/// <summary>
/// Ends receive operation.
/// </summary>
/// <param name="buf">the buffer received in last receive operation</param>
protected void EndReceive(IoBuffer buf)
{
if (ReadSuspended)
{
_pendingReceivedMessage = buf;
}
else
{
FilterChain.FireMessageReceived(buf);
if (Socket.Connected)
{
BeginReceive();
}
}
}
/// <summary>
/// Starts this session.
/// </summary>
public void Start()
{
if (ReadSuspended)
{
return;
}
if (_pendingReceivedMessage != null)
{
if (!Object.ReferenceEquals(_pendingReceivedMessage, dummy))
{
FilterChain.FireMessageReceived(_pendingReceivedMessage);
}
_pendingReceivedMessage = null;
BeginReceive();
}
}
/// <summary>
/// 读取目录所有文件
/// </summary>
private void ReadDirectory(string directory)
{
var files = Directory.GetFiles(directory);
try
{
foreach (var file in files)
{
using (fileStream = new FileStream(file, FileMode.Open, FileAccess.Read))
{
while (Reading & fileStream.CanRead)
{
if (ReadSuspended)
{
//暂停读取
Thread.Sleep(Math.Min(100, Config.ReadSpan));
continue;
}
var data = new byte[1024];
var begin = DateTime.Now;
var readBytes = fileStream.Read(data, 0, 1024);
if (readBytes == 0)
{
break;
}
try
{
FilterChain.FireMessageReceived(IoBuffer.Wrap(data, 0, readBytes));
}
catch (Exception ex)
{
FilterChain.FireExceptionCaught(ex);
}
var used = DateTime.Now - begin;
var sleep = Config.ReadSpan > used.Milliseconds ? Config.ReadSpan - used.Milliseconds : 0;
Thread.Sleep(sleep);
}
}
}
}
catch (Exception e)
{
FilterChain.FireExceptionCaught(e);
}
}
void _serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (ReadSuspended || e.EventType == SerialData.Eof)
{
return;
}
Int32 bytesToRead = _serialPort.BytesToRead;
Byte[] data = new Byte[bytesToRead];
Int32 read = _serialPort.Read(data, 0, bytesToRead);
if (read > 0)
{
try
{
FilterChain.FireMessageReceived(IoBuffer.Wrap(data, 0, read));
}
catch (Exception ex)
{
this.FilterChain.FireExceptionCaught(ex);
}
}
}
