Files
x/admission/plugin/grpc.go
T
ginuerzh 238a0b95b7 feat: upgrade core to v0.4.0, pass network to admission, add dial options
Upgrade github.com/go-gost/core from v0.3.3 to v0.4.0, adapting to
interface changes:
- Admit(ctx, network, addr, opts) now accepts a network parameter
- Router.Dial now accepts variadic chain.DialOption, forwarded to
  the route's Dial call along with router-level options
- gRPC/HTTP admission plugins include the new Network field

Also fix two typos: ResoloverNodeOption -> ResolverNodeOption,
WithHostOpton -> WithHostOption.
2026-05-21 21:26:49 +08:00

75 lines
1.4 KiB
Go

package admission
import (
"context"
"io"
"github.com/go-gost/core/admission"
"github.com/go-gost/core/logger"
"github.com/go-gost/plugin/admission/proto"
"github.com/go-gost/x/internal/plugin"
"google.golang.org/grpc"
)
type grpcPlugin struct {
conn grpc.ClientConnInterface
client proto.AdmissionClient
log logger.Logger
}
// NewGRPCPlugin creates an Admission plugin based on gRPC.
func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) admission.Admission {
var options plugin.Options
for _, opt := range opts {
opt(&options)
}
log := logger.Default().WithFields(map[string]any{
"kind": "admission",
"admission": name,
})
conn, err := plugin.NewGRPCConn(addr, &options)
if err != nil {
log.Error(err)
}
p := &grpcPlugin{
conn: conn,
log: log,
}
if conn != nil {
p.client = proto.NewAdmissionClient(conn)
}
return p
}
func (p *grpcPlugin) Admit(ctx context.Context, network, addr string, opts ...admission.Option) bool {
if p.client == nil {
return false
}
var options admission.Options
for _, opt := range opts {
opt(&options)
}
r, err := p.client.Admit(ctx,
&proto.AdmissionRequest{
Service: options.Service,
Network: network,
Addr: addr,
})
if err != nil {
p.log.Error(err)
return false
}
return r.Ok
}
func (p *grpcPlugin) Close() error {
if closer, ok := p.conn.(io.Closer); ok {
return closer.Close()
}
return nil
}