7f8e3192cd
* Allow common redis and leveldb connections Prevents multiple reopening of redis and leveldb connections to the same place by sharing connections. Further allows for more configurable redis connection type using the redisURI and a leveldbURI scheme. Signed-off-by: Andrew Thornton <art27@cantab.net> * add unit-test Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> * add test Signed-off-by: Andrew Thornton <art27@cantab.net> * Update modules/cache/cache_redis.go * Update modules/queue/queue_disk.go * Update modules/cache/cache_redis.go * Update modules/cache/cache_redis.go * Update modules/queue/unique_queue_disk.go * Update modules/queue/queue_disk.go * Update modules/queue/unique_queue_disk.go * Update modules/session/redis.go Co-authored-by: techknowlogick <techknowlogick@gitea.io> Co-authored-by: Lauris BH <lauris@nix.lv>
2064 lines
40 KiB
Go
Vendored
2064 lines
40 KiB
Go
Vendored
package redis
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import (
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"fmt"
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"net"
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"strconv"
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"strings"
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"time"
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"github.com/go-redis/redis/v7/internal"
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"github.com/go-redis/redis/v7/internal/proto"
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"github.com/go-redis/redis/v7/internal/util"
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)
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type Cmder interface {
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Name() string
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Args() []interface{}
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String() string
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stringArg(int) string
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readTimeout() *time.Duration
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readReply(rd *proto.Reader) error
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SetErr(error)
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Err() error
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}
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func setCmdsErr(cmds []Cmder, e error) {
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for _, cmd := range cmds {
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if cmd.Err() == nil {
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cmd.SetErr(e)
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}
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}
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}
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func cmdsFirstErr(cmds []Cmder) error {
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for _, cmd := range cmds {
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if err := cmd.Err(); err != nil {
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return err
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}
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}
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return nil
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}
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func writeCmds(wr *proto.Writer, cmds []Cmder) error {
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for _, cmd := range cmds {
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if err := writeCmd(wr, cmd); err != nil {
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return err
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}
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}
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return nil
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}
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func writeCmd(wr *proto.Writer, cmd Cmder) error {
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return wr.WriteArgs(cmd.Args())
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}
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func cmdString(cmd Cmder, val interface{}) string {
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ss := make([]string, 0, len(cmd.Args()))
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for _, arg := range cmd.Args() {
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ss = append(ss, fmt.Sprint(arg))
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}
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s := strings.Join(ss, " ")
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if err := cmd.Err(); err != nil {
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return s + ": " + err.Error()
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}
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if val != nil {
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switch vv := val.(type) {
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case []byte:
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return s + ": " + string(vv)
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default:
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return s + ": " + fmt.Sprint(val)
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}
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}
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return s
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}
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func cmdFirstKeyPos(cmd Cmder, info *CommandInfo) int {
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switch cmd.Name() {
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case "eval", "evalsha":
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if cmd.stringArg(2) != "0" {
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return 3
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}
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return 0
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case "publish":
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return 1
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}
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if info == nil {
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return 0
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}
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return int(info.FirstKeyPos)
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}
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//------------------------------------------------------------------------------
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type baseCmd struct {
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args []interface{}
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err error
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_readTimeout *time.Duration
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}
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var _ Cmder = (*Cmd)(nil)
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func (cmd *baseCmd) Name() string {
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if len(cmd.args) == 0 {
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return ""
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}
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// Cmd name must be lower cased.
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return internal.ToLower(cmd.stringArg(0))
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}
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func (cmd *baseCmd) Args() []interface{} {
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return cmd.args
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}
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func (cmd *baseCmd) stringArg(pos int) string {
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if pos < 0 || pos >= len(cmd.args) {
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return ""
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}
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s, _ := cmd.args[pos].(string)
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return s
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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 (cmd *baseCmd) Err() error {
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|
return cmd.err
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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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func (cmd *baseCmd) setReadTimeout(d time.Duration) {
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cmd._readTimeout = &d
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}
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//------------------------------------------------------------------------------
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type Cmd struct {
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baseCmd
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val interface{}
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}
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func NewCmd(args ...interface{}) *Cmd {
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|
return &Cmd{
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baseCmd: baseCmd{args: args},
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}
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}
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func (cmd *Cmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *Cmd) Val() interface{} {
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return cmd.val
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}
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func (cmd *Cmd) Result() (interface{}, error) {
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return cmd.val, cmd.err
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}
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func (cmd *Cmd) Text() (string, error) {
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if cmd.err != nil {
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return "", cmd.err
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}
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switch val := cmd.val.(type) {
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case string:
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return val, nil
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default:
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err := fmt.Errorf("redis: unexpected type=%T for String", val)
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return "", err
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}
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}
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func (cmd *Cmd) Int() (int, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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switch val := cmd.val.(type) {
|
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case int64:
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return int(val), nil
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case string:
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return strconv.Atoi(val)
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default:
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err := fmt.Errorf("redis: unexpected type=%T for Int", val)
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|
return 0, err
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}
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}
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func (cmd *Cmd) Int64() (int64, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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switch val := cmd.val.(type) {
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case int64:
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return val, nil
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case string:
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return strconv.ParseInt(val, 10, 64)
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default:
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err := fmt.Errorf("redis: unexpected type=%T for Int64", val)
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return 0, err
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}
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}
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func (cmd *Cmd) Uint64() (uint64, error) {
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|
if cmd.err != nil {
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return 0, cmd.err
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}
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switch val := cmd.val.(type) {
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case int64:
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return uint64(val), nil
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case string:
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return strconv.ParseUint(val, 10, 64)
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default:
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err := fmt.Errorf("redis: unexpected type=%T for Uint64", val)
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return 0, err
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}
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}
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func (cmd *Cmd) Float32() (float32, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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switch val := cmd.val.(type) {
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case int64:
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return float32(val), nil
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case string:
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f, err := strconv.ParseFloat(val, 32)
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if err != nil {
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return 0, err
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}
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return float32(f), nil
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default:
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err := fmt.Errorf("redis: unexpected type=%T for Float32", val)
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return 0, err
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}
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}
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func (cmd *Cmd) Float64() (float64, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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switch val := cmd.val.(type) {
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case int64:
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return float64(val), nil
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case string:
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return strconv.ParseFloat(val, 64)
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default:
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err := fmt.Errorf("redis: unexpected type=%T for Float64", val)
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return 0, err
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}
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}
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func (cmd *Cmd) Bool() (bool, error) {
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if cmd.err != nil {
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return false, cmd.err
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}
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switch val := cmd.val.(type) {
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case int64:
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return val != 0, nil
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case string:
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return strconv.ParseBool(val)
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default:
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|
err := fmt.Errorf("redis: unexpected type=%T for Bool", val)
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return false, err
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}
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}
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func (cmd *Cmd) readReply(rd *proto.Reader) error {
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cmd.val, cmd.err = rd.ReadReply(sliceParser)
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return cmd.err
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}
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// Implements proto.MultiBulkParse
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func sliceParser(rd *proto.Reader, n int64) (interface{}, error) {
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vals := make([]interface{}, n)
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for i := 0; i < len(vals); i++ {
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v, err := rd.ReadReply(sliceParser)
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if err != nil {
|
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if err == Nil {
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vals[i] = nil
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continue
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}
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if err, ok := err.(proto.RedisError); ok {
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|
vals[i] = err
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continue
|
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}
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|
return nil, err
|
|
}
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vals[i] = v
|
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}
|
|
return vals, nil
|
|
}
|
|
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|
//------------------------------------------------------------------------------
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|
|
type SliceCmd struct {
|
|
baseCmd
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|
|
val []interface{}
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|
}
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|
var _ Cmder = (*SliceCmd)(nil)
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|
|
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
|
|
}
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|
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
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|
}
|
|
cmd.val = v.([]interface{})
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|
return nil
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
type StatusCmd struct {
|
|
baseCmd
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|
|
val string
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}
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var _ Cmder = (*StatusCmd)(nil)
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|
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func NewStatusCmd(args ...interface{}) *StatusCmd {
|
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return &StatusCmd{
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baseCmd: baseCmd{args: args},
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}
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}
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func (cmd *StatusCmd) Val() string {
|
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return cmd.val
|
|
}
|
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|
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func (cmd *StatusCmd) Result() (string, error) {
|
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return cmd.val, cmd.err
|
|
}
|
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|
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func (cmd *StatusCmd) String() string {
|
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return cmdString(cmd, cmd.val)
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}
|
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|
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func (cmd *StatusCmd) readReply(rd *proto.Reader) error {
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cmd.val, cmd.err = rd.ReadString()
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return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
type IntCmd struct {
|
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baseCmd
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|
|
|
val int64
|
|
}
|
|
|
|
var _ Cmder = (*IntCmd)(nil)
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|
|
|
func NewIntCmd(args ...interface{}) *IntCmd {
|
|
return &IntCmd{
|
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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) Uint64() (uint64, error) {
|
|
return uint64(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 IntSliceCmd struct {
|
|
baseCmd
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|
|
|
val []int64
|
|
}
|
|
|
|
var _ Cmder = (*IntSliceCmd)(nil)
|
|
|
|
func NewIntSliceCmd(args ...interface{}) *IntSliceCmd {
|
|
return &IntSliceCmd{
|
|
baseCmd: baseCmd{args: args},
|
|
}
|
|
}
|
|
|
|
func (cmd *IntSliceCmd) Val() []int64 {
|
|
return cmd.val
|
|
}
|
|
|
|
func (cmd *IntSliceCmd) Result() ([]int64, error) {
|
|
return cmd.val, cmd.err
|
|
}
|
|
|
|
func (cmd *IntSliceCmd) String() string {
|
|
return cmdString(cmd, cmd.val)
|
|
}
|
|
|
|
func (cmd *IntSliceCmd) readReply(rd *proto.Reader) error {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]int64, n)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
num, err := rd.ReadIntReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd.val[i] = num
|
|
}
|
|
return nil, nil
|
|
})
|
|
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
|
|
}
|
|
switch n {
|
|
// -2 if the key does not exist
|
|
// -1 if the key exists but has no associated expire
|
|
case -2, -1:
|
|
cmd.val = time.Duration(n)
|
|
default:
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(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
|
|
}
|
|
|
|
cmd.val = time.Unix(sec, microsec*1000)
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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.
|
|
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 util.StringToBytes(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) Float32() (float32, error) {
|
|
if cmd.err != nil {
|
|
return 0, cmd.err
|
|
}
|
|
f, err := strconv.ParseFloat(cmd.Val(), 32)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return float32(f), nil
|
|
}
|
|
|
|
func (cmd *StringCmd) Float64() (float64, error) {
|
|
if cmd.err != nil {
|
|
return 0, cmd.err
|
|
}
|
|
return strconv.ParseFloat(cmd.Val(), 64)
|
|
}
|
|
|
|
func (cmd *StringCmd) Time() (time.Time, error) {
|
|
if cmd.err != nil {
|
|
return time.Time{}, cmd.err
|
|
}
|
|
return time.Parse(time.RFC3339Nano, cmd.Val())
|
|
}
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]string, n)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
switch s, err := rd.ReadString(); {
|
|
case err == Nil:
|
|
cmd.val[i] = ""
|
|
case err != nil:
|
|
return nil, err
|
|
default:
|
|
cmd.val[i] = s
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]bool, n)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
n, err := rd.ReadIntReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd.val[i] = n == 1
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = 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
|
|
}
|
|
|
|
cmd.val[key] = value
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = 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
|
|
}
|
|
|
|
cmd.val[key] = n
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make(map[string]struct{}, n)
|
|
for i := int64(0); i < n; i++ {
|
|
key, err := rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd.val[key] = struct{}{}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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, n)
|
|
for i := 0; i < len(msgs); i++ {
|
|
i := i
|
|
_, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
id, err := rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var values map[string]interface{}
|
|
|
|
v, err := rd.ReadArrayReply(stringInterfaceMapParser)
|
|
if err != nil {
|
|
if err != proto.Nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
values = v.(map[string]interface{})
|
|
}
|
|
|
|
msgs[i] = XMessage{
|
|
ID: id,
|
|
Values: values,
|
|
}
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]XStream, n)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
i := 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
|
|
}
|
|
|
|
cmd.val[i] = XStream{
|
|
Stream: stream,
|
|
Messages: v.([]XMessage),
|
|
}
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(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
|
|
}
|
|
|
|
cmd.val = &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 cmd.val.Consumers == nil {
|
|
cmd.val.Consumers = make(map[string]int64)
|
|
}
|
|
cmd.val.Consumers[consumerName] = consumerPending
|
|
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
if err != nil && err != Nil {
|
|
return nil, err
|
|
}
|
|
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = 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
|
|
}
|
|
|
|
cmd.val = append(cmd.val, XPendingExt{
|
|
ID: id,
|
|
Consumer: consumer,
|
|
Idle: time.Duration(idle) * time.Millisecond,
|
|
RetryCount: retryCount,
|
|
})
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
type XInfoGroupsCmd struct {
|
|
baseCmd
|
|
val []XInfoGroups
|
|
}
|
|
|
|
type XInfoGroups struct {
|
|
Name string
|
|
Consumers int64
|
|
Pending int64
|
|
LastDeliveredID string
|
|
}
|
|
|
|
var _ Cmder = (*XInfoGroupsCmd)(nil)
|
|
|
|
func NewXInfoGroupsCmd(stream string) *XInfoGroupsCmd {
|
|
return &XInfoGroupsCmd{
|
|
baseCmd: baseCmd{args: []interface{}{"xinfo", "groups", stream}},
|
|
}
|
|
}
|
|
|
|
func (cmd *XInfoGroupsCmd) Val() []XInfoGroups {
|
|
return cmd.val
|
|
}
|
|
|
|
func (cmd *XInfoGroupsCmd) Result() ([]XInfoGroups, error) {
|
|
return cmd.val, cmd.err
|
|
}
|
|
|
|
func (cmd *XInfoGroupsCmd) String() string {
|
|
return cmdString(cmd, cmd.val)
|
|
}
|
|
|
|
func (cmd *XInfoGroupsCmd) readReply(rd *proto.Reader) error {
|
|
_, cmd.err = rd.ReadArrayReply(
|
|
func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
for i := int64(0); i < n; i++ {
|
|
v, err := rd.ReadReply(xGroupInfoParser)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cmd.val = append(cmd.val, v.(XInfoGroups))
|
|
}
|
|
return nil, nil
|
|
})
|
|
return nil
|
|
}
|
|
|
|
func xGroupInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
|
|
if n != 8 {
|
|
return nil, fmt.Errorf("redis: got %d elements in XINFO GROUPS reply,"+
|
|
"wanted 8", n)
|
|
}
|
|
var (
|
|
err error
|
|
grp XInfoGroups
|
|
key string
|
|
val string
|
|
)
|
|
|
|
for i := 0; i < 4; i++ {
|
|
key, err = rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
val, err = rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
switch key {
|
|
case "name":
|
|
grp.Name = val
|
|
case "consumers":
|
|
grp.Consumers, err = strconv.ParseInt(val, 0, 64)
|
|
case "pending":
|
|
grp.Pending, err = strconv.ParseInt(val, 0, 64)
|
|
case "last-delivered-id":
|
|
grp.LastDeliveredID = val
|
|
default:
|
|
return nil, fmt.Errorf("redis: unexpected content %s "+
|
|
"in XINFO GROUPS reply", key)
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return grp, err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]Z, n/2)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
member, err := rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
score, err := rd.ReadFloatReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cmd.val[i] = Z{
|
|
Member: member,
|
|
Score: score,
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
if n != 3 {
|
|
return nil, fmt.Errorf("got %d elements, expected 3", n)
|
|
}
|
|
|
|
cmd.val = &ZWithKey{}
|
|
var err error
|
|
|
|
cmd.val.Key, err = rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cmd.val.Member, err = rd.ReadString()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cmd.val.Score, err = rd.ReadFloatReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]ClusterSlot, n)
|
|
for i := 0; i < len(cmd.val); 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
|
|
}
|
|
}
|
|
|
|
cmd.val[i] = ClusterSlot{
|
|
Start: int(start),
|
|
End: int(end),
|
|
Nodes: nodes,
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// 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 {
|
|
return &GeoLocationCmd{
|
|
baseCmd: baseCmd{args: geoLocationArgs(q, args...)},
|
|
q: q,
|
|
}
|
|
}
|
|
|
|
func geoLocationArgs(q *GeoRadiusQuery, args ...interface{}) []interface{} {
|
|
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 args
|
|
}
|
|
|
|
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 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:
|
|
//TODO: avoid copying
|
|
locs = append(locs, *vv)
|
|
default:
|
|
return nil, fmt.Errorf("got %T, expected string or *GeoLocation", v)
|
|
}
|
|
}
|
|
return locs, 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
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
type GeoPos struct {
|
|
Longitude, Latitude float64
|
|
}
|
|
|
|
type GeoPosCmd struct {
|
|
baseCmd
|
|
|
|
val []*GeoPos
|
|
}
|
|
|
|
var _ Cmder = (*GeoPosCmd)(nil)
|
|
|
|
func NewGeoPosCmd(args ...interface{}) *GeoPosCmd {
|
|
return &GeoPosCmd{
|
|
baseCmd: baseCmd{args: args},
|
|
}
|
|
}
|
|
|
|
func (cmd *GeoPosCmd) Val() []*GeoPos {
|
|
return cmd.val
|
|
}
|
|
|
|
func (cmd *GeoPosCmd) Result() ([]*GeoPos, error) {
|
|
return cmd.Val(), cmd.Err()
|
|
}
|
|
|
|
func (cmd *GeoPosCmd) String() string {
|
|
return cmdString(cmd, cmd.val)
|
|
}
|
|
|
|
func (cmd *GeoPosCmd) readReply(rd *proto.Reader) error {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = make([]*GeoPos, n)
|
|
for i := 0; i < len(cmd.val); i++ {
|
|
i := i
|
|
_, err := rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
longitude, err := rd.ReadFloatReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
latitude, err := rd.ReadFloatReply()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cmd.val[i] = &GeoPos{
|
|
Longitude: longitude,
|
|
Latitude: latitude,
|
|
}
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
if err == Nil {
|
|
cmd.val[i] = nil
|
|
continue
|
|
}
|
|
return nil, err
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
type CommandInfo struct {
|
|
Name string
|
|
Arity int8
|
|
Flags []string
|
|
ACLFlags []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 {
|
|
_, cmd.err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.val = 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)
|
|
cmd.val[vv.Name] = vv
|
|
}
|
|
return nil, nil
|
|
})
|
|
return cmd.err
|
|
}
|
|
|
|
func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
|
|
const numArgRedis5 = 6
|
|
const numArgRedis6 = 7
|
|
|
|
switch n {
|
|
case numArgRedis5, numArgRedis6:
|
|
// continue
|
|
default:
|
|
return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 7", n)
|
|
}
|
|
|
|
var cmd CommandInfo
|
|
var err error
|
|
|
|
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)
|
|
|
|
_, err = rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.Flags = make([]string, n)
|
|
for i := 0; i < len(cmd.Flags); i++ {
|
|
switch s, err := rd.ReadString(); {
|
|
case err == Nil:
|
|
cmd.Flags[i] = ""
|
|
case err != nil:
|
|
return nil, err
|
|
default:
|
|
cmd.Flags[i] = s
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
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
|
|
}
|
|
}
|
|
|
|
if n == numArgRedis5 {
|
|
return &cmd, nil
|
|
}
|
|
|
|
_, err = rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) {
|
|
cmd.ACLFlags = make([]string, n)
|
|
for i := 0; i < len(cmd.ACLFlags); i++ {
|
|
switch s, err := rd.ReadString(); {
|
|
case err == Nil:
|
|
cmd.ACLFlags[i] = ""
|
|
case err != nil:
|
|
return nil, err
|
|
default:
|
|
cmd.ACLFlags[i] = s
|
|
}
|
|
}
|
|
return nil, nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// Extensions have cmd names in upper case. Convert them to lower case.
|
|
for k, v := range cmds {
|
|
lower := internal.ToLower(k)
|
|
if lower != k {
|
|
cmds[lower] = v
|
|
}
|
|
}
|
|
|
|
c.cmds = cmds
|
|
return nil
|
|
})
|
|
return c.cmds, err
|
|
}
|