private IConnection SendPreamble(IConnection connection, ArraySegment <byte> preamble, ref TimeoutHelper timeoutHelper)
{
// initialize a new decoder
_decoder = new ClientDuplexDecoder(0);
byte[] ackBuffer = new byte[1];
connection.Write(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime());
if (_upgrade != null)
{
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
upgradeInitiator.Open(timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, _decoder, this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, this.Via, MessageEncoder.ContentType, ref timeoutHelper);
}
SetRemoteSecurity(upgradeInitiator);
upgradeInitiator.Close(timeoutHelper.RemainingTime());
connection.Write(ClientDuplexEncoder.PreambleEndBytes, 0, ClientDuplexEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
// read ACK
int ackBytesRead = connection.Read(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, _decoder, Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, Via,
MessageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
private IConnection SendPreamble(IConnection connection, ref TimeoutHelper timeoutHelper, ClientFramingDecoder decoder, out SecurityMessageProperty remoteSecurity)
{
connection.Write(this.Preamble, 0, this.Preamble.Length, true, timeoutHelper.RemainingTime());
if (this.upgrade != null)
{
IStreamUpgradeChannelBindingProvider property = this.upgrade.GetProperty <IStreamUpgradeChannelBindingProvider>();
StreamUpgradeInitiator upgradeInitiator = this.upgrade.CreateUpgradeInitiator(base.RemoteAddress, base.Via);
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, decoder, this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(decoder, connection, base.Via, this.messageEncoder.ContentType, ref timeoutHelper);
}
if ((property != null) && property.IsChannelBindingSupportEnabled)
{
this.channelBindingToken = property.GetChannelBinding(upgradeInitiator, ChannelBindingKind.Endpoint);
}
remoteSecurity = StreamSecurityUpgradeInitiator.GetRemoteSecurity(upgradeInitiator);
connection.Write(ClientSingletonEncoder.PreambleEndBytes, 0, ClientSingletonEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
else
{
remoteSecurity = null;
}
byte[] buffer = new byte[1];
int count = connection.Read(buffer, 0, buffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(buffer, count, decoder, base.Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(decoder, connection, base.Via, this.messageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
bool HandlePreambleAck()
{
int ackBytesRead = connection.EndRead();
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(
connection.AsyncReadBuffer, ackBytesRead, decoder, channel.Via))
{
if (onFailedUpgrade == null)
{
onFailedUpgrade = Fx.ThunkCallback(new AsyncCallback(OnFailedUpgrade));
}
IAsyncResult decodeFaultResult = ConnectionUpgradeHelper.BeginDecodeFramingFault(decoder,
connection, channel.Via, channel.messageEncoder.ContentType, ref timeoutHelper,
onFailedUpgrade, this);
if (!decodeFaultResult.CompletedSynchronously)
{
return(false);
}
ConnectionUpgradeHelper.EndDecodeFramingFault(decodeFaultResult);
return(true);
}
return(true);
}
private IConnection SendPreamble(IConnection connection, ArraySegment <byte> preamble, ref TimeoutHelper timeoutHelper)
{
this.decoder = new ClientDuplexDecoder(0L);
byte[] buffer = new byte[1];
connection.Write(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime());
if (this.upgrade != null)
{
IStreamUpgradeChannelBindingProvider property = this.upgrade.GetProperty <IStreamUpgradeChannelBindingProvider>();
StreamUpgradeInitiator upgradeInitiator = this.upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
upgradeInitiator.Open(timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, this.decoder, this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(this.decoder, connection, this.Via, base.MessageEncoder.ContentType, ref timeoutHelper);
}
if ((property != null) && property.IsChannelBindingSupportEnabled)
{
base.SetChannelBinding(property.GetChannelBinding(upgradeInitiator, ChannelBindingKind.Endpoint));
}
this.SetRemoteSecurity(upgradeInitiator);
upgradeInitiator.Close(timeoutHelper.RemainingTime());
connection.Write(SessionEncoder.PreambleEndBytes, 0, SessionEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
int count = connection.Read(buffer, 0, buffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(buffer, count, this.decoder, this.Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(this.decoder, connection, this.Via, base.MessageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
static void OnFailedUpgrade(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
SendPreambleAsyncResult thisPtr = (SendPreambleAsyncResult)result.AsyncState;
Exception completionException = null;
try
{
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
#pragma warning suppress 56500 // Microsoft, transferring exception to another thread
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completionException = e;
}
thisPtr.Complete(false, completionException);
}
bool HandleUpgrade(IAsyncResult result)
{
connection = ConnectionUpgradeHelper.EndInitiateUpgrade(result);
if (this.channelBindingProvider != null && this.channelBindingProvider.IsChannelBindingSupportEnabled)
{
this.channel.channelBindingToken = this.channelBindingProvider.GetChannelBinding(this.upgradeInitiator, ChannelBindingKind.Endpoint);
}
this.remoteSecurity = StreamSecurityUpgradeInitiator.GetRemoteSecurity(this.upgradeInitiator);
this.upgradeInitiator = null; // we're done with the initiator
if (onWritePreambleEnd == null)
{
onWritePreambleEnd = Fx.ThunkCallback(new WaitCallback(OnWritePreambleEnd));
}
AsyncCompletionResult writePreambleResult = connection.BeginWrite(
ClientSingletonEncoder.PreambleEndBytes, 0, ClientSingletonEncoder.PreambleEndBytes.Length, true,
timeoutHelper.RemainingTime(), onWritePreambleEnd, this);
if (writePreambleResult == AsyncCompletionResult.Queued)
{
return(false);
}
connection.EndWrite();
return(ReadPreambleAck());
}
bool HandleWritePreamble()
{
connection.EndWrite();
if (channel.upgrade == null)
{
return(ReadPreambleAck());
}
else
{
this.channelBindingProvider = channel.upgrade.GetProperty <IStreamUpgradeChannelBindingProvider>();
this.upgradeInitiator = channel.upgrade.CreateUpgradeInitiator(channel.RemoteAddress, channel.Via);
if (onUpgrade == null)
{
onUpgrade = Fx.ThunkCallback(new AsyncCallback(OnUpgrade));
}
IAsyncResult initiateUpgradeResult = ConnectionUpgradeHelper.BeginInitiateUpgrade(channel.settings, channel.RemoteAddress,
connection, decoder, this.upgradeInitiator, channel.messageEncoder.ContentType, null,
this.timeoutHelper, onUpgrade, this);
if (!initiateUpgradeResult.CompletedSynchronously)
{
return(false);
}
return(HandleUpgrade(initiateUpgradeResult));
}
}
private async Task <IConnection> SendPreambleAsync(IConnection connection, ArraySegment <byte> preamble, TimeSpan timeout)
{
var timeoutHelper = new TimeoutHelper(timeout);
// initialize a new decoder
_decoder = new ClientDuplexDecoder(0);
byte[] ackBuffer = new byte[1];
var tcs = new TaskCompletionSource <bool>();
var result = connection.BeginWrite(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime(), FramingDuplexSessionChannel.OnIoComplete, tcs);
if (result == AsyncCompletionResult.Completed)
{
tcs.SetResult(true);
}
await tcs.Task;
connection.EndWrite();
if (_upgrade != null)
{
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
upgradeInitiator.Open(timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, _decoder, this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, this.Via, MessageEncoder.ContentType, ref timeoutHelper);
}
SetRemoteSecurity(upgradeInitiator);
upgradeInitiator.Close(timeoutHelper.RemainingTime());
connection.Write(ClientDuplexEncoder.PreambleEndBytes, 0, ClientDuplexEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
// read ACK
tcs = new TaskCompletionSource <bool>();
//ackBuffer
result = connection.BeginRead(0, ackBuffer.Length, timeoutHelper.RemainingTime(), OnIoComplete, tcs);
if (result == AsyncCompletionResult.Completed)
{
tcs.SetResult(true);
}
await tcs.Task;
int ackBytesRead = connection.EndRead();
Buffer.BlockCopy((Array)connection.AsyncReadBuffer, 0, (Array)ackBuffer, 0, ackBytesRead);
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, _decoder, Via))
{
await ConnectionUpgradeHelper.DecodeFramingFaultAsync(_decoder, connection, Via,
MessageEncoder.ContentType, timeoutHelper.RemainingTime());
}
return(connection);
}
private async Task <IConnection> SendPreambleAsync(IConnection connection, ArraySegment <byte> preamble, TimeSpan timeout)
{
var timeoutHelper = new TimeoutHelper(timeout);
// initialize a new decoder
_decoder = new ClientDuplexDecoder(0);
byte[] ackBuffer = new byte[1];
if (!await SendLock.WaitAsync(TimeoutHelper.ToMilliseconds(timeout)))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(
SR.Format(SR.CloseTimedOut, timeout),
TimeoutHelper.CreateEnterTimedOutException(timeout)));
}
try
{
await connection.WriteAsync(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime());
if (_upgrade != null)
{
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
await upgradeInitiator.OpenAsync(timeoutHelper.RemainingTime());
var connectionWrapper = new OutWrapper <IConnection>();
connectionWrapper.Value = connection;
bool upgradeInitiated = await ConnectionUpgradeHelper.InitiateUpgradeAsync(upgradeInitiator, connectionWrapper, _decoder, this, timeoutHelper.RemainingTime());
connection = connectionWrapper.Value;
if (!upgradeInitiated)
{
await ConnectionUpgradeHelper.DecodeFramingFaultAsync(_decoder, connection, this.Via, MessageEncoder.ContentType, timeoutHelper.RemainingTime());
}
SetRemoteSecurity(upgradeInitiator);
await upgradeInitiator.CloseAsync(timeoutHelper.RemainingTime());
await connection.WriteAsync(ClientDuplexEncoder.PreambleEndBytes, 0, ClientDuplexEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
int ackBytesRead = await connection.ReadAsync(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, _decoder, Via))
{
await ConnectionUpgradeHelper.DecodeFramingFaultAsync(_decoder, connection, Via,
MessageEncoder.ContentType, timeoutHelper.RemainingTime());
}
return(connection);
}
finally
{
SendLock.Release();
}
}
public DecodeFailedUpgradeAsyncResult(ClientFramingDecoder decoder, IConnection connection, Uri via, string contentType, ref TimeoutHelper timeoutHelper, AsyncCallback callback, object state) : base(callback, state)
{
ConnectionUpgradeHelper.ValidateReadingFaultString(decoder);
this.decoder = decoder;
this.connection = connection;
this.via = via;
this.contentType = contentType;
this.timeoutHelper = timeoutHelper;
if (connection.BeginRead(0, Math.Min(0x100, connection.AsyncReadBufferSize), timeoutHelper.RemainingTime(), onReadFaultData, this) != AsyncReadResult.Queued)
{
this.CompleteReadFaultData();
}
}
private bool HandlePreambleAck()
{
int count = this.connection.EndRead();
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(this.connection.AsyncReadBuffer, count, this.channel.decoder, this.channel.Via))
{
IAsyncResult result = ConnectionUpgradeHelper.BeginDecodeFramingFault(this.channel.decoder, this.connection, this.channel.Via, this.channel.MessageEncoder.ContentType, ref this.timeoutHelper, Fx.ThunkCallback(new AsyncCallback(this.OnFailedPreamble)), this);
if (!result.CompletedSynchronously)
{
return(false);
}
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
return(true);
}
private bool HandleInitiatorOpen(IAsyncResult result)
{
this.upgradeInitiator.EndOpen(result);
if (onUpgrade == null)
{
onUpgrade = Fx.ThunkCallback(new AsyncCallback(ClientFramingDuplexSessionChannel.SendPreambleAsyncResult.OnUpgrade));
}
IAsyncResult result2 = ConnectionUpgradeHelper.BeginInitiateUpgrade(this.channel, this.channel.RemoteAddress, this.connection, this.channel.decoder, this.upgradeInitiator, this.channel.MessageEncoder.ContentType, this.identityToImpersonate, this.timeoutHelper, onUpgrade, this);
if (!result2.CompletedSynchronously)
{
return(false);
}
return(this.HandleUpgrade(result2));
}
private IConnection SendPreamble(IConnection connection, ArraySegment <byte> preamble, ref TimeoutHelper timeoutHelper)
{
TimeSpan timeout = timeoutHelper.RemainingTime();
if (!SendLock.Wait(TimeoutHelper.ToMilliseconds(timeout)))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(
SR.Format(SR.CloseTimedOut, timeout),
TimeoutHelper.CreateEnterTimedOutException(timeout)));
}
try
{
// initialize a new decoder
_decoder = new ClientDuplexDecoder(0);
byte[] ackBuffer = new byte[1];
connection.Write(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime());
if (_upgrade != null)
{
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
upgradeInitiator.Open(timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, _decoder, this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, this.Via, MessageEncoder.ContentType, ref timeoutHelper);
}
SetRemoteSecurity(upgradeInitiator);
upgradeInitiator.Close(timeoutHelper.RemainingTime());
connection.Write(ClientDuplexEncoder.PreambleEndBytes, 0, ClientDuplexEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
// read ACK
int ackBytesRead = connection.Read(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, _decoder, Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, Via,
MessageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
finally
{
SendLock.Release();
}
}
private IConnection SendPreamble(IConnection connection, ArraySegment <byte> preamble, ref TimeoutHelper timeoutHelper)
{
// initialize a new decoder
_decoder = new ClientDuplexDecoder(0);
byte[] ackBuffer = new byte[1];
connection.Write(preamble.Array, preamble.Offset, preamble.Count, true, timeoutHelper.RemainingTime());
// read ACK
int ackBytesRead = connection.Read(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, _decoder, Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(_decoder, connection, Via,
MessageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
internal IConnection SendPreamble(IConnection connection, ref TimeoutHelper timeoutHelper,
ClientFramingDecoder decoder, out SecurityMessageProperty remoteSecurity)
{
connection.Write(Preamble, 0, Preamble.Length, true, timeoutHelper.RemainingTime());
if (_upgrade != null)
{
IStreamUpgradeChannelBindingProvider channelBindingProvider = _upgrade.GetProperty <IStreamUpgradeChannelBindingProvider>();
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
if (!ConnectionUpgradeHelper.InitiateUpgrade(upgradeInitiator, ref connection, decoder,
this, ref timeoutHelper))
{
ConnectionUpgradeHelper.DecodeFramingFault(decoder, connection, Via, _messageEncoder.ContentType, ref timeoutHelper);
}
#if FEATURE_CORECLR // ExtendedProtection
if (channelBindingProvider != null && channelBindingProvider.IsChannelBindingSupportEnabled)
{
_channelBindingToken = channelBindingProvider.GetChannelBinding(upgradeInitiator, ChannelBindingKind.Endpoint);
}
#endif // FEATURE_CORECLR // ExtendedProtection
remoteSecurity = StreamSecurityUpgradeInitiator.GetRemoteSecurity(upgradeInitiator);
connection.Write(ClientSingletonEncoder.PreambleEndBytes, 0,
ClientSingletonEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
else
{
remoteSecurity = null;
}
// read ACK
byte[] ackBuffer = new byte[1];
int ackBytesRead = connection.Read(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, decoder, this.Via))
{
ConnectionUpgradeHelper.DecodeFramingFault(decoder, connection, Via, _messageEncoder.ContentType, ref timeoutHelper);
}
return(connection);
}
private bool HandlePreambleAck()
{
int count = this.connection.EndRead();
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(this.connection.AsyncReadBuffer, count, this.decoder, this.channel.Via))
{
if (onFailedUpgrade == null)
{
onFailedUpgrade = Fx.ThunkCallback(new AsyncCallback(StreamedFramingRequestChannel.StreamedConnectionPoolHelper.SendPreambleAsyncResult.OnFailedUpgrade));
}
IAsyncResult result = ConnectionUpgradeHelper.BeginDecodeFramingFault(this.decoder, this.connection, this.channel.Via, this.channel.messageEncoder.ContentType, ref this.timeoutHelper, onFailedUpgrade, this);
if (!result.CompletedSynchronously)
{
return(false);
}
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
return(true);
}
private bool HandleUpgrade(IAsyncResult result)
{
this.connection = ConnectionUpgradeHelper.EndInitiateUpgrade(result);
if ((this.channelBindingProvider != null) && this.channelBindingProvider.IsChannelBindingSupportEnabled)
{
this.channel.SetChannelBinding(this.channelBindingProvider.GetChannelBinding(this.upgradeInitiator, ChannelBindingKind.Endpoint));
}
this.channel.SetRemoteSecurity(this.upgradeInitiator);
if (onUpgradeInitiatorClose == null)
{
onUpgradeInitiatorClose = Fx.ThunkCallback(new AsyncCallback(ClientFramingDuplexSessionChannel.SendPreambleAsyncResult.OnUpgradeInitiatorClose));
}
IAsyncResult result2 = this.upgradeInitiator.BeginClose(this.timeoutHelper.RemainingTime(), onUpgradeInitiatorClose, this);
if (!result2.CompletedSynchronously)
{
return(false);
}
return(this.HandleInitiatorClose(result2));
}
private void OnFailedPreamble(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
Exception exception = null;
try
{
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
catch (Exception exception2)
{
if (Fx.IsFatal(exception2))
{
throw;
}
exception = exception2;
}
base.Complete(false, exception);
}
}
private static void OnFailedUpgrade(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
StreamedFramingRequestChannel.StreamedConnectionPoolHelper.SendPreambleAsyncResult asyncState = (StreamedFramingRequestChannel.StreamedConnectionPoolHelper.SendPreambleAsyncResult)result.AsyncState;
Exception exception = null;
try
{
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
catch (Exception exception2)
{
if (Fx.IsFatal(exception2))
{
throw;
}
exception = exception2;
}
asyncState.Complete(false, exception);
}
}
private static void OnFailedUpgrade(IAsyncResult result)
{
if (!result.CompletedSynchronously)
{
ConnectionUpgradeHelper.InitiateUpgradeAsyncResult asyncState = (ConnectionUpgradeHelper.InitiateUpgradeAsyncResult)result.AsyncState;
Exception exception = null;
try
{
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
catch (Exception exception2)
{
if (Fx.IsFatal(exception2))
{
throw;
}
exception = exception2;
}
asyncState.Complete(false, exception);
}
}
private bool HandleWritePreamble(IAsyncResult result)
{
this.connection.EndWrite(result);
if (this.channel.upgrade == null)
{
return(this.ReadPreambleAck());
}
this.channelBindingProvider = this.channel.upgrade.GetProperty <IStreamUpgradeChannelBindingProvider>();
this.upgradeInitiator = this.channel.upgrade.CreateUpgradeInitiator(this.channel.RemoteAddress, this.channel.Via);
if (onUpgrade == null)
{
onUpgrade = Fx.ThunkCallback(new AsyncCallback(StreamedFramingRequestChannel.StreamedConnectionPoolHelper.SendPreambleAsyncResult.OnUpgrade));
}
IAsyncResult result2 = ConnectionUpgradeHelper.BeginInitiateUpgrade(this.channel.settings, this.channel.RemoteAddress, this.connection, this.decoder, this.upgradeInitiator, this.channel.messageEncoder.ContentType, null, this.timeoutHelper, onUpgrade, this);
if (!result2.CompletedSynchronously)
{
return(false);
}
return(this.HandleUpgrade(result2));
}
private bool HandleUpgrade(IAsyncResult result)
{
this.connection = ConnectionUpgradeHelper.EndInitiateUpgrade(result);
if ((this.channelBindingProvider != null) && this.channelBindingProvider.IsChannelBindingSupportEnabled)
{
this.channel.channelBindingToken = this.channelBindingProvider.GetChannelBinding(this.upgradeInitiator, ChannelBindingKind.Endpoint);
}
this.remoteSecurity = StreamSecurityUpgradeInitiator.GetRemoteSecurity(this.upgradeInitiator);
this.upgradeInitiator = null;
if (onWritePreambleEnd == null)
{
onWritePreambleEnd = Fx.ThunkCallback(new AsyncCallback(StreamedFramingRequestChannel.StreamedConnectionPoolHelper.SendPreambleAsyncResult.OnWritePreambleEnd));
}
IAsyncResult result2 = this.connection.BeginWrite(ClientSingletonEncoder.PreambleEndBytes, 0, ClientSingletonEncoder.PreambleEndBytes.Length, true, this.timeoutHelper.RemainingTime(), onWritePreambleEnd, this);
if (!result2.CompletedSynchronously)
{
return(false);
}
this.connection.EndWrite(result2);
return(this.ReadPreambleAck());
}
private bool CompleteReadUpgradeResponse()
{
int count = this.connection.EndRead();
if (!ConnectionUpgradeHelper.ValidateUpgradeResponse(this.connection.AsyncReadBuffer, count, this.decoder))
{
if (onFailedUpgrade == null)
{
onFailedUpgrade = Fx.ThunkCallback(new AsyncCallback(ConnectionUpgradeHelper.InitiateUpgradeAsyncResult.OnFailedUpgrade));
}
IAsyncResult result = ConnectionUpgradeHelper.BeginDecodeFramingFault(this.decoder, this.connection, this.remoteAddress.Uri, this.contentType, ref this.timeoutHelper, onFailedUpgrade, this);
if (result.CompletedSynchronously)
{
ConnectionUpgradeHelper.EndDecodeFramingFault(result);
}
return(result.CompletedSynchronously);
}
this.connectionStream = new ConnectionStream(this.connection, this.defaultTimeouts);
IAsyncResult result2 = null;
WindowsImpersonationContext context = (this.identityToImpersonate == null) ? null : this.identityToImpersonate.Impersonate();
try
{
using (context)
{
result2 = this.upgradeInitiator.BeginInitiateUpgrade(this.connectionStream, onInitiateUpgrade, this);
}
}
catch
{
throw;
}
if (!result2.CompletedSynchronously)
{
return(false);
}
this.CompleteUpgrade(result2);
return(true);
}
internal async Task <IConnection> SendPreambleAsync(IConnection connection, TimeoutHelper timeoutHelper, ClientFramingDecoder decoder)
{
await connection.WriteAsync(Preamble, 0, Preamble.Length, true, timeoutHelper.RemainingTime());
if (_upgrade != null)
{
StreamUpgradeInitiator upgradeInitiator = _upgrade.CreateUpgradeInitiator(this.RemoteAddress, this.Via);
await upgradeInitiator.OpenAsync(timeoutHelper.RemainingTime());
var connectionWrapper = new OutWrapper <IConnection>();
connectionWrapper.Value = connection;
bool upgradeInitiated = await ConnectionUpgradeHelper.InitiateUpgradeAsync(upgradeInitiator, connectionWrapper, decoder, this, timeoutHelper.RemainingTime());
connection = connectionWrapper.Value;
if (!upgradeInitiated)
{
await ConnectionUpgradeHelper.DecodeFramingFaultAsync(decoder, connection, this.Via, _messageEncoder.ContentType, timeoutHelper.RemainingTime());
}
await upgradeInitiator.CloseAsync(timeoutHelper.RemainingTime());
await connection.WriteAsync(ClientSingletonEncoder.PreambleEndBytes, 0, ClientSingletonEncoder.PreambleEndBytes.Length, true, timeoutHelper.RemainingTime());
}
byte[] ackBuffer = new byte[1];
int ackBytesRead = await connection.ReadAsync(ackBuffer, 0, ackBuffer.Length, timeoutHelper.RemainingTime());
if (!ConnectionUpgradeHelper.ValidatePreambleResponse(ackBuffer, ackBytesRead, decoder, Via))
{
await ConnectionUpgradeHelper.DecodeFramingFaultAsync(decoder, connection, Via,
_messageEncoder.ContentType, timeoutHelper.RemainingTime());
}
return(connection);
}
