/// <summary>
/// 添加新客户
/// </summary>
/// <param name="acceptEventArgs"></param>
private void ProcessAccept(SocketAsyncEventArgs acceptEventArgs)
{
if (acceptEventArgs.AcceptSocket.RemoteEndPoint == null)
{
throw new Exception("服务器停止.");
}
DelegateState.ServerStateInfo(" TCP - 客户端：" + acceptEventArgs.AcceptSocket.RemoteEndPoint + "连接");
DelegateState.ServerConnStateInfo(acceptEventArgs.AcceptSocket.RemoteEndPoint.ToString(), "TCP");
SocketUserToken userToken = m_asyncSocketUserTokenPool.Pop();
m_asyncSocketUserList.Add(userToken);
userToken.ConnectSocket = acceptEventArgs.AcceptSocket;
userToken.ConnectDateTime = DateTime.Now;
try
{
bool willRaiseEvent = userToken.ConnectSocket.ReceiveAsync(userToken.ReceiveEventArgs);//异步回调函数确定
if (!willRaiseEvent)
{
lock (userToken)
{
ProcessReceive(userToken.ReceiveEventArgs);
}
}
}
catch (Exception e)
{
DelegateState.ServerStateInfo("连接端 " + userToken.ConnectSocket + " 错误, 错误信息: " + e.Message);
}
StartAccept(acceptEventArgs);//递归继续异步监控客户端
}
/// <summary>
/// 异步发送及接收回调函数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void IO_Completed(object sender, SocketAsyncEventArgs asyncEventArgs)
{
SocketUserToken userToken = asyncEventArgs.UserToken as SocketUserToken;
userToken.ActiveDateTime = DateTime.Now;
try
{
lock (userToken)
{
if (asyncEventArgs.LastOperation == SocketAsyncOperation.Receive)
{
ProcessReceive(asyncEventArgs);
}
else if (asyncEventArgs.LastOperation == SocketAsyncOperation.Send)
{
ProcessSend(asyncEventArgs);
}
else
{
throw new ArgumentException("最后一次操作完成套接字接收或发送");
}
}
}
catch (Exception ex)
{
DelegateState.ServerStateInfo("异步发送及接收回调函数: IO_Completed " + userToken.ConnectSocket + " error, message: " + ex.Message);
}
}
/// <summary>
/// 清除客户端
/// </summary>
/// <param name="userToken"></param>
public void CloseClientSocket(SocketUserToken userToken)
{
if (userToken.ConnectSocket == null)
{
return;
}
DelegateState.ReomveTCPStateInfo(userToken);
string socketInfo = string.Format(" 删除地址: {0}",
userToken.ConnectSocket.RemoteEndPoint);
try
{
userToken.SendUserTokenAll.Clear();//清除设备连接
userToken.ConnectSocket.Shutdown(SocketShutdown.Both);
}
catch (Exception E)
{
DelegateState.ServerStateInfo("断开连接 " + socketInfo + " error, message: {1}" + E.Message);
}
userToken.LoginFlag = false;
userToken.ConnectSocket.Close();
userToken.ConnectSocket = null; //释放引用，并清理缓存，包括释放协议对象等资源
serverconfig.semap.Release(); //增加个一信号量
m_asyncSocketUserTokenPool.Push(userToken);
AsyncSocketUserList.Remove(userToken);
}
/// <summary>
/// 添加用户
/// </summary>
/// <param name="userToken">用户信息</param>
public void Add(SocketUserToken userToken)
{
lock (m_userlist)
{
m_userlist.Add(userToken);
}
}
/// <summary>
/// 删除一个用户SocketUserToken
/// </summary>
/// <param name="userToken">SocketUserToken</param>
public void Remove(SocketUserToken userToken)
{
lock (m_Devicelist)
{
m_Devicelist.Remove(userToken);
}
}
/// <summary>
/// 复制给SocketUserToken[]
/// </summary>
/// <param name="array">ref SocketUserToken[]</param>
public void CopyList(ref SocketUserToken[] array)
{
lock (m_Devicelist)
{
array = new SocketUserToken[m_Devicelist.Count];
m_Devicelist.CopyTo(array);
}
}
/// <summary>
/// 把 SocketUserToken =null 的重新取出来加入列队
/// </summary>
/// <param name="item">SocketUserToken</param>
public void Push(SocketUserToken item)
{
if (item == null)
{
throw new ArgumentException("项目的用户不能为空！");
}
lock (m_pool)
{
m_pool.Push(item);
}
}
/// <summary>
/// 异步接收请求
/// </summary>
/// <param name="socketAsyncEventArgs"></param>
private void ProcessReceive(SocketAsyncEventArgs socketAsyncEventArgs)
{
SocketUserToken userToken = socketAsyncEventArgs.UserToken as SocketUserToken;
if (userToken.ConnectSocket == null)
{
return;
}
userToken.ActiveDateTime = DateTime.Now;
if (userToken.ReceiveEventArgs.BytesTransferred > 0 && userToken.ReceiveEventArgs.SocketError == SocketError.Success)
{
int offset = userToken.ReceiveEventArgs.Offset;
int count = userToken.ReceiveEventArgs.BytesTransferred;
if ((userToken.InvokeElement == null) & (userToken.ConnectSocket != null)) // 第一次发送的数据为-初始话是登录模式 还是 信息模式
{
BuildingInvokeElement(userToken);
// offset = offset + 1;
// count = count - 1;
}
// userToken.InvokeElement =
if (userToken.InvokeElement == null) //如果没有解析对象，提示非法连接并关闭连接
{
DelegateState.ServerStateInfo("非法连接:" + userToken.ConnectSocket.RemoteEndPoint);
CloseClientSocket(userToken);
}
else
{
if (count > 0) //处理接收数据
{
if (!userToken.InvokeElement.ProcessReceive(userToken.ReceiveEventArgs.Buffer, offset, count)) //处理数据
{
//如果处理数据返回失败，则断开连接
CloseClientSocket(userToken);
}
else
{
bool willRaiseEvent = userToken.ConnectSocket.ReceiveAsync(userToken.ReceiveEventArgs); //继续异步接收
if (!willRaiseEvent)
{
ProcessReceive(userToken.ReceiveEventArgs);
}
}
}
}
}
else
{
DelegateState.ServerStateInfo(string.Format("空数据,断线 {0}",
userToken.ConnectSocket.RemoteEndPoint));
CloseClientSocket(userToken);
}
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="asyncSocketServer"></param>
/// <param name="socketUserToken"></param>
public SocketInvokeElement(AsyncSocketServer asyncSocketServer, SocketUserToken socketUserToken)
{
m_asyncSocketServer = asyncSocketServer;
m_socketUserToken = socketUserToken;
m_outDataParser = new AssemblyOutDataParser();
m_InDataParser = new AssemblyInDataParser();
m_sendAsync = false;
m_connectDT = DateTime.UtcNow;
m_activeDT = DateTime.UtcNow;
}
/// <summary>
/// 异步发送回调函数
/// </summary>
/// <param name="asyncEventArgs"></param>
private bool ProcessSend(SocketAsyncEventArgs sendEventArgs)
{
SocketUserToken userToken = sendEventArgs.UserToken as SocketUserToken;
userToken.ActiveDateTime = DateTime.Now;
if (sendEventArgs.SocketError == SocketError.Success)
{
return(userToken.InvokeElement.SendCompleted(userToken)); //调用子类回调函数
}
else
{
CloseClientSocket(userToken);
return(false);
}
}
/// <summary>
/// 初始化类,确定是登录或者发送信息 和其它的API
/// </summary>
/// <param name="userToken"></param>
private void BuildingInvokeElement(SocketUserToken userToken)
{
//获取接收的0个字节-初始化是登录还是信息
byte flag = userToken.ReceiveEventArgs.Buffer[userToken.ReceiveEventArgs.Offset];
if (flag == (byte)ProtocolFlags.Login)
{
userToken.InvokeElement = new LoginSocketProtocol(this, userToken);
}
if (userToken.InvokeElement != null)
{
DelegateState.ServerStateInfo(userToken.ConnectSocket.RemoteEndPoint + "登录初始化");
}
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="asyncSocketServer"></param>
/// <param name="socketUserToken"></param>
public SocketInvokeElement(AsyncSocketServer asyncSocketServer, SocketUserToken socketUserToken)
{
m_asyncSocketServer = asyncSocketServer;
m_socketUserToken = socketUserToken;
m_outDataParser = new AssemblyOutDataParser();
m_InDataParser = new AssemblyInDataParser();
m_sendAsync = false;
m_connectDT = DateTime.UtcNow;
m_activeDT = DateTime.UtcNow;
//InitMySql();
//m_saveDataThread = new Thread(saveDataFun);
//m_saveDataThread.Start();
m_saveDataFileThread = new Thread(saveDataToFileFun); //利用构造函数，实例化一个线程，并且运行saveDataToFileFun函数
m_saveDataFileThread.Start(); //开启线程
}
/// <summary>
/// 用户池初始化
/// </summary>
public void Init()
{
Serverconfig = new ServerConfig();
m_asyncSocketUserList = new SocketUserClientList();
m_asyncSocketDeviceList = new SocketDeviceClientList();
m_asyncSocketUserTokenPool = new AsyncSocketUserPool(serverconfig.numConnections);
SocketUserToken userToken;
for (int i = 0; i < serverconfig.numConnections; i++) //按照连接数建立读写对象
{
userToken = new SocketUserToken(serverconfig.buffSize);
//异步回调函数初始化
userToken.ReceiveEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
//异步回调函数初始化
userToken.SendEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(IO_Completed);
//开辟固定空间
m_asyncSocketUserTokenPool.Push(userToken);
}
}
/// <summary>
/// 发送回调函数
/// </summary>
/// <param name="userToken"></param>
/// <returns></returns>
public virtual bool SendCompleted(SocketUserToken userToken)
{
userToken.m_sendAsync = false;
AsyncSendBufferManager asyncSendBufferManager = userToken.SendBuffer;
asyncSendBufferManager.ClearFirstPacket(); //清除已发送的包
int offset = 0;
int count = 0;
if (asyncSendBufferManager.GetFirstPacket(ref offset, ref count))//缓存中是否还有数据没有发送,有就继续发送
{
userToken.m_sendAsync = true;
return(m_asyncSocketServer.SendAsyncEvent(userToken.ConnectSocket, userToken.SendEventArgs,
asyncSendBufferManager.m_dynamicBufferManager.Buffer, offset, count));
}
else
{
return(true);
}
}
/// <summary>
/// 发送信息
/// </summary>
/// <param name="commandText">string</param>
/// <param name="userToken">SocketUserToken 连接客户端</param>
/// <returns>bool</returns>
public bool SendMsgClientMsg(string commandText, SocketUserToken userToken)
{
byte[] bufferUTF8 = Encoding.UTF8.GetBytes(commandText);
int totalLength = bufferUTF8.Length; //获取总大小
AsyncSendBufferManager asyncSendBufferManager = userToken.SendBuffer;
asyncSendBufferManager.StartPacket();
asyncSendBufferManager.m_dynamicBufferManager.WriteBuffer(bufferUTF8); //写入命令内容
asyncSendBufferManager.EndPacket();
bool result = true;
if (!userToken.m_sendAsync)
{
int packetOffset = 0;
int packetCount = 0;
if (asyncSendBufferManager.GetFirstPacket(ref packetOffset, ref packetCount))
{
userToken.m_sendAsync = true;
result = SendAsyncEvent(userToken.ConnectSocket, userToken.SendEventArgs,
asyncSendBufferManager.m_dynamicBufferManager.Buffer, packetOffset, packetCount);
}
}
return(result);
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="asyncSocketServer">AsyncSocketServer</param>
/// <param name="socketUserToken">SocketUserToken</param>
public MesgTransmitSocketProtocol(AsyncSocketServer asyncSocketServer, SocketUserToken socketUserToken)
: base(asyncSocketServer, socketUserToken)
{
}
/// <summary>
/// 初始化
/// </summary>
/// <param name="asyncSocketServer">AsyncSocketServer</param>
/// <param name="socketUserToken">SocketUserToken</param>
public LoginSocketProtocol(AsyncSocketServer asyncSocketServer, SocketUserToken socketUserToken)
: base(asyncSocketServer, socketUserToken)
{
}