ClassDeviceNet.cs
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using HslCommunication.Core;
using HslCommunication.Core.Net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
namespace HslCommunication.Enthernet
{
/// <summary>
/// 通用设备的基础网络信息
/// </summary>
public class DeviceNet : NetworkServerBase
{
#region Constructor
/// <summary>
/// 实例化一个通用的设备类
/// </summary>
public DeviceNet()
{
list = new List<DeviceState>();
lock_list = new SimpleHybirdLock();
}
#endregion
#region Connection Management
private List<DeviceState> list; // 所有客户端的连接对象
private SimpleHybirdLock lock_list; // 列表锁
private void AddClient(DeviceState device)
{
lock_list.Enter();
list.Add(device);
lock_list.Leave();
ClientOnline?.Invoke(device);
}
private void RemoveClient(DeviceState device)
{
lock_list.Enter();
list.Remove(device);
device.WorkSocket?.Close();
lock_list.Leave();
ClientOffline?.Invoke(device);
}
#endregion
#region Event Handle
/// <summary>
/// 当客户端上线的时候，触发此事件
/// </summary>
public event Action<DeviceState> ClientOnline;
/// <summary>
/// 当客户端下线的时候，触发此事件
/// </summary>
public event Action<DeviceState> ClientOffline;
/// <summary>
/// 按照ASCII文本的方式进行触发接收的数据
/// </summary>
public event Action<DeviceState, string> AcceptString;
/// <summary>
/// 按照字节的方式进行触发接收的数据
/// </summary>
public event Action<DeviceState, byte[]> AcceptBytes;
#endregion
#region Private Member
private readonly byte endByte = 0x0D; // 结束的指令
#endregion
/// <summary>
/// 当接收到了新的请求的时候执行的操作
/// </summary>
/// <param name="socket">异步对象</param>
/// <param name="endPoint">终结点</param>
protected override void ThreadPoolLogin(Socket socket, IPEndPoint endPoint)
{
// 登录成功
DeviceState stateone = new DeviceState()
{
WorkSocket = socket,
DeviceEndPoint = (IPEndPoint)socket.RemoteEndPoint,
IpAddress = ((IPEndPoint)socket.RemoteEndPoint).Address.ToString(),
ConnectTime = DateTime.Now,
};
AddClient(stateone);
try
{
stateone.WorkSocket.BeginReceive(stateone.Buffer, 0, stateone.Buffer.Length, SocketFlags.None,
new AsyncCallback(ContentReceiveCallBack), stateone);
}
catch (Exception ex)
{
//登录前已经出错
RemoveClient(stateone);
LogNet?.WriteException(ToString(), StringResources.Language.NetClientLoginFailed, ex);
}
}
private void ContentReceiveCallBack(IAsyncResult ar)
{
if (ar.AsyncState is DeviceState stateone)
{
try
{
int count = stateone.WorkSocket.EndReceive(ar);
if (count > 0)
{
MemoryStream ms = new MemoryStream();
byte next = stateone.Buffer[0];
while (next != endByte)
{
ms.WriteByte(next);
byte[] buffer = new byte[1];
stateone.WorkSocket.Receive(buffer, 0, 1, SocketFlags.None);
next = buffer[0];
}
// 接收完成
stateone.WorkSocket.BeginReceive(stateone.Buffer, 0, stateone.Buffer.Length, SocketFlags.None,
new AsyncCallback(ContentReceiveCallBack), stateone);
byte[] receive = ms.ToArray();
ms.Dispose();
lock_list.Enter();
stateone.ReceiveTime = DateTime.Now;
lock_list.Leave();
AcceptBytes?.Invoke(stateone, receive);
AcceptString?.Invoke(stateone, Encoding.ASCII.GetString(receive));
}
else
{
RemoveClient(stateone);
LogNet?.WriteInfo(ToString(), StringResources.Language.NetClientOffline);
}
}
catch (Exception ex)
{
//登录前已经出错
RemoveClient(stateone);
LogNet?.WriteException(ToString(), StringResources.Language.NetClientLoginFailed, ex);
}
}
}
}
}