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scylladb/streaming/messages/file_message_header.cc

83 lines
3.1 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.
*/
#include "streaming/messages/file_message_header.hh"
#include "types.hh"
#include "util/serialization.hh"
namespace streaming {
namespace messages {
void file_message_header::serialize(bytes::iterator& out) const {
cf_id.serialize(out);
serialize_int32(out, sequence_number);
serialize_string(out, version);
serialize_int32(out, int32_t(format));
serialize_int64(out, estimated_keys);
serialize_int32(out, int32_t(sections.size()));
for (auto& x : sections) {
serialize_int64(out, x.first);
serialize_int64(out, x.second);
}
comp_info.serialize(out);
serialize_int64(out, repaired_at);
serialize_int32(out, sstable_level);
}
file_message_header file_message_header::deserialize(bytes_view& v) {
auto cf_id_ = UUID::deserialize(v);
auto sequence_number_ = read_simple<int32_t>(v);
auto version_ = read_simple_short_string(v);
auto format_ = format_types(read_simple<int32_t>(v));
auto estimated_keys_ = read_simple<int64_t>(v);
auto num = read_simple<int32_t>(v);
std::map<int64_t, int64_t> sections_;
for (int32_t i = 0; i < num; i++) {
auto key = read_simple<int64_t>(v);
auto val = read_simple<int64_t>(v);
sections_.emplace(key, val);
}
auto comp_info_ = compression_info::deserialize(v);
auto repaired_at_ = read_simple<int64_t>(v);
auto sstable_level_ = read_simple<int32_t>(v);
return file_message_header(std::move(cf_id_), std::move(sequence_number_),
std::move(version_), format_, estimated_keys_,
std::move(sections_), std::move(comp_info_),
repaired_at_, sstable_level_);
}
size_t file_message_header::serialized_size() const {
size_t size = cf_id.serialized_size();
size += serialize_int32_size; //sequence_number
size += serialize_string_size(version);
size += serialize_int32_size; // format
size += serialize_int64_size; // estimated_keys
size += serialize_int32_size; // sections;
size += (serialize_int64_size + serialize_int64_size) * sections.size();
size += comp_info.serialized_size();
size += serialize_int64_size;
size += serialize_int32_size;
return size;
}
} // namespace messages
} // namespace streaming