First Commit of Voltha-Go-Controller from Radisys
Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/github.com/go-redis/redis/v8/internal/pool/conn.go b/vendor/github.com/go-redis/redis/v8/internal/pool/conn.go
new file mode 100644
index 0000000..5661659
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/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
+}