func (stats *StatsBackend) SInter(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) if len(d) < 2 { client.WriteError(errors.New("SINTER takes at least 2 parameters (SINTER key [key ...])")) client.Flush() return nil } else { keys := make([]string, len(d)) for i, v := range d { keys[i] = string(v) } results, err := stats.mem.SInter(keys) if err != nil { return err } if results == nil { client.WriteNull() client.Flush() return nil } client.WriteLen('*', len(results)) for k, _ := range results { client.WriteString(k) } client.Flush() return nil } }
func (stats *StatsBackend) SIsMember(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) if len(d) < 2 { client.WriteError(errors.New("SISMEMBER takes 2 parameters (SISMEMBER key member)")) client.Flush() return nil } else { key := string(d[0]) results := make([]int64, len(d)-1) for i, v := range d[1:] { result, err := stats.mem.SIsMember(key, string(v)) if err != nil { return err } results[i] = result } if len(results) > 1 { client.WriteLen('*', len(results)) for _, v := range results { client.WriteInt64(v) } } else { client.WriteInt64(results[0]) } client.Flush() return nil } }
func (stats *StatsBackend) SMembers(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) if len(d) == 0 { client.WriteError(errors.New("SMEMBERS takes 1 parameter (SMEMBERS key)")) client.Flush() return nil } else { values, err := stats.mem.SMembers(string(d[0])) if err != nil { return err } if values == nil { client.WriteNull() client.Flush() return nil } client.WriteLen('*', len(values)) for k, _ := range values { client.WriteString(k) } client.Flush() return nil } }
func (stats *StatsBackend) SDiff(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) if len(d) < 2 { client.WriteError(errors.New("SDIFF requires at least 2 parameters (SDIFF key [key ...])")) client.Flush() return nil } else { results, err := stats.mem.SMembers(string(d[0])) if err != nil { return err } else if results == nil { client.WriteNull() client.Flush() return nil } else { for _, v := range d[1:] { results, err = stats.mem.SDiff(results, string(v)) if err != nil { return err } else if len(results) == 0 { break } } client.WriteLen('*', len(results)) for k, _ := range results { client.WriteString(k) } client.Flush() return nil } } }
func (stats *StatsBackend) SCard(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) if len(d) < 1 { client.WriteError(errors.New("SCARD takes at least 1 parameter (SCARD key)")) client.Flush() return nil } else { results := make([]int64, len(d)) for i, v := range d { r, err := stats.mem.SCard(string(v)) if err != nil { return err } else { results[i] = r } } if len(d) > 1 { client.WriteLen('*', len(d)) for _, v := range results { client.WriteInt64(v) } } else { client.WriteInt64(results[0]) } client.Flush() return nil } }
func (stats *StatsBackend) Keys(data interface{}, client server.ProtocolClient) error { d, _ := data.([][]byte) key := "" if len(d) > 0 { pattern, err := stats.readString(d[0]) if err != nil { return err } key = pattern } results, err := stats.mem.Keys(key) if err != nil { client.WriteError(err) client.Flush() return nil } client.WriteLen('*', len(results)) for _, k := range results { client.WriteString(k) } client.Flush() return nil }