ginuerzh
acce86c0e4
Log close errors in Unregister instead of silently discarding them. Add doc comments to all exported symbols across 20 registry files. Add comprehensive tests covering base registry, all wrapper types, hot-reload delegation, nil-fallback semantics, and global accessors.
45 lines
1013 B
Go
45 lines
1013 B
Go
package registry
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
|
|
"github.com/go-gost/core/hosts"
|
|
)
|
|
|
|
// hostsRegistry implements a hot-reload-safe registry for hosts.HostMapper.
|
|
type hostsRegistry struct {
|
|
registry[hosts.HostMapper]
|
|
}
|
|
|
|
// Register stores a HostMapper under the given name.
|
|
func (r *hostsRegistry) Register(name string, v hosts.HostMapper) error {
|
|
return r.registry.Register(name, v)
|
|
}
|
|
|
|
// Get returns a wrapper that delegates to the currently registered HostMapper.
|
|
// Returns nil if name is empty.
|
|
func (r *hostsRegistry) Get(name string) hosts.HostMapper {
|
|
if name != "" {
|
|
return &hostsWrapper{name: name, r: r}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (r *hostsRegistry) get(name string) hosts.HostMapper {
|
|
return r.registry.Get(name)
|
|
}
|
|
|
|
type hostsWrapper struct {
|
|
name string
|
|
r *hostsRegistry
|
|
}
|
|
|
|
func (w *hostsWrapper) Lookup(ctx context.Context, network, host string, opts ...hosts.Option) ([]net.IP, bool) {
|
|
v := w.r.get(w.name)
|
|
if v == nil {
|
|
return nil, false
|
|
}
|
|
return v.Lookup(ctx, network, host, opts...)
|
|
}
|