how to get connected client ip address?

> wat do u mean by accepted socket?

ServerSocket ss = new ServerSocket(...);

Socket s = ss.accept(); // s is the ACCEPTED socket

s.getInetAddress();//called on socket not server socket

But I do get the feeling your code may have alot of other problems. Call it a hunch.

cotton.ma at 2007-7-12 19:57:40 >

> y do u think my code will hav many prob? yes, i

> still in learning level..

>

Yes. Because of that. It's to be expected.

> i want to get the IP of the client because i want to

> keep the record which data sending in is from which

> client.

>

Well. Did you get it working yet or not?

cotton.ma at 2007-7-12 19:57:40 >

> no...

>

> this can get, but it will get all client which are

> connected..

>

> InetAddress localHost =

> InetAddress.getLocalHost();

> InetAddress[] all_IPs =

> InetAddress.getAllByName(localHost.getHostName());

> for (int i=0; i<all_IPs.length; i++) {

> System.out.println("IP address = " + all_IPs);

> }

What did I say about shubooboo? He's crazy. Ignore him.

> and this will get 127.0.0.1..is not the client ip

> actually..

> Socket incoming = s.accept();

> ip=incoming.getInetAddress().toString();

>

> do u hav any idea? thanks

>

That last one works. It's returned 127.0.0.1 because YOU are connecting from localhost.

So connect from somewhere else and see what happens.

It works.

cotton.ma at 2007-7-12 19:57:40 >

> ok. thanks.. i will try later..

>

> erm, may i know 1 port can be connected by more than

> 1 client?

Yes.

A Socket is a unique tuple based on four pieces of information. The host and port on one side and the host and port on the other.

You can have multiple clients connect to the same port because one of or both of the remote port (the port on the client side) and the remote (client) address will be different.

cotton.ma at 2007-7-21 22:32:49 >

Hi plz try this code :

public ClientSoc()

{

super();

// TODO Auto-generated constructor stub

}

/**

* @param args

*/

public static void main(String[] args) throws Exception

{

// TODO Auto-generated method stub

Socket sc = new Socket("192.168.2.205",9500);

if(sc.isBound()){

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

PrintWriter pr = new PrintWriter(sc.getOutputStream());

while(true) {

String keys = br.readLine();

if(keys != null){

pr.println(keys);

pr.flush();

}

}

}

place the above code in ur client class.

place the below code in ur server class

public ServerCla()

{

super();

// TODO Auto-generated constructor stub

}

/**

* @param args

*/

public static void main(String[] args) throws Exception

{

// TODO Auto-generated method stub

ServerSocket ssc = new ServerSocket(9500);

Socket soc = ssc.accept();

if(soc.isBound()){

//BufferedReader br = new BufferedReader(new InputStream(soc.getInputStream()));

BufferedReader br = new BufferedReader(new InputStreamReader(soc.getInputStream()));

while(true){

String g = br.readLine();

if(g!=null){

System.out.println("message from client:"+g);

}

}

}

tripuranenia at 2007-7-21 22:32:49 >

PrintWriter swallows all exceptions. It's OK for log files where you don't care too much, and the console where there won't be any. It's not acceptable for network applications where you must know (a) about data not being sent and (b) liveness of the connection. Use DataOutputStream. And don't print lines to the network, send primitives or objects.

ejpa at 2007-7-21 22:32:49 >