diff options
Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/conn.go | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/conn.go b/dependencies/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/conn.go new file mode 100644 index 0000000..5661659 --- /dev/null +++ b/dependencies/pkg/mod/github.com/go-redis/redis/v8@v8.11.5/internal/pool/conn.go @@ -0,0 +1,121 @@ +package pool + +import ( + "bufio" + "context" + "net" + "sync/atomic" + "time" + + "github.com/go-redis/redis/v8/internal/proto" +) + +var noDeadline = time.Time{} + +type Conn struct { + usedAt int64 // atomic + netConn net.Conn + + rd *proto.Reader + bw *bufio.Writer + wr *proto.Writer + + Inited bool + pooled bool + createdAt time.Time +} + +func NewConn(netConn net.Conn) *Conn { + cn := &Conn{ + netConn: netConn, + createdAt: time.Now(), + } + cn.rd = proto.NewReader(netConn) + cn.bw = bufio.NewWriter(netConn) + cn.wr = proto.NewWriter(cn.bw) + cn.SetUsedAt(time.Now()) + return cn +} + +func (cn *Conn) UsedAt() time.Time { + unix := atomic.LoadInt64(&cn.usedAt) + return time.Unix(unix, 0) +} + +func (cn *Conn) SetUsedAt(tm time.Time) { + atomic.StoreInt64(&cn.usedAt, tm.Unix()) +} + +func (cn *Conn) SetNetConn(netConn net.Conn) { + cn.netConn = netConn + cn.rd.Reset(netConn) + cn.bw.Reset(netConn) +} + +func (cn *Conn) Write(b []byte) (int, error) { + return cn.netConn.Write(b) +} + +func (cn *Conn) RemoteAddr() net.Addr { + if cn.netConn != nil { + return cn.netConn.RemoteAddr() + } + return nil +} + +func (cn *Conn) WithReader(ctx context.Context, timeout time.Duration, fn func(rd *proto.Reader) error) error { + if err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout)); err != nil { + return err + } + return fn(cn.rd) +} + +func (cn *Conn) WithWriter( + ctx context.Context, timeout time.Duration, fn func(wr *proto.Writer) error, +) error { + if err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout)); err != nil { + return err + } + + if cn.bw.Buffered() > 0 { + cn.bw.Reset(cn.netConn) + } + + if err := fn(cn.wr); err != nil { + return err + } + + return cn.bw.Flush() +} + +func (cn *Conn) Close() error { + return cn.netConn.Close() +} + +func (cn *Conn) deadline(ctx context.Context, timeout time.Duration) time.Time { + tm := time.Now() + cn.SetUsedAt(tm) + + if timeout > 0 { + tm = tm.Add(timeout) + } + + if ctx != nil { + deadline, ok := ctx.Deadline() + if ok { + if timeout == 0 { + return deadline + } + if deadline.Before(tm) { + return deadline + } + return tm + } + } + + if timeout > 0 { + return tm + } + + return noDeadline +} |