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0 /* See LICENSE file for copyright and license details. */
1 module logger;
2 import std.stdio;
3 import std.datetime.date : DateTime;
4 import std.datetime.systime : SysTime, Clock;
5 import std.format;
6 import std.exception;
7
8 /// Write to the log
9 class Logger {
10 private:
11 static string getTime() {
12 SysTime dt = Clock.currTime();
13 return format("[%d-%02d-%02d %02d:%02d:%02d]",dt.year,dt.month,dt.day,dt.hour,dt.minute,dt.second);
14 }
15 static bool displayTime = true;
16 static bool writeLog = false;
17 static bool printLog = true;
18 static File fileLog;
19 static string pathLog;
20 public:
21 static void setParameters(bool displayTime, bool writeLog, bool printLog, string pathLog) {
22 this.displayTime=displayTime;
23 this.writeLog=writeLog;
24 if(this.writeLog) {
25 try {
26 fileLog = File(pathLog, "a");
27 } catch(ErrnoException e) {
28 this.writeLog = false;
29 error(e.msg);
30 }
31 }
32 this.printLog=printLog;
33 }
34 /// Print general information to the server logs
35 static void info(string message) {
36 if(printLog) {
37 writefln((displayTime?getTime():"")~"[INFO] "~message);
38 stdout.flush();
39 }
40 if(writeLog) {
41 fileLog.writeln(fileLog, (displayTime?getTime():"")~"[INFO] "~message);
42 //fileLog.flush();
43 }
44 }
45 /// Print warnings to the logs
46 static void warning(string message) {
47 if(printLog) {
48 writefln((displayTime?getTime():"")~"[WARNING] "~message);
49 stdout.flush();
50 }
51 if(writeLog) {
52 fileLog.writeln((displayTime?getTime():"")~"[WARNING] "~message);
53 //fileLog.flush();
54 }
55 }
56 /// Print errors to the logs
57 static void error(string message) {
58 if(printLog) {
59 writefln((displayTime?getTime():"")~"[ERROR] "~message);
60 stdout.flush();
61 }
62 if(writeLog) {
63 fileLog.writeln((displayTime?getTime():"")~"[ERROR] "~message);
64 //fileLog.flush();
65 }
66 }
67 }
68