/// <summary>
/// 发送数据(握手)
/// </summary>
/// <param name="state">发送对像</param>
public static void SendHandshake(Kernel.StateObject state)
{
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
byte ver = 1;
short cmd1 = CommCmd.Handshake;
short cmd2 = ErrCommon.Success; //0;
int packagelength = 0;
bw.Write(ver);
bw.Write(cmd1);
bw.Write(cmd2);
bw.Write(packagelength);
bw.Flush();
if (state.workSocket.Connected)
{
state.Send(ms.ToArray());
if (cmd1 != CommCmd.Handshake)
{
Commonality.ConsoleManage.Write(Commonality.ErrorLevel.Response, "SendDatas", "CMD=" + cmd1.ToString() + " " + "BACKCODE=" + cmd2.ToString() + ">>IPaddress:" + state.wanIP.ToString() + ">>Port:" + state.wanPort.ToString());
}
}
else
{
Commonality.ConsoleManage.Write(Commonality.ErrorLevel.Response, "SendDatas", "state.workSocket is not Connected");
}
}
}
}
/// <summary>
/// 移除客户端连接列表
/// </summary>
/// <param name="Request">连接对像</param>
public static void RemoveClientConnList(Kernel.StateObject Request)
{
try
{
foreach (KeyValuePair <string, Kernel.StateObject> a in ClientConnList)
{
if (a.Value != null)
{
if (a.Value.ConnectionSession == Request.ConnectionSession)
{
ClientConnList.Remove(a.Key);
break;
}
}
}
Commonality.ConsoleManage.Write(Commonality.ErrorLevel.Serious,
"KOIPMonitor>>CommClass>>RevDevObjList>>", "User is Down!~~");
}
catch (Exception ex)
{
Commonality.ConsoleManage.Write(Commonality.ErrorLevel.Serious,
"KOIPMonitor>>CommClass>>RemoveClientConnList>>",
ex.Message);
return;
}
}
/// <summary>
/// 添加客户端用户列表
/// </summary>
/// <param name="UserId">用户ID</param>
/// <param name="Request">连接对像</param>
public static void AddClientConnList(string UserId, Kernel.StateObject Request)
{
try
{
if (!ClientConnList.ContainsKey(UserId))
{
ClientConnList.Add(UserId, Request);
}
}
catch (Exception ex)
{
Commonality.ConsoleManage.Write(Commonality.ErrorLevel.Serious,
"KOIPMonitor>>CommClass>>AddClientConnList>>",
ex.Message);
return;
}
}
private void GoToProcess(StateObject state)
{
this.ReceiveEvent(state);
}
public void ReadCallback(IAsyncResult ar)
{
StateObject state = null;
bool closeSocket = false;
try
{
state = (StateObject)ar.AsyncState;
Socket userClient = state.workSocket;
int bytesRead = 0;
//...判斷socket連線是否斷掉
if (userClient == null || !userClient.Connected)
{
closeSocket = true;
return;
}
bytesRead = userClient.EndReceive(ar);
if (bytesRead > 0)
{
#region//...是否讀過 Header
if (!state.isReadHeader)
{
//...建立接收封包的存放位置
string directoryName = "/" + Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase).Remove(0, 6) + "/Process/";
if (OSType != 0)
{
directoryName = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase).Remove(0, 6) + "\\Process\\";
}
DirectoryInfo Createdir = new DirectoryInfo(directoryName);
if (!Createdir.Exists)
{
Createdir.Create();
}
//state.receiveFileTemporarily = directoryName + RandomSession.createSession(64);
state.receiveFileTemporarily = directoryName + "serv_" + Guid.NewGuid().ToString();
byte[] HeadReceiveBuffer = new byte[bytesRead];
Array.Copy(state.receiveBuffer, HeadReceiveBuffer, bytesRead);
state.ListHeadBuffer.AddRange(HeadReceiveBuffer);
state.headerBufferSize = state.headerBufferSize - bytesRead;
if (state.headerBufferSize == 0)
{
byte[] TempHeadReceiveBuffer = state.ListHeadBuffer.ToArray();
state.ListHeadBuffer.Clear();
state.headerBufferSize = 9;
using (MemoryStream ms_readheader = new MemoryStream(TempHeadReceiveBuffer, 0, TempHeadReceiveBuffer.Length))
{
BinaryReader br = new BinaryReader(ms_readheader);
state.ver = br.ReadByte(); //...封包版本號
state.cmd1 = br.ReadInt16(); //...命令1
state.cmd2 = br.ReadInt16(); //...命令2
state.receivePackageTotalSize = br.ReadInt32(); //...封包內容總長度
}
if (state.receivePackageTotalSize <= 0)
{
//...沒有夾帶內容
state.isReadHeader = false; //...讀取完畢將標記改為false
state.receiveBuffer = new byte[state.headerBufferSize]; //...Buffer 清空
GoToProcess(state); //...接收完畢號 處理事件
}
else
{
//...當有夾帶內容時
state.receiveBuffer = null;
state.receiveBuffer = new byte[state.receivePackageTotalSize]; //... 080609 by randy
state.isReadHeader = true; //,,,將標記設定為讀過標頭,可以繼續接收資料
}
}
else if (state.headerBufferSize > 0)
{
//...繼續接收
state.receiveBuffer = new byte[state.headerBufferSize];//--randy,2008.06.09
}
//...接收buffer的資料
if (userClient == null || !userClient.Connected)
{
closeSocket = true;
return;
}
if (userClient.Connected)
{
userClient.BeginReceive(state.receiveBuffer, 0, state.receiveBuffer.Length, 0, new AsyncCallback(ReadCallback), state);
return;
}
else
{
closeSocket = true;
return;
}
}
#endregion
#region //...儲存數據
DiskIO.Save(state.receiveFileTemporarily, state.receiveBuffer, bytesRead);
state.receivePackageTotalSize = state.receivePackageTotalSize - bytesRead;//--randy,2008.06.09
if (state.receivePackageTotalSize == 0)
{
//...接收完畢
state.isReadHeader = false; //...讀取Header reset
state.receiveBuffer = new byte[state.headerBufferSize]; //...recevice buffer reset
GoToProcess(state); //...接收完畢號 處理事件
}
else if (state.receivePackageTotalSize > 0)
{
//...繼續接收
state.receiveBuffer = new byte[state.receivePackageTotalSize];//--randy,2008.06.09
}
#endregion
#region//...接收buffer的資料
//...接收buffer的資料
if (userClient == null || !userClient.Connected)
{
closeSocket = true;
return;
}
userClient.BeginReceive(state.receiveBuffer, 0, state.receiveBuffer.Length, 0, new AsyncCallback(ReadCallback), state);
#endregion
}
else
{
//KConsole.Write(ErrorLevel.Response, "", "Kernel>>AsynTCPSocket>>ReadCallback>>Exception: 接收到的數據長度<=0");
//KConsole.Write(ErrorLevel.Warn, "Kernel>>AsynTCPSocket>>ReadCallback>>", "接收到的數據長度<=0");
KConsole.Write(ErrorLevel.Response, "", "bytesRead=" + bytesRead.ToString());
closeSocket = true;
}
}
catch (Exception ex)
{
//KConsole.Write(ErrorLevel.Serious, "Kernel>>AsynTCPSocket>>ReadCallback>>", ex.Message);
KConsole.Write(ErrorLevel.Response, "", "Kernel>>AsynTCPSocket>>ReadCallback>>Exception:" + ex.Message);
closeSocket = true;
}
finally
{
if (closeSocket)
{
if (ExceptionHandlingEvent != null)
{
ExceptionHandlingEvent(state);
}
state = null;
//GC.Collect();
}
}
}
