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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_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kIndex
#include "mongo/platform/basic.h"
#include "mongo/db/collection_index_builds_tracker.h"
#include "mongo/db/catalog/index_builds_manager.h"
#include "mongo/logv2/log.h"
#include "mongo/util/log.h"
namespace mongo {
CollectionIndexBuildsTracker::~CollectionIndexBuildsTracker() {
invariant(_buildStateByBuildUUID.empty());
invariant(_buildStateByIndexName.empty());
}
void CollectionIndexBuildsTracker::addIndexBuild(
WithLock, std::shared_ptr<ReplIndexBuildState> replIndexBuildState) {
// Ensure that a new entry is added.
invariant(
_buildStateByBuildUUID.emplace(replIndexBuildState->buildUUID, replIndexBuildState).second);
invariant(replIndexBuildState->indexNames.size());
for (auto& indexName : replIndexBuildState->indexNames) {
// Duplicate index names within the same index build are ignored here because these will
// be caught during validation by the IndexCatalog.
_buildStateByIndexName.emplace(indexName, replIndexBuildState);
}
}
void CollectionIndexBuildsTracker::removeIndexBuild(
WithLock, std::shared_ptr<ReplIndexBuildState> replIndexBuildState) {
invariant(_buildStateByBuildUUID.find(replIndexBuildState->buildUUID) !=
_buildStateByBuildUUID.end());
_buildStateByBuildUUID.erase(replIndexBuildState->buildUUID);
for (const auto& indexName : replIndexBuildState->indexNames) {
_buildStateByIndexName.erase(indexName);
}
if (_buildStateByBuildUUID.empty()) {
_noIndexBuildsRemainCondVar.notify_all();
}
}
std::shared_ptr<ReplIndexBuildState> CollectionIndexBuildsTracker::getIndexBuildState(
WithLock, StringData indexName) const {
auto it = _buildStateByIndexName.find(indexName.toString());
invariant(it != _buildStateByIndexName.end());
return it->second;
}
bool CollectionIndexBuildsTracker::hasIndexBuildState(WithLock, StringData indexName) const {
auto it = _buildStateByIndexName.find(indexName.toString());
if (it == _buildStateByIndexName.end()) {
return false;
}
return true;
}
void CollectionIndexBuildsTracker::runOperationOnAllBuilds(
WithLock lk,
IndexBuildsManager* indexBuildsManager,
std::function<void(WithLock,
IndexBuildsManager* indexBuildsManager,
std::shared_ptr<ReplIndexBuildState> replIndexBuildState,
const std::string& reason)> func,
const std::string& reason) noexcept {
for (auto it = _buildStateByBuildUUID.begin(); it != _buildStateByBuildUUID.end(); ++it) {
func(lk, indexBuildsManager, it->second, reason);
}
}
int CollectionIndexBuildsTracker::getNumberOfIndexBuilds(WithLock) const {
return _buildStateByBuildUUID.size();
}
void CollectionIndexBuildsTracker::waitUntilNoIndexBuildsRemain(stdx::unique_lock<Latch>& lk) {
_noIndexBuildsRemainCondVar.wait(lk, [&] {
if (_buildStateByBuildUUID.empty()) {
return true;
}
LOGV2(20425, "Waiting until the following index builds are finished:");
for (const auto& indexBuild : _buildStateByBuildUUID) {
LOGV2(20426,
" Index build with UUID: {indexBuild_first}",
"indexBuild_first"_attr = indexBuild.first);
}
return false;
});
}
} // namespace mongo
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