internal async Task Run(int port)
{
var server = RxSocketServer.Create(port);
var limiter = new Limiter();
var accept = await server.AcceptObservable.FirstAsync();
Write("Connection accepted.");
var firstString = await accept.ReceiveObservable.ToStrings().FirstAsync();
if (firstString != "API")
{
throw new InvalidDataException("'API' not received.");
}
Write("Received 'API'.");
// Start receiving with length prefix.
var messages = await accept.ReceiveObservable.ToByteArrayOfLengthPrefix().ToStringArray().Take(2).ToList();
var versions = messages[0].Single();
if (!versions.StartsWith("v"))
{
throw new InvalidDataException("Versions not received.");
}
Write($"Received supported server versions: '{versions}'.");
if (messages[1][0] != "71") // receive StartApi message
{
throw new InvalidDataException("StartApi message not received.");
}
Write("Received StartApi message.");
new RequestMessage(accept, limiter)
.Write(75) // server version
.Write(DateTime.Now.ToString("yyyyMMdd HH:mm:ss XXX"))
.Send();
new RequestMessage(accept, limiter)
.Write("15")
.Write("1")
.Write("123,456,789")
.Send();
new RequestMessage(accept, limiter)
.Write("9")
.Write("1")
.Write("10")
.Send();
Write("Client login complete.");
////////////////////////////////////////////////////
var obs = accept.ReceiveObservable.ToByteArrayOfLengthPrefix().ToStringArray().Publish().RefCount();
// receive test start signal
await obs.FirstAsync();
var watch = new Stopwatch();
watch.Start();
var count = await obs.TakeWhile(m => m[0] == "2").Count();
watch.Stop();
var frequency = Stopwatch.Frequency * (count + 1) / watch.ElapsedTicks;
Write($"Received {frequency:N0} messages/second.");
var ms = new MemoryStream();
for (var i = 0; i < 500_000; i++)
{
new RequestMessage(ms.Write, limiter)
.Write("2", "3", 1, TickType.LastSize, 300)
.Send();
}
// message to indicate test stop
new RequestMessage(ms.Write, limiter)
.Write("1", "3", 1, TickType.LastPrice, 100, 200, true)
.Send();
Write("Sending messages...");
accept.Send(ms.ToArray(), 0, (int)ms.Position);
// wait for OnCompleted()
await obs.LastOrDefaultAsync();
Write("Disconnecting.");
await accept.DisconnectAsync();
await server.DisconnectAsync();
Write("Disconnected.");
}
