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mirror of https://github.com/charlienet/go-mixed.git synced 2025-07-18 08:32:40 +08:00

2 Commits

Author SHA1 Message Date
fe5c0b54b6 locker 2024-05-28 04:08:50 +08:00
54fbe8eb0a locker 2024-05-28 04:05:37 +08:00
2 changed files with 56 additions and 38 deletions

View File

@ -17,6 +17,7 @@ func newMemStore(size uint) *memStore {
return &memStore{ return &memStore{
size: size, size: size,
set: bitset.New(size), set: bitset.New(size),
lock: locker.RWLocker{},
} }
} }

View File

@ -3,94 +3,111 @@ package locker
import ( import (
"log" "log"
"sync" "sync"
"github.com/charlienet/go-mixed/redis"
) )
type WithLocker struct { var empty = &emptyLocker{}
type Locker struct {
once sync.Once once sync.Once
mu Locker distributedLocker DistributedLocker // 分布式锁
mu locker
} }
func (w *WithLocker) Synchronize() { func (w *Locker) WithRedis(key string, rdb redis.Client) *Locker {
if w.mu == nil || w.mu == EmptyLocker { return w
}
func (w *Locker) WithDistributedLocker(d DistributedLocker) *Locker {
return w
}
func (w *Locker) Synchronize() *Locker {
if w.mu == nil || w.mu == empty {
w.mu = NewLocker() w.mu = NewLocker()
} }
return w
} }
func (w *WithLocker) Lock() { func (w *Locker) Lock() {
w.ensureLocker().Lock() w.ensureLocker().mu.Lock()
} }
func (w *WithLocker) Unlock() { func (w *Locker) Unlock() {
w.ensureLocker().Unlock() w.ensureLocker().mu.Unlock()
} }
func (w *WithLocker) TryLock() bool { func (w *Locker) TryLock() bool {
return w.ensureLocker().TryLock() return w.ensureLocker().mu.TryLock()
} }
func (w *WithLocker) ensureLocker() Locker { func (w *Locker) ensureLocker() *Locker {
w.once.Do(func() { w.once.Do(func() {
if w.mu == nil { if w.mu == nil {
w.mu = EmptyLocker w.mu = empty
} }
}) })
return w.mu return w
} }
type WithSpinLocker struct { type SpinLocker struct {
WithLocker Locker
} }
func (w *WithSpinLocker) Synchronize() { func (w *SpinLocker) Synchronize() {
if w.mu == nil || w.mu == EmptyLocker { if w.mu == nil || w.mu == empty {
w.mu = NewSpinLocker() w.mu = NewSpinLocker()
} }
} }
type WithRWLocker struct { type RWLocker struct {
once sync.Once once sync.Once
mu RWLocker mu rwLocker
} }
func (w *WithRWLocker) Synchronize() { func (w *RWLocker) Synchronize() *RWLocker {
if w.mu == nil || w.mu == EmptyLocker { if w.mu == nil || w.mu == empty {
log.Println("初始化有效锁")
w.mu = NewRWLocker() w.mu = NewRWLocker()
} }
return w
} }
func (w *WithRWLocker) Lock() { func (w *RWLocker) Lock() {
w.ensureLocker().Lock() w.ensureLocker().mu.Lock()
} }
func (w *WithRWLocker) TryLock() bool { func (w *RWLocker) TryLock() bool {
return w.ensureLocker().TryLock() return w.ensureLocker().mu.TryLock()
} }
func (w *WithRWLocker) Unlock() { func (w *RWLocker) Unlock() {
w.ensureLocker().Unlock() w.ensureLocker().mu.Unlock()
} }
func (w *WithRWLocker) RLock() { func (w *RWLocker) RLock() {
w.ensureLocker().RLock() w.ensureLocker().mu.RLock()
} }
func (w *WithRWLocker) TryRLock() bool { func (w *RWLocker) TryRLock() bool {
return w.ensureLocker().TryRLock() return w.ensureLocker().mu.TryRLock()
} }
func (w *WithRWLocker) RUnlock() { func (w *RWLocker) RUnlock() {
w.ensureLocker().RUnlock() w.ensureLocker().mu.RUnlock()
} }
func (w *WithRWLocker) ensureLocker() RWLocker { func (w *RWLocker) ensureLocker() *RWLocker {
w.once.Do(func() { w.once.Do(func() {
if w.mu == nil { if w.mu == nil {
log.Println("初始化一个空锁") log.Println("初始化一个空锁")
w.mu = EmptyLocker w.mu = empty
} }
}) })
return w.mu return w
} }