/** * 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 * . * * 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. */ #include "mongo/platform/basic.h" #include "mongo/db/catalog/health_log.h" #include "mongo/db/catalog/health_log_gen.h" #include "mongo/db/concurrency/write_conflict_exception.h" #include "mongo/db/db_raii.h" namespace mongo { namespace { const ServiceContext::Decoration getHealthLog = ServiceContext::declareDecoration(); const int64_t kDefaultHealthlogSize = 100'000'000; CollectionOptions getOptions(void) { CollectionOptions options; options.capped = true; options.cappedSize = kDefaultHealthlogSize; return options; } } HealthLog::HealthLog() : _writer(nss, getOptions(), kMaxBufferSize) {} void HealthLog::startup(void) { _writer.startup(std::string("healthlog writer")); } void HealthLog::shutdown(void) { _writer.shutdown(); } HealthLog& HealthLog::get(ServiceContext* svcCtx) { return getHealthLog(svcCtx); } HealthLog& HealthLog::get(OperationContext* opCtx) { return getHealthLog(opCtx->getServiceContext()); } bool HealthLog::log(const HealthLogEntry& entry) { BSONObjBuilder builder; OID oid; oid.init(); builder.append("_id", oid); entry.serialize(&builder); return _writer.insertDocument(builder.obj()); } const NamespaceString HealthLog::nss("local", "system.healthlog"); }