87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
#pragma once
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#include <common/net/message/storage/creating/UnlinkLocalFileInodeMsg.h>
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#include <common/net/message/storage/creating/UnlinkLocalFileInodeRespMsg.h>
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#include <session/EntryLock.h>
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#include <storage/MetaStore.h>
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#include <net/message/MirroredMessage.h>
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class UnlinkLocalFileInodeResponseState : public MirroredMessageResponseState
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{
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public:
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UnlinkLocalFileInodeResponseState() : result(FhgfsOpsErr_INTERNAL), preUnlinkHardlinkCount(0) {}
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UnlinkLocalFileInodeResponseState(FhgfsOpsErr result, unsigned linkCount) :
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result(result), preUnlinkHardlinkCount(linkCount) {}
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explicit UnlinkLocalFileInodeResponseState(Deserializer& des)
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{
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serialize(this, des);
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}
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UnlinkLocalFileInodeResponseState(UnlinkLocalFileInodeResponseState&& other) :
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result(other.result), preUnlinkHardlinkCount(other.preUnlinkHardlinkCount) {}
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void sendResponse(NetMessage::ResponseContext& ctx) override
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{
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UnlinkLocalFileInodeRespMsg resp(result, preUnlinkHardlinkCount);
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ctx.sendResponse(resp);
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}
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void setResult(FhgfsOpsErr res) { this->result = res; }
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void setPreUnlinkHardlinkCount(unsigned linkCount) { this->preUnlinkHardlinkCount = linkCount; }
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bool changesObservableState() const override { return true; }
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protected:
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uint32_t serializerTag() const override { return NETMSGTYPE_UnlinkLocalFileInodeResp; }
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template<typename This, typename Ctx>
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static void serialize(This obj, Ctx& ctx)
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{
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ctx
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% obj->result
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% obj->preUnlinkHardlinkCount;
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}
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void serializeContents(Serializer& ser) const override
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{
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serialize(this, ser);
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}
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private:
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FhgfsOpsErr result;
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// The preUnlinkHardlinkCount represents the number of hardlinks that existed before
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// the actual unlink happens. This is mainly needed for event logging purposes.
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unsigned preUnlinkHardlinkCount;
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};
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class UnlinkLocalFileInodeMsgEx : public MirroredMessage<UnlinkLocalFileInodeMsg,
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std::tuple<HashDirLock, FileIDLock>>
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{
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public:
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typedef UnlinkLocalFileInodeResponseState ResponseState;
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virtual bool processIncoming(ResponseContext& ctx) override;
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std::unique_ptr<MirroredMessageResponseState> executeLocally(ResponseContext& ctx,
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bool isSecondary) override;
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std::tuple<HashDirLock, FileIDLock> lock(EntryLockStore& store) override;
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bool isMirrored() override { return getDelEntryInfo()->getIsBuddyMirrored(); }
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private:
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ResponseContext* rctx;
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void forwardToSecondary(ResponseContext& ctx) override;
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FhgfsOpsErr processSecondaryResponse(NetMessage& resp) override
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{
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return (FhgfsOpsErr) static_cast<UnlinkLocalFileInodeRespMsg&>(resp).getResult();
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}
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const char* mirrorLogContext() const override
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{
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return "UnlinkLocalFileInodeMsgEx/forward";
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}
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};
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