SERVER-35188 Rename ServiceLiason* types to ServiceLiaison*

1 files changed, 111 insertions, 0 deletions

diff --git a/src/mongo/db/service_liaison_mongod.cpp b/src/mongo/db/service_liaison_mongod.cpp
new file mode 100644
index 00000000000..a6e91477f6c
--- /dev/null
+++ b/src/mongo/db/service_liaison_mongod.cpp
@@ -0,0 +1,111 @@
+/**
+ *    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/service_liaison_mongod.h"
+
+#include "mongo/db/client.h"
+#include "mongo/db/cursor_manager.h"
+#include "mongo/db/operation_context.h"
+#include "mongo/db/service_context.h"
+#include "mongo/stdx/mutex.h"
+#include "mongo/util/clock_source.h"
+#include "mongo/util/periodic_runner.h"
+
+namespace mongo {
+
+LogicalSessionIdSet ServiceLiaisonMongod::getActiveOpSessions() const {
+    LogicalSessionIdSet activeSessions;
+
+    invariant(hasGlobalServiceContext());
+
+    // Walk through the service context and append lsids for all currently-running ops.
+    for (ServiceContext::LockedClientsCursor cursor(getGlobalServiceContext());
+         Client* client = cursor.next();) {
+
+        stdx::lock_guard<Client> lk(*client);
+        auto clientOpCtx = client->getOperationContext();
+
+        // Ignore clients without currently-running operations
+        if (!clientOpCtx)
+            continue;
+
+        // Append this op ctx's session to our list, if it has one
+        auto lsid = clientOpCtx->getLogicalSessionId();
+        if (lsid) {
+            activeSessions.insert(*lsid);
+        }
+    }
+    return activeSessions;
+}
+
+LogicalSessionIdSet ServiceLiaisonMongod::getOpenCursorSessions() const {
+    LogicalSessionIdSet cursorSessions;
+    // Append any in-use session ids from the global and collection-level cursor managers
+    boost::optional<ServiceContext::UniqueOperationContext> uniqueCtx;
+    auto client = Client::getCurrent();
+
+    auto* const opCtx = [&client, &uniqueCtx] {
+        if (client->getOperationContext()) {
+            return client->getOperationContext();
+        }
+
+        uniqueCtx.emplace(client->makeOperationContext());
+        return uniqueCtx->get();
+    }();
+
+    CursorManager::appendAllActiveSessions(opCtx, &cursorSessions);
+    return cursorSessions;
+}
+
+void ServiceLiaisonMongod::scheduleJob(PeriodicRunner::PeriodicJob job) {
+    invariant(hasGlobalServiceContext());
+    getGlobalServiceContext()->getPeriodicRunner()->scheduleJob(std::move(job));
+}
+
+void ServiceLiaisonMongod::join() {
+    invariant(hasGlobalServiceContext());
+    getGlobalServiceContext()->getPeriodicRunner()->shutdown();
+}
+
+Date_t ServiceLiaisonMongod::now() const {
+    invariant(hasGlobalServiceContext());
+    return getGlobalServiceContext()->getFastClockSource()->now();
+}
+
+ServiceContext* ServiceLiaisonMongod::_context() {
+    return getGlobalServiceContext();
+}
+
+std::pair<Status, int> ServiceLiaisonMongod::killCursorsWithMatchingSessions(
+    OperationContext* opCtx, const SessionKiller::Matcher& matcher) {
+    return CursorManager::getGlobalCursorManager()->killCursorsWithMatchingSessions(opCtx, matcher);
+}
+
+}  // namespace mongo