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inject/logger: Add timestamps to log messages

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This commit is contained in:
icex2 2020-08-21 18:09:25 +02:00
parent ee034a1f08
commit 32c3428c59
1 changed files with 25 additions and 4 deletions
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29
src/main/inject/logger.c
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@ -4,6 +4,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <windows.h>
#include "inject/logger.h"
@ -14,6 +15,20 @@
static FILE *log_file;
static HANDLE log_mutex;
static const char* logger_get_formatted_timestamp(void)
{
static char buffer[64];
time_t cur = 0;
struct tm* tm = NULL;
cur = time(NULL);
tm = localtime(&cur);
strftime(buffer, sizeof(buffer), "[%Y/%m/%d %H:%M:%S] ", tm);
return buffer;
}
static char logger_console_determine_color(const char *str)
{
log_assert(str);
@ -79,7 +94,7 @@ static size_t logger_msg_coloring_len(const char *str)
return 0;
}
static void logger_console(void *ctx, const char *chars, size_t nchars)
static void logger_console(void *ctx, const char *chars, size_t nchars, const char* timestamp_str)
{
char color;
size_t color_len;
@ -100,6 +115,7 @@ static void logger_console(void *ctx, const char *chars, size_t nchars)
tmp = buffer[color_len];
buffer[color_len] = '\0';
printf("%s", timestamp_str);
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color);
printf("%s", buffer);
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 15);
@ -112,9 +128,10 @@ static void logger_console(void *ctx, const char *chars, size_t nchars)
}
}
static void logger_file(void *ctx, const char *chars, size_t nchars)
static void logger_file(void *ctx, const char *chars, size_t nchars, const char* timestamp_str)
{
if (ctx) {
fwrite(timestamp_str, 1, strlen(timestamp_str), (FILE*) ctx);
fwrite(chars, 1, nchars, (FILE *) ctx);
fflush((FILE *) ctx);
}
@ -122,13 +139,17 @@ static void logger_file(void *ctx, const char *chars, size_t nchars)
static void logger_writer(void *ctx, const char *chars, size_t nchars)
{
const char* timestamp_str;
// Different threads logging the same destination, e.g. debugger thread,
// main thread
WaitForSingleObject(log_mutex, INFINITE);
logger_console(ctx, chars, nchars);
logger_file(ctx, chars, nchars);
timestamp_str = logger_get_formatted_timestamp();
logger_console(ctx, chars, nchars, timestamp_str);
logger_file(ctx, chars, nchars, timestamp_str);
ReleaseMutex(log_mutex);
}