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* add redis queue * finished indexer redis queue * add redis vendor * fix vet * Update docs/content/doc/advanced/config-cheat-sheet.en-us.md Co-Authored-By: lunny <xiaolunwen@gmail.com> * switch to go mod * Update required changes for new logging func signatures
110 lines
1.5 KiB
Go
110 lines
1.5 KiB
Go
package pool
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import "sync"
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type StickyConnPool struct {
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pool *ConnPool
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reusable bool
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cn *Conn
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closed bool
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mu sync.Mutex
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}
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var _ Pooler = (*StickyConnPool)(nil)
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func NewStickyConnPool(pool *ConnPool, reusable bool) *StickyConnPool {
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return &StickyConnPool{
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pool: pool,
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reusable: reusable,
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}
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}
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func (p *StickyConnPool) NewConn() (*Conn, error) {
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panic("not implemented")
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}
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func (p *StickyConnPool) CloseConn(*Conn) error {
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panic("not implemented")
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}
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func (p *StickyConnPool) Get() (*Conn, error) {
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p.mu.Lock()
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defer p.mu.Unlock()
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if p.closed {
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return nil, ErrClosed
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}
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if p.cn != nil {
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return p.cn, nil
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}
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cn, err := p.pool.Get()
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if err != nil {
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return nil, err
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}
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p.cn = cn
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return cn, nil
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}
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func (p *StickyConnPool) putUpstream() {
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p.pool.Put(p.cn)
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p.cn = nil
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}
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func (p *StickyConnPool) Put(cn *Conn) {}
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func (p *StickyConnPool) removeUpstream() {
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p.pool.Remove(p.cn)
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p.cn = nil
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}
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func (p *StickyConnPool) Remove(cn *Conn) {
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p.removeUpstream()
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}
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func (p *StickyConnPool) Len() int {
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p.mu.Lock()
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defer p.mu.Unlock()
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if p.cn == nil {
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return 0
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}
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return 1
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}
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func (p *StickyConnPool) IdleLen() int {
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p.mu.Lock()
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defer p.mu.Unlock()
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if p.cn == nil {
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return 1
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}
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return 0
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}
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func (p *StickyConnPool) Stats() *Stats {
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return nil
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}
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func (p *StickyConnPool) Close() error {
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p.mu.Lock()
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defer p.mu.Unlock()
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if p.closed {
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return ErrClosed
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}
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p.closed = true
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if p.cn != nil {
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if p.reusable {
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p.putUpstream()
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} else {
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p.removeUpstream()
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}
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}
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return nil
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}
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