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using System;
using System.Net;
using System.Net.Sockets;
public class ZConnector2 : IDisposable
{
private TcpClient m_socket;
private IAsyncResult m_result;
private IPEndPoint m_endPoint;
private string m_host;
private int m_port;
private bool m_dnsError;
private bool m_abort;
private float m_timer;
private static float m_timeout = 5f;
public ZConnector2(string host, int port)
{
m_host = host;
m_port = port;
Dns.BeginGetHostEntry(host, OnHostLookupDone, null);
}
public void Dispose()
{
Close();
}
private void Close()
{
if (m_socket != null)
{
m_socket.Close();
m_socket = null;
}
m_abort = true;
}
public bool IsPeer(string host, int port)
{
if (m_host == host && m_port == port)
{
return true;
}
return false;
}
public bool UpdateStatus(float dt, bool logErrors = false)
{
if (m_abort)
{
ZLog.Log("ZConnector - Abort");
return true;
}
if (m_dnsError)
{
ZLog.Log("ZConnector - dns error");
return true;
}
if (m_result != null && m_result.IsCompleted)
{
return true;
}
m_timer += dt;
if (m_timer > m_timeout)
{
Close();
return true;
}
return false;
}
public ZSocket2 Complete()
{
if (m_socket != null && m_socket.Connected)
{
ZSocket2 result = new ZSocket2(m_socket, m_host);
m_socket = null;
return result;
}
Close();
return null;
}
public bool CompareEndPoint(IPEndPoint endpoint)
{
return m_endPoint.Equals(endpoint);
}
private void OnHostLookupDone(IAsyncResult res)
{
IPHostEntry iPHostEntry = Dns.EndGetHostEntry(res);
if (m_abort)
{
ZLog.Log("Host lookup abort");
}
else if (iPHostEntry.AddressList.Length == 0)
{
m_dnsError = true;
ZLog.Log("Host lookup adress list empty");
}
else
{
m_socket = ZSocket2.CreateSocket();
m_result = m_socket.BeginConnect(iPHostEntry.AddressList, m_port, null, null);
}
}
public string GetEndPointString()
{
return m_host + ":" + m_port;
}
public string GetHostName()
{
return m_host;
}
public int GetHostPort()
{
return m_port;
}
}
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