Package com.alibaba.dubbo.common.io

Examples of com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream

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    public void encode(Channel channel, OutputStream output, Object msg) throws IOException {
        codec.encode(channel, output, msg);
    }

    public Object decode(Channel channel, InputStream input) throws IOException {
        UnsafeByteArrayInputStream bis = (UnsafeByteArrayInputStream)input; // TODO 依赖非接口上的契约！调整实现！
        int beginIdx = bis.position();
        MultiMessage result = MultiMessage.create();
        do {
            Object obj = codec.decode(channel, bis);
            if (NEED_MORE_INPUT == obj) {
                bis.position(beginIdx);
                break;
            } else {
                result.addMessage(obj);
                logMessageLength(obj, bis.position() - beginIdx);
                beginIdx = bis.position();
            }
        } while (true);
        if (result.isEmpty()) {
            return NEED_MORE_INPUT;
        }
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                            result = new DecodeableRpcResult(channel, res, is,
                                                             (Invocation)getRequestData(id), proto);
                            result.decode();
                        } else {
                            result = new DecodeableRpcResult(channel, res,
                                                             new UnsafeByteArrayInputStream(readMessageData(is)),
                                                             (Invocation) getRequestData(id), proto);
                        }
                        data = result;
                    }
                    res.setResult(data);
                } catch (Throwable t) {
                    if (log.isWarnEnabled()) {
                        log.warn("Decode response failed: " + t.getMessage(), t);
                    }
                    res.setStatus(Response.CLIENT_ERROR);
                    res.setErrorMessage(StringUtils.toString(t));
                }
            } else {
                res.setErrorMessage(deserialize(s, channel.getUrl(), is).readUTF());
            }
            return res;
        } else {
            // decode request.
            Request req = new Request(id);
            req.setVersion("2.0.0");
            req.setTwoWay((flag & FLAG_TWOWAY) != 0);
            if ((flag & FLAG_EVENT) != 0) {
                req.setEvent(Request.HEARTBEAT_EVENT);
            }
            try {
                Object data;
                if (req.isHeartbeat()) {
                    data = decodeHeartbeatData(channel, deserialize(s, channel.getUrl(), is));
                } else if (req.isEvent()) {
                    data = decodeEventData(channel, deserialize(s, channel.getUrl(), is));
                } else {
                    DecodeableRpcInvocation inv;
                    if (channel.getUrl().getParameter(
                        Constants.DECODE_IN_IO_THREAD_KEY,
                        Constants.DEFAULT_DECODE_IN_IO_THREAD)) {
                        inv = new DecodeableRpcInvocation(channel, req, is, proto);
                        inv.decode();
                    } else {
                        inv = new DecodeableRpcInvocation(channel, req,
                                                          new UnsafeByteArrayInputStream(readMessageData(is)), proto);
                    }
                    data = inv;
                }
                req.setData(data);
            } catch (Throwable t) {
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            }

            NettyChannel channel = NettyChannel.getOrAddChannel(ctx.getChannel(), url, handler);
            boolean remaining = true;
            Object msg;
            UnsafeByteArrayInputStream bis;
            try {
                do {
                    // read data into buffer.
                    int read = Math.min(readable, buf.length - limit);
                    input.readBytes(buf, limit, read);
                    limit += read;
                    readable -= read;
                    bis = new UnsafeByteArrayInputStream(buf, off, limit - off); // 不需要关闭
                    // decode object.
                    do {
                        try {
                            msg = codec.decode(channel, bis);
                        } catch (IOException e) {
                            remaining = false;
                            throw e;
                        }
                        if (msg == Codec.NEED_MORE_INPUT) {
                            if (off == 0) {
                                if (readable > 0) {
                                    buf = Bytes.copyOf(buf, buf.length << 1);
                                }
                            } else {
                                int len = limit - off;
                                System.arraycopy(buf, off, buf, 0, len); // adjust buffer.
                                off = 0;
                                limit = len;
                            }
                            break;
                        } else {
                            int pos = bis.position();
                            if (off == pos) {
                                remaining = false;
                                throw new IOException("Decode without read data.");
                            }
                            if (msg != null) {
                                Channels.fireMessageReceived(ctx, msg, event.getRemoteAddress());
                            }
                            off = pos;
                        }
                    } while (bis.available() > 0);
                } while (readable > 0);
            } finally {
                if (remaining) {
                    int len = limit - off;
                    if (len < buf.length / 2) {
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            }

            Channel channel = MinaChannel.getOrAddChannel(session, url, handler);
            boolean remaining = true;
            Object msg;
            UnsafeByteArrayInputStream bis;
            try {
                do {
                    // read data into buffer.
                    int read = Math.min(readable, buf.length - limit);
                    in.get(buf, limit, read);
                    limit += read;
                    readable -= read;
                    bis = new UnsafeByteArrayInputStream(buf, off, limit - off); // 不需要关闭
                    // decode object.
                    do {
                        try {
                            msg = codec.decode(channel, bis);
                        } catch (IOException e) {
                            remaining = false;
                            throw e;
                        }
                        if (msg == Codec.NEED_MORE_INPUT) {
                            if (off == 0) {
                                if (readable > 0) {
                                    buf = Bytes.copyOf(buf, buf.length << 1);
                                }
                            } else {
                                int len = limit - off;
                                System.arraycopy(buf, off, buf, 0, len);
                                off = 0;
                                limit = len;
                            }
                            break;
                        } else {
                            int pos = bis.position();
                            if (pos == off) {
                                remaining = false;
                                throw new IOException("Decode without read data.");
                            }
                            if (msg != null) {
                                out.write(msg);
                            }
                            off = pos;
                        }
                    } while (bis.available() > 0);
                } while (readable > 0);
            } finally {
                if (remaining) {
                    int len = limit - off;
                    if (len < buf.length / 2) {
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                    args = PojoUtils.realize(args, params, method.getGenericParameterTypes());
                } else if (ProtocolUtils.isJavaGenericSerialization(generic)) {
                    for(int i = 0; i < args.length; i++) {
                        if (byte[].class == args[i].getClass()) {
                            try {
                                UnsafeByteArrayInputStream is = new UnsafeByteArrayInputStream((byte[])args[i]);
                                args[i] = ExtensionLoader.getExtensionLoader(Serialization.class)
                                    .getExtension(Constants.GENERIC_SERIALIZATION_NATIVE_JAVA)
                                    .deserialize(null, is).readObject();
                            } catch (Exception e) {
                                throw new RpcException("Deserialize argument [" + (i + 1) + "] failed.", e);
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                header = Bytes.copyOf(header, readable);
                is.read(header, length, readable - length);
            }
            for (int i = 1; i < header.length - 1; i ++) {
                if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                    UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                    bis.position(bis.position() - header.length + i);
                    header = Bytes.copyOf(header, i);
                    break;
                }
            }
            return super.decode(channel, is, readable, header);
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    out.flushBuffer();
  }

  public T parseFrom(byte[] b) throws IOException
  {
    return parseFrom(new UnsafeByteArrayInputStream(b));
  }
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    public void encode(Channel channel, OutputStream output, Object msg) throws IOException {
        codec.encode(channel, output, msg);
    }

    public Object decode(Channel channel, InputStream input) throws IOException {
        UnsafeByteArrayInputStream bis = (UnsafeByteArrayInputStream)input;
        int save = bis.position();
        List<Object> result = new ArrayList<Object>();
        do {
            Object obj = codec.decode(channel, bis);
            if (NEED_MORE_INPUT == obj) {
                bis.position(save);
                break;
            } else {
                result.add(obj);
                logMessageLength(obj, bis.position() - save);
                save = bis.position();
            }
        } while (true);
        if (result.isEmpty()) {
            return NEED_MORE_INPUT;
        }
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                            result = new DecodeableRpcResult(channel, res, is,
                                                             (Invocation)getRequestData(id), proto);
                            result.decode();
                        } else {
                            result = new DecodeableRpcResult(channel, res,
                                                             new UnsafeByteArrayInputStream(readMessageData(is)),
                                                             (Invocation) getRequestData(id), proto);
                        }
                        data = result;
                    }
                    res.setResult(data);
                } catch (Throwable t) {
                    if (log.isWarnEnabled()) {
                        log.warn("Decode response failed: " + t.getMessage(), t);
                    }
                    res.setStatus(Response.CLIENT_ERROR);
                    res.setErrorMessage(StringUtils.toString(t));
                }
            } else {
                res.setErrorMessage(deserialize(s, channel.getUrl(), is).readUTF());
            }
            return res;
        } else {
            // decode request.
            Request req = new Request(id);
            req.setVersion("2.0.0");
            req.setTwoWay((flag & FLAG_TWOWAY) != 0);
            if ((flag & FLAG_EVENT) != 0) {
                req.setEvent(Request.HEARTBEAT_EVENT);
            }
            try {
                Object data;
                if (req.isHeartbeat()) {
                    data = decodeHeartbeatData(channel, deserialize(s, channel.getUrl(), is));
                } else if (req.isEvent()) {
                    data = decodeEventData(channel, deserialize(s, channel.getUrl(), is));
                } else {
                    DecodeableRpcInvocation inv;
                    if (channel.getUrl().getParameter(
                        Constants.DECODE_IN_IO_THREAD_KEY,
                        Constants.DEFAULT_DECODE_IN_IO_THREAD)) {
                        inv = new DecodeableRpcInvocation(channel, req, is, proto);
                        inv.decode();
                    } else {
                        inv = new DecodeableRpcInvocation(channel, req,
                                                          new UnsafeByteArrayInputStream(readMessageData(is)), proto);
                    }
                    data = inv;
                }
                req.setData(data);
            } catch (Throwable t) {
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    public Object decode(Channel channel, ChannelBuffer buffer) throws IOException {
        byte[] bytes = new byte[buffer.readableBytes()];
        int savedReaderIndex = buffer.readerIndex();
        buffer.readBytes(bytes);
        UnsafeByteArrayInputStream is = new UnsafeByteArrayInputStream(bytes);
        Object result = codec.decode(channel, is);
        buffer.readerIndex(savedReaderIndex + is.position());
        return result == Codec.NEED_MORE_INPUT ? DecodeResult.NEED_MORE_INPUT : result;
    }
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Related Classes of com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream

  • com.alibaba.dubbo.common.serialize.dubbo.DataInputOutputTest
  • com.alibaba.dubbo.common.serialize.support.dubbo.Builder
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  • com.alibaba.dubbo.remoting.transport.codec.CodecAdapter
  • com.alibaba.dubbo.remoting.transport.codec.DeprecatedExchangeCodec
  • com.alibaba.dubbo.remoting.transport.grizzly.GrizzlyCodecAdapter
  • com.alibaba.dubbo.remoting.transport.mina.MinaCodecAdapter$InternalDecoder
  • com.alibaba.dubbo.remoting.transport.netty.NettyCodecAdapter$InternalDecoder
  • com.alibaba.dubbo.rpc.filter.GenericFilter
  • com.alibaba.dubbo.rpc.protocol.dubbo.DubboCodec
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