private IBPlaybackMessage ReadLogMetaData()
{
IBPlaybackMessage msg = (IBPlaybackMessage)_reader.ReadUInt32();
_lastTimeStamp = _nextTimeStamp;
_nextTimeStamp = DateTime.FromBinary(_reader.ReadInt64());
_lastMsgSize = _reader.ReadInt32();
_position = _logStream.Position;
return(msg);
}
private void HandlePlaybackMetaData(IBPlaybackMessage msg)
{
// Now that we know the previous message size, seek to the size position
// in the stream and write the position into the stream, and seek back to
// where we currently are
if (_lastEmptySize != 0)
{
long position = _recordStream.Position;
_recordStream.Seek(_lastEmptySize, SeekOrigin.Begin);
// Write the newly calculated size of the previous message as uint (32-bit)
_recordWriter.Write((uint)(position - _lastEmptySize - sizeof(uint)));
_recordStream.Seek(position, SeekOrigin.Begin);
}
// Write that there was a request, specify 0 for size for now (next message will adjust this)
_recordWriter.Write((uint)msg);
// Write the time stamp
_recordWriter.Write(DateTime.Now.ToBinary());
_lastEmptySize = _recordStream.Position;
// Write the temporary message size as a uint (32-bit) size
_recordWriter.Write((uint)0);
}
private void ProcessPlaybackStream()
{
while (_doWork)
{
IBPlaybackMessage msg = ReadLogMetaData();
switch (msg)
{
case IBPlaybackMessage.Receive:
// Read a single message processing it
ProcessSingleMessage();
break;
case IBPlaybackMessage.Send:
// Send the server message to our dummy server,
// this server will round-trip the server message and "understand" what
// client side message + parameters were used when issueing the server command...
_loopbackServer.ProcessSingleMessage();
break;
}
}
}
private void HandlePlaybackMetaData(IBPlaybackMessage msg)
{
// Now that we know the previous message size, seek to the size position
// in the stream and write the position into the stream, and seek back to
// where we currently are
if (_lastEmptySize != 0) {
long position = _recordStream.Position;
_recordStream.Seek(_lastEmptySize, SeekOrigin.Begin);
// Write the newly calculated size of the previous message as uint (32-bit)
_recordWriter.Write((uint)(position - _lastEmptySize - sizeof(uint)));
_recordStream.Seek(position, SeekOrigin.Begin);
}
// Write that there was a request, specify 0 for size for now (next message will adjust this)
_recordWriter.Write((uint)msg);
// Write the time stamp
_recordWriter.Write(DateTime.Now.ToBinary());
_lastEmptySize = _recordStream.Position;
// Write the temporary message size as a uint (32-bit) size
_recordWriter.Write((uint)0);
}
