forked from mirror/ledisdb
98 lines
1.3 KiB
Go
98 lines
1.3 KiB
Go
package ledis
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import (
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"container/list"
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"strings"
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"sync"
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"time"
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)
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const (
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pingPeriod time.Duration = 3 * time.Second
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)
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type Config struct {
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Addr string
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MaxIdleConns int
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}
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type Client struct {
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sync.Mutex
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cfg *Config
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conns *list.List
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}
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func getProto(addr string) string {
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if strings.Contains(addr, "/") {
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return "unix"
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} else {
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return "tcp"
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}
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}
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func NewClient(cfg *Config) *Client {
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c := new(Client)
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c.cfg = cfg
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c.conns = list.New()
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return c
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}
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func (c *Client) Do(cmd string, args ...interface{}) (interface{}, error) {
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co := c.get()
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r, err := co.Do(cmd, args...)
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c.put(co)
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return r, err
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}
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func (c *Client) Close() {
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c.Lock()
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defer c.Unlock()
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for c.conns.Len() > 0 {
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e := c.conns.Front()
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co := e.Value.(*Conn)
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c.conns.Remove(e)
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co.finalize()
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}
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}
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func (c *Client) Get() *Conn {
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return c.get()
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}
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func (c *Client) get() *Conn {
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c.Lock()
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if c.conns.Len() == 0 {
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c.Unlock()
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return c.newConn(c.cfg.Addr)
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} else {
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e := c.conns.Front()
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co := e.Value.(*Conn)
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c.conns.Remove(e)
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c.Unlock()
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return co
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}
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}
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func (c *Client) put(conn *Conn) {
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c.Lock()
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if c.conns.Len() >= c.cfg.MaxIdleConns {
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c.Unlock()
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conn.finalize()
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} else {
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conn.lastActive = time.Now()
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c.conns.PushFront(conn)
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c.Unlock()
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}
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}
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