Files
scylladb/streaming/stream_request.hh
2015-06-18 14:55:06 +08:00

102 lines
3.8 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Modified by Cloudius Systems.
* Copyright 2015 Cloudius Systems.
*/
#pragma once
#include "core/sstring.hh"
#include "query-request.hh"
#include "dht/i_partitioner.hh"
#include <vector>
namespace streaming {
class stream_request {
public:
using token = dht::token;
sstring keyspace;
std::vector<query::range<token>> ranges;
std::vector<sstring> column_families;
long repaired_at;
stream_request(sstring _keyspace, std::vector<query::range<token>> _ranges, std::vector<sstring> _column_families, long _repaired_at)
: keyspace(std::move(_keyspace))
, ranges(std::move(_ranges))
, column_families(std::move(_column_families))
, repaired_at(_repaired_at) {
}
#if 0
public static class StreamRequestSerializer implements IVersionedSerializer<StreamRequest>
{
public void serialize(StreamRequest request, DataOutputPlus out, int version) throws IOException
{
out.writeUTF(request.keyspace);
out.writeLong(request.repairedAt);
out.writeInt(request.ranges.size());
for (Range<Token> range : request.ranges)
{
Token.serializer.serialize(range.left, out);
Token.serializer.serialize(range.right, out);
}
out.writeInt(request.columnFamilies.size());
for (sstring cf : request.columnFamilies)
out.writeUTF(cf);
}
public StreamRequest deserialize(DataInput in, int version) throws IOException
{
sstring keyspace = in.readUTF();
long repairedAt = in.readLong();
int rangeCount = in.readInt();
List<Range<Token>> ranges = new ArrayList<>(rangeCount);
for (int i = 0; i < rangeCount; i++)
{
Token left = Token.serializer.deserialize(in);
Token right = Token.serializer.deserialize(in);
ranges.add(new Range<>(left, right));
}
int cfCount = in.readInt();
List<sstring> columnFamilies = new ArrayList<>(cfCount);
for (int i = 0; i < cfCount; i++)
columnFamilies.add(in.readUTF());
return new StreamRequest(keyspace, ranges, columnFamilies, repairedAt);
}
public long serializedSize(StreamRequest request, int version)
{
int size = TypeSizes.NATIVE.sizeof(request.keyspace);
size += TypeSizes.NATIVE.sizeof(request.repairedAt);
size += TypeSizes.NATIVE.sizeof(request.ranges.size());
for (Range<Token> range : request.ranges)
{
size += Token.serializer.serializedSize(range.left, TypeSizes.NATIVE);
size += Token.serializer.serializedSize(range.right, TypeSizes.NATIVE);
}
size += TypeSizes.NATIVE.sizeof(request.columnFamilies.size());
for (sstring cf : request.columnFamilies)
size += TypeSizes.NATIVE.sizeof(cf);
return size;
}
}
#endif
};
} // namespace streaming