func main() {
kListenStr := flag.String("l", "localhost:8000", "the address:port the kademlia instance will operate over")
htmlDirPath := flag.String("d", "/home/jch570/public_html/", "the path to the directory where html files are served. file is written out to this dir")
htmlFileName := flag.String("f", "dms.html", "filename where drymartini info will be written out")
flag.Parse()
listenStr := *kListenStr
log.Printf("dmTracker listening on:%s\n", listenStr)
var junk = "junk"
kademInst, _ := kademlia.NewKademlia(listenStr, &junk)
log.Printf("dmTracker checking querying initial core: %+v\n", coreKadems)
// commenting out, for testing just going to use localhost:8000-8004
for _, apPair := range coreKadems {
ipList, err := net.LookupIP(apPair.addr)
if err != nil {
log.Printf("error looking up addr:%s. Err:%s\n", apPair.addr, err)
}
kademlia.MakePingCall(kademInst, ipList[0], apPair.port)
}
//test should trash soon
for i := 0; i < 5; i++ {
ipList, err := net.LookupIP("localhost")
if err != nil {
log.Printf("error looking up addr\n")
}
kademlia.MakePingCall(kademInst, ipList[0], uint16(8000+i))
}
//end junk
kademlia.DoJoin(kademInst)
var contacts []kademlia.Contact
contacts = kademlia.BucketsAsArray(kademInst)
log.Printf("local buckets as array:\n %+v\n", contacts)
f, err := os.Create(*htmlDirPath + *htmlFileName)
if err != nil { //"./testoutput"); if(err!=nil){//
log.Printf("error creating file:%s\n", err)
os.Exit(1)
}
f.Write([]byte("DryMartinis found:\n"))
var c kademlia.Contact
for _, c = range contacts {
f.Write([]byte(c.AsString() + "\n"))
}
f.Write([]byte("last updated: " + time.Now().String()))
f.Close()
}
//more arguments for a later time
//remoteAddr net.IP, remotePort uint16, doPing bool
func DoJoin(dm *DryMartini) bool {
var success bool
var secToWait time.Duration = 1
dbg.Printf("drymartini.DoJoin()\n", Verbose)
success = kademlia.DoJoin(dm.KademliaInst)
if !success {
return false
}
dm.DoJoinFlag = false
dbg.Printf("doJoin in %d sec\n", Verbose, secToWait)
time.Sleep(secToWait)
//Store our contact information
//TODO
StoreContactInfo(dm)
return true
}
func main() {
var err error
var args []string
var listenStr string
var kadem *kademlia.Kademlia
var stdInReader *bufio.Reader
// By default, Go seeds its RNG with 1. This would cause every program to
// generate the same sequence of IDs.
rand.Seed(time.Now().UnixNano())
// Get the bind and connect connection strings from command-line arguments.
flag.Parse()
args = flag.Args()
if len(args) != 1 {
log.Fatal("Must be invoked with exactly one arguments!\n")
}
listenStr = args[0]
//firstPeerStr = args[1]
//log.Printf("First Peer: %s\n", firstPeerStr);
kadem, _ = kademlia.NewKademlia(listenStr, nil)
stdInReader = bufio.NewReader(os.Stdin)
//input, _ := reader.ReadString('\n')
/*
//REMOVE: part of the initial skeleton
// Confirm our server is up with a PING request and then exit.
// Your code should loop forever, reading instructions from stdin and
// printing their results to stdout. See README.txt for more details.
client, err := rpc.DialHTTP("tcp", firstPeerStr)
if err != nil {
log.Fatal("DialHTTP: ", err)
}
ping := new(kademlia.Ping)
ping.MsgID = kademlia.NewRandomID()
ping.Sender = kademlia.GetNodeContactInfo(kadem)
var pong kademlia.Pong
err = client.Call("Kademlia.Ping", ping, &pong)
if err != nil {
log.Fatal("Call: ", err)
}
log.Printf("ping msgID: %s %s\n", ping.MsgID.AsString(), ping.Sender.AsString())
log.Printf("pong msgID: %s\n", pong.MsgID.AsString())
*/
/*
//REMOVE: this is just to check if the map is working
tmpKey, _ := kademlia.FromString("abcd")
var tmpVal []byte = make([]byte, 3)
tmpVal[0] = 'f'
tmpVal[1] = 'o'
tmpVal[2] = 'o'
kadem.ValueStore.HashMap[tmpKey] = tmpVal
//~REMOVE
*/
var instStr string
var inst *KademliaInstruction
for {
fmt.Printf("δώσε:") //Print prompt
//read new instruction
//ret, err := fmt.Scanln(&instStr)
instStr, err = stdInReader.ReadString('\n')
if err != nil {
log.Printf("Error at Scanf: %s\n", err)
panic(1)
}
//parse line input and create command struct
inst = NewKademliaInstruction(instStr)
if inst.IsExit() {
log.Printf("Kademlia exiting...\n")
break
}
//execute new instruction
inst.Execute(kadem)
if kadem.DoJoinFlag {
go kademlia.DoJoin(kadem)
}
}
//finalizer()
}
