public static void CheckPoolConnection(PoolConnection connection)
{
if ((DateTime.Now - connection.LastInteraction).TotalMinutes < 10)
{
return;
}
CConsole.ColorWarning(() => Console.WriteLine("Initiating reconnect! {0}:{1}", connection.Url, connection.Login));
try {
var networkStream = connection.TcpClient.GetStream();
networkStream.EndRead(null);
} catch { }
try { connection.TcpClient.Close(); } catch { }
try { connection.TcpClient.Client.Close(); } catch { }
connection.ReceiveBuffer = null;
connection.LastInteraction = DateTime.Now;
connection.PoolId = "";
connection.LastJob = null;
connection.TcpClient = new TcpClient();
Fleck.SocketExtensions.SetKeepAlive(connection.TcpClient.Client, 60000, 1000);
connection.TcpClient.Client.ReceiveBufferSize = 4096 * 2;
try { connection.TcpClient.BeginConnect(connection.Url, connection.Port, new AsyncCallback(ConnectCallback), connection); } catch { }
}
public static void Close(Client client)
{
PoolConnection connection = client.PoolConnection;
connection.WebClients.TryRemove(client);
if (connection.WebClients.Count == 0)
{
connection.Closed = true;
try
{
var networkStream = connection.TcpClient.GetStream();
networkStream.EndRead(null);
}
catch { }
try { connection.TcpClient.Close(); } catch { }
try { connection.TcpClient.Client.Close(); } catch { }
try { connection.ReceiveBuffer = null; } catch { }
Connections.TryRemove(connection.Credentials);
Console.WriteLine("{0}: closed a pool connection.", client.WebSocket.ConnectionInfo.Id);
}
}
public static PoolConnection CreatePoolConnection(Client client, string url, int port, string login, string password)
{
string credential = url + port.ToString() + login + password;
PoolConnection mygang;
if (!Connections.TryGetValue(credential, out mygang))
{
Console.WriteLine("{0}: established new pool connection. {1} {2} {3}", client.WebSocket.ConnectionInfo.Id, url, login, password);
mygang = new PoolConnection();
mygang.Credentials = credential;
mygang.LastSender = client;
mygang.Client = new TcpClient();
mygang.Client.Client.SetKeepAlive(60000, 1000);
mygang.Client.Client.ReceiveBufferSize = 4096 * 2;
mygang.Login = login;
mygang.Password = password;
mygang.Port = port;
mygang.Url = url;
mygang.WebClients.TryAdd(client, byte.MaxValue);
Connections.TryAdd(credential, mygang);
try{ mygang.Client.Client.BeginConnect(url, port, new AsyncCallback(ConnectCallback), mygang); }
catch {}
}
else
{
Console.WriteLine("{0}: reusing pool connection.", client.WebSocket.ConnectionInfo.Id);
mygang.WebClients.TryAdd(client, byte.MaxValue);
if (mygang.LastJob != null)
{
ReceiveJob(client, mygang.LastJob, mygang.LastSolved);
}
else
{
Console.WriteLine("{0} no job yet.", client.WebSocket.ConnectionInfo.Id);
}
}
client.TcpClient = mygang;
return(mygang);
}
private static void ConnectCallback(IAsyncResult result)
{
PoolConnection mypc = result.AsyncState as PoolConnection;
TcpClient client = mypc.TcpClient;
if (!mypc.Closed && client.Connected)
{
try
{
NetworkStream networkStream = client.GetStream();
mypc.ReceiveBuffer = new byte[client.ReceiveBufferSize];
networkStream.BeginRead(mypc.ReceiveBuffer, 0, mypc.ReceiveBuffer.Length, new AsyncCallback(ReceiveCallback), mypc);
// keep things stupid and simple
// https://github.com/xmrig/xmrig-proxy/blob/dev/doc/STRATUM_EXT.md#mining-algorithm-negotiation
string msg0 = "{\"method\":\"login\",\"params\":{\"login\":\"";
string msg1 = "\",\"pass\":\"";
string msg2 = "\",\"agent\":\"webminerpool.com\"";
string msg3 = ",\"algo\": [\"cn/0\",\"cn/1\",\"cn/2\",\"cn/3\",\"cn/r\",\"cn-lite/0\",\"cn-lite/1\",\"cn-lite/2\",\"cn-pico/trtl\",\"cn/rwz\",\"cn/half\"]";
string msg4 = ",\"algo-perf\": {\"cn/0\":100,\"cn/1\":96,\"cn/2\":84,\"cn/3\":84,\"cn/r\":37,\"cn-lite/0\":200,\"cn-lite/1\":200,\"cn-lite/2\":166,\"cn/rwz\":100,\"cn-pico/trtl\":630,\"cn/half\":120}}";
string msg5 = ",\"id\":1}";
string msg = msg0 + mypc.Login + msg1 + mypc.Password + msg2 + msg3 + msg4 + msg5 + "\n";
mypc.Send(mypc.LastSender, msg);
}
catch { return; }
}
else
{
// slow that down a bit
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, "can not connect to pool.");
}
});
}
}
private static void ConnectCallback(IAsyncResult result)
{
PoolConnection mygang = result.AsyncState as PoolConnection;
TcpClient client = mygang.Client;
if (!mygang.Closed && client.Connected)
{
try {
NetworkStream networkStream = client.GetStream();
mygang.ReceiveBuffer = new byte[client.ReceiveBufferSize];
networkStream.BeginRead(mygang.ReceiveBuffer, 0, mygang.ReceiveBuffer.Length, new AsyncCallback(ReceiveCallback), mygang);
/* keep things stupid and simple */
string msg0 = "{\"method\":\"login\",\"params\":{\"login\":\"";
string msg1 = "\",\"pass\":\"";
string msg2 = "\",\"agent\":\"webminerpool.com\"},\"id\":1}";
string msg = msg0 + mygang.Login + msg1 + mygang.Password + msg2 + "\n";
mygang.Send(mygang.LastSender, msg);
}
catch { return; }
}
else
{
// slow that down a bit
var t = Task.Run(async delegate {
await Task.Delay(TimeSpan.FromSeconds(4));
List <Client> cllist = new List <Client> (mygang.WebClients.Keys);
foreach (Client ev in cllist)
{
Disconnect(ev, "can not connect to pool.");
}
});
}
}
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 (!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 = ASCIIEncoding.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;
}
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;
}
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."));
}
}
}
