private Task <PeerAddress> PingBroadcast(int port)
{
var tcsPing = new TaskCompletionSource <PeerAddress>();
var bindings = _peer.ConnectionBean.Sender.ChannelClientConfiguration.BindingsOutgoing;
int size = bindings.BroadcastAddresses.Count;
var taskLateJoin = new TcsLateJoin <Task <Message.Message> >(size, 1);
if (size > 0)
{
var taskChannelCreator = _peer.ConnectionBean.Reservation.CreateAsync(size, 0);
Utils.Utils.AddReleaseListener(taskChannelCreator, tcsPing.Task);
taskChannelCreator.ContinueWith(taskCc =>
{
if (!taskCc.IsFaulted)
{
AddPingListener(tcsPing, taskLateJoin);
for (int i = 0; i < size; i++)
{
var broadcastAddress = bindings.BroadcastAddresses[i];
var peerAddress = new PeerAddress(Number160.Zero, broadcastAddress, port, port);
var taskValidBroadcastResponse = _peer.PingRpc.PingBroadcastUdpAsync(peerAddress, taskCc.Result,
_connectionConfiguration);
if (!taskLateJoin.Add(taskValidBroadcastResponse))
{
break;
}
}
}
else
{
tcsPing.SetException(taskCc.TryGetException());
}
});
}
else
{
tcsPing.SetException(new TaskFailedException("No broadcast address found. Cannot ping nothing."));
}
return(tcsPing.Task);
}
private static void AddPingListener(TaskCompletionSource <PeerAddress> tcsPing, TcsLateJoin <Task <Message.Message> > tcsLateJoin)
{
// TODO works?
// we have one successful reply
tcsLateJoin.Task.ContinueWith(tlj =>
{
if (!tlj.IsFaulted && tcsLateJoin.TasksDone().Count > 0)
{
var taskResponse = tcsLateJoin.TasksDone()[0];
tcsPing.SetResult(taskResponse.Result.Sender);
}
else
{
tcsPing.SetException(tlj.TryGetException());
}
});
}
private static void AddPingListener(TaskCompletionSource<PeerAddress> tcsPing, TcsLateJoin<Task<Message.Message>> tcsLateJoin)
{
// TODO works?
// we have one successful reply
tcsLateJoin.Task.ContinueWith(tlj =>
{
if (!tlj.IsFaulted && tcsLateJoin.TasksDone().Count > 0)
{
var taskResponse = tcsLateJoin.TasksDone()[0];
tcsPing.SetResult(taskResponse.Result.Sender);
}
else
{
tcsPing.SetException(tlj.TryGetException());
}
});
}
private Task<PeerAddress> PingBroadcast(int port)
{
var tcsPing = new TaskCompletionSource<PeerAddress>();
var bindings = _peer.ConnectionBean.Sender.ChannelClientConfiguration.BindingsOutgoing;
int size = bindings.BroadcastAddresses.Count;
var taskLateJoin = new TcsLateJoin<Task<Message.Message>>(size, 1);
if (size > 0)
{
var taskChannelCreator = _peer.ConnectionBean.Reservation.CreateAsync(size, 0);
Utils.Utils.AddReleaseListener(taskChannelCreator, tcsPing.Task);
taskChannelCreator.ContinueWith(taskCc =>
{
if (!taskCc.IsFaulted)
{
AddPingListener(tcsPing, taskLateJoin);
for (int i = 0; i < size; i++)
{
var broadcastAddress = bindings.BroadcastAddresses[i];
var peerAddress = new PeerAddress(Number160.Zero, broadcastAddress, port, port);
var taskValidBroadcastResponse = _peer.PingRpc.PingBroadcastUdpAsync(peerAddress, taskCc.Result,
_connectionConfiguration);
if (!taskLateJoin.Add(taskValidBroadcastResponse))
{
break;
}
}
}
else
{
tcsPing.SetException(taskCc.TryGetException());
}
});
}
else
{
tcsPing.SetException(new TaskFailedException("No broadcast address found. Cannot ping nothing."));
}
return tcsPing.Task;
}
