1 files changed, 101 insertions, 0 deletions
diff --git a/cmd/v5test/main.go b/cmd/v5test/main.go
new file mode 100644
index 000000000..1daff56f8
--- /dev/null
+++ b/cmd/v5test/main.go
@@ -0,0 +1,101 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+// bootnode runs a bootstrap node for the Ethereum Discovery Protocol.
+package main
+
+import (
+	"flag"
+	"fmt"
+	"math/rand"
+	"strconv"
+	"time"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/p2p/discv5"
+	"github.com/ethereum/go-ethereum/p2p/nat"
+)
+
+func main() {
+	var (
+		listenPort = flag.Int("addr", 31000, "beginning of listening port range")
+		natdesc    = flag.String("nat", "none", "port mapping mechanism (any|none|upnp|pmp|extip:<IP>)")
+		count      = flag.Int("count", 1, "number of v5 topic discovery test nodes (adds default bootnodes to form a test network)")
+		regtopic   = flag.String("reg", "", "topic to register on the network")
+		looktopic  = flag.String("search", "", "topic to search on the network")
+	)
+	flag.Var(glog.GetVerbosity(), "verbosity", "log verbosity (0-9)")
+	flag.Var(glog.GetVModule(), "vmodule", "log verbosity pattern")
+	glog.SetToStderr(true)
+	flag.Parse()
+
+	natm, err := nat.Parse(*natdesc)
+	if err != nil {
+		utils.Fatalf("-nat: %v", err)
+	}
+
+	for i := 0; i < *count; i++ {
+		listenAddr := ":" + strconv.Itoa(*listenPort+i)
+
+		nodeKey, err := crypto.GenerateKey()
+		if err != nil {
+			utils.Fatalf("could not generate key: %v", err)
+		}
+
+		if net, err := discv5.ListenUDP(nodeKey, listenAddr, natm, ""); err != nil {
+			utils.Fatalf("%v", err)
+		} else {
+			if err := net.SetFallbackNodes(discv5.BootNodes); err != nil {
+				utils.Fatalf("%v", err)
+			}
+			go func() {
+				if *looktopic == "" {
+					for i := 0; i < 20; i++ {
+						time.Sleep(time.Millisecond * time.Duration(2000+rand.Intn(2001)))
+						net.BucketFill()
+					}
+				}
+				switch {
+				case *regtopic != "":
+					// register topic
+					fmt.Println("Starting topic register")
+					stop := make(chan struct{})
+					net.RegisterTopic(discv5.Topic(*regtopic), stop)
+				case *looktopic != "":
+					// search topic
+					fmt.Println("Starting topic search")
+					stop := make(chan struct{})
+					found := make(chan string, 100)
+					go net.SearchTopic(discv5.Topic(*looktopic), stop, found)
+					for s := range found {
+						fmt.Println(time.Now(), s)
+					}
+				default:
+					// just keep doing lookups
+					for {
+						time.Sleep(time.Millisecond * time.Duration(40000+rand.Intn(40001)))
+						net.BucketFill()
+					}
+				}
+			}()
+		}
+		fmt.Printf("Started test node #%d with public key %v\n", i, discv5.PubkeyID(&nodeKey.PublicKey))
+	}
+
+	select {}
+}