public Task<Message.Message> SendAsync(PeerAddress remotePeer, BroadcastBuilder broadcastBuilder,
ChannelCreator channelCreator, IConnectionConfiguration configuration)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.Broadcast.GetNr(),
Message.Message.MessageType.RequestFf1);
message.SetIntValue(broadcastBuilder.HopCounter);
message.SetKey(broadcastBuilder.MessageKey);
if (broadcastBuilder.DataMap != null)
{
message.SetDataMap(new DataMap(broadcastBuilder.DataMap));
}
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
var requestHandler = new RequestHandler(tcsResponse, PeerBean, ConnectionBean, configuration);
if (!broadcastBuilder.IsUdp)
{
return requestHandler.SendTcpAsync(channelCreator);
}
else
{
return requestHandler.FireAndForgetUdpAsync(channelCreator);
}
}
/// <summary>
/// This method is called on relaying peers. We select a random set and we send the message
/// to those random peers.
/// </summary>
/// <param name="messageKey">The key of the message.</param>
/// <param name="dataMap">The data map to send around.</param>
/// <param name="hopCounter">The number of hops.</param>
/// <param name="isUdp">Flag indicating whether the message can be sent with UDP.</param>
private void OtherPeer(Number160 messageKey, IDictionary<Number640, Data> dataMap, int hopCounter, bool isUdp)
{
Logger.Debug("Other");
var list = _peer.PeerBean.PeerMap.All;
int max = Math.Min(Nr, list.Count);
var taskCc = _peer.ConnectionBean.Reservation.CreateAsync(isUdp ? max : 0, isUdp ? 0 : max);
taskCc.ContinueWith(tcc =>
{
if (!tcc.IsFaulted)
{
var taskResponses = new Task[max];
for (int i = 0; i < max; i++)
{
var randomAddress = list.RemoveAt2(_rnd.Next(list.Count));
var broadcastBuilder = new BroadcastBuilder(_peer, messageKey);
broadcastBuilder.SetDataMap(dataMap);
broadcastBuilder.SetHopCounter(hopCounter + 1);
broadcastBuilder.SetIsUdp(isUdp);
taskResponses[i] = _peer.BroadcastRpc.SendAsync(randomAddress, broadcastBuilder, tcc.Result,
broadcastBuilder);
Logger.Debug("2nd broadcast to {0}.", randomAddress);
}
Utils.Utils.AddReleaseListener(tcc.Result, taskResponses);
}
else
{
Utils.Utils.AddReleaseListener(tcc.Result);
}
});
}
/// <summary>
/// The first peer is the initiator. The peer that wants to start the broadcast
/// will send it to all its neighbors. Since this peer has an interest in sending,
/// it should also work more than the other peers.
/// </summary>
/// <param name="messageKey">The key of the message.</param>
/// <param name="dataMap">The data map to send around.</param>
/// <param name="hopCounter">The number of hops.</param>
/// <param name="isUdp">Flag indicating whether the message can be sent with UDP.</param>
private void FirstPeer(Number160 messageKey, IDictionary<Number640, Data> dataMap, int hopCounter, bool isUdp)
{
var list = _peer.PeerBean.PeerMap.All;
foreach (var peerAddress in list)
{
var taskCc = _peer.ConnectionBean.Reservation.CreateAsync(isUdp ? 1 : 0, isUdp ? 0 : 1);
PeerAddress address = peerAddress;
taskCc.ContinueWith(tcc =>
{
if (!tcc.IsFaulted)
{
var broadcastBuilder = new BroadcastBuilder(_peer, messageKey);
broadcastBuilder.SetDataMap(dataMap);
broadcastBuilder.SetHopCounter(hopCounter + 1);
broadcastBuilder.SetIsUdp(isUdp);
var taskResponse = _peer.BroadcastRpc.SendAsync(address, broadcastBuilder, tcc.Result,
broadcastBuilder);
Logger.Debug("1st broadcast to {0}.", address);
Utils.Utils.AddReleaseListener(tcc.Result, taskResponse);
}
else
{
Utils.Utils.AddReleaseListener(tcc.Result);
}
});
}
}