mirror of
https://github.com/redis/go-redis.git
synced 2025-07-28 06:42:00 +03:00
Add latency based routing to Redis Cluster client.
This commit is contained in:
Joris Minjat
committed by
Vladimir Mihailenco
Vladimir Mihailenco
parent
3972f28066
commit
487feebef1
133
command.go
133
command.go
@ -30,12 +30,12 @@ var (
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type Cmder interface {
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args() []interface{}
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arg(int) string
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readReply(*pool.Conn) error
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setErr(error)
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reset()
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readTimeout() *time.Duration
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clusterKey() string
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Err() error
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fmt.Stringer
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@ -92,10 +92,7 @@ func cmdString(cmd Cmder, val interface{}) string {
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type baseCmd struct {
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_args []interface{}
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err error
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_clusterKeyPos int
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err error
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_readTimeout *time.Duration
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}
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@ -111,6 +108,15 @@ func (cmd *baseCmd) args() []interface{} {
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return cmd._args
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}
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func (cmd *baseCmd) arg(pos int) string {
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if len(cmd._args) > pos {
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if s, ok := cmd._args[pos].(string); ok {
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return s
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}
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}
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return ""
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}
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func (cmd *baseCmd) readTimeout() *time.Duration {
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return cmd._readTimeout
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}
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@ -119,17 +125,14 @@ func (cmd *baseCmd) setReadTimeout(d time.Duration) {
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cmd._readTimeout = &d
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}
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func (cmd *baseCmd) clusterKey() string {
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if cmd._clusterKeyPos > 0 && cmd._clusterKeyPos < len(cmd._args) {
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return fmt.Sprint(cmd._args[cmd._clusterKeyPos])
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}
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return ""
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}
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func (cmd *baseCmd) setErr(e error) {
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cmd.err = e
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}
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func newBaseCmd(args []interface{}) baseCmd {
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return baseCmd{_args: args}
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}
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//------------------------------------------------------------------------------
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type Cmd struct {
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@ -139,7 +142,7 @@ type Cmd struct {
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}
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func NewCmd(args ...interface{}) *Cmd {
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return &Cmd{baseCmd: baseCmd{_args: args}}
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return &Cmd{baseCmd: newBaseCmd(args)}
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}
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func (cmd *Cmd) reset() {
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@ -183,7 +186,8 @@ type SliceCmd struct {
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}
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func NewSliceCmd(args ...interface{}) *SliceCmd {
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return &SliceCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &SliceCmd{baseCmd: cmd}
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}
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func (cmd *SliceCmd) reset() {
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@ -222,11 +226,8 @@ type StatusCmd struct {
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}
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func NewStatusCmd(args ...interface{}) *StatusCmd {
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return &StatusCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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}
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func newKeylessStatusCmd(args ...interface{}) *StatusCmd {
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return &StatusCmd{baseCmd: baseCmd{_args: args}}
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cmd := newBaseCmd(args)
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return &StatusCmd{baseCmd: cmd}
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}
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func (cmd *StatusCmd) reset() {
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@ -260,7 +261,8 @@ type IntCmd struct {
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}
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func NewIntCmd(args ...interface{}) *IntCmd {
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return &IntCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &IntCmd{baseCmd: cmd}
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}
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func (cmd *IntCmd) reset() {
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@ -295,9 +297,10 @@ type DurationCmd struct {
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}
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func NewDurationCmd(precision time.Duration, args ...interface{}) *DurationCmd {
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cmd := newBaseCmd(args)
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return &DurationCmd{
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precision: precision,
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baseCmd: baseCmd{_args: args, _clusterKeyPos: 1},
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baseCmd: cmd,
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}
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}
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@ -337,7 +340,8 @@ type BoolCmd struct {
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}
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func NewBoolCmd(args ...interface{}) *BoolCmd {
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return &BoolCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &BoolCmd{baseCmd: cmd}
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}
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func (cmd *BoolCmd) reset() {
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@ -393,7 +397,8 @@ type StringCmd struct {
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}
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func NewStringCmd(args ...interface{}) *StringCmd {
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return &StringCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &StringCmd{baseCmd: cmd}
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}
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func (cmd *StringCmd) reset() {
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@ -468,7 +473,8 @@ type FloatCmd struct {
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}
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func NewFloatCmd(args ...interface{}) *FloatCmd {
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return &FloatCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &FloatCmd{baseCmd: cmd}
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}
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func (cmd *FloatCmd) reset() {
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@ -502,7 +508,8 @@ type StringSliceCmd struct {
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}
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func NewStringSliceCmd(args ...interface{}) *StringSliceCmd {
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return &StringSliceCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &StringSliceCmd{baseCmd: cmd}
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}
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func (cmd *StringSliceCmd) reset() {
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@ -541,7 +548,8 @@ type BoolSliceCmd struct {
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}
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func NewBoolSliceCmd(args ...interface{}) *BoolSliceCmd {
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return &BoolSliceCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &BoolSliceCmd{baseCmd: cmd}
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}
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func (cmd *BoolSliceCmd) reset() {
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@ -580,7 +588,8 @@ type StringStringMapCmd struct {
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}
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func NewStringStringMapCmd(args ...interface{}) *StringStringMapCmd {
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return &StringStringMapCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &StringStringMapCmd{baseCmd: cmd}
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}
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func (cmd *StringStringMapCmd) reset() {
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@ -619,7 +628,8 @@ type StringIntMapCmd struct {
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}
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func NewStringIntMapCmd(args ...interface{}) *StringIntMapCmd {
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return &StringIntMapCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &StringIntMapCmd{baseCmd: cmd}
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}
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func (cmd *StringIntMapCmd) Val() map[string]int64 {
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@ -658,7 +668,8 @@ type ZSliceCmd struct {
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}
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func NewZSliceCmd(args ...interface{}) *ZSliceCmd {
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return &ZSliceCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &ZSliceCmd{baseCmd: cmd}
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}
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func (cmd *ZSliceCmd) reset() {
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@ -698,8 +709,9 @@ type ScanCmd struct {
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}
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func NewScanCmd(args ...interface{}) *ScanCmd {
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cmd := newBaseCmd(args)
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return &ScanCmd{
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baseCmd: baseCmd{_args: args, _clusterKeyPos: 1},
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baseCmd: cmd,
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}
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}
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@ -752,7 +764,8 @@ type ClusterSlotsCmd struct {
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}
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func NewClusterSlotsCmd(args ...interface{}) *ClusterSlotsCmd {
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return &ClusterSlotsCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
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cmd := newBaseCmd(args)
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return &ClusterSlotsCmd{baseCmd: cmd}
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}
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func (cmd *ClusterSlotsCmd) Val() []ClusterSlot {
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@ -833,12 +846,10 @@ func NewGeoLocationCmd(q *GeoRadiusQuery, args ...interface{}) *GeoLocationCmd {
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if q.Sort != "" {
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args = append(args, q.Sort)
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}
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cmd := newBaseCmd(args)
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return &GeoLocationCmd{
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baseCmd: baseCmd{
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_args: args,
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_clusterKeyPos: 1,
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},
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q: q,
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baseCmd: cmd,
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q: q,
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}
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}
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@ -868,3 +879,53 @@ func (cmd *GeoLocationCmd) readReply(cn *pool.Conn) error {
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cmd.locations = reply.([]GeoLocation)
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return nil
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}
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//------------------------------------------------------------------------------
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type CommandInfo struct {
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Name string
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Arity int8
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Flags []string
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FirstKeyPos int8
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LastKeyPos int8
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StepCount int8
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ReadOnly bool
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}
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type CommandsInfoCmd struct {
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baseCmd
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val map[string]*CommandInfo
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}
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func NewCommandsInfoCmd(args ...interface{}) *CommandsInfoCmd {
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cmd := newBaseCmd(args)
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return &CommandsInfoCmd{baseCmd: cmd}
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}
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func (cmd *CommandsInfoCmd) Val() map[string]*CommandInfo {
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return cmd.val
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}
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func (cmd *CommandsInfoCmd) Result() (map[string]*CommandInfo, error) {
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return cmd.Val(), cmd.Err()
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}
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func (cmd *CommandsInfoCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *CommandsInfoCmd) reset() {
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cmd.val = nil
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cmd.err = nil
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}
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func (cmd *CommandsInfoCmd) readReply(cn *pool.Conn) error {
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v, err := readArrayReply(cn, commandInfoSliceParser)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(map[string]*CommandInfo)
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return nil
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}
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