public void FindLastMessage_LastMessageIsAfterNow()
{
var lastEntryPK = AzureDiagnosticsUtils.FindLastMessagePartitionKey(
new AzureDiagnosticLogsTableMock().Add(TestEventTimestampFromMinutes(1), "hey").Add(TestEventTimestampFromMinutes(10), "there"),
new DateTime(TestEventTimestampFromMinutes(7), DateTimeKind.Utc));
Assert.AreEqual(AzureDiagnosticsUtils.EventTickCountToEventPartitionKey(TestEventTimestampFromMinutes(10)), lastEntryPK.ToString());
}
public void FindLastMessage_ManyMessagesAtTheSameSecond()
{
var lastEntryPK = AzureDiagnosticsUtils.FindLastMessagePartitionKey(
new AzureDiagnosticLogsTableMock()
.Add(TestEventTimestampFromMinutes(2), "hey")
.Add(TestEventTimestampFromMinutes(9), "there")
.Add(TestEventTimestampFromMinutes(9)+1, "there2")
.Add(TestEventTimestampFromMinutes(9)+2, "there3"),
new DateTime(TestEventTimestampFromMinutes(15), DateTimeKind.Utc));
Assert.AreEqual(AzureDiagnosticsUtils.EventTickCountToEventPartitionKey(TestEventTimestampFromMinutes(9)), lastEntryPK.ToString());
}
protected override void LiveLogListen(CancellationToken stopEvt, LiveLogXMLWriter output)
{
using (host.Trace.NewFrame)
{
try
{
if (azureConnectParams.Mode == AzureConnectionParams.LoadMode.FixedRange)
{
ReportBackgroundActivityStatus(true);
foreach (var entry in AzureDiagnosticsUtils.LoadEntriesRange(
table, new EntryPartition(azureConnectParams.From.Ticks), new EntryPartition(azureConnectParams.Till.Ticks), null, stopEvt))
{
WriteEntry(entry.Entry, output);
if (stopEvt.IsCancellationRequested)
{
return;
}
}
ReportBackgroundActivityStatus(false);
return;
}
else if (azureConnectParams.Mode == AzureConnectionParams.LoadMode.Recent)
{
ReportBackgroundActivityStatus(true);
var lastPartition = AzureDiagnosticsUtils.FindLastMessagePartitionKey(table, DateTime.UtcNow, stopEvt);
if (lastPartition.HasValue)
{
var firstPartition = new EntryPartition(lastPartition.Value.Ticks + azureConnectParams.Period.Ticks);
foreach (var entry in AzureDiagnosticsUtils.LoadEntriesRange(table, firstPartition, EntryPartition.MaxValue, null, stopEvt))
{
WriteEntry(entry.Entry, output);
stopEvt.ThrowIfCancellationRequested();
}
}
ReportBackgroundActivityStatus(false);
return;
}
}
catch (OperationCanceledException e)
{
host.Trace.Error(e, "WAD live log thread cancelled");
}
catch (Exception e)
{
host.Trace.Error(e, "WAD live log thread failed");
}
}
}