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/**
* Copyright (C) 2023-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/db/dump_lock_manager_impl.h"
#include "mongo/base/shim.h"
#include "mongo/db/client.h"
#include "mongo/db/concurrency/lock_manager.h"
#include "mongo/db/dump_lock_manager.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/service_context.h"
#include "mongo/db/transaction_resources.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
namespace mongo {
namespace {
template <typename T>
std::string formatHex(T&& x) {
return format(FMT_STRING("{:#x}"), x);
}
std::string formatPtr(const void* x) {
return formatHex(reinterpret_cast<uintptr_t>(x));
}
void dumpLockManagerImpl() {
auto service = getGlobalServiceContext();
auto lockManager = LockManager::get(service);
BSONArrayBuilder locks;
lockManager->getLockInfoArray(getLockerIdToClientMap(service), true, nullptr, &locks);
LOGV2_OPTIONS(20521,
logv2::LogTruncation::Disabled,
"lock manager dump",
"addr"_attr = formatPtr(lockManager),
"locks"_attr = locks.arr());
}
auto dumpLockManagerRegistration =
MONGO_WEAK_FUNCTION_REGISTRATION(dumpLockManager, dumpLockManagerImpl);
} // namespace
std::map<LockerId, BSONObj> getLockerIdToClientMap(ServiceContext* serviceContext) {
std::map<LockerId, BSONObj> lockToClientMap;
for (ServiceContext::LockedClientsCursor cursor(serviceContext);
Client* client = cursor.next();) {
invariant(client);
stdx::lock_guard<Client> lk(*client);
const OperationContext* clientOpCtx = client->getOperationContext();
// Operation context specific information
if (clientOpCtx) {
BSONObjBuilder infoBuilder;
// The client information
client->reportState(infoBuilder);
infoBuilder.append("opid", static_cast<int>(clientOpCtx->getOpID()));
LockerId lockerId = shard_role_details::getLocker(clientOpCtx)->getId();
lockToClientMap.insert({lockerId, infoBuilder.obj()});
}
}
return lockToClientMap;
}
} // namespace mongo
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