func NewRedisBackend(dns, prefix string, persistent bool) (Storage, error) {
db, err := kvstore.Open(dns)
if err != nil {
return nil, err
}
conn := db.Get()
_, err = conn.Do("Ping")
conn.Close()
if err != nil {
return nil, err
}
return &redisBackend{
prefix: prefix,
db: db,
lifetime: DefaultLifetime,
persistent: persistent,
}, nil
}
func main() {
flag.Parse()
if *help {
flag.Usage()
os.Exit(1)
}
runtime.GOMAXPROCS(runtime.NumCPU())
if _, err := toml.DecodeFile(*configFilename, &config); err != nil {
log.Fatal(err)
}
if config.Laddr == "" {
config.Laddr = *laddr
}
for k, v := range config.Regions {
v.Codename = k
store, err := kvstore.Open(v.RedisDSN)
if err != nil {
log.Fatal(err)
}
conn := store.Get()
_, err = conn.Do("Ping")
conn.Close()
if err != nil {
log.Fatalf("region %s: %v", k, err)
}
v.Backend = NewRedisBackend(store, v.Codename)
}
runServer()
}