forked from mirror/redis
106 lines
1.9 KiB
Go
106 lines
1.9 KiB
Go
package pool
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import (
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"net"
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"sync/atomic"
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"time"
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"github.com/go-redis/redis/internal/proto"
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)
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var noDeadline = time.Time{}
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type Conn struct {
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netConn net.Conn
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Rd *proto.Reader
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wb *proto.WriteBuffer
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concurrentReadWrite bool
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Inited bool
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pooled bool
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usedAt atomic.Value
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}
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func NewConn(netConn net.Conn) *Conn {
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cn := &Conn{
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netConn: netConn,
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}
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buf := proto.NewElasticBufReader(netConn)
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cn.Rd = proto.NewReader(buf)
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cn.wb = proto.NewWriteBuffer()
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cn.SetUsedAt(time.Now())
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return cn
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}
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func (cn *Conn) UsedAt() time.Time {
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return cn.usedAt.Load().(time.Time)
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}
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func (cn *Conn) SetUsedAt(tm time.Time) {
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cn.usedAt.Store(tm)
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}
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func (cn *Conn) SetNetConn(netConn net.Conn) {
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cn.netConn = netConn
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cn.Rd.Reset(netConn)
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}
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func (cn *Conn) IsStale(timeout time.Duration) bool {
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return timeout > 0 && time.Since(cn.UsedAt()) > timeout
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}
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func (cn *Conn) SetReadTimeout(timeout time.Duration) {
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now := time.Now()
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cn.SetUsedAt(now)
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if timeout > 0 {
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cn.netConn.SetReadDeadline(now.Add(timeout))
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} else {
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cn.netConn.SetReadDeadline(noDeadline)
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}
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}
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func (cn *Conn) SetWriteTimeout(timeout time.Duration) {
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now := time.Now()
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cn.SetUsedAt(now)
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if timeout > 0 {
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cn.netConn.SetWriteDeadline(now.Add(timeout))
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} else {
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cn.netConn.SetWriteDeadline(noDeadline)
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}
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}
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func (cn *Conn) Write(b []byte) (int, error) {
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return cn.netConn.Write(b)
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}
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func (cn *Conn) RemoteAddr() net.Addr {
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return cn.netConn.RemoteAddr()
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}
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func (cn *Conn) EnableConcurrentReadWrite() {
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cn.concurrentReadWrite = true
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cn.wb.ResetBuffer(make([]byte, 4096))
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}
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func (cn *Conn) PrepareWriteBuffer() *proto.WriteBuffer {
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if !cn.concurrentReadWrite {
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cn.wb.ResetBuffer(cn.Rd.Buffer())
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}
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cn.wb.Reset()
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return cn.wb
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}
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func (cn *Conn) FlushWriteBuffer(wb *proto.WriteBuffer) error {
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_, err := cn.netConn.Write(wb.Bytes())
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if !cn.concurrentReadWrite {
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cn.Rd.ResetBuffer(wb.Buffer())
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}
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return err
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}
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func (cn *Conn) Close() error {
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return cn.netConn.Close()
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}
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