private void sendKeepAlive(object state)
{
if (socket != null)
{
Debug.WriteLine("keepAlive");
byte[] message = WebSocketMessage.CreateBuilder()
.SetType(WebSocketMessage.Types.Type.REQUEST)
.SetRequest(WebSocketRequestMessage.CreateBuilder()
.SetId(KeyHelper.getTime())
.SetPath("/v1/keepalive")
.SetVerb("GET")
.Build()).Build()
.ToByteArray();
messageWriter.WriteBytes(message);
messageWriter.StoreAsync();
}
}
/*public WebSocketRequestMessage readRequest(ulong timeoutMillis)
* {
* if (client == null)
* {
* throw new Exception("Connection closed!");
* }
*
* ulong startTime = KeyHelper.getTime();
*
* while (client != null && incomingRequests.Count == 0 && elapsedTime(startTime) < timeoutMillis)
* {
* //Util.wait(this, Math.Max(1, timeoutMillis - elapsedTime(startTime)));
* }
*
* if (incomingRequests.Count == 0 && client == null) throw new Exception("Connection closed!");
* else if (incomingRequests.Count == 0) throw new TimeoutException("Timeout exceeded");
* else
* {
* WebSocketRequestMessage message = incomingRequests.First();
* incomingRequests.RemoveFirst();
* return message;
* }
* }*/
public async Task <Tuple <int, string> > sendRequest(WebSocketRequestMessage request)
{
if (socket == null || !connected)
{
throw new IOException("No connection!");
}
WebSocketMessage message = WebSocketMessage.CreateBuilder()
.SetType(WebSocketMessage.Types.Type.REQUEST)
.SetRequest(request)
.Build();
Tuple <int, string> empty = new Tuple <int, string>(0, string.Empty);
outgoingRequests.Add((long)request.Id, empty);
messageWriter.WriteBytes(message.ToByteArray());
await messageWriter.StoreAsync();
return(empty);
}
public async Task <Tuple <uint, string> > SendRequest(WebSocketRequestMessage request)
{
Tuple <CountdownEvent, uint, string> t = new Tuple <CountdownEvent, uint, string>(new CountdownEvent(1), 0, null);
WebSocketMessage message = new WebSocketMessage
{
Type = WebSocketMessage.Types.Type.Request,
Request = request
};
OutgoingRequests.AddOrUpdate(request.Id, t, (k, v) => t);
WebSocket.OutgoingQueue.Add(message.ToByteArray());
return(await Task.Run(() =>
{
if (t.Item1.Wait(10 * 1000, Token))
{
var handledTuple = OutgoingRequests[request.Id];
return new Tuple <uint, string>(handledTuple.Item2, handledTuple.Item3);
}
throw new IOException("wait for confirmation timeout");
}));
}