SERVER-18525 Implement background ping and unlock for replSets distlock manager

1 files changed, 0 insertions, 135 deletions

diff --git a/src/mongo/s/catalog/replset_dist_lock_manager.cpp b/src/mongo/s/catalog/replset_dist_lock_manager.cpp
deleted file mode 100644
index 475d56983c2..00000000000
--- a/src/mongo/s/catalog/replset_dist_lock_manager.cpp
+++ /dev/null
@@ -1,135 +0,0 @@
-/**
- *    Copyright (C) 2015 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::kSharding
-
-#include "mongo/platform/basic.h"
-
-#include "mongo/s/catalog/replset_dist_lock_manager.h"
-
-#include "mongo/base/status.h"
-#include "mongo/base/status_with.h"
-#include "mongo/s/catalog/dist_lock_catalog.h"
-#include "mongo/s/type_locks.h"
-#include "mongo/util/concurrency/thread_name.h"
-#include "mongo/util/log.h"
-#include "mongo/util/mongoutils/str.h"
-#include "mongo/util/timer.h"
-
-namespace mongo {
-
-    using std::string;
-    using std::unique_ptr;
-    using stdx::chrono::milliseconds;
-
-    ReplSetDistLockManager::ReplSetDistLockManager(StringData processID,
-                                                   unique_ptr<DistLockCatalog> catalog):
-        _processID(processID.toString()),
-        _catalog(std::move(catalog)) {
-    }
-
-    ReplSetDistLockManager::~ReplSetDistLockManager() = default;
-
-    void ReplSetDistLockManager::startUp() {
-        // TODO
-    }
-
-    void ReplSetDistLockManager::shutDown() {
-        // TODO
-    }
-
-    StatusWith<DistLockManager::ScopedDistLock> ReplSetDistLockManager::lock(
-            StringData name,
-            StringData whyMessage,
-            milliseconds waitFor,
-            milliseconds lockTryInterval) {
-
-        Timer timer;
-        Timer msgTimer;
-
-        while (waitFor <= milliseconds::zero() || timer.millis() < waitFor.count()) {
-            OID lockSessionID = OID::gen();
-            string who = str::stream() << _processID << ":" << getThreadName();
-            auto lockResult = _catalog->grabLock(name,
-                                                 lockSessionID,
-                                                 who,
-                                                 _processID,
-                                                 Date_t::now(),
-                                                 whyMessage);
-
-            auto status = lockResult.getStatus();
-            const auto& lockDoc = lockResult.getValue();
-
-            if (!status.isOK()) {
-                // An error occurred but the write might have actually been applied on the
-                // other side. Schedule an unlock to clean it up just in case.
-                queueUnlock(lockSessionID);
-                return status;
-            }
-
-            string errmsg;
-            if (lockDoc.isValid(&errmsg)) {
-                // Lock is acquired since findAndModify was able to successfully modify
-                // the lock document.
-                return ScopedDistLock(lockSessionID, this);
-            }
-
-            // TODO: implement lock overtaking here.
-
-            if (waitFor == milliseconds::zero()) break;
-
-            // Periodically message for debugging reasons
-            if (msgTimer.seconds() > 10) {
-                LOG(0) << "waited " << timer.seconds() << "s for distributed lock " << name
-                       << " for " << whyMessage;
-
-                msgTimer.reset();
-            }
-
-            milliseconds timeRemaining =
-                    std::max(milliseconds::zero(), waitFor - milliseconds(timer.millis()));
-            sleepmillis(std::min(lockTryInterval, timeRemaining).count());
-        }
-
-        return {ErrorCodes::LockBusy, str::stream() << "timed out waiting for " << name};
-    }
-
-    void ReplSetDistLockManager::unlock(const DistLockHandle& lockHandle) {
-        queueUnlock(lockHandle);
-    }
-
-    Status ReplSetDistLockManager::checkStatus(const DistLockHandle& lockHandle) {
-        invariant(false);
-        return {ErrorCodes::InternalError, "not yet implemented"};
-    }
-
-    void ReplSetDistLockManager::queueUnlock(const OID& lockSessionID) {
-        // TODO: make this asynchronous
-        auto unlockStatus = _catalog->unlock(lockSessionID);
-    }
-}