[英]NLOG: Creating multiple instances of same class writing log to same file
我正在尝试习惯 NLOG 并发现为同一类的多个实例设置日志文件很困难。 每个类都是在不同的线程上创建的。 请在下面找到示例代码:
{
ILogger mLogger;
public string Name { get; set; }
public string SecondName { get; set; }
private string mFilePath = @"C:\Logs\";
public test(string name, string secondname)
{
var target = new FileTarget(name) { FileName = mFilePath + name + ".txt" };
var config = new LoggingConfiguration();
config.AddRule(LogLevel.Info, LogLevel.Info, target);
LogManager.Configuration = config;
mLogger = LogManager.GetLogger(name);
LogManager.ReconfigExistingLoggers();
mLogger.Info("Hi from :" + name);
}
}
static void Main(string[] args)
{
new Thread(new ThreadStart(() => { new test("Stuart", "Broad"); })).Start();
new Thread(new ThreadStart(() =>
{
new test("John", "Smith");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Virat", "Kohli");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Christiano", "Ronaldo");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Pat", "cummins");
})).Start();
Console.Read();
}
输出为: 2020-03-03 11:36:56.9404|INFO|Christiano|Hi from :Christiano 2020-03-03 11:36:56.9404|INFO|Stuart|Hi from :Stuart 2020-03-063 11 :56.9404|INFO|John|嗨,来自:John 2020-03-03 11:36:56.9404|INFO|Virat|嗨,来自:Virat 2020-03-03 11:36:56.9404|INFO|Pat|嗨,来自:Pat
仅来自一个文件 Christiano.txt
有人可以帮我配置这个吗?
谢谢你。
LogManager.Configuration
是一个静态变量。 当您分配它时,您就会影响其他所有人。
而是为每个线程提供一个唯一的 Logger。 同一个 FileTarget 可以处理多个 Logger。
{
ILogger mLogger;
public string Name { get; set; }
public string SecondName { get; set; }
public test(string name, string secondname)
{
mLogger = LogManager.GetLogger(name);
mLogger.Info("Hi from :" + name);
}
}
static void Main(string[] args)
{
string mFilePath = @"C:\Logs\";
var target = new FileTarget(name) { FileName = Path.Combine(mFilePath, "${logger}.txt") };
var config = new LoggingConfiguration();
config.AddRule(LogLevel.Info, LogLevel.Info, target);
LogManager.Configuration = config;
new Thread(new ThreadStart(() => { new test("Stuart", "Broad"); })).Start();
new Thread(new ThreadStart(() =>
{
new test("John", "Smith");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Virat", "Kohli");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Christiano", "Ronaldo");
})).Start();
new Thread(new ThreadStart(() =>
{
new test("Pat", "cummins");
})).Start();
Console.Read();
}
或者,您可以为线程分配名称,并在 FileName-Layout 中使用 NLog ${threadname}
而不是${logger}
。
另一种选择是使用 NLog MappedDiagnosticsLogicalContext.SetScoped("TestName", name)创建一个范围,并在 FileName-Layout 中使用${mdlc:TestName}
。 这也将允许您将初始上下文流到异步任务。
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