/// <summary>
/// Sends a message that indicates this peer is about to quit. This is an RPC.
/// </summary>
/// <param name="remotePeer">The remote peer to send this request.</param>
/// <param name="shutdownBuilder">Used for the sign and force TCP flag. Set if the message should be signed.</param>
/// <param name="channelCreator">The channel creator that creates connections.</param>
/// <returns>The future response message.</returns>
public Task<Message.Message> QuitAsync(PeerAddress remotePeer, ShutdownBuilder shutdownBuilder,
ChannelCreator channelCreator)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.Quit.GetNr(),
Message.Message.MessageType.RequestFf1);
if (shutdownBuilder.IsSign)
{
message.SetPublicKeyAndSign(shutdownBuilder.KeyPair);
}
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
var requestHandler = new RequestHandler(tcsResponse, PeerBean, ConnectionBean, shutdownBuilder);
Logger.Debug("Send QUIT message {0}.", message);
if (!shutdownBuilder.IsForceTcp)
{
return requestHandler.FireAndForgetUdpAsync(channelCreator);
}
return requestHandler.SendTcpAsync(channelCreator);
}
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);
}
}
private TaskCompletionSource<Message.Message> Send(Message.Message message, IConnectionConfiguration configuration,
ChannelCreator channelCreator)
{
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
tcsResponse.Task.ContinueWith(taskResponse =>
{
if (!taskResponse.IsFaulted)
{
var response = taskResponse.Result;
if (response != null)
{
var neighborSet = response.NeighborsSet(0);
if (neighborSet != null)
{
foreach (var neighbor in neighborSet.Neighbors)
{
lock (PeerBean.PeerStatusListeners)
{
foreach (var listener in PeerBean.PeerStatusListeners)
{
listener.PeerFound(neighbor, response.Sender, null);
}
}
}
}
}
}
});
var requestHandler = new RequestHandler(tcsResponse, PeerBean, ConnectionBean, configuration);
if (!configuration.IsForceTcp)
{
requestHandler.SendUdpAsync(channelCreator);
}
else
{
requestHandler.SendTcpAsync(channelCreator);
}
// .NET-specific: Return TCS instead of Task. It's actually the same TCS that is provided with
// the RequestHandler c'tor
return tcsResponse;
}
