From 09b49c26ddfdb20ced61e7dfd4192e750ce40449 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 31 Jul 2017 08:15:23 -0700 Subject: PLT-5308 Caching layer part 2 (#6973) * Adding Reaction store cache layer example * Implementing reaction store in new caching system. * Redis for reaction store * Adding redis library * Adding invalidation for DeleteAllWithEmojiName and other minor enhancements --- vendor/github.com/go-redis/redis/parser.go | 374 +++++++++++++++++++++++++++++ 1 file changed, 374 insertions(+) create mode 100644 vendor/github.com/go-redis/redis/parser.go (limited to 'vendor/github.com/go-redis/redis/parser.go') diff --git a/vendor/github.com/go-redis/redis/parser.go b/vendor/github.com/go-redis/redis/parser.go new file mode 100644 index 000000000..1d7ec630e --- /dev/null +++ b/vendor/github.com/go-redis/redis/parser.go @@ -0,0 +1,374 @@ +package redis + +import ( + "fmt" + "net" + "strconv" + "time" + + "github.com/go-redis/redis/internal/proto" +) + +// Implements proto.MultiBulkParse +func sliceParser(rd *proto.Reader, n int64) (interface{}, error) { + vals := make([]interface{}, 0, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(sliceParser) + if err == Nil { + vals = append(vals, nil) + } else if err != nil { + return nil, err + } else { + switch vv := v.(type) { + case []byte: + vals = append(vals, string(vv)) + default: + vals = append(vals, v) + } + } + } + return vals, nil +} + +// Implements proto.MultiBulkParse +func boolSliceParser(rd *proto.Reader, n int64) (interface{}, error) { + bools := make([]bool, 0, n) + for i := int64(0); i < n; i++ { + n, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + bools = append(bools, n == 1) + } + return bools, nil +} + +// Implements proto.MultiBulkParse +func stringSliceParser(rd *proto.Reader, n int64) (interface{}, error) { + ss := make([]string, 0, n) + for i := int64(0); i < n; i++ { + s, err := rd.ReadStringReply() + if err == Nil { + ss = append(ss, "") + } else if err != nil { + return nil, err + } else { + ss = append(ss, s) + } + } + return ss, nil +} + +// Implements proto.MultiBulkParse +func stringStringMapParser(rd *proto.Reader, n int64) (interface{}, error) { + m := make(map[string]string, n/2) + for i := int64(0); i < n; i += 2 { + key, err := rd.ReadStringReply() + if err != nil { + return nil, err + } + + value, err := rd.ReadStringReply() + if err != nil { + return nil, err + } + + m[key] = value + } + return m, nil +} + +// Implements proto.MultiBulkParse +func stringIntMapParser(rd *proto.Reader, n int64) (interface{}, error) { + m := make(map[string]int64, n/2) + for i := int64(0); i < n; i += 2 { + key, err := rd.ReadStringReply() + if err != nil { + return nil, err + } + + n, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + m[key] = n + } + return m, nil +} + +// Implements proto.MultiBulkParse +func zSliceParser(rd *proto.Reader, n int64) (interface{}, error) { + zz := make([]Z, n/2) + for i := int64(0); i < n; i += 2 { + var err error + + z := &zz[i/2] + + z.Member, err = rd.ReadStringReply() + if err != nil { + return nil, err + } + + z.Score, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + } + return zz, nil +} + +// Implements proto.MultiBulkParse +func clusterSlotsParser(rd *proto.Reader, n int64) (interface{}, error) { + slots := make([]ClusterSlot, n) + for i := 0; i < len(slots); i++ { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n < 2 { + err := fmt.Errorf("redis: got %d elements in cluster info, expected at least 2", n) + return nil, err + } + + start, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + end, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + nodes := make([]ClusterNode, n-2) + for j := 0; j < len(nodes); j++ { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n != 2 && n != 3 { + err := fmt.Errorf("got %d elements in cluster info address, expected 2 or 3", n) + return nil, err + } + + ip, err := rd.ReadStringReply() + if err != nil { + return nil, err + } + + port, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + nodes[j].Addr = net.JoinHostPort(ip, strconv.FormatInt(port, 10)) + + if n == 3 { + id, err := rd.ReadStringReply() + if err != nil { + return nil, err + } + nodes[j].Id = id + } + } + + slots[i] = ClusterSlot{ + Start: int(start), + End: int(end), + Nodes: nodes, + } + } + return slots, 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.ReadStringReply() + if err != nil { + return nil, err + } + if q.WithDist { + loc.Dist, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + } + if q.WithGeoHash { + loc.GeoHash, err = rd.ReadIntReply() + if err != nil { + return nil, err + } + } + if q.WithCoord { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n != 2 { + return nil, fmt.Errorf("got %d coordinates, expected 2", n) + } + + loc.Longitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + loc.Latitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + } + + return &loc, nil + } +} + +func newGeoLocationSliceParser(q *GeoRadiusQuery) proto.MultiBulkParse { + return func(rd *proto.Reader, n int64) (interface{}, error) { + locs := make([]GeoLocation, 0, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(newGeoLocationParser(q)) + if err != nil { + return nil, err + } + switch vv := v.(type) { + case []byte: + locs = append(locs, GeoLocation{ + Name: string(vv), + }) + case *GeoLocation: + locs = append(locs, *vv) + default: + return nil, fmt.Errorf("got %T, expected string or *GeoLocation", v) + } + } + return locs, nil + } +} + +func geoPosParser(rd *proto.Reader, n int64) (interface{}, error) { + var pos GeoPos + var err error + + pos.Longitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + + pos.Latitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + + return &pos, nil +} + +func geoPosSliceParser(rd *proto.Reader, n int64) (interface{}, error) { + positions := make([]*GeoPos, 0, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(geoPosParser) + if err != nil { + if err == Nil { + positions = append(positions, nil) + continue + } + return nil, err + } + switch v := v.(type) { + case *GeoPos: + positions = append(positions, v) + default: + return nil, fmt.Errorf("got %T, expected *GeoPos", v) + } + } + return positions, nil +} + +func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) { + var cmd CommandInfo + var err error + + if n != 6 { + return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 6", n) + } + + cmd.Name, err = rd.ReadStringReply() + if err != nil { + return nil, err + } + + arity, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.Arity = int8(arity) + + flags, err := rd.ReadReply(stringSliceParser) + if err != nil { + return nil, err + } + cmd.Flags = flags.([]string) + + firstKeyPos, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.FirstKeyPos = int8(firstKeyPos) + + lastKeyPos, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.LastKeyPos = int8(lastKeyPos) + + stepCount, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.StepCount = int8(stepCount) + + for _, flag := range cmd.Flags { + if flag == "readonly" { + cmd.ReadOnly = true + break + } + } + + return &cmd, nil +} + +// Implements proto.MultiBulkParse +func commandInfoSliceParser(rd *proto.Reader, n int64) (interface{}, error) { + m := make(map[string]*CommandInfo, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(commandInfoParser) + if err != nil { + return nil, err + } + vv := v.(*CommandInfo) + m[vv.Name] = vv + + } + return m, nil +} + +// Implements proto.MultiBulkParse +func timeParser(rd *proto.Reader, n int64) (interface{}, error) { + if n != 2 { + return nil, fmt.Errorf("got %d elements, expected 2", n) + } + + sec, err := rd.ReadInt() + if err != nil { + return nil, err + } + + microsec, err := rd.ReadInt() + if err != nil { + return nil, err + } + + return time.Unix(sec, microsec*1000), nil +} -- cgit v1.2.3-1-g7c22