redis/go-redis
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Cleanup

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This commit is contained in:
Vladimir Mihailenco
2019-06-17 12:32:40 +03:00
parent aa5f492665
commit 3bdf64784a
8 changed files with 77 additions and 89 deletions
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81
internal/pool/pool.go
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@ -139,10 +139,11 @@ func (p *ConnPool) _NewConn(ctx context.Context, pooled bool) (*Conn, error) {
p.connsMu.Lock()
p.conns = append(p.conns, cn)
if pooled {
if p.poolSize < p.opt.PoolSize {
p.poolSize++
} else {
// If pool is full remove the cn on next Put.
if p.poolSize >= p.opt.PoolSize {
cn.pooled = false
} else {
p.poolSize++
}
}
p.connsMu.Unlock()
@ -315,18 +316,23 @@ func (p *ConnPool) Put(cn *Conn) {
}
func (p *ConnPool) Remove(cn *Conn) {
p.removeConn(cn)
p.removeConnWithLock(cn)
p.freeTurn()
_ = p.closeConn(cn)
}
func (p *ConnPool) CloseConn(cn *Conn) error {
p.removeConn(cn)
p.removeConnWithLock(cn)
return p.closeConn(cn)
}
func (p *ConnPool) removeConn(cn *Conn) {
func (p *ConnPool) removeConnWithLock(cn *Conn) {
p.connsMu.Lock()
p.removeConn(cn)
p.connsMu.Unlock()
}
func (p *ConnPool) removeConn(cn *Conn) {
for i, c := range p.conns {
if c == cn {
p.conns = append(p.conns[:i], p.conns[i+1:]...)
@ -334,10 +340,9 @@ func (p *ConnPool) removeConn(cn *Conn) {
p.poolSize--
p.checkMinIdleConns()
}
break
return
}
}
p.connsMu.Unlock()
}
func (p *ConnPool) closeConn(cn *Conn) error {
@ -415,20 +420,21 @@ func (p *ConnPool) Close() error {
return firstErr
}
func (p *ConnPool) reapStaleConn() *Conn {
if len(p.idleConns) == 0 {
return nil
func (p *ConnPool) reaper(frequency time.Duration) {
ticker := time.NewTicker(frequency)
defer ticker.Stop()
for range ticker.C {
if p.closed() {
break
}
n, err := p.ReapStaleConns()
if err != nil {
internal.Logger.Printf("ReapStaleConns failed: %s", err)
continue
}
atomic.AddUint32(&p.stats.StaleConns, uint32(n))
}
cn := p.idleConns[0]
if !p.isStaleConn(cn) {
return nil
}
p.idleConns = append(p.idleConns[:0], p.idleConns[1:]...)
p.idleConnsLen--
return cn
}
func (p *ConnPool) ReapStaleConns() (int, error) {
@ -439,11 +445,6 @@ func (p *ConnPool) ReapStaleConns() (int, error) {
p.connsMu.Lock()
cn := p.reapStaleConn()
p.connsMu.Unlock()
if cn != nil {
p.removeConn(cn)
}
p.freeTurn()
if cn != nil {
@ -456,21 +457,21 @@ func (p *ConnPool) ReapStaleConns() (int, error) {
return n, nil
}
func (p *ConnPool) reaper(frequency time.Duration) {
ticker := time.NewTicker(frequency)
defer ticker.Stop()
for range ticker.C {
if p.closed() {
break
}
n, err := p.ReapStaleConns()
if err != nil {
internal.Logf("ReapStaleConns failed: %s", err)
continue
}
atomic.AddUint32(&p.stats.StaleConns, uint32(n))
func (p *ConnPool) reapStaleConn() *Conn {
if len(p.idleConns) == 0 {
return nil
}
cn := p.idleConns[0]
if !p.isStaleConn(cn) {
return nil
}
p.idleConns = append(p.idleConns[:0], p.idleConns[1:]...)
p.idleConnsLen--
p.removeConn(cn)
return cn
}
func (p *ConnPool) isStaleConn(cn *Conn) bool {