|
public order ( |
||
| _byteorder | ||
| 리턴 | ||
protected ByteBuffer readResponse(int expected)
{
ByteBuffer def = ByteBuffer.allocate(8);
def.order(myOrder);
readAll(def);
def.rewind();
short version = def.getShort();
short _expected = def.getShort();
if (version != VERSION)
{
errorReturned = VERSION_ERROR;
throw new IOException("Invalid VERSION returned.");
}
else if (_expected != expected)
{
errorReturned = BUFFER_READ_ERROR;
//throw new IOException("Error returned from FieldTrip buffer server.");
}
else
{
errorReturned = NO_ERROR;
}
int size = def.getInt();
ByteBuffer buf = ByteBuffer.allocate(size);
buf.order(myOrder);
readAll(buf);
buf.rewind();
return(buf);
}
public void flushEvents()
{
ByteBuffer buf = ByteBuffer.allocate(8);
buf.order(myOrder);
buf.putShort(VERSION).putShort(FLUSH_EVT).putInt(0).rewind();
writeAll(buf);
buf = readResponse(FLUSH_OK);
}
protected ByteBuffer preparePutData(int nChans, int nSamples, int type)
{
int bufsize = DataType.wordSize[type] * nSamples * nChans;
ByteBuffer buf = ByteBuffer.allocate(8 + 16 + bufsize);
buf.order(myOrder);
buf.putShort(VERSION).putShort(PUT_DAT).putInt(16 + bufsize);
buf.putInt(nChans).putInt(nSamples).putInt(type).putInt(bufsize);
return(buf);
}
public void flushData()
{
ByteBuffer buf = ByteBuffer.allocate(8);
buf.order(myOrder);
buf.putShort(VERSION).putShort(FLUSH_DAT).putInt(0).rewind();
lock (this) {
writeAll(buf);
buf = readResponse(FLUSH_OK);
}
}
