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Diffstat (limited to 'include/cynara/cynara-session.h')
-rw-r--r-- | include/cynara/cynara-session.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/cynara/cynara-session.h b/include/cynara/cynara-session.h new file mode 100644 index 0000000..1c76bce --- /dev/null +++ b/include/cynara/cynara-session.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2014-2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + */ +/** + * @file src/include/cynara-session.h + * @author Aleksander Zdyb <a.zdyb@samsung.com> + * @author Radoslaw Bartosiak <r.bartosiak@samsung.com.pl> + * @author Lukasz Wojciechowski <l.wojciechow@partner.samsung.com> + * @author Oskar Switalski <o.switalski@samsung.com> + * @version 1.0 + * @brief This file contains Cynara session helper APIs. + * @example cynara-session.example + */ + +#ifndef CYNARA_SESSION_H +#define CYNARA_SESSION_H + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \par Description: + * Creates a client session string based on pid and time of creation of client process + * + * \par Purpose: + * This function can be used to create session string identifier used in cynara_check() + * and cynara_async_create_request() functions defined in client libraries. + * + * \par Typical use case: + * The function is called before the call of cynara_check() or cynara_async_create_request() + * function. Returned string is used as client_session param in cynara_check() or + * cynara_async_create_request() function. String is released with free() function. + * + * \par Method of function operation: + * The function generates client session based on the pid and start time of the client process. + * Time is acquired from /proc/PID directory. + * + * \par Sync (or) Async: + * This is a synchronous API. + * + * \par Thread safety: + * This function is thread-safe. + * + * \par Important notes: + * Memory for returned string is obtained with malloc(), and should be freed with free(). + * + * \param[in] client_pid client application process identifier (PID). + * + * \return session string on success + * \return NULL on error + */ +char *cynara_session_from_pid(pid_t client_pid); + +#ifdef __cplusplus +} +#endif + +#endif /* CYNARA_SESSION_H */ |