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gitea/vendor/github.com/go-redis/redis/internal/pool/conn.go

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package pool
import (
"net"
"sync/atomic"
"time"
"github.com/go-redis/redis/internal/proto"
)
var noDeadline = time.Time{}
type Conn struct {
netConn net.Conn
rd *proto.Reader
rdLocked bool
wr *proto.Writer
InitedAt time.Time
pooled bool
usedAt atomic.Value
}
func NewConn(netConn net.Conn) *Conn {
cn := &Conn{
netConn: netConn,
}
cn.rd = proto.NewReader(netConn)
cn.wr = proto.NewWriter(netConn)
cn.SetUsedAt(time.Now())
return cn
}
func (cn *Conn) UsedAt() time.Time {
return cn.usedAt.Load().(time.Time)
}
func (cn *Conn) SetUsedAt(tm time.Time) {
cn.usedAt.Store(tm)
}
func (cn *Conn) SetNetConn(netConn net.Conn) {
cn.netConn = netConn
cn.rd.Reset(netConn)
cn.wr.Reset(netConn)
}
func (cn *Conn) setReadTimeout(timeout time.Duration) error {
now := time.Now()
cn.SetUsedAt(now)
if timeout > 0 {
return cn.netConn.SetReadDeadline(now.Add(timeout))
}
return cn.netConn.SetReadDeadline(noDeadline)
}
func (cn *Conn) setWriteTimeout(timeout time.Duration) error {
now := time.Now()
cn.SetUsedAt(now)
if timeout > 0 {
return cn.netConn.SetWriteDeadline(now.Add(timeout))
}
return cn.netConn.SetWriteDeadline(noDeadline)
}
func (cn *Conn) Write(b []byte) (int, error) {
return cn.netConn.Write(b)
}
func (cn *Conn) RemoteAddr() net.Addr {
return cn.netConn.RemoteAddr()
}
func (cn *Conn) WithReader(timeout time.Duration, fn func(rd *proto.Reader) error) error {
_ = cn.setReadTimeout(timeout)
return fn(cn.rd)
}
func (cn *Conn) WithWriter(timeout time.Duration, fn func(wr *proto.Writer) error) error {
_ = cn.setWriteTimeout(timeout)
firstErr := fn(cn.wr)
err := cn.wr.Flush()
if err != nil && firstErr == nil {
firstErr = err
}
return firstErr
}
func (cn *Conn) Close() error {
return cn.netConn.Close()
}