event_machine_version.h

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/*
 *   Copyright (c) 2021, Nokia Solutions and Networks
 *   All rights reserved.
 *
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 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef EVENT_MACHINE_VERSION_H
#define EVENT_MACHINE_VERSION_H
 
#pragma GCC visibility push(default)
 
/**
 * @file
 * Event Machine version information
 */
 
#ifdef __cplusplus
extern "C" {
#endif
 
/**
 * @defgroup em_version Version
 * EM version information for the API and implementation
 *
 * The EM version numbering scheme reflects the used EM API version:
 * @verbatim
 * maj.min.impl(-fix)
 *     maj.min = EM API version supported
 *               maj = major API version number, reserved for big changes
 *              .min = minor API version, incremented when the API changes
 *       .impl = Implementation number supporting EM API version maj.min
 *               Updated for implementations with no API changes, starts at .0
 *        -fix = Fix number, added for bugfixes on a certain implementation
 *               version maj.min.impl (-0 is not added, first fix is -1)
 * Examples:
 *  1) EM version 2.7.0
 *     maj.min = 2.7: supports EM API v2.7
 *       .impl =  .0: first implementation supporting API 2.7 (starts at .0)
 *        -fix = n/a, no fix
 *  2) EM version 2.7.1-3
 *     maj.min = 2.7: supports EM API v2.7
 *       .impl =  .1: second implementation supporting API 2.7 (starts at .0)
 *        -fix =  -3: third bugfix for 2.7.1
 * @endverbatim
 *
 * Compile time version information can be obtained via the EM_VERSION_...
 * macros and defines.
 * The EM API version is identified by EM_VERSION_API_... preprocessor defines
 * while the EM implementation version is identified by using EM_VERSION_...
 *
 * In addition to these compile time defines, EM API calls can be used to
 * identify the implementation and API version at run time.
 * @{
 */
 
/**
 *  Event Machine for Open Data Plane
 */
#define EM_ODP 1
 
/**
 * EM target string: EM-on-ODP
 */
#define EM_TARGET_STR "em-odp"
 
/**
 * EM build string (obtained from git)
 */
#define EM_BUILD_INFO_STR "55b8565 2026-08-04 18:19"
 
/**
 * Major EM API version number.
 *
 * @verbatim MAJ.min.impl-fix @endverbatim
 * (e.g. 2.7.1-3, major API version is 2)
 */
#define EM_VERSION_API_MAJOR  4
/* Backwards compatible naming */
#define EM_API_VERSION_MAJOR  EM_VERSION_API_MAJOR
 
/**
 * Minor EM API version number.
 *
 * @verbatim maj.MIN.impl-fix @endverbatim
 * maj.MIN.impl-fix (e.g. 2.7.1-3: minor API version is 7)
 */
#define EM_VERSION_API_MINOR  4
/* Backwards compatible naming */
#define EM_API_VERSION_MINOR  EM_VERSION_API_MINOR
 
/**
 * Implementation version of the API
 *
 * @verbatim maj.min.IMPL-fix @endverbatim
 * (e.g. 2.7.1-3: implementation version of API 2.7 is 1)
 */
#define EM_VERSION_IMPLEMENTATION  0
 
/**
 * Fix version of the implementation
 *
 * @verbatim maj.min.impl-FIX @endverbatim
 * (e.g. 2.7.1-3: fix version of implementation 2.7.1 is 3)
 */
#define EM_VERSION_FIX  0
 
/**
 * EM API version string "maj.min"
 */
#define EM_VERSION_API_STR "4.4"
 
/**
 * EM version string "maj.min.impl(-fix)"
 */
#define EM_VERSION_STR "4.4.0"
 
/**
 * EM API version number macro
 *
 * Macro to build a version number for API version number comparisons
 *
 * @code {.c}
 * #if EM_VERSION_API > EM_VERSION_API_NUM(2, 7)
 *         ...code...
 * #endif
 * @endcode
 *
 * @see EM_VERSION_NUM() for full version number macro
 */
#define EM_VERSION_API_NUM(api_maj, api_min)  (((api_maj) & 0xffU) << 24 | \
                                               ((api_min) & 0xffU) << 16)
/**
 * EM full version number macro
 *
 * Macro to build a version number for version number comparisons
 *
 * @code {.c}
 * #if EM_VERSION > EM_VERSION_NUM(2, 7, 1, 3)
 *         ...code...
 * #endif
 * @endcode
 *
 * @see EM_VERSION_API_NUM() for API version number macro
 */
#define EM_VERSION_NUM(api_maj, api_min, impl, fix) (((api_maj) & 0xffU) << 24 | \
                                                     ((api_min) & 0xffU) << 16 | \
                                                     ((impl) & 0xffU) << 8     | \
                                                     ((fix) & 0xffU))
/**
 * EM API version number
 *
 * EM API version number for comparisons against the EM_VERSION_API_NUM()
 * macro output.
 *
 * @code {.c}
 * #if EM_VERSION_API > EM_VERSION_API_NUM(2, 7)
 *         ...code...
 * #endif
 * @endcode
 */
#define EM_VERSION_API  EM_VERSION_API_NUM(EM_VERSION_API_MAJOR, \
                                           EM_VERSION_API_MINOR)
/**
 * EM full version number
 *
 * EM version number for comparisons against the EM_VERSION_NUM()
 * macro output.
 *
 * @code {.c}
 * #if EM_VERSION > EM_VERSION_NUM(2, 7, 1, 3)
 *         ...code...
 * #endif
 * @endcode
 */
#define EM_VERSION  EM_VERSION_NUM(EM_VERSION_API_MAJOR, EM_VERSION_API_MINOR, \
                                   EM_VERSION_IMPLEMENTATION, EM_VERSION_FIX)
 
/**
 * EM API version string
 *
 * Runtime EM API version string.
 * Runtime and build-time versions might differ if the EM library has been
 * updated after the application build.
 *
 * The API version string defines the EM API version in this format:
 * @verbatim maj.min @endverbatim
 *
 * The string is null terminated.
 *
 * @return Pointer to the API version string
 */
const char *em_version_api_str(void);
 
/**
 * EM API version number
 *
 * Runtime EM API version number.
 * Runtime and build-time versions might differ if the EM library has been
 * updated after the application build.
 *
 * @return EM API version packed into an unsigned int
 */
unsigned int em_version_api_num(void);
 
/**
 * EM full version string
 *
 * Runtime EM version string.
 * Runtime and build-time versions might differ if the EM library has been
 * updated after the application build.
 *
 * The version string defines the EM full version in this format:
 * @verbatim maj.min.impl(-fix) @endverbatim
 * where -fix is only added for bugfix versions (i.e. -fix > 0)
 *
 * The string is null terminated.
 *
 * @return Pointer to the version string
 */
const char *em_version_str(void);
 
/**
 * EM full version number
 *
 * Runtime EM version number.
 * Runtime and build-time versions might differ if the EM library has been
 * updated after the application build.
 *
 * @return EM full version packed into an unsigned int
 */
unsigned int em_version_num(void);
 
/**
 * @}
 */
#ifdef __cplusplus
}
#endif
 
#pragma GCC visibility pop
#endif /* EVENT_MACHINE_VERSION_H */