/// <summary>
/// 链接服务器回调
/// </summary>
/// <param name="async"></param>
public void SocketCallback(IAsyncResult async)
{
//强转对象
Socket socket = (Socket)async.AsyncState;
try
{
//获取Socket套接字信息
socket.EndConnect(async);
if (SocketHeartbeat(socket))
{
socket.BeginReceive(reception, 0, reception.Length, SocketFlags.None, new AsyncCallback(SocketReceive), socket);//异步接收数据
Sockets.Add(socket);
ComboBox.BeginInvoke((EventHandler) delegate
{
ComboBox.Items.Add(IPEnd.Address + " " + IPEnd.Port.ToString());
ComboBox.SelectedIndex = ComboBox.Items.Count - 1;
});
RichTextcontrol($"成功链接服务器IP：{socket.RemoteEndPoint}\r\n");
}
}
catch (Exception e)
{
RichTextcontrol($"链接服务器：ip {IPEnd.Address} {IPEnd.Port} 失败!! 原因是：{e.Message}\r\n ");
}
}
/// <summary>
/// 创建Udp对象
/// </summary>
public void Socket_Udp()
{
UdpClientLoad = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
UdpClientLoad.Bind(IPEnd);
ComboBox.BeginInvoke((EventHandler) delegate
{
ComboBox.Items.Add(IPEnd.Address + IPEnd.Port.ToString());
ComboBox.SelectedIndex = ComboBox.Items.Count - 1;
});
EndPoint endPoint = IPEnd;
UdpClientLoad.BeginReceiveFrom(reception, 0, reception.Length, SocketFlags.None, ref endPoint, SocketReceive, UdpClientLoad);
}
/// <summary>
/// 回调获取Socket客户端对象
/// </summary>
/// <param name="async"></param>
private void Socketcall_back(IAsyncResult async)
{
//强制对象
Socket socket = (Socket)async.AsyncState;
try
{
if (socketload == null)
{
return;
}
//获取Socket客户端对象
Socket Socketclient = socket.EndAccept(async);
if (SocketHeartbeat(Socketclient))
{
Socketclient.BeginReceive(reception, 0, reception.Length, SocketFlags.None, new AsyncCallback(SocketRend), Socketclient);//异步接收数据
Sockets.Add(Socketclient);
ComboBox.BeginInvoke((EventHandler) delegate
{
ComboBox.Items.Add(Socketclient.RemoteEndPoint);
ComboBox.SelectedIndex = ComboBox.Items.Count - 1;
});
RichTextcontrol($"有客户端接入：{Socketclient.RemoteEndPoint}\r\n");
}
}
catch
{
if (socketload == null)
{
return;
}
}
finally
{
//继续回调监听客户端
socket.BeginAccept(new AsyncCallback(Socketcall_back), socket);
}
}