public boolean decode(
ChannelHandlerContext ctx,
final ByteBuf buf,
InetSocketAddress recipient,
final InetSocketAddress sender) {
LOG.debug("Decoding of TomP2P starts now. Readable: {}.", buf.readableBytes());
try {
final int readerBefore = buf.readerIndex();
// set the sender of this message for handling timeout
final Attribute<InetSocketAddress> attributeInet = ctx.attr(INET_ADDRESS_KEY);
attributeInet.set(sender);
if (message == null && !headerDone) {
headerDone = decodeHeader(buf, recipient, sender);
if (headerDone) {
// store the sender as an attribute
final Attribute<PeerAddress> attributePeerAddress = ctx.attr(PEER_ADDRESS_KEY);
attributePeerAddress.set(message.sender());
message.udp(ctx.channel() instanceof DatagramChannel);
if (message.isFireAndForget() && message.isUdp()) {
TimeoutFactory.removeTimeout(ctx);
}
} else {
return false;
}
}
final boolean donePayload = decodePayload(buf);
decodeSignature(buf, readerBefore, donePayload);
if (donePayload) {
boolean isRelay = message.sender().isRelayed();
if (isRelay && !message.peerSocketAddresses().isEmpty()) {
PeerAddress tmpSender =
message.sender().changePeerSocketAddresses(message.peerSocketAddresses());
message.sender(tmpSender);
}
}
// see https://github.com/netty/netty/issues/1976
buf.discardSomeReadBytes();
return donePayload;
} catch (Exception e) {
ctx.fireExceptionCaught(e);
e.printStackTrace();
return true;
}
}
@Override
public ByteBuf discardSomeReadBytes() {
return buf.discardSomeReadBytes();
}
