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Aleksandar Novaković 0c77d84176 MF-382 - Improve performance by adding Redis cache for message auth (#383)
* Add redis caching for thing and channel connections

Signed-off-by: Aleksandar Novakovic <aleksandar.novakovic@mainflux.com>

* Fix authorization caching flow

Signed-off-by: Aleksandar Novakovic <aleksandar.novakovic@mainflux.com>

* Update things documentation

Signed-off-by: Aleksandar Novakovic <aleksandar.novakovic@mainflux.com>
2018-09-04 22:19:43 +02:00

30 lines
427 B
Go

package internal
import "github.com/go-redis/redis/internal/util"
func ToLower(s string) string {
if isLower(s) {
return s
}
b := make([]byte, len(s))
for i := range b {
c := s[i]
if c >= 'A' && c <= 'Z' {
c += 'a' - 'A'
}
b[i] = c
}
return util.BytesToString(b)
}
func isLower(s string) bool {
for i := 0; i < len(s); i++ {
c := s[i]
if c >= 'A' && c <= 'Z' {
return false
}
}
return true
}