void StartAndTune()
{
var connectionStartCell = new BlockingCell <ConnectionStartDetails>();
m_model0.m_connectionStartCell = connectionStartCell;
m_model0.HandshakeContinuationTimeout = m_factory.HandshakeContinuationTimeout;
m_frameHandler.ReadTimeout = (int)m_factory.HandshakeContinuationTimeout.TotalMilliseconds;
m_frameHandler.SendHeader();
var connectionStart = connectionStartCell.WaitForValue();
if (connectionStart == null)
{
throw new IOException("connection.start was never received, likely due to a network timeout");
}
ServerProperties = connectionStart.m_serverProperties;
var serverVersion = new AmqpVersion(connectionStart.m_versionMajor,
connectionStart.m_versionMinor);
if (!serverVersion.Equals(Protocol.Version))
{
TerminateMainloop();
FinishClose();
throw new ProtocolVersionMismatchException(Protocol.MajorVersion,
Protocol.MinorVersion,
serverVersion.Major,
serverVersion.Minor);
}
m_clientProperties = new Dictionary <string, object>(m_factory.ClientProperties);
m_clientProperties["capabilities"] = Protocol.Capabilities;
m_clientProperties["connection_name"] = this.ClientProvidedName;
// FIXME: parse out locales properly!
ConnectionTuneDetails connectionTune = default(ConnectionTuneDetails);
bool tuned = false;
try
{
string mechanismsString = Encoding.UTF8.GetString(connectionStart.m_mechanisms, 0, connectionStart.m_mechanisms.Length);
string[] mechanisms = mechanismsString.Split(' ');
AuthMechanismFactory mechanismFactory = m_factory.AuthMechanismFactory(mechanisms);
if (mechanismFactory == null)
{
throw new IOException("No compatible authentication mechanism found - " +
"server offered [" + mechanismsString + "]");
}
AuthMechanism mechanism = mechanismFactory.GetInstance();
byte[] challenge = null;
do
{
byte[] response = mechanism.handleChallenge(challenge, m_factory);
ConnectionSecureOrTune res;
if (challenge == null)
{
res = m_model0.ConnectionStartOk(m_clientProperties,
mechanismFactory.Name,
response,
"en_US");
}
else
{
res = m_model0.ConnectionSecureOk(response);
}
if (res.m_challenge == null)
{
connectionTune = res.m_tuneDetails;
tuned = true;
}
else
{
challenge = res.m_challenge;
}
}while (!tuned);
}
catch (OperationInterruptedException e)
{
if (e.ShutdownReason != null && e.ShutdownReason.ReplyCode == Constants.AccessRefused)
{
throw new AuthenticationFailureException(e.ShutdownReason.ReplyText);
}
throw new PossibleAuthenticationFailureException(
"Possibly caused by authentication failure", e);
}
var channelMax = (ushort)NegotiatedMaxValue(m_factory.RequestedChannelMax,
connectionTune.m_channelMax);
m_sessionManager = new SessionManager(this, channelMax);
uint frameMax = NegotiatedMaxValue(m_factory.RequestedFrameMax,
connectionTune.m_frameMax);
FrameMax = frameMax;
var heartbeat = (ushort)NegotiatedMaxValue(m_factory.RequestedHeartbeat,
connectionTune.m_heartbeat);
Heartbeat = heartbeat;
m_model0.ConnectionTuneOk(channelMax,
frameMax,
heartbeat);
// now we can start heartbeat timers
MaybeStartHeartbeatTimers();
}
private void StartAndTune()
{
var connectionStartCell = new BlockingCell <ConnectionStartDetails>();
_model0.m_connectionStartCell = connectionStartCell;
_model0.HandshakeContinuationTimeout = _config.HandshakeContinuationTimeout;
_frameHandler.ReadTimeout = _config.HandshakeContinuationTimeout;
_frameHandler.SendHeader();
ConnectionStartDetails connectionStart = connectionStartCell.WaitForValue();
if (connectionStart is null)
{
throw new IOException("connection.start was never received, likely due to a network timeout");
}
ServerProperties = connectionStart.m_serverProperties;
var serverVersion = new AmqpVersion(connectionStart.m_versionMajor, connectionStart.m_versionMinor);
if (!serverVersion.Equals(Protocol.Version))
{
TerminateMainloop();
FinishClose();
throw new ProtocolVersionMismatchException(Protocol.MajorVersion, Protocol.MinorVersion, serverVersion.Major, serverVersion.Minor);
}
// FIXME: parse out locales properly!
ConnectionTuneDetails connectionTune = default;
bool tuned = false;
try
{
string mechanismsString = Encoding.UTF8.GetString(connectionStart.m_mechanisms);
IAuthMechanismFactory mechanismFactory = GetAuthMechanismFactory(mechanismsString);
IAuthMechanism mechanism = mechanismFactory.GetInstance();
byte[]? challenge = null;
do
{
byte[] response = mechanism.handleChallenge(challenge, _config);
ConnectionSecureOrTune res;
if (challenge is null)
{
res = _model0.ConnectionStartOk(ClientProperties,
mechanismFactory.Name,
response,
"en_US");
}
else
{
res = _model0.ConnectionSecureOk(response);
}
if (res.m_challenge is null)
{
connectionTune = res.m_tuneDetails;
tuned = true;
}
else
{
challenge = res.m_challenge;
}
}while (!tuned);
}
catch (OperationInterruptedException e)
{
if (e.ShutdownReason != null && e.ShutdownReason.ReplyCode == Constants.AccessRefused)
{
throw new AuthenticationFailureException(e.ShutdownReason.ReplyText);
}
throw new PossibleAuthenticationFailureException(
"Possibly caused by authentication failure", e);
}
ushort channelMax = (ushort)NegotiatedMaxValue(_config.MaxChannelCount, connectionTune.m_channelMax);
_sessionManager = new SessionManager(this, channelMax);
uint frameMax = NegotiatedMaxValue(_config.MaxFrameSize, connectionTune.m_frameMax);
FrameMax = frameMax;
MaxPayloadSize = frameMax == 0 ? int.MaxValue : (int)frameMax - Client.Impl.Framing.BaseFrameSize;
uint heartbeatInSeconds = NegotiatedMaxValue((uint)_config.HeartbeatInterval.TotalSeconds, (uint)connectionTune.m_heartbeatInSeconds);
Heartbeat = TimeSpan.FromSeconds(heartbeatInSeconds);
_model0.ConnectionTuneOk(channelMax, frameMax, (ushort)Heartbeat.TotalSeconds);
// now we can start heartbeat timers
MaybeStartHeartbeatTimers();
}