tracelistener

Logging via TraceSource in Xamarin (UWP)

由 廉价感情. 提交于 2020-04-30 11:03:19
问题 I just want to log to console and to a log file, using a standard TraceSource, in my Xamarin app that will run on UWP, Mac OS X, iOS and Android. I'm developing/debugging on UWP. TraceSource, TraceListener, and TextWriterTraceListener are indeed all available in .Net Standard library, so perhaps I'm setting it up incorrectly? Most places on the Internet insist on setting up trace listeners in an app.config file, but this is not applicable nor possible for Xamarin apps. So here is my logging

TraceListener headers and footers

由 拟墨画扇 提交于 2020-01-15 04:57:49
问题 When writing a custom TraceListener how can I force the writeheader, the data/messsage, and the writefooter to be one discreet record? Specifically the custom tracelisteners in question write to a non file based source, such as database or event stream. I need to either have the writeHeader, writefooter base methods in TraceListener be ignored or somehow packaged into a single write event. 回答1: Here is a good article on how custom TraceListener s work, which also explains when and wh

How does System.TraceListener prepend message with process name?

由 时光毁灭记忆、已成空白 提交于 2020-01-10 19:38:13
问题 I have been looking at using System.Diagnostics.Trace for doing logging is a very basic app. Generally it does all I need it to do. The downside is that if I call Trace.TraceInformation("Some info"); The output is "SomeApp.Exe Information: 0: Some info". Initally this entertained me but no longer. I would like to just output "Some info" to console. So I thought writing a cusom TraceListener, rather than using the inbuilt ConsoleTraceListener, would solve the problem. I can see a specific

How can .NET TraceListener be configured to log to TEMP folder

由 ◇◆丶佛笑我妖孽 提交于 2019-12-23 18:33:49
问题 How can .NET TraceListener be configured to log to TEMP folder? Is it possible to do this in app.config like: <add type="System.Diagnostics.TextWriterTraceListener" initializeData="%Temp%\logfilename.log"/> .. without making any code changes? Or can this only be done if you create your listener in code? 回答1: You'd have to set it in your code. As you can see in the source code, the constructor immediately assigns to file name with no parsing of the internal structure of the file name. public

How do you dispose a tracelistener properly?

由 泄露秘密 提交于 2019-12-20 04:57:16
问题 I've actually written a tracelistener component that logs to a networkstream. The code for that is here: using Newtonsoft.Json.Linq; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net.Sockets; using System.Text; using System.Threading.Tasks; namespace System.Diagnostics { public class NetworkStreamWriterTraceListener : DelimitedListTraceListener { NetworkStream _stream; StreamWriter _writer; StreamReader _reader; TcpClient client; bool

How do you dispose a tracelistener properly?

由 狂风中的少年 提交于 2019-12-02 06:15:20
I've actually written a tracelistener component that logs to a networkstream. The code for that is here: using Newtonsoft.Json.Linq; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net.Sockets; using System.Text; using System.Threading.Tasks; namespace System.Diagnostics { public class NetworkStreamWriterTraceListener : DelimitedListTraceListener { NetworkStream _stream; StreamWriter _writer; StreamReader _reader; TcpClient client; bool IsDisposed = false; private NetworkStream GetStream(string configJson) { JObject config = JObject.Parse

TraceSource and TraceListener quietly fail to do anything

由 无人久伴 提交于 2019-12-01 14:32:18
How do I troubleshoot System.Diagnostics trace when it quietly fails to do anything at all? I'm so glad you asked! This problem happened to me recently. I suspected something in the chain of TraceSwitch es, TraceSource s and TraceListener s had gone awry. But with no trace and no error messages, I needed more information. The authors of the BCL helpfully put all the diagnostic information in a private list whose values disappear when ever the garbage collector feels like it. Still, the info was good enough and accessible via reflection. It turned out that I had several TraceSource 's but the

Problem redirecting debug output to a file using trace listener

由 杀马特。学长 韩版系。学妹 提交于 2019-12-01 03:04:12
问题 I have created a debug listener to redirect the output from the Debug/Console window to a file(with a call stack), using the following code: void SomeMethod() { // Create a file for output .txt. Stream debugFile = File.Create(fileName); // create TextWriterTraceListener named "file" TextWriterTraceListener debugWriter = new TextWriterTraceListener(debugFile, "file"); // add to debug listeners Debug.Listeners.Add(debugWriter); // set callstack to be shown Debug.Listeners["file"]

Adding tracelistener to web.config

由 廉价感情. 提交于 2019-11-30 17:14:19
I want to use below code with a website. Which config sections I should add to web.config to log the output into a file or windows eventlog ? using System.Diagnostics; // Singleton in real code Class Logger { // In constructor: Trace.AutoFlush = false; public void Log(message) { String formattedLog = formatLog(message); Trace.TraceInformation(formattedLog); Trace.Flush(); } } You should use system.diagnostics section. Here's example from MSDN for text file: <configuration> <system.diagnostics> <trace autoflush="false" indentsize="4"> <listeners> <add name="myListener" type="System.Diagnostics

Adding tracelistener to web.config

由 ↘锁芯ラ 提交于 2019-11-30 00:43:28
问题 I want to use below code with a website. Which config sections I should add to web.config to log the output into a file or windows eventlog ? using System.Diagnostics; // Singleton in real code Class Logger { // In constructor: Trace.AutoFlush = false; public void Log(message) { String formattedLog = formatLog(message); Trace.TraceInformation(formattedLog); Trace.Flush(); } } 回答1: You should use system.diagnostics section. Here's example from MSDN for text file: <configuration> <system
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