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78 lines
1.5 KiB
78 lines
1.5 KiB
package direct
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import (
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"context"
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"fmt"
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"strings"
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"github.com/go-kratos/kratos/pkg/conf/env"
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"github.com/go-kratos/kratos/pkg/naming"
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"github.com/go-kratos/kratos/pkg/net/rpc/warden/resolver"
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)
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const (
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// Name is the name of direct resolver
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Name = "direct"
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)
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var _ naming.Resolver = &Direct{}
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// New return Direct
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func New() *Direct {
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return &Direct{}
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}
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// Build build direct.
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func Build(id string) *Direct {
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return &Direct{id: id}
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}
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// Direct is a resolver for conneting endpoints directly.
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// example format: direct://default/192.168.1.1:8080,192.168.1.2:8081
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type Direct struct {
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id string
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}
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// Build direct build.
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func (d *Direct) Build(id string, opt ...naming.BuildOpt) naming.Resolver {
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return &Direct{id: id}
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}
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// Scheme return the Scheme of Direct
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func (d *Direct) Scheme() string {
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return Name
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}
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// Watch a tree.
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func (d *Direct) Watch() <-chan struct{} {
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ch := make(chan struct{}, 1)
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ch <- struct{}{}
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return ch
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}
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// Unwatch a tree.
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func (d *Direct) Unwatch(id string) {
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}
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//Fetch fetch isntances.
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func (d *Direct) Fetch(ctx context.Context) (res *naming.InstancesInfo, found bool) {
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var ins []*naming.Instance
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addrs := strings.Split(d.id, ",")
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for _, addr := range addrs {
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ins = append(ins, &naming.Instance{
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Addrs: []string{fmt.Sprintf("%s://%s", resolver.Scheme, addr)},
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})
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}
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if len(ins) > 0 {
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found = true
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}
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res = &naming.InstancesInfo{
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Instances: map[string][]*naming.Instance{env.Zone: ins},
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}
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return
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}
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//Close close Direct
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func (d *Direct) Close() error {
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return nil
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}
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