private void btnRequestClientUpdate_Click(object sender, EventArgs e)
{
byte[] frame = FileTransferProtocol.GetFrameWhatIsYourMNandVersion();
foreach (NetworkStream stream in streamList)
{
try
{
stream.Write(frame, 0, frame.Length);
}
catch
{
}
}
}
//FileStream fStream = null;
private void SetupFrameHandler()
{
serialPortFrameMgr = new FrameManager((ushort)(serialPort1.ReadBufferSize * 3), serialPort1);
serialPortFrameMgr.OnReceiveFrame += new FrameManager.OnReceiveFrameHandler(
delegate(/*object own,*/ FileTransferProtocol.CommandType frameType, int parameter, byte[] commandData)
{
//SerialPort serialPort = (SerialPort)own;
switch (frameType)
{
case FileTransferProtocol.CommandType.FileName:
string fileName = System.Text.Encoding.Default.GetString(commandData, 0, commandData.Length);
if (fileName != null)
{
if (fStream != null)
{
fStream.Close();
fStream = null;
}
string CurrentPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().ManifestModule.FullyQualifiedName);
string startDir = CurrentPath + @"\update\";
if (!Directory.Exists(startDir))
{
Directory.CreateDirectory(startDir);
}
if (File.Exists(startDir + fileName))
{
File.Delete(startDir + fileName);
}
fStream = File.Open(startDir + fileName, FileMode.CreateNew);
SetText(DateTime.Now.ToString() + " 准备接收文件：" + fileName + " 文件总长度：" + parameter);
}
break;
case FileTransferProtocol.CommandType.FileData:
if (fStream != null && commandData != null && commandData.Length > 0)
{
fStream.Write(commandData, 0, commandData.Length);
SetText("收到文件数据长度" + commandData.Length);
}
break;
case FileTransferProtocol.CommandType.FileSendFinish:
if (fStream != null)
{
fStream.Close();
fStream = null;
SetText(DateTime.Now.ToString() + " 收到文件结束信号");
}
break;
case FileTransferProtocol.CommandType.WhatIsYourMNandVersion:
//byte[] frame = FileTransferProtocol.GetFrameMNAndVersion(1, "456");
byte[] frame = FileTransferProtocol.GetFrameWhatIsYourMNandVersion();
serialPort1.Write(frame, 0, frame.Length);
break;
case FileTransferProtocol.CommandType.Message:
string message = System.Text.Encoding.Default.GetString(commandData, 0, commandData.Length);
this.Invoke(new EventHandler(delegate(object s, EventArgs ar)
{
this.txtData.Text += message + "\r\n";
}));
break;
}
return(true);
});
}
private void ConnectOrDisconnect()
{
var ip = cmbIP.Text;
var port = int.Parse(txtPort.Text);
if (mThreadConnectToServer == null)
{
mThreadConnectToServer = new Thread(new ThreadStart(delegate()
{
try
{
if (stream != null)
{
stream.Close();
}
tcpclient = new TcpClient(ip, port);
//SetButtonState(btnConnect, "断开(&S)");
tcpclient.ReceiveBufferSize = 0xFFFF + 1;
tcpclient.SendBufferSize = 0xFFFF + 1;
stream = tcpclient.GetStream();
int revFilePartCount = 0;
try
{
stream.Write(System.Text.Encoding.Default.GetBytes("OK"), 0, 2);
SetButtonState(btnConnect, "断开(&S)");
}
catch (Exception ex)
{
if (stream != null)
{
stream.Close();
}
if (tcpclient != null)
{
tcpclient.Close();
}
mThreadConnectToServer.Abort();
return;
}
//创建帧分析对象
fFrameMgr = new FrameManager((ushort)(serialPort1.ReadBufferSize * 3), stream);
//实现帧处理函数
fFrameMgr.OnReceiveFrame += new FrameManager.OnReceiveFrameHandler(
delegate(/*object _stream,*/ FileTransferProtocol.CommandType frameType, int parameter, byte[] commandData)
{
//NetworkStream nStream = (NetworkStream)_stream;
switch (frameType)
{
case FileTransferProtocol.CommandType.FileName:
string fileName = System.Text.Encoding.Default.GetString(commandData, 0, commandData.Length);
if (fileName != null)
{
if (fStream != null)
{
fStream.Close();
fStream = null;
}
revFilePartCount = 0;
string CurrentPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().ManifestModule.FullyQualifiedName);
string startDir = CurrentPath + @"\update\";
if (!Directory.Exists(startDir))
{
Directory.CreateDirectory(startDir);
}
if (File.Exists(startDir + fileName))
{
File.Delete(startDir + fileName);
}
fStream = File.Open(startDir + fileName, FileMode.CreateNew);
AddItemToList(listBox1, DateTime.Now.ToString() + " 准备接收文件：" + fileName + " 文件总长度：" + parameter);
}
break;
case FileTransferProtocol.CommandType.FileData:
if (fStream != null && commandData != null && commandData.Length > 0)
{
revFilePartCount++;
fStream.Write(commandData, 0, commandData.Length);
AddItemToList(listBox1, string.Format("收到 第{0}块 数据长度:{1} 服务器端分块号:{2} ", revFilePartCount, commandData.Length, parameter));
}
break;
case FileTransferProtocol.CommandType.FileSendFinish:
if (fStream != null)
{
fStream.Close();
fStream = null;
AddItemToList(listBox1, DateTime.Now.ToString() + " 收到文件结束信号");
}
break;
case FileTransferProtocol.CommandType.WhatIsYourMNandVersion:
byte[] frame = FileTransferProtocol.GetFrameWhatIsYourMNandVersion();
stream.Write(frame, 0, frame.Length);
break;
case FileTransferProtocol.CommandType.Message:
string message = System.Text.Encoding.Default.GetString(commandData, 0, commandData.Length);
AddItemToList(listBox1, message);
break;
}
return(true);
});
//------------------------------------------------------------------------------------
//方式0数采仪被动更新（只有在更新服务器询问[指定列表的]数采仪时，则数据采仪才更新）
//------------------------------------------------------------------------------------
////把 网络 或 串口 的 数据 传给 帧分析对象的Handler函数做分析
if (receiveThread == null)
{
receiveThread = new Thread(new ThreadStart(delegate()
{
int MaxLength = FileTransferProtocol.MaxFrameLength - FileTransferProtocol.FrameStructLength;//64*1024;0xFFFF+1;64K;
Byte[] data = new Byte[MaxLength];
try
{
bool running = true;
while (running)
{
Debug.WriteLine(string.Format("{0}", Thread.CurrentThread.Name));
Int32 bytes = 0;
try
{
bytes = stream.Read(data, 0, data.Length);
}
catch (System.IO.IOException er)
{
DisConnect();
}
if (bytes > 0)
{
//这是处理收到帧
running = fFrameMgr.Handler(bytes, data);
}
else
{
//远端客户主动断开socket
running = false;
}
}
}
catch (ThreadAbortException er)
{
AddItemToList(listBox1, string.Format(DateTime.Now.ToString() + " 连接{0}:{1}未成功或已取消", ip, port));
receiveThread = null;
}
catch (Exception err)
{
AddItemToList(listBox1, DateTime.Now.ToString() + " " + err.Message);
}
}));
receiveThread.Start();
}
else
{
if (stream != null)
{
stream.Close();
}
receiveThread.Abort();
receiveThread = null;
}
//-----------------------------------------方式0--------------------------------------
}
catch (ThreadAbortException er)
{
AddItemToList(listBox1, string.Format(DateTime.Now.ToString() + " 连接{0}:{1}未成功或已取消", ip, port));
mThreadConnectToServer = null;
}
catch (SocketException er)
{
AddItemToList(listBox1, DateTime.Now.ToString() + " " + er.Message);
DisConnect();
}
}));
mThreadConnectToServer.Start();
}
else
{
DisConnect();
}
}
private void btnTestCOMTCP_Click(object sender, EventArgs e)
{
CRC.CRC8 crc = new CRC.CRC8();
int dataStartIndex = FileTransferProtocol.CommandDataIndex;
//测试：准备发送新的文件
string filename = @"c:\abc.txt";
byte[] FileInfo = FileTransferProtocol.GetFrameFileInfo(255 + 256, filename);
//帧头
Trace.Assert(FileInfo[0] == FileTransferProtocol.FrameHead);
//crc
//Trace.Assert(FileInfo[1] == crc);
//命令字
Trace.Assert(FileInfo[1] == 0x00);
//文件长度
Trace.Assert(FileInfo[2] == 0xFF);
Trace.Assert(FileInfo[3] == 0x01);
Trace.Assert(FileInfo[4] == 0);
Trace.Assert(FileInfo[5] == 0);
byte[] bs = System.Text.Encoding.Default.GetBytes(filename);
Trace.Assert(FileInfo[6] == bs[0]);
Trace.Assert(FileInfo[7] == bs[1]);
//帧偏移
Trace.Assert((FileInfo[FileInfo.Length - 4] + FileInfo[FileInfo.Length - 3] * 256) == (FileInfo.Length - 1));
Trace.Assert(FileInfo[FileInfo.Length - 2] == 0x7F);
Trace.Assert(FileInfo[FileInfo.Length - 1] == 0xFF);
byte[] data = new byte[] { 0x01, 0x02, 0xFF, 0xEF, 0xCC, 0xDD, 0x00, 0xAA };
byte[] FileData = FileTransferProtocol.GetFrameFileData(0x01AABBFF, data);
//帧头
Trace.Assert(FileData[0] == FileTransferProtocol.FrameHead);
//帧偏移
Trace.Assert((FileData[FileData.Length - 3] * 256 + FileData[FileData.Length - 4]) == (FileData.Length - 1));
//命令字
Trace.Assert(FileData[1] == 0x1);
//文件偏移
Trace.Assert(FileData[2] == 0xFF);
Trace.Assert(FileData[3] == 0xBB);
Trace.Assert(FileData[4] == 0xAA);
Trace.Assert(FileData[5] == 0x01);
//文件数据
Trace.Assert(FileData[6] == 0x01);
Trace.Assert(FileData[7] == 0x02);
Trace.Assert(FileData[8] == 0xFF);
Trace.Assert(FileData[9] == 0xEF);
Trace.Assert(FileData[10] == 0xCC);
Trace.Assert(FileData[11] == 0xDD);
//crc
//byte[] x = new byte[] { 0x02, 0xFF, 0xBB, 0xAA, 0x01, 0x01, 0x02, 0xFF, 0xEF, 0xCC, 0xDD, 0x00, 0xAA, FileData[FileData.Length - 3], FileData[FileData.Length - 2] };
//Trace.Assert(FileData[1] == crc.Crc(x, 0, x.Length));
Trace.Assert(FileData[FileData.Length - 1] == 0x7F);
//文件发送完毕
byte[] f = FileTransferProtocol.GetFrameFileSendFinish();
//帧头
Trace.Assert(f[0] == FileTransferProtocol.FrameHead);
//帧偏移
Trace.Assert((f[f.Length - 3] * 256 + f[f.Length - 4]) == f.Length - 1);
//命令字
Trace.Assert(f[1] == 0x02);
//crc
//Trace.Assert(f[1] == crc.Crc(f, dataStartIndex, f.Length - 3));
Trace.Assert(f[f.Length - 1] == 0x7F);
//表示可以新的文件
byte[] a = FileTransferProtocol.GetFrameWhatIsYourMNandVersion();
TestCmdFrame(a, 0xFD, crc);
//表示已经接收数据
//byte[] Ac = FileTransferProtocol.GetFrameMNAndVersion(1,"123");
//TestCmdFrame(Ac, 0xFE, crc);
//表示已经保存文件完毕
byte[] s = FileTransferProtocol.GetFrameCloseSocket();
TestCmdFrame(s, 0xFF, crc);
}