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author | Jason Carey <jcarey@argv.me> | 2017-08-01 11:29:51 -0400 |
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committer | Jason Carey <jcarey@argv.me> | 2017-08-17 12:16:40 -0400 |
commit | cb20cab73393fbf725627d5f7b1af5e797866870 (patch) | |
tree | d2282b9e7490f7e73ead3cf35a746d0f126b42fd /src/mongo/db/kill_sessions_common.cpp | |
parent | 427647f7cea35a782f3532c02d3e16323c4aea99 (diff) | |
download | mongo-cb20cab73393fbf725627d5f7b1af5e797866870.tar.gz |
SERVER-28338 KillSessions Support
Diffstat (limited to 'src/mongo/db/kill_sessions_common.cpp')
-rw-r--r-- | src/mongo/db/kill_sessions_common.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/mongo/db/kill_sessions_common.cpp b/src/mongo/db/kill_sessions_common.cpp new file mode 100644 index 00000000000..084e5eeec44 --- /dev/null +++ b/src/mongo/db/kill_sessions_common.cpp @@ -0,0 +1,91 @@ +/** + * Copyright (C) 2017 MongoDB Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * 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 + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * 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 GNU Affero General 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::kCommand + +#include "mongo/platform/basic.h" + +#include "mongo/db/kill_sessions_common.h" + +#include "mongo/db/client.h" +#include "mongo/db/operation_context.h" +#include "mongo/db/service_context.h" +#include "mongo/db/session_killer.h" +#include "mongo/util/log.h" + +namespace mongo { + +SessionKiller::Result killSessionsLocalKillOps(OperationContext* opCtx, + const SessionKiller::Matcher& matcher) { + for (ServiceContext::LockedClientsCursor cursor(opCtx->getClient()->getServiceContext()); + Client* client = cursor.next();) { + invariant(client); + stdx::unique_lock<Client> lk(*client); + + OperationContext* opCtxToKill = client->getOperationContext(); + if (opCtxToKill) { + const auto& lsid = opCtxToKill->getLogicalSessionId(); + + if (lsid) { + if (const KillAllSessionsByPattern* pattern = matcher.match(*lsid)) { + ScopedKillAllSessionsByPatternImpersonator impersonator(opCtx, *pattern); + + log() << "killing op: " << opCtxToKill->getOpID() + << " as part of killing session: " << lsid->toBSON(); + + opCtx->getServiceContext()->killOperation(opCtxToKill); + } + } + } + } + + return {std::vector<HostAndPort>{}}; +} + +Status killSessionsCmdHelper(OperationContext* opCtx, + BSONObjBuilder& result, + const KillAllSessionsByPatternSet& patterns) { + auto killResult = SessionKiller::get(opCtx)->kill(opCtx, patterns); + + if (!killResult->isOK()) { + return killResult->getStatus(); + } + + if (!killResult->getValue().empty()) { + BSONArrayBuilder bab(result.subarrayStart("failedHosts")); + for (const auto& host : killResult->getValue()) { + bab.append(host.toString()); + } + + return Status(ErrorCodes::HostUnreachable, "Failed to kill on some hosts"); + } + + return Status::OK(); +} + +} // namespace mongo |