Java Code Examples for org.apache.mina.core.buffer.IoBuffer#getInt()
The following examples show how to use
org.apache.mina.core.buffer.IoBuffer#getInt() .
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Example 1
| Source File: BinaryProtocol.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
@Override
public Object decodeMessage ( final DataMessage message ) throws Exception
{
final IoBuffer data = message.getData ();
// we only peek
final int messageCode = data.getInt ( 0 );
logger.trace ( "Decoding message: {}", messageCode );
final BinaryMessageCodec codec = this.codeMap.get ( messageCode );
if ( codec == null )
{
throw new IllegalStateException ( String.format ( "Unable to decode unknown message code: 0x%08x", messageCode ) );
}
return codec.decodeMessage ( this.context, data );
}
Example 2
| Source File: MinaCodecAdapter.java From JobX with Apache License 2.0 | 6 votes |
|
@Override
public boolean doDecode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws Exception {
if (in.limit() <= 0 || in.remaining() < Constants.HEADER_SIZE) {
return false;
}
in.mark();
int dataLength = in.getInt();
if (in.remaining() < dataLength) {
//logger.warn("[JobX]serializer error!body length < {}", dataLength);
in.reset();
return false;
}
byte[] data = new byte[dataLength];
in.get(data);
Object obj = serializer.deserialize(data,type);
out.write(obj);
return true;
}
Example 3
| Source File: ProtocolDecoderImpl.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
private boolean processWriteResult ( final IoSession session, final IoBuffer data, final ProtocolDecoderOutput out ) throws ProtocolCodecException
{
final int len = messageLength ( data );
if ( len < 0 )
{
return false;
}
try
{
final int operationId = data.getInt ();
final int errorCode = data.getUnsignedShort ();
final String errorMessage = decodeString ( session, data );
out.write ( new WriteResult ( operationId, errorCode, errorMessage ) );
}
catch ( final CharacterCodingException e )
{
throw new ProtocolCodecException ( e );
}
return true;
}
Example 4
| Source File: ProtocolDecoderImpl.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
private boolean processWriteCommand ( final IoSession session, final IoBuffer data, final ProtocolDecoderOutput out ) throws ProtocolCodecException
{
final int len = messageLength ( data );
if ( len < 0 )
{
return false;
}
final int registerNumber = data.getUnsignedShort ();
final int operationId = data.getInt ();
final Variant value = decodeVariant ( session, data );
out.write ( new WriteCommand ( registerNumber, value, operationId ) );
return true;
}
Example 5
| Source File: DefaultBinaryContext.java From neoscada with Eclipse Public License 1.0 | 6 votes |
|
private <T extends Collection<Double>> T decodeDoubleCollection ( final IoBuffer buffer, final CollectionAllocator<Double, T> allactor ) throws Exception
{
final byte type = checkType ( buffer, TYPE_DOUBLE_LIST, true );
if ( type == TYPE_NULL )
{
return null;
}
else
{
final int items = buffer.getInt ();
final T result = allactor.allocate ( items );
fillDoubleCollection ( buffer, items, result );
return result;
}
}
Example 6
| Source File: ByteArrayFieldTypeHandler.java From CXTouch with GNU General Public License v3.0 | 6 votes |
|
@Override
public byte[] decode(IoBuffer inBuffer) {
if (inBuffer.remaining() < 4) {
return null;
}
inBuffer.mark();
int length = inBuffer.getInt();
if (inBuffer.remaining() < length) {
inBuffer.reset();
return null;
}
byte[] bytes = new byte[length];
inBuffer.get(bytes);
return bytes;
}
Example 7
| Source File: TestTupleDecoder.java From streamsx.topology with Apache License 2.0 | 5 votes |
|
/**
* Decode bytes an attribute at a time, once enough information exists to
* maintain a tuple This code maintains state in the session as attributes,
* namely:
* <UL>
* <LI>tuple - The partially initialized tuple to be sent to the next
* handler in the chain.
* <LI>attributeIndex - The next attribute to be decoded
* </UL>
*/
@Override
protected boolean doDecode(IoSession session, IoBuffer in,
ProtocolDecoderOutput out) throws Exception {
Integer testerId = null;
if (!session.containsAttribute("testerId")) {
if (in.remaining() < 4)
return false;
testerId = in.getInt();
}
if (!in.prefixedDataAvailable(4)) {
if (testerId != null)
session.setAttribute("testerId", testerId);
return false;
}
if (testerId == null) {
testerId = (Integer) session.removeAttribute("testerId");
}
int tupleLength = in.getInt();
byte[] tupleData = new byte[tupleLength];
in.get(tupleData);
out.write(new TestTuple(testerId, tupleData));
return in.remaining() >= 4;
}
Example 8
| Source File: EventPoolStatusUpdate.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ae.data.message.EventPoolStatusUpdate decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
String eventPoolId = null;
org.eclipse.scada.core.data.SubscriptionState state = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
eventPoolId = _context.decodeString ( _data );
}
break;
case 2:
{
state = _context.decodeEnum ( _data, org.eclipse.scada.core.data.SubscriptionState.class );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ae.data.message.EventPoolStatusUpdate ( eventPoolId, state );
}
Example 9
| Source File: AcknowledgeResponse.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ae.data.message.AcknowledgeResponse decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
org.eclipse.scada.core.data.Response response = null;
org.eclipse.scada.core.data.ErrorInformation errorInformation = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
response = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeResponse ( _context, _data, false );
}
break;
case 2:
{
errorInformation = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeErrorInformation ( _context, _data, true );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ae.data.message.AcknowledgeResponse ( response, errorInformation );
}
Example 10
| Source File: GetFactoryWithDataRequest.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ca.data.message.GetFactoryWithDataRequest decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
org.eclipse.scada.core.data.Request request = null;
String factoryId = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
request = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeRequest ( _context, _data, false );
}
break;
case 2:
{
factoryId = _context.decodeString ( _data );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ca.data.message.GetFactoryWithDataRequest ( request, factoryId );
}
Example 11
| Source File: ApplyDiffResponse.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ca.data.message.ApplyDiffResponse decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
org.eclipse.scada.core.data.Response response = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
response = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeResponse ( _context, _data, false );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ca.data.message.ApplyDiffResponse ( response );
}
Example 12
| Source File: UnsubscribeEventPool.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ae.data.message.UnsubscribeEventPool decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
String eventPoolId = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
eventPoolId = _context.decodeString ( _data );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ae.data.message.UnsubscribeEventPool ( eventPoolId );
}
Example 13
| Source File: SumkProtocolDecoder.java From sumk with Apache License 2.0 | 4 votes |
|
protected boolean innerDecode(IoSession session, IoBuffer in, ProtocolDecoderOutput out)
throws CharacterCodingException, ProtocolDecoderException {
int protocol = in.getInt();
if ((protocol & 0xFF000000) != Protocols.MAGIC) {
if (Logs.rpc().isTraceEnabled()) {
Logs.rpc().trace(in.getString(Profile.UTF8.newDecoder()));
}
throw new ProtocolDecoderException("error magic," + Integer.toHexString(protocol));
}
int prefixLength = 0, maxDataLength = 0;
if ((protocol & Protocols.ONE) != 0) {
prefixLength = 1;
maxDataLength = 0xFF;
} else if ((protocol & Protocols.TWO) != 0) {
prefixLength = 2;
maxDataLength = 0xFFFF;
} else if ((protocol & Protocols.FOUR) != 0) {
prefixLength = 4;
maxDataLength = Protocols.MAX_LENGTH;
} else {
if (AppInfo.getBoolean("sumk.rpc.log.code.error", true)) {
Logs.rpc().error("error byte length protocol," + Integer.toHexString(protocol));
}
throw new ProtocolDecoderException("error byte length protocol," + Integer.toHexString(protocol));
}
if (in.remaining() < prefixLength) {
return false;
}
int dataSize = 0;
switch (prefixLength) {
case 1:
dataSize = in.getUnsigned();
break;
case 2:
dataSize = in.getUnsignedShort();
break;
case 4:
dataSize = in.getInt();
break;
}
if (dataSize < 0 || dataSize > maxDataLength) {
throw new BufferDataException("dataLength: " + dataSize);
}
if (in.remaining() < dataSize) {
return false;
}
byte[] bs = new byte[dataSize];
in.get(bs);
out.write(new ProtocolObject(protocol, bs));
return true;
}
Example 14
| Source File: ErrorResponse.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ca.data.message.ErrorResponse decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
org.eclipse.scada.core.data.Response response = null;
org.eclipse.scada.core.data.ErrorInformation errorInformation = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
response = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeResponse ( _context, _data, false );
}
break;
case 2:
{
errorInformation = org.eclipse.scada.core.protocol.ngp.codec.Structures.decodeErrorInformation ( _context, _data, false );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ca.data.message.ErrorResponse ( response, errorInformation );
}
Example 15
| Source File: ProtobufDecoder.java From gameserver with Apache License 2.0 | 4 votes |
|
/**
* Decode the XinqiMessage from byte array.
* @param in
* @return
* @throws InvalidProtocolBufferException
*/
public static final XinqiMessage decodeXinqiMessage(IoBuffer in)
throws InvalidProtocolBufferException {
// Make sure all the header bytes are ready.
if ( !in.prefixedDataAvailable(HEADER_LENGTH, MAX_LENGTH) ) {
return null;
}
int length = in.getInt() - 6;
int type = in.getShort();
XinqiMessage message = new XinqiMessage();
//XinqiMessage
message.type = type;
message.index = in.getInt();
byte[] array = new byte[length];
in.get(array);
if ( log.isDebugEnabled() ) {
log.debug("length:"+length+", type:"+message.type+", index:"+message.index);
}
MessageLite request = IdToMessage.idToMessage(message.type);
if ( request == null ) {
if ( log.isWarnEnabled() ) {
log.warn("No id found for message type. return empty message. ");
}
//Note: return an empty message rather than null so that
//next messages can be parsed.
return message;
}
request = request.newBuilderForType().mergeFrom(array).build();
// in.skip(length);
if ( log.isDebugEnabled() ) {
log.debug("DecodedMessage:"+request.getClass().getName()+"[\n"+request+"]");
}
message.payload = request;
if ( log.isDebugEnabled() ) {
log.debug("XinqiMessage:[\n"+message.toString()+"]");
}
return message;
}
Example 16
| Source File: ListUpdate.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.hd.data.message.ListUpdate decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
java.util.Set<org.eclipse.scada.hd.data.HistoricalItemInformation> addedOrModified = null;
java.util.Set<String> removed = null;
boolean fullUpdate = false;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
addedOrModified = org.eclipse.scada.hd.protocol.ngp.codec.Structures.decodeSetHistoricalItemInformation ( _context, _data, true );
}
break;
case 2:
{
removed = _context.decodeStringSet ( _data );
}
break;
case 3:
{
fullUpdate = _context.decodePrimitiveBoolean ( _data );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.hd.data.message.ListUpdate ( addedOrModified, removed, fullUpdate );
}
Example 17
| Source File: FrameDecoder.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
protected boolean doDecode ( final IoSession session, final IoBuffer data, final ProtocolDecoderOutput output ) throws Exception
{
logger.trace ( "decode data - session: {}, data: {}", session, data );
if ( data.remaining () < HEADER_SIZE )
{
return false;
}
final int position = data.position ();
final byte version = data.get ( position ); // peek at version
if ( version != 0x01 )
{
throw new IllegalStateException ( String.format ( "Version 0x%02x is not supported.", version ) );
}
final int frameTypeOrdinal = data.get ( position + 1 ); // peek at frame type
final FrameType frameType = FrameType.values ()[frameTypeOrdinal]; // may case an exception, that is ok then
final int dataLength = data.getInt ( position + 2 ); // we need to look at "here" + 2
logger.trace ( "Data length: {}, remainingData: {}", dataLength, data.remaining () - 6 );
if ( data.remaining () < HEADER_SIZE + dataLength )
{
return false;
}
// consume fields
data.get (); // version - #0
data.get (); // frame type - #1
data.getInt (); // dataLength - #2
// data - #6
final IoBuffer frameData = data.getSlice ( dataLength ); // this also consumes the buffer 'data'
final Frame frame = new Frame ( frameType, frameData );
logger.trace ( "Decoded frame: {} ... {} bytes remaining", frame, data.remaining () );
output.write ( frame );
return true;
}
Example 18
| Source File: SubscribeFolder.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.da.data.message.SubscribeFolder decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
java.util.List<String> location = null;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
location = _context.decodeStringList ( _data );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.da.data.message.SubscribeFolder ( location );
}
Example 19
| Source File: MessageUtil.java From CXTouch with GNU General Public License v3.0 | 4 votes |
|
public static String readString(IoBuffer buffer, LengthType lenType, CharsetDecoder decoder) throws NoArrayException {
int length;
int remain = buffer.remaining();
buffer.mark();
if (lenType == LengthType.INT) {
if (remain < 4) {
buffer.reset();
throw new NoArrayException();
}
length = buffer.getInt();
} else if(lenType == LengthType.SHORT) {
if (remain < 2) {
buffer.reset();
throw new NoArrayException();
}
length = buffer.getShort();
} else if (lenType == LengthType.BYTE) {
if (remain < 1) {
buffer.reset();
throw new NoArrayException();
}
length = buffer.get();
} else {
buffer.reset();
throw new IllegalArgumentException("Illegal type:" + lenType);
}
if (length < 0) {
return null;
} if (length == 0) {
return "";
} else {
if (buffer.remaining() < length) {
buffer.reset();
throw new NoArrayException();
}
try {
return buffer.getString(length, decoder);
} catch (CharacterCodingException e) {
throw new RuntimeException("Reading string failed:" + e.getMessage(), e);
}
}
}
Example 20
| Source File: LoadMore.java From neoscada with Eclipse Public License 1.0 | 4 votes |
|
@Override
public org.eclipse.scada.ae.data.message.LoadMore decodeMessage ( final BinaryContext _context, final IoBuffer _data ) throws Exception
{
// message code
{
final int messageCode = _data.getInt ();
if ( messageCode != MESSAGE_CODE )
{
throw new IllegalStateException ( String.format ( "Expected messageCode %s but found %s", MESSAGE_CODE, messageCode ) );
}
}
final byte numberOfFields = _data.get ();
// decode attributes
long queryId = 0L;
int count = 0;
logger.trace ( "Decoding {} fields", numberOfFields );
for ( int i = 0; i < numberOfFields; i++ )
{
final byte fieldNumber = _data.get ();
switch ( fieldNumber )
{
case 1:
{
queryId = _context.decodePrimitiveLong ( _data );
}
break;
case 2:
{
count = _context.decodePrimitiveInt ( _data );
}
break;
default:
logger.warn ( "Received unknown field number: {}", fieldNumber );
break;
}
}
// create object
return new org.eclipse.scada.ae.data.message.LoadMore ( queryId, count );
}
