beegfs/meta/source/net/message/storage/moving/MovingDirInsertMsgEx.h
2025-08-10 01:34:16 +02:00

52 lines
1.8 KiB
C++

#pragma once
#include <common/storage/StorageErrors.h>
#include <common/net/message/storage/moving/MovingDirInsertMsg.h>
#include <common/net/message/storage/moving/MovingDirInsertRespMsg.h>
#include <storage/MetaStore.h>
#include <net/message/MirroredMessage.h>
// Move directory to another meta-data server
class MovingDirInsertMsgEx : public MirroredMessage<MovingDirInsertMsg,
std::tuple<FileIDLock, ParentNameLock>>
{
public:
typedef ErrorCodeResponseState<MovingDirInsertRespMsg, NETMSGTYPE_MovingDirInsert>
ResponseState;
virtual bool processIncoming(ResponseContext& ctx) override;
std::tuple<FileIDLock, ParentNameLock> lock(EntryLockStore& store) override
{
// we must not lock the directory if it is owned by the current node. if it is, the
// current message was also sent by the local node, specifically by a RmDirMsgEx, which
// also locks the directory for write
if (rctx->isLocallyGenerated())
return {};
FileIDLock dirLock(&store, getToDirInfo()->getEntryID(), true);
ParentNameLock nameLock(&store, getToDirInfo()->getEntryID(), getNewName());
return std::make_tuple(std::move(dirLock), std::move(nameLock));
}
bool isMirrored() override { return getToDirInfo()->getIsBuddyMirrored(); }
private:
ResponseContext* rctx;
std::unique_ptr<MirroredMessageResponseState> executeLocally(ResponseContext& ctx,
bool isSecondary) override;
void forwardToSecondary(ResponseContext& ctx) override;
FhgfsOpsErr processSecondaryResponse(NetMessage& resp) override
{
return static_cast<MovingDirInsertRespMsg&>(resp).getResult();
}
const char* mirrorLogContext() const override { return "MovingDirInsertMsgEx/forward"; }
};