@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf)
throws Exception {
char marker = (char) buf.getByte(buf.readerIndex());
while (marker != '*' && marker != '$' && buf.readableBytes() > 0) {
buf.skipBytes(1);
if (buf.readableBytes() > 0) {
marker = (char) buf.getByte(buf.readerIndex());
}
}
if (marker == '*') {
// Return text message
int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '#');
if (index != -1) {
return buf.readBytes(index + 1 - buf.readerIndex());
}
} else if (marker == '$' && buf.readableBytes() >= MESSAGE_LENGTH) {
// Return binary message
return buf.readBytes(MESSAGE_LENGTH);
}
return null;
}
/*
* (non-Javadoc)
*
* @see
* org.jboss.netty.handler.codec.oneone.OneToOneDecoder#decode(org.jboss
* .netty.channel.ChannelHandlerContext, org.jboss.netty.channel.Channel,
* java.lang.Object)
*/
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
Message message = (Message) msg;
long commandId = ((Long) message.getHeader().getCommandId()).longValue();
if (packetType.getCommandId() != commandId) return msg;
ReportRequestMessage requestMessage = new ReportRequestMessage();
requestMessage.setHeader(message.getHeader());
requestMessage.setBodyBuffer(message.getBodyBuffer());
ChannelBuffer bodyBuffer = ChannelBuffers.copiedBuffer(message.getBodyBuffer());
requestMessage.setSequenceNumber(
DefaultSequenceNumberUtil.bytes2SequenceN(
bodyBuffer.readBytes(ReportRequest.SUBMITSEQUENCENUMBER.getLength()).array()));
requestMessage.setReporttype(bodyBuffer.readUnsignedByte());
requestMessage.setUsernumber(
bodyBuffer
.readBytes(ReportRequest.USERNUMBER.getLength())
.toString(GlobalVars.defaultTransportCharset));
requestMessage.setState(bodyBuffer.readUnsignedByte());
requestMessage.setErrorcode(bodyBuffer.readUnsignedByte());
requestMessage.setReserve(
bodyBuffer
.readBytes(ReportRequest.RESERVE.getLength())
.toString(GlobalVars.defaultTransportCharset));
return requestMessage;
}
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer, DecodingState state)
throws Exception {
switch (state) {
case COMMAND_LENGTH:
commandLength = buffer.readInt();
checkpoint(DecodingState.COMMAND);
case COMMAND:
byte[] commandBytes = new byte[commandLength];
buffer.readBytes(commandBytes, 0, commandLength);
String commandJson = new String(commandBytes, CharsetUtil.UTF_8);
command = gson.fromJson(commandJson, EuchreCommand.class);
checkpoint(DecodingState.PAYLOAD_LENGTH);
case PAYLOAD_LENGTH:
payloadLength = buffer.readInt();
checkpoint(DecodingState.PAYLOAD);
case PAYLOAD:
byte[] payloadBytes = new byte[payloadLength];
buffer.readBytes(payloadBytes, 0, payloadLength);
payload = new String(payloadBytes, CharsetUtil.UTF_8);
}
try {
return new CommandPayloadDecodedModel(command, payload);
} finally {
reset();
}
}
/**
* @param headerLength
* @param middleLength
* @param endLength
* @param buf
* @return the new AuthentPacket from buffer
* @throws OpenR66ProtocolPacketException
*/
public static AuthentPacket createFromBuffer(
int headerLength, int middleLength, int endLength, ChannelBuffer buf)
throws OpenR66ProtocolPacketException {
if (headerLength - 1 <= 0) {
throw new OpenR66ProtocolPacketException("Not enough data");
}
if (middleLength <= 0) {
throw new OpenR66ProtocolPacketException("Not enough data");
}
if (endLength < 5) {
throw new OpenR66ProtocolPacketException("Not enough data");
}
final byte[] bheader = new byte[headerLength - 1];
final byte[] bmiddle = new byte[middleLength];
if (headerLength - 1 > 0) {
buf.readBytes(bheader);
}
if (middleLength > 0) {
buf.readBytes(bmiddle);
}
// end part
Integer newId = buf.readInt();
byte valid = buf.readByte();
String version =
R66Versions.V2_4_12.getVersion(); // first base reference where it is unacceptable
if (endLength > 5) {
// version
byte[] bversion = new byte[endLength - 5];
buf.readBytes(bversion);
version = new String(bversion);
}
final String sheader = new String(bheader);
return new AuthentPacket(sheader, bmiddle, newId, valid, version);
}
/**
* Handles a received {@link MBeanServerConnection} invocation
*
* @param channel The channel the request was received on
* @param remoteAddress The remote address of the caller
* @param buffer THe buffer received
*/
public static void handleJMXRequest(
Channel channel, SocketAddress remoteAddress, ChannelBuffer buffer) {
buffer.resetReaderIndex();
/* The request write */
// cb.writeByte(OpCode.JMX_REQUEST.op()); // 1
// cb.writeBytes(domainInfoData); // domain data
// cb.writeInt(reqId); // 4
// cb.writeByte(methodToKey.get(method)); // 1
// cb.writeInt(sargs.length); // 4
// cb.writeBytes(sargs); // sargs.length
Object result = null;
MBeanServerConnection server = null;
buffer.skipBytes(1);
byte domainIndicator = buffer.readByte();
if (domainIndicator == 0) {
server = JMXHelper.getHeliosMBeanServer();
} else {
byte[] domainBytes = new byte[domainIndicator];
buffer.readBytes(domainBytes);
String domain = new String(domainBytes);
server = JMXHelper.getLocalMBeanServer(true, domain);
if (server == null) {
result = new SmallException("Failed to locate MBeanServer for domain [" + domain + "]");
}
}
int reqId = buffer.readInt();
byte methodId = buffer.readByte();
if (result == null) {
int payloadSize = buffer.readInt();
byte[] payload = new byte[payloadSize];
buffer.readBytes(payload);
Object[] params = getInput(payload);
Method targetMethod = null;
try {
targetMethod = keyToMethod.get(methodId);
if (targetMethod == null) {
result =
new SmallException(
"Failed to handle MBeanServerConnection invocation because method Op Code ["
+ methodId
+ "] was not recognized");
} else {
if ("addNotificationListener".equals(targetMethod.getName())
&& !targetMethod.getParameterTypes()[1].equals(ObjectName.class)) {
} else if ("removeNotificationListener".equals(targetMethod.getName())
&& !targetMethod.getParameterTypes()[1].equals(ObjectName.class)) {
} else {
result = targetMethod.invoke(server, params);
}
}
} catch (Throwable t) {
SimpleLogger.warn("Failed to invoke [", targetMethod, "]", t);
result = new SmallException(t.toString());
}
}
writeJMXResponse(reqId, methodId, channel, remoteAddress, result);
}
/**
* Reads the channel buffer and returns object of NodeAttributesTlv.
*
* @param c input channel buffer
* @param hLength length
* @return object of NodeAttributesTlv
* @throws PcepParseException if mandatory fields are missing
*/
public static PcepValueType read(ChannelBuffer c, short hLength) throws PcepParseException {
// Node Descriptor Sub-TLVs (variable)
List<PcepValueType> llNodeAttributesSubTLVs = new LinkedList<>();
ChannelBuffer tempCb = c.readBytes(hLength);
while (TLV_HEADER_LENGTH <= tempCb.readableBytes()) {
PcepValueType tlv;
short hType = tempCb.readShort();
int iValue = 0;
short length = tempCb.readShort();
switch (hType) {
case NodeFlagBitsSubTlv.TYPE:
byte cValue = tempCb.readByte();
tlv = new NodeFlagBitsSubTlv(cValue);
break;
case OpaqueNodePropertiesSubTlv.TYPE:
tlv = OpaqueNodePropertiesSubTlv.read(tempCb, length);
break;
case NodeNameSubTlv.TYPE:
tlv = NodeNameSubTlv.read(tempCb, length);
break;
case IsisAreaIdentifierSubTlv.TYPE:
tlv = IsisAreaIdentifierSubTlv.read(tempCb, length);
break;
case IPv4RouterIdOfLocalNodeSubTlv.TYPE:
iValue = tempCb.readInt();
tlv = new IPv4RouterIdOfLocalNodeSubTlv(iValue);
break;
case IPv6RouterIdofLocalNodeSubTlv.TYPE:
byte[] ipv6Value = new byte[IPv6RouterIdofLocalNodeSubTlv.VALUE_LENGTH];
tempCb.readBytes(ipv6Value, 0, IPv6RouterIdofLocalNodeSubTlv.VALUE_LENGTH);
tlv = new IPv6RouterIdofLocalNodeSubTlv(ipv6Value);
break;
default:
throw new PcepParseException("Unsupported Sub TLV type :" + hType);
}
// Check for the padding
int pad = length % 4;
if (0 < pad) {
pad = 4 - pad;
if (pad <= tempCb.readableBytes()) {
tempCb.skipBytes(pad);
}
}
llNodeAttributesSubTLVs.add(tlv);
}
if (0 < tempCb.readableBytes()) {
throw new PcepParseException("Sub Tlv parsing error. Extra bytes received.");
}
return new NodeAttributesTlv(llNodeAttributesSubTLVs);
}
private void readFixedLengthContent(ChannelBuffer buffer) {
long length = getContentLength(message);
assert length <= Integer.MAX_VALUE;
if (content == null) {
content = buffer.readBytes((int) length);
} else {
content.writeBytes(buffer.readBytes((int) length));
}
}
@Override
public EncryptionKeyRequestMessage decode(ChannelBuffer buffer) {
String sessionId = ChannelBufferUtils.readString(buffer);
int length = buffer.readShort() & 0xFFFF;
byte[] publicKey = new byte[length];
buffer.readBytes(publicKey);
int tokenLength = buffer.readShort() & 0xFFFF;
byte[] token = new byte[tokenLength];
buffer.readBytes(token);
return new EncryptionKeyRequestMessage(sessionId, false, publicKey, token);
}
public void readFrom(ChannelBuffer data) {
this.fieldId = data.readShort();
this.offset = data.readShort();
this.length = data.readShort();
data.readShort();
value = new byte[OFGlobal.OFP_MAX_FIELD_LENGTH_IN_BYTE];
data.readBytes(value);
mask = new byte[OFGlobal.OFP_MAX_FIELD_LENGTH_IN_BYTE];
data.readBytes(mask);
}
/**
* Reads from the channel buffer and parses AsPath.
*
* @param cb ChannelBuffer
* @return object of AsPath
* @throws BgpParseException while parsing AsPath
*/
public static AsPath read(ChannelBuffer cb) throws BgpParseException {
List<Short> aspathSet = new ArrayList<>();
List<Short> aspathSeq = new ArrayList<>();
ChannelBuffer tempCb = cb.copy();
Validation validation = Validation.parseAttributeHeader(cb);
if (cb.readableBytes() < validation.getLength()) {
Validation.validateLen(
BgpErrorType.UPDATE_MESSAGE_ERROR,
BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
validation.getLength());
}
// if fourth bit is set, length is read as short otherwise as byte , len includes type, length
// and value
int len =
validation.isShort()
? validation.getLength() + Constants.TYPE_AND_LEN_AS_SHORT
: validation.getLength() + Constants.TYPE_AND_LEN_AS_BYTE;
ChannelBuffer data = tempCb.readBytes(len);
if (validation.getFirstBit() && !validation.getSecondBit() && validation.getThirdBit()) {
throw new BgpParseException(
BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.ATTRIBUTE_FLAGS_ERROR, data);
}
ChannelBuffer tempBuf = cb.readBytes(validation.getLength());
while (tempBuf.readableBytes() > 0) {
byte pathSegType = tempBuf.readByte();
// no of ASes
byte pathSegLen = tempBuf.readByte();
int length = pathSegLen * ASNUM_SIZE;
if (tempBuf.readableBytes() < length) {
Validation.validateLen(
BgpErrorType.UPDATE_MESSAGE_ERROR, BgpErrorType.ATTRIBUTE_LENGTH_ERROR, length);
}
ChannelBuffer aspathBuf = tempBuf.readBytes(length);
while (aspathBuf.readableBytes() > 0) {
short asNum;
asNum = aspathBuf.readShort();
switch (pathSegType) {
case ASPATH_SET_TYPE:
aspathSet.add(asNum);
break;
case ASPATH_SEQ_TYPE:
aspathSeq.add(asNum);
break;
default:
log.debug("Other type Not Supported:" + pathSegType);
}
}
}
return new AsPath(aspathSet, aspathSeq);
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer)
throws Exception {
// wait for prefix
if (buffer.readableBytes() < 4) {
return null;
}
int length = buffer.getInt(buffer.readerIndex());
// wait for the complete event
if (buffer.readableBytes() < length + 4) {
return null;
}
// skip package length header
buffer.skipBytes(4);
// decode
int typeLength = buffer.readInt();
String type = buffer.toString(buffer.readerIndex(), typeLength, "UTF-8");
int eventLength = length - typeLength;
byte[] eventBytes = new byte[eventLength];
buffer.skipBytes(typeLength);
buffer.readBytes(eventBytes);
return new Event(type, eventBytes);
}
private boolean handleRevision1Response(ChannelHandlerContext ctx, int payloadLength)
throws Exception {
int code = buffered.readInt();
int descriptionLength = buffered.readInt();
byte[] descBytes = new byte[descriptionLength];
buffered.readBytes(descBytes, 0, descBytes.length);
String description = new String(descBytes, StandardCharsets.UTF_8);
logger.debug(
"Decoded payload with length:[{}], code:[{}], descriptionLength:[{}], description:[{}] on connection [{}]",
payloadLength,
code,
descriptionLength,
description,
ctx.getChannel().getLocalAddress());
if (200 <= code && code <= 299) {
logger.info(
"Connected to Found Elasticsearch: [{}]: [{}] on connection [{}]",
code,
description,
ctx.getChannel().getLocalAddress());
return true;
} else {
logger.error(
"Unable to connect to Found Elasticsearch: [{}]: [{}] on connection [{}]",
code,
description,
ctx.getChannel().getLocalAddress());
return false;
}
}
@Override
public void readFrom(ChannelBuffer channelBuffer) throws OspfParseException {
while (channelBuffer.readableBytes() >= OspfUtil.LSREQUEST_LENGTH) {
LsRequestPacket lsRequestPacket = new LsRequestPacket();
lsRequestPacket.setLsType(channelBuffer.readInt());
byte[] tempByteArray = new byte[OspfUtil.FOUR_BYTES];
channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
lsRequestPacket.setLinkStateId(Ip4Address.valueOf(tempByteArray).toString());
tempByteArray = new byte[OspfUtil.FOUR_BYTES];
channelBuffer.readBytes(tempByteArray, 0, OspfUtil.FOUR_BYTES);
lsRequestPacket.setOwnRouterId(Ip4Address.valueOf(tempByteArray).toString());
this.addLinkStateRequests(lsRequestPacket);
}
}
@Override
public WorldEditCUIMessage decode(ChannelBuffer buffer) {
byte[] data = new byte[buffer.readableBytes()];
buffer.readBytes(data);
String message = new String(data, UTF_8_CHARSET);
return new WorldEditCUIMessage(message);
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer)
throws Exception {
buffer.markReaderIndex();
final byte[] buf = new byte[5];
for (int i = 0; i < buf.length; i++) {
if (!buffer.readable()) {
buffer.resetReaderIndex();
return null;
}
buf[i] = buffer.readByte();
if (buf[i] >= 0) {
int length = CodedInputStream.newInstance(buf, 0, i + 1).readRawVarint32();
if (length < 0) {
throw new CorruptedFrameException("negative length: " + length);
}
if (buffer.readableBytes() < length) {
buffer.resetReaderIndex();
return null;
} else {
return buffer.readBytes(length);
}
}
}
// Couldn't find the byte whose MSB is off.
throw new CorruptedFrameException("length wider than 32-bit");
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf)
throws Exception {
if (buf.readableBytes() < 10) {
return null;
}
int beginIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("$$"));
if (beginIndex == -1) {
return null;
} else if (beginIndex > buf.readerIndex()) {
buf.readerIndex(beginIndex);
}
int length;
int flagIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), new StringFinder("AA"));
if (flagIndex != -1 && flagIndex - beginIndex == 6) {
length = Integer.parseInt(buf.toString(buf.readerIndex() + 2, 4, Charset.defaultCharset()));
} else {
length =
Integer.parseInt(buf.toString(buf.readerIndex() + 2, 2, Charset.defaultCharset()), 16);
}
if (length <= buf.readableBytes()) {
return buf.readBytes(length);
}
return null;
}
private void setInput(ChannelBuffer decompressed) {
byte[] in = new byte[decompressed.readableBytes()];
decompressed.readBytes(in);
z.next_in = in;
z.next_in_index = 0;
z.avail_in = in.length;
}
/**
* Reads from the channel buffer and returns Object of PcepTEObject.
*
* @param cb of type channel buffer
* @return Object of PcepTEObject
* @throws PcepParseException if mandatory fields are missing
*/
public static PcepTEObject read(ChannelBuffer cb) throws PcepParseException {
log.debug("read");
PcepObjectHeader teObjHeader;
byte yProtocolId;
// 2-flags
boolean bRFlag;
boolean bSFlag;
int iTEId;
LinkedList<PcepValueType> llOptionalTlv;
teObjHeader = PcepObjectHeader.read(cb);
// take only TEObject buffer.
ChannelBuffer tempCb = cb.readBytes(teObjHeader.getObjLen() - OBJECT_HEADER_LENGTH);
yProtocolId = tempCb.readByte();
// ignore first two bytes of Flags
tempCb.readShort();
Integer iTemp = (int) tempCb.readByte(); // read 3rd byte Flag
bSFlag = ((iTemp & FLAG_SET_S_FLAG) == FLAG_SET_S_FLAG) ? true : false;
bRFlag = ((iTemp & FLAG_SET_R_FLAG) == FLAG_SET_R_FLAG) ? true : false;
iTEId = tempCb.readInt();
// parse optional TLV
llOptionalTlv = parseOptionalTlv(tempCb);
return new PcepTEObjectVer1(teObjHeader, yProtocolId, bRFlag, bSFlag, iTEId, llOptionalTlv);
}
@Override
protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer)
throws Exception {
if (opcode == -1) {
if (buffer.readableBytes() >= 1) {
opcode = buffer.readByte() & 0xFF;
opcode = (opcode - cipher.getNextValue()) & 0xFF;
size = Client.PACKET_SIZES[opcode];
} else {
return null;
}
}
if (size == -1) {
if (buffer.readableBytes() >= 1) {
size = buffer.readByte() & 0xFF;
} else {
return null;
}
}
if (buffer.readableBytes() >= size) {
final byte[] data = new byte[size];
buffer.readBytes(data);
final ChannelBuffer payload = ChannelBuffers.buffer(size);
payload.writeBytes(data);
try {
return new Packet(opcode, Type.FIXED, payload);
} finally {
opcode = -1;
size = -1;
}
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.jboss.netty.handler.codec.oneone.OneToOneEncoder#encode(org.jboss
* .netty.channel.ChannelHandlerContext, org.jboss.netty.channel.Channel, java.lang.Object)
*/
@Override
protected Object encode(final ChannelHandlerContext ctx, final Channel channel, final Object msg)
throws Exception {
final ChannelBuffer message = (ChannelBuffer) msg;
final AuthToClientChannelHandler channelHandler =
(AuthToClientChannelHandler) ctx.getPipeline().getLast();
final int opcode = message.readUnsignedByte();
final int size = message.readableBytes();
final ChannelBuffer frame = ChannelBuffers.buffer(ByteOrder.LITTLE_ENDIAN, (size + 3));
frame.writeByte(opcode);
frame.writeShort(size);
final byte[] tmpa = new byte[message.readableBytes()];
message.readBytes(tmpa);
frame.writeBytes(channelHandler.getCrypt().encrypt(tmpa));
log.debug(String.format("[SEND PACKET] : 0x%02X", opcode));
final List<String> d =
breakStringInChunks(new BigInteger(1, tmpa).toString(16).toUpperCase(), 16);
for (final String string : d) {
log.debug(string);
}
return frame;
}
/* (non-Javadoc)
* @see org.jboss.netty.channel.SimpleChannelHandler#messageReceived(org.jboss.netty.channel.ChannelHandlerContext, org.jboss.netty.channel.MessageEvent)
*/
@Override
public void messageReceived(final ChannelHandlerContext context, final MessageEvent e)
throws Exception {
String decoded;
synchronized (stringWriter) {
// extract the buffer from the message event
final Object message = e.getMessage();
if (!(message instanceof ChannelBuffer)) {
context.sendUpstream(e);
return;
}
final ChannelBuffer buffer = (ChannelBuffer) message;
if (!buffer.readable()) {
return;
}
// read all bytes from the buffer to the decoder stream
final byte[] bytes = new byte[buffer.readableBytes()];
buffer.readBytes(bytes);
writerOutputStream.write(bytes);
writerOutputStream.flush();
decoded = stringWriter.toString();
stringWriter.getBuffer().setLength(0);
}
// push all successfully decoded characters upstream
Channels.fireMessageReceived(context, decoded, e.getRemoteAddress());
}
@Override
public UnregisterPluginChannelMessage decode(ChannelBuffer buffer) {
byte[] strData = new byte[buffer.readableBytes()];
buffer.readBytes(strData);
String str = new String(strData, ChannelBufferUtils.CHARSET_UTF8);
return new UnregisterPluginChannelMessage(Arrays.asList(str.split("\0")));
}
public static String readString(ChannelBuffer buf, int length, Charset charset) {
byte[] bytes = new byte[length];
buf.readBytes(bytes);
String str = new String(bytes, charset);
return str;
}
/**
* Read n bytes from this packet buffer, n = length.
*
* @param length
* @return byte[]
*/
protected final byte[] readB(int length) {
byte[] result = new byte[length];
try {
buf.readBytes(result);
} catch (Exception e) {
log.error("Missing byte[] for: " + this);
}
return result;
}
private static String readString(ChannelBuffer buf) {
String result = null;
int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0);
if (index > buf.readerIndex()) {
result = buf.readBytes(index - buf.readerIndex()).toString(StandardCharsets.US_ASCII);
}
buf.readByte();
return result;
}
@Override
public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof MessageEvent) {
MessageEvent event = (MessageEvent) e;
ChannelBuffer buffer = (ChannelBuffer) event.getMessage();
while (buffer.readableBytes() > 0) {
ChannelBuffer newBuffer = ChannelBuffers.dynamicBuffer();
if (buffer.readableBytes() >= chunkSize) {
newBuffer.writeBytes(buffer.readBytes(chunkSize));
} else {
newBuffer.writeBytes(buffer.readBytes(buffer.readableBytes()));
}
Thread.sleep(latency);
write(ctx, e.getFuture(), newBuffer, event.getRemoteAddress());
}
} else {
ctx.sendDownstream(e);
}
}
@Override
public void writeBytes(ChannelBuffer src, int length) {
try {
byte[] array = new byte[length];
src.readBytes(array);
delegate.put(array, array.length);
} catch (IOException e) {
throw writeException(e);
}
}
public ChannelBuffer encode(final RtmpMessage message) {
final ChannelBuffer in = message.encode();
final RtmpHeader header = message.getHeader();
if (header.isChunkSize()) {
final ChunkSize csMessage = (ChunkSize) message;
logger.debug("encoder new chunk size: {}", csMessage);
chunkSize = csMessage.getChunkSize();
} else if (header.isControl()) {
final Control control = (Control) message;
if (control.getType() == Control.Type.STREAM_BEGIN) {
clearPrevHeaders();
}
}
final int channelId = header.getChannelId();
header.setSize(in.readableBytes());
final RtmpHeader prevHeader = channelPrevHeaders[channelId];
if (prevHeader != null // first stream message is always large
&& header.getStreamId() > 0 // all control messages always large
&& header.getTime() > 0) { // if time is zero, always large
if (header.getSize() == prevHeader.getSize()) {
header.setHeaderType(RtmpHeader.Type.SMALL);
} else {
header.setHeaderType(RtmpHeader.Type.MEDIUM);
}
final int deltaTime = header.getTime() - prevHeader.getTime();
if (deltaTime < 0) {
logger.warn("negative time: {}", header);
header.setDeltaTime(0);
} else {
header.setDeltaTime(deltaTime);
}
} else {
// otherwise force to LARGE
header.setHeaderType(RtmpHeader.Type.LARGE);
}
channelPrevHeaders[channelId] = header;
if (logger.isDebugEnabled()) {
// logger.debug(">> {}", message);
}
final ChannelBuffer out =
ChannelBuffers.buffer(
RtmpHeader.MAX_ENCODED_SIZE + header.getSize() + header.getSize() / chunkSize);
boolean first = true;
while (in.readable()) {
final int size = Math.min(chunkSize, in.readableBytes());
if (first) {
header.encode(out);
first = false;
} else {
out.writeBytes(header.getTinyHeader());
}
in.readBytes(out, size);
}
return out;
}
/**
* Read this message off the wire from the specified ByteBuffer
*
* @param data
*/
public void readFrom(ChannelBuffer data) {
this.portNumber = data.readShort();
if (this.hardwareAddress == null) this.hardwareAddress = new byte[OFP_ETH_ALEN];
data.readBytes(this.hardwareAddress);
byte[] name = new byte[16];
data.readBytes(name);
// find the first index of 0
int index = 0;
for (byte b : name) {
if (0 == b) break;
++index;
}
this.name = new String(Arrays.copyOf(name, index), Charset.forName("ascii"));
this.config = data.readInt();
this.state = data.readInt();
this.currentFeatures = data.readInt();
this.advertisedFeatures = data.readInt();
this.supportedFeatures = data.readInt();
this.peerFeatures = data.readInt();
}
public byte[] encode(Map<String, Object> value) throws ProtocolException {
ChannelBuffer cb = ChannelBuffers.dynamicBuffer(100);
encode(value, cb);
int writeIndex = cb.writerIndex();
byte[] result = new byte[writeIndex];
cb.readBytes(result);
return result;
}
