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main.go
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main.go
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package main
import (
"context"
"crypto/rand"
"net"
"sync"
"github.com/aperturerobotics/bifrost/daemon"
link_holdopen_controller "github.com/aperturerobotics/bifrost/link/hold-open"
"github.com/aperturerobotics/bifrost/peer"
tptc "github.com/aperturerobotics/bifrost/transport/controller"
udptpt "github.com/aperturerobotics/bifrost/transport/udp"
"github.com/aperturerobotics/controllerbus/controller/loader"
"github.com/aperturerobotics/controllerbus/controller/resolver"
crypto "github.com/libp2p/go-libp2p/core/crypto"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
var log = logrus.New()
var le = logrus.NewEntry(log)
func init() {
log.SetLevel(logrus.DebugLevel)
}
func genPeerIdentity() (peer.ID, crypto.PrivKey) {
pk1, _, err := crypto.GenerateEd25519Key(rand.Reader)
if err != nil {
log.Fatal(err)
}
pid1, _ := peer.IDFromPrivateKey(pk1)
log.Debugf("generated peer id: %s", pid1.Pretty())
return pid1, pk1
}
func execute() error {
ctx := context.Background()
log := logrus.New()
log.SetLevel(logrus.DebugLevel)
le := logrus.NewEntry(log)
_, pk1 := genPeerIdentity()
p2, pk2 := genPeerIdentity()
d1, err := daemon.NewDaemon(ctx, pk1, daemon.ConstructOpts{
LogEntry: le,
})
if err != nil {
return errors.Wrap(err, "construct daemon 1")
}
d2, err := daemon.NewDaemon(ctx, pk2, daemon.ConstructOpts{
LogEntry: le,
})
if err != nil {
return errors.Wrap(err, "construct daemon 2")
}
bus1 := d1.GetControllerBus()
bus2 := d2.GetControllerBus()
sr1 := d1.GetStaticResolver()
sr2 := d2.GetStaticResolver()
var wg sync.WaitGroup
wg.Add(2)
// Execute hold-open
sr1.AddFactory(link_holdopen_controller.NewFactory(bus1))
_, _, hr1, err := loader.WaitExecControllerRunning(
ctx,
bus1,
resolver.NewLoadControllerWithConfig(&link_holdopen_controller.Config{}),
nil,
)
if err != nil {
return err
}
defer hr1.Release()
sr2.AddFactory(link_holdopen_controller.NewFactory(bus2))
_, _, hr2, err := loader.WaitExecControllerRunning(
ctx,
bus2,
resolver.NewLoadControllerWithConfig(&link_holdopen_controller.Config{}),
nil,
)
if err != nil {
return err
}
defer hr2.Release()
// Execute the UDP transport on the first daemon.
tptc1, _, udpRef1, err := loader.WaitExecControllerRunning(
ctx,
bus1,
resolver.NewLoadControllerWithConfig(&udptpt.Config{
ListenAddr: ":5553",
}),
nil,
)
if err != nil {
return errors.Wrap(err, "listen on udp 1")
}
defer udpRef1.Release()
le.Info("UDP listening on: :5553")
tpt1, _ := tptc1.(*tptc.Controller).GetTransport(ctx)
// Execute the UDP transport on the second daemon.
tptc2, _, udpRef2, err := loader.WaitExecControllerRunning(
ctx,
bus2,
resolver.NewLoadControllerWithConfig(&udptpt.Config{
ListenAddr: ":5554",
}),
nil,
)
if err != nil {
return errors.Wrap(err, "listen on udp 2")
}
defer udpRef2.Release()
le.Info("UDP listening on: :5554")
_, _ = tptc2.(*tptc.Controller).GetTransport(ctx)
tpt1.(*udptpt.UDP).DialPeer(ctx, p2, (&net.UDPAddr{
IP: net.IP{127, 0, 0, 1},
Port: 5554,
}).String())
<-ctx.Done()
return nil
}
func main() {
if err := execute(); err != nil {
panic(err)
}
}