67 lines
1.2 KiB
Go
67 lines
1.2 KiB
Go
package hosts
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import (
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"context"
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"net"
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"github.com/go-gost/core/hosts"
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"github.com/go-gost/plugin/hosts/proto"
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xlogger "github.com/go-gost/x/logger"
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)
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type pluginHostMapper struct {
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client proto.HostMapperClient
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options options
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}
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// NewPluginHostMapper creates a plugin HostMapper.
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func NewPluginHostMapper(opts ...Option) hosts.HostMapper {
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var options options
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for _, opt := range opts {
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opt(&options)
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}
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if options.logger == nil {
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options.logger = xlogger.Nop()
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}
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p := &pluginHostMapper{
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options: options,
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}
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if options.client != nil {
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p.client = proto.NewHostMapperClient(options.client)
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}
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return p
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}
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func (p *pluginHostMapper) Lookup(ctx context.Context, network, host string) (ips []net.IP, ok bool) {
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p.options.logger.Debugf("lookup %s/%s", host, network)
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if p.client == nil {
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return
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}
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r, err := p.client.Lookup(ctx,
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&proto.LookupRequest{
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Network: network,
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Host: host,
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})
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if err != nil {
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p.options.logger.Error(err)
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return
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}
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for _, s := range r.Ips {
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if ip := net.ParseIP(s); ip != nil {
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ips = append(ips, ip)
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}
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}
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ok = r.Ok
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return
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}
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func (p *pluginHostMapper) Close() error {
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if p.options.client != nil {
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return p.options.client.Close()
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}
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return nil
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}
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