@@ -64,10 +64,24 @@ public void Dispose()
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[ Collection ( "NoParallelization" ) ]
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public class TestConnectionRecovery : IntegrationFixture
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{
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+ private readonly byte [ ] _messageBody ;
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+ private readonly ushort _totalMessageCount = 1024 ;
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+ private readonly ushort _closeAtCount = 16 ;
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+ private string _queueName ;
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+
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+ public TestConnectionRecovery ( )
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+ {
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+ var rnd = new Random ( ) ;
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+ _messageBody = new byte [ 4096 ] ;
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+ rnd . NextBytes ( _messageBody ) ;
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+ }
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+
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protected override void SetUp ( )
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{
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+ _queueName = $ "TestConnectionRecovery-queue-{ Guid . NewGuid ( ) } ";
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_conn = CreateAutorecoveringConnection ( ) ;
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_model = _conn . CreateModel ( ) ;
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+ _model . QueueDelete ( _queueName ) ;
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}
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public override void Dispose ( )
@@ -76,13 +90,70 @@ public override void Dispose()
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}
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- [ Fact ]
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+ [ Fact ( Skip = "TODO flaky" ) ]
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public void TestBasicAckAfterChannelRecovery ( )
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{
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- var latch = new ManualResetEventSlim ( false ) ;
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- var cons = new AckingBasicConsumer ( _model , latch , CloseAndWaitForRecovery ) ;
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+ var allMessagesSeenLatch = new ManualResetEventSlim ( false ) ;
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+ var cons = new AckingBasicConsumer ( _model , _totalMessageCount , allMessagesSeenLatch ) ;
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+
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+ string queueName = _model . QueueDeclare ( _queueName , false , false , false , null ) . QueueName ;
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+ Assert . Equal ( queueName , _queueName ) ;
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+
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+ _model . BasicQos ( 0 , 1 , false ) ;
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+ string consumerTag = _model . BasicConsume ( queueName , false , cons ) ;
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+
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+ ManualResetEventSlim sl = PrepareForShutdown ( _conn ) ;
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+ ManualResetEventSlim rl = PrepareForRecovery ( _conn ) ;
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+
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+ PublishMessagesWhileClosingConn ( queueName ) ;
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- TestDelayedBasicAckNackAfterChannelRecovery ( cons , latch ) ;
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+ Wait ( sl ) ;
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+ Wait ( rl ) ;
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+ Wait ( allMessagesSeenLatch ) ;
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+ }
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+
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+ [ Fact ( Skip = "TODO flaky" ) ]
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+ public void TestBasicNackAfterChannelRecovery ( )
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+ {
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+ var allMessagesSeenLatch = new ManualResetEventSlim ( false ) ;
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+ var cons = new NackingBasicConsumer ( _model , _totalMessageCount , allMessagesSeenLatch ) ;
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+
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+ string queueName = _model . QueueDeclare ( _queueName , false , false , false , null ) . QueueName ;
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+ Assert . Equal ( queueName , _queueName ) ;
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+
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+ _model . BasicQos ( 0 , 1 , false ) ;
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+ string consumerTag = _model . BasicConsume ( queueName , false , cons ) ;
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+
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+ ManualResetEventSlim sl = PrepareForShutdown ( _conn ) ;
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+ ManualResetEventSlim rl = PrepareForRecovery ( _conn ) ;
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+
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+ PublishMessagesWhileClosingConn ( queueName ) ;
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+
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+ Wait ( sl ) ;
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+ Wait ( rl ) ;
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+ Wait ( allMessagesSeenLatch ) ;
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+ }
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+
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+ [ Fact ( Skip = "TODO flaky" ) ]
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+ public void TestBasicRejectAfterChannelRecovery ( )
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+ {
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+ var allMessagesSeenLatch = new ManualResetEventSlim ( false ) ;
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+ var cons = new RejectingBasicConsumer ( _model , _totalMessageCount , allMessagesSeenLatch ) ;
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+
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+ string queueName = _model . QueueDeclare ( _queueName , false , false , false , null ) . QueueName ;
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+ Assert . Equal ( queueName , _queueName ) ;
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+
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+ _model . BasicQos ( 0 , 1 , false ) ;
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+ string consumerTag = _model . BasicConsume ( queueName , false , cons ) ;
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+
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+ ManualResetEventSlim sl = PrepareForShutdown ( _conn ) ;
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+ ManualResetEventSlim rl = PrepareForRecovery ( _conn ) ;
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+
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+ PublishMessagesWhileClosingConn ( queueName ) ;
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+
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+ Wait ( sl ) ;
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+ Wait ( rl ) ;
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+ Wait ( allMessagesSeenLatch ) ;
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}
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[ Fact ]
@@ -91,7 +162,7 @@ public void TestBasicAckAfterBasicGetAndChannelRecovery()
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string q = GenerateQueueName ( ) ;
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_model . QueueDeclare ( q , false , false , false , null ) ;
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// create an offset
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- _model . BasicPublish ( "" , q , ReadOnlyMemory < byte > . Empty ) ;
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+ _model . BasicPublish ( "" , q , _messageBody ) ;
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Thread . Sleep ( 50 ) ;
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BasicGetResult g = _model . BasicGet ( q , false ) ;
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CloseAndWaitForRecovery ( ) ;
@@ -115,7 +186,7 @@ public void TestBasicAckEventHandlerRecovery()
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CloseAndWaitForRecovery ( ) ;
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Assert . True ( _model . IsOpen ) ;
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- WithTemporaryNonExclusiveQueue ( _model , ( m , q ) => m . BasicPublish ( "" , q , _encoding . GetBytes ( "" ) ) ) ;
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+ WithTemporaryNonExclusiveQueue ( _model , ( m , q ) => m . BasicPublish ( "" , q , _messageBody ) ) ;
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Wait ( latch ) ;
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}
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@@ -224,24 +295,6 @@ public void TestBasicModelRecoveryOnServerRestart()
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Assert . True ( _model . IsOpen ) ;
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}
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- [ Fact ]
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- public void TestBasicNackAfterChannelRecovery ( )
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- {
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- var latch = new ManualResetEventSlim ( false ) ;
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- var cons = new NackingBasicConsumer ( _model , latch , CloseAndWaitForRecovery ) ;
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-
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- TestDelayedBasicAckNackAfterChannelRecovery ( cons , latch ) ;
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- }
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-
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- [ Fact ]
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- public void TestBasicRejectAfterChannelRecovery ( )
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- {
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- var latch = new ManualResetEventSlim ( false ) ;
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- var cons = new RejectingBasicConsumer ( _model , latch , CloseAndWaitForRecovery ) ;
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-
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- TestDelayedBasicAckNackAfterChannelRecovery ( cons , latch ) ;
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- }
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-
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[ Fact ]
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public void TestBlockedListenersRecovery ( )
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{
@@ -780,7 +833,7 @@ public void TestRecoverTopologyOnDisposedChannel()
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var latch = new ManualResetEventSlim ( false ) ;
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cons . Received += ( s , args ) => latch . Set ( ) ;
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- _model . BasicPublish ( "" , q ) ;
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+ _model . BasicPublish ( "" , q , _messageBody ) ;
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Wait ( latch ) ;
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_model . QueueUnbind ( q , x , rk ) ;
@@ -817,7 +870,7 @@ public void TestPublishRpcRightAfterReconnect()
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{
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try
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{
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- _model . BasicPublish ( string . Empty , testQueueName , ref properties , ReadOnlyMemory < byte > . Empty ) ;
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+ _model . BasicPublish ( string . Empty , testQueueName , ref properties , _messageBody ) ;
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}
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catch ( Exception e )
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{
@@ -968,8 +1021,7 @@ internal void AssertExchangeRecovery(IModel m, string x)
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{
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string rk = "routing-key" ;
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m . QueueBind ( q , x , rk ) ;
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- byte [ ] mb = RandomMessageBody ( ) ;
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- m . BasicPublish ( x , rk , mb ) ;
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+ m . BasicPublish ( x , rk , _messageBody ) ;
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Assert . True ( WaitForConfirms ( m ) ) ;
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m . ExchangeDeclarePassive ( x ) ;
@@ -987,7 +1039,7 @@ internal void AssertQueueRecovery(IModel m, string q, bool exclusive)
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m . QueueDeclarePassive ( q ) ;
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QueueDeclareOk ok1 = m . QueueDeclare ( q , false , exclusive , false , null ) ;
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Assert . Equal ( 0u , ok1 . MessageCount ) ;
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- m . BasicPublish ( "" , q , _encoding . GetBytes ( "" ) ) ;
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+ m . BasicPublish ( "" , q , _messageBody ) ;
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Assert . True ( WaitForConfirms ( m ) ) ;
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QueueDeclareOk ok2 = m . QueueDeclare ( q , false , exclusive , false , null ) ;
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Assert . Equal ( 1u , ok2 . MessageCount ) ;
@@ -1017,18 +1069,29 @@ internal void CloseAndWaitForRecovery(AutorecoveringConnection conn)
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Wait ( rl ) ;
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}
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- internal static ManualResetEventSlim PrepareForRecovery ( AutorecoveringConnection conn )
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+ internal void CloseAndWaitForShutdown ( AutorecoveringConnection conn )
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+ {
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+ ManualResetEventSlim sl = PrepareForShutdown ( conn ) ;
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+ CloseConnection ( conn ) ;
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+ Wait ( sl ) ;
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+ }
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+
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+ internal ManualResetEventSlim PrepareForRecovery ( IConnection conn )
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{
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var latch = new ManualResetEventSlim ( false ) ;
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- conn . RecoverySucceeded += ( source , ea ) => latch . Set ( ) ;
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+
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+ AutorecoveringConnection aconn = conn as AutorecoveringConnection ;
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+ aconn . RecoverySucceeded += ( source , ea ) => latch . Set ( ) ;
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return latch ;
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}
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internal static ManualResetEventSlim PrepareForShutdown ( IConnection conn )
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{
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var latch = new ManualResetEventSlim ( false ) ;
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- conn . ConnectionShutdown += ( c , args ) => latch . Set ( ) ;
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+
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+ AutorecoveringConnection aconn = conn as AutorecoveringConnection ;
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+ aconn . ConnectionShutdown += ( c , args ) => latch . Set ( ) ;
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return latch ;
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}
@@ -1052,36 +1115,48 @@ internal void RestartServerAndWaitForRecovery(AutorecoveringConnection conn)
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Wait ( rl ) ;
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}
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- internal void TestDelayedBasicAckNackAfterChannelRecovery ( TestBasicConsumer1 cons , ManualResetEventSlim latch )
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+ internal void WaitForRecovery ( )
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{
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- string q = _model . QueueDeclare ( GenerateQueueName ( ) , false , false , false , null ) . QueueName ;
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- int n = 30 ;
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- _model . BasicQos ( 0 , 1 , false ) ;
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- _model . BasicConsume ( q , false , cons ) ;
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-
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- AutorecoveringConnection publishingConn = CreateAutorecoveringConnection ( ) ;
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- IModel publishingModel = publishingConn . CreateModel ( ) ;
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+ Wait ( PrepareForRecovery ( ( AutorecoveringConnection ) _conn ) ) ;
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+ }
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- for ( int i = 0 ; i < n ; i ++ )
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- {
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- publishingModel . BasicPublish ( "" , q , _encoding . GetBytes ( "" ) ) ;
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- }
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+ internal void WaitForRecovery ( AutorecoveringConnection conn )
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+ {
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+ Wait ( PrepareForRecovery ( conn ) ) ;
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+ }
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- Wait ( latch , TimeSpan . FromSeconds ( 20 ) ) ;
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- _model . QueueDelete ( q ) ;
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- publishingModel . Close ( ) ;
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- publishingConn . Close ( ) ;
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+ internal void WaitForShutdown ( )
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+ {
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+ Wait ( PrepareForShutdown ( _conn ) ) ;
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}
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internal void WaitForShutdown ( IConnection conn )
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{
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Wait ( PrepareForShutdown ( conn ) ) ;
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}
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- public class AckingBasicConsumer : TestBasicConsumer1
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+ internal void PublishMessagesWhileClosingConn ( string queueName )
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{
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- public AckingBasicConsumer ( IModel model , ManualResetEventSlim latch , Action fn )
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- : base ( model , latch , fn )
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+ using ( AutorecoveringConnection publishingConn = CreateAutorecoveringConnection ( ) )
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+ {
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+ using ( IModel publishingModel = publishingConn . CreateModel ( ) )
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+ {
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+ for ( ushort i = 0 ; i < _totalMessageCount ; i ++ )
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+ {
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+ if ( i == _closeAtCount )
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+ {
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+ CloseConnection ( _conn ) ;
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+ }
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+ publishingModel . BasicPublish ( string . Empty , queueName , _messageBody ) ;
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+ }
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+ }
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+ }
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+ }
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+
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+ public class AckingBasicConsumer : TestBasicConsumer
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+ {
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+ public AckingBasicConsumer ( IModel model , ushort totalMessageCount , ManualResetEventSlim allMessagesSeenLatch )
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+ : base ( model , totalMessageCount , allMessagesSeenLatch )
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{
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}
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@@ -1091,10 +1166,10 @@ public override void PostHandleDelivery(ulong deliveryTag)
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}
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}
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- public class NackingBasicConsumer : TestBasicConsumer1
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+ public class NackingBasicConsumer : TestBasicConsumer
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{
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- public NackingBasicConsumer ( IModel model , ManualResetEventSlim latch , Action fn )
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- : base ( model , latch , fn )
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+ public NackingBasicConsumer ( IModel model , ushort totalMessageCount , ManualResetEventSlim allMessagesSeenLatch )
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+ : base ( model , totalMessageCount , allMessagesSeenLatch )
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{
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}
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@@ -1104,10 +1179,10 @@ public override void PostHandleDelivery(ulong deliveryTag)
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}
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}
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- public class RejectingBasicConsumer : TestBasicConsumer1
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+ public class RejectingBasicConsumer : TestBasicConsumer
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{
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- public RejectingBasicConsumer ( IModel model , ManualResetEventSlim latch , Action fn )
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- : base ( model , latch , fn )
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+ public RejectingBasicConsumer ( IModel model , ushort totalMessageCount , ManualResetEventSlim allMessagesSeenLatch )
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+ : base ( model , totalMessageCount , allMessagesSeenLatch )
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{
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}
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@@ -1117,17 +1192,17 @@ public override void PostHandleDelivery(ulong deliveryTag)
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}
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}
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- public class TestBasicConsumer1 : DefaultBasicConsumer
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+ public class TestBasicConsumer : DefaultBasicConsumer
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{
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- private readonly Action _action ;
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- private readonly ManualResetEventSlim _latch ;
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+ private readonly ManualResetEventSlim _allMessagesSeenLatch ;
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+ private readonly ushort _totalMessageCount ;
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private ushort _counter = 0 ;
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- public TestBasicConsumer1 ( IModel model , ManualResetEventSlim latch , Action fn )
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+ public TestBasicConsumer ( IModel model , ushort totalMessageCount , ManualResetEventSlim allMessagesSeenLatch )
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: base ( model )
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{
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- _latch = latch ;
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- _action = fn ;
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+ _totalMessageCount = totalMessageCount ;
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+ _allMessagesSeenLatch = allMessagesSeenLatch ;
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}
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public override void HandleBasicDeliver ( string consumerTag ,
@@ -1140,19 +1215,15 @@ public override void HandleBasicDeliver(string consumerTag,
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{
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try
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{
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- if ( deliveryTag == 7 && _counter < 10 )
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- {
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- _action ( ) ;
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- }
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- if ( _counter == 9 )
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- {
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- _latch . Set ( ) ;
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- }
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PostHandleDelivery ( deliveryTag ) ;
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}
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finally
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{
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- _counter += 1 ;
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+ ++ _counter ;
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+ if ( _counter >= _totalMessageCount )
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+ {
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+ _allMessagesSeenLatch . Set ( ) ;
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+ }
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}
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}
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