110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Modified by Cloudius Systems.
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* Copyright 2015 Cloudius Systems.
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*/
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#pragma once
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#include "core/sstring.hh"
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#include "bytes.hh"
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#include "gms/inet_address.hh"
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#include "utils/UUID.hh"
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namespace streaming {
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namespace messages {
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/**
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* StreamInitMessage is first sent from the node where {@link org.apache.cassandra.streaming.StreamSession} is started,
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* to initiate corresponding {@link org.apache.cassandra.streaming.StreamSession} on the other side.
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*/
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class stream_init_message {
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public:
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using inet_address = gms::inet_address;
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using UUID = utils::UUID;
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inet_address from;
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int session_index;
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UUID plan_id;
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sstring description;
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// true if this init message is to connect for outgoing message on receiving side
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bool is_for_outgoing;
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bool keep_ss_table_level;
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stream_init_message() = default;
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stream_init_message(inet_address _from, int _session_index, UUID _plan_id, sstring _description, bool _is_for_outgoing, bool _keep_ss_table_level)
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: from(_from)
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, session_index(_session_index)
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, plan_id(_plan_id)
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, description(_description)
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, is_for_outgoing(_is_for_outgoing)
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, keep_ss_table_level(-keep_ss_table_level) {
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}
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#if 0
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/**
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* Create serialized message.
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*
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* @param compress true if message is compressed
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* @param version Streaming protocol version
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* @return serialized message in ByteBuffer format
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*/
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public ByteBuffer createMessage(boolean compress, int version)
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{
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int header = 0;
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// set compression bit.
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if (compress)
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header |= 4;
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// set streaming bit
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header |= 8;
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// Setting up the version bit
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header |= (version << 8);
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byte[] bytes;
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try
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{
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int size = (int)StreamInitMessage.serializer.serializedSize(this, version);
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DataOutputBuffer buffer = new DataOutputBuffer(size);
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StreamInitMessage.serializer.serialize(this, buffer, version);
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bytes = buffer.getData();
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}
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catch (IOException e)
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{
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throw new RuntimeException(e);
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}
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assert bytes.length > 0;
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ByteBuffer buffer = ByteBuffer.allocate(4 + 4 + bytes.length);
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buffer.putInt(MessagingService.PROTOCOL_MAGIC);
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buffer.putInt(header);
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buffer.put(bytes);
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buffer.flip();
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return buffer;
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}
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#endif
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public:
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void serialize(bytes::iterator& out) const;
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static stream_init_message deserialize(bytes_view& v);
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size_t serialized_size() const;
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};
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} // namespace messages
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} // namespace streaming
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