120 lines
3.9 KiB
C#
120 lines
3.9 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Net.Sockets;
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using System.Net;
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using CYQ.Data.Tool;
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namespace CYQ.Data.Cache
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{
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internal static class SocketCreate
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{
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//static Dictionary<string, Queue<Socket>> SocketQueue = new Dictionary<string, Queue<Socket>>();
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//public static Socket Get(string host)
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//{
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// if (SocketQueue.ContainsKey(host) && SocketQueue[host].Count > 0)
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// {
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// return SocketQueue[host].Dequeue();
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// }
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// return New(host);
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//}
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public static Socket New(string host)
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{
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IPEndPoint endPoint = GetEndPoint(host);
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//Set up the socket.
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Socket socket = new Socket(endPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
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socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.NoDelay, true);
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socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 5000);
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socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 5000);
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//socket.ReceiveTimeout = sendReceiveTimeout;
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//socket.SendTimeout = sendReceiveTimeout;
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//socket.SendBufferSize = 1024 * 1024;
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//Do not use Nagle's Algorithm
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//socket.NoDelay = true;
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//Establish connection asynchronously to enable connect timeout.
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IAsyncResult result = socket.BeginConnect(endPoint, null, null);
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bool success = result.AsyncWaitHandle.WaitOne(3000, false);
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if (!success)
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{
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try { socket.Close(); }
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catch { }
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throw new SocketException();
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}
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socket.EndConnect(result);
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return socket;
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}
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//private static void OnEndConnect(IAsyncResult iar)
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//{
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// Socket socket = (Socket)iar.AsyncState;
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// socket.EndConnect(iar);
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//}
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private static IPEndPoint GetEndPoint(string host)
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{
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//Parse port, default to 11211.
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int port = 11211;
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if (host.Contains(":"))
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{
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string[] split = host.Split(new char[] { ':' });
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if (!Int32.TryParse(split[1], out port))
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{
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throw new ArgumentException("Unable to parse host: " + host);
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}
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host = split[0];
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}
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//Parse host string.
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IPAddress address;
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if (!IPAddress.TryParse(host, out address))
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{
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//See if we can resolve it as a hostname
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try
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{
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address = Dns.GetHostEntry(host).AddressList[0];
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}
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catch (Exception e)
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{
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throw new ArgumentException("Unable to resolve host: " + host, e);
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}
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}
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return new IPEndPoint(address, port);
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}
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///// <summary>
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///// <20><>ǰ<C7B0><D7BC>Socket
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///// </summary>
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//public static void ReadyForSocket(object list)
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//{
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// MList<string> hostList = list as MList<string>;
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// int count =15;
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// foreach (string host in hostList.List)
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// {
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// if (!SocketQueue.ContainsKey(host))
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// {
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// SocketQueue.Add(host, new Queue<Socket>());
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// }
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// for (int i = 0; i < count; i++)
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// {
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// SocketQueue[host].Enqueue(New(host));
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// }
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// }
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//}
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//public static void ClearSocketPool()
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//{
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// foreach (KeyValuePair<string,Queue<Socket>> item in SocketQueue)
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// {
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// while (SocketQueue[item.Key].Count > 0)
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// {
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// SocketQueue[item.Key].Dequeue().Close();
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// }
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// }
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//}
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}
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}
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