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A reader for Serilog's compact JSON format
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nblumhardt/serilog-formatting-compact-reader
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This package reads (deserializes) JSON log files created bySerilog.Formatting.Compact back into SerilogLogEvents.
Log events are written to a file usingCompactJsonFormatter:
using(varfileLog=newLoggerConfiguration().WriteTo.File(newCompactJsonFormatter(),"log.clef").CreateLogger()){fileLog.Information("Hello, {@User}",new{Name="nblumhardt",Id=101});fileLog.Information("Number {N:x8}",42);fileLog.Warning("Tags are {Tags}",new[]{"test","orange"});try{thrownewDivideByZeroException();}catch(Exceptionex){fileLog.Error(ex,"Something failed");}}
This creates a log file with content similar to:
{"@t":"2016-10-12T04:46:58.0554314Z","@mt":"Hello, {@User}","User":{"Name":"nblumhardt","Id":101}}{"@t":"2016-10-12T04:46:58.0684369Z","@mt":"Number {N:x8}","@r":["0000002a"],"N":42}{"@t":"2016-10-12T04:46:58.0724384Z","@mt":"Tags are {Tags}","@l":"Warning","Tags":["test","orange"]}{"@t":"2016-10-12T04:46:58.0904378Z","@mt":"Something failed","@l":"Error","@x":"System.DivideByZer...<snip>"}An instance ofLogEventReader converts each line of the log file back into aLogEvent, which can be manipulated, rendered, or written through another Serilog sink:
using(varconsole=newLoggerConfiguration().WriteTo.LiterateConsole().CreateLogger()){using(varclef=File.OpenText("log.clef")){varreader=newLogEventReader(clef);LogEventevt;while(reader.TryRead(outevt))console.Write(evt);}}
Output from the logger:
Events deserialized from JSON are for typical purposes just like the original log events. There are two main things to keep in mind:
- JSON doesn't carry all of the type information necessary to determine if, for example, a number is an
intor afloat. JSON.NET does a good job of deserializing anything that it encounters, but you can't rely on the types here being identical. - Exceptions deserialized this way aren't instances of the original exception type - all you can do with them is call
ToString()to get the formatted message and stack trace, which is what 99% of Serilog sinks will do.
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A reader for Serilog's compact JSON format
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