Package com.alibaba.dubbo.common.io

Examples of com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream.position()

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                                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) {
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                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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                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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                        offset = 0; // 移到后，bytes缓存没有数据被使用
                        limit = len; // 移到后，有效数据都在bytes缓存最前面
                    }
                }
            } else { // 如果解析出一个结果
                int position = input.position(); // 记录InputStream用了多少
                if (position == offset) { // 如果InputStream没有被读过，就返回了数据，直接报错，否则InputStream永远读不完，会死递归
                    throw new IOException("Decode without read data.");
                }
                offset = position; // 记录已读数据
                context.setMessage(msg); // 将消息改为解码后的对象，以便被后面的Filter使用。
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        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);
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        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();
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            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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                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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                                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) {
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                                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) {
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