private int readSocket(byte[] buf, int pos, int n, boolean block) throws IOException {
int nRead = 0;
ByteBuffer readBuffer = socketWrapper.getSocket().getBufHandler().getReadBuffer();
readBuffer.clear();
readBuffer.limit(n);
if (block) {
Selector selector = null;
try {
selector = pool.get();
} catch (IOException x) {
// Ignore
}
try {
NioEndpoint.KeyAttachment att =
(NioEndpoint.KeyAttachment) socketWrapper.getSocket().getAttachment(false);
if (att == null) throw new IOException("Key must be cancelled.");
nRead = pool.read(readBuffer, socketWrapper.getSocket(), selector, att.getTimeout());
} catch (EOFException eof) {
nRead = -1;
} finally {
if (selector != null) pool.put(selector);
}
} else {
nRead = socketWrapper.getSocket().read(readBuffer);
}
if (nRead > 0) {
readBuffer.flip();
readBuffer.limit(nRead);
readBuffer.get(buf, pos, nRead);
return nRead;
} else if (nRead == -1) {
// return false;
throw new EOFException(sm.getString("iib.eof.error"));
} else {
return 0;
}
}
