internal override void OnBegin(ushort remoteChannel, Begin begin)
{
// this sends a begin to the remote peer
begin.RemoteChannel = remoteChannel;
var session = new ListenerSession(this, begin);
// this updates the local session state
begin.RemoteChannel = session.Channel;
base.OnBegin(remoteChannel, begin);
}
internal Session(Connection connection, Begin begin)
{
this.connection = connection;
this.channel = connection.AddSession(this);
this.handleMax = begin.HandleMax;
this.localLinks = new Link[1];
this.remoteLinks = new Link[1];
this.incomingList = new LinkedList();
this.outgoingList = new LinkedList();
this.nextOutgoingId = uint.MaxValue - 2u;
this.outgoingWindow = begin.IncomingWindow;
this.incomingDeliveryId = uint.MaxValue;
begin.NextOutgoingId = this.nextOutgoingId;
this.state = State.BeginSent;
this.SendBegin(begin);
}
internal override void OnBegin(ushort remoteChannel, Begin begin)
{
// this sends a begin to the remote peer
Begin local = new Begin()
{
RemoteChannel = remoteChannel,
IncomingWindow = Session.defaultWindowSize,
OutgoingWindow = begin.IncomingWindow,
NextOutgoingId = 0,
HandleMax = (uint)(this.listener.AMQP.MaxLinksPerSession - 1)
};
if (begin.HandleMax < local.HandleMax)
{
local.HandleMax = begin.HandleMax;
}
var session = new ListenerSession(this, local);
// this updates the local session state
begin.RemoteChannel = session.Channel;
base.OnBegin(remoteChannel, begin);
}
internal virtual void OnBegin(ushort remoteChannel, Begin begin)
{
lock (this.ThisLock)
{
if (remoteChannel > this.channelMax)
{
throw new AmqpException(ErrorCode.NotAllowed,
Fx.Format(SRAmqp.AmqpHandleExceeded, this.channelMax + 1));
}
Session session = this.GetSession(this.localSessions, begin.RemoteChannel);
session.OnBegin(remoteChannel, begin);
int count = this.remoteSessions.Length;
if (count - 1 < remoteChannel)
{
int size = Math.Min(count * 2, this.channelMax + 1);
Session[] expanded = new Session[size];
Array.Copy(this.remoteSessions, expanded, count);
this.remoteSessions = expanded;
}
var remoteSession = this.remoteSessions[remoteChannel];
if (remoteSession != null)
{
throw new AmqpException(ErrorCode.HandleInUse,
Fx.Format(SRAmqp.AmqpHandleInUse, remoteChannel, remoteSession.GetType().Name));
}
this.remoteSessions[remoteChannel] = session;
}
}
void SendBegin(Begin begin)
{
this.connection.SendCommand(this.channel, begin);
}
internal void OnBegin(ushort remoteChannel, Begin begin)
{
lock (this.ThisLock)
{
if (this.state == State.BeginSent)
{
this.state = State.Opened;
}
else if (this.state == State.EndPipe)
{
this.state = State.EndSent;
}
else
{
throw new AmqpException(ErrorCode.IllegalState,
Fx.Format(SRAmqp.AmqpIllegalOperationState, "OnBegin", this.state));
}
this.outgoingWindow = begin.IncomingWindow;
}
if (begin.HandleMax < this.handleMax)
{
this.handleMax = begin.HandleMax;
}
}
internal ListenerSession(ListenerConnection connection, Begin begin)
: base(connection, begin)
{
}