inc/azure_c_shared_utility/xlogging.h

// Copyright (c) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE file in the project root for full license information. #ifndef XLOGGING_H #define XLOGGING_H #ifdef __cplusplus #include <cstdlib> #else #include <stdlib.h> #endif #include "azure_macro_utils/macro_utils.h" #include "azure_c_shared_utility/agenttime.h" #include "azure_c_shared_utility/optimize_size.h" #ifdef LOGERROR_CAPTURES_STACK_TRACES #include "azure_c_shared_utility/logging_stacktrace.h" #endif #if defined(ESP8266_RTOS) #include "c_types.h" #endif #if defined(ARDUINO_ARCH_ESP8266) #include "esp8266/azcpgmspace.h" #endif #ifdef __cplusplus /* Some compilers do not want to play by the standard, specifically ARM CC */ #include <cstdio> #else #include <stdio.h> #endif /* __cplusplus */ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #ifdef TIZENRT #undef LOG_INFO #endif typedef enum LOG_CATEGORY_TAG { AZ_LOG_ERROR, AZ_LOG_INFO, AZ_LOG_TRACE } LOG_CATEGORY; #if defined _MSC_VER #define FUNC_NAME __FUNCDNAME__ #else #define FUNC_NAME __func__ #endif typedef void(*LOGGER_LOG)(LOG_CATEGORY log_category, const char* file, const char* func, int line, unsigned int options, const char* format, ...); typedef void(*LOGGER_LOG_GETLASTERROR)(const char* file, const char* func, int line, const char* format, ...); #define TEMP_BUFFER_SIZE 1024 #define MESSAGE_BUFFER_SIZE 260 #define LOG_NONE 0x00 #define LOG_LINE 0x01 /*no logging is useful when time and fprintf are mocked*/ #ifdef NO_LOGGING #define LOG(...) #define LogInfo(...) #define LogBinary(...) #define LogError(...) #define LogLastError(...) #define xlogging_get_log_function() NULL #define xlogging_set_log_function(...) #define LogErrorWinHTTPWithGetLastErrorAsString(...) #define UNUSED(x) (void)(x) #elif (defined MINIMAL_LOGERROR) #define LOG(...) #define LogInfo(...) #define LogBinary(...) #define LogError(...) printf("error %s: line %d\n",__FILE__,__LINE__); #define xlogging_get_log_function() NULL #define xlogging_set_log_function(...) #define LogErrorWinHTTPWithGetLastErrorAsString(...) #define UNUSED(x) (void)(x) #elif defined(ESP8266_RTOS) #define LogInfo(FORMAT, ...) do { \ static const char flash_str[] ICACHE_RODATA_ATTR STORE_ATTR = FORMAT; \ printf(flash_str, ##__VA_ARGS__); \ printf("\n");\ } while((void)0,0) #define LogError LogInfo #define LOG(log_category, log_options, FORMAT, ...) { \ static const char flash_str[] ICACHE_RODATA_ATTR STORE_ATTR = (FORMAT); \ printf(flash_str, ##__VA_ARGS__); \ printf("\r\n"); \ } #else /* NOT ESP8266_RTOS */ // In order to make sure that the compiler evaluates the arguments and issues an error if they do not conform to printf // specifications, we call printf with the format and __VA_ARGS__. Since C && operator is shortcircuiting no actual runtime call to printf is performed. #if defined _MSC_VER #ifndef LOGERROR_CAPTURES_STACK_TRACES // ignore warning C4127 #define LOG(log_category, log_options, format, ...) \ { \ (void)(0 && printf(format, __VA_ARGS__)); \ { \ LOGGER_LOG l = xlogging_get_log_function(); \ if (l != NULL) \ { \ l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, format, __VA_ARGS__); \ } \ } \ } #else /*LOGERROR_CAPTURES_STACK_TRACES is defined*/ #define STACK_PRINT_FORMAT "\nStack:\n%s" #define LOG(log_category, log_options, format, ...) MU_C3(LOG,_,log_category)(log_category, log_options, format, __VA_ARGS__) #define LOG_AZ_LOG_ERROR(log_category, log_options, format, ...) \ { \ (void)(0 && printf(format, __VA_ARGS__)); \ { \ LOGGER_LOG l = xlogging_get_log_function(); \ if (l != NULL) \ { \ char* stackAsString = getStackAsString(); \ if (stackAsString == NULL) \ { \ l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, format, __VA_ARGS__); \ } \ else \ { \ char* formatWithStack; \ size_t formatSize = strlen(format); \ size_t mallocSize = formatSize + sizeof("STACK_PRINT_FORMAT"); \ if (mallocSize < formatSize || /* int overflow check */ \ (formatWithStack = (char*)logging_malloc(mallocSize)) == NULL) \ { \ l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, format, __VA_ARGS__); \ } \ else \ { \ (void)memcpy(formatWithStack, format, formatSize); \ (void)memcpy(formatWithStack + formatSize, STACK_PRINT_FORMAT, sizeof(STACK_PRINT_FORMAT)); \ l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, formatWithStack, __VA_ARGS__, stackAsString); \ logging_free(formatWithStack); \ } \ logging_free(stackAsString); \ } \ } \ } \ } #define LOG_AZ_LOG_TRACE LOG_AZ_LOG_INFO #define LOG_AZ_LOG_INFO(log_category, log_options, format, ...) \ { \ (void)(0 && printf(format, __VA_ARGS__)); \ { \ LOGGER_LOG l = xlogging_get_log_function(); \ if (l != NULL) \ { \ l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, format, __VA_ARGS__); \ } \ } \ } #endif /*LOGERROR_CAPTURES_STACK_TRACES*/ #else #define LOG(log_category, log_options, format, ...) { (void)(0 && printf(format, ##__VA_ARGS__)); { LOGGER_LOG l = xlogging_get_log_function(); if (l != NULL) l(log_category, __FILE__, FUNC_NAME, __LINE__, log_options, format, ##__VA_ARGS__); } } #endif #if defined _MSC_VER #define LogInfo(FORMAT, ...) do{LOG(AZ_LOG_INFO, LOG_LINE, FORMAT, __VA_ARGS__); }while((void)0,0) #else #define LogInfo(FORMAT, ...) do{LOG(AZ_LOG_INFO, LOG_LINE, FORMAT, ##__VA_ARGS__); }while((void)0,0) #endif #ifdef WIN32 extern void xlogging_LogErrorWinHTTPWithGetLastErrorAsStringFormatter(int errorMessageID); #endif #if defined _MSC_VER extern void xlogging_set_log_function_GetLastError(LOGGER_LOG_GETLASTERROR log_function); extern LOGGER_LOG_GETLASTERROR xlogging_get_log_function_GetLastError(void); #define LogLastError(FORMAT, ...) do{ LOGGER_LOG_GETLASTERROR l = xlogging_get_log_function_GetLastError(); if(l!=NULL) l(__FILE__, FUNC_NAME, __LINE__, FORMAT, __VA_ARGS__); }while((void)0,0) #define LogError(FORMAT, ...) do{ LOG(AZ_LOG_ERROR, LOG_LINE, FORMAT, __VA_ARGS__); }while((void)0,0) #define LogErrorWinHTTPWithGetLastErrorAsString(FORMAT, ...) do { \ int errorMessageID = GetLastError(); \ LogError(FORMAT, __VA_ARGS__); \ xlogging_LogErrorWinHTTPWithGetLastErrorAsStringFormatter(errorMessageID); \ } while((void)0,0) #else // _MSC_VER #define LogError(FORMAT, ...) do{ LOG(AZ_LOG_ERROR, LOG_LINE, FORMAT, ##__VA_ARGS__); }while((void)0,0) #ifdef WIN32 // Included when compiling on Windows but not with MSVC, e.g. with MinGW. #define LogErrorWinHTTPWithGetLastErrorAsString(FORMAT, ...) do { \ int errorMessageID = GetLastError(); \ LogError(FORMAT, ##__VA_ARGS__); \ xlogging_LogErrorWinHTTPWithGetLastErrorAsStringFormatter(errorMessageID); \ } while((void)0,0) #endif // WIN32 #endif // _MSC_VER extern void LogBinary(const char* comment, const void* data, size_t size); extern void xlogging_set_log_function(LOGGER_LOG log_function); extern LOGGER_LOG xlogging_get_log_function(void); #endif /* NOT ESP8266_RTOS */ #ifdef __cplusplus } // extern "C" #endif /* __cplusplus */ #endif /* XLOGGING_H */

inc/azure_c_shared_utility/xlogging.h (181 lines of code) (raw):