/// <summary>
/// 开始接收
/// </summary>
public void Start()
{
try
{
UDTReceiver.connectionExpiryDisabled = true;
//UDTClient client=localPort!=-1?new UDTClient(myHost,localPort):new UDTClient(myHost);
judpClient client = new judpClient(localIP, localPort);
client.Connect(serverHost, serverPort);
Console.WriteLine("[ReceiveFile] Requesting file " + remoteFile);
string reqFile = remoteFile;
string rspFile = localFile;
Thread recfile = new Thread(() =>
{
byte[] fName = Encoding.UTF8.GetBytes(remoteFile);
//send file name info
byte[] nameinfo = new byte[fName.Length + 4];
Array.Copy(ApplicationCode.Encode(fName.Length), 0, nameinfo, 0, 4);
Array.Copy(fName, 0, nameinfo, 4, fName.Length);
client.SendData(nameinfo);
client.PauseOutput();
//read size info (an 64 bit number)
byte[] sizeInfo = new byte[8];
int total = 0;
while (total < sizeInfo.Length)
{
int r = client.read(sizeInfo);
if (r < 0)
{
break;
}
total += r;
}
long size = ApplicationCode.decode(sizeInfo, 0);
// File file = new File(new string(rspFile));
Console.WriteLine("[ReceiveFile] Write to local file <" + rspFile + ">");
FileStream fos = null;
try
{
fos = new FileStream(rspFile, FileMode.Append);
Console.WriteLine("[ReceiveFile] Reading <" + size + "> bytes.");
long start = DateTime.Now.Ticks;
ApplicationCode.CopySocketFile(fos, client, size, false);
long end = DateTime.Now.Ticks;
double rate = 1000.0 * size / 1024 / 1024 / (end - start);
Console.WriteLine("[ReceiveFile] Rate: " + rate.ToString(format) + " MBytes/sec. "
+ (8 * rate).ToString(format) + " MBit/sec.");
Console.WriteLine("接收文件完成：" + rspFile);
client.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
finally
{
try
{
fos.Close();
}
catch (IOException e)
{
Console.WriteLine(e);
}
}
});
recfile.IsBackground = true;
recfile.Name = ("文件接收_" + localFile);
recfile.Start();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public void run()
{
try
{
// FlashLogger.Info("Handling request from "+socket.);
byte[] readBuf = new byte[32768];
MemoryStream stream = new MemoryStream(readBuf);
//read file name info
int r = 0;
while (true)
{
r = socket.ReadData(readBuf);
if (r == 0)
{
Thread.Sleep(100);
}
else
{
break;
}
}
if (r == -1)
{
socket.Close();
return;
}
//how many bytes to read for the file name
byte[] len = new byte[4];
stream.Read(len, 0, 4);
if (verbose)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < len.Length; i++)
{
sb.Append(len[i].ToString());
sb.Append(" ");
}
Console.WriteLine("[SendFile] name length data: " + sb.ToString());
}
long length = ApplicationCode.decode(len, 0);
if (verbose)
{
Console.WriteLine("[SendFile] name length: " + length);
}
byte[] fileName = new byte[(int)length];
stream.Read(fileName, 0, fileName.Length);
string file = Encoding.UTF8.GetString(fileName);
Console.WriteLine("[SendFile] File requested: '" + file + "'");
Thread.CurrentThread.Name = ("sendFile_" + file);
FileStream fis = new FileStream(file, FileMode.Open);
try
{
long size = fis.Length;
fis.Close();
Console.WriteLine("[SendFile] File size: " + size);
//send size info
socket.SendData(ApplicationCode.encode64(size));
long start = DateTime.Now.Ticks;
// //and send the file
ApplicationCode.CopySocketFile(file, socket, socket.GetDataStreamLen());
Console.WriteLine("[SendFile] Finished sending data.");
long end = DateTime.Now.Ticks;
//System.out.println(socket.getSession().getStatistics().toString());
double rate = 1000.0 * size / 1024 / 1024 / (end - start);
Console.WriteLine("[SendFile] Rate: " + rate.ToString(format) + " MBytes/sec. " + (8 * rate).ToString(format) + " MBit/sec.");
// if(Boolean.getBoolean("udt.sender.storeStatistics")){
// socket.getSession().getStatistics().writeParameterHistory(new File("udtstats-"+System.currentTimeMillis()+".csv"));
// }
}
finally
{
socket.Close();
if (fis != null)
{
fis.Close();
}
}
FlashLogger.Info("Finished request from " + socket.GetDestination());
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
