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; } }