func createNodeId() pastry.NodeID {
hostname, _ := os.Hostname()
name := fmt.Sprintf("%d %d", port, port) + "on host:" + hostname
debug.Debugf("%s\n", name)
id, e := pastry.NodeIDFromBytes([]byte(name))
if e != nil {
panic(e)
}
return id
}
func main() {
id := createNodeId()
self := pastry.NewNode(id, "localhost", "12.43.34.11", "home", port)
credentials := pastry.Passphrase("we are here")
cluster := pastry.NewCluster(self, credentials)
app := &app{}
cluster.RegisterCallback(app)
switch port {
case 1091:
cluster.SetColor("blue")
case 1092:
cluster.SetColor("green")
}
go startListener(cluster)
go func() {
ticker := time.NewTicker(time.Second * 10)
for _ = range ticker.C {
debug.Debugf("%s", cluster.LRM())
}
}()
if port != 1090 {
if err := cluster.Join("localhost", 1090); err != nil {
panic(err)
}
}
reader := bufio.NewReader(os.Stdin)
for {
fmt.Printf("key to route> ")
text, err := reader.ReadString('\n')
if err != nil {
fmt.Println(err)
return
}
text = text[:len(text)-1] // strip EOL
if text == "" {
continue
}
if text == "exit" {
cluster.Stop()
break
}
key, err := pastry.NodeIDFromBytes([]byte(text))
if err != nil {
fmt.Printf("shit: %s\n", err)
continue
}
fmt.Printf("Your key: %s\n", key)
msg := cluster.NewMessage(byte(19), key, []byte("we are here"))
err = cluster.Send(msg)
if err != nil {
println(err)
}
}
}
func (this *app) OnHeartbeat(node pastry.Node) {
debug.Debugf("%+v", node)
}
func (this *app) OnNodeExit(node pastry.Node) {
debug.Debugf("%+v", node)
}
func (this *app) OnNewLeaves(leafset []*pastry.Node) {
debug.Debugf("%+v", leafset[0])
}
func (this *app) OnForward(msg *pastry.Message, nextId pastry.NodeID) bool {
debug.Debugf("forward to %s for %s", nextId.String(), msg.String())
return true
}
func (this *app) OnDeliver(msg pastry.Message) {
// msg sent out to cluster
debug.Debugf("%s", msg.String())
}
func (this *app) OnError(err error) {
debug.Debugf("%s", err)
}