/// <summary>
/// Queries <see cref="AppProtocolVersion"/> of given <see cref="BoundPeer"/>.
/// </summary>
/// <param name="peer">The <see cref="BoundPeer"/> to query
/// <see cref="AppProtocolVersion"/>.</param>
/// <param name="timeout">Timeout value for request.</param>
/// <returns><see cref="AppProtocolVersion"/> of given peer. </returns>
public static AppProtocolVersion QueryAppProtocolVersion(
this BoundPeer peer,
TimeSpan?timeout = null
)
{
using var dealerSocket = new DealerSocket(ToNetMQAddress(peer));
var key = new PrivateKey();
var ping = new Ping();
var netMQMessageCodec = new NetMQMessageCodec();
NetMQMessage request = netMQMessageCodec.Encode(
ping,
key,
new Peer(key.PublicKey),
DateTimeOffset.UtcNow,
default
);
TimeSpan timeoutNotNull = timeout ?? TimeSpan.FromSeconds(5);
if (dealerSocket.TrySendMultipartMessage(timeoutNotNull, request))
{
var response = new NetMQMessage();
if (dealerSocket.TryReceiveMultipartMessage(timeoutNotNull, ref response))
{
return(AppProtocolVersion.FromToken(response.First.ConvertToString()));
}
}
throw new TimeoutException(
$"Peer[{peer}] didn't respond within the specified time[{timeout}]."
);
}
public Tuple <string, string> Recognize(byte[] phrase)
{
var request = new NetMQMessage();
request.Append(phrase);
client.SendMultipartMessage(request);
var response = new NetMQMessage();
var msgReceived = client.TryReceiveMultipartMessage(TimeSpan.FromSeconds(5), ref response);
return(msgReceived ? ParseResponse(response) : new Tuple <string, string>("NoText", "Не удалось подключиться к серверу :("));
}
private void PendingMessage(object sender, NetMQSocketEventArgs e)
{
NetMQMessage responseMessage = null;
if (!socket.TryReceiveMultipartMessage(ref responseMessage, 4))
{
return;
}
Task.Run(() =>
{
if (!messageFactory.IsValidResponseMessage(responseMessage))
{
return;
}
var(requestId, response) = messageFactory.ExtractResponse(responseMessage);
taskManager.CompleteTask(requestId, response);
});
}