// REVIEW: Important that this object + ThreadProc has NO reference to the parent BackgroundMultiLogWriter.
// If there were a reference from this, it would never finalize.
public BackgroundThread(ITracerFactory setupTracerFactory, ConcurrentQueue <Action> backgroundActionQueue)
{
Contract.Requires <ArgumentNullException>(setupTracerFactory != null);
Contract.Requires <ArgumentNullException>(backgroundActionQueue != null);
_tracer = setupTracerFactory.TracerFor(this);
_backgroundActionQueue = backgroundActionQueue;
}
internal static void SafeStop(this IStartable startable, ITracerFactory tracerFactory)
{
Contract.Requires <ArgumentNullException>(tracerFactory != null);
if (startable == null)
{
return;
}
Tracer tracer = tracerFactory.TracerFor(startable);
SafeStop(startable, tracer);
}
internal static void SafeDispose(this IDisposable disposable, ITracerFactory tracerFactory)
{
Contract.Requires <ArgumentNullException>(tracerFactory != null);
if (disposable == null)
{
return;
}
Tracer tracer = tracerFactory.TracerFor(disposable);
disposable.SafeDispose(tracer);
}
internal BackgroundMultiLogWriter(ITracerFactory setupTracerFactory)
{
Contract.Requires <ArgumentNullException>(setupTracerFactory != null);
_setupTracerFactory = setupTracerFactory;
_tracer = setupTracerFactory.TracerFor(this);
_proxyLogWriters = new List <LogWriterProxy>();
_proxyEntryWriters = new List <object>();
_backgroundActionQueue = new ConcurrentQueue <Action>();
_backgroundThread = null;
}
/// <summary>
/// Initialize the <see cref="FormatWriter" />.
/// </summary>
/// <param name="setupTracerFactory">The <see cref="ITracerFactory" /> to use for logging setup operations.</param>
/// <param name="fieldDelimiter">The field delimiter for formatted text output.</param>
/// <param name="spacesPerIndentLevel">The number of spaces per indent level. Can be 0 for no indenting.</param>
protected FormatWriter(ITracerFactory setupTracerFactory, string fieldDelimiter = DefaultFieldDelimiter, int spacesPerIndentLevel = DefaultSpacesPerIndent)
{
Contract.Requires <ArgumentNullException>(setupTracerFactory != null);
Contract.Requires <ArgumentNullException>(fieldDelimiter != null);
setupTracer = setupTracerFactory.TracerFor(this);
_fieldDelimiter = fieldDelimiter;
SpacesPerIndent = spacesPerIndentLevel;
_markupBuffer = new StringBuilder(256);
_fieldBuffer = new StringBuilder(512);
_startedEntries = 0;
// Set defaults
IncludeTime = true;
IncludeDate = false;
}
/// <summary>
/// Returns a new <see cref="TestServer"/>, configured with WebApp.Web startup code.
/// Requests against the test server are processed directly in memory without going over the network.
/// </summary>
/// <param name="iocModule">Configures the odata model for the test in SimpleInjector</param>
/// <param name="odataConfigAction">Optional configuration for <see cref="ODataServerConfigurer"/>.</param>
/// <returns></returns>
/// <remarks>
/// Note that the returned <see cref="TestServer"/> should be disposed.
/// </para>
/// </remarks>
protected TestServer CreateTestServer(IModule iocModule, Action <ODataServerConfigurer> odataConfigAction = null)
{
// Setup the DI container
Container container = new Container {
Options = { AllowOverridingRegistrations = true }
};
container.RegisterModules(new ODataServiceModule(), iocModule);
var testServer = TestServer.Create(owinAppBuilder => ConfigureOwinPipeline(owinAppBuilder, container, odataConfigAction));
// Ensure logging setup is healthy
_tracerFactory.TracerFor(this).Info("Test OData server started...");
Assert.True(_logManager.IsHealthy);
return(testServer);
}
public HttpLoggingMiddleware(OwinMiddleware next, LogManager logManager, ITracerFactory tracerFactory)
: base(next)
{
Contract.Requires <ArgumentNullException>(next != null);
Contract.Requires <ArgumentNullException>(logManager != null);
Contract.Requires <ArgumentNullException>(tracerFactory != null);
_requestCounter = 0L;
_setupTracer = logManager.SetupTracerFactory.TracerFor(this);
_requestEntryWriter = logManager.GetEntryWriter <HttpRequestEntry>();
_responseEntryWriter = logManager.GetEntryWriter <HttpResponseEntry>();
const string startedMessage = "OWIN HTTP logging started.";
_setupTracer.Info(startedMessage);
_tracer = tracerFactory.TracerFor(this);
_tracer.Info(startedMessage);
}
/// <inheritdoc />
public override void Write(ref TraceEntry entry)
{
if (IsTraceEnabled(entry.TracerName, entry.TraceLevel))
{
try
{
InnerEntryWriter.Write(ref entry);
}
catch (Exception excp)
{
if (1 == Interlocked.Increment(ref _countWritingExceptions))
{
// TODO: Replace this with status polling
if (_setupTracerFactory != null)
{
_setupTracerFactory.TracerFor(this).Error(excp, "At least one exception occurred while writing trace entyrs to " + InnerEntryWriter);
}
}
}
}
}
/// <summary>
/// Creates a new <see cref="LogJamExceptionLogger" />, which logs Web API exceptions to a <see cref="Tracer" /> obtained
/// from
/// <paramref name="tracerFactory" />.
/// </summary>
/// <param name="tracerFactory">A <see cref="ITracerFactory" />.</param>
public LogJamExceptionLogger(ITracerFactory tracerFactory)
{
Contract.Requires <ArgumentNullException>(tracerFactory != null);
_tracer = tracerFactory.TracerFor(this);
}