mirror of
https://github.com/v2fly/v2ray-core.git
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ceb77ac8f5
clearer logging for expectIPs refactor dns init code optimal to default port logic clear message exit if doh met error
57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
// +build !confonly
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package dns
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import (
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"context"
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"v2ray.com/core/common/net"
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"v2ray.com/core/features/dns/localdns"
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)
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// IPOption is an object for IP query options.
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type IPOption struct {
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IPv4Enable bool
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IPv6Enable bool
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}
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// Client is the interface for DNS client.
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type Client interface {
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// Name of the Client.
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Name() string
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// QueryIP sends IP queries to its configured server.
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QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error)
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}
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type localNameServer struct {
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client *localdns.Client
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}
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func (s *localNameServer) QueryIP(ctx context.Context, domain string, option IPOption) ([]net.IP, error) {
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if option.IPv4Enable && option.IPv6Enable {
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return s.client.LookupIP(domain)
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}
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if option.IPv4Enable {
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return s.client.LookupIPv4(domain)
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}
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if option.IPv6Enable {
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return s.client.LookupIPv6(domain)
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}
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return nil, newError("neither IPv4 nor IPv6 is enabled")
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}
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func (s *localNameServer) Name() string {
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return "localhost"
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}
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func NewLocalNameServer() *localNameServer {
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newError("DNS: created localhost client").AtInfo().WriteToLog()
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return &localNameServer{
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client: localdns.New(),
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}
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}
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