74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
#ifndef FLOCKAPPENDMSG_H_
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#define FLOCKAPPENDMSG_H_
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#include <common/net/message/NetMessage.h>
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#include <common/storage/EntryInfo.h>
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/**
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* This message is for serialiazation (outgoing) only, deserialization is not implemented!!
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*/
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struct FLockAppendMsg;
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typedef struct FLockAppendMsg FLockAppendMsg;
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static inline void FLockAppendMsg_init(FLockAppendMsg* this);
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static inline void FLockAppendMsg_initFromSession(FLockAppendMsg* this, NumNodeID clientNumID,
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const char* fileHandleID, const EntryInfo* entryInfo, int64_t clientFD, int ownerPID,
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int lockTypeFlags, const char* lockAckID);
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// virtual functions
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extern void FLockAppendMsg_serializePayload(NetMessage* this, SerializeCtx* ctx);
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struct FLockAppendMsg
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{
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NetMessage netMessage;
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NumNodeID clientNumID;
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const char* fileHandleID;
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unsigned fileHandleIDLen;
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const EntryInfo* entryInfoPtr; // not owned by this object
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int64_t clientFD; /* client-wide unique identifier (typically not really the fd number)
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* corresponds to 'struct file_lock* fileLock->fl_file on the client side'
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*/
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int ownerPID; // pid on client (just informative, because shared on fork() )
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int lockTypeFlags; // ENTRYLOCKTYPE_...
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const char* lockAckID; // ID for ack message when log is granted
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unsigned lockAckIDLen;
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};
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extern const struct NetMessageOps FLockAppendMsg_Ops;
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void FLockAppendMsg_init(FLockAppendMsg* this)
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{
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NetMessage_init(&this->netMessage, NETMSGTYPE_FLockAppend, &FLockAppendMsg_Ops);
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}
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/**
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* @param fileHandleID just a reference, so do not free it as long as you use this object!
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* @param entryInfo just a reference, so do not free it as long as you use this object!
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*/
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void FLockAppendMsg_initFromSession(FLockAppendMsg* this, NumNodeID clientNumID,
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const char* fileHandleID, const EntryInfo* entryInfo, int64_t clientFD, int ownerPID,
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int lockTypeFlags, const char* lockAckID)
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{
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FLockAppendMsg_init(this);
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this->clientNumID = clientNumID;
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this->fileHandleID = fileHandleID;
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this->fileHandleIDLen = strlen(fileHandleID);
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this->entryInfoPtr = entryInfo;
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this->clientFD = clientFD;
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this->ownerPID = ownerPID;
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this->lockTypeFlags = lockTypeFlags;
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this->lockAckID = lockAckID;
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this->lockAckIDLen = strlen(lockAckID);
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}
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#endif /* FLOCKAPPENDMSG_H_ */
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