* Adding AAD token support.

* improve lock

* Adding MSI provider.

* Some small changes

* Adddresing comments and couple small fixes.

* Remove string resource

* Remove test secrets

* Renaming paramater endpoint to endpointAddress

* Renaming paramater endpoint to endpointAddress

* Remove unused AsyncLock

* Remove redundant config name

* Remove using

* Remove usings

* Merge fix

* API name change

* Xmldoc type fix.

* Remove SecurityToken internal constructor

* Build error fix

* Cleanup code

* Pass temporary audience instead of empty string to SecurityToken.

* Make token type required

* Refactoring SharedAccessSignatureToken for cleanup

* Function renaming to carry UTC notion.

* Remove procted accesors from SecurityToken class properties.

* Fix EventHubsConnectionStringBuilder ctor crash (#219)

When supplying SharedAccessSignature as a parameter

* Fixing deceptive description of InitialOffsetProvider (#224)

* Aad token provider (#225)

* Adding AAD token support.

* improve lock

* Adding MSI provider.

* Some small changes

* Adddresing comments and couple small fixes.

* Remove string resource

* Remove test secrets

* Renaming paramater endpoint to endpointAddress

* Renaming paramater endpoint to endpointAddress

* Remove unused AsyncLock

* Remove redundant config name

* Remove using

* Remove usings

* Merge fix

* API name change

* Xmldoc type fix.

* Remove SecurityToken internal constructor

* Build error fix

* Cleanup code

* Pass temporary audience instead of empty string to SecurityToken.

* Make token type required

* Refactoring SharedAccessSignatureToken for cleanup

* Function renaming to carry UTC notion.

* Remove procted accesors from SecurityToken class properties.

* Adding receiver identifier support (#226)

* Fixing EventDataBatch with partition-key related issues. (#198)

* Fixing DataBatch partition-key usage

* Fixing EventDataBatch with partition-key related issues.

* Incorporating comments from latest team discussion.

* Removing a leftover from debug session.

* Adding maxMessageSize to CreateBatch API on clients.

* Aligning API with Java client.

* Fixing build error.

* Adding EH client changes to support sequence number receiver. (#230)

* EventData.SystemProperties to inherit Dictionary (#206)

* Adding BatchOptions

* Avoid application properties to overwrite IOT set properties.

* Remove batchoptions, not related to this change

* Avoid IOT reserved names to be used in the message propery bag.

* SystemProperties to inherit System.Dictionary.

* Return system property from dictionary instead of assigning them during message conversion.

* Throw if system property is missing.

* Fix merge errors

* Merge fix

* Remove unnecessary partitionid/partitionkey check

* Close receivers

* Adjusting class comment of EventDataBatch class (#213)

* Adjusting class comment of EventDataBatch class

Adjusting top comment, as SendBatch and SendBatchAsync methods don't exist on EventHubClient anymore, the methods are called Send and SendAsync and take either a single EventData or an IEnumerable<EventData>.
In addition the comment makes it not clear why a dev should use this class. Why not just create an IEnumerable<EventData> on your own? A dev should use this class because it takes care of the size limit, that's the main reason and it should be in the header.

* Update EventDataBatch.cs

Fixing the comment to make it XML-compliant.

* Update EventDataBatch.cs

Link EventHubClient in XML comment

* Add default batch size for receive handler. (#235)

* Add default batch size for receive handler.

* Rely on default MaxBatchSize in the unit tests

* XMLdoc correction

* Address James's comment on PR

* Fixed a typographical error (#239)

* invokeWhenNoEvents flag for Pump (#238)

* Adding invokeWhenNoEvents to pump and wiring up EH null callback on this.

* Fix default pump invoke on null behavior

* Stop-CancellationToken for PartitionPump (#187)

* Temporarily hiding AAD token provider API

* Bumping up client version to 1.0.1 (#107)

* Fixing build break introduced with preview check-in.

* Bumping up the client version to 1.0.1

* Adding 2 new epoch unit tests (#108)

* Fixing build break introduced with preview check-in.

* Adding 2 new epoch receiver unit tests.

* Update readme.md (#110)

Fixed broken links.

* Deliver receiver disconnected exception to client (#109)

* Fixing build break introduced with preview check-in.

* + PartitionPump to deliver ReceiverDisconnectedException to processor host.
+ Don't look for ReceiverDisconnectedException while creating the receiver since CreateReceiver doesn't throw it.

* Adding unit test covering ReceiverDisconnectedException handling due to higher epoch receiver.

* Bumping up EPH client version to 1.0.1 on dev branch (#118)

* Fixing build break introduced with preview check-in.

* Bumping up EPH client version to 1.0.1 on dev branch

* Keeping sample readmes in sync with docs.microsoft.com

* Fix invoke processor after receive timeout behavior (#124)

* Update readme.md (#110)

Fixed broken links.

* EPH to deliver Enumerable.Empty instead of NULL when EventProcessorOptions.InvokeProcessorAfterReceiveTimeout is set

* Small refactoring to honor positive check.

* Amqp create link should honor time left (#128)

* Update readme.md (#110)

Fixed broken links.

* AmqpSender and AmqpReceiver should honor tile left while creating AMQP link.

* Remove unnecessary variable.

* Receive handler should failfast on unhandled exception (#127)

* Update readme.md (#110)

Fixed broken links.

* ReceiveHandler should failfast when an unhandled exception detected.
Adding a unit test to cover error handling and recovery for EPH.

* Remove unintentional internal modifier.

* Trace receive handler exit w/ error.

* Receive should not throw timeout exception (#130)

* Update readme.md (#110)

Fixed broken links.

* ReceiveAsync call should return NULL instead of throwing System.TimeoutException

* Unregister receive handler fix (#135)

* Update readme.md (#110)

Fixed broken links.

* Unregistering receive handler shouldn't generate OperationCanceledException

* Removing .Fork() comment

* Remove ActiveClientManager from service client (#136)

* Update readme.md (#110)

Fixed broken links.

* Code cleanup: Removing ActiveLinkManager from AmqpServiceClient

* Fix empty lease race issue (#141)

* Update readme.md (#110)

Fixed broken links.

* Handle race condition where downloaded empty-lease might be already LEASED by some other host.

* Remove lease object from LeaseLostException (#143)

* Remove Lease object from LeaseLostException

* Use partition id from context.

* ProcessorHost to close on ReceiverDisconnectedException (#137)

* Update readme.md (#110)

Fixed broken links.

* Fault partition pump on ReceiverDisconnectedException only.

* Moving samples to the azure-event-hubs repo (#142)

* Moving samples to the azure-event-hubs repo

* Fixes

* EPH lease manager and checkpointing fixes and improvements (#117)

* Fixing build break introduced with preview check-in.

* Here is the list of the changes:
+ Moving Offset and SequenceNumbre to base class Lease.cs
+ AzureStorageCheckpointLeaseManager.cs to stop downloading lease at every checkpoint call. This was causing 2 hosts operating on the same lease for a while.
+ Set MaximumExecutionTime on renewRequestOptions used while renewing storage lease.
+ Throw LeaseLostException when lease is lost on operations like Renew and Update.
+ Updating interface ICheckpointManager to accept Lease while updating checkpoint.
+ Some Linq improvements at lease steal and balancing logics.
+ Updating multiple-hosts unit test to validate load balancing.

* Set PartitionContext's SequenceNumber and Offset only before delivering the messages to the handler.

* CheckpointAsync(EventData eventData) should not allow checkpointing if the suplied eventData is ahead of processed batch.

* Add unit test to cover checkpointing messages in the middle of a batch.

* Marking ICheckpointManager.UpdateCheckpointAsync(Checkpoint checkpoint) as obsolute

* Fix: ReceiveHandler and PartitionPump should gracefully handle exceptions thrown at ProcessError callbacks.
Adding a CIT to cover error cases in EPH.

* HostShouldRecoverWhenProcessProcessEventsAsyncThrows unit test to unregister host at the end.

* Cancelling swallow and trace change in ReceiveHandlerProcessErrorAsync(Exception error)

* Remove unnecessary ExceptionHandled trace from EventSource.

* + Removing Obsolete signature from ICheckpointManager.
+ TaskContinuationOptions.OnlyOnRanToCompletion while persisting lease.

* Adding Obsolete ICheckpointManager.UpdateCheckpointAsync(Checkpoint checkpoint) back

* Avoid TaskCancelledException from ContinueWith when blob call fails due to lease lost. (#145)

* Update global.json (#147)

Specifying .net core version for Appveyor build

* Bumping up the Storage version to 8.1.1 (#149)

* Bumping up dependent SDK to latest - 3131. (#150)

* Updating NuGet package descriptions

* Updating EPH NuGet package description

* Slimming down AsyncLock by removing unnecessary checks and calls. (#153)

* Codecov (#155)

* Updated Xunit refs, set assemblies to run in order, added codecov step to build

* Adding an additional filter

* ran same tests twice

* made variables a little more clear

* Missed another variable for build

* Adding codecov badges

* Adding back net46 test runs

* Allow at least 60 seconds for AMQP session create. (#154)

* Allow at least AmqpMinimumOpenSessionTimeoutInSeconds seconds to open the session.

* refactor

* Fixing unit tests to support timeout change.

* Setting appveyor build to only build master/dev branches.

* Batch event data API (#157)

* Draft

* EvetDataBatch first iteration.

* Implementing IDisposable on EventData and EventDataBatch

* Removing EventHubSendBatchMismatchPartitionKey from resources.

* .

* Remove unused NullString constant

* Calling MaxMessageSize() instead of MaxMessageSize property.

* Updating readme with sample location

* Update project to VS 2017 (#158)

* Fix audience on the ActiveClientLink (#164)

* Appveyor and unit test updates (#166)

* Adding API documentation (#168)

* Adding shared access signature support. (#174)

* Adding shared access signature support.
* Fixing a comment typo.
* Reducing the number of clients to 4 in SmallReceiveTimeout unit test.

* Using ConfigureAwait(false) to avoid context restoration (#182)

* Fix lease-lost decision logic (#179)

* Provide inner exception's message as LeaseLostException's message.

* Fix the lease-lost decision logic.

* Fix appveyor.yml (#192)

* Fix appveyor.yml

* Add build log to build.ps1

* .

* .

* .

* .

* .

* Appveyor account changes in readme.md

* Web sockets support (#177)

* Cleaning things up for websockets support.

* Adding AMQP web sockets support

* Moving to AMQP 2.1.0

* Fixing build failure.

* Remove secrets

* Fix SasKey remove issue in unit test.

* Bumping up the client version to 1.0.3 (#190)

* Bumping up the client version to 1.0.3

* Updating version prefix as well.

* Close sender and receiver clients. (#194)

* Fixing receiver pump open/close race issue (#175)

* Fixing receiver pump open/close race issue and adding a new unit test to cover the fix.

* receiveHandler.ProcessErrorAsync should not crash the process. Basically ignore any failure from user code.

* Add missing TaskContinuationOptions.OnlyOnFaulted

* Using a fixed timeout while creating AMQP session. (#195)

* Azure AMQP 2.1.1 and small RetryPolicy fix. (#196)

* Using a fixed timeout while creating AMQP session.

* Move to Azure.Amqp 2.1.1

* Use AddOrUpdate at retry count incrementation.

* Fix Appveyor badge link and add VS 2017 build instructions. (#199)

* Fix Appveyor badge link and add VS 2017 build instructions.

* Update readme.md

* Update readme.md

* Client entities should inherit retry policy from parent client. (#200)

* Client entities should inherit retry policy from client.

* Minor test fix.

* Propagate retry policy updates on client to inner sender.

* Adding PartitionManagerOptions (#202)

* Adding PartitionManagerOptions

* Comment change

* Fixing lease manager initialization issue.

* Addressing SJ's comments.

* Adding receiver runtime metrics support. (#180)

* Adding receiver runtime metrics support.

* Instantiate PartitionContext.RuntimeInformation

* Moving to SDK 2.0 (#205)

* Moving to SDK 2.0

* Updating Appveyor scripts for version change.

* Moving to .Net 4.6.1

* Updating the package version to 2.0.0

* Updating version prefix to 2.0.0

* .

* .

* more versioning fixes

* Removing PackageTargetFallback since failing restore

* Removing PackageTargetFallback in test project

* appveyor.yml fix

* Appveyor version 2.0

* [DS] Added Diagnostic Source instrumentation for Send operation (#203)

* [DS] Added Diagnostic Source instrumentation for Send operation

* [DS] Addressed PR feedback

* [DS] Added Diagnostic Source instrumentation for Receive operation

* [DS] Improve Diagnostic Source instrumentation (#212)

* [DS] Improve Diagnostic Source instrumentation

* [DS] Added back several tags

* [DS] Added Diagnostic instrumentation tests

* [DS] Standardized event payload properties

* [DS] Properly dispose Diagnostics tests

* [DS] Added Diagnostic-Id and Correlation-Context injection (#214)

* [DS] Added Diagnostic-Id and Correlation-Context injection + ExtractActivity helper

* [DS] Fixed diagnostics tests stability

* Fix EventHubsConnectionStringBuilder ctor crash (#219)

When supplying SharedAccessSignature as a parameter

* Fixing deceptive description of InitialOffsetProvider (#224)

* Aad token provider (#225)

* Adding AAD token support.

* improve lock

* Adding MSI provider.

* Some small changes

* Adddresing comments and couple small fixes.

* Remove string resource

* Remove test secrets

* Renaming paramater endpoint to endpointAddress

* Renaming paramater endpoint to endpointAddress

* Remove unused AsyncLock

* Remove redundant config name

* Remove using

* Remove usings

* Merge fix

* API name change

* Xmldoc type fix.

* Remove SecurityToken internal constructor

* Build error fix

* Cleanup code

* Pass temporary audience instead of empty string to SecurityToken.

* Make token type required

* Refactoring SharedAccessSignatureToken for cleanup

* Function renaming to carry UTC notion.

* Remove procted accesors from SecurityToken class properties.

* changing the icon for nuget (#228)

* Adding receiver identifier support (#226)

* Fixing EventDataBatch with partition-key related issues. (#198)

* Fixing DataBatch partition-key usage

* Fixing EventDataBatch with partition-key related issues.

* Incorporating comments from latest team discussion.

* Removing a leftover from debug session.

* Adding maxMessageSize to CreateBatch API on clients.

* Aligning API with Java client.

* Fixing build error.

* Adding EH client changes to support sequence number receiver. (#230)

* EventData.SystemProperties to inherit Dictionary (#206)

* Adding BatchOptions

* Avoid application properties to overwrite IOT set properties.

* Remove batchoptions, not related to this change

* Avoid IOT reserved names to be used in the message propery bag.

* SystemProperties to inherit System.Dictionary.

* Return system property from dictionary instead of assigning them during message conversion.

* Throw if system property is missing.

* Fix merge errors

* Merge fix

* Remove unnecessary partitionid/partitionkey check

* Close receivers

* Adjusting class comment of EventDataBatch class (#213)

* Adjusting class comment of EventDataBatch class

Adjusting top comment, as SendBatch and SendBatchAsync methods don't exist on EventHubClient anymore, the methods are called Send and SendAsync and take either a single EventData or an IEnumerable<EventData>.
In addition the comment makes it not clear why a dev should use this class. Why not just create an IEnumerable<EventData> on your own? A dev should use this class because it takes care of the size limit, that's the main reason and it should be in the header.

* Update EventDataBatch.cs

Fixing the comment to make it XML-compliant.

* Update EventDataBatch.cs

Link EventHubClient in XML comment

* Add default batch size for receive handler. (#235)

* Add default batch size for receive handler.

* Rely on default MaxBatchSize in the unit tests

* XMLdoc correction

* Address James's comment on PR

* Fixed a typographical error (#239)

* invokeWhenNoEvents flag for Pump (#238)

* Adding invokeWhenNoEvents to pump and wiring up EH null callback on this.

* Fix default pump invoke on null behavior

* Stop-CancellationToken for PartitionPump (#187)

* Fixing dev branch badge img URL.

* Bumping up AMQP and some other Nuget package versions (#249)

* Bumping up AMQP and some other Nuget package versions

* Nuet package version bump up for EPH client and fixing Obsolute storage call.

* Enable custom proxy endpoints (#252)

* Enable custom proxy setting fpr client.

* Move webproxy to clients.

* Trivial change

* Addressing SJ's comments.

* Reducing Newtonsoft.Json dependency version to 10.0.3 (#255)

* Fixing empty offset from no-receive partition lease. (#253)

* Notify partitionId in the error callback if lease call fails. (#257)

* Update readme.md

Updating docs to reflect .NET Standard 2.0

* Apply proxy settings for EPH on management client.

* EPH - enable proxy on management client (#261)

* Apply proxy settings for EPH on management client.

* Enable SequenceId receive tests

* Use entire hostname in the EPH traces and error messages. (#263)

* Apply proxy settings for EPH on management client.

* Use hostname instead of trimmed version in the EPH traces.

* Log ReceiverDisconnectedException error message in EPH traces.

* Calculate EPH renew interval (#264)

* Apply proxy settings for EPH on management client.

* Consider reducing the wait time with last lease-walkthrough's time taken.

* Increase operation-timeout for tests to reduce intermittent timeout failures.

* Partition manager lease handling improvements (#266)

* Apply proxy settings for EPH on management client.

* Parallel lease renewal and couple more improvements in partition manager.

* Nit

* Handle lease renew race between checkpointing and partition manager renew loop.

* Don't throw for missing partition-key since not all events will have one.

* Fix event data batch size miscalculation (#268)

* Apply proxy settings for EPH on management client.

* Fix EventDataBatch size calculation

* Fixing overhead calculation for smaller messages.

* Optimize

* Shorten unit test names

* Reduce total run time for EPH tests.

* Increase ResetEvent timeout

* Move EPH negative test to its own class.

* Shorten run time for PartitionKeyValidation test

* Rename GetSize to GetEventSizeForBatch

* Take wrapper message into account while calculating batch size.

* Remove MultipleConsumerGroups from EPH test coverage. This test doesn't really validate any functionality.

* Bumping up Microsoft.Azure.Services.AppAuthentication to 1.0.0 release

* Fix ObjectDisposedException when send retried with the same set of EventDatas (#275)

* Fix ObjectDisposedException when send retried with the same set of messages.

* Correct where to reset AmqpMessage on EventData

* Always use default timeout for AMQP sesssion create. (#272)

* Always use default timeout for AMQP sesssion.

* Fix timeouts for AMQP management calls

* Fix timeouthelper on Sender as well.

* AAD Token Provider support for EPH (#276)

* AAD Token Provider support for EPH

* Remove AAD secrets from test

* Addressing CR comments

* Support Azure Storage AAD/MSI token provider at EPH instantiation. (#281)

* Support Azure Storage AAD/MSI token provider at EPH instantiation.

* Versioning updates.

* Mergin couple more changes from dev to master

* Merge ProcessorTestBase changes from dev to master

* Bump up SDK version to 2.1.0