Revert "SERVER-28562 Move LogicalTime HMAC computation outside collection lock"

This reverts commit 1a6c4ecddfa4bb7a7275dc4b1bf5b79222aa4b72.

1 files changed, 0 insertions, 110 deletions

diff --git a/src/mongo/db/logical_time_validator.cpp b/src/mongo/db/logical_time_validator.cpp
deleted file mode 100644
index 3e6e4466742..00000000000
--- a/src/mongo/db/logical_time_validator.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/**
- *    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.
- */
-
-#include "mongo/platform/basic.h"
-
-#include "mongo/db/logical_time_validator.h"
-
-#include "mongo/db/operation_context.h"
-#include "mongo/db/service_context.h"
-
-namespace mongo {
-
-namespace {
-const auto getLogicalClockValidator =
-    ServiceContext::declareDecoration<std::unique_ptr<LogicalTimeValidator>>();
-stdx::mutex validatorMutex;
-
-// TODO: SERVER-28127 Implement KeysCollectionManager
-// Remove _tempKey and its uses from logical clock, and pass actual key from key manager.
-TimeProofService::Key tempKey = {};
-}
-
-LogicalTimeValidator* LogicalTimeValidator::get(ServiceContext* service) {
-    stdx::lock_guard<stdx::mutex> lk(validatorMutex);
-    return getLogicalClockValidator(service).get();
-}
-
-LogicalTimeValidator* LogicalTimeValidator::get(OperationContext* ctx) {
-    return get(ctx->getClient()->getServiceContext());
-}
-
-void LogicalTimeValidator::set(ServiceContext* service,
-                               std::unique_ptr<LogicalTimeValidator> newValidator) {
-    stdx::lock_guard<stdx::mutex> lk(validatorMutex);
-    auto& validator = getLogicalClockValidator(service);
-    validator = std::move(newValidator);
-}
-
-SignedLogicalTime LogicalTimeValidator::signLogicalTime(const LogicalTime& newTime) {
-    // Compare and calculate HMAC inside mutex to prevent multiple threads computing HMAC for the
-    // same logical time.
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
-    if (newTime == _lastSeenValidTime.getTime()) {
-        return _lastSeenValidTime;
-    }
-
-    auto signature = _timeProofService.getProof(newTime, tempKey);
-    SignedLogicalTime newSignedTime(newTime, std::move(signature), 0);
-
-    if (newTime > _lastSeenValidTime.getTime()) {
-        _lastSeenValidTime = newSignedTime;
-    }
-
-    return newSignedTime;
-}
-
-Status LogicalTimeValidator::validate(const SignedLogicalTime& newTime) {
-    {
-        stdx::lock_guard<stdx::mutex> lk(_mutex);
-        if (newTime.getTime() == _lastSeenValidTime.getTime()) {
-            return Status::OK();
-        }
-    }
-
-    const auto newProof = newTime.getProof();
-    // Logical time is only sent if a server's clock can verify and sign logical times, so any
-    // received logical times should have proofs.
-    invariant(newProof);
-
-    auto res = _timeProofService.checkProof(newTime.getTime(), newProof.get(), tempKey);
-    if (res != Status::OK()) {
-        return res;
-    }
-
-    return Status::OK();
-}
-
-void LogicalTimeValidator::updateCacheTrustedSource(const SignedLogicalTime& newTime) {
-    stdx::lock_guard<stdx::mutex> lk(_mutex);
-    if (newTime.getTime() > _lastSeenValidTime.getTime()) {
-        _lastSeenValidTime = newTime;
-    }
-}
-
-}  // namespace mongo