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
1.0 KiB
Go
45 lines
1.0 KiB
Go
package registry
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import (
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"context"
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"net"
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"github.com/go-gost/core/resolver"
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)
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// resolverRegistry implements a hot-reload-safe registry for resolver.Resolver.
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type resolverRegistry struct {
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registry[resolver.Resolver]
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}
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// Register stores a Resolver under the given name.
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func (r *resolverRegistry) Register(name string, v resolver.Resolver) error {
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return r.registry.Register(name, v)
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}
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// Get returns a wrapper that delegates to the currently registered Resolver.
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// Returns nil if name is empty.
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func (r *resolverRegistry) Get(name string) resolver.Resolver {
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if name != "" {
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return &resolverWrapper{name: name, r: r}
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}
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return nil
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}
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func (r *resolverRegistry) get(name string) resolver.Resolver {
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return r.registry.Get(name)
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}
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type resolverWrapper struct {
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name string
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r *resolverRegistry
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}
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func (w *resolverWrapper) Resolve(ctx context.Context, network, host string, opts ...resolver.Option) ([]net.IP, error) {
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r := w.r.get(w.name)
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if r == nil {
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return nil, resolver.ErrInvalid
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}
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return r.Resolve(ctx, network, host, opts...)
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}
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