Example usage for io.netty.buffer ByteBuf isReadable

List of usage examples for io.netty.buffer ByteBuf isReadable

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf isReadable.

Prototype

public abstract boolean isReadable();

Source Link

Document

Returns true if and only if (this.writerIndex - this.readerIndex) is greater than 0 .

Usage

From source file:at.yawk.dbus.protocol.object.ArrayObject.java

@Override
public void serialize(AlignableByteBuf buf) {
    ByteBuf tempBuffer = serializeValues(ArrayObject.allocateBufferForWrite(buf.getBuffer()));

    buf.alignWrite(4);//from   w  ww .ja  v  a 2 s.c  o m
    buf.getBuffer().writeInt(tempBuffer.writerIndex());
    if (tempBuffer.isReadable()) {
        buf.getBuffer().writeBytes(tempBuffer);
    }
    tempBuffer.release();
}

From source file:at.yawk.votifier.LineSplitter.java

License:Mozilla Public License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    in.markReaderIndex();/*from  w  ww .  j a  v  a  2  s .c o m*/
    int lineLength = 0;
    boolean found = false;
    while (in.isReadable()) {
        if (in.readByte() == '\n') {
            found = true;
            break;
        }
        lineLength++;
    }
    in.resetReaderIndex();
    if (found) {
        byte[] line = new byte[lineLength];
        in.readBytes(line);
        in.readByte(); // newline
        out.add(new String(line, StandardCharsets.UTF_8));
    }
}

From source file:blazingcache.network.netty.DodoMessageUtils.java

License:Apache License

public static Message decodeMessage(ByteBuf encoded) {
    byte version = encoded.readByte();
    if (version != VERSION) {
        throw new RuntimeException("bad protocol version " + version);
    }/* w  w  w . j  av a 2s .  com*/
    int type = encoded.readInt();
    String messageId = readUTF8String(encoded);
    String replyMessageId = null;
    String workerProcessId = null;
    Map<String, Object> params = new HashMap<>();
    while (encoded.isReadable()) {
        byte opcode = encoded.readByte();
        switch (opcode) {
        case OPCODE_REPLYMESSAGEID:
            replyMessageId = readUTF8String(encoded);
            break;
        case OPCODE_WORKERPROCESSID:
            workerProcessId = readUTF8String(encoded);
            break;
        case OPCODE_PARAMETERS:
            int size = encoded.readInt();
            for (int i = 0; i < size; i++) {
                Object key = readEncodedSimpleValue(encoded);
                Object value = readEncodedSimpleValue(encoded);
                params.put((String) key, value);
            }
            break;
        default:
            throw new RuntimeException("invalid opcode: " + opcode);
        }
    }
    Message m = new Message(workerProcessId, type, params);
    if (replyMessageId != null) {
        m.replyMessageId = replyMessageId;
    }
    m.messageId = messageId;
    return m;

}

From source file:blazingcache.network.netty.MessageUtils.java

License:Apache License

public static Message decodeMessage(ByteBuf encoded) {
    byte version = encoded.readByte();
    if (version != VERSION) {
        throw new RuntimeException("bad protocol version " + version);
    }/*from   ww w  .jav  a2 s .  c o m*/
    int type = encoded.readInt();
    String messageId = readUTF8String(encoded);
    String replyMessageId = null;
    String workerProcessId = null;
    Map<String, Object> params = new HashMap<>();
    while (encoded.isReadable()) {
        byte opcode = encoded.readByte();
        switch (opcode) {
        case OPCODE_REPLYMESSAGEID:
            replyMessageId = readUTF8String(encoded);
            break;
        case OPCODE_WORKERPROCESSID:
            workerProcessId = readUTF8String(encoded);
            break;
        case OPCODE_PARAMETERS:
            int size = encoded.readInt();
            for (int i = 0; i < size; i++) {
                Object key = readEncodedSimpleValue(encoded);
                Object value = readEncodedSimpleValue(encoded);
                params.put(((RawString) key).toString(), value);
            }
            break;
        default:
            throw new RuntimeException("invalid opcode: " + opcode);
        }
    }
    Message m = new Message(workerProcessId, type, params);
    if (replyMessageId != null) {
        m.replyMessageId = replyMessageId;
    }
    m.messageId = messageId;
    return m;

}

From source file:bzh.ygu.fun.chitchat.HttpChitChatServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaders.is100ContinueExpected(request)) {
            send100Continue(ctx);// ww w.  j  a v  a2s  .com
        }
        String uri = request.uri();
        HttpMethod method = request.method();
        Root root = Root.getInstance();
        buf.setLength(0);
        contentBuf.setLength(0);

        if (method == HttpMethod.POST) {
            if (uri.equals("/chitchat")) {

                currentAction = "Add";
            }
        }
        if (method == HttpMethod.GET) {
            if (uri.startsWith(LATEST)) {
                latestFromWho = decode(uri.substring(LATEST_SIZE));
                currentAction = "Latest";
                Message m = root.getLatest(latestFromWho);
                if (m != null) {
                    //{"author":"Iron Man", "text":"We have a Hulk !", "thread":3,"createdAt":1404736639715}
                    buf.append(m.toJSON());
                }
            }
            if (uri.startsWith(THREADCALL)) {
                currentAction = "Thread";
                String threadId = uri.substring(THREADCALL_SIZE);
                MessageThread mt = root.getMessageThread(threadId);
                if (mt != null) {
                    //{"author":"Iron Man", "text":"We have a Hulk !", "thread":3,"createdAt":1404736639715}
                    buf.append(mt.toJSON());
                }

            }
            if (uri.startsWith(SEARCH)) {
                String stringToSearch = decode(uri.substring(SEARCH_SIZE));
                currentAction = "search";
                List<Message> lm = root.search(stringToSearch);
                //[{"author":"Loki", "text":"I have an army !", "thread":3,
                //"createdAt":1404736639710}, {"author":"Iron Man", "text":"We have a Hulk !",
                //   "thread":3, "createdAt":1404736639715}]
                buf.append("[");
                if (!lm.isEmpty()) {
                    Iterator<Message> it = lm.iterator();
                    Message m = it.next();
                    buf.append(m.toJSON());
                    while (it.hasNext()) {
                        m = it.next();
                        buf.append(", ");
                        buf.append(m.toJSON());
                    }
                }

                buf.append("]");
            }
        }
    }

    if (msg instanceof HttpContent) {
        Root root = Root.getInstance();
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            contentBuf.append(content.toString(CharsetUtil.UTF_8));
        }

        if (msg instanceof LastHttpContent) {
            //                buf.append("END OF CONTENT\r\n");
            if (currentAction.equals("Add")) {
                addMessageFromContent(contentBuf.toString(), root);
                currentAction = "None";
            }
            LastHttpContent trailer = (LastHttpContent) msg;

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

From source file:ccwihr.client.t2.HttpResponseHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception {
    Integer streamId = msg.headers().getInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text());
    if (streamId == null) {
        System.err.println("HttpResponseHandler unexpected message received: " + msg);
        return;// www.java  2  s .c o m
    }

    Entry<ChannelFuture, ChannelPromise> entry = streamidPromiseMap.get(streamId);
    if (entry == null) {
        System.err.println("Message received for unknown stream id " + streamId);
    } else {
        // Do stuff with the message (for now just print it)
        ByteBuf content = msg.content();
        if (content.isReadable()) {
            int contentLength = content.readableBytes();
            byte[] arr = new byte[contentLength];
            content.readBytes(arr);
            System.out.println(new String(arr, 0, contentLength, CharsetUtil.UTF_8));
        }

        entry.getValue().setSuccess();
    }
}

From source file:ch07.handlers.HttpSnoopServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaders.is100ContinueExpected(request)) {
            send100Continue(ctx);// w w w .ja v  a 2  s  .c o  m
        }

        buf.setLength(0);
        buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        buf.append("===================================\r\n");

        buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
        buf.append("HOSTNAME: ").append(HttpHeaders.getHost(request, "unknown")).append("\r\n");
        buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");

        HttpHeaders headers = request.headers();
        if (!headers.isEmpty()) {
            for (Map.Entry<String, String> h : headers) {
                String key = h.getKey();
                String value = h.getValue();
                buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
            }
            buf.append("\r\n");
        }

        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        Map<String, List<String>> params = queryStringDecoder.parameters();
        if (!params.isEmpty()) {
            for (Entry<String, List<String>> p : params.entrySet()) {
                String key = p.getKey();
                List<String> vals = p.getValue();
                for (String val : vals) {
                    buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
                }
            }
            buf.append("\r\n");
        }

        appendDecoderResult(buf, request);
    }

    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            buf.append("CONTENT: ");
            buf.append(content.toString(CharsetUtil.UTF_8));
            buf.append("\r\n");
            appendDecoderResult(buf, request);
        }

        if (msg instanceof LastHttpContent) {
            buf.append("END OF CONTENT\r\n");

            LastHttpContent trailer = (LastHttpContent) msg;
            if (!trailer.trailingHeaders().isEmpty()) {
                buf.append("\r\n");
                for (String name : trailer.trailingHeaders().names()) {
                    for (String value : trailer.trailingHeaders().getAll(name)) {
                        buf.append("TRAILING HEADER: ");
                        buf.append(name).append(" = ").append(value).append("\r\n");
                    }
                }
                buf.append("\r\n");
            }

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

From source file:cn.jpush.api.common.connection.HttpResponseHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpResponse msg) throws Exception {
    Integer streamId = msg.headers().getInt(HttpConversionUtil.ExtensionHeaderNames.STREAM_ID.text());
    if (streamId == null) {
        System.err.println("HttpResponseHandler unexpected message received: " + msg);
        return;// w ww.ja v  a2 s .co m
    } else {
        LOG.debug("HttpResponseHandler response message received: " + msg);
    }

    Entry<ChannelFuture, ChannelPromise> entry = streamidPromiseMap.get(streamId);
    List<String> list = new ArrayList<String>();
    list.add(msg.status().code() + "");
    if (entry == null) {
        System.err.println("Message received for unknown stream id " + streamId);
    } else {
        // Do stuff with the message (for now just print it)
        ByteBuf byteBuf = msg.content();
        if (byteBuf.isReadable()) {
            int contentLength = byteBuf.readableBytes();
            byte[] arr = new byte[contentLength];
            byteBuf.readBytes(arr);
            String content = new String(arr, 0, contentLength, CharsetUtil.UTF_8);
            list.add(content);
            System.out.println("Protocol version: " + msg.protocolVersion());
            System.out.println("status: " + list.get(0) + " response content: " + list.get(1));
            LOG.debug("Protocol version: " + msg.protocolVersion());
            LOG.debug("status: " + list.get(0) + " response content: " + list.get(1));
        }

        mNettyHttp2Client.setResponse(streamId + ctx.channel().id().asShortText(), list);
        if (null != mCallback) {
            ResponseWrapper wrapper = new ResponseWrapper();
            wrapper.responseCode = Integer.valueOf(list.get(0));
            if (list.size() > 1) {
                wrapper.responseContent = list.get(1);
            }
            mCallback.onSucceed(wrapper);
        }

        entry.getValue().setSuccess();
        if (msg instanceof HttpContent) {
            HttpContent content = (HttpContent) msg;
            System.err.println("content: " + content.content().toString(CharsetUtil.UTF_8));
            System.err.flush();

            if (content instanceof LastHttpContent) {
                System.err.println(" end of content");
                //                    ctx.close();
            }
        }

    }
}

From source file:cn.liutils.api.player.ControlData.java

License:Open Source License

public void fromBytes(ByteBuf buf) {
    clear();/* w ww  .  j  av a2  s .co m*/
    while (buf.isReadable()) {
        byte tp = buf.readByte();
        switch (tp) {
        case 0:
            while (buf.isReadable()) {
                byte pre = buf.readByte();
                if (pre == -1)
                    break;
                if (pre == StateType.LOCK_POSITION.ordinal()) {
                    state[pre] = new StateLockPosition(player, buf);
                }
                if (pre == StateType.LOCK_ROTATION.ordinal()) {
                    state[pre] = new StateLockRotation(player, buf);
                }
                if (pre == StateType.LOCK_CONTROL_MOVE.ordinal()) {
                    state[pre] = new StateLockControlMove(player, buf);
                }
                if (pre == StateType.LOCK_CONTROL_JUMP.ordinal()) {
                    state[pre] = new StateLockControlJump(player, buf);
                }
                if (pre == StateType.LOCK_CONTROL_SPIN.ordinal()) {
                    state[pre] = new StateLockControlSpin(player, buf);
                }
            }
            break;
        case -1:
            return;
        default:
            LIUtils.log.warn("Unknown type: " + tp);
        }
    }
}

From source file:code.google.nfs.rpc.netty.serialize.NettyProtocolDecoder.java

License:Apache License

@Override
public final void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
    ByteBuf buf = internalBuffer();
    int readable = buf.readableBytes();
    if (buf.isReadable()) {
        ByteBuf bytes = buf.readBytes(readable);
        buf.release();/*from   ww  w .jav  a  2  s .c  o  m*/
        ctx.fireChannelRead(bytes);
    }
    cumulation = null;
    ctx.fireChannelReadComplete();
    handlerRemoved0(ctx);
}