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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/db/s/sharded_connection_info.h"
#include "mongo/db/client.h"
#include "mongo/logv2/log.h"
namespace mongo {
namespace {
const auto clientSCI = Client::declareDecoration<boost::optional<ShardedConnectionInfo>>();
} // namespace
ShardedConnectionInfo::ShardedConnectionInfo() = default;
ShardedConnectionInfo::~ShardedConnectionInfo() = default;
ShardedConnectionInfo* ShardedConnectionInfo::get(Client* client, bool create) {
auto& current = clientSCI(client);
if (!current && create) {
LOGV2_DEBUG(22060, 1, "Entering shard mode for connection");
current.emplace();
}
return current ? ¤t.value() : nullptr;
}
void ShardedConnectionInfo::reset(Client* client) {
clientSCI(client) = boost::none;
}
boost::optional<ChunkVersion> ShardedConnectionInfo::getVersion(const std::string& ns) const {
NSVersionMap::const_iterator it = _versions.find(ns);
if (it != _versions.end()) {
return it->second;
} else {
return boost::none;
}
}
void ShardedConnectionInfo::setVersion(const std::string& ns, const ChunkVersion& version) {
_versions[ns] = version;
}
} // namespace mongo
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