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Diffstat (limited to 'include/cynara/cynara-monitor.h')
| -rw-r--r-- | include/cynara/cynara-monitor.h | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/include/cynara/cynara-monitor.h b/include/cynara/cynara-monitor.h deleted file mode 100644 index ce7b8d0..0000000 --- a/include/cynara/cynara-monitor.h +++ /dev/null @@ -1,421 +0,0 @@ -/* - * Copyright (c) 2016 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-monitor.h - * @author Aleksander Zdyb <a.zdyb@samsung.com> - * @version 1.0 - * @brief This file contains client APIs of Cynara monitoring. - */ - -#ifndef CYNARA_MONITOR_H -#define CYNARA_MONITOR_H - -#include <stddef.h> -#include <time.h> - -#include <cynara/cynara-error.h> -#include <cynara/cynara-limits.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct cynara_monitor_configuration cynara_monitor_configuration; -typedef struct cynara_monitor cynara_monitor; -typedef struct cynara_monitor_entry cynara_monitor_entry; - -/** - * \par Description: - * Initializes cynara_monitor_configuration. Creates structure used in following configuration - * API calls. - * - * \par Purpose: - * For configuration parameter to be used in cynara_monitor_initialize() function, this API must be - * called before any other Cynara monitor configuration API function. - * It will create cynara_monitor_configuration structure, an optional parameter - * of Cynara monitor initialization. - * - * \par Typical use case: - * Once before setting parameters of Cynara monitor configuration and passing to - * cynara_monitor_initialize(). - * - * \par Method of function operation: - * This API initializes inner library structures and in case of success returns pointer - * to created cynara_monitor_configuration structure. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safety: - * \parblock - * This function is NOT thread-safe. If this function is called simultaneously with other functions - * from described API in different threads, they must be put into protected critical section. - * - * \par Important notes: - * Structure cynara_monitor_configuration created by cynara_monitor_configuration_create() call - * should be released with cynara_monitor_configuration_destroy(). - * Structure cynara_monitor_configuration should be destroyed after passing it to - * cynara_monitor_initialize(). - * \endparblock - * - * \param[out] pp_conf Placeholder for created cynara_monitor_configuration structure. - * - * \return CYNARA_API_SUCCESS on success - * or negative error code on error. - */ -int cynara_monitor_configuration_create(cynara_monitor_configuration **pp_conf); - -/** - * \par Description: - * Releases cynara_monitor_configuration structure created - * with cynara_monitor_configuration_create(). - * - * \par Purpose: - * This API should be used to clean up after usage of cynara_monitor_configuration. - * - * \par Typical use case: - * Once cynara_monitor_configuration is not needed. - * - * \par Method of function operation: - * This API releases inner library structure and destroys cynara_monitor_configuration structure. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safety: - * This function is NOT thread-safe. If this function is called simultaneously with other functions - * from described API in different threads, they must be put into protected critical section. - * - * \param[in] p_conf cynara_monitor_configuration structure. If NULL, the call has no effect. - */ -void cynara_monitor_configuration_destroy(cynara_monitor_configuration *p_conf); - -/** - * \par Description: - * Set monitor entries buffer size. - * - * \par Purpose: - * This API is used to change default number of monitor entries stored on server side - * before returning them to client of libcynara-monitor. Buffer size cannot exceed value - * of CYNARA_MAX_MONITOR_BUFFER_SIZE, otherwise CYNARA_API_INPUT_PARAM will be returned. - * - * \par Typical use case: - * Once after cynara_configuration is created with cynara_monitor_configuration_create() - * and before passing configuration to cynara_monitor_configuration(). - * - * \par Method of function operation: - * This API initializes buffer with given capacity. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safety: - * This function is NOT thread-safe. If this function is called simultaneously with other functions - * from described API in different threads, they must be put into protected critical section. - * - * \par Important notes: - * After passing cynara_configuration to cynara_monitor_initialize() calling this API will have - * no effect. - * - * If buffer size is not set with cynara_monitor_configuration_set_buffer_size(), - * a default size will be taken. - * \endparblock - * - * \param[in] p_conf cynara_monitor_configuration structure pointer. - * \param[in] buffer_size buffer size to be set. - * - * \return CYNARA_API_SUCCESS on success - * or negative error code on error. - */ -int cynara_monitor_configuration_set_buffer_size(cynara_monitor_configuration *p_conf, - size_t buffer_size); - -/** - * \par Description: - * Initializes cynara-monitor library with given configuration. - * Creates structure used in following API calls. - * - * \par Purpose: - * This API must be used by prior calling cynara_monitor_entries_get() function. - * - * \par Typical use case: - * Once before a service can call cynara_monitor_entries_get(). - * - * \par Method of function operation: - * This API initializes inner library structures and in case of success - * creates cynara_monitor structure. - * - * \par Sync (or) Async: - * This is a Synchronous API. - * - * \par Thread-safeness: - * This function is NOT thread-safe. If this function is called simultaneously with other functions - * from described API in different threads, they must be put into protected critical section. - * - * \par Important notes: - * Structure cynara_monitor created by cynara_monitor_initialize() call should be released - * with cynara_monitor_finish(). - * - * \param[out] pp_cynara_monitor Placeholder for created cynara_monitor structure. - * \param[in] p_conf Configuration for cynara-monitor library. NULL for default parameters. - * - * \return CYNARA_API_SUCCESS on success, or error code on error. - */ -int cynara_monitor_initialize(cynara_monitor **pp_cynara_monitor, - const cynara_monitor_configuration *p_conf); - -/** - * \par Description: - * Releases cynara-monitor library and destroys structure created with cynara_monitor_initialize(). - * - * \par Purpose: - * This API should be used to clean up after the usage of cynara-monitor library. - * - * \par Typical use case: - * Once after last call to cynara_monitor_entries_get(). - * - * \par Method of function operation: - * This API releases inner library structures and destroys cynara_monitor structure. - * - * \par Sync (or) Async: - * This is a Synchronous API. - * - * \par Thread-safeness: - * This function is NOT thread-safe. If this function is called simultaneously with other functions - * from described API in different threads, they must be put into protected critical section. - * - * \par Important notes: - * No other call to libcynara-monitor should be made after call to cynara_monitor_finish(). - * This function cannot be called, if cynara_monitor_entries_get() haven't returned yet. - * - * \param[in] p_cynara_monitor Cynara monitor structure. - * - * \return CYNARA_API_SUCCESS on success, or error code on error. - */ -int cynara_monitor_finish(cynara_monitor *p_cynara_monitor); - -/** - * \brief Returns monitor entries. - * - * \par Description: - * - * Returns all available monitor entries right after the size of buffer reaches set limit. - * - * \par Purpose: - * This API should be used to get available monitor entries. - * - * \par Typical use case: - * Gathering information about possible accesses checked in Cynara by individual services. - * - * \par Method of function operation: - * \parblock - * Each call to cynara_check() made by individual services are logged. The logs can be obtained - * by privileged clients with usage of libcynara-monitor (this API). - * - * In case of successful call CYNARA_API_SUCCESS is returned and *monitor_entries points - * to newly created array of pointers to cynara_monitor_entry. It is responsibility - * of the caller to release entries with cynara_monitor_entries_free(). - * - * The function blocks until the size of buffer reaches set limit or cynara_monitor_entries_flush() - * is called from another thread. - * \endparblock - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \par Important notes: - * Although this function is thread-safe, no multiple calls are allowed. - * - * \param[in] p_cynara_monitor cynara_monitor structure. - * \param[out] monitor_entries placeholder for NULL terminated array of pointers to - * monitor_entries structures. - * - * \return CYNARA_API_SUCCESS on success, or error code otherwise. - */ -int cynara_monitor_entries_get(cynara_monitor *p_cynara_monitor, - cynara_monitor_entry ***monitor_entries); - -/** - * \brief Makes cynara_monitor_entries_get() return immediately. - * - * \par Description: - * - * When called from another thread, makes cynara_monitor_entries_get() return immediately. - * - * \par Purpose: - * This API should be used to make cynara_monitor_entries_get() return immediately. - * - * \par Typical use case: - * User of libcynara-monitor wants to immediately get get monitor entries and/or make - * cynara_monitor_entries_get() return without waiting for full batch of entries. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \param[in] p_cynara_monitor cynara_monitor structure. - * - * \return CYNARA_API_SUCCESS on success, or error code otherwise. - */ -int cynara_monitor_entries_flush(cynara_monitor *p_cynara_monitor); - -/** - * \brief Releases monitor entries. - * - * \par Description: - * - * Releases monitor entries obtained with cynara_monitor_entries_get(). - * - * \par Purpose: - * This API should be used to release array of cynara_monitor_entry obtained - * with cynara_monitor_entries_get. - * - * \par Typical use case: - * When user obtained all needed data from the entries and won't be accessing the - * memory any more. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \param[in] monitor_entries NULL terminated array of cynara_monitor_entry to be released. - */ -void cynara_monitor_entries_free(cynara_monitor_entry **monitor_entries); - -/** - * \brief Gets client from monitor_entry - * - * \par Description: - * Gives access to client field of monitor_entry given as a parameter. - * Please refer to cynara_check() in cynara-client.h for more information on client field. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \par Important notes: - * The returned pointer is valid as long as given monitor_entry is. - * - * \param[in] monitor_entry cynara_monitor_entry to be accessed. - * - * \return valid const char * pointer or NULL in case of error. - */ -const char *cynara_monitor_entry_get_client(const cynara_monitor_entry *monitor_entry); - -/** - * \brief Gets user from monitor_entry - * - * \par Description: - * Gives access to user field of monitor_entry given as a parameter. - * Please refer to cynara_check() in cynara-client.h for more information on user field. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \par Important notes: - * The returned pointer is valid as long as given monitor_entry is. - * - * \param[in] monitor_entry cynara_monitor_entry to be accessed. - * - * \return valid const char * pointer or NULL in case of error. - */ -const char *cynara_monitor_entry_get_user(const cynara_monitor_entry *monitor_entry); - -/** - * \brief Gets privilege from monitor_entry - * - * \par Description: - * Gives access to privilege field of monitor_entry given as a parameter. - * Please refer to cynara_check() in cynara-client.h for more information on privilege field. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \par Important notes: - * The returned pointer is valid as long as given monitor_entry is. - * - * \param[in] monitor_entry cynara_monitor_entry to be accessed. - * - * \return valid const char * pointer or NULL in case of error. - */ -const char *cynara_monitor_entry_get_privilege(const cynara_monitor_entry *monitor_entry); - -/** - * \brief Gets result from monitor_entry - * - * \par Description: - * Gives access to result field of monitor_entry given as a parameter. - * In case of successful get, the result is one of CYNARA_API_ACCESS_ALLOWED - * or CYNARA_API_ACCESS_DENIED. In case of error a negative code error is returned. - * Please refer to cynara-error.h for more information. - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \param[in] monitor_entry cynara_monitor_entry to be accessed. - * - * \return CYNARA_API_ACCESS_ALLOWED on access allowed, CYNARA_API_ACCESS_DENIED on access denial - * or other error code on error. - */ -int cynara_monitor_entry_get_result(const cynara_monitor_entry *monitor_entry); - -/** - * \brief Gets timestamp from monitor_entry - * - * \par Description: - * Gives access to timestamp field of monitor_entry given as a parameter. - * This is the time of cynara_check() being invoked. Please refer to cynara-client.h - * for more information about cynara_check(). - * - * \par Sync (or) Async: - * This is a synchronous API. - * - * \par Thread-safeness: - * This function is thread-safe. - * - * \par Important notes: - * The returned pointer is valid as long as given monitor_entry is. - * - * \param[in] monitor_entry cynara_monitor_entry to be accessed. - * - * \return valid const istruct timspec * pointer or NULL in case of error. - */ -const struct timespec *cynara_monitor_entry_get_timestamp( - const cynara_monitor_entry *monitor_entry); - -#ifdef __cplusplus -} -#endif - -#endif /* CYNARA_MONITOR_H */ |