public long transferTo(
final long count, final ByteBuffer throughBuffer, final StreamSinkChannel target)
throws IOException {
if (allAreSet(state, READ_SHUTDOWN) || count <= 0L) {
return -1L;
}
final long res;
if (Native.HAS_SPLICE && target instanceof NativeDescriptor) {
res = Native.transfer(fd, count, throughBuffer, ((NativeDescriptor) target).fd);
if (Native.EXTRA_TRACE) log.tracef("Splice(%d -> %s): %d", fd, target, res);
} else {
res = Conduits.transfer(this, count, throughBuffer, target);
}
if (res <= 0) state &= ~READ_READY;
if (res > 0) checkReadTimeout(true);
return res;
}
public long transferFrom(
final StreamSourceChannel source, final long count, final ByteBuffer throughBuffer)
throws IOException {
if (allAreSet(state, WRITE_SHUTDOWN)) {
throw new ClosedChannelException();
}
if (count == 0L) return 0L;
final long res;
checkWriteTimeout(false);
if (Native.HAS_SPLICE && source instanceof NativeDescriptor) {
res =
Native.testAndThrowRead(
Native.transfer(((NativeDescriptor) source).fd, count, throughBuffer, fd));
if (Native.EXTRA_TRACE) log.tracef("Splice(%s -> %d): %d", source, fd, res);
} else {
res = Conduits.transfer(source, count, throughBuffer, this);
}
if (res == 0) state &= ~WRITE_READY;
if (res > 0) checkWriteTimeout(true);
return res;
}