*
* Searches the IAX firmware directory, adding new firmware that is available
* and removing firmware that is no longer available.
*/
void iax_firmware_reload(void);
/*!
* \internal
* \brief Unload all of the currently loaded firmware.
*/
void iax_firmware_unload(void);
/*!
* \internal
* \brief Determine the version number of the specified firmware.
*
* \param device_name The device name of the firmware for which we want the
* version.
* \param[out] version Pointer to a variable where the version number is
* stored upon return.
*
* \retval 1 on success
* \retval 0 on failure
*/
int iax_firmware_get_version(const char *device_name,
uint16_t *version);
/*!
* \internal
* \brief Add firmware related IEs to an IAX2 IE buffer.
*
* \param ie_data The IE buffer being appended to.
* \param device_name The name of the requested firmware.
* \param block_desc The requested firmware block identification.
*
* Search the list of loaded firmware for \c device_name and, if found, add the
* appropriate FWBLOCKDESC and FWBLOCKDATA IEs to the specified \c ie_data
* list.
*
* \retval 0 on success
* \retval non-zero on failure
*/
int iax_firmware_append(struct iax_ie_data *ie_data,
const char *device_name, unsigned int block_desc);
/*!
* \internal
* \brief Iterate over the list of currently loaded IAX firmware.
*
* \param prefix The prefix of the device to filter for, or \c NULL to visit
* all firmware records.
* \param callback A pointer to a function to call for each firmware record
* that is visited.
* \param user_data A pointer to user supplied data that will be passed to the
* \c callback function each time it is invoked.
*
* This function visits each of the elements in the IAX firmware list, calling
* the specfied \c callback for each element. Iteration continues until the end
* of the list is reached, or the \c callback returns non-zero.
*
* The \c callback function receives a pointer to the firmware header and the
* value of the \c user_data argument that was passed in, which may be \c NULL.
*/
void iax_firmware_traverse(const char *prefix,
int (*callback)(struct ast_iax2_firmware_header *header, void *user_data),
void *user_data);
#endif