139 lines
2.9 KiB
Go
139 lines
2.9 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dfnet
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import (
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"encoding/json"
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"github.com/pkg/errors"
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"gopkg.in/yaml.v3"
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)
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type NetworkType string
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const (
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TCP NetworkType = "tcp"
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UNIX NetworkType = "unix"
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)
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type NetAddr struct {
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Type NetworkType `mapstructure:"type" yaml:"type"`
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// see https://github.com/grpc/grpc/blob/master/doc/naming.md
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Addr string `mapstructure:"addr" yaml:"addr"`
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}
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func (n NetAddr) GetEndpoint() string {
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switch n.Type {
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case UNIX:
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return "unix://" + n.Addr
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default:
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return "dns:///" + n.Addr
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}
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}
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func (n NetAddr) String() string {
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return n.GetEndpoint()
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}
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func (n *NetAddr) UnmarshalJSON(b []byte) error {
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var v interface{}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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switch value := v.(type) {
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case string:
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n.Type = TCP
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n.Addr = value
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return nil
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case map[string]interface{}:
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if err := n.unmarshal(json.Unmarshal, b); err != nil {
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return err
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}
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return nil
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default:
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return errors.New("invalid net addr")
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}
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}
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func (n *NetAddr) UnmarshalYAML(node *yaml.Node) error {
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switch node.Kind {
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case yaml.ScalarNode:
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var addr string
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if err := node.Decode(&addr); err != nil {
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return err
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}
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n.Type = TCP
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n.Addr = addr
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return nil
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case yaml.MappingNode:
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var m = make(map[string]interface{})
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for i := 0; i < len(node.Content); i += 2 {
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var (
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key string
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value interface{}
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)
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if err := node.Content[i].Decode(&key); err != nil {
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return err
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}
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if err := node.Content[i+1].Decode(&value); err != nil {
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return err
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}
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m[key] = value
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}
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b, err := yaml.Marshal(m)
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if err != nil {
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return err
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}
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if err := n.unmarshal(yaml.Unmarshal, b); err != nil {
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return err
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}
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return nil
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default:
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return errors.New("invalid net addr")
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}
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}
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func (n *NetAddr) unmarshal(unmarshal func(in []byte, out interface{}) (err error), b []byte) error {
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nt := struct {
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Type NetworkType `json:"type" yaml:"type"`
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Addr string `json:"addr" yaml:"addr"` // see https://github.com/grpc/grpc/blob/master/doc/naming.md
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}{}
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if err := unmarshal(b, &nt); err != nil {
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return err
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}
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n.Type = nt.Type
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n.Addr = nt.Addr
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return nil
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}
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func Convert2NetAddr(addrs []string) []NetAddr {
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netAddrs := make([]NetAddr, 0, len(addrs))
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for i := range addrs {
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netAddrs = append(netAddrs, NetAddr{
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Type: TCP,
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Addr: addrs[i],
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})
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}
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return netAddrs
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}
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