internal ConsoleLogger(string name, Func <string, LogLevel, bool> filter, bool includeScopes, ConsoleLoggerProcessor loggerProcessor)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
Name = name;
Filter = filter ?? ((category, logLevel) => true);
IncludeScopes = includeScopes;
_queueProcessor = loggerProcessor;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Console = new WindowsLogConsole();
}
else
{
Console = new AnsiLogConsole(new AnsiSystemConsole());
}
}
internal ConsoleLogger(string name, Func <string, LogLevel, bool> filter, IExternalScopeProvider scopeProvider, ConsoleLoggerProcessor loggerProcessor)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
Name = name;
Filter = filter ?? ((category, logLevel) => true);
ScopeProvider = scopeProvider;
LogToStandardErrorThreshold = LogLevel.None;
_queueProcessor = loggerProcessor;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Console = new WindowsLogConsole();
ErrorConsole = new WindowsLogConsole(stdErr: true);
}
else
{
Console = new AnsiLogConsole(new AnsiSystemConsole());
ErrorConsole = new AnsiLogConsole(new AnsiSystemConsole(stdErr: true));
}
}
internal ConsoleLogger(string name, Func <string, LogLevel, bool> filter, IExternalScopeProvider scopeProvider, ConsoleLoggerProcessor loggerProcessor)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
Name = name;
Filter = filter ?? ((category, logLevel) => true);//filter为null时直接返回true，即不进行过滤
ScopeProvider = scopeProvider;
_queueProcessor = loggerProcessor;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Console = new WindowsLogConsole();//*********************************在这里实例化一个Windows平台的System.Console ！******************
}
else
{
Console = new AnsiLogConsole(new AnsiSystemConsole());
}
}