VOL-4925 - Build and release components.
Misc/
o Bulk copyright notice udpate to 2023.
go.mod
go.sum
------
o Bump component version strings to the latest release.
Cosmetic edit to force a build.
Change-Id: Icc8869463d1f1a4451938466c39fcc3d11ebad73
diff --git a/vendor/github.com/go-redis/redis/v8/internal/arg.go b/vendor/github.com/go-redis/redis/v8/internal/arg.go
new file mode 100644
index 0000000..b97fa0d
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/arg.go
@@ -0,0 +1,56 @@
+package internal
+
+import (
+ "fmt"
+ "strconv"
+ "time"
+)
+
+func AppendArg(b []byte, v interface{}) []byte {
+ switch v := v.(type) {
+ case nil:
+ return append(b, "<nil>"...)
+ case string:
+ return appendUTF8String(b, Bytes(v))
+ case []byte:
+ return appendUTF8String(b, v)
+ case int:
+ return strconv.AppendInt(b, int64(v), 10)
+ case int8:
+ return strconv.AppendInt(b, int64(v), 10)
+ case int16:
+ return strconv.AppendInt(b, int64(v), 10)
+ case int32:
+ return strconv.AppendInt(b, int64(v), 10)
+ case int64:
+ return strconv.AppendInt(b, v, 10)
+ case uint:
+ return strconv.AppendUint(b, uint64(v), 10)
+ case uint8:
+ return strconv.AppendUint(b, uint64(v), 10)
+ case uint16:
+ return strconv.AppendUint(b, uint64(v), 10)
+ case uint32:
+ return strconv.AppendUint(b, uint64(v), 10)
+ case uint64:
+ return strconv.AppendUint(b, v, 10)
+ case float32:
+ return strconv.AppendFloat(b, float64(v), 'f', -1, 64)
+ case float64:
+ return strconv.AppendFloat(b, v, 'f', -1, 64)
+ case bool:
+ if v {
+ return append(b, "true"...)
+ }
+ return append(b, "false"...)
+ case time.Time:
+ return v.AppendFormat(b, time.RFC3339Nano)
+ default:
+ return append(b, fmt.Sprint(v)...)
+ }
+}
+
+func appendUTF8String(dst []byte, src []byte) []byte {
+ dst = append(dst, src...)
+ return dst
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/hashtag/hashtag.go b/vendor/github.com/go-redis/redis/v8/internal/hashtag/hashtag.go
new file mode 100644
index 0000000..2fc74ad
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/hashtag/hashtag.go
@@ -0,0 +1,78 @@
+package hashtag
+
+import (
+ "strings"
+
+ "github.com/go-redis/redis/v8/internal/rand"
+)
+
+const slotNumber = 16384
+
+// CRC16 implementation according to CCITT standards.
+// Copyright 2001-2010 Georges Menie (www.menie.org)
+// Copyright 2013 The Go Authors. All rights reserved.
+// http://redis.io/topics/cluster-spec#appendix-a-crc16-reference-implementation-in-ansi-c
+var crc16tab = [256]uint16{
+ 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
+ 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
+ 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
+ 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
+ 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
+ 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
+ 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
+ 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
+ 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
+ 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
+ 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
+ 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
+ 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
+ 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
+ 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
+ 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
+ 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
+ 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
+ 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
+ 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
+ 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
+ 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+ 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
+ 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
+ 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
+ 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
+ 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
+ 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
+ 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
+ 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
+ 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
+ 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,
+}
+
+func Key(key string) string {
+ if s := strings.IndexByte(key, '{'); s > -1 {
+ if e := strings.IndexByte(key[s+1:], '}'); e > 0 {
+ return key[s+1 : s+e+1]
+ }
+ }
+ return key
+}
+
+func RandomSlot() int {
+ return rand.Intn(slotNumber)
+}
+
+// hashSlot returns a consistent slot number between 0 and 16383
+// for any given string key.
+func Slot(key string) int {
+ if key == "" {
+ return RandomSlot()
+ }
+ key = Key(key)
+ return int(crc16sum(key)) % slotNumber
+}
+
+func crc16sum(key string) (crc uint16) {
+ for i := 0; i < len(key); i++ {
+ crc = (crc << 8) ^ crc16tab[(byte(crc>>8)^key[i])&0x00ff]
+ }
+ return
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/instruments.go b/vendor/github.com/go-redis/redis/v8/internal/instruments.go
new file mode 100644
index 0000000..e837526
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/instruments.go
@@ -0,0 +1,33 @@
+package internal
+
+import (
+ "context"
+
+ "go.opentelemetry.io/otel/api/global"
+ "go.opentelemetry.io/otel/api/metric"
+)
+
+var (
+ // WritesCounter is a count of write commands performed.
+ WritesCounter metric.Int64Counter
+ // NewConnectionsCounter is a count of new connections.
+ NewConnectionsCounter metric.Int64Counter
+)
+
+func init() {
+ defer func() {
+ if r := recover(); r != nil {
+ Logger.Printf(context.Background(), "Error creating meter github.com/go-redis/redis for Instruments", r)
+ }
+ }()
+
+ meter := metric.Must(global.Meter("github.com/go-redis/redis"))
+
+ WritesCounter = meter.NewInt64Counter("redis.writes",
+ metric.WithDescription("the number of writes initiated"),
+ )
+
+ NewConnectionsCounter = meter.NewInt64Counter("redis.new_connections",
+ metric.WithDescription("the number of connections created"),
+ )
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/internal.go b/vendor/github.com/go-redis/redis/v8/internal/internal.go
new file mode 100644
index 0000000..4a59c59
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/internal.go
@@ -0,0 +1,29 @@
+package internal
+
+import (
+ "time"
+
+ "github.com/go-redis/redis/v8/internal/rand"
+)
+
+func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
+ if retry < 0 {
+ panic("not reached")
+ }
+ if minBackoff == 0 {
+ return 0
+ }
+
+ d := minBackoff << uint(retry)
+ if d < minBackoff {
+ return maxBackoff
+ }
+
+ d = minBackoff + time.Duration(rand.Int63n(int64(d)))
+
+ if d > maxBackoff || d < minBackoff {
+ d = maxBackoff
+ }
+
+ return d
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/log.go b/vendor/github.com/go-redis/redis/v8/internal/log.go
new file mode 100644
index 0000000..3810f9e
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/log.go
@@ -0,0 +1,24 @@
+package internal
+
+import (
+ "context"
+ "fmt"
+ "log"
+ "os"
+)
+
+type Logging interface {
+ Printf(ctx context.Context, format string, v ...interface{})
+}
+
+type logger struct {
+ log *log.Logger
+}
+
+func (l *logger) Printf(ctx context.Context, format string, v ...interface{}) {
+ _ = l.log.Output(2, fmt.Sprintf(format, v...))
+}
+
+var Logger Logging = &logger{
+ log: log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile),
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/once.go b/vendor/github.com/go-redis/redis/v8/internal/once.go
new file mode 100644
index 0000000..64f4627
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/once.go
@@ -0,0 +1,60 @@
+/*
+Copyright 2014 The Camlistore Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package internal
+
+import (
+ "sync"
+ "sync/atomic"
+)
+
+// A Once will perform a successful action exactly once.
+//
+// Unlike a sync.Once, this Once's func returns an error
+// and is re-armed on failure.
+type Once struct {
+ m sync.Mutex
+ done uint32
+}
+
+// Do calls the function f if and only if Do has not been invoked
+// without error for this instance of Once. In other words, given
+// var once Once
+// if once.Do(f) is called multiple times, only the first call will
+// invoke f, even if f has a different value in each invocation unless
+// f returns an error. A new instance of Once is required for each
+// function to execute.
+//
+// Do is intended for initialization that must be run exactly once. Since f
+// is niladic, it may be necessary to use a function literal to capture the
+// arguments to a function to be invoked by Do:
+// err := config.once.Do(func() error { return config.init(filename) })
+func (o *Once) Do(f func() error) error {
+ if atomic.LoadUint32(&o.done) == 1 {
+ return nil
+ }
+ // Slow-path.
+ o.m.Lock()
+ defer o.m.Unlock()
+ var err error
+ if o.done == 0 {
+ err = f()
+ if err == nil {
+ atomic.StoreUint32(&o.done, 1)
+ }
+ }
+ return err
+}
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..08a2071
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/pool/conn.go
@@ -0,0 +1,136 @@
+package pool
+
+import (
+ "bufio"
+ "context"
+ "net"
+ "sync/atomic"
+ "time"
+
+ "github.com/go-redis/redis/v8/internal"
+ "github.com/go-redis/redis/v8/internal/proto"
+ "go.opentelemetry.io/otel/api/trace"
+)
+
+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 {
+ return internal.WithSpan(ctx, "redis.with_reader", func(ctx context.Context, span trace.Span) error {
+ if err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout)); err != nil {
+ return internal.RecordError(ctx, err)
+ }
+ if err := fn(cn.rd); err != nil {
+ return internal.RecordError(ctx, err)
+ }
+ return nil
+ })
+}
+
+func (cn *Conn) WithWriter(
+ ctx context.Context, timeout time.Duration, fn func(wr *proto.Writer) error,
+) error {
+ return internal.WithSpan(ctx, "redis.with_writer", func(ctx context.Context, span trace.Span) error {
+ if err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout)); err != nil {
+ return internal.RecordError(ctx, err)
+ }
+
+ if cn.bw.Buffered() > 0 {
+ cn.bw.Reset(cn.netConn)
+ }
+
+ if err := fn(cn.wr); err != nil {
+ return internal.RecordError(ctx, err)
+ }
+
+ if err := cn.bw.Flush(); err != nil {
+ return internal.RecordError(ctx, err)
+ }
+
+ internal.WritesCounter.Add(ctx, 1)
+
+ return nil
+ })
+}
+
+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
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/pool/pool.go b/vendor/github.com/go-redis/redis/v8/internal/pool/pool.go
new file mode 100644
index 0000000..355742b
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/pool/pool.go
@@ -0,0 +1,524 @@
+package pool
+
+import (
+ "context"
+ "errors"
+ "net"
+ "sync"
+ "sync/atomic"
+ "time"
+
+ "github.com/go-redis/redis/v8/internal"
+)
+
+var (
+ ErrClosed = errors.New("redis: client is closed")
+ ErrPoolTimeout = errors.New("redis: connection pool timeout")
+)
+
+var timers = sync.Pool{
+ New: func() interface{} {
+ t := time.NewTimer(time.Hour)
+ t.Stop()
+ return t
+ },
+}
+
+// Stats contains pool state information and accumulated stats.
+type Stats struct {
+ Hits uint32 // number of times free connection was found in the pool
+ Misses uint32 // number of times free connection was NOT found in the pool
+ Timeouts uint32 // number of times a wait timeout occurred
+
+ TotalConns uint32 // number of total connections in the pool
+ IdleConns uint32 // number of idle connections in the pool
+ StaleConns uint32 // number of stale connections removed from the pool
+}
+
+type Pooler interface {
+ NewConn(context.Context) (*Conn, error)
+ CloseConn(*Conn) error
+
+ Get(context.Context) (*Conn, error)
+ Put(context.Context, *Conn)
+ Remove(context.Context, *Conn, error)
+
+ Len() int
+ IdleLen() int
+ Stats() *Stats
+
+ Close() error
+}
+
+type Options struct {
+ Dialer func(context.Context) (net.Conn, error)
+ OnClose func(*Conn) error
+
+ PoolSize int
+ MinIdleConns int
+ MaxConnAge time.Duration
+ PoolTimeout time.Duration
+ IdleTimeout time.Duration
+ IdleCheckFrequency time.Duration
+}
+
+type lastDialErrorWrap struct {
+ err error
+}
+
+type ConnPool struct {
+ opt *Options
+
+ dialErrorsNum uint32 // atomic
+
+ lastDialError atomic.Value
+
+ queue chan struct{}
+
+ connsMu sync.Mutex
+ conns []*Conn
+ idleConns []*Conn
+ poolSize int
+ idleConnsLen int
+
+ stats Stats
+
+ _closed uint32 // atomic
+ closedCh chan struct{}
+}
+
+var _ Pooler = (*ConnPool)(nil)
+
+func NewConnPool(opt *Options) *ConnPool {
+ p := &ConnPool{
+ opt: opt,
+
+ queue: make(chan struct{}, opt.PoolSize),
+ conns: make([]*Conn, 0, opt.PoolSize),
+ idleConns: make([]*Conn, 0, opt.PoolSize),
+ closedCh: make(chan struct{}),
+ }
+
+ p.connsMu.Lock()
+ p.checkMinIdleConns()
+ p.connsMu.Unlock()
+
+ if opt.IdleTimeout > 0 && opt.IdleCheckFrequency > 0 {
+ go p.reaper(opt.IdleCheckFrequency)
+ }
+
+ return p
+}
+
+func (p *ConnPool) checkMinIdleConns() {
+ if p.opt.MinIdleConns == 0 {
+ return
+ }
+ for p.poolSize < p.opt.PoolSize && p.idleConnsLen < p.opt.MinIdleConns {
+ p.poolSize++
+ p.idleConnsLen++
+ go func() {
+ err := p.addIdleConn()
+ if err != nil {
+ p.connsMu.Lock()
+ p.poolSize--
+ p.idleConnsLen--
+ p.connsMu.Unlock()
+ }
+ }()
+ }
+}
+
+func (p *ConnPool) addIdleConn() error {
+ cn, err := p.dialConn(context.TODO(), true)
+ if err != nil {
+ return err
+ }
+
+ p.connsMu.Lock()
+ p.conns = append(p.conns, cn)
+ p.idleConns = append(p.idleConns, cn)
+ p.connsMu.Unlock()
+ return nil
+}
+
+func (p *ConnPool) NewConn(ctx context.Context) (*Conn, error) {
+ return p.newConn(ctx, false)
+}
+
+func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
+ cn, err := p.dialConn(ctx, pooled)
+ if err != nil {
+ return nil, err
+ }
+
+ p.connsMu.Lock()
+ p.conns = append(p.conns, cn)
+ if pooled {
+ // If pool is full remove the cn on next Put.
+ if p.poolSize >= p.opt.PoolSize {
+ cn.pooled = false
+ } else {
+ p.poolSize++
+ }
+ }
+ p.connsMu.Unlock()
+
+ return cn, nil
+}
+
+func (p *ConnPool) dialConn(ctx context.Context, pooled bool) (*Conn, error) {
+ if p.closed() {
+ return nil, ErrClosed
+ }
+
+ if atomic.LoadUint32(&p.dialErrorsNum) >= uint32(p.opt.PoolSize) {
+ return nil, p.getLastDialError()
+ }
+
+ netConn, err := p.opt.Dialer(ctx)
+ if err != nil {
+ p.setLastDialError(err)
+ if atomic.AddUint32(&p.dialErrorsNum, 1) == uint32(p.opt.PoolSize) {
+ go p.tryDial()
+ }
+ return nil, err
+ }
+
+ internal.NewConnectionsCounter.Add(ctx, 1)
+ cn := NewConn(netConn)
+ cn.pooled = pooled
+ return cn, nil
+}
+
+func (p *ConnPool) tryDial() {
+ for {
+ if p.closed() {
+ return
+ }
+
+ conn, err := p.opt.Dialer(context.Background())
+ if err != nil {
+ p.setLastDialError(err)
+ time.Sleep(time.Second)
+ continue
+ }
+
+ atomic.StoreUint32(&p.dialErrorsNum, 0)
+ _ = conn.Close()
+ return
+ }
+}
+
+func (p *ConnPool) setLastDialError(err error) {
+ p.lastDialError.Store(&lastDialErrorWrap{err: err})
+}
+
+func (p *ConnPool) getLastDialError() error {
+ err, _ := p.lastDialError.Load().(*lastDialErrorWrap)
+ if err != nil {
+ return err.err
+ }
+ return nil
+}
+
+// Get returns existed connection from the pool or creates a new one.
+func (p *ConnPool) Get(ctx context.Context) (*Conn, error) {
+ if p.closed() {
+ return nil, ErrClosed
+ }
+
+ err := p.waitTurn(ctx)
+ if err != nil {
+ return nil, err
+ }
+
+ for {
+ p.connsMu.Lock()
+ cn := p.popIdle()
+ p.connsMu.Unlock()
+
+ if cn == nil {
+ break
+ }
+
+ if p.isStaleConn(cn) {
+ _ = p.CloseConn(cn)
+ continue
+ }
+
+ atomic.AddUint32(&p.stats.Hits, 1)
+ return cn, nil
+ }
+
+ atomic.AddUint32(&p.stats.Misses, 1)
+
+ newcn, err := p.newConn(ctx, true)
+ if err != nil {
+ p.freeTurn()
+ return nil, err
+ }
+
+ return newcn, nil
+}
+
+func (p *ConnPool) getTurn() {
+ p.queue <- struct{}{}
+}
+
+func (p *ConnPool) waitTurn(ctx context.Context) error {
+ select {
+ case <-ctx.Done():
+ return ctx.Err()
+ default:
+ }
+
+ select {
+ case p.queue <- struct{}{}:
+ return nil
+ default:
+ }
+
+ timer := timers.Get().(*time.Timer)
+ timer.Reset(p.opt.PoolTimeout)
+
+ select {
+ case <-ctx.Done():
+ if !timer.Stop() {
+ <-timer.C
+ }
+ timers.Put(timer)
+ return ctx.Err()
+ case p.queue <- struct{}{}:
+ if !timer.Stop() {
+ <-timer.C
+ }
+ timers.Put(timer)
+ return nil
+ case <-timer.C:
+ timers.Put(timer)
+ atomic.AddUint32(&p.stats.Timeouts, 1)
+ return ErrPoolTimeout
+ }
+}
+
+func (p *ConnPool) freeTurn() {
+ <-p.queue
+}
+
+func (p *ConnPool) popIdle() *Conn {
+ if len(p.idleConns) == 0 {
+ return nil
+ }
+
+ idx := len(p.idleConns) - 1
+ cn := p.idleConns[idx]
+ p.idleConns = p.idleConns[:idx]
+ p.idleConnsLen--
+ p.checkMinIdleConns()
+ return cn
+}
+
+func (p *ConnPool) Put(ctx context.Context, cn *Conn) {
+ if cn.rd.Buffered() > 0 {
+ internal.Logger.Printf(ctx, "Conn has unread data")
+ p.Remove(ctx, cn, BadConnError{})
+ return
+ }
+
+ if !cn.pooled {
+ p.Remove(ctx, cn, nil)
+ return
+ }
+
+ p.connsMu.Lock()
+ p.idleConns = append(p.idleConns, cn)
+ p.idleConnsLen++
+ p.connsMu.Unlock()
+ p.freeTurn()
+}
+
+func (p *ConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
+ p.removeConnWithLock(cn)
+ p.freeTurn()
+ _ = p.closeConn(cn)
+}
+
+func (p *ConnPool) CloseConn(cn *Conn) error {
+ p.removeConnWithLock(cn)
+ return p.closeConn(cn)
+}
+
+func (p *ConnPool) removeConnWithLock(cn *Conn) {
+ p.connsMu.Lock()
+ p.removeConn(cn)
+ p.connsMu.Unlock()
+}
+
+func (p *ConnPool) removeConn(cn *Conn) {
+ for i, c := range p.conns {
+ if c == cn {
+ p.conns = append(p.conns[:i], p.conns[i+1:]...)
+ if cn.pooled {
+ p.poolSize--
+ p.checkMinIdleConns()
+ }
+ return
+ }
+ }
+}
+
+func (p *ConnPool) closeConn(cn *Conn) error {
+ if p.opt.OnClose != nil {
+ _ = p.opt.OnClose(cn)
+ }
+ return cn.Close()
+}
+
+// Len returns total number of connections.
+func (p *ConnPool) Len() int {
+ p.connsMu.Lock()
+ n := len(p.conns)
+ p.connsMu.Unlock()
+ return n
+}
+
+// IdleLen returns number of idle connections.
+func (p *ConnPool) IdleLen() int {
+ p.connsMu.Lock()
+ n := p.idleConnsLen
+ p.connsMu.Unlock()
+ return n
+}
+
+func (p *ConnPool) Stats() *Stats {
+ idleLen := p.IdleLen()
+ return &Stats{
+ Hits: atomic.LoadUint32(&p.stats.Hits),
+ Misses: atomic.LoadUint32(&p.stats.Misses),
+ Timeouts: atomic.LoadUint32(&p.stats.Timeouts),
+
+ TotalConns: uint32(p.Len()),
+ IdleConns: uint32(idleLen),
+ StaleConns: atomic.LoadUint32(&p.stats.StaleConns),
+ }
+}
+
+func (p *ConnPool) closed() bool {
+ return atomic.LoadUint32(&p._closed) == 1
+}
+
+func (p *ConnPool) Filter(fn func(*Conn) bool) error {
+ p.connsMu.Lock()
+ defer p.connsMu.Unlock()
+
+ var firstErr error
+ for _, cn := range p.conns {
+ if fn(cn) {
+ if err := p.closeConn(cn); err != nil && firstErr == nil {
+ firstErr = err
+ }
+ }
+ }
+ return firstErr
+}
+
+func (p *ConnPool) Close() error {
+ if !atomic.CompareAndSwapUint32(&p._closed, 0, 1) {
+ return ErrClosed
+ }
+ close(p.closedCh)
+
+ var firstErr error
+ p.connsMu.Lock()
+ for _, cn := range p.conns {
+ if err := p.closeConn(cn); err != nil && firstErr == nil {
+ firstErr = err
+ }
+ }
+ p.conns = nil
+ p.poolSize = 0
+ p.idleConns = nil
+ p.idleConnsLen = 0
+ p.connsMu.Unlock()
+
+ return firstErr
+}
+
+func (p *ConnPool) reaper(frequency time.Duration) {
+ ticker := time.NewTicker(frequency)
+ defer ticker.Stop()
+
+ for {
+ select {
+ case <-ticker.C:
+ // It is possible that ticker and closedCh arrive together,
+ // and select pseudo-randomly pick ticker case, we double
+ // check here to prevent being executed after closed.
+ if p.closed() {
+ return
+ }
+ _, err := p.ReapStaleConns()
+ if err != nil {
+ internal.Logger.Printf(context.Background(), "ReapStaleConns failed: %s", err)
+ continue
+ }
+ case <-p.closedCh:
+ return
+ }
+ }
+}
+
+func (p *ConnPool) ReapStaleConns() (int, error) {
+ var n int
+ for {
+ p.getTurn()
+
+ p.connsMu.Lock()
+ cn := p.reapStaleConn()
+ p.connsMu.Unlock()
+ p.freeTurn()
+
+ if cn != nil {
+ _ = p.closeConn(cn)
+ n++
+ } else {
+ break
+ }
+ }
+ atomic.AddUint32(&p.stats.StaleConns, uint32(n))
+ return n, nil
+}
+
+func (p *ConnPool) reapStaleConn() *Conn {
+ if len(p.idleConns) == 0 {
+ return nil
+ }
+
+ cn := p.idleConns[0]
+ if !p.isStaleConn(cn) {
+ return nil
+ }
+
+ p.idleConns = append(p.idleConns[:0], p.idleConns[1:]...)
+ p.idleConnsLen--
+ p.removeConn(cn)
+
+ return cn
+}
+
+func (p *ConnPool) isStaleConn(cn *Conn) bool {
+ if p.opt.IdleTimeout == 0 && p.opt.MaxConnAge == 0 {
+ return false
+ }
+
+ now := time.Now()
+ if p.opt.IdleTimeout > 0 && now.Sub(cn.UsedAt()) >= p.opt.IdleTimeout {
+ return true
+ }
+ if p.opt.MaxConnAge > 0 && now.Sub(cn.createdAt) >= p.opt.MaxConnAge {
+ return true
+ }
+
+ return false
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/pool/pool_single.go b/vendor/github.com/go-redis/redis/v8/internal/pool/pool_single.go
new file mode 100644
index 0000000..5a3fde1
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/pool/pool_single.go
@@ -0,0 +1,58 @@
+package pool
+
+import "context"
+
+type SingleConnPool struct {
+ pool Pooler
+ cn *Conn
+ stickyErr error
+}
+
+var _ Pooler = (*SingleConnPool)(nil)
+
+func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool {
+ return &SingleConnPool{
+ pool: pool,
+ cn: cn,
+ }
+}
+
+func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
+ return p.pool.NewConn(ctx)
+}
+
+func (p *SingleConnPool) CloseConn(cn *Conn) error {
+ return p.pool.CloseConn(cn)
+}
+
+func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
+ if p.stickyErr != nil {
+ return nil, p.stickyErr
+ }
+ return p.cn, nil
+}
+
+func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {}
+
+func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
+ p.cn = nil
+ p.stickyErr = reason
+}
+
+func (p *SingleConnPool) Close() error {
+ p.cn = nil
+ p.stickyErr = ErrClosed
+ return nil
+}
+
+func (p *SingleConnPool) Len() int {
+ return 0
+}
+
+func (p *SingleConnPool) IdleLen() int {
+ return 0
+}
+
+func (p *SingleConnPool) Stats() *Stats {
+ return &Stats{}
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/pool/pool_sticky.go b/vendor/github.com/go-redis/redis/v8/internal/pool/pool_sticky.go
new file mode 100644
index 0000000..c3e7e7c
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/pool/pool_sticky.go
@@ -0,0 +1,202 @@
+package pool
+
+import (
+ "context"
+ "errors"
+ "fmt"
+ "sync/atomic"
+)
+
+const (
+ stateDefault = 0
+ stateInited = 1
+ stateClosed = 2
+)
+
+type BadConnError struct {
+ wrapped error
+}
+
+var _ error = (*BadConnError)(nil)
+
+func (e BadConnError) Error() string {
+ s := "redis: Conn is in a bad state"
+ if e.wrapped != nil {
+ s += ": " + e.wrapped.Error()
+ }
+ return s
+}
+
+func (e BadConnError) Unwrap() error {
+ return e.wrapped
+}
+
+//------------------------------------------------------------------------------
+
+type StickyConnPool struct {
+ pool Pooler
+ shared int32 // atomic
+
+ state uint32 // atomic
+ ch chan *Conn
+
+ _badConnError atomic.Value
+}
+
+var _ Pooler = (*StickyConnPool)(nil)
+
+func NewStickyConnPool(pool Pooler) *StickyConnPool {
+ p, ok := pool.(*StickyConnPool)
+ if !ok {
+ p = &StickyConnPool{
+ pool: pool,
+ ch: make(chan *Conn, 1),
+ }
+ }
+ atomic.AddInt32(&p.shared, 1)
+ return p
+}
+
+func (p *StickyConnPool) NewConn(ctx context.Context) (*Conn, error) {
+ return p.pool.NewConn(ctx)
+}
+
+func (p *StickyConnPool) CloseConn(cn *Conn) error {
+ return p.pool.CloseConn(cn)
+}
+
+func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
+ // In worst case this races with Close which is not a very common operation.
+ for i := 0; i < 1000; i++ {
+ switch atomic.LoadUint32(&p.state) {
+ case stateDefault:
+ cn, err := p.pool.Get(ctx)
+ if err != nil {
+ return nil, err
+ }
+ if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
+ return cn, nil
+ }
+ p.pool.Remove(ctx, cn, ErrClosed)
+ case stateInited:
+ if err := p.badConnError(); err != nil {
+ return nil, err
+ }
+ cn, ok := <-p.ch
+ if !ok {
+ return nil, ErrClosed
+ }
+ return cn, nil
+ case stateClosed:
+ return nil, ErrClosed
+ default:
+ panic("not reached")
+ }
+ }
+ return nil, fmt.Errorf("redis: StickyConnPool.Get: infinite loop")
+}
+
+func (p *StickyConnPool) Put(ctx context.Context, cn *Conn) {
+ defer func() {
+ if recover() != nil {
+ p.freeConn(ctx, cn)
+ }
+ }()
+ p.ch <- cn
+}
+
+func (p *StickyConnPool) freeConn(ctx context.Context, cn *Conn) {
+ if err := p.badConnError(); err != nil {
+ p.pool.Remove(ctx, cn, err)
+ } else {
+ p.pool.Put(ctx, cn)
+ }
+}
+
+func (p *StickyConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
+ defer func() {
+ if recover() != nil {
+ p.pool.Remove(ctx, cn, ErrClosed)
+ }
+ }()
+ p._badConnError.Store(BadConnError{wrapped: reason})
+ p.ch <- cn
+}
+
+func (p *StickyConnPool) Close() error {
+ if shared := atomic.AddInt32(&p.shared, -1); shared > 0 {
+ return nil
+ }
+
+ for i := 0; i < 1000; i++ {
+ state := atomic.LoadUint32(&p.state)
+ if state == stateClosed {
+ return ErrClosed
+ }
+ if atomic.CompareAndSwapUint32(&p.state, state, stateClosed) {
+ close(p.ch)
+ cn, ok := <-p.ch
+ if ok {
+ p.freeConn(context.TODO(), cn)
+ }
+ return nil
+ }
+ }
+
+ return errors.New("redis: StickyConnPool.Close: infinite loop")
+}
+
+func (p *StickyConnPool) Reset(ctx context.Context) error {
+ if p.badConnError() == nil {
+ return nil
+ }
+
+ select {
+ case cn, ok := <-p.ch:
+ if !ok {
+ return ErrClosed
+ }
+ p.pool.Remove(ctx, cn, ErrClosed)
+ p._badConnError.Store(BadConnError{wrapped: nil})
+ default:
+ return errors.New("redis: StickyConnPool does not have a Conn")
+ }
+
+ if !atomic.CompareAndSwapUint32(&p.state, stateInited, stateDefault) {
+ state := atomic.LoadUint32(&p.state)
+ return fmt.Errorf("redis: invalid StickyConnPool state: %d", state)
+ }
+
+ return nil
+}
+
+func (p *StickyConnPool) badConnError() error {
+ if v := p._badConnError.Load(); v != nil {
+ err := v.(BadConnError)
+ if err.wrapped != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func (p *StickyConnPool) Len() int {
+ switch atomic.LoadUint32(&p.state) {
+ case stateDefault:
+ return 0
+ case stateInited:
+ return 1
+ case stateClosed:
+ return 0
+ default:
+ panic("not reached")
+ }
+}
+
+func (p *StickyConnPool) IdleLen() int {
+ return len(p.ch)
+}
+
+func (p *StickyConnPool) Stats() *Stats {
+ return &Stats{}
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/proto/reader.go b/vendor/github.com/go-redis/redis/v8/internal/proto/reader.go
new file mode 100644
index 0000000..0fbc51e
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/proto/reader.go
@@ -0,0 +1,331 @@
+package proto
+
+import (
+ "bufio"
+ "fmt"
+ "io"
+
+ "github.com/go-redis/redis/v8/internal/util"
+)
+
+const (
+ ErrorReply = '-'
+ StatusReply = '+'
+ IntReply = ':'
+ StringReply = '$'
+ ArrayReply = '*'
+)
+
+//------------------------------------------------------------------------------
+
+const Nil = RedisError("redis: nil")
+
+type RedisError string
+
+func (e RedisError) Error() string { return string(e) }
+
+func (RedisError) RedisError() {}
+
+//------------------------------------------------------------------------------
+
+type MultiBulkParse func(*Reader, int64) (interface{}, error)
+
+type Reader struct {
+ rd *bufio.Reader
+ _buf []byte
+}
+
+func NewReader(rd io.Reader) *Reader {
+ return &Reader{
+ rd: bufio.NewReader(rd),
+ _buf: make([]byte, 64),
+ }
+}
+
+func (r *Reader) Buffered() int {
+ return r.rd.Buffered()
+}
+
+func (r *Reader) Peek(n int) ([]byte, error) {
+ return r.rd.Peek(n)
+}
+
+func (r *Reader) Reset(rd io.Reader) {
+ r.rd.Reset(rd)
+}
+
+func (r *Reader) ReadLine() ([]byte, error) {
+ line, err := r.readLine()
+ if err != nil {
+ return nil, err
+ }
+ if isNilReply(line) {
+ return nil, Nil
+ }
+ return line, nil
+}
+
+// readLine that returns an error if:
+// - there is a pending read error;
+// - or line does not end with \r\n.
+func (r *Reader) readLine() ([]byte, error) {
+ b, err := r.rd.ReadSlice('\n')
+ if err != nil {
+ if err != bufio.ErrBufferFull {
+ return nil, err
+ }
+
+ full := make([]byte, len(b))
+ copy(full, b)
+
+ b, err = r.rd.ReadBytes('\n')
+ if err != nil {
+ return nil, err
+ }
+
+ full = append(full, b...)
+ b = full
+ }
+ if len(b) <= 2 || b[len(b)-1] != '\n' || b[len(b)-2] != '\r' {
+ return nil, fmt.Errorf("redis: invalid reply: %q", b)
+ }
+ return b[:len(b)-2], nil
+}
+
+func (r *Reader) ReadReply(m MultiBulkParse) (interface{}, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return nil, err
+ }
+
+ switch line[0] {
+ case ErrorReply:
+ return nil, ParseErrorReply(line)
+ case StatusReply:
+ return string(line[1:]), nil
+ case IntReply:
+ return util.ParseInt(line[1:], 10, 64)
+ case StringReply:
+ return r.readStringReply(line)
+ case ArrayReply:
+ n, err := parseArrayLen(line)
+ if err != nil {
+ return nil, err
+ }
+ if m == nil {
+ err := fmt.Errorf("redis: got %.100q, but multi bulk parser is nil", line)
+ return nil, err
+ }
+ return m(r, n)
+ }
+ return nil, fmt.Errorf("redis: can't parse %.100q", line)
+}
+
+func (r *Reader) ReadIntReply() (int64, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return 0, err
+ }
+ switch line[0] {
+ case ErrorReply:
+ return 0, ParseErrorReply(line)
+ case IntReply:
+ return util.ParseInt(line[1:], 10, 64)
+ default:
+ return 0, fmt.Errorf("redis: can't parse int reply: %.100q", line)
+ }
+}
+
+func (r *Reader) ReadString() (string, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return "", err
+ }
+ switch line[0] {
+ case ErrorReply:
+ return "", ParseErrorReply(line)
+ case StringReply:
+ return r.readStringReply(line)
+ case StatusReply:
+ return string(line[1:]), nil
+ case IntReply:
+ return string(line[1:]), nil
+ default:
+ return "", fmt.Errorf("redis: can't parse reply=%.100q reading string", line)
+ }
+}
+
+func (r *Reader) readStringReply(line []byte) (string, error) {
+ if isNilReply(line) {
+ return "", Nil
+ }
+
+ replyLen, err := util.Atoi(line[1:])
+ if err != nil {
+ return "", err
+ }
+
+ b := make([]byte, replyLen+2)
+ _, err = io.ReadFull(r.rd, b)
+ if err != nil {
+ return "", err
+ }
+
+ return util.BytesToString(b[:replyLen]), nil
+}
+
+func (r *Reader) ReadArrayReply(m MultiBulkParse) (interface{}, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return nil, err
+ }
+ switch line[0] {
+ case ErrorReply:
+ return nil, ParseErrorReply(line)
+ case ArrayReply:
+ n, err := parseArrayLen(line)
+ if err != nil {
+ return nil, err
+ }
+ return m(r, n)
+ default:
+ return nil, fmt.Errorf("redis: can't parse array reply: %.100q", line)
+ }
+}
+
+func (r *Reader) ReadArrayLen() (int, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return 0, err
+ }
+ switch line[0] {
+ case ErrorReply:
+ return 0, ParseErrorReply(line)
+ case ArrayReply:
+ n, err := parseArrayLen(line)
+ if err != nil {
+ return 0, err
+ }
+ return int(n), nil
+ default:
+ return 0, fmt.Errorf("redis: can't parse array reply: %.100q", line)
+ }
+}
+
+func (r *Reader) ReadScanReply() ([]string, uint64, error) {
+ n, err := r.ReadArrayLen()
+ if err != nil {
+ return nil, 0, err
+ }
+ if n != 2 {
+ return nil, 0, fmt.Errorf("redis: got %d elements in scan reply, expected 2", n)
+ }
+
+ cursor, err := r.ReadUint()
+ if err != nil {
+ return nil, 0, err
+ }
+
+ n, err = r.ReadArrayLen()
+ if err != nil {
+ return nil, 0, err
+ }
+
+ keys := make([]string, n)
+
+ for i := 0; i < n; i++ {
+ key, err := r.ReadString()
+ if err != nil {
+ return nil, 0, err
+ }
+ keys[i] = key
+ }
+
+ return keys, cursor, err
+}
+
+func (r *Reader) ReadInt() (int64, error) {
+ b, err := r.readTmpBytesReply()
+ if err != nil {
+ return 0, err
+ }
+ return util.ParseInt(b, 10, 64)
+}
+
+func (r *Reader) ReadUint() (uint64, error) {
+ b, err := r.readTmpBytesReply()
+ if err != nil {
+ return 0, err
+ }
+ return util.ParseUint(b, 10, 64)
+}
+
+func (r *Reader) ReadFloatReply() (float64, error) {
+ b, err := r.readTmpBytesReply()
+ if err != nil {
+ return 0, err
+ }
+ return util.ParseFloat(b, 64)
+}
+
+func (r *Reader) readTmpBytesReply() ([]byte, error) {
+ line, err := r.ReadLine()
+ if err != nil {
+ return nil, err
+ }
+ switch line[0] {
+ case ErrorReply:
+ return nil, ParseErrorReply(line)
+ case StringReply:
+ return r._readTmpBytesReply(line)
+ case StatusReply:
+ return line[1:], nil
+ default:
+ return nil, fmt.Errorf("redis: can't parse string reply: %.100q", line)
+ }
+}
+
+func (r *Reader) _readTmpBytesReply(line []byte) ([]byte, error) {
+ if isNilReply(line) {
+ return nil, Nil
+ }
+
+ replyLen, err := util.Atoi(line[1:])
+ if err != nil {
+ return nil, err
+ }
+
+ buf := r.buf(replyLen + 2)
+ _, err = io.ReadFull(r.rd, buf)
+ if err != nil {
+ return nil, err
+ }
+
+ return buf[:replyLen], nil
+}
+
+func (r *Reader) buf(n int) []byte {
+ if n <= cap(r._buf) {
+ return r._buf[:n]
+ }
+ d := n - cap(r._buf)
+ r._buf = append(r._buf, make([]byte, d)...)
+ return r._buf
+}
+
+func isNilReply(b []byte) bool {
+ return len(b) == 3 &&
+ (b[0] == StringReply || b[0] == ArrayReply) &&
+ b[1] == '-' && b[2] == '1'
+}
+
+func ParseErrorReply(line []byte) error {
+ return RedisError(string(line[1:]))
+}
+
+func parseArrayLen(line []byte) (int64, error) {
+ if isNilReply(line) {
+ return 0, Nil
+ }
+ return util.ParseInt(line[1:], 10, 64)
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/proto/scan.go b/vendor/github.com/go-redis/redis/v8/internal/proto/scan.go
new file mode 100644
index 0000000..08d18d3
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/proto/scan.go
@@ -0,0 +1,173 @@
+package proto
+
+import (
+ "encoding"
+ "fmt"
+ "reflect"
+ "time"
+
+ "github.com/go-redis/redis/v8/internal/util"
+)
+
+// Scan parses bytes `b` to `v` with appropriate type.
+// nolint: gocyclo
+func Scan(b []byte, v interface{}) error {
+ switch v := v.(type) {
+ case nil:
+ return fmt.Errorf("redis: Scan(nil)")
+ case *string:
+ *v = util.BytesToString(b)
+ return nil
+ case *[]byte:
+ *v = b
+ return nil
+ case *int:
+ var err error
+ *v, err = util.Atoi(b)
+ return err
+ case *int8:
+ n, err := util.ParseInt(b, 10, 8)
+ if err != nil {
+ return err
+ }
+ *v = int8(n)
+ return nil
+ case *int16:
+ n, err := util.ParseInt(b, 10, 16)
+ if err != nil {
+ return err
+ }
+ *v = int16(n)
+ return nil
+ case *int32:
+ n, err := util.ParseInt(b, 10, 32)
+ if err != nil {
+ return err
+ }
+ *v = int32(n)
+ return nil
+ case *int64:
+ n, err := util.ParseInt(b, 10, 64)
+ if err != nil {
+ return err
+ }
+ *v = n
+ return nil
+ case *uint:
+ n, err := util.ParseUint(b, 10, 64)
+ if err != nil {
+ return err
+ }
+ *v = uint(n)
+ return nil
+ case *uint8:
+ n, err := util.ParseUint(b, 10, 8)
+ if err != nil {
+ return err
+ }
+ *v = uint8(n)
+ return nil
+ case *uint16:
+ n, err := util.ParseUint(b, 10, 16)
+ if err != nil {
+ return err
+ }
+ *v = uint16(n)
+ return nil
+ case *uint32:
+ n, err := util.ParseUint(b, 10, 32)
+ if err != nil {
+ return err
+ }
+ *v = uint32(n)
+ return nil
+ case *uint64:
+ n, err := util.ParseUint(b, 10, 64)
+ if err != nil {
+ return err
+ }
+ *v = n
+ return nil
+ case *float32:
+ n, err := util.ParseFloat(b, 32)
+ if err != nil {
+ return err
+ }
+ *v = float32(n)
+ return err
+ case *float64:
+ var err error
+ *v, err = util.ParseFloat(b, 64)
+ return err
+ case *bool:
+ *v = len(b) == 1 && b[0] == '1'
+ return nil
+ case *time.Time:
+ var err error
+ *v, err = time.Parse(time.RFC3339Nano, util.BytesToString(b))
+ return err
+ case encoding.BinaryUnmarshaler:
+ return v.UnmarshalBinary(b)
+ default:
+ return fmt.Errorf(
+ "redis: can't unmarshal %T (consider implementing BinaryUnmarshaler)", v)
+ }
+}
+
+func ScanSlice(data []string, slice interface{}) error {
+ v := reflect.ValueOf(slice)
+ if !v.IsValid() {
+ return fmt.Errorf("redis: ScanSlice(nil)")
+ }
+ if v.Kind() != reflect.Ptr {
+ return fmt.Errorf("redis: ScanSlice(non-pointer %T)", slice)
+ }
+ v = v.Elem()
+ if v.Kind() != reflect.Slice {
+ return fmt.Errorf("redis: ScanSlice(non-slice %T)", slice)
+ }
+
+ next := makeSliceNextElemFunc(v)
+ for i, s := range data {
+ elem := next()
+ if err := Scan([]byte(s), elem.Addr().Interface()); err != nil {
+ err = fmt.Errorf("redis: ScanSlice index=%d value=%q failed: %s", i, s, err)
+ return err
+ }
+ }
+
+ return nil
+}
+
+func makeSliceNextElemFunc(v reflect.Value) func() reflect.Value {
+ elemType := v.Type().Elem()
+
+ if elemType.Kind() == reflect.Ptr {
+ elemType = elemType.Elem()
+ return func() reflect.Value {
+ if v.Len() < v.Cap() {
+ v.Set(v.Slice(0, v.Len()+1))
+ elem := v.Index(v.Len() - 1)
+ if elem.IsNil() {
+ elem.Set(reflect.New(elemType))
+ }
+ return elem.Elem()
+ }
+
+ elem := reflect.New(elemType)
+ v.Set(reflect.Append(v, elem))
+ return elem.Elem()
+ }
+ }
+
+ zero := reflect.Zero(elemType)
+ return func() reflect.Value {
+ if v.Len() < v.Cap() {
+ v.Set(v.Slice(0, v.Len()+1))
+ return v.Index(v.Len() - 1)
+ }
+
+ v.Set(reflect.Append(v, zero))
+ return v.Index(v.Len() - 1)
+ }
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/proto/writer.go b/vendor/github.com/go-redis/redis/v8/internal/proto/writer.go
new file mode 100644
index 0000000..81b09b8
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/proto/writer.go
@@ -0,0 +1,153 @@
+package proto
+
+import (
+ "encoding"
+ "fmt"
+ "io"
+ "strconv"
+ "time"
+
+ "github.com/go-redis/redis/v8/internal/util"
+)
+
+type writer interface {
+ io.Writer
+ io.ByteWriter
+ // io.StringWriter
+ WriteString(s string) (n int, err error)
+}
+
+type Writer struct {
+ writer
+
+ lenBuf []byte
+ numBuf []byte
+}
+
+func NewWriter(wr writer) *Writer {
+ return &Writer{
+ writer: wr,
+
+ lenBuf: make([]byte, 64),
+ numBuf: make([]byte, 64),
+ }
+}
+
+func (w *Writer) WriteArgs(args []interface{}) error {
+ if err := w.WriteByte(ArrayReply); err != nil {
+ return err
+ }
+
+ if err := w.writeLen(len(args)); err != nil {
+ return err
+ }
+
+ for _, arg := range args {
+ if err := w.WriteArg(arg); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+func (w *Writer) writeLen(n int) error {
+ w.lenBuf = strconv.AppendUint(w.lenBuf[:0], uint64(n), 10)
+ w.lenBuf = append(w.lenBuf, '\r', '\n')
+ _, err := w.Write(w.lenBuf)
+ return err
+}
+
+func (w *Writer) WriteArg(v interface{}) error {
+ switch v := v.(type) {
+ case nil:
+ return w.string("")
+ case string:
+ return w.string(v)
+ case []byte:
+ return w.bytes(v)
+ case int:
+ return w.int(int64(v))
+ case int8:
+ return w.int(int64(v))
+ case int16:
+ return w.int(int64(v))
+ case int32:
+ return w.int(int64(v))
+ case int64:
+ return w.int(v)
+ case uint:
+ return w.uint(uint64(v))
+ case uint8:
+ return w.uint(uint64(v))
+ case uint16:
+ return w.uint(uint64(v))
+ case uint32:
+ return w.uint(uint64(v))
+ case uint64:
+ return w.uint(v)
+ case float32:
+ return w.float(float64(v))
+ case float64:
+ return w.float(v)
+ case bool:
+ if v {
+ return w.int(1)
+ }
+ return w.int(0)
+ case time.Time:
+ w.numBuf = v.AppendFormat(w.numBuf[:0], time.RFC3339Nano)
+ return w.bytes(w.numBuf)
+ case encoding.BinaryMarshaler:
+ b, err := v.MarshalBinary()
+ if err != nil {
+ return err
+ }
+ return w.bytes(b)
+ default:
+ return fmt.Errorf(
+ "redis: can't marshal %T (implement encoding.BinaryMarshaler)", v)
+ }
+}
+
+func (w *Writer) bytes(b []byte) error {
+ if err := w.WriteByte(StringReply); err != nil {
+ return err
+ }
+
+ if err := w.writeLen(len(b)); err != nil {
+ return err
+ }
+
+ if _, err := w.Write(b); err != nil {
+ return err
+ }
+
+ return w.crlf()
+}
+
+func (w *Writer) string(s string) error {
+ return w.bytes(util.StringToBytes(s))
+}
+
+func (w *Writer) uint(n uint64) error {
+ w.numBuf = strconv.AppendUint(w.numBuf[:0], n, 10)
+ return w.bytes(w.numBuf)
+}
+
+func (w *Writer) int(n int64) error {
+ w.numBuf = strconv.AppendInt(w.numBuf[:0], n, 10)
+ return w.bytes(w.numBuf)
+}
+
+func (w *Writer) float(f float64) error {
+ w.numBuf = strconv.AppendFloat(w.numBuf[:0], f, 'f', -1, 64)
+ return w.bytes(w.numBuf)
+}
+
+func (w *Writer) crlf() error {
+ if err := w.WriteByte('\r'); err != nil {
+ return err
+ }
+ return w.WriteByte('\n')
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/rand/rand.go b/vendor/github.com/go-redis/redis/v8/internal/rand/rand.go
new file mode 100644
index 0000000..40676f3
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/rand/rand.go
@@ -0,0 +1,45 @@
+package rand
+
+import (
+ "math/rand"
+ "sync"
+)
+
+// Int returns a non-negative pseudo-random int.
+func Int() int { return pseudo.Int() }
+
+// Intn returns, as an int, a non-negative pseudo-random number in [0,n).
+// It panics if n <= 0.
+func Intn(n int) int { return pseudo.Intn(n) }
+
+// Int63n returns, as an int64, a non-negative pseudo-random number in [0,n).
+// It panics if n <= 0.
+func Int63n(n int64) int64 { return pseudo.Int63n(n) }
+
+// Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n).
+func Perm(n int) []int { return pseudo.Perm(n) }
+
+// Seed uses the provided seed value to initialize the default Source to a
+// deterministic state. If Seed is not called, the generator behaves as if
+// seeded by Seed(1).
+func Seed(n int64) { pseudo.Seed(n) }
+
+var pseudo = rand.New(&source{src: rand.NewSource(1)})
+
+type source struct {
+ src rand.Source
+ mu sync.Mutex
+}
+
+func (s *source) Int63() int64 {
+ s.mu.Lock()
+ n := s.src.Int63()
+ s.mu.Unlock()
+ return n
+}
+
+func (s *source) Seed(seed int64) {
+ s.mu.Lock()
+ s.src.Seed(seed)
+ s.mu.Unlock()
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/safe.go b/vendor/github.com/go-redis/redis/v8/internal/safe.go
new file mode 100644
index 0000000..862ff0e
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/safe.go
@@ -0,0 +1,11 @@
+// +build appengine
+
+package internal
+
+func String(b []byte) string {
+ return string(b)
+}
+
+func Bytes(s string) []byte {
+ return []byte(s)
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/unsafe.go b/vendor/github.com/go-redis/redis/v8/internal/unsafe.go
new file mode 100644
index 0000000..4bc7970
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/unsafe.go
@@ -0,0 +1,20 @@
+// +build !appengine
+
+package internal
+
+import "unsafe"
+
+// String converts byte slice to string.
+func String(b []byte) string {
+ return *(*string)(unsafe.Pointer(&b))
+}
+
+// Bytes converts string to byte slice.
+func Bytes(s string) []byte {
+ return *(*[]byte)(unsafe.Pointer(
+ &struct {
+ string
+ Cap int
+ }{s, len(s)},
+ ))
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/util.go b/vendor/github.com/go-redis/redis/v8/internal/util.go
new file mode 100644
index 0000000..894382b
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/util.go
@@ -0,0 +1,81 @@
+package internal
+
+import (
+ "context"
+ "time"
+
+ "github.com/go-redis/redis/v8/internal/proto"
+ "github.com/go-redis/redis/v8/internal/util"
+ "go.opentelemetry.io/otel/api/global"
+ "go.opentelemetry.io/otel/api/trace"
+)
+
+func Sleep(ctx context.Context, dur time.Duration) error {
+ return WithSpan(ctx, "time.Sleep", func(ctx context.Context, span trace.Span) error {
+ t := time.NewTimer(dur)
+ defer t.Stop()
+
+ select {
+ case <-t.C:
+ return nil
+ case <-ctx.Done():
+ return ctx.Err()
+ }
+ })
+}
+
+func ToLower(s string) string {
+ if isLower(s) {
+ return s
+ }
+
+ b := make([]byte, len(s))
+ for i := range b {
+ c := s[i]
+ if c >= 'A' && c <= 'Z' {
+ c += 'a' - 'A'
+ }
+ b[i] = c
+ }
+ return util.BytesToString(b)
+}
+
+func isLower(s string) bool {
+ for i := 0; i < len(s); i++ {
+ c := s[i]
+ if c >= 'A' && c <= 'Z' {
+ return false
+ }
+ }
+ return true
+}
+
+func Unwrap(err error) error {
+ u, ok := err.(interface {
+ Unwrap() error
+ })
+ if !ok {
+ return nil
+ }
+ return u.Unwrap()
+}
+
+//------------------------------------------------------------------------------
+
+func WithSpan(ctx context.Context, name string, fn func(context.Context, trace.Span) error) error {
+ if span := trace.SpanFromContext(ctx); !span.IsRecording() {
+ return fn(ctx, span)
+ }
+
+ ctx, span := global.Tracer("github.com/go-redis/redis").Start(ctx, name)
+ defer span.End()
+
+ return fn(ctx, span)
+}
+
+func RecordError(ctx context.Context, err error) error {
+ if err != proto.Nil {
+ trace.SpanFromContext(ctx).RecordError(ctx, err)
+ }
+ return err
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/util/safe.go b/vendor/github.com/go-redis/redis/v8/internal/util/safe.go
new file mode 100644
index 0000000..1b3060e
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/util/safe.go
@@ -0,0 +1,11 @@
+// +build appengine
+
+package util
+
+func BytesToString(b []byte) string {
+ return string(b)
+}
+
+func StringToBytes(s string) []byte {
+ return []byte(s)
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/util/strconv.go b/vendor/github.com/go-redis/redis/v8/internal/util/strconv.go
new file mode 100644
index 0000000..db50338
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/util/strconv.go
@@ -0,0 +1,19 @@
+package util
+
+import "strconv"
+
+func Atoi(b []byte) (int, error) {
+ return strconv.Atoi(BytesToString(b))
+}
+
+func ParseInt(b []byte, base int, bitSize int) (int64, error) {
+ return strconv.ParseInt(BytesToString(b), base, bitSize)
+}
+
+func ParseUint(b []byte, base int, bitSize int) (uint64, error) {
+ return strconv.ParseUint(BytesToString(b), base, bitSize)
+}
+
+func ParseFloat(b []byte, bitSize int) (float64, error) {
+ return strconv.ParseFloat(BytesToString(b), bitSize)
+}
diff --git a/vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go b/vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go
new file mode 100644
index 0000000..c9868aa
--- /dev/null
+++ b/vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go
@@ -0,0 +1,22 @@
+// +build !appengine
+
+package util
+
+import (
+ "unsafe"
+)
+
+// BytesToString converts byte slice to string.
+func BytesToString(b []byte) string {
+ return *(*string)(unsafe.Pointer(&b))
+}
+
+// StringToBytes converts string to byte slice.
+func StringToBytes(s string) []byte {
+ return *(*[]byte)(unsafe.Pointer(
+ &struct {
+ string
+ Cap int
+ }{s, len(s)},
+ ))
+}