/// <summary>
/// 数据处理中心
/// </summary>
/// <param name="receive"></param>
/// <param name="protocol"></param>
/// <param name="customer"></param>
/// <param name="content"></param>
internal override void DataProcessingCenter(AsyncStateOne receive, int protocol, int customer, byte[] content)
{
if (protocol == HslProtocol.ProtocolCheckSecends)
{
BitConverter.GetBytes(DateTime.Now.Ticks).CopyTo(content, 8);
SendBytes(receive, NetSupport.CommandBytes(HslProtocol.ProtocolCheckSecends, customer, KeyToken, content));
receive.HeartTime = DateTime.Now;
}
else if (protocol == HslProtocol.ProtocolClientQuit)
{
TcpStateDownLine(receive, true);
}
else if (protocol == HslProtocol.ProtocolUserBytes)
{
//接收到字节数据
AcceptByte?.Invoke(receive, customer, content);
// LogNet?.WriteDebug(LogHeaderText, "Protocol:" + protocol + " customer:" + customer + " name:" + receive.LoginAlias);
}
else if (protocol == HslProtocol.ProtocolUserString)
{
//接收到文本数据
string str = Encoding.Unicode.GetString(content);
AcceptString?.Invoke(receive, customer, str);
// LogNet?.WriteDebug(LogHeaderText, "Protocol:" + protocol + " customer:" + customer + " name:" + receive.LoginAlias);
}
}
/// <summary>
/// 客户端的数据处理中心
/// </summary>
/// <param name="receive"></param>
/// <param name="protocol"></param>
/// <param name="customer"></param>
/// <param name="content"></param>
internal override void DataProcessingCenter(AsyncStateOne receive, int protocol, int customer, byte[] content)
{
if (protocol == HslProtocol.ProtocolCheckSecends)
{
DateTime dt = new DateTime(BitConverter.ToInt64(content, 0));
ServerTime = new DateTime(BitConverter.ToInt64(content, 8));
DelayTime = (int)(DateTime.Now - dt).TotalMilliseconds;
stateone.HeartTime = DateTime.Now;
// MessageAlerts?.Invoke("心跳时间：" + DateTime.Now.ToString());
}
else if (protocol == HslProtocol.ProtocolClientQuit)
{
// 申请了退出
}
else if (protocol == HslProtocol.ProtocolUserBytes)
{
// 接收到字节数据
AcceptByte?.Invoke(stateone, customer, content);
}
else if (protocol == HslProtocol.ProtocolUserString)
{
// 接收到文本数据
string str = Encoding.Unicode.GetString(content);
AcceptString?.Invoke(stateone, customer, str);
}
}
internal override void SocketReceiveException(AsyncStateOne receive, Exception ex)
{
if (ex.Message.Contains(StringResources.SocketRemoteCloseException))
{
//异常掉线
TcpStateDownLine(receive, false);
}
}
/// <summary>
/// 重新开始接收数据
/// </summary>
/// <exception cref="ArgumentNullException"></exception>
///
private void RefreshReceive()
{
AsyncStateOne state = new AsyncStateOne();
state.WorkSocket = WorkSocket;
state.UdpEndPoint = new IPEndPoint(IPAddress.Any, 0);
state.BytesContent = new byte[ReceiveCacheLength];
//WorkSocket.BeginReceiveFrom(state.BytesHead, 0, 8, SocketFlags.None, ref state.UdpEndPoint, new AsyncCallback(ReceiveAsyncCallback), state);
WorkSocket.BeginReceiveFrom(state.BytesContent, 0, ReceiveCacheLength, SocketFlags.None, ref state.UdpEndPoint, new AsyncCallback(AsyncCallback), state);
}
/// <summary>
/// 通信出错后的处理
/// </summary>
/// <param name="receive"></param>
/// <param name="ex"></param>
internal override void SocketReceiveException(AsyncStateOne receive, Exception ex)
{
if (ex.Message.Contains(StringResources.SocketRemoteCloseException))
{
// 异常掉线
ReconnectServer();
}
else
{
// MessageAlerts?.Invoke("数据接收出错：" + ex.Message);
}
LogNet?.WriteDebug(LogHeaderText, "Socket Excepiton Occured.");
}
/***********************************************************************************************************
*
* 无法使用如下的字节头接收来确认网络传输，总是报错为最小
*
***********************************************************************************************************/
//private void ReceiveAsyncCallback(IAsyncResult ar)
//{
// if (ar.AsyncState is AsyncStateOne state)
// {
// try
// {
// state.AlreadyReceivedHead += state.WorkSocket.EndReceiveFrom(ar, ref state.UdpEndPoint);
// if (state.AlreadyReceivedHead < state.HeadLength)
// {
// //接续接收头数据
// WorkSocket.BeginReceiveFrom(state.BytesHead, state.AlreadyReceivedHead, state.HeadLength - state.AlreadyReceivedHead, SocketFlags.None,
// ref state.UdpEndPoint, new AsyncCallback(ReceiveAsyncCallback), state);
// }
// else
// {
// //开始接收内容
// int ReceiveLenght = BitConverter.ToInt32(state.BytesHead, 4);
// if (ReceiveLenght > 0)
// {
// state.BytesContent = new byte[ReceiveLenght];
// WorkSocket.BeginReceiveFrom(state.BytesContent, state.AlreadyReceivedContent, state.BytesContent.Length - state.AlreadyReceivedContent,
// SocketFlags.None, ref state.UdpEndPoint, new AsyncCallback(ContentReceiveAsyncCallback), state);
// }
// else
// {
// //没有内容了
// ThreadDealWithReveice(state, BitConverter.ToInt32(state.BytesHead, 0), state.BytesContent);
// state = null;
// RefreshReceive();
// }
// }
// }
// catch(Exception ex)
// {
// LogHelper.SaveError(StringResources.异步数据结束挂起发送出错, ex);
// }
// }
//}
//private void ContentReceiveAsyncCallback(IAsyncResult ar)
//{
// if (ar.AsyncState is AsyncStateOne state)
// {
// try
// {
// state.AlreadyReceivedContent += state.WorkSocket.EndReceiveFrom(ar, ref state.UdpEndPoint);
// if (state.AlreadyReceivedContent < state.BytesContent.Length)
// {
// //还需要继续接收
// WorkSocket.BeginReceiveFrom(state.BytesContent, state.AlreadyReceivedContent, state.BytesContent.Length - state.AlreadyReceivedContent,
// SocketFlags.None, ref state.UdpEndPoint, new AsyncCallback(ContentReceiveAsyncCallback), state);
// }
// else
// {
// //接收完成了
// ThreadDealWithReveice(state, BitConverter.ToInt32(state.BytesHead, 0), new byte[0]);
// state = null;
// RefreshReceive();
// }
// }
// catch (Exception ex)
// {
// LogHelper.SaveError(StringResources.异步数据结束挂起发送出错, ex);
// }
// }
//}
#region 数据中心处理块
/// <summary>
/// 数据处理中心
/// </summary>
/// <param name="receive"></param>
/// <param name="protocol"></param>
/// <param name="customer"></param>
/// <param name="content"></param>
internal override void DataProcessingCenter(AsyncStateOne receive, int protocol, int customer, byte[] content)
{
LogNet?.WriteDebug(LogHeaderText, "Protocol:" + protocol + " customer:" + customer + " ip:" + receive.GetRemoteEndPoint().Address.ToString());
if (protocol == HslCommunicationCode.Hsl_Protocol_User_Bytes)
{
AcceptByte?.Invoke(receive, customer, content);
}
else if (protocol == HslCommunicationCode.Hsl_Protocol_User_String)
{
//接收到文本数据
string str = Encoding.Unicode.GetString(content);
AcceptString?.Invoke(receive, customer, str);
}
}
private void TcpStateUpLine(AsyncStateOne state)
{
HybirdLockSockets.Enter();
All_sockets_connect.Add(state);
HybirdLockSockets.Leave();
// 提示上线
ClientOnline?.Invoke(state);
// 是否保存上线信息
if (IsSaveLogClientLineChange)
{
LogNet?.WriteInfo(LogHeaderText, "IP:" + state.IpAddress + " Name:" + state?.LoginAlias + " " + StringResources.NetClientOnline);
}
// 计算客户端在线情况
AsyncCoordinator.StartOperaterInfomation();
}
private void TcpStateDownLine(AsyncStateOne state, bool is_regular)
{
HybirdLockSockets.Enter();
All_sockets_connect.Remove(state);
HybirdLockSockets.Leave();
// 关闭连接
TcpStateClose(state);
// 判断是否正常下线
string str = is_regular ? StringResources.NetClientOffline : StringResources.NetClientBreak;
ClientOffline?.Invoke(state, str);
// 是否保存上线信息
if (IsSaveLogClientLineChange)
{
LogNet?.WriteInfo(LogHeaderText, "IP:" + state.IpAddress + " Name:" + state?.LoginAlias + " " + str);
}
// 计算客户端在线情况
AsyncCoordinator.StartOperaterInfomation();
}
private void SendBytes(AsyncStateOne stateone, byte[] content)
{
SendBytesAsync(stateone, content);
}
/// <summary>
/// 服务器端用于发送字节的方法
/// </summary>
/// <param name="stateone">数据发送对象</param>
/// <param name="customer">用户自定义的数据对象，如不需要，赋值为0</param>
/// <param name="bytes">实际发送的数据</param>
public void Send(AsyncStateOne stateone, NetHandle customer, byte[] bytes)
{
SendBytes(stateone, NetSupport.CommandBytes(customer, KeyToken, bytes));
}
/// <summary>
/// 服务器端用于数据发送文本的方法
/// </summary>
/// <param name="stateone">数据发送对象</param>
/// <param name="customer">用户自定义的数据对象，如不需要，赋值为0</param>
/// <param name="str">发送的文本</param>
public void Send(AsyncStateOne stateone, NetHandle customer, string str)
{
SendBytes(stateone, NetSupport.CommandBytes(customer, KeyToken, str));
}
/// <summary>
/// 登录后的处理方法
/// </summary>
/// <param name="obj"></param>
protected override void ThreadPoolLogin(object obj)
{
if (obj is Socket socket)
{
// 判断连接数是否超出规定
if (All_sockets_connect.Count > ConnectMax)
{
socket?.Close();
LogNet?.WriteWarn(LogHeaderText, StringResources.NetClientFull);
return;
}
// 接收用户别名并验证令牌
OperateResult result = new OperateResult();
if (!ReceiveStringFromSocket(
socket,
out int customer,
out string login_alias,
result,
null
))
{
socket?.Close();
return;
}
// 登录成功
AsyncStateOne stateone = new AsyncStateOne()
{
WorkSocket = socket,
LoginAlias = login_alias,
IpEndPoint = (IPEndPoint)socket.RemoteEndPoint,
IpAddress = ((IPEndPoint)socket.RemoteEndPoint).Address.ToString(),
};
if (customer == 1)
{
// 电脑端客户端
stateone.ClientType = "Windows";
}
else if (customer == 2)
{
// Android 客户端
stateone.ClientType = "Android";
}
try
{
stateone.WorkSocket.BeginReceive(stateone.BytesHead, stateone.AlreadyReceivedHead,
stateone.BytesHead.Length - stateone.AlreadyReceivedHead, SocketFlags.None,
new AsyncCallback(HeadReceiveCallback), stateone);
TcpStateUpLine(stateone);
Thread.Sleep(500);//留下一些时间进行反应
}
catch (Exception ex)
{
//登录前已经出错
TcpStateClose(stateone);
LogNet?.WriteException(LogHeaderText, StringResources.NetClientLoginFailed, ex);
}
}
}
private void TcpStateClose(AsyncStateOne state)
{
state?.WorkSocket.Close();
}