Files
scylladb/streaming/stream_request.cc
2015-09-20 10:43:39 +03:00

108 lines
3.3 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.
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "streaming/stream_request.hh"
#include "query-request.hh"
namespace streaming {
void stream_request::serialize(bytes::iterator& out) const {
serialize_string(out, keyspace);
serialize_int32(out, uint32_t(ranges.size()));
for (auto& x : ranges) {
x.serialize(out);
}
serialize_int32(out, uint32_t(column_families.size()));
for (auto& x : column_families) {
serialize_string(out, x);
}
serialize_int64(out, repaired_at);
}
stream_request stream_request::deserialize(bytes_view& v) {
auto keyspace_ = read_simple_short_string(v);
auto num = read_simple<int32_t>(v);
std::vector<query::range<token>> ranges_;
for (int32_t i = 0; i < num; i++) {
ranges_.push_back(query::range<token>::deserialize(v));
}
num = read_simple<int32_t>(v);
std::vector<sstring> column_families_;
for (int32_t i = 0; i < num; i++) {
auto s = read_simple_short_string(v);
column_families_.push_back(std::move(s));
}
auto repaired_at_ = read_simple<int64_t>(v);
return stream_request(std::move(keyspace_), std::move(ranges_), std::move(column_families_), repaired_at_);
}
size_t stream_request::serialized_size() const {
size_t size = serialize_string_size(keyspace);
size += serialize_int32_size;
for (auto& x : ranges) {
size += x.serialized_size();
}
size += serialize_int32_size;
for (auto& x : column_families) {
size += serialize_string_size(x);
}
size += serialize_int64_size;
return size;
}
std::ostream& operator<<(std::ostream& os, const stream_request& sr) {
os << "[ ks = " << sr.keyspace << " cf = ";
for (auto& cf : sr.column_families) {
os << cf << " ";
}
return os << "]";
}
} // namespace streaming;