public void ProposeDrain(LocalMailbox mailbox)
{
if (this.scheduler.ProposeDrain(mailbox))
{
mailbox.Drain();
}
}
public PostOfficeChannel(StageOutput <S, T> sendBundle, StageInput <S, T> recvBundle, Action <S[], int[], int> routingHashcodeFunction, NetworkChannel networkChannel, int channelId, Channel.Flags flags)
{
if ((flags & Channel.Flags.SpillOnRecv) == Channel.Flags.SpillOnRecv)
{
throw new Exception("SpillingLocalMailbox not currently supported");
}
this.sendBundle = sendBundle;
this.recvBundle = recvBundle;
this.channelID = channelId;
var computation = sendBundle.ForStage.InternalComputation;
// populate mailboxes; [proxy] destinations for sent messages.
this.mailboxes = new Mailbox <S, T> [recvBundle.ForStage.Placement.Count];
foreach (VertexLocation loc in recvBundle.ForStage.Placement)
{
if (loc.ProcessId == computation.Controller.Configuration.ProcessID)
{
var postOffice = this.recvBundle.GetPin(loc.VertexId).Vertex.Scheduler.State(computation).PostOffice;
var progressBuffer = new Runtime.Progress.ProgressUpdateBuffer <T>(this.ChannelId, this.recvBundle.GetPin(loc.VertexId).Vertex.Scheduler.State(computation).Producer);
LocalMailbox <S, T> localMailbox = new LocalMailbox <S, T>(postOffice, this.recvBundle.GetPin(loc.VertexId), channelID, loc.VertexId, progressBuffer);
this.mailboxes[loc.VertexId] = localMailbox;
postOffice.RegisterMailbox(localMailbox);
if (networkChannel != null)
{
networkChannel.RegisterMailbox(localMailbox);
}
}
else
{
this.mailboxes[loc.VertexId] = new RemoteMailbox <S, T>(this.channelID, loc.ProcessId, loc.VertexId, sendBundle.ForStage.InternalComputation);
}
}
// populate postboxes; collection points for each local worker.
this.postboxes = new Dictionary <int, Postbox <S, T> >();
foreach (VertexLocation location in sendBundle.ForStage.Placement)
{
if (location.ProcessId == sendBundle.ForStage.InternalComputation.Controller.Configuration.ProcessID)
{
var progressBuffer = new Runtime.Progress.ProgressUpdateBuffer <T>(this.ChannelId, this.sendBundle.GetFiber(location.VertexId).Vertex.Scheduler.State(computation).Producer);
// determine type of postbox to use.
if (routingHashcodeFunction == null)
{
this.postboxes[location.VertexId] = new NoHashCodePostbox <S, T>(this.channelID, this.sendBundle.GetFiber(location.VertexId), this.recvBundle, this.mailboxes, networkChannel, progressBuffer);
}
else
{
this.postboxes[location.VertexId] = new BufferingPostbox <S, T>(this.channelID, this.sendBundle.GetFiber(location.VertexId), this.recvBundle, this.mailboxes, routingHashcodeFunction, networkChannel, progressBuffer);
}
}
}
}
public void RegisterMailbox(LocalMailbox mailbox)
{
this.mailboxes.Add(mailbox);
}
