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By Golang realize distributed common connection pool.
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Golang分布式的连接池，协程池，内含redis client连接池实现
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go get github.com/aosen/gopool
var addrs []string = []string{"127.0.0.1:8000", "127.0.0.1:8001", "127.0.0.1:8002", "127.0.0.1:8003"}
var epool Pooler
func InitExpPool() (err error) {
if epool == nil {
epool, err = NewChanConnPool(&ConnPoolReq{
Addrs: addrs,
Create: func(addr string, timeout time.Duration) (interface{}, error) {
cli, err := net.DialTimeout("tcp", addr, timeout)
return cli, err
},
IsOpen: func(cli interface{}) bool {
if cli != nil {
return true
}
return false
},
Down: func(cli interface{}) {
c := cli.(net.Conn)
c.Close()
},
})
return
}
return
}
func Get() (cli net.Conn, err error) {
if epool == nil {
err = errors.New("no init epool.")
return
}
cli, err = epool.Get()
return
}
func Put(cli net.Conn, safe bool) {
if epool == nil {
err := errors.New("no init epool.")
return
}
epool.Put(cli, safe)
}
func GetHealthy() map[string]bool {
if epool == nil {
return nil
}
return epool.GetHealthy()
}
func GetConnCount() map[string]int {
if epool == nil {
return nil
}
return epool.GetConnCount()
}