async Task PumpConnectionAsync(ServerConnectionInfo serverInfo, System.Threading.CancellationToken goodbye)
{
var addr = Dns.GetHostAddresses(serverInfo.poolurl)[0];
var endpoint = new IPEndPoint(addr, serverInfo.poolport);
using var socket = new Socket(endpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
callbacks.Connecting();
await socket.ConnectAsync(endpoint, goodbye);
// Since I initiate the stratum communication, I can take it easy there.
// Nothing will come before I send anything.
using var pumper = new SocketPipelinesLineChannel(socket);
using var continuator = new Stratum.StratumContinuator(pumper.WriteAsync);
var notificator = new Stratum.NotificationSystem();
notificator.NewJobReceived += (_, ev) => callbacks.StartNewJob(ev.newJob);
notificator.DifficultyReceived += (_, ev) => callbacks.SetDifficulty(ev.difficulty);
pumper.GottaLine += (src, ev) =>
{
var stuff = Newtonsoft.Json.JsonConvert.DeserializeObject <JsonRpc.Message>(ev.payload);
if (stuff.id.HasValue)
{
continuator.MangleReply(stuff.id.Value, stuff.rawRes, stuff.rawErr);
}
else if (stuff.method != null)
{
if (false == notificator.Mangle(stuff.method, stuff.evargs))
{
// TODO: log this
}
}
else
{
// Just drop it. Should I be logging? Giving up? Closing?
}
};
callbacks.Subscribing();
var subscribed = await continuator.SubscribeAsync(serverInfo.presentingAs);
traffic = true;
callbacks.Subscribed(subscribed);
var authorized = await continuator.AuthorizeAsync(serverInfo.userName, serverInfo.workerName, serverInfo.sillyPassword);
callbacks.Authorized(authorized);
var signature = $"{serverInfo.userName}.{serverInfo.workerName}";
while (!goodbye.IsCancellationRequested)
{
if (pending.TryTake(out var share, TimeSpan.FromMilliseconds(20)))
{
SubmitDetached(signature, share, continuator);
}
}
}
/// <summary>
/// Sends a nonce to the server. The sending itself is awaited to complete.
/// I don't wait for server response, but I set up everything required to track the result.
/// </summary>
static private void SubmitDetached(string userName, CandidateNonce share, Stratum.StratumContinuator continuator)
{
Task.Run(async() =>
{
try
{
var accepted = await continuator.SubmitAsync(userName, share.JobId, share.NetworkTime, share.Nonce2, share.Nonce);
if (accepted)
{
Console.WriteLine($"OK ACCEPTED {share.Nonce:x8}");
}
else
{
Console.WriteLine($"OK REJECTED {share.Nonce:x8}");
}
}
catch (Exception ex)
{
// For the time being, suppress everything, the Task must not fail!
Console.WriteLine(ex.Message);
}
});
}
