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redis.go
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redis.go
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package rdb
import (
"bytes"
"context"
"time"
"github.com/go-redis/redis/v8"
)
const (
redisTimeout = 10 * time.Second
)
// See Go-Redis documentation: https://redis.uptrace.dev/
func RedisSetSession(client *redis.Client, session *Session, seconds int) error {
buf, err := GOBEncode(&session)
if err != nil {
return err
}
ctx, closeFn := context.WithTimeout(context.Background(), redisTimeout)
defer closeFn()
expires := time.Duration(seconds) * time.Second
if err := client.Set(ctx, session.SessionID, buf.Bytes(), expires).Err(); err != nil {
return err
}
return nil
}
func RedisGetSession(client *redis.Client, session *Session, key string) error {
ctx, closeFn := context.WithTimeout(context.Background(), redisTimeout)
defer closeFn()
// Get object matching key.
data, err := client.Get(ctx, key).Bytes()
if err == redis.Nil {
return NotFoundErr
} else if err != nil {
return err
}
// Found object, decode it.
buf := bytes.NewBuffer(data)
if err := GOBDecode(buf, session); err != nil {
return err
}
return nil
}