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Ahmed Zamil
2019-12-02 03:16:19 +03:00
parent ba1fc9c18e
commit 66fd62c449
122 changed files with 443 additions and 409 deletions
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297
Esiur/Net/NetworkConnection.cs
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@ -1,297 +0,0 @@
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using System;
using System.IO;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Net;
using System.Collections;
using System.Collections.Generic;
using Esiur.Misc;
using Esiur.Core;
using Esiur.Data;
using Esiur.Net.Sockets;
using Esiur.Resource;
namespace Esiur.Net
{
public class NetworkConnection: IDestructible// <TS>: IResource where TS : NetworkSession
{
private ISocket sock;
// private bool connected;
private DateTime lastAction;
public delegate void DataReceivedEvent(NetworkConnection sender, NetworkBuffer data);
public delegate void ConnectionClosedEvent(NetworkConnection sender);
public delegate void ConnectionEstablishedEvent(NetworkConnection sender);
public event ConnectionEstablishedEvent OnConnect;
public event DataReceivedEvent OnDataReceived;
public event ConnectionClosedEvent OnClose;
public event DestroyedEvent OnDestroy;
object receivingLock = new object();
bool processing = false;
public void Destroy()
{
// if (connected)
Close();
OnDestroy?.Invoke(this);
}
public NetworkConnection()
{
}
public ISocket Socket
{
get
{
return sock;
}
}
public virtual void Assign(ISocket socket)
{
lastAction = DateTime.Now;
sock = socket;
//connected = true;
socket.OnReceive += Socket_OnReceive;
socket.OnClose += Socket_OnClose;
socket.OnConnect += Socket_OnConnect;
//if (socket.State == SocketState.Established)
// socket.Begin();
}
private void Socket_OnConnect()
{
OnConnect?.Invoke(this);
}
private void Socket_OnClose()
{
OnClose?.Invoke(this);
}
private void Socket_OnReceive(NetworkBuffer buffer)
{
try
{
// Unassigned ?
if (sock == null)
return;
// Closed ?
if (sock.State == SocketState.Closed || sock.State == SocketState.Terminated) // || !connected)
return;
lastAction = DateTime.Now;
if (!processing)
{
processing = true;
try
{
//lock(buffer.SyncLock)
while (buffer.Available > 0 && !buffer.Protected)
DataReceived(buffer);
}
catch
{
}
processing = false;
}
}
catch (Exception ex)
{
Global.Log("NetworkConnection", LogType.Warning, ex.ToString());
}
}
public ISocket Unassign()
{
if (sock != null)
{
// connected = false;
sock.OnClose -= Socket_OnClose;
sock.OnConnect -= Socket_OnConnect;
sock.OnReceive -= Socket_OnReceive;
var rt = sock;
sock = null;
return rt;
}
else
return null;
}
protected virtual void DataReceived(NetworkBuffer data)
{
if (OnDataReceived != null)
{
try
{
OnDataReceived?.Invoke(this, data);
}
catch (Exception ex)
{
Global.Log("NetworkConenction:DataReceived", LogType.Error, ex.ToString());
}
}
}
public void Close()
{
//if (!connected)
// return;
try
{
if (sock != null)
sock.Close();
}
catch(Exception ex)
{
Global.Log("NetworkConenction:Close", LogType.Error, ex.ToString());
}
//finally
//{
//connected = false;
//}
}
public DateTime LastAction
{
get { return lastAction; }
}
public IPEndPoint RemoteEndPoint
{
get
{
if (sock != null)
return (IPEndPoint)sock.RemoteEndPoint;
else
return null;
}
}
public IPEndPoint LocalEndPoint
{
get
{
if (sock != null)
return (IPEndPoint)sock.LocalEndPoint;
else
return null;
}
}
public bool Connected
{
get
{
return sock.State == SocketState.Established;// connected;
}
}
/*
public void CloseAndWait()
{
try
{
if (!connected)
return;
if (sock != null)
sock.Close();
while (connected)
{
Thread.Sleep(100);
}
}
finally
{
}
}
*/
public virtual void Send(byte[] msg)
{
try
{
if (sock != null)
{
lastAction = DateTime.Now;
sock.Send(msg);
}
}
catch
{
}
}
public virtual void Send(byte[] msg, int offset, int length)
{
try
{
if (sock != null)
{
lastAction = DateTime.Now;
sock.Send(msg, offset, length);
}
}
catch
{
}
}
public virtual void Send(string data)
{
Send(Encoding.UTF8.GetBytes(data));
}
}
}