|
public static allocate ( int capacity ) : |
||
| capacity | int | |
| return | ||
protected ByteBuffer readResponse(int expected)
{
ByteBuffer def = ByteBuffer.allocate(8);
def.order(myOrder);
readAll(def);
def.rewind();
if (def.length() == 0)
{
errorReturned = BUFFER_READ_ERROR;
throw new IOException("Error reading from the buffer server.");
}
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 putEvents(BufferEvent[] e)
{
ByteBuffer buf;
int bufsize = 0;
for (int i = 0; i < e.Length; i++)
{
bufsize += e[i].size();
}
buf = ByteBuffer.allocate(8 + bufsize);
buf.order(myOrder);
buf.putShort(VERSION).putShort(PUT_EVT).putInt(bufsize);
for (int i = 0; i < e.Length; i++)
{
e[i].serialize(buf);
}
buf.rewind();
writeAll(buf);
readResponse(PUT_OK);
}
public Header getHeader()
{
ByteBuffer buf;
buf = ByteBuffer.allocate(8);
buf.order(myOrder);
buf = buf.putShort(VERSION);
buf = buf.putShort(GET_HDR);
buf = buf.putInt(0);
buf.rewind();
writeAll(buf);
buf = readResponse(GET_OK);
if (errorReturned == NO_ERROR)
{
header = new Header(buf);
}
else
{
header = new Header(0, 0, 0);
}
return(header);
}
