func NewTunnelRegistry(cacheSize uint64, cacheFile string) *TunnelRegistry {
registry := &TunnelRegistry{
tunnels: make(map[string]*Tunnel),
affinity: cache.NewLRUCache(cacheSize),
Logger: log.NewPrefixLogger("registry", "tun"),
}
// LRUCache uses Gob encoding. Unfortunately, Gob is fickle and will fail
// to encode or decode any non-primitive types that haven't been "registered"
// with it. Since we store cacheUrl objects, we need to register them here first
// for the encoding/decoding to work
var urlobj cacheUrl
gob.Register(urlobj)
// try to load and then periodically save the affinity cache to file, if specified
if cacheFile != "" {
err := registry.affinity.LoadItemsFromFile(cacheFile)
if err != nil {
registry.Error("Failed to load affinity cache %s: %v", cacheFile, err)
}
registry.SaveCacheThread(cacheFile, cacheSaveInterval)
} else {
registry.Info("No affinity cache specified")
}
return registry
}
func NewTunnelRegistry(cacheSize uint64, cacheFile string) *TunnelRegistry {
manager := &TunnelRegistry{
tunnels: make(map[string]*Tunnel),
affinity: cache.NewLRUCache(cacheSize),
}
if cacheFile != "" {
// load cache entries from file
manager.affinity.LoadItemsFromFile(cacheFile)
// save cache periodically to file
manager.SaveCacheThread(cacheFile, cacheSaveInterval)
}
return manager
}