forked from mirror/redis
Refactor NewXInfoGroupsCmd
This commit is contained in:
parent
a32502b1d9
commit
86326c4924
90
command.go
90
command.go
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@ -1395,10 +1395,10 @@ func (cmd *XPendingExtCmd) readReply(rd *proto.Reader) error {
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type XInfoGroupsCmd struct {
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baseCmd
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val []XInfoGroups
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val []XInfoGroup
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}
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type XInfoGroups struct {
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type XInfoGroup struct {
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Name string
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Consumers int64
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Pending int64
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@ -1416,11 +1416,11 @@ func NewXInfoGroupsCmd(ctx context.Context, stream string) *XInfoGroupsCmd {
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}
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}
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func (cmd *XInfoGroupsCmd) Val() []XInfoGroups {
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func (cmd *XInfoGroupsCmd) Val() []XInfoGroup {
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return cmd.val
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}
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func (cmd *XInfoGroupsCmd) Result() ([]XInfoGroups, error) {
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func (cmd *XInfoGroupsCmd) Result() ([]XInfoGroup, error) {
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return cmd.val, cmd.err
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}
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@ -1429,58 +1429,66 @@ func (cmd *XInfoGroupsCmd) String() string {
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}
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func (cmd *XInfoGroupsCmd) readReply(rd *proto.Reader) error {
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_, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) {
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for i := int64(0); i < n; i++ {
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v, err := rd.ReadReply(xGroupInfoParser)
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n, err := rd.ReadArrayLen()
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if err != nil {
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return nil, err
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}
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cmd.val = append(cmd.val, v.(XInfoGroups))
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}
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return nil, nil
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})
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return err
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}
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func xGroupInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
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if n != 8 {
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return nil, fmt.Errorf("redis: got %d elements in XINFO GROUPS reply,"+
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"wanted 8", n)
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cmd.val = make([]XInfoGroup, n)
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for i := 0; i < n; i++ {
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cmd.val[i], err = readXGroupInfo(rd)
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if 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 readXGroupInfo(rd *proto.Reader) (XInfoGroup, error) {
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var group XInfoGroup
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n, err := rd.ReadArrayLen()
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if err != nil {
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return group, err
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}
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if n != 8 {
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return group, fmt.Errorf("redis: got %d elements in XINFO GROUPS reply, wanted 8", n)
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}
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var (
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err error
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grp XInfoGroups
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key string
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val string
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)
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for i := 0; i < 4; i++ {
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key, err = rd.ReadString()
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key, err := rd.ReadString()
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if err != nil {
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return nil, err
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return group, err
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}
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val, err = rd.ReadString()
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val, err := rd.ReadString()
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if err != nil {
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return nil, err
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return group, err
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}
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switch key {
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case "name":
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grp.Name = val
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group.Name = val
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case "consumers":
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grp.Consumers, err = strconv.ParseInt(val, 0, 64)
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case "pending":
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grp.Pending, err = strconv.ParseInt(val, 0, 64)
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case "last-delivered-id":
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grp.LastDeliveredID = val
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default:
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return nil, fmt.Errorf("redis: unexpected content %s "+
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"in XINFO GROUPS reply", key)
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}
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group.Consumers, err = strconv.ParseInt(val, 0, 64)
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if err != nil {
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return nil, err
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return group, err
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}
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case "pending":
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group.Pending, err = strconv.ParseInt(val, 0, 64)
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if err != nil {
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return group, err
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}
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case "last-delivered-id":
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group.LastDeliveredID = val
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default:
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return group, fmt.Errorf("redis: unexpected content %s in XINFO GROUPS reply", key)
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}
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}
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return grp, err
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return group, nil
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}
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//------------------------------------------------------------------------------
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@ -2257,7 +2265,7 @@ func (cmd *SlowLogCmd) readReply(rd *proto.Reader) error {
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}
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cmdString := make([]string, cmdLen)
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for i := 0; i < int(cmdLen); i++ {
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for i := 0; i < cmdLen; i++ {
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cmdString[i], err = rd.ReadString()
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if err != nil {
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return nil, err
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@ -2265,7 +2273,7 @@ func (cmd *SlowLogCmd) readReply(rd *proto.Reader) error {
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}
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var address, name string
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for i := 4; i < int(n); i++ {
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for i := 4; i < n; i++ {
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str, err := rd.ReadString()
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if err != nil {
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return nil, err
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@ -1517,7 +1517,7 @@ func (c cmdable) XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd {
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keyPos += 2
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}
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args = append(args, "streams")
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keyPos += 1
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keyPos++
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for _, s := range a.Streams {
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args = append(args, s)
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}
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@ -1592,10 +1592,10 @@ func (c cmdable) XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSlic
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}
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if a.NoAck {
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args = append(args, "noack")
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keyPos += 1
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keyPos++
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}
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args = append(args, "streams")
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keyPos += 1
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keyPos++
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for _, s := range a.Streams {
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args = append(args, s)
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}
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@ -181,7 +181,7 @@ func (r *Reader) ReadArrayReply(m MultiBulkParse) (interface{}, error) {
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}
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}
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func (r *Reader) ReadArrayLen() (int64, error) {
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func (r *Reader) ReadArrayLen() (int, error) {
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line, err := r.ReadLine()
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if err != nil {
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return 0, err
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@ -190,7 +190,11 @@ func (r *Reader) ReadArrayLen() (int64, error) {
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case ErrorReply:
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return 0, ParseErrorReply(line)
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case ArrayReply:
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return parseArrayLen(line)
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n, err := parseArrayLen(line)
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if err != nil {
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return 0, err
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}
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return int(n), nil
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default:
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return 0, fmt.Errorf("redis: can't parse array reply: %.100q", line)
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}
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@ -216,7 +220,8 @@ func (r *Reader) ReadScanReply() ([]string, uint64, error) {
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}
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keys := make([]string, n)
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for i := int64(0); i < n; i++ {
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for i := 0; i < n; i++ {
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key, err := r.ReadString()
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if err != nil {
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return nil, 0, err
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