blob: 1fded602c5198093a212eec3c88cb34b2f444e75 [file] [log] [blame]
// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"log"
"mojo/public/go/application"
"mojo/public/go/bindings"
"mojo/public/go/system"
"mojom/vanadium/discovery"
)
//#include "mojo/public/c/system/types.h"
import "C"
type handler struct{}
func (*handler) Found(s discovery.Service) error {
log.Println("Found a new service", s)
return nil
}
func (*handler) Lost(s []uint8) error {
log.Println("Lost a new service", s)
return nil
}
type scannerDelegate struct {
id uint32
proxy *discovery.Scanner_Proxy
stub *bindings.Stub
}
func (s *scannerDelegate) Initialize(ctx application.Context) {
req, ptr := discovery.CreateMessagePipeForScanner()
ctx.ConnectToApplication("https://mojo.v.io/discovery.mojo").ConnectToService(&req)
s.proxy = discovery.NewScannerProxy(ptr, bindings.GetAsyncWaiter())
scanReq, scanPtr := discovery.CreateMessagePipeForScanHandler()
s.stub = discovery.NewScanHandlerStub(scanReq, &handler{}, bindings.GetAsyncWaiter())
id, e1, e2 := s.proxy.Scan("v.io/discovery.T", scanPtr)
if e1 != nil || e2 != nil {
log.Println("Error occurred", e1, e2)
return
}
s.id = id
go func() {
for {
if err := s.stub.ServeRequest(); err != nil {
connectionError, ok := err.(*bindings.ConnectionError)
if !ok || !connectionError.Closed() {
log.Println(err)
}
break
}
}
}()
}
func (*scannerDelegate) AcceptConnection(connection *application.Connection) {
connection.Close()
}
func (s *scannerDelegate) Quit() {
s.proxy.Stop(s.id)
s.stub.Close()
}
//export MojoMain
func MojoMain(handle C.MojoHandle) C.MojoResult {
application.Run(&scannerDelegate{}, system.MojoHandle(handle))
return C.MOJO_RESULT_OK
}
func main() {
}