/// <summary>
/// Set manual affinity, use native function depending of the Operating system.
/// </summary>
/// <param name="threadAffinity"></param>
public static void SetManualAffinity(string threadAffinity)
{
try
{
ulong handle = Convert.ToUInt64(threadAffinity, 16);
if (Environment.OSVersion.Platform == PlatformID.Unix) // Linux/UNIX
{
sched_setaffinity(0, new IntPtr(sizeof(ulong)), ref handle);
}
else
{
Thread.BeginThreadAffinity();
int threadId = GetCurrentThreadId();
ProcessThread thread = Process.GetCurrentProcess().Threads.Cast <ProcessThread>()
.Single(t => t.Id == threadId);
thread.ProcessorAffinity = (IntPtr)handle;
SetThreadAffinityMask((IntPtr)threadId, (IntPtr)handle);
}
}
catch (Exception error)
{
ClassConsole.WriteLine(
"Cannot apply Manual Affinity with: " + threadAffinity + " | Exception: " + error.Message, 3);
}
}
/// <summary>
/// Set automatic affinity, use native function depending of the Operating system.
/// </summary>
/// <param name="threadIdMining"></param>
public static void SetAffinity(int threadIdMining)
{
try
{
if (Environment.OSVersion.Platform == PlatformID.Unix) // Linux/UNIX
{
if (Environment.ProcessorCount > threadIdMining && threadIdMining >= 0)
{
ulong processorMask = 1UL << threadIdMining;
sched_setaffinity(0, new IntPtr(sizeof(ulong)), ref processorMask);
}
}
else
{
if (Environment.ProcessorCount > threadIdMining && threadIdMining >= 0)
{
Thread.BeginThreadAffinity();
int threadId = GetCurrentThreadId();
ProcessThread thread = Process.GetCurrentProcess().Threads.Cast <ProcessThread>()
.Single(t => t.Id == threadId);
ulong cpuMask = 1UL << threadIdMining;
thread.ProcessorAffinity = (IntPtr)cpuMask;
SetThreadAffinityMask((IntPtr)threadIdMining, (IntPtr)cpuMask);
}
}
}
catch (Exception error)
{
ClassConsole.WriteLine(
"Cannot apply Automatic Affinity with thread id: " + threadIdMining + " | Exception: " + error.Message, 3);
}
}
public static void Connect(string ip)
{
IPEndPoint serverEp = new IPEndPoint(IPAddress.Parse(ip), Config.Port);
Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
server.ReceiveTimeout = -1;
ClassConsole.WriteLine("Connecting to seed node " + (seedNodeListNo + 1) + " on address " + Config.SeedNodes[seedNodeListNo] + ":" + Config.Port, "NODE_CLI", Colors.DarkYellow, Colors.Cyan);
// Connect to the server.
try { server.Connect(serverEp); }
catch (Exception)
{
// Error connecing to server
ClassConsole.WriteLine("Could not connect to " + serverEp + "!", "NODE_CLI", Colors.Red, Colors.Cyan);
if (seedNodeListNo == Config.SeedNodes.Length - 1)
{
seedNodeListNo = 0;
}
else
{
seedNodeListNo = seedNodeListNo + 1;
}
Connect(Config.SeedNodes[seedNodeListNo]);
return;
}
// Connected
ClassConsole.WriteLine("Connected to seed node " + (seedNodeListNo + 1) + " on address " + serverEp, "NODE_CLI", Colors.Green, Colors.Cyan);
WorkWithServer(server);
}
public static void Connection()
{
try
{
listener = new TcpListener(IPAddress.Any, Config.ApiPort);
listener.Start();
ClassConsole.WriteLine("Starting API server on " + IPAddress.Any + ":" + Config.ApiPort, "API", Colors.DarkGreen, Colors.DarkMagenta);
}
catch (Exception)
{
ClassConsole.WriteLine("Could not start server, port " + Config.ApiPort + " is already used!", "API", Colors.Red, Colors.DarkMagenta);
return;
}
ClassConsole.WriteLine("API server started", "API", Colors.Green, Colors.DarkMagenta);
while (true)
{
TcpClient tcpClient = listener.AcceptTcpClient();
NetworkStream networkStream = tcpClient.GetStream();
string request = ToString(networkStream);
string[] requestLines = Regex.Split(request, "\r\n");
string getRequest = requestLines[0].Split(' ')[1];
// Send Request Header
StringBuilder responseBuilder = new StringBuilder();
responseBuilder.AppendLine(@"HTTP/1.1 200 OK");
responseBuilder.AppendLine(@"Content-Type: application/json");
responseBuilder.AppendLine(@"");
// Api Requests
if (getRequest == ApiRequests.GET_STATUS)
{
ApiStatus getStatus = new ApiStatus();
getStatus.version = Config.CoinNetworkVersion;
getStatus.result = "error";
responseBuilder.AppendLine(JsonConvert.SerializeObject(getStatus));
}
else if (getRequest == "/favicon.ico")
{
}
else
{
ApiError apiError = new ApiError();
apiError.version = Config.CoinNetworkVersion;
apiError.result = "error";
responseBuilder.AppendLine(JsonConvert.SerializeObject(apiError));
}
byte[] sendBytes = enc.GetBytes(responseBuilder.ToString());
networkStream.Write(sendBytes, 0, sendBytes.Length);
networkStream.Close();
tcpClient.Close();
}
}
static void Process(Socket client)
{
ClassConsole.SetTitle(connections);
ClassConsole.WriteLine("Node connected from address " + client.RemoteEndPoint, "NODE_SRV", Colors.DarkGreen, Colors.DarkCyan);
const int maxMessageSize = 1024;
byte[] response;
int received;
//client.Send(Encoding.ASCII.GetBytes("FromServer7"));
while (true)
{
// Receive message from the server:
response = new byte[maxMessageSize];
received = client.Receive(response);
List <byte> respBytesList = new List <byte>(response);
respBytesList.RemoveRange(received, maxMessageSize - received); // truncate zero end
if (Encoding.ASCII.GetString(respBytesList.ToArray()) == "")
{
connections = (connections - 1);
ClassConsole.SetTitle(connections);
ClassConsole.WriteLine("Node disconnected from address " + client.RemoteEndPoint, "NODE_SRV", Colors.DarkGreen, Colors.DarkCyan);
client.Close();
return;
}
else
{
ClassConsole.WriteLine("[" + client.RemoteEndPoint + "] " + Encoding.ASCII.GetString(respBytesList.ToArray()), "NODE_SRV", Colors.DarkBlue, Colors.DarkCyan);
}
}
/*while (true)
* {
*
* // Send message to the client:
* client.Send(Encoding.ASCII.GetBytes("FromServer"));
*
* // Receive message from the server:
* response = new byte[maxMessageSize];
* received = client.Receive(response);
*
* List<byte> respBytesList = new List<byte>(response);
* respBytesList.RemoveRange(received, maxMessageSize - received); // truncate zero end
* Console.WriteLine("[SRV] [" + client.RemoteEndPoint + "] Client->Server: " + Encoding.ASCII.GetString(respBytesList.ToArray()));
* }*/
}
public static void Open()
{
int backlog = -1, port = Config.Port;
Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
server.ReceiveTimeout = -1;
// Start listening.
try
{
ClassConsole.WriteLine("Starting node server on address " + IPAddress.Any + ":" + Config.Port, "NODE_SRV", Colors.DarkGreen, Colors.DarkCyan);
server.Bind(new IPEndPoint(IPAddress.Any, port));
server.Listen(backlog);
}
catch (Exception)
{
ClassConsole.WriteLine("Could not start server, port " + Config.Port + " is already used!", "NODE_SRV", Colors.Red, Colors.DarkCyan);
return;
}
ClassConsole.WriteLine("Node server started", "NODE_SRV", Colors.Green, Colors.DarkCyan);
while (true)
{
// If connection is made with client
Socket client = server.Accept();
new System.Threading.Thread(() => {
try
{
clientSockets.Add(client); connections = (connections + 1);
Process(client);
}
catch (Exception ex)
{
if (ex.Message == "An existing connection was forcibly closed by the remote host.")
{
connections = (connections - 1);
ClassConsole.SetTitle(connections);
ClassConsole.WriteLine("Node disconnected from address " + client.RemoteEndPoint, "NODE_SRV", Colors.DarkGreen, Colors.DarkCyan);
}
else
{
ClassConsole.WriteLine("Client connection processing error: " + ex.Message, "NODE_SRV", Colors.Red, Colors.DarkCyan);
}
}
}).Start();
}
}
public static void BlockchainCheckData()
{
// Check if database directory exists
if (!Directory.Exists("Blockchain"))
{
// If not, create it
Directory.CreateDirectory("Blockchain");
ClassConsole.WriteLine("Blockchain directory has been created", "BLOCKCHAIN", Colors.DarkGreen, Colors.Yellow);
}
else
{
// If it is, message and next step
ClassConsole.WriteLine("Blockchain directory exists", "BLOCKCHAIN", Colors.DarkGreen, Colors.Yellow);
if (File.Exists("Blockchain/" + Config.BlockchainBlocksDatabase))
{
ClassConsole.WriteLine("Database file '" + Config.BlockchainBlocksDatabase + "' exists", "BLOCKCHAIN", Colors.Green, Colors.Yellow);
}
else
{
using (var blocksFile = new StreamWriter("Blockchain/" + Config.BlockchainBlocksDatabase, true))
{
StringBuilder kevin = new StringBuilder();
kevin.Append("{ \"1\": \"BLOCKNO1\" }");
blocksFile.WriteLine(kevin.ToString());
}
}
if (File.Exists("Blockchain/" + Config.BlockchainTransactionsDatabase))
{
ClassConsole.WriteLine("Database file '" + Config.BlockchainTransactionsDatabase + "' exists", "BLOCKCHAIN", Colors.Green, Colors.Yellow);
}
else
{
using (var transactionsFile = new StreamWriter("Blockchain/" + Config.BlockchainTransactionsDatabase, true))
{
transactionsFile.WriteLine("The next line!");
}
}
}
}