func (c *pingCommand) Run() error {
app, err := server.New(clibazil.Bazil.Config.DataDir.String())
if err != nil {
return err
}
defer app.Close()
pub := (*[ed25519.PublicKeySize]byte)(&c.Arguments.Pub)
auth := &grpcedtls.Authenticator{
Config: app.GetTLSConfig,
PeerPub: pub,
}
addr := c.Arguments.Addr
conn, err := grpc.Dial(addr, grpc.WithTransportCredentials(auth))
if err != nil {
return fmt.Errorf("did not connect: %v", err)
}
defer conn.Close()
client := wire.NewPeerClient(conn)
r, err := client.Ping(context.Background(), &wire.PingRequest{})
if err != nil {
return fmt.Errorf("could not greet: %v", err)
}
log.Printf("pong: %#v", r)
return nil
}
func (app *App) DialPeer(pub *peer.PublicKey) (PeerClient, error) {
var addr string
find := func(tx *db.Tx) error {
p, err := tx.Peers().Get(pub)
if err != nil {
return err
}
a, err := p.Locations().Get()
if err != nil {
return err
}
addr = a
return nil
}
if err := app.DB.View(find); err != nil {
return nil, err
}
auth := &grpcedtls.Authenticator{
Config: app.GetTLSConfig,
PeerPub: (*[ed25519.PublicKeySize]byte)(pub),
}
// TODO never delay here.
// https://github.com/grpc/grpc-go/blob/8ce50750fe22e967aa8b1d308b21511844674b57/clientconn.go#L85
conn, err := grpc.Dial(addr,
grpc.WithTransportCredentials(auth),
grpc.WithTimeout(30*time.Second),
)
if err != nil {
return nil, err
}
client := wirepeer.NewPeerClient(conn)
p := &peerClient{
PeerClient: client,
conn: conn,
}
return p, nil
}