/
redis_db.go
42 lines (34 loc) · 915 Bytes
/
redis_db.go
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package engines
import (
"github.com/Tsuki124/crawlab-sdk/internal/driver"
"github.com/Tsuki124/crawlab-sdk/internal/interfaces"
"github.com/crawlab-team/go-trace"
"github.com/go-redis/redis"
)
type RedisDb struct {
interfaces.RedisDb
_DB *redis.Client
}
func NewRedis(name int) interfaces.RedisDb {
db,err := driver.Redis.New(name)
if err!=nil {
panic(trace.Error(err))
}
return &RedisDb{_DB: db}
}
func (my *RedisDb) Subscribe(topic string,msgFn func(channel,pattern,payload string)) {
pubsub := my._DB.Subscribe(topic)
defer func(pubsub *redis.PubSub) {
err := pubsub.Close()
if err != nil {
trace.PrintError(err)
}
}(pubsub)
for pubsubMsg := range pubsub.Channel() {
msgFn(pubsubMsg.Channel,pubsubMsg.Pattern,pubsubMsg.Payload)
}
}
func (my *RedisDb) Publish(topic,msg string) (int64,error) {
count,err := my._DB.Publish(topic,msg).Result()
return count,trace.Error(err)
}