/// <summary>
/// Initializes the object.
/// </summary>
/// <param name="session">The session where the link is created.</param>
/// <param name="settings">The link settings.</param>
public SendingAmqpLink(AmqpSession session, AmqpLinkSettings settings)
: base("sender", session, settings)
{
// TODO: Add capability negotiation logic for BatchedMessageFormat to this.Settings
this.pendingDeliveries = new SerializedWorker <AmqpMessage>(this);
this.inflightSends = new WorkCollection <ArraySegment <byte>, SendAsyncResult, Outcome>(ByteArrayComparer.Instance);
this.lastFlowRequestTime = DateTime.UtcNow;
}
/// <summary>
/// Initializes the request response channel.
/// </summary>
/// <param name="type">A prefix of the object name for debugging purposes.</param>
/// <param name="name">The object name.</param>
/// <param name="session">The session in which the links are created.</param>
/// <param name="address">The node address.</param>
/// <param name="properties">The properties to send in attach performatives.</param>
public RequestResponseAmqpLink(string type, string name, AmqpSession session, string address, Fields properties)
: base(type)
{
this.Name = name ?? string.Format(CultureInfo.InvariantCulture, "duplex{0}:{1}:{2}", session.Connection.Identifier, session.Identifier, this.Identifier);
this.replyTo = Guid.NewGuid().ToString("N");
try
{
AmqpLinkSettings senderSettings = new AmqpLinkSettings();
senderSettings.Role = false;
senderSettings.LinkName = this.Name + ":sender";
senderSettings.SettleType = SettleMode.SettleOnSend;
senderSettings.Source = new Source();
senderSettings.Target = new Target()
{
Address = address
};
senderSettings.Properties = properties;
this.sender = new SendingAmqpLink(session, senderSettings);
this.sender.SafeAddClosed(OnLinkClosed);
AmqpLinkSettings receiverSettings = new AmqpLinkSettings();
receiverSettings.Role = true;
receiverSettings.LinkName = this.Name + ":receiver";
receiverSettings.SettleType = SettleMode.SettleOnSend;
receiverSettings.Source = new Source()
{
Address = address
};
receiverSettings.TotalLinkCredit = 50;
receiverSettings.AutoSendFlow = true;
receiverSettings.Target = new Target()
{
Address = this.replyTo
};
if (properties != null)
{
receiverSettings.Properties = new Fields();
receiverSettings.Properties.Merge(properties);
}
this.receiver = new ReceivingAmqpLink(session, receiverSettings);
this.receiver.RegisterMessageListener(this.OnResponseMessage);
this.receiver.SafeAddClosed(OnLinkClosed);
}
catch
{
this.sender?.SafeClose();
this.receiver?.SafeClose();
throw;
}
this.inflightRequests = new WorkCollection <MessageId, RequestAsyncResult, AmqpMessage>();
}
protected override bool OpenInternal()
{
this.messageQueue = new SizeBasedFlowQueue(this);
this.waiterList = new LinkedList <ReceiveAsyncResult>();
this.pendingDispositions = new WorkCollection <ArraySegment <byte>, DisposeAsyncResult, Outcome>(ByteArrayComparer.Instance);
bool syncComplete = base.OpenInternal();
if (this.LinkCredit > 0)
{
this.SendFlow(false);
}
return(syncComplete);
}
public RequestResponseAmqpLink(AmqpSession session, AmqpLinkSettings settings)
: base("requestresponseamqplink")
{
this.Name = string.Format(CultureInfo.InvariantCulture, "{0}:{1}:{2}", session.Connection.Identifier, session.Identifier, this.Identifier);
this.replyTo = Guid.NewGuid().ToString("N");
AmqpLinkSettings senderSettings = new AmqpLinkSettings();
senderSettings.Role = false;
senderSettings.LinkName = this.Name + ":sender";
senderSettings.SettleType = settings.SettleType;
senderSettings.Source = new Source()
{
Address = Guid.NewGuid().ToString("N")
};
senderSettings.Target = settings.Target;
senderSettings.Properties = settings.Properties;
this.sender = new SendingAmqpLink(session, senderSettings);
this.sender.Closed += new EventHandler(OnLinkClosed);
AmqpLinkSettings receiverSettings = new AmqpLinkSettings();
receiverSettings.Role = true;
receiverSettings.LinkName = this.Name + ":receiver";
receiverSettings.SettleType = settings.SettleType;
receiverSettings.Source = settings.Source;
receiverSettings.TotalLinkCredit = settings.TotalLinkCredit;
receiverSettings.TotalCacheSizeInBytes = settings.TotalCacheSizeInBytes;
receiverSettings.AutoSendFlow = settings.AutoSendFlow;
receiverSettings.Target = new Target()
{
Address = this.replyTo
};
receiverSettings.Properties = settings.Properties;
this.receiver = new ReceivingAmqpLink(session, receiverSettings);
this.receiver.SetTotalLinkCredit(receiverSettings.TotalLinkCredit, applyNow: true);
this.receiver.RegisterMessageListener(this.OnResponseMessage);
this.receiver.Closed += new EventHandler(OnLinkClosed);
this.inflightRequests = new WorkCollection <MessageId, RequestAsyncResult, AmqpMessage>();
}