bouncer/internal/proxy/director/options.go

72 lines
1.6 KiB
Go

package director
import (
"net/http"
"time"
"forge.cadoles.com/cadoles/bouncer/internal/cache"
"forge.cadoles.com/cadoles/bouncer/internal/cache/memory"
"forge.cadoles.com/cadoles/bouncer/internal/cache/ttl"
"forge.cadoles.com/cadoles/bouncer/internal/store"
"gitlab.com/wpetit/goweb/logger"
)
type Options struct {
Layers []Layer
ProxyCache cache.Cache[string, []*store.Proxy]
LayerCache cache.Cache[string, []*store.Layer]
HandleError HandleErrorFunc
}
type OptionFunc func(opts *Options)
func NewOptions(funcs ...OptionFunc) *Options {
opts := &Options{
Layers: make([]Layer, 0),
ProxyCache: ttl.NewCache(
memory.NewCache[string, []*store.Proxy](),
memory.NewCache[string, time.Time](),
30*time.Second,
),
LayerCache: ttl.NewCache(
memory.NewCache[string, []*store.Layer](),
memory.NewCache[string, time.Time](),
30*time.Second,
),
HandleError: func(w http.ResponseWriter, r *http.Request, status int, err error) {
logger.Error(r.Context(), err.Error(), logger.CapturedE(err))
http.Error(w, http.StatusText(status), status)
},
}
for _, fn := range funcs {
fn(opts)
}
return opts
}
func WithLayers(layers ...Layer) OptionFunc {
return func(opts *Options) {
opts.Layers = layers
}
}
func WithProxyCache(cache cache.Cache[string, []*store.Proxy]) OptionFunc {
return func(opts *Options) {
opts.ProxyCache = cache
}
}
func WithLayerCache(cache cache.Cache[string, []*store.Layer]) OptionFunc {
return func(opts *Options) {
opts.LayerCache = cache
}
}
func WithHandleErrorFunc(fn HandleErrorFunc) OptionFunc {
return func(opts *Options) {
opts.HandleError = fn
}
}