Esempio n. 1
0
        public SinLog()
        {
            BlockEventListener.EnableEvents(SemanticLoggingEventSource.Log, EventLevel.LogAlways, EventKeywords.All);
            BlockEventListener.LogToSqlDatabase("System", Settings.ConnectionString);
            Listener.EnableEvents("SIN", EventLevel.LogAlways, EventKeywords.All);
            _sink = Listener.LogToSqlDatabase(Settings.InstanceName, Settings.ConnectionString).Sink;

#if DEBUG
            Listener.LogToConsole();
#endif
        }
Esempio n. 2
0
        /// <summary>
        /// Subscribes to an <see cref="IObservable{EventEntry}"/> using a <see cref="SqlDatabaseSink"/>.
        /// </summary>
        /// <param name="eventStream">The event stream. Typically this is an instance of <see cref="ObservableEventListener" />.</param>
        /// <param name="instanceName">The name of the instance originating the entries.</param>
        /// <param name="connectionString">The connection string.</param>
        /// <param name="tableName">The name of the table.</param>
        /// <param name="bufferingInterval">The buffering interval between each batch publishing. Default value is <see cref="Buffering.DefaultBufferingInterval"/>.</param>
        /// <param name="bufferingCount">The number of entries that will trigger a batch publishing.</param>
        /// <param name="onCompletedTimeout">Defines a timeout interval for when flushing the entries after an <see cref="SqlDatabaseSink.OnCompleted"/> call is received and before disposing the sink.
        /// This means that if the timeout period elapses, some event entries will be dropped and not sent to the store. Normally, calling <see cref="IDisposable.Dispose"/> on 
        /// the <see cref="System.Diagnostics.Tracing.EventListener"/> will block until all the entries are flushed or the interval elapses.
        /// If <see langword="null"/> is specified, then the call will block indefinitely until the flush operation finishes.</param>
        /// <param name="maxBufferSize">The maximum number of entries that can be buffered while it's sending to Windows Azure Storage before the sink starts dropping entries.
        /// This means that if the timeout period elapses, some event entries will be dropped and not sent to the store. Normally, calling <see cref="IDisposable.Dispose" /> on
        /// the <see cref="System.Diagnostics.Tracing.EventListener" /> will block until all the entries are flushed or the interval elapses.
        /// If <see langword="null" /> is specified, then the call will block indefinitely until the flush operation finishes.</param>
        /// <returns>A subscription to the sink that can be disposed to unsubscribe the sink and dispose it, or to get access to the sink instance.</returns>
        public static SinkSubscription<SqlDatabaseSink> LogToSqlDatabase(this IObservable<EventEntry> eventStream, string instanceName, string connectionString, string tableName = DefaultTableName, TimeSpan? bufferingInterval = null, int bufferingCount = Buffering.DefaultBufferingCount, TimeSpan? onCompletedTimeout = null, int maxBufferSize = Buffering.DefaultMaxBufferSize)
        {
            var sink = new SqlDatabaseSink(
                instanceName,
                connectionString,
                tableName,
                bufferingInterval ?? Buffering.DefaultBufferingInterval,
                bufferingCount,
                maxBufferSize,
                onCompletedTimeout ?? Timeout.InfiniteTimeSpan);

            var subscription = eventStream.SubscribeWithConversion(sink);

            return new SinkSubscription<SqlDatabaseSink>(subscription, sink);
        }
        public void when_cannot_connect_to_database_then_on_completed_should_not_stall_or_throw()
        {
            const string validNotExisting = @"Data Source=(localdb)\v11.0; AttachDBFilename='|DataDirectory|\DoesNotExist.mdf';Initial Catalog=SemanticLoggingTests;Integrated Security=True";

            using (var sink = new SqlDatabaseSink("test", validNotExisting, "tableName", Buffering.DefaultBufferingInterval, Buffering.DefaultBufferingCount, Buffering.DefaultMaxBufferSize, TimeSpan.FromSeconds(20)))
            using (var collectErrorsListener = new MockEventListener())
            {
                collectErrorsListener.EnableEvents(SemanticLoggingEventSource.Log, EventLevel.Error, Keywords.All);

                sink.OnNext(new EventRecord());
                Assert.IsTrue(Task.Run(() => sink.OnCompleted()).Wait(TimeSpan.FromSeconds(5)));

                Assert.IsTrue(collectErrorsListener.WrittenEntries.Any(x => x.EventId == 101));
            }
        }
        public void when_cannot_connect_to_database_then_flush_should_finish_faulted()
        {
            const string ValidNotExisting = @"Data Source=(localdb)\v11.0; AttachDBFilename='|DataDirectory|\DoesNotExist.mdf';Initial Catalog=SemanticLoggingTests;Integrated Security=True";

            using (var sink = new SqlDatabaseSink("test", ValidNotExisting, "tableName", Buffering.DefaultBufferingInterval, Buffering.DefaultBufferingCount, Buffering.DefaultMaxBufferSize, TimeSpan.FromSeconds(20)))
            using (var collectErrorsListener = new MockEventListener())
            {
                collectErrorsListener.EnableEvents(SemanticLoggingEventSource.Log, EventLevel.Error, Keywords.All);

                sink.OnNext(EventEntryTestHelper.Create());
                try
                {
                    Assert.IsTrue(sink.FlushAsync().Wait(TimeSpan.FromSeconds(5)));
                    Assert.Fail("Exception should be thrown.");
                }
                catch (AggregateException ex)
                {
                    Assert.IsInstanceOfType(ex.InnerException, typeof(FlushFailedException));
                }

                Assert.IsTrue(collectErrorsListener.WrittenEntries.Any(x => x.EventId == 101));
            }
        }
        public void when_cannot_connect_to_database_then_flush_should_finish_faulted()
        {
            const string ValidNotExisting = @"Data Source=(localdb)\v11.0; AttachDBFilename='|DataDirectory|\DoesNotExist.mdf';Initial Catalog=SemanticLoggingTests;Integrated Security=True";

            using (var sink = new SqlDatabaseSink("test", ValidNotExisting, "tableName", Buffering.DefaultBufferingInterval, Buffering.DefaultBufferingCount, Buffering.DefaultMaxBufferSize, TimeSpan.FromSeconds(20)))
            using (var collectErrorsListener = new MockEventListener())
            {
                collectErrorsListener.EnableEvents(SemanticLoggingEventSource.Log, EventLevel.Error, Keywords.All);
                sink.OnNext(EventEntryTestHelper.Create());

                //ERH 6.26.2015: there is volatility around the delay when under load; the longer the delay the more likely the test will pass.
                //               This probably indicates some kind of missed case or a bad assumption about the underlying implementation
                const int waitTimeInSeconds = 10;

                try
                {
                    Assert.IsTrue(sink.FlushAsync().Wait(TimeSpan.FromSeconds(waitTimeInSeconds)));
                    Assert.Fail("Exception should be thrown.");
                }
                catch (AggregateException ex)
                {
                    Console.WriteLine(ex.GetType());
                    Assert.IsNotNull(ex.InnerException, "ex.InnerException != null");
                    Console.WriteLine(ex.InnerException.GetType());
                    Assert.IsInstanceOfType(ex.InnerException, typeof(FlushFailedException),
                        "exception should be of type FlushFailedException");
                }

                Assert.IsTrue(
                    collectErrorsListener.WrittenEntries.Any(
                        x => x.EventId == 101
                        ),
                    "should have entries for eventid 101"
                    );
            }
        }
 protected override void Given()
 {
     base.Given();
     this.sink = new SqlDatabaseSink(
         "TestInstanceName",
         this.GetSqlConnectionString(),
         SqlDatabaseLog.DefaultTableName,
         TimeSpan.FromMinutes(1),
         BufferingCount,
         Buffering.DefaultMaxBufferSize,
         Timeout.InfiniteTimeSpan);
 }
 protected override void Given()
 {
     base.Given();
     this.sink = new SqlDatabaseSink(InstanceName, this.GetSqlConnectionString(), SqlDatabaseLog.DefaultTableName, Buffering.DefaultBufferingInterval, NumberOfEntries, Buffering.DefaultMaxBufferSize, Timeout.InfiniteTimeSpan);
     this.collectErrorsListener = new MockEventListener();
     this.collectErrorsListener.EnableEvents(SemanticLoggingEventSource.Log, EventLevel.Error, Keywords.All);
 }