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/**
* Copyright (C) 2018 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/client/dbclient_connection.h"
#include "mongo/base/checked_cast.h"
#include "mongo/rpc/get_status_from_command_result.h"
#include "mongo/unittest/integration_test.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
const auto sleepCmd = fromjson(R"({sleep: 1, locks: 'none', secs: 100})");
constexpr StringData kAppName = "DBClientConnectionTest"_sd;
class DBClientConnectionFixture : public unittest::Test {
public:
static std::unique_ptr<DBClientConnection> makeConn(StringData name = kAppName) {
std::string errMsg;
auto connHolder = std::unique_ptr<DBClientBase>(
unittest::getFixtureConnectionString().connect(name, errMsg));
uassert(ErrorCodes::SocketException, errMsg, connHolder);
auto conn = dynamic_cast<DBClientConnection*>(connHolder.get());
invariant(conn);
connHolder.release();
return std::unique_ptr<DBClientConnection>(conn);
}
void tearDown() override {
// resmoke hangs if there are any ops still running on the server, so try to clean up after
// ourselves.
auto conn = makeConn(kAppName + "-cleanup");
BSONObj currOp;
if (!conn->simpleCommand("admin", &currOp, "currentOp"))
uassertStatusOK(getStatusFromCommandResult(currOp));
for (auto&& op : currOp["inprog"].Obj()) {
try {
if (op["clientMetadata"]["application"]["name"].String() != kAppName) {
continue;
}
} catch (const DBException&) {
// Ignore ops that don't have the right format since they can't be the one we are
// looking for.
continue;
}
// Ignore failures to clean up.
BSONObj ignored;
(void)conn->runCommand("admin", BSON("killOp" << 1 << "op" << op["opid"]), ignored);
}
}
};
TEST_F(DBClientConnectionFixture, shutdownWorksIfCalledFirst) {
auto conn = makeConn();
conn->shutdownAndDisallowReconnect();
BSONObj reply;
ASSERT_THROWS(conn->runCommand("admin", sleepCmd, reply),
ExceptionForCat<ErrorCategory::NetworkError>); // Currently SocketException.
}
TEST_F(DBClientConnectionFixture, shutdownWorksIfRunCommandInProgress) {
auto conn = makeConn();
stdx::thread shutdownThread([&] {
// Try to make this run while the connection is blocked in recv.
sleepmillis(100);
conn->shutdownAndDisallowReconnect();
});
ON_BLOCK_EXIT([&] { shutdownThread.join(); });
BSONObj reply;
ASSERT_THROWS(conn->runCommand("admin", sleepCmd, reply),
ExceptionForCat<ErrorCategory::NetworkError>); // Currently HostUnreachable.
}
} // namespace
} // namespace mongo
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