public static PoolConnection CreatePoolConnection(Client client, string url, int port, string login, string password)
{
string credential = url + port.ToString() + login + password;
PoolConnection lpc, mypc = null;
int batchCounter = 0;
while (Connections.TryGetValue(credential + batchCounter.ToString(), out lpc))
{
if (lpc.WebClients.Count > MainClass.BatchSize)
{
batchCounter++;
}
else
{
mypc = lpc; break;
}
}
credential += batchCounter.ToString();
if (mypc == null)
{
CConsole.ColorInfo(() =>
{
Console.WriteLine("{0}: initiated new pool connection", client.WebSocket.ConnectionInfo.Id);
Console.WriteLine("{0} {1} {2}", login, password, url);
});
mypc = new PoolConnection();
mypc.Credentials = credential;
mypc.LastSender = client;
mypc.TcpClient = new TcpClient();
Fleck.SocketExtensions.SetKeepAlive(mypc.TcpClient.Client, 60000, 1000);
mypc.TcpClient.Client.ReceiveBufferSize = 4096 * 2;
mypc.Login = login;
mypc.Password = password;
mypc.Port = port;
mypc.Url = url;
mypc.WebClients.TryAdd(client);
Connections.TryAdd(credential, mypc);
try { mypc.TcpClient.Client.BeginConnect(url, port, new AsyncCallback(ConnectCallback), mypc); } catch { }
}
else
{
Console.WriteLine("{0}: reusing pool connection", client.WebSocket.ConnectionInfo.Id);
mypc.WebClients.TryAdd(client);
if (mypc.LastJob != null)
{
ReceiveJob(client, mypc.LastJob, mypc.LastSolved);
}
else
{
Console.WriteLine("{0} no job yet.", client.WebSocket.ConnectionInfo.Id);
}
}
client.PoolConnection = mypc;
return(mypc);
}
private static void ReceiveCallback(IAsyncResult result)
{
PoolConnection mypc = result.AsyncState as PoolConnection;
TcpClient client = mypc.TcpClient;
if (mypc.Closed || !client.Connected)
{
return;
}
NetworkStream networkStream;
try { networkStream = client.GetStream(); } catch { return; }
int bytesread = 0;
try { bytesread = networkStream.EndRead(result); } catch { return; }
string json = string.Empty;
try
{
if (bytesread == 0) // disconnected
{
// slow that down a bit to avoid negative feedback loop
Task.Run(async delegate
{
await Task.Delay(TimeSpan.FromSeconds(4));
List <Client> cllist = new List <Client>(mypc.WebClients.Values);
foreach (Client ev in cllist)
{
Disconnect(ev, "lost pool connection.");
}
});
return;
}
json = Encoding.ASCII.GetString(mypc.ReceiveBuffer, 0, bytesread);
networkStream.BeginRead(mypc.ReceiveBuffer, 0, mypc.ReceiveBuffer.Length, new AsyncCallback(ReceiveCallback), mypc);
}
catch { return; }
if (bytesread == 0 || string.IsNullOrEmpty(json))
{
return; //?!
}
var msg = json.FromJson <JsonData>();
if (msg == null)
{
return;
}
if (string.IsNullOrEmpty(mypc.PoolId))
{
// this "protocol" is strange
if (!msg.ContainsKey("result"))
{
string additionalInfo = "none";
// try to get the error
if (msg.ContainsKey("error"))
{
msg = msg["error"] as JsonData;
if (msg != null && msg.ContainsKey("message"))
{
additionalInfo = msg["message"].GetString();
}
}
List <Client> cllist = new List <Client>(mypc.WebClients.Values);
foreach (Client ev in cllist)
{
Disconnect(ev, "can not connect. additional information: " + additionalInfo);
}
return;
}
msg = msg["result"] as JsonData;
if (msg == null)
{
return;
}
if (!msg.ContainsKey("id"))
{
return;
}
if (!msg.ContainsKey("job"))
{
return;
}
mypc.PoolId = msg["id"].GetString();
var lastjob = msg["job"] as JsonData;
if (!VerifyJob(lastjob))
{
CConsole.ColorWarning(() =>
Console.WriteLine("Failed to verify job: {0}", json));
return;
}
// extended stratum
if (!lastjob.ContainsKey("variant"))
{
lastjob.Add("variant", mypc.DefaultVariant);
}
if (!lastjob.ContainsKey("algo"))
{
lastjob.Add("algo", mypc.DefaultAlgorithm);
}
AlgorithmHelper.NormalizeAlgorithmAndVariant(lastjob);
mypc.LastJob = lastjob;
mypc.LastInteraction = DateTime.Now;
mypc.LastSolved = new CcHashset <string>();
List <Client> cllist2 = new List <Client>(mypc.WebClients.Values);
foreach (Client ev in cllist2)
{
ReceiveJob(ev, mypc.LastJob, mypc.LastSolved);
}
}
else if (msg.ContainsKey("method") && msg["method"].GetString() == "job")
{
if (!msg.ContainsKey("params"))
{
return;
}
var lastjob = msg["params"] as JsonData;
if (!VerifyJob(lastjob))
{
CConsole.ColorWarning(() =>
Console.WriteLine("Failed to verify job: {0}", json));
return;
}
// extended stratum
if (!lastjob.ContainsKey("variant"))
{
lastjob.Add("variant", mypc.DefaultVariant);
}
if (!lastjob.ContainsKey("algo"))
{
lastjob.Add("algo", mypc.DefaultAlgorithm);
}
AlgorithmHelper.NormalizeAlgorithmAndVariant(lastjob);
mypc.LastJob = lastjob;
mypc.LastInteraction = DateTime.Now;
mypc.LastSolved = new CcHashset <string>();
List <Client> cllist2 = new List <Client>(mypc.WebClients.Values);
Console.WriteLine("Sending job to {0} client(s)!", cllist2.Count);
foreach (Client ev in cllist2)
{
ReceiveJob(ev, mypc.LastJob, mypc.LastSolved);
}
}
else
{
if (msg.ContainsKey("error"))
{
// who knows?
ReceiveError(mypc.LastSender, msg);
}
else
{
CConsole.ColorWarning(() =>
Console.WriteLine("Pool is sending nonsense."));
}
}
}