models

type Item struct {
	Key   string
	Value []byte
	Flags uint32
	CAS   uint64

	// TTL-related fields (from metadump)
	Expiration int64 // Unix timestamp (0 = permanent)
	LastAccess int64 // Last access time

	// Computed fields
	TTLRemaining int64 // Remaining TTL in seconds (calculated in real-time)
	IsExpired    bool  // Expiration flag
}

type KeyInfo struct {
	Key        string // Key name
	Expiration int64  // Unix timestamp (0 = permanent)
	LastAccess int64  // Last access timestamp
	CAS        uint64 // CAS value
	Fetch      bool   // Whether fetch has been performed
	SlabClass  int    // Slab class ID
	Size       int    // Size in bytes
}

type SlabItemStats struct {
	SlabID    int   // Slab class ID
	Number    int64 // Number of items in this slab class
	Age       int64 // Age of oldest item in seconds
	Evicted   int64 // Items evicted from this slab class
	EvictedNZ int64 // Items evicted with non-zero TTL
	Outofmem  int64 // Times memory allocation failed
}

type SlabStats struct {
	SlabID     int   // Slab class ID
	ChunkSize  int64 // Bytes per chunk
	Chunks     int64 // Total chunks in this slab class
	UsedChunks int64 // Chunks currently in use
	FreeChunks int64 // Chunks not in use
	MemReq     int64 // Memory requested for this slab class
}

type SlabsStats struct {
	ActiveSlabs   int                // Number of active slab classes
	TotalMalloced int64              // Total memory allocated for slabs
	Slabs         map[int]*SlabStats // Per-slab statistics
}

type SortOrder int

type Stats struct {
	// Process info
	PID    int   // Process ID
	Uptime int64 // Seconds since server start

	// Version
	Version string // Memcached version string

	// Connections
	CurrentConnections int   // Current open connections
	TotalConnections   int64 // Total connections since start

	// Items
	CurrentItems int64 // Current number of items stored
	TotalItems   int64 // Total items stored since start

	// Memory
	Bytes         int64 // Current bytes used for storage
	LimitMaxBytes int64 // Maximum bytes allowed (limit_maxbytes)

	// Cache performance
	GetHits   int64   // Cache hits
	GetMisses int64   // Cache misses
	Evictions int64   // Items evicted to free memory
	HitRate   float64 // Calculated hit rate percentage

	// Network I/O
	BytesRead    int64 // Total bytes read from network
	BytesWritten int64 // Total bytes written to network

	// Raw contains all STAT key-value pairs
	Raw map[string]string
}