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| Author | SHA1 | Date |
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Alexander Zhirov
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7b6d13d9dc | |
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Alexander Zhirov
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3c096f9e5b |
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@ -0,0 +1,16 @@
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# Changelog
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## [v0.2.0](https://git.zhirov.kz/dlang/singlog/compare/v0.1.0...v0.2.0) (2023.03.29)
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- Removed functions `fileOn()` and `fileOff()`
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### New
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- Simultaneous writing to the standard stream, syslog and file by binary setting the output flag
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## [v0.1.0](https://git.zhirov.kz/dlang/singlog/commits/df602a8d0083249068b480e4a92cf7932f2c582b) (2023.03.23)
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### The first stable working release
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- Output to the standard stream or syslog
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- Enable an entry in the file
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54
README.md
54
README.md
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@ -1,5 +1,10 @@
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# singlog
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[](https://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
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[](https://git.zhirov.kz/dlang/singlog)
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[](https://github.com/AlexanderZhirov/singlog)
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[](https://code.dlang.org/packages/singlog)
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Singleton for simple logging
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## Basic Usage
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@ -9,10 +14,11 @@ import simplog;
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void main()
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{
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Log.msg.level(Log.DEBUG);
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Log.msg.output(Log.SYSLOG);
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Log.msg.file("./file.log");
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Log.msg.warning("Hello, World!");
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log.level(log.DEBUG);
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// write to syslog and file
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log.output(log.SYSLOG | log.FILE);
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log.file("./file.log");
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log.warning("Hello, World!");
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}
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```
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@ -21,42 +27,42 @@ void main()
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Setting the error output level:
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```d
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Log.msg.level(Log.DEBUG);
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Log.msg.level(Log.ALERT);
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Log.msg.level(Log.CRIT);
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Log.msg.level(Log.ERR);
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Log.msg.level(Log.WARNING);
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Log.msg.level(Log.NOTICE);
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Log.msg.level(Log.INFO);
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log.level(log.DEBUG);
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log.level(log.ALERT);
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log.level(log.CRIT);
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log.level(log.ERR);
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log.level(log.WARNING);
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log.level(log.NOTICE);
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log.level(log.INFO);
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```
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Assigning a target output:
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```d
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Log.msg.output(Log.SYSLOG);
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Log.msg.output(Log.STDOUT);
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log.output(log.SYSLOG);
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log.output(log.STDOUT);
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```
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Setup and allowing writing to a file:
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```d
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Log.msg.file("./file.log");
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Log.msg.fileOn();
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Log.msg.fileOff();
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log.output(log.FILE);
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log.file("./file.log");
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```
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Output of messages to the log:
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```d
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Log.msg.alert("Alert message");
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Log.msg.critical("Critical message");
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Log.msg.error("Error message");
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Log.msg.warning("Warning message");
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Log.msg.notice("Notice message");
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Log.msg.informations("Information message");
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Log.msg.debugging("Debugging message");
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log.alert("Alert message");
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log.critical("Critical message");
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log.error("Error message");
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log.warning("Warning message");
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log.notice("Notice message");
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log.informations("Information message");
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log.debugging("Debugging message");
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```
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## Dub
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Add a dependency on `"singlog": "~>0.1.0"`.
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Add a dependency on `"singlog": "~>0.2.0"`.
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@ -8,45 +8,51 @@ import std.file;
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import std.datetime;
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import datefmt;
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alias log = log;
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/++
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Singleton for simple logging
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---
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// Setting the error output level
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Log.msg.level(Log.DEBUG);
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Log.msg.level(Log.ALERT);
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Log.msg.level(Log.CRIT);
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Log.msg.level(Log.ERR);
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Log.msg.level(Log.WARNING);
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Log.msg.level(Log.NOTICE);
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Log.msg.level(Log.INFO);
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log.level(log.DEBUG);
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log.level(log.ALERT);
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log.level(log.CRIT);
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log.level(log.ERR);
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log.level(log.WARNING);
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log.level(log.NOTICE);
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log.level(log.INFO);
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// Assigning a target output
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Log.msg.output(Log.SYSLOG);
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Log.msg.output(Log.STDOUT);
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log.output(log.SYSLOG);
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log.output(log.STDOUT);
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log.output(log.FILE);
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// Setup and allowing writing to a file
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Log.msg.file("./file.log");
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Log.msg.fileOn();
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Log.msg.fileOff();
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log.file("./file.log");
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log.fileOn();
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log.fileOff();
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// Output of messages to the log
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Log.msg.alert("Alert message");
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Log.msg.critical("Critical message");
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Log.msg.error("Error message");
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Log.msg.warning("Warning message");
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Log.msg.notice("Notice message");
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Log.msg.informations("Information message");
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Log.msg.debugging("Debugging message");
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log.alert("Alert message");
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log.critical("Critical message");
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log.error("Error message");
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log.warning("Warning message");
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log.notice("Notice message");
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log.informations("Information message");
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log.debugging("Debugging message");
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---
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+/
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class Log
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{
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private static Log log;
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private string path;
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private bool writeToFile = false;
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private bool fileExist = true;
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private bool writeToFile = true;
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private static SysTime time;
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// Target output
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enum {SYSLOG, STDOUT}
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enum {
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SYSLOG = 1,
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STDOUT = 2,
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FILE = 4
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}
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// Message output level
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enum {
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@ -68,33 +74,34 @@ class Log
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{
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if (this.msgLevel > msgLevel)
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return;
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if (this.msgOutput == STDOUT)
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writeln(message);
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else if (this.msgOutput == SYSLOG)
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if (this.msgOutput & 1)
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syslog(priority, (message ~ "\0").ptr);
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writeFile(message);
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if (this.msgOutput & 2)
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writeln(message);
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if (this.msgOutput & 4)
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writeFile(message);
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}
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private void writeFile(string message)
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{
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if (!this.writeToFile || !this.fileExist)
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if (!this.writeToFile)
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return;
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if (this.path.exists)
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this.fileExist = true;
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this.writeToFile = true;
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else
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{
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this.fileExist = false;
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this.writeToFile = false;
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this.warning("The log file does not exist: " ~ this.path);
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this.fileExist = true;
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}
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File file;
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try {
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file = File(this.path, "a+");
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this.writeToFile = true;
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} catch (Exception e) {
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this.fileOff();
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this.writeToFile = false;
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this.error("Unable to open the log file " ~ this.path);
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this.critical(e);
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return;
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@ -103,7 +110,7 @@ class Log
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try {
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file.writeln(this.time.format("%Y.%m.%d %H:%M:%S: ") ~ message);
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} catch (Exception e) {
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this.fileOff();
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this.writeToFile = false;
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this.error("Unable to write to the log file " ~ this.path);
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this.critical(e);
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return;
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@ -112,7 +119,7 @@ class Log
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try {
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file.close();
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} catch (Exception e) {
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this.fileOff();
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this.writeToFile = false;
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this.error("Unable to close the log file " ~ this.path);
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this.critical(e);
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return;
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@ -134,9 +141,6 @@ class Log
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void level(int msgLevel) { this.msgLevel = msgLevel; }
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void file(string path) { this.path = path; }
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void fileOn() { this.writeToFile = true; }
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void fileOff() { this.writeToFile = false; }
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void alert(T)(T message) { writeLog(message.to!string, ALERT, LOG_ALERT); }
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void critical(T)(T message) { writeLog(message.to!string, CRIT, LOG_CRIT); }
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void error(T)(T message) { writeLog(message.to!string, ERR, LOG_ERR); }
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