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Diffstat (limited to 'src/dma/vendor/github.com/go-redis/redis/command.go')
-rw-r--r--src/dma/vendor/github.com/go-redis/redis/command.go1936
1 files changed, 1936 insertions, 0 deletions
diff --git a/src/dma/vendor/github.com/go-redis/redis/command.go b/src/dma/vendor/github.com/go-redis/redis/command.go
new file mode 100644
index 00000000..cb4f94b1
--- /dev/null
+++ b/src/dma/vendor/github.com/go-redis/redis/command.go
@@ -0,0 +1,1936 @@
+package redis
+
+import (
+ "fmt"
+ "net"
+ "strconv"
+ "strings"
+ "time"
+
+ "github.com/go-redis/redis/internal"
+ "github.com/go-redis/redis/internal/proto"
+)
+
+type Cmder interface {
+ Name() string
+ Args() []interface{}
+ stringArg(int) string
+
+ readReply(rd *proto.Reader) error
+ setErr(error)
+
+ readTimeout() *time.Duration
+
+ Err() error
+}
+
+func setCmdsErr(cmds []Cmder, e error) {
+ for _, cmd := range cmds {
+ if cmd.Err() == nil {
+ cmd.setErr(e)
+ }
+ }
+}
+
+func cmdsFirstErr(cmds []Cmder) error {
+ for _, cmd := range cmds {
+ if err := cmd.Err(); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func writeCmd(wr *proto.Writer, cmds ...Cmder) error {
+ for _, cmd := range cmds {
+ err := wr.WriteArgs(cmd.Args())
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func cmdString(cmd Cmder, val interface{}) string {
+ var ss []string
+ for _, arg := range cmd.Args() {
+ ss = append(ss, fmt.Sprint(arg))
+ }
+ s := strings.Join(ss, " ")
+ if err := cmd.Err(); err != nil {
+ return s + ": " + err.Error()
+ }
+ if val != nil {
+ switch vv := val.(type) {
+ case []byte:
+ return s + ": " + string(vv)
+ default:
+ return s + ": " + fmt.Sprint(val)
+ }
+ }
+ return s
+
+}
+
+func cmdFirstKeyPos(cmd Cmder, info *CommandInfo) int {
+ switch cmd.Name() {
+ case "eval", "evalsha":
+ if cmd.stringArg(2) != "0" {
+ return 3
+ }
+
+ return 0
+ case "publish":
+ return 1
+ }
+ if info == nil {
+ return 0
+ }
+ return int(info.FirstKeyPos)
+}
+
+//------------------------------------------------------------------------------
+
+type baseCmd struct {
+ _args []interface{}
+ err error
+
+ _readTimeout *time.Duration
+}
+
+var _ Cmder = (*Cmd)(nil)
+
+func (cmd *baseCmd) Err() error {
+ return cmd.err
+}
+
+func (cmd *baseCmd) Args() []interface{} {
+ return cmd._args
+}
+
+func (cmd *baseCmd) stringArg(pos int) string {
+ if pos < 0 || pos >= len(cmd._args) {
+ return ""
+ }
+ s, _ := cmd._args[pos].(string)
+ return s
+}
+
+func (cmd *baseCmd) Name() string {
+ if len(cmd._args) > 0 {
+ // Cmd name must be lower cased.
+ s := internal.ToLower(cmd.stringArg(0))
+ cmd._args[0] = s
+ return s
+ }
+ return ""
+}
+
+func (cmd *baseCmd) readTimeout() *time.Duration {
+ return cmd._readTimeout
+}
+
+func (cmd *baseCmd) setReadTimeout(d time.Duration) {
+ cmd._readTimeout = &d
+}
+
+func (cmd *baseCmd) setErr(e error) {
+ cmd.err = e
+}
+
+//------------------------------------------------------------------------------
+
+type Cmd struct {
+ baseCmd
+
+ val interface{}
+}
+
+func NewCmd(args ...interface{}) *Cmd {
+ return &Cmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *Cmd) Val() interface{} {
+ return cmd.val
+}
+
+func (cmd *Cmd) Result() (interface{}, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *Cmd) String() (string, error) {
+ if cmd.err != nil {
+ return "", cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case string:
+ return val, nil
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for String", val)
+ return "", err
+ }
+}
+
+func (cmd *Cmd) Int() (int, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case int64:
+ return int(val), nil
+ case string:
+ return strconv.Atoi(val)
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for Int", val)
+ return 0, err
+ }
+}
+
+func (cmd *Cmd) Int64() (int64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case int64:
+ return val, nil
+ case string:
+ return strconv.ParseInt(val, 10, 64)
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for Int64", val)
+ return 0, err
+ }
+}
+
+func (cmd *Cmd) Uint64() (uint64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case int64:
+ return uint64(val), nil
+ case string:
+ return strconv.ParseUint(val, 10, 64)
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for Uint64", val)
+ return 0, err
+ }
+}
+
+func (cmd *Cmd) Float64() (float64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case int64:
+ return float64(val), nil
+ case string:
+ return strconv.ParseFloat(val, 64)
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for Float64", val)
+ return 0, err
+ }
+}
+
+func (cmd *Cmd) Bool() (bool, error) {
+ if cmd.err != nil {
+ return false, cmd.err
+ }
+ switch val := cmd.val.(type) {
+ case int64:
+ return val != 0, nil
+ case string:
+ return strconv.ParseBool(val)
+ default:
+ err := fmt.Errorf("redis: unexpected type=%T for Bool", val)
+ return false, err
+ }
+}
+
+func (cmd *Cmd) readReply(rd *proto.Reader) error {
+ cmd.val, cmd.err = rd.ReadReply(sliceParser)
+ return cmd.err
+}
+
+// Implements proto.MultiBulkParse
+func sliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ vals := make([]interface{}, 0, n)
+ for i := int64(0); i < n; i++ {
+ v, err := rd.ReadReply(sliceParser)
+ if err != nil {
+ if err == Nil {
+ vals = append(vals, nil)
+ continue
+ }
+ if err, ok := err.(proto.RedisError); ok {
+ vals = append(vals, err)
+ continue
+ }
+ return nil, err
+ }
+
+ switch v := v.(type) {
+ case string:
+ vals = append(vals, v)
+ default:
+ vals = append(vals, v)
+ }
+ }
+ return vals, nil
+}
+
+//------------------------------------------------------------------------------
+
+type SliceCmd struct {
+ baseCmd
+
+ val []interface{}
+}
+
+var _ Cmder = (*SliceCmd)(nil)
+
+func NewSliceCmd(args ...interface{}) *SliceCmd {
+ return &SliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *SliceCmd) Val() []interface{} {
+ return cmd.val
+}
+
+func (cmd *SliceCmd) Result() ([]interface{}, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *SliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *SliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(sliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]interface{})
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type StatusCmd struct {
+ baseCmd
+
+ val string
+}
+
+var _ Cmder = (*StatusCmd)(nil)
+
+func NewStatusCmd(args ...interface{}) *StatusCmd {
+ return &StatusCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StatusCmd) Val() string {
+ return cmd.val
+}
+
+func (cmd *StatusCmd) Result() (string, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StatusCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StatusCmd) readReply(rd *proto.Reader) error {
+ cmd.val, cmd.err = rd.ReadString()
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type IntCmd struct {
+ baseCmd
+
+ val int64
+}
+
+var _ Cmder = (*IntCmd)(nil)
+
+func NewIntCmd(args ...interface{}) *IntCmd {
+ return &IntCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *IntCmd) Val() int64 {
+ return cmd.val
+}
+
+func (cmd *IntCmd) Result() (int64, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *IntCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *IntCmd) readReply(rd *proto.Reader) error {
+ cmd.val, cmd.err = rd.ReadIntReply()
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type DurationCmd struct {
+ baseCmd
+
+ val time.Duration
+ precision time.Duration
+}
+
+var _ Cmder = (*DurationCmd)(nil)
+
+func NewDurationCmd(precision time.Duration, args ...interface{}) *DurationCmd {
+ return &DurationCmd{
+ baseCmd: baseCmd{_args: args},
+ precision: precision,
+ }
+}
+
+func (cmd *DurationCmd) Val() time.Duration {
+ return cmd.val
+}
+
+func (cmd *DurationCmd) Result() (time.Duration, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *DurationCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *DurationCmd) readReply(rd *proto.Reader) error {
+ var n int64
+ n, cmd.err = rd.ReadIntReply()
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = time.Duration(n) * cmd.precision
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type TimeCmd struct {
+ baseCmd
+
+ val time.Time
+}
+
+var _ Cmder = (*TimeCmd)(nil)
+
+func NewTimeCmd(args ...interface{}) *TimeCmd {
+ return &TimeCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *TimeCmd) Val() time.Time {
+ return cmd.val
+}
+
+func (cmd *TimeCmd) Result() (time.Time, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *TimeCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *TimeCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(timeParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(time.Time)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func timeParser(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 2 {
+ return nil, fmt.Errorf("got %d elements, expected 2", n)
+ }
+
+ sec, err := rd.ReadInt()
+ if err != nil {
+ return nil, err
+ }
+
+ microsec, err := rd.ReadInt()
+ if err != nil {
+ return nil, err
+ }
+
+ return time.Unix(sec, microsec*1000), nil
+}
+
+//------------------------------------------------------------------------------
+
+type BoolCmd struct {
+ baseCmd
+
+ val bool
+}
+
+var _ Cmder = (*BoolCmd)(nil)
+
+func NewBoolCmd(args ...interface{}) *BoolCmd {
+ return &BoolCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *BoolCmd) Val() bool {
+ return cmd.val
+}
+
+func (cmd *BoolCmd) Result() (bool, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *BoolCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *BoolCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadReply(nil)
+ // `SET key value NX` returns nil when key already exists. But
+ // `SETNX key value` returns bool (0/1). So convert nil to bool.
+ // TODO: is this okay?
+ if cmd.err == Nil {
+ cmd.val = false
+ cmd.err = nil
+ return nil
+ }
+ if cmd.err != nil {
+ return cmd.err
+ }
+ switch v := v.(type) {
+ case int64:
+ cmd.val = v == 1
+ return nil
+ case string:
+ cmd.val = v == "OK"
+ return nil
+ default:
+ cmd.err = fmt.Errorf("got %T, wanted int64 or string", v)
+ return cmd.err
+ }
+}
+
+//------------------------------------------------------------------------------
+
+type StringCmd struct {
+ baseCmd
+
+ val string
+}
+
+var _ Cmder = (*StringCmd)(nil)
+
+func NewStringCmd(args ...interface{}) *StringCmd {
+ return &StringCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StringCmd) Val() string {
+ return cmd.val
+}
+
+func (cmd *StringCmd) Result() (string, error) {
+ return cmd.Val(), cmd.err
+}
+
+func (cmd *StringCmd) Bytes() ([]byte, error) {
+ return []byte(cmd.val), cmd.err
+}
+
+func (cmd *StringCmd) Int() (int, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.Atoi(cmd.Val())
+}
+
+func (cmd *StringCmd) Int64() (int64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseInt(cmd.Val(), 10, 64)
+}
+
+func (cmd *StringCmd) Uint64() (uint64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseUint(cmd.Val(), 10, 64)
+}
+
+func (cmd *StringCmd) Float64() (float64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseFloat(cmd.Val(), 64)
+}
+
+func (cmd *StringCmd) Scan(val interface{}) error {
+ if cmd.err != nil {
+ return cmd.err
+ }
+ return proto.Scan([]byte(cmd.val), val)
+}
+
+func (cmd *StringCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringCmd) readReply(rd *proto.Reader) error {
+ cmd.val, cmd.err = rd.ReadString()
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type FloatCmd struct {
+ baseCmd
+
+ val float64
+}
+
+var _ Cmder = (*FloatCmd)(nil)
+
+func NewFloatCmd(args ...interface{}) *FloatCmd {
+ return &FloatCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *FloatCmd) Val() float64 {
+ return cmd.val
+}
+
+func (cmd *FloatCmd) Result() (float64, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *FloatCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *FloatCmd) readReply(rd *proto.Reader) error {
+ cmd.val, cmd.err = rd.ReadFloatReply()
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type StringSliceCmd struct {
+ baseCmd
+
+ val []string
+}
+
+var _ Cmder = (*StringSliceCmd)(nil)
+
+func NewStringSliceCmd(args ...interface{}) *StringSliceCmd {
+ return &StringSliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StringSliceCmd) Val() []string {
+ return cmd.val
+}
+
+func (cmd *StringSliceCmd) Result() ([]string, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *StringSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringSliceCmd) ScanSlice(container interface{}) error {
+ return proto.ScanSlice(cmd.Val(), container)
+}
+
+func (cmd *StringSliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(stringSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]string)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func stringSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ ss := make([]string, 0, n)
+ for i := int64(0); i < n; i++ {
+ s, err := rd.ReadString()
+ if err == Nil {
+ ss = append(ss, "")
+ } else if err != nil {
+ return nil, err
+ } else {
+ ss = append(ss, s)
+ }
+ }
+ return ss, nil
+}
+
+//------------------------------------------------------------------------------
+
+type BoolSliceCmd struct {
+ baseCmd
+
+ val []bool
+}
+
+var _ Cmder = (*BoolSliceCmd)(nil)
+
+func NewBoolSliceCmd(args ...interface{}) *BoolSliceCmd {
+ return &BoolSliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *BoolSliceCmd) Val() []bool {
+ return cmd.val
+}
+
+func (cmd *BoolSliceCmd) Result() ([]bool, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *BoolSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *BoolSliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(boolSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]bool)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func boolSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ bools := make([]bool, 0, n)
+ for i := int64(0); i < n; i++ {
+ n, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ bools = append(bools, n == 1)
+ }
+ return bools, nil
+}
+
+//------------------------------------------------------------------------------
+
+type StringStringMapCmd struct {
+ baseCmd
+
+ val map[string]string
+}
+
+var _ Cmder = (*StringStringMapCmd)(nil)
+
+func NewStringStringMapCmd(args ...interface{}) *StringStringMapCmd {
+ return &StringStringMapCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StringStringMapCmd) Val() map[string]string {
+ return cmd.val
+}
+
+func (cmd *StringStringMapCmd) Result() (map[string]string, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StringStringMapCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringStringMapCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(stringStringMapParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(map[string]string)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func stringStringMapParser(rd *proto.Reader, n int64) (interface{}, error) {
+ m := make(map[string]string, n/2)
+ for i := int64(0); i < n; i += 2 {
+ key, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ value, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ m[key] = value
+ }
+ return m, nil
+}
+
+//------------------------------------------------------------------------------
+
+type StringIntMapCmd struct {
+ baseCmd
+
+ val map[string]int64
+}
+
+var _ Cmder = (*StringIntMapCmd)(nil)
+
+func NewStringIntMapCmd(args ...interface{}) *StringIntMapCmd {
+ return &StringIntMapCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StringIntMapCmd) Val() map[string]int64 {
+ return cmd.val
+}
+
+func (cmd *StringIntMapCmd) Result() (map[string]int64, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StringIntMapCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringIntMapCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(stringIntMapParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(map[string]int64)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func stringIntMapParser(rd *proto.Reader, n int64) (interface{}, error) {
+ m := make(map[string]int64, n/2)
+ for i := int64(0); i < n; i += 2 {
+ key, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ n, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+
+ m[key] = n
+ }
+ return m, nil
+}
+
+//------------------------------------------------------------------------------
+
+type StringStructMapCmd struct {
+ baseCmd
+
+ val map[string]struct{}
+}
+
+var _ Cmder = (*StringStructMapCmd)(nil)
+
+func NewStringStructMapCmd(args ...interface{}) *StringStructMapCmd {
+ return &StringStructMapCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *StringStructMapCmd) Val() map[string]struct{} {
+ return cmd.val
+}
+
+func (cmd *StringStructMapCmd) Result() (map[string]struct{}, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StringStructMapCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringStructMapCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(stringStructMapParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(map[string]struct{})
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func stringStructMapParser(rd *proto.Reader, n int64) (interface{}, error) {
+ m := make(map[string]struct{}, n)
+ for i := int64(0); i < n; i++ {
+ key, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ m[key] = struct{}{}
+ }
+ return m, nil
+}
+
+//------------------------------------------------------------------------------
+
+type XMessage struct {
+ ID string
+ Values map[string]interface{}
+}
+
+type XMessageSliceCmd struct {
+ baseCmd
+
+ val []XMessage
+}
+
+var _ Cmder = (*XMessageSliceCmd)(nil)
+
+func NewXMessageSliceCmd(args ...interface{}) *XMessageSliceCmd {
+ return &XMessageSliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *XMessageSliceCmd) Val() []XMessage {
+ return cmd.val
+}
+
+func (cmd *XMessageSliceCmd) Result() ([]XMessage, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *XMessageSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *XMessageSliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(xMessageSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]XMessage)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func xMessageSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ msgs := make([]XMessage, 0, n)
+ for i := int64(0); i < n; i++ {
+ _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+ id, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ v, err := rd.ReadArrayReply(stringInterfaceMapParser)
+ if err != nil {
+ return nil, err
+ }
+
+ msgs = append(msgs, XMessage{
+ ID: id,
+ Values: v.(map[string]interface{}),
+ })
+ return nil, nil
+ })
+ if err != nil {
+ return nil, err
+ }
+ }
+ return msgs, nil
+}
+
+// Implements proto.MultiBulkParse
+func stringInterfaceMapParser(rd *proto.Reader, n int64) (interface{}, error) {
+ m := make(map[string]interface{}, n/2)
+ for i := int64(0); i < n; i += 2 {
+ key, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ value, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ m[key] = value
+ }
+ return m, nil
+}
+
+//------------------------------------------------------------------------------
+
+type XStream struct {
+ Stream string
+ Messages []XMessage
+}
+
+type XStreamSliceCmd struct {
+ baseCmd
+
+ val []XStream
+}
+
+var _ Cmder = (*XStreamSliceCmd)(nil)
+
+func NewXStreamSliceCmd(args ...interface{}) *XStreamSliceCmd {
+ return &XStreamSliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *XStreamSliceCmd) Val() []XStream {
+ return cmd.val
+}
+
+func (cmd *XStreamSliceCmd) Result() ([]XStream, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *XStreamSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *XStreamSliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(xStreamSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]XStream)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func xStreamSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ ret := make([]XStream, 0, n)
+ for i := int64(0); i < n; i++ {
+ _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 2 {
+ return nil, fmt.Errorf("got %d, wanted 2", n)
+ }
+
+ stream, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ v, err := rd.ReadArrayReply(xMessageSliceParser)
+ if err != nil {
+ return nil, err
+ }
+
+ ret = append(ret, XStream{
+ Stream: stream,
+ Messages: v.([]XMessage),
+ })
+ return nil, nil
+ })
+ if err != nil {
+ return nil, err
+ }
+ }
+ return ret, nil
+}
+
+//------------------------------------------------------------------------------
+
+type XPending struct {
+ Count int64
+ Lower string
+ Higher string
+ Consumers map[string]int64
+}
+
+type XPendingCmd struct {
+ baseCmd
+ val *XPending
+}
+
+var _ Cmder = (*XPendingCmd)(nil)
+
+func NewXPendingCmd(args ...interface{}) *XPendingCmd {
+ return &XPendingCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *XPendingCmd) Val() *XPending {
+ return cmd.val
+}
+
+func (cmd *XPendingCmd) Result() (*XPending, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *XPendingCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *XPendingCmd) readReply(rd *proto.Reader) error {
+ var info interface{}
+ info, cmd.err = rd.ReadArrayReply(xPendingParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = info.(*XPending)
+ return nil
+}
+
+func xPendingParser(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 4 {
+ return nil, fmt.Errorf("got %d, wanted 4", n)
+ }
+
+ count, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+
+ lower, err := rd.ReadString()
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ higher, err := rd.ReadString()
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ pending := &XPending{
+ Count: count,
+ Lower: lower,
+ Higher: higher,
+ }
+ _, err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+ for i := int64(0); i < n; i++ {
+ _, err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 2 {
+ return nil, fmt.Errorf("got %d, wanted 2", n)
+ }
+
+ consumerName, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ consumerPending, err := rd.ReadInt()
+ if err != nil {
+ return nil, err
+ }
+
+ if pending.Consumers == nil {
+ pending.Consumers = make(map[string]int64)
+ }
+ pending.Consumers[consumerName] = consumerPending
+
+ return nil, nil
+ })
+ if err != nil {
+ return nil, err
+ }
+ }
+ return nil, nil
+ })
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ return pending, nil
+}
+
+//------------------------------------------------------------------------------
+
+type XPendingExt struct {
+ Id string
+ Consumer string
+ Idle time.Duration
+ RetryCount int64
+}
+
+type XPendingExtCmd struct {
+ baseCmd
+ val []XPendingExt
+}
+
+var _ Cmder = (*XPendingExtCmd)(nil)
+
+func NewXPendingExtCmd(args ...interface{}) *XPendingExtCmd {
+ return &XPendingExtCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *XPendingExtCmd) Val() []XPendingExt {
+ return cmd.val
+}
+
+func (cmd *XPendingExtCmd) Result() ([]XPendingExt, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *XPendingExtCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *XPendingExtCmd) readReply(rd *proto.Reader) error {
+ var info interface{}
+ info, cmd.err = rd.ReadArrayReply(xPendingExtSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = info.([]XPendingExt)
+ return nil
+}
+
+func xPendingExtSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ ret := make([]XPendingExt, 0, n)
+ for i := int64(0); i < n; i++ {
+ _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 4 {
+ return nil, fmt.Errorf("got %d, wanted 4", n)
+ }
+
+ id, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ consumer, err := rd.ReadString()
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ idle, err := rd.ReadIntReply()
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ retryCount, err := rd.ReadIntReply()
+ if err != nil && err != Nil {
+ return nil, err
+ }
+
+ ret = append(ret, XPendingExt{
+ Id: id,
+ Consumer: consumer,
+ Idle: time.Duration(idle) * time.Millisecond,
+ RetryCount: retryCount,
+ })
+ return nil, nil
+ })
+ if err != nil {
+ return nil, err
+ }
+ }
+ return ret, nil
+}
+
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+
+type ZSliceCmd struct {
+ baseCmd
+
+ val []Z
+}
+
+var _ Cmder = (*ZSliceCmd)(nil)
+
+func NewZSliceCmd(args ...interface{}) *ZSliceCmd {
+ return &ZSliceCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *ZSliceCmd) Val() []Z {
+ return cmd.val
+}
+
+func (cmd *ZSliceCmd) Result() ([]Z, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *ZSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *ZSliceCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(zSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]Z)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func zSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ zz := make([]Z, n/2)
+ for i := int64(0); i < n; i += 2 {
+ var err error
+
+ z := &zz[i/2]
+
+ z.Member, err = rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ z.Score, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+ }
+ return zz, nil
+}
+
+//------------------------------------------------------------------------------
+
+type ZWithKeyCmd struct {
+ baseCmd
+
+ val ZWithKey
+}
+
+var _ Cmder = (*ZWithKeyCmd)(nil)
+
+func NewZWithKeyCmd(args ...interface{}) *ZWithKeyCmd {
+ return &ZWithKeyCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *ZWithKeyCmd) Val() ZWithKey {
+ return cmd.val
+}
+
+func (cmd *ZWithKeyCmd) Result() (ZWithKey, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *ZWithKeyCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *ZWithKeyCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(zWithKeyParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(ZWithKey)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func zWithKeyParser(rd *proto.Reader, n int64) (interface{}, error) {
+ if n != 3 {
+ return nil, fmt.Errorf("got %d elements, expected 3", n)
+ }
+
+ var z ZWithKey
+ var err error
+
+ z.Key, err = rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+ z.Member, err = rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+ z.Score, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+ return z, nil
+}
+
+//------------------------------------------------------------------------------
+
+type ScanCmd struct {
+ baseCmd
+
+ page []string
+ cursor uint64
+
+ process func(cmd Cmder) error
+}
+
+var _ Cmder = (*ScanCmd)(nil)
+
+func NewScanCmd(process func(cmd Cmder) error, args ...interface{}) *ScanCmd {
+ return &ScanCmd{
+ baseCmd: baseCmd{_args: args},
+ process: process,
+ }
+}
+
+func (cmd *ScanCmd) Val() (keys []string, cursor uint64) {
+ return cmd.page, cmd.cursor
+}
+
+func (cmd *ScanCmd) Result() (keys []string, cursor uint64, err error) {
+ return cmd.page, cmd.cursor, cmd.err
+}
+
+func (cmd *ScanCmd) String() string {
+ return cmdString(cmd, cmd.page)
+}
+
+func (cmd *ScanCmd) readReply(rd *proto.Reader) error {
+ cmd.page, cmd.cursor, cmd.err = rd.ReadScanReply()
+ return cmd.err
+}
+
+// Iterator creates a new ScanIterator.
+func (cmd *ScanCmd) Iterator() *ScanIterator {
+ return &ScanIterator{
+ cmd: cmd,
+ }
+}
+
+//------------------------------------------------------------------------------
+
+type ClusterNode struct {
+ Id string
+ Addr string
+}
+
+type ClusterSlot struct {
+ Start int
+ End int
+ Nodes []ClusterNode
+}
+
+type ClusterSlotsCmd struct {
+ baseCmd
+
+ val []ClusterSlot
+}
+
+var _ Cmder = (*ClusterSlotsCmd)(nil)
+
+func NewClusterSlotsCmd(args ...interface{}) *ClusterSlotsCmd {
+ return &ClusterSlotsCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *ClusterSlotsCmd) Val() []ClusterSlot {
+ return cmd.val
+}
+
+func (cmd *ClusterSlotsCmd) Result() ([]ClusterSlot, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *ClusterSlotsCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *ClusterSlotsCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(clusterSlotsParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.([]ClusterSlot)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func clusterSlotsParser(rd *proto.Reader, n int64) (interface{}, error) {
+ slots := make([]ClusterSlot, n)
+ for i := 0; i < len(slots); i++ {
+ n, err := rd.ReadArrayLen()
+ if err != nil {
+ return nil, err
+ }
+ if n < 2 {
+ err := fmt.Errorf("redis: got %d elements in cluster info, expected at least 2", n)
+ return nil, err
+ }
+
+ start, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+
+ end, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+
+ nodes := make([]ClusterNode, n-2)
+ for j := 0; j < len(nodes); j++ {
+ n, err := rd.ReadArrayLen()
+ if err != nil {
+ return nil, err
+ }
+ if n != 2 && n != 3 {
+ err := fmt.Errorf("got %d elements in cluster info address, expected 2 or 3", n)
+ return nil, err
+ }
+
+ ip, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ port, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ nodes[j].Addr = net.JoinHostPort(ip, port)
+
+ if n == 3 {
+ id, err := rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+ nodes[j].Id = id
+ }
+ }
+
+ slots[i] = ClusterSlot{
+ Start: int(start),
+ End: int(end),
+ Nodes: nodes,
+ }
+ }
+ return slots, nil
+}
+
+//------------------------------------------------------------------------------
+
+// GeoLocation is used with GeoAdd to add geospatial location.
+type GeoLocation struct {
+ Name string
+ Longitude, Latitude, Dist float64
+ GeoHash int64
+}
+
+// GeoRadiusQuery is used with GeoRadius to query geospatial index.
+type GeoRadiusQuery struct {
+ Radius float64
+ // Can be m, km, ft, or mi. Default is km.
+ Unit string
+ WithCoord bool
+ WithDist bool
+ WithGeoHash bool
+ Count int
+ // Can be ASC or DESC. Default is no sort order.
+ Sort string
+ Store string
+ StoreDist string
+}
+
+type GeoLocationCmd struct {
+ baseCmd
+
+ q *GeoRadiusQuery
+ locations []GeoLocation
+}
+
+var _ Cmder = (*GeoLocationCmd)(nil)
+
+func NewGeoLocationCmd(q *GeoRadiusQuery, args ...interface{}) *GeoLocationCmd {
+ args = append(args, q.Radius)
+ if q.Unit != "" {
+ args = append(args, q.Unit)
+ } else {
+ args = append(args, "km")
+ }
+ if q.WithCoord {
+ args = append(args, "withcoord")
+ }
+ if q.WithDist {
+ args = append(args, "withdist")
+ }
+ if q.WithGeoHash {
+ args = append(args, "withhash")
+ }
+ if q.Count > 0 {
+ args = append(args, "count", q.Count)
+ }
+ if q.Sort != "" {
+ args = append(args, q.Sort)
+ }
+ if q.Store != "" {
+ args = append(args, "store")
+ args = append(args, q.Store)
+ }
+ if q.StoreDist != "" {
+ args = append(args, "storedist")
+ args = append(args, q.StoreDist)
+ }
+ return &GeoLocationCmd{
+ baseCmd: baseCmd{_args: args},
+ q: q,
+ }
+}
+
+func (cmd *GeoLocationCmd) Val() []GeoLocation {
+ return cmd.locations
+}
+
+func (cmd *GeoLocationCmd) Result() ([]GeoLocation, error) {
+ return cmd.locations, cmd.err
+}
+
+func (cmd *GeoLocationCmd) String() string {
+ return cmdString(cmd, cmd.locations)
+}
+
+func (cmd *GeoLocationCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(newGeoLocationSliceParser(cmd.q))
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.locations = v.([]GeoLocation)
+ return nil
+}
+
+func newGeoLocationParser(q *GeoRadiusQuery) proto.MultiBulkParse {
+ return func(rd *proto.Reader, n int64) (interface{}, error) {
+ var loc GeoLocation
+ var err error
+
+ loc.Name, err = rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+ if q.WithDist {
+ loc.Dist, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+ }
+ if q.WithGeoHash {
+ loc.GeoHash, err = rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ }
+ if q.WithCoord {
+ n, err := rd.ReadArrayLen()
+ if err != nil {
+ return nil, err
+ }
+ if n != 2 {
+ return nil, fmt.Errorf("got %d coordinates, expected 2", n)
+ }
+
+ loc.Longitude, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+ loc.Latitude, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ return &loc, nil
+ }
+}
+
+func newGeoLocationSliceParser(q *GeoRadiusQuery) proto.MultiBulkParse {
+ return func(rd *proto.Reader, n int64) (interface{}, error) {
+ locs := make([]GeoLocation, 0, n)
+ for i := int64(0); i < n; i++ {
+ v, err := rd.ReadReply(newGeoLocationParser(q))
+ if err != nil {
+ return nil, err
+ }
+ switch vv := v.(type) {
+ case string:
+ locs = append(locs, GeoLocation{
+ Name: vv,
+ })
+ case *GeoLocation:
+ locs = append(locs, *vv)
+ default:
+ return nil, fmt.Errorf("got %T, expected string or *GeoLocation", v)
+ }
+ }
+ return locs, nil
+ }
+}
+
+//------------------------------------------------------------------------------
+
+type GeoPos struct {
+ Longitude, Latitude float64
+}
+
+type GeoPosCmd struct {
+ baseCmd
+
+ positions []*GeoPos
+}
+
+var _ Cmder = (*GeoPosCmd)(nil)
+
+func NewGeoPosCmd(args ...interface{}) *GeoPosCmd {
+ return &GeoPosCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *GeoPosCmd) Val() []*GeoPos {
+ return cmd.positions
+}
+
+func (cmd *GeoPosCmd) Result() ([]*GeoPos, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *GeoPosCmd) String() string {
+ return cmdString(cmd, cmd.positions)
+}
+
+func (cmd *GeoPosCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(geoPosSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.positions = v.([]*GeoPos)
+ return nil
+}
+
+func geoPosSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ positions := make([]*GeoPos, 0, n)
+ for i := int64(0); i < n; i++ {
+ v, err := rd.ReadReply(geoPosParser)
+ if err != nil {
+ if err == Nil {
+ positions = append(positions, nil)
+ continue
+ }
+ return nil, err
+ }
+ switch v := v.(type) {
+ case *GeoPos:
+ positions = append(positions, v)
+ default:
+ return nil, fmt.Errorf("got %T, expected *GeoPos", v)
+ }
+ }
+ return positions, nil
+}
+
+func geoPosParser(rd *proto.Reader, n int64) (interface{}, error) {
+ var pos GeoPos
+ var err error
+
+ pos.Longitude, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+
+ pos.Latitude, err = rd.ReadFloatReply()
+ if err != nil {
+ return nil, err
+ }
+
+ return &pos, nil
+}
+
+//------------------------------------------------------------------------------
+
+type CommandInfo struct {
+ Name string
+ Arity int8
+ Flags []string
+ FirstKeyPos int8
+ LastKeyPos int8
+ StepCount int8
+ ReadOnly bool
+}
+
+type CommandsInfoCmd struct {
+ baseCmd
+
+ val map[string]*CommandInfo
+}
+
+var _ Cmder = (*CommandsInfoCmd)(nil)
+
+func NewCommandsInfoCmd(args ...interface{}) *CommandsInfoCmd {
+ return &CommandsInfoCmd{
+ baseCmd: baseCmd{_args: args},
+ }
+}
+
+func (cmd *CommandsInfoCmd) Val() map[string]*CommandInfo {
+ return cmd.val
+}
+
+func (cmd *CommandsInfoCmd) Result() (map[string]*CommandInfo, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *CommandsInfoCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *CommandsInfoCmd) readReply(rd *proto.Reader) error {
+ var v interface{}
+ v, cmd.err = rd.ReadArrayReply(commandInfoSliceParser)
+ if cmd.err != nil {
+ return cmd.err
+ }
+ cmd.val = v.(map[string]*CommandInfo)
+ return nil
+}
+
+// Implements proto.MultiBulkParse
+func commandInfoSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+ m := make(map[string]*CommandInfo, n)
+ for i := int64(0); i < n; i++ {
+ v, err := rd.ReadReply(commandInfoParser)
+ if err != nil {
+ return nil, err
+ }
+ vv := v.(*CommandInfo)
+ m[vv.Name] = vv
+
+ }
+ return m, nil
+}
+
+func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
+ var cmd CommandInfo
+ var err error
+
+ if n != 6 {
+ return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 6", n)
+ }
+
+ cmd.Name, err = rd.ReadString()
+ if err != nil {
+ return nil, err
+ }
+
+ arity, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ cmd.Arity = int8(arity)
+
+ flags, err := rd.ReadReply(stringSliceParser)
+ if err != nil {
+ return nil, err
+ }
+ cmd.Flags = flags.([]string)
+
+ firstKeyPos, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ cmd.FirstKeyPos = int8(firstKeyPos)
+
+ lastKeyPos, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ cmd.LastKeyPos = int8(lastKeyPos)
+
+ stepCount, err := rd.ReadIntReply()
+ if err != nil {
+ return nil, err
+ }
+ cmd.StepCount = int8(stepCount)
+
+ for _, flag := range cmd.Flags {
+ if flag == "readonly" {
+ cmd.ReadOnly = true
+ break
+ }
+ }
+
+ return &cmd, nil
+}
+
+//------------------------------------------------------------------------------
+
+type cmdsInfoCache struct {
+ fn func() (map[string]*CommandInfo, error)
+
+ once internal.Once
+ cmds map[string]*CommandInfo
+}
+
+func newCmdsInfoCache(fn func() (map[string]*CommandInfo, error)) *cmdsInfoCache {
+ return &cmdsInfoCache{
+ fn: fn,
+ }
+}
+
+func (c *cmdsInfoCache) Get() (map[string]*CommandInfo, error) {
+ err := c.once.Do(func() error {
+ cmds, err := c.fn()
+ if err != nil {
+ return err
+ }
+ c.cmds = cmds
+ return nil
+ })
+ return c.cmds, err
+}