static void toHexString(String header, ByteBuffer buf) {
sb.delete(0, sb.length());
for (int index = 0; index < buf.limit(); index++) {
String hex = Integer.toHexString(0x0100 + (buf.get(index) & 0x00FF)).substring(1);
sb.append((hex.length() < 2 ? "0" : "") + hex + " ");
}
LOG.debug(
"hex->"
+ header
+ ": position,limit,capacity "
+ buf.position()
+ ","
+ buf.limit()
+ ","
+ buf.capacity());
LOG.debug("hex->" + sb.toString());
}
static boolean check(CharsetDecoder dec, byte[] bytes, boolean direct, int[] flow) {
int inPos = flow[0];
int inLen = flow[1];
int outPos = flow[2];
int outLen = flow[3];
int expedInPos = flow[4];
int expedOutPos = flow[5];
CoderResult expedCR = (flow[6] == 0) ? CoderResult.UNDERFLOW : CoderResult.OVERFLOW;
ByteBuffer bbf;
CharBuffer cbf;
if (direct) {
bbf = ByteBuffer.allocateDirect(inPos + bytes.length);
cbf = ByteBuffer.allocateDirect((outPos + outLen) * 2).asCharBuffer();
} else {
bbf = ByteBuffer.allocate(inPos + bytes.length);
cbf = CharBuffer.allocate(outPos + outLen);
}
bbf.position(inPos);
bbf.put(bytes).flip().position(inPos).limit(inPos + inLen);
cbf.position(outPos);
dec.reset();
CoderResult cr = dec.decode(bbf, cbf, false);
if (cr != expedCR || bbf.position() != expedInPos || cbf.position() != expedOutPos) {
System.out.printf("Expected(direct=%5b): [", direct);
for (int i : flow) System.out.print(" " + i);
System.out.println(
"] CR=" + cr + ", inPos=" + bbf.position() + ", outPos=" + cbf.position());
return false;
}
return true;
}
/**
* sends data from buffer.
*
* <p>precondition: sendbb is in put mode post condition: sendbb is in put mode
*/
private void sendFromBuffer() {
aa(this, isSender(), "nonsender can't write");
aa(this, isConnected() || isClosurePending(), "needs to be established can't write");
// switch sendbb to get mode
sendbb.flip();
p(this, 3, "Sending from buffer. bb flipped.");
int payloadLength = Math.min(Transport.MAX_PAYLOAD_SIZE, sendbb.limit());
p(this, 4, "Max Payload size: " + Transport.MAX_PAYLOAD_SIZE);
p(this, 4, "payloadlen: " + payloadLength);
dumpState(4);
if (roomForPacket(payloadLength) && payloadLength > 0) {
byte[] payload = new byte[payloadLength];
sendbb.get(payload);
Transport t = makeTransport(Transport.DATA, seqNum, payload);
tcpMan.sendData(this.tsid, t);
p(this, 3, "Write: converting to packet: " + TCPManager.bytesToString(payload));
// only increment the seqNum if a packet is sent
seqNum += payloadLength;
}
// switch back to put mode
sendbb.compact();
dumpState(4);
if (isClosurePending() && sendbb.position() == 0) release();
}
static byte[] encode(char[] cc, Charset cs, boolean testDirect, Time t) throws Exception {
ByteBuffer bbf;
CharBuffer cbf;
CharsetEncoder enc = cs.newEncoder();
String csn = cs.name();
if (testDirect) {
bbf = ByteBuffer.allocateDirect(cc.length * 4);
cbf = ByteBuffer.allocateDirect(cc.length * 2).asCharBuffer();
cbf.put(cc).flip();
} else {
bbf = ByteBuffer.allocate(cc.length * 4);
cbf = CharBuffer.wrap(cc);
}
CoderResult cr = null;
long t1 = System.nanoTime() / 1000;
for (int i = 0; i < iteration; i++) {
cbf.rewind();
bbf.clear();
enc.reset();
cr = enc.encode(cbf, bbf, true);
}
long t2 = System.nanoTime() / 1000;
t.t = (t2 - t1) / iteration;
if (cr != CoderResult.UNDERFLOW) {
System.out.println("ENC-----------------");
int pos = cbf.position();
System.out.printf(" cr=%s, cbf.pos=%d, cc[pos]=%x%n", cr.toString(), pos, cc[pos] & 0xffff);
throw new RuntimeException("Encoding err: " + csn);
}
byte[] bb = new byte[bbf.position()];
bbf.flip();
bbf.get(bb);
return bb;
}
static void printBBInfo(ByteBuffer buf) {
LOG.debug(
"Info : position,limit,capacity "
+ buf.position()
+ ","
+ buf.limit()
+ ","
+ buf.capacity());
}
public NSOutputStream(ByteBuffer bytes) {
super((SkipInit) null);
if (bytes == null) {
throw new NullPointerException("bytes");
}
long handle = NSData.getEffectiveAddress(bytes) + bytes.position();
initObject(init(handle, bytes.remaining()));
addStrongRef(bytes);
}
private void recv(SocketChannel sc, ClientInfo ci) throws IOException {
ci.channel.read(ci.inBuf);
ByteBuffer tmpBuf = ci.inBuf.duplicate();
tmpBuf.flip();
int bytesProcessed = 0;
boolean doneLoop = false;
while (!doneLoop) {
byte b;
try {
b = tmpBuf.get();
} catch (BufferUnderflowException bue) {
// Processed all data in buffer
ci.inBuf.clear();
doneLoop = true;
break;
}
switch (b) {
case TypeServerConstants.WELCOME:
bytesProcessed++;
break;
case TypeServerConstants.GET_STRING_REQUEST:
bytesProcessed++;
if (ci.outputPending) {
// Client is backed up. We can't append to
// the byte buffer because it's in the wrong
// state. We could allocate another buffer
// here and change our send method to know
// about multiple buffers, but we'll just
// assume that the client is dead
break;
}
ci.outBuf.put(TypeServerConstants.GET_STRING_RESPONSE);
ByteBuffer strBuf = encoder.encode(testString);
ci.outBuf.putShort((short) strBuf.remaining());
ci.outBuf.put(strBuf);
ci.outBuf.flip();
send(sc, ci);
break;
case TypeServerConstants.GET_STRING_RESPONSE:
int startPos = tmpBuf.position();
try {
int nBytes = tmpBuf.getInt();
byte[] buf = new byte[nBytes];
tmpBuf.get(buf);
bytesProcessed += buf.length + 5;
String s = new String(buf);
// Send the string to the GUI
break;
} catch (BufferUnderflowException bue) {
// Processed all available data
ci.inBuf.position(ci.inBuf.position() + bytesProcessed);
doneLoop = true;
}
break;
}
}
}
/** {@inheritDoc} */
@Nullable
@Override
public GridClientMessage decode(GridNioSession ses, ByteBuffer buf)
throws IOException, GridException {
ParserState state = ses.removeMeta(PARSER_STATE_META_NAME);
if (state == null) state = new ParserState();
PacketType type = state.packetType();
if (type == null) {
byte hdr = buf.get(buf.position());
switch (hdr) {
case MEMCACHE_REQ_FLAG:
state.packet(new GridTcpRestPacket());
state.packetType(PacketType.MEMCACHE);
break;
case GRIDGAIN_REQ_FLAG:
// Skip header.
buf.get();
state.packetType(PacketType.GRIDGAIN);
break;
default:
throw new IOException(
"Failed to parse incoming packet (invalid packet start) [ses="
+ ses
+ ", b="
+ Integer.toHexString(hdr & 0xFF)
+ ']');
}
}
GridClientMessage result = null;
switch (state.packetType()) {
case MEMCACHE:
result = parseMemcachePacket(ses, buf, state);
break;
case GRIDGAIN:
result = parseCustomPacket(ses, buf, state);
break;
}
if (result == null)
// Packet was not fully parsed yet.
ses.addMeta(PARSER_STATE_META_NAME, state);
return result;
}
/**
* Constructs a record instance from the given {@link java.nio.ByteBuffer}. The buffer's current
* position must be the start of the record, and will be the start of the next record when the
* constructor returns.
*
* @param shapeFile the parent {@link Shapefile}.
* @param buffer the shapefile record {@link java.nio.ByteBuffer} to read from.
* @throws IllegalArgumentException if any argument is null or otherwise invalid.
* @throws gov.nasa.worldwind.exception.WWRuntimeException if the record's shape type does not
* match that of the shapefile.
*/
public ShapefileRecord(Shapefile shapeFile, ByteBuffer buffer) {
if (shapeFile == null) {
String message = Logging.getMessage("nullValue.ShapefileIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (buffer == null) {
String message = Logging.getMessage("nullValue.BufferIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
// Save the buffer's current position.
int pos = buffer.position();
try {
this.readFromBuffer(shapeFile, buffer);
} finally {
// Move to the end of the record.
buffer.position(pos + this.contentLengthInBytes + RECORD_HEADER_LENGTH);
}
}
/** Initiate closure of a connection (graceful shutdown) */
public void close() {
p(this, 3, "Close()");
switch (sockType) {
case SENDER:
state = State.SHUTDOWN;
if (sendbb.position() == 0) release();
break;
case RECEIVER:
release();
break;
case WELCOME:
release();
}
}
protected synchronized Message receiveMessage() throws IOException {
if (messageBuffer.size() > 0) {
Message m = (Message) messageBuffer.get(0);
messageBuffer.remove(0);
return m;
}
try {
InetSocketAddress remoteAddress = (InetSocketAddress) channel.receive(receiveBuffer);
if (remoteAddress != null) {
int len = receiveBuffer.position();
receiveBuffer.rewind();
receiveBuffer.get(buf, 0, len);
try {
IP address = IP.fromInetAddress(remoteAddress.getAddress());
int port = remoteAddress.getPort();
extractor.appendData(buf, 0, len, new SocketDescriptor(address, port));
receiveBuffer.clear();
extractor.updateAvailableMessages();
return extractor.nextMessage();
} catch (EOFException exc) {
exc.printStackTrace();
System.err.println(buf.length + ", " + len);
} catch (InvocationTargetException exc) {
exc.printStackTrace();
} catch (IllegalAccessException exc) {
exc.printStackTrace();
} catch (InstantiationException exc) {
exc.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InvalidCompressionMethodException e) {
e.printStackTrace();
}
}
} catch (ClosedChannelException exc) {
if (isKeepAlive()) {
throw exc;
}
}
return null;
}
static char[] decode(byte[] bb, Charset cs, boolean testDirect, Time t) throws Exception {
String csn = cs.name();
CharsetDecoder dec = cs.newDecoder();
ByteBuffer bbf;
CharBuffer cbf;
if (testDirect) {
bbf = ByteBuffer.allocateDirect(bb.length);
cbf = ByteBuffer.allocateDirect(bb.length * 2).asCharBuffer();
bbf.put(bb);
} else {
bbf = ByteBuffer.wrap(bb);
cbf = CharBuffer.allocate(bb.length);
}
CoderResult cr = null;
long t1 = System.nanoTime() / 1000;
for (int i = 0; i < iteration; i++) {
bbf.rewind();
cbf.clear();
dec.reset();
cr = dec.decode(bbf, cbf, true);
}
long t2 = System.nanoTime() / 1000;
t.t = (t2 - t1) / iteration;
if (cr != CoderResult.UNDERFLOW) {
System.out.println("DEC-----------------");
int pos = bbf.position();
System.out.printf(
" cr=%s, bbf.pos=%d, bb[pos]=%x,%x,%x,%x%n",
cr.toString(),
pos,
bb[pos++] & 0xff,
bb[pos++] & 0xff,
bb[pos++] & 0xff,
bb[pos++] & 0xff);
throw new RuntimeException("Decoding err: " + csn);
}
char[] cc = new char[cbf.position()];
cbf.flip();
cbf.get(cc);
return cc;
}
private synchronized DBMessage go(DBMessage msg, ByteDecoder decoder) throws IOException {
if (_sock == null) _open();
{
ByteBuffer out = msg.prepare();
while (out.remaining() > 0) _sock.write(out);
}
if (_pool != null) _pool._everWorked = true;
if (decoder == null) return null;
ByteBuffer response = decoder._buf;
if (response.position() != 0) throw new IllegalArgumentException();
int read = 0;
while (read < DBMessage.HEADER_LENGTH) read += _read(response);
int len = response.getInt(0);
if (len <= DBMessage.HEADER_LENGTH)
throw new IllegalArgumentException("db sent invalid length: " + len);
if (len > response.capacity())
throw new IllegalArgumentException(
"db message size is too big (" + len + ") " + "max is (" + response.capacity() + ")");
response.limit(len);
while (read < len) read += _read(response);
if (read != len) throw new RuntimeException("something is wrong");
response.flip();
return new DBMessage(response);
}
/**
* method to extract the next monitor entry from the instrumentation memory. assumes that
* nextEntry is the offset into the byte array at which to start the search for the next entry.
* method leaves next entry pointing to the next entry or to the end of data.
*/
protected Monitor getNextMonitorEntry() throws MonitorException {
Monitor monitor = null;
// entries are always 4 byte aligned.
if ((nextEntry % 4) != 0) {
throw new MonitorStructureException("Entry index not properly aligned: " + nextEntry);
}
// protect against a corrupted shared memory region.
if ((nextEntry < 0) || (nextEntry > buffer.limit())) {
throw new MonitorStructureException(
"Entry index out of bounds: nextEntry = " + nextEntry + ", limit = " + buffer.limit());
}
// check for the end of the buffer
if (nextEntry == buffer.limit()) {
lognl("getNextMonitorEntry():" + " nextEntry == buffer.limit(): returning");
return null;
}
buffer.position(nextEntry);
int entryStart = buffer.position();
int entryLength = buffer.getInt();
// check for valid entry length
if ((entryLength < 0) || (entryLength > buffer.limit())) {
throw new MonitorStructureException("Invalid entry length: entryLength = " + entryLength);
}
// check if last entry occurs before the eof.
if ((entryStart + entryLength) > buffer.limit()) {
throw new MonitorStructureException(
"Entry extends beyond end of buffer: "
+ " entryStart = "
+ entryStart
+ " entryLength = "
+ entryLength
+ " buffer limit = "
+ buffer.limit());
}
if (entryLength == 0) {
// end of data
return null;
}
int nameLength = buffer.getInt();
int vectorLength = buffer.getInt();
byte dataType = buffer.get();
byte flags = buffer.get();
Units u = Units.toUnits(buffer.get());
Variability v = Variability.toVariability(buffer.get());
boolean supported = (flags & 0x01) != 0;
// defend against corrupt entries
if ((nameLength <= 0) || (nameLength > entryLength)) {
throw new MonitorStructureException("Invalid Monitor name length: " + nameLength);
}
if ((vectorLength < 0) || (vectorLength > entryLength)) {
throw new MonitorStructureException("Invalid Monitor vector length: " + vectorLength);
}
// read in the perfData item name, casting bytes to chars. skip the
// null terminator
//
byte[] nameBytes = new byte[nameLength - 1];
for (int i = 0; i < nameLength - 1; i++) {
nameBytes[i] = buffer.get();
}
// convert name into a String
String name = new String(nameBytes, 0, nameLength - 1);
if (v == Variability.INVALID) {
throw new MonitorDataException(
"Invalid variability attribute:" + " entry index = " + perfDataItem + " name = " + name);
}
if (u == Units.INVALID) {
throw new MonitorDataException(
"Invalid units attribute: " + " entry index = " + perfDataItem + " name = " + name);
}
int offset;
if (vectorLength == 0) {
// scalar Types
if (dataType == BasicType.LONG.intValue()) {
offset = entryStart + entryLength - 8; /* 8 = sizeof(long) */
buffer.position(offset);
LongBuffer lb = buffer.asLongBuffer();
lb.limit(1);
monitor = new PerfLongMonitor(name, u, v, supported, lb);
perfDataItem++;
} else {
// bad data types.
throw new MonitorTypeException(
"Invalid Monitor type:"
+ " entry index = "
+ perfDataItem
+ " name = "
+ name
+ " type = "
+ dataType);
}
} else {
// vector types
if (dataType == BasicType.BYTE.intValue()) {
if (u != Units.STRING) {
// only byte arrays of type STRING are currently supported
throw new MonitorTypeException(
"Invalid Monitor type:"
+ " entry index = "
+ perfDataItem
+ " name = "
+ name
+ " type = "
+ dataType);
}
offset = entryStart + PERFDATA_NAME_OFFSET + nameLength;
buffer.position(offset);
ByteBuffer bb = buffer.slice();
bb.limit(vectorLength);
bb.position(0);
if (v == Variability.CONSTANT) {
monitor = new PerfStringConstantMonitor(name, supported, bb);
} else if (v == Variability.VARIABLE) {
monitor = new PerfStringVariableMonitor(name, supported, bb, vectorLength - 1);
} else {
// Monotonically increasing byte arrays are not supported
throw new MonitorDataException(
"Invalid variability attribute:"
+ " entry index = "
+ perfDataItem
+ " name = "
+ name
+ " variability = "
+ v);
}
perfDataItem++;
} else {
// bad data types.
throw new MonitorTypeException(
"Invalid Monitor type:"
+ " entry index = "
+ perfDataItem
+ " name = "
+ name
+ " type = "
+ dataType);
}
}
// setup index to next entry for next iteration of the loop.
nextEntry = entryStart + entryLength;
return monitor;
}
public static TableInFirstNS getRootAsTableInFirstNS(ByteBuffer _bb, TableInFirstNS obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}
public static Monster getRootAsMonster(ByteBuffer _bb, Monster obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}
public static PathSELinuxGetLabelRequest getRootAsPathSELinuxGetLabelRequest(
ByteBuffer _bb, PathSELinuxGetLabelRequest obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}
public static FileCloseResponse getRootAsFileCloseResponse(
ByteBuffer _bb, FileCloseResponse obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}
private int _read(ByteBuffer buf) throws IOException {
int x = _in.read(buf.array(), buf.position(), buf.remaining());
if (x < 0) throw new IOException("connection to server closed unexpectedly");
buf.position(buf.position() + x);
return x;
}
public static SetKernelRequest getRootAsSetKernelRequest(ByteBuffer _bb) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (new SetKernelRequest()).__init(_bb.getInt(_bb.position()) + _bb.position(), _bb);
}
public long write(ByteBuffer bytes) {
long handle = NSData.getEffectiveAddress(bytes) + bytes.position();
return write(handle, bytes.remaining());
}
public static MbGetInstalledRomsResponse getRootAsMbGetInstalledRomsResponse(
ByteBuffer _bb, MbGetInstalledRomsResponse obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}
public static Stat getRootAsStat(ByteBuffer _bb, Stat obj) {
_bb.order(ByteOrder.LITTLE_ENDIAN);
return (obj.__init(_bb.getInt(_bb.position()) + _bb.position(), _bb));
}