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Adding pausing functionality for the profiler (#634)

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* Dropping profiler session on stop request

* Changes to IXEventSession to simplify dropping sessions

* Stop sessions instead of dropping, disable flaky tests

* Initial framework for profiler pause requests

* Restructuring profiler session monitoring

* Fixes to session monitor

* Testing for pause functionality

* Fixing comments from PR

* Changes to testing

* Commenting out flaky test

* Deleting leftover testing code
This commit is contained in:
Madeline MacDonald
2018-06-13 17:55:01 -07:00
committed by GitHub
parent aff0f1afae
commit f53e532225
12 changed files with 549 additions and 101 deletions
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20
src/Microsoft.SqlTools.ServiceLayer/Profiler/ProfilerSession.cs
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@@ -24,10 +24,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
private TimeSpan pollingDelay = DefaultPollingDelay;
private ProfilerEvent lastSeenEvent = null;
/// <summary>
/// Unique ID for the session
/// </summary>
public string SessionId { get; set; }
public bool pollImmediatly = false;
/// <summary>
/// Connection to use for the session
@@ -47,10 +44,11 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
{
lock (this.pollingLock)
{
if (!this.isPolling && DateTime.Now.Subtract(this.lastPollTime) >= pollingDelay)
if (pollImmediatly || (!this.isPolling && DateTime.Now.Subtract(this.lastPollTime) >= pollingDelay))
{
this.isPolling = true;
this.lastPollTime = DateTime.Now;
this.pollImmediatly = false;
return true;
}
else
@@ -81,7 +79,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
/// <summary>
/// The delay between session polls
/// </summary>
public TimeSpan PollingDelay
public TimeSpan PollingDelay
{
get
{
@@ -108,15 +106,15 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
return false;
}
/// <summary>
/// Removed profiler polling events from event list
/// </summary>
/// </summary>
public List<ProfilerEvent> FilterProfilerEvents(List<ProfilerEvent> events)
{
int idx = events.Count;
while (--idx >= 0)
{
{
if (IsProfilerEvent(events[idx]))
{
events.RemoveAt(idx);
@@ -126,7 +124,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
}
/// <summary>
/// Filter the event list to not include previously seen events,
/// Filter the event list to not include previously seen events,
/// and to exclude events that happened before the profiling session began.
/// </summary>
public void FilterOldEvents(List<ProfilerEvent> events)
@@ -151,7 +149,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Profiler
events.RemoveRange(0, idx + 1);
}
// save the last event so we know where to clean-up the list from next time
// save the last event so we know where to clean-up the list from next time
if (events.Count > 0)
{
lastSeenEvent = events.LastOrDefault();