Logger.h

// Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
// SPDX-License-Identifier: BSD-3-Clause-Clear
 
#ifndef LOGGER_H
#define LOGGER_H
 
#include <string>
#include <ctime>
#include <chrono>
#include <fstream>
#include <cstdarg>
#include <sstream>
#include <syslog.h>
 
#define LOGD(tag, message) Logger::log(LOG_DEBUG, tag, __func__, message)
#define LOGI(tag, message) Logger::log(LOG_INFO, tag, __func__, message)
#define LOGE(tag, message) Logger::log(LOG_ERR, tag, __func__, message)
#define TYPELOGV(type, args...) Logger::typeLog(type, __func__, args)
#define TYPELOGD(type) Logger::typeLog(type, __func__)
 
enum RedirectOptions {
    LOG_TOFILE,
    LOG_TOSYSLOG
};
 
enum CommonMessageTypes {
    ERRNO_LOG,
    CLIENT_ALLOCATION_FAILURE,
    PROPERTY_RETRIEVAL_FAILED,
    PULSE_MONITOR_INIT_FAILED,
    GARBAGE_COLLECTOR_INIT_FAILED,
    MEMORY_POOL_INVALID_BLOCK_SIZE,
    MEMORY_POOL_BLOCK_RETRIEVAL_FAILURE,
    MEMORY_POOL_ALLOCATION_FAILURE,
    NOTIFY_MODULE_ENABLED,
    NOTIFY_MODULE_NOT_ENABLED,
    SYSTEM_THREAD_CREATION_FAILURE,
    SYSTEM_THREAD_NOT_JOINABLE,
    MODULE_INIT_FAILED,
    REQUEST_MEMORY_ALLOCATION_FAILURE,
    REQUEST_MEMORY_ALLOCATION_FAILURE_HANDLE,
    LISTENER_THREAD_CREATION_SUCCESS,
    LISTENER_THREAD_CREATION_FAILURE,
    NOTIFY_EXTENSIONS_LIB_NOT_PRESENT,
    NOTIFY_EXTENSIONS_LOAD_FAILED,
    NOTIFY_EXTENSIONS_LIB_LOADED_SUCCESS,
    REQUEST_PARSING_FAILURE,
    META_CONFIG_PARSE_FAILURE,
    THREAD_POOL_CREATION_FAILURE,
    THREAD_POOL_INIT_FAILURE,
    THREAD_POOL_THREAD_ALLOCATION_FAILURE,
    THREAD_POOL_THREAD_CREATION_FAILURE,
    THREAD_POOL_THREAD_TERMINATED,
    THREAD_POOL_ENQUEUE_TASK_FAILURE,
    THREAD_POOL_FULL_ALERT,
    TIMER_START_FAILURE,
    VERIFIER_INVALID_OPCODE,
    VERIFIER_INVALID_DEVICE_MODE,
    VERIFIER_INVALID_PRIORITY,
    VERIFIER_VALUE_OUT_OF_BOUNDS,
    VERIFIER_INVALID_PERMISSION,
    VERIFIER_NOT_SUFFICIENT_PERMISSION,
    VERIFIER_LOGICAL_TO_PHYSICAL_MAPPING_FAILED,
    VERIFIER_REQUEST_VALIDATED,
    VERIFIER_STATUS_FAILURE,
    VERIFIER_UNSUPPORTED_SIGNAL_TUNING,
    VERIFIER_NOT_SUFFICIENT_SIGNAL_ACQ_PERMISSION,
    VERIFIER_TARGET_CHECK_FAILED,
    VERIFIER_CGROUP_NOT_FOUND,
    VERIFIER_INVALID_LOGICAL_CORE,
    VERIFIER_INVALID_LOGICAL_CLUSTER,
    NOTIFY_COCO_TABLE_INSERT_START,
    NOTIFY_COCO_TABLE_INSERT_SUCCESS,
    NOTIFY_COCO_TABLE_UPDATE_START,
    NOTIFY_COCO_TABLE_REMOVAL_START,
    NOTIFY_COCO_TABLE_REQUEST_EXPIRY,
    NOTIFY_COCO_TABLE_WRITE,
    RATE_LIMITER_RATE_LIMITED,
    RATE_LIMITER_GLOBAL_RATE_LIMIT_HIT,
    YAML_PARSE_ERROR,
    NOTIFY_RESOURCE_TUNER_INIT_START,
    NOTIFY_CURRENT_TARGET_NAME,
    RESOURCE_TUNER_DAEMON_CREATION_FAILURE,
    NOTIFY_PARSING_START,
    NOTIFY_PARSING_SUCCESS,
    NOTIFY_PARSING_FAILURE,
    NOTIFY_CUSTOM_CONFIG_FILE,
    NOTIFY_PARSER_FILE_NOT_FOUND,
    LOGICAL_TO_PHYSICAL_MAPPING_GEN_FAILURE,
    LOGICAL_TO_PHYSICAL_MAPPING_GEN_SUCCESS,
    SIGNAL_REGISTRY_SIGNAL_NOT_FOUND,
    SIGNAL_REGISTRY_PARSING_FAILURE,
    RESOURCE_REGISTRY_RESOURCE_NOT_FOUND,
    RESOURCE_REGISTRY_PARSING_FAILURE,
    CLIENT_ENTRY_CREATION_FAILURE,
    REQUEST_MANAGER_DUPLICATE_FOUND,
    REQUEST_MANAGER_REQUEST_NOT_ACTIVE,
    EXT_FEATURE_CONFIGS_ELEM_LIB_OPEN_FAILED,
    EXT_FEATURE_ROUTINE_NOT_DEFINED,
    CORE_COUNT_EXTRACTION_FAILED,
    CLUSTER_CPU_LIST_EXTRACTION_FAILED,
    CLUSTER_CPU_CAPACITY_EXTRACTION_FAILED,
    NOTIFY_NODE_WRITE,
    GENERIC_CALL_FAILURE_LOG,
};
 
class Logger {
private:
    static int32_t mLowestLogLevel;
    static int8_t mLevelSpecificLogging;
    static RedirectOptions mRedirectOutputTo;
 
    static std::string getTimestamp();
    static std::string levelToString(int32_t level);
 
public:
    static void configure(int32_t level, int8_t levelSpecificLogging, RedirectOptions redirectOutputTo);
 
    static void log(int32_t level, const std::string& tag, const std::string& funcName, const std::string& message);
    static void typeLog(CommonMessageTypes type, const std::string& funcName, ...);
 
    static int32_t decodeLogLevel(const std::string level);
};
 
#endif