69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
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#include "Log.h"
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#include <stdarg.h>
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#include <time.h>
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#include <string.h>
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static FILE* LogFile = NULL; // <20><>־<EFBFBD>ļ<EFBFBD>ָ<EFBFBD><D6B8>
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static char DefaultLogFile[] = "libdm_log.txt"; // Ĭ<><C4AC><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD>
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// <20><>ȡ<EFBFBD><C8A1>ǰʱ<C7B0><CAB1><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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static void GetTimeStr(char* buffer, size_t size) {
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time_t now = time(NULL);
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struct tm* t = localtime(&now);
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strftime(buffer, size, "%Y-%m-%d %H:%M:%S", t);
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}
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// <20><>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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static const char* GetLogLevelStr(LogLevel level) {
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switch (level) {
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case Info: return "INFO";
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case Warn: return "WARNING";
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case Error: return "ERROR";
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case Debug: return "DEBUG";
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default: return "UNKNOWN";
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}
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}
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// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD>
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void InitLog(const char* logFilePath) {
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if (LogFile) {
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CloseLog(); // <20>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
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}
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const char* filePath = logFilePath ? logFilePath : DefaultLogFile;
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LogFile = fopen(filePath, "a"); // <20><><EFBFBD><D7B7>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD>
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if (!LogFile) {
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fprintf(stderr, "Failed to open log file: %s\n", filePath);
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}
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}
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// д<><D0B4>־<EFBFBD>ĺ<EFBFBD><C4BA>ĺ<EFBFBD><C4BA><EFBFBD>
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void WriteLog(LogLevel level, const char* format, ...) {
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if (!LogFile) {
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InitLog(NULL); // <20><><EFBFBD><EFBFBD>δ<EFBFBD><CEB4>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>־<EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>Ĭ<EFBFBD><C4AC><EFBFBD>ļ<EFBFBD>
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}
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if (LogFile) {
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char timeStr[20];
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GetTimeStr(timeStr, sizeof(timeStr));
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fprintf(LogFile, "[%s] [%s] ", timeStr, GetLogLevelStr(level));
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va_list args;
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va_start(args, format);
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vfprintf(LogFile, format, args); // <20><>ʽ<EFBFBD><CABD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>־<EFBFBD><D6BE>Ϣ
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va_end(args);
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fprintf(LogFile, "\n");
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fflush(LogFile); // ȷ<><C8B7><EFBFBD><EFBFBD>־ʵʱд<CAB1><D0B4>
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}
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}
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// <20>ر<EFBFBD><D8B1><EFBFBD>־<EFBFBD>ļ<EFBFBD>
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void CloseLog() {
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if (LogFile) {
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fclose(LogFile);
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LogFile = NULL;
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}
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}
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