Azure IoT common library
Dependents: STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more
xlogging.c
- Committer:
- AzureIoTClient
- Date:
- 2017-05-22
- Revision:
- 27:8656a313842b
- Parent:
- 25:8507bf644fdf
- Child:
- 35:98add15351f3
File content as of revision 27:8656a313842b:
// Copyright (c) Microsoft. All rights reserved. // Licensed under the MIT license. See LICENSE file in the project root for full license information. #include "azure_c_shared_utility/xlogging.h" #include "azure_c_shared_utility/consolelogger.h" #ifndef NO_LOGGING #ifdef WINCE #include <stdarg.h> void consolelogger_log(LOG_CATEGORY log_category, const char* file, const char* func, int line, unsigned int options, const char* format, ...) { va_list args; va_start(args, format); time_t t = time(NULL); switch (log_category) { case AZ_LOG_INFO: (void)printf("Info: "); break; case AZ_LOG_ERROR: (void)printf("Error: Time:%.24s File:%s Func:%s Line:%d ", ctime(&t), file, func, line); break; default: break; } (void)vprintf(format, args); va_end(args); (void)log_category; if (options & LOG_LINE) { (void)printf("\r\n"); } } #endif LOGGER_LOG global_log_function = consolelogger_log; void xlogging_set_log_function(LOGGER_LOG log_function) { global_log_function = log_function; } LOGGER_LOG xlogging_get_log_function(void) { return global_log_function; } #if (defined(_MSC_VER)) && (!(defined WINCE)) LOGGER_LOG_GETLASTERROR global_log_function_GetLastError = consolelogger_log_with_GetLastError; void xlogging_set_log_function_GetLastError(LOGGER_LOG_GETLASTERROR log_function_GetLastError) { global_log_function_GetLastError = log_function_GetLastError; } LOGGER_LOG_GETLASTERROR xlogging_get_log_function_GetLastError(void) { return global_log_function_GetLastError; } #endif /* Print up to 16 bytes per line. */ #define LINE_SIZE 16 /* Return the printable char for the provided value. */ #define PRINTABLE(c) ((c >= ' ') && (c <= '~')) ? (char)c : '.' /* Convert the lower nibble of the provided byte to a hexadecimal printable char. */ #define HEX_STR(c) (((c) & 0xF) < 0xA) ? (char)(((c) & 0xF) + '0') : (char)(((c) & 0xF) - 0xA + 'A') void xlogging_dump_buffer(const void* buf, size_t size) { char charBuf[LINE_SIZE + 1]; char hexBuf[LINE_SIZE * 3 + 1]; size_t countbuf = 0; const unsigned char* bufAsChar = (const unsigned char*)buf; const unsigned char* startPos = bufAsChar; /* Print the whole buffer. */ size_t i = 0; for (i = 0; i < size; i++) { /* Store the printable value of the char in the charBuf to print. */ charBuf[countbuf] = PRINTABLE(*bufAsChar); /* Convert the high nibble to a printable hexadecimal value. */ hexBuf[countbuf * 3] = HEX_STR(*bufAsChar >> 4); /* Convert the low nibble to a printable hexadecimal value. */ hexBuf[countbuf * 3 + 1] = HEX_STR(*bufAsChar); hexBuf[countbuf * 3 + 2] = ' '; countbuf++; bufAsChar++; /* If the line is full, print it to start another one. */ if (countbuf == LINE_SIZE) { charBuf[countbuf] = '\0'; hexBuf[countbuf * 3] = '\0'; LOG(AZ_LOG_TRACE, 0, "%p: %s %s", startPos, hexBuf, charBuf); countbuf = 0; startPos = bufAsChar; } } /* If the last line does not fit the line size. */ if (countbuf > 0) { /* Close the charBuf string. */ charBuf[countbuf] = '\0'; /* Fill the hexBuf with spaces to keep the charBuf alignment. */ while ((countbuf++) < LINE_SIZE - 1) { hexBuf[countbuf * 3] = ' '; hexBuf[countbuf * 3 + 1] = ' '; hexBuf[countbuf * 3 + 2] = ' '; } hexBuf[countbuf * 3] = '\0'; /* Print the last line. */ LOG(AZ_LOG_TRACE, 0, "%p: %s %s", startPos, hexBuf, charBuf); } } #endif