public synchronized int writenonblock(ByteList buf) throws IOException, BadDescriptorException {
checkWritable();
ensureWrite();
// Ruby ignores empty syswrites
if (buf == null || buf.length() == 0) return 0;
if (buffer.position() != 0 && !flushWrite(false)) return 0;
if (descriptor.getChannel() instanceof SelectableChannel) {
SelectableChannel selectableChannel = (SelectableChannel) descriptor.getChannel();
synchronized (selectableChannel.blockingLock()) {
boolean oldBlocking = selectableChannel.isBlocking();
try {
if (oldBlocking) {
selectableChannel.configureBlocking(false);
}
return descriptor.write(ByteBuffer.wrap(buf.getUnsafeBytes(), buf.begin(), buf.length()));
} finally {
if (oldBlocking) {
selectableChannel.configureBlocking(oldBlocking);
}
}
}
} else {
// can't set nonblocking, so go ahead with it...not much else we can do
return descriptor.write(ByteBuffer.wrap(buf.getUnsafeBytes(), buf.begin(), buf.length()));
}
}
/**
* @throws IOException
* @throws BadDescriptorException
*/
private int bufferedWrite(int c) throws IOException, BadDescriptorException {
checkWritable();
ensureWrite();
if (!buffer.hasRemaining()) flushWrite();
buffer.put((byte) c);
if (isSync()) flushWrite();
return 1;
}
/**
* @throws IOException
* @throws BadDescriptorException
*/
private int bufferedWrite(ByteBuffer buf) throws IOException, BadDescriptorException {
checkWritable();
ensureWrite();
// Ruby ignores empty syswrites
if (buf == null || !buf.hasRemaining()) return 0;
final int nbytes = buf.remaining();
if (nbytes >= buffer.capacity()) { // Doesn't fit in buffer. Write immediately.
flushWrite(); // ensure nothing left to write
descriptor.write(buf);
// TODO: check the return value here
} else {
if (nbytes > buffer.remaining()) flushWrite();
buffer.put(buf);
}
if (isSync()) flushWrite();
return nbytes - buf.remaining();
}
/**
* @throws IOException
* @throws BadDescriptorException
*/
private int bufferedWrite(ByteList buf) throws IOException, BadDescriptorException {
checkWritable();
ensureWrite();
// Ruby ignores empty syswrites
if (buf == null || buf.length() == 0) return 0;
if (buf.length() > buffer.capacity()) { // Doesn't fit in buffer. Write immediately.
flushWrite(); // ensure nothing left to write
int n = descriptor.write(ByteBuffer.wrap(buf.getUnsafeBytes(), buf.begin(), buf.length()));
if (n != buf.length()) {
// TODO: check the return value here
}
} else {
if (buf.length() > buffer.remaining()) flushWrite();
buffer.put(buf.getUnsafeBytes(), buf.begin(), buf.length());
}
if (isSync()) flushWrite();
return buf.getRealSize();
}
