mirror of https://github.com/v2fly/v2ray-core.git
40 lines
896 B
Go
40 lines
896 B
Go
package dns
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import (
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"context"
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core "github.com/v2fly/v2ray-core/v4"
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"github.com/v2fly/v2ray-core/v4/common/net"
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"github.com/v2fly/v2ray-core/v4/features/dns"
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)
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type FakeDNSServer struct {
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fakeDNSEngine dns.FakeDNSEngine
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}
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func NewFakeDNSServer() *FakeDNSServer {
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return &FakeDNSServer{}
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}
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func (FakeDNSServer) Name() string {
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return "FakeDNS"
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}
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func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, _ IPOption) ([]net.IP, error) {
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if f.fakeDNSEngine == nil {
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if err := core.RequireFeatures(ctx, func(fd dns.FakeDNSEngine) {
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f.fakeDNSEngine = fd
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}); err != nil {
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return nil, newError("Unable to locate a fake DNS Engine").Base(err).AtError()
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}
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}
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ips := f.fakeDNSEngine.GetFakeIPForDomain(domain)
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netIP, err := toNetIP(ips)
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if err != nil {
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return nil, newError("Unable to convert IP to net ip").Base(err).AtError()
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}
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return netIP, nil
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}
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