func newServerRedis(srv imageserver.Server) imageserver.Server {
if flagRedis == "" {
return srv
}
pool := &redis.Pool{
Dial: func() (redis.Conn, error) {
return redis.Dial("tcp", flagRedis)
},
MaxIdle: 50,
}
var cch imageserver_cache.Cache
cch = &imageserver_cache_redis.Cache{
Pool: pool,
Expire: 7 * 24 * time.Hour,
}
cch = &imageserver_cache.IgnoreError{Cache: cch}
cch = &imageserver_cache.Async{Cache: cch}
var kg imageserver_cache.KeyGenerator
kg = imageserver_cache.NewParamsHashKeyGenerator(sha256.New)
kg = &imageserver_cache.PrefixKeyGenerator{
KeyGenerator: kg,
Prefix: "image:",
}
return &imageserver_cache.Server{
Server: srv,
Cache: cch,
KeyGenerator: kg,
}
}
func newServerCacheMemory(srv imageserver.Server) imageserver.Server {
if flagCacheMemory <= 0 {
return srv
}
return &imageserver_cache.Server{
Server: srv,
Cache: imageserver_cache_memory.New(flagCacheMemory),
KeyGenerator: imageserver_cache.NewParamsHashKeyGenerator(sha256.New),
}
}
func newServerGroupcache(srv imageserver.Server) imageserver.Server {
if flagGroupcache <= 0 {
return srv
}
return imageserver_cache_groupcache.NewServer(
srv,
imageserver_cache.NewParamsHashKeyGenerator(sha256.New),
groupcacheName,
flagGroupcache,
)
}
func newServerMemory(srv imageserver.Server) imageserver.Server {
if flagMemory <= 0 {
return srv
}
cch := imageserver_cache_memory.New(flagMemory)
kg := imageserver_cache.NewParamsHashKeyGenerator(sha256.New)
return &imageserver_cache.Server{
Server: srv,
Cache: cch,
KeyGenerator: kg,
}
}
func newServerMemcache(srv imageserver.Server) imageserver.Server {
if flagMemcache == "" {
return srv
}
cl := memcache.New(flagMemcache)
var cch imageserver_cache.Cache
cch = &imageserver_cache_memcache.Cache{Client: cl}
cch = &imageserver_cache.IgnoreError{Cache: cch}
cch = &imageserver_cache.Async{Cache: cch}
kg := imageserver_cache.NewParamsHashKeyGenerator(sha256.New)
return &imageserver_cache.Server{
Server: srv,
Cache: cch,
KeyGenerator: kg,
}
}