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mirror of https://github.com/charlienet/go-mixed.git synced 2025-07-18 00:22:41 +08:00

5 Commits

Author SHA1 Message Date
1abde30d8f locker 2024-05-28 04:17:26 +08:00
822932fe15 use base locker 2024-05-28 04:14:08 +08:00
85c5a611e1 bbb 2024-05-28 04:12:50 +08:00
fe5c0b54b6 locker 2024-05-28 04:08:50 +08:00
54fbe8eb0a locker 2024-05-28 04:05:37 +08:00
6 changed files with 70 additions and 71 deletions

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@ -2,15 +2,15 @@ package bloom
import ( import (
"context" "context"
"sync"
"github.com/bits-and-blooms/bitset" "github.com/bits-and-blooms/bitset"
"github.com/charlienet/go-mixed/locker"
) )
type memStore struct { type memStore struct {
size uint size uint
set *bitset.BitSet // 内存位图 set *bitset.BitSet // 内存位图
lock locker.RWLocker // 同步锁 lock sync.RWMutex // 同步锁
} }
func newMemStore(size uint) *memStore { func newMemStore(size uint) *memStore {

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@ -1,14 +1,9 @@
package locker package locker
var _ RWLocker = &emptyLocker{} var _ rwLocker = &emptyLocker{}
var _ Locker = &emptyLocker{} var _ locker = &emptyLocker{}
var EmptyLocker = &emptyLocker{} type emptyLocker struct {
type emptyLocker struct{}
func NewEmptyLocker() *emptyLocker {
return &emptyLocker{}
} }
func (l *emptyLocker) RLock() {} func (l *emptyLocker) RLock() {}

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@ -2,14 +2,16 @@ package locker
import "sync" import "sync"
type Locker interface { type locker interface {
Lock() Lock()
Unlock() Unlock()
TryLock() bool TryLock() bool
} }
type RWLocker interface { type rwLocker interface {
Locker Lock()
Unlock()
TryLock() bool
RLock() RLock()
RUnlock() RUnlock()
TryRLock() bool TryRLock() bool
@ -18,3 +20,7 @@ type RWLocker interface {
func NewLocker() *sync.Mutex { func NewLocker() *sync.Mutex {
return &sync.Mutex{} return &sync.Mutex{}
} }
func NewRWLocker() *sync.RWMutex {
return &sync.RWMutex{}
}

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@ -1,7 +0,0 @@
package locker
import "sync"
func NewRWLocker() *sync.RWMutex {
return &sync.RWMutex{}
}

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@ -1,12 +0,0 @@
package locker
import "testing"
func TestRWLokcer(t *testing.T) {
l := NewRWLocker()
l.RLock()
t.Log(l.TryRLock())
l.RUnlock()
}

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@ -3,94 +3,111 @@ package locker
import ( import (
"log" "log"
"sync" "sync"
"github.com/charlienet/go-mixed/redis"
) )
type WithLocker struct { var empty = &emptyLocker{}
once sync.Once
mu Locker type Locker struct {
once sync.Once
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
} }