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124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
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* See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
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*
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* Copyright 2016-2018 (c) Fraunhofer IOSB (Author: Julius Pfrommer)
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* Copyright 2017 (c) Thomas Stalder, Blue Time Concept SA
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*/
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#include <open62541/plugin/log_stdout.h>
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#include <open62541/types.h>
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#include <stdio.h>
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#include "mp_printf.h"
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/* ANSI escape sequences for color output taken from here:
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* https://stackoverflow.com/questions/3219393/stdlib-and-colored-output-in-c*/
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#ifdef UA_ARCHITECTURE_POSIX
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# define ANSI_COLOR_RED "\x1b[31m"
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# define ANSI_COLOR_GREEN "\x1b[32m"
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# define ANSI_COLOR_YELLOW "\x1b[33m"
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# define ANSI_COLOR_BLUE "\x1b[34m"
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# define ANSI_COLOR_MAGENTA "\x1b[35m"
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# define ANSI_COLOR_CYAN "\x1b[36m"
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# define ANSI_COLOR_RESET "\x1b[0m"
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#else
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# define ANSI_COLOR_RED ""
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# define ANSI_COLOR_GREEN ""
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# define ANSI_COLOR_YELLOW ""
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# define ANSI_COLOR_BLUE ""
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# define ANSI_COLOR_MAGENTA ""
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# define ANSI_COLOR_CYAN ""
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# define ANSI_COLOR_RESET ""
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#endif
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static
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const char *logLevelNames[6] = {"trace", "debug",
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ANSI_COLOR_GREEN "info",
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ANSI_COLOR_YELLOW "warn",
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ANSI_COLOR_RED "error",
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ANSI_COLOR_MAGENTA "fatal"};
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static const char *
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logCategoryNames[UA_LOGCATEGORIES] =
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{"network", "channel", "session", "server", "client",
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"userland", "security", "eventloop", "pubsub", "discovery"};
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/* Protect crosstalk during logging via global lock. Use a spinlock as we cannot
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* statically initialize a global lock across all platforms. */
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#if UA_MULTITHREADING >= 100
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void *logSpinLock = NULL;
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static UA_INLINE void spinLock(void) {
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while(UA_atomic_cmpxchg(&logSpinLock, NULL, (void*)0x1) != NULL) {}
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}
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static UA_INLINE void spinUnLock(void) {
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UA_atomic_xchg(&logSpinLock, NULL);
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}
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#endif
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#ifdef __clang__
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__attribute__((__format__(__printf__, 4 , 0)))
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#endif
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static void
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UA_Log_Stdout_log(void *context, UA_LogLevel level, UA_LogCategory category,
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const char *msg, va_list args) {
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/* MinLevel encoded in the context pointer */
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UA_LogLevel minLevel = (UA_LogLevel)(uintptr_t)context;
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if(minLevel > level)
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return;
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UA_Int64 tOffset = UA_DateTime_localTimeUtcOffset();
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UA_DateTimeStruct dts = UA_DateTime_toStruct(UA_DateTime_now() + tOffset);
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int logLevelSlot = ((int)level / 100) - 1;
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if(logLevelSlot < 0 || logLevelSlot > 5)
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logLevelSlot = 5; /* Set to fatal if the level is outside the range */
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/* Lock */
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#if UA_MULTITHREADING >= 100
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spinLock();
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#endif
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#define STDOUT_LOGBUFSIZE 512
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char logbuf[STDOUT_LOGBUFSIZE];
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/* Log */
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printf("[%04u-%02u-%02u %02u:%02u:%02u.%03u (UTC%+05d)] %s/%s" ANSI_COLOR_RESET "\t",
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dts.year, dts.month, dts.day, dts.hour, dts.min, dts.sec, dts.milliSec,
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(int)(tOffset / UA_DATETIME_SEC / 36), logLevelNames[logLevelSlot],
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logCategoryNames[category]);
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mp_vsnprintf(logbuf, STDOUT_LOGBUFSIZE, msg, args);
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printf("%s\n", logbuf);
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fflush(stdout);
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/* Unlock */
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#if UA_MULTITHREADING >= 100
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spinUnLock();
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#endif
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}
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static void
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UA_Log_Stdout_clear(UA_Logger *logger) {
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UA_free(logger);
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}
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const UA_Logger UA_Log_Stdout_ = {UA_Log_Stdout_log, NULL, NULL};
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const UA_Logger *UA_Log_Stdout = &UA_Log_Stdout_;
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UA_Logger
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UA_Log_Stdout_withLevel(UA_LogLevel minlevel) {
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UA_Logger logger =
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{UA_Log_Stdout_log, (void*)(uintptr_t)minlevel, NULL};
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return logger;
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}
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UA_Logger *
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UA_Log_Stdout_new(UA_LogLevel minlevel) {
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UA_Logger *logger = (UA_Logger*)UA_malloc(sizeof(UA_Logger));
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if(!logger)
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return NULL;
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*logger = UA_Log_Stdout_withLevel(minlevel);
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logger->clear = UA_Log_Stdout_clear;
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return logger;
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}
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