public DuplexAmqpLink(AmqpSession session, AmqpLinkSettings settings)
: base("duplex")
{
AmqpTrace.Provider.AmqpLogOperationInformational(this, TraceOperation.Create, "Create");
var senderSettings = new AmqpLinkSettings
{
Role = false,
LinkName = settings.LinkName + ":out",
SettleType = settings.SettleType,
Source = new Source(),
TotalLinkCredit = settings.TotalLinkCredit,
AutoSendFlow = settings.AutoSendFlow,
Target = settings.Target,
Properties = settings.Properties
};
this.sender = new SendingAmqpLink(session, senderSettings);
var receiverSettings = new AmqpLinkSettings
{
Role = true,
LinkName = settings.LinkName + ":in",
SettleType = settings.SettleType,
Source = settings.Source,
TotalLinkCredit = settings.TotalLinkCredit,
AutoSendFlow = settings.AutoSendFlow,
Target = new Target(),
Properties = settings.Properties
};
this.receiver = new ReceivingAmqpLink(session, receiverSettings);
this.receiver.SetTotalLinkCredit(receiverSettings.TotalLinkCredit, true); // WHY set both here AND on settings? Follow up with Xin.
this.sender.SafeAddClosed(this.OnLinkClosed);
this.receiver.SafeAddClosed(this.OnLinkClosed);
}
public IotHubTokenRefresher(AmqpSession amqpSession, IotHubConnectionString connectionString, string audience)
{
if (amqpSession == null)
{
throw new ArgumentNullException("amqpSession");
}
this.amqpSession = amqpSession;
this.connectionString = connectionString;
this.audience = audience;
}
public IncomingSessionChannel(AmqpSession session)
: base(session)
{
this.incomingWindow = session.settings.IncomingWindow();
this.flowThreshold = this.incomingWindow * 2 / 3;
this.IsReceiver = true;
}
public ReceivingAmqpLink(AmqpSession session, AmqpLinkSettings settings) :
base("receiver", session, settings)
{
}
public SessionChannel(AmqpSession session)
{
this.session = session;
this.nextDeliveryId = session.settings.InitialDeliveryId;
this.syncRoot = new object();
}
/// <summary>
/// Called when a channel number is not found in a connection or a link handle is not found in a session.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="session">Null if it is for a session channel, or the session of the missing link handle.</param>
/// <param name="type">Type of the handle ("session" or "link").</param>
/// <param name="handle">The session channel or the link handle.</param>
public virtual void AmqpMissingHandle(AmqpConnection connection, AmqpSession session, string type, uint handle)
{
}
void CloseConnection(AmqpSession amqpSession)
{
// Closing the connection also closes any sessions.
amqpSession.Connection.SafeClose();
this.iotHubTokenRefresher.Cancel();
}
public OutgoingSessionChannel(AmqpSession session)
: base(session)
{
this.nextOutgoingId = session.settings.NextOutgoingId.Value;
this.outgoingWindow = session.settings.OutgoingWindow.Value;
this.IsReceiver = false;
}
public RequestResponseAmqpLink(string type, AmqpSession session, string address, Fields properties)
: this(type, null, session, address, properties)
{
}
public void AddSession(AmqpSession session, ushort? channel)
{
session.Closed += onSessionClosed;
lock (this.ThisLock)
{
session.LocalChannel = (ushort)this.sessionsByLocalHandle.Add(session);
if (channel != null)
{
this.sessionsByRemoteHandle.Add(channel.Value, session);
}
}
AmqpTrace.Provider.AmqpAddSession(this, session, session.LocalChannel, channel ?? 0);
}
/// <summary>
/// Called when a link is being added to a session.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="link">The lin.</param>
/// <param name="localHandle">Local handle of the link.</param>
/// <param name="remoteHandle">Remote handle of the link.</param>
/// <param name="linkName">Name of the link.</param>
/// <param name="role">Role of the link.</param>
/// <param name="source"><see cref="Source"/> of the link.</param>
/// <param name="target"><see cref="Target"/> of the link.</param>
public virtual void AmqpAttachLink(AmqpSession session, AmqpLink link, uint localHandle, uint remoteHandle, string linkName, string role, object source, object target)
{
}
/// <summary>
/// Called when a session is being added to a connection.
/// </summary>
/// <param name="connection">The connection.</param>
/// <param name="session">The session.</param>
/// <param name="localChannel">Local channel number of the session.</param>
/// <param name="remoteChannel">Remote channel number of the session.</param>
public virtual void AmqpAddSession(AmqpConnection connection, AmqpSession session, ushort localChannel, ushort remoteChannel)
{
}
/// <summary>
/// Called when a session window is 0 when a tranfer is sent or received.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="nextId">Next transfer id.</param>
public virtual void AmqpSessionWindowClosed(AmqpSession session, int nextId)
{
}
/// <summary>
/// Called when a link is being removed from a session.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="link">The link.</param>
/// <param name="localHandle">Local handle of the link.</param>
/// <param name="remoteHandle">Remote handle of the link.</param>
/// <param name="linkName">Name of the link.</param>
public virtual void AmqpRemoveLink(AmqpSession session, object link, uint localHandle, uint remoteHandle, string linkName)
{
}
public ErrorLink(AmqpSession session, AmqpLinkSettings settings)
: base("error-link", session, settings)
{
settings.Properties = null;
}
public SessionChannel(AmqpSession session)
{
this.session = session;
this.nextDeliveryId = session.settings.InitialDeliveryId;
this.syncRoot = new object();
if (session.settings.DispositionInterval > TimeSpan.Zero)
{
this.dispositionTimer = new Timer(s => DispositionTimerCallback(s), this, Timeout.Infinite, Timeout.Infinite);
}
}
public RequestResponseAmqpLink(string type, string name, AmqpSession session, string address)
: this(type, name, session, address, null)
{
}
public AmqpLink CreateLink(AmqpSession session, AmqpLinkSettings settings)
{
bool isReceiver = settings.Role.Value;
AmqpLink link;
if (isReceiver)
{
if (settings.Target is Target && ((Target)settings.Target).Dynamic())
{
string name = string.Format("$dynamic.{0}", Interlocked.Increment(ref this.dynamicId));
this.queues.Add(name, new TestQueue(this));
((Target)settings.Target).Address = name;
}
link = new ReceivingAmqpLink(session, settings);
}
else
{
if (((Source)settings.Source).Dynamic())
{
string name = string.Format("$dynamic.{0}", Interlocked.Increment(ref this.dynamicId));
this.queues.Add(name, new TestQueue(this));
((Source)settings.Source).Address = name;
}
link = new SendingAmqpLink(session, settings);
}
return link;
}
int references; // make sure no frames are sent after close
/// <summary>
/// Initializes the link object.
/// </summary>
/// <param name="session">The session in which the link is created.</param>
/// <param name="linkSettings">The link settings.</param>
protected AmqpLink(AmqpSession session, AmqpLinkSettings linkSettings)
: this("link", session, linkSettings)
{
}
void CloseConnection(AmqpSession amqpSession)
{
// Closing the connection also closes any sessions.
amqpSession.Connection.SafeClose();
}
int references; // make sure no frames are sent after close
protected AmqpLink(AmqpSession session, AmqpLinkSettings linkSettings)
: this("link", session, linkSettings)
{
this.inflightDeliveries = new SerializedWorker <Delivery>(this);
}
public ErrorLink(AmqpSession session, AmqpLinkSettings settings)
: base("error-link", session, settings)
{
settings.Properties = null;
}
protected override IEnumerator <AsyncStep> GetAsyncSteps()
{
string address = CbsConstants.CbsAddress;
while (this.RemainingTime() > TimeSpan.Zero)
{
try
{
AmqpSessionSettings sessionSettings = new AmqpSessionSettings()
{
Properties = new Fields()
};
this.session = new AmqpSession(this.connection, sessionSettings, this);
connection.AddSession(session, null);
}
catch (InvalidOperationException exception)
{
this.Complete(exception);
yield break;
}
yield return(this.CallAsync(
(thisPtr, t, c, s) => thisPtr.session.BeginOpen(t, c, s),
(thisPtr, r) => thisPtr.session.EndOpen(r),
ExceptionPolicy.Continue));
Exception lastException = this.LastAsyncStepException;
if (lastException != null)
{
AmqpTrace.Provider.AmqpOpenEntityFailed(this.connection, this.session, string.Empty, address, lastException.Message);
this.session.Abort();
this.Complete(lastException);
yield break;
}
AmqpLinkSettings settings = new AmqpLinkSettings();
settings.AddProperty(CbsConstants.TimeoutName, (uint)this.RemainingTime().TotalMilliseconds);
settings.Target = new Target()
{
Address = address
};
settings.Source = new Source()
{
Address = address
};
settings.InitialDeliveryCount = 0;
settings.TotalLinkCredit = 50;
settings.AutoSendFlow = true;
settings.SettleType = SettleMode.SettleOnSend;
this.Link = new RequestResponseAmqpLink(this.session, settings);
yield return(this.CallAsync(
(thisPtr, t, c, s) => thisPtr.Link.BeginOpen(t, c, s),
(thisPtr, r) => thisPtr.Link.EndOpen(r),
ExceptionPolicy.Continue));
lastException = this.LastAsyncStepException;
if (lastException != null)
{
AmqpTrace.Provider.AmqpOpenEntityFailed(this.connection, this.Link, this.Link.Name, address, lastException.Message);
this.session.SafeClose();
this.Link = null;
this.Complete(lastException);
yield break;
}
AmqpTrace.Provider.AmqpOpenEntitySucceeded(this.connection, this.Link, this.Link.Name, address);
yield break;
}
if (this.session != null)
{
this.session.SafeClose();
}
this.Complete(new TimeoutException(AmqpResources.GetString(AmqpResources.AmqpTimeout, this.OriginalTimeout, address)));
}
