public override IEnumerator DoAsync()
{
ReadStream = File.OpenRead(this.SourcePath + this.FilePath);
ByteDatas = new byte[ReadStream.Length];
ReadStream.BeginRead(ByteDatas, 0, (int)ReadStream.Length, new AsyncCallback(OnReadStreamCallback), this);
yield break;
}
private void StartReading(HostInfo hostInfo)
{
// Initialize comunication
CreateAndConnect(hostInfo);
// Start receiving
ReadContext readContext = new ReadContext(4 * 1024, this.connectionVersion);
ReadStream.BeginRead(readContext.Data, 0, readContext.Data.Length, new AsyncCallback(ReadCallback), readContext);
}
private void ReadCallback(IAsyncResult asyncResult)
{
try
{
ReadContext readContext = (ReadContext)asyncResult.AsyncState;
byte[] rawData = readContext.Data;
int bytesReceived = 0;
try
{
bytesReceived = ReadStream.EndRead(asyncResult);
}
catch (Exception)
{
bytesReceived = 0;
}
if (bytesReceived == 0)
{
// Read as failed (bytes received == 0 or exception in EndRead)
ReadFailed(readContext);
return;
}
MessageAccumulator msgAcc = readContext.Accumulator;
ProcessReceivedData(ref msgAcc, rawData, bytesReceived);
readContext.Accumulator = msgAcc;
//continue to read if it's not closed.
lock (this)
{
if (closed)
{
return;
}
}
ReadStream.BeginRead(readContext.Data, 0, readContext.Data.Length, new AsyncCallback(ReadCallback), readContext);
}
catch (Exception e)
{
log.Error(e);
}
}
public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
return(ReadStream.BeginRead(buffer, offset, count, callback, state));
}