Hey,
I am working on Ubuntu and with NS2.31. I am trying to emulate a wireless mesh network in NS2. I have written a UDP client socket program to generate UDP traffic. Presently, to start with I am trying to run my UDP socket code and my NS2 code on the same machine. If this works, I will be running the UDP socket code on another machine and try to accept traffic from there. But right now, I am unable to see the emulation results. I do not get any errors, but my terminal is blank, so is my trace file. Following is the code that I have used: set ns [new Simulator] $ns use-scheduler RealTime set file1 [open output_gentra.tr w] $ns trace-all $file1 set file2 [open output_gentra.nam w] $ns namtrace-all $file2 puts "Starting..........." proc finish {} { global ns global file1 global file2 $ns flush-trace close $file1 close $file2 $ns close channel #exec nam output.nam & exit 0 } set node0 [$ns node] set node1 [$ns node] set node2 [$ns node] set ipnetIN [new Network/IP/UDP] $ipnetIN open readonly $ipnetIN bind 127.0.0.1 1234 set aIn [new Agent/Tap] $aIn network $ipnetIN set ipnetOUT [new Network/IP/UDP] $ipnetOUT open writeonly $ipnetOUT connect 127.0.0.1 1235 set aOut [new Agent/Tap] $aOut network $ipnetOUT $ns duplex-link $node0 $node1 30kb 5ms DropTail $ns duplex-link $node1 $node2 0.1kb 5ms DropTail $ns queue-limit $node1 $node2 10 $ns attach-agent $node0 $aIn $ns attach-agent $node2 $aOut $ns connect $aIn $aOut puts "Starting..........." $ns run and my UDP client socket program is as follows: import java.net.*; import java.lang.*; import java.io.*; public class ClientUDP { static Thread t; public static class SimpleClient implements Runnable{ DatagramSocket socket; DatagramPacket packet; InetAddress address; //byte[] message = new byte[256]; int port = 1234; String s = "hdhasgdhasgd"; byte[] b = s.getBytes(); public SimpleClient(){ try{ socket = new DatagramSocket(); address = InetAddress.getByName("Sam"); packet = new DatagramPacket(b, b.length, address, port); }catch(Exception e){} } // // Send empty request // public void run(){ try{ for(int i=0; i<10000; i++){ socket.send(packet); t.sleep(1000); } }catch(Exception e){} } } public static void main(String[] args) throws Exception { try{ t = new Thread(new SimpleClient()); t.start(); }catch(Exception e){} // // Receive reply and print // /*packet = new DatagramPacket(message, message.length); socket.receive(packet); String received = new String(packet.getData(), 0); System.out.println("Received: " + received); socket.close();*/ } } Could somebody please tell me what is happening?? Sam -- View this message in context: http://www.nabble.com/NS2-wireless-network-emulation-tp16715141p16715141.html Sent from the ns-users mailing list archive at Nabble.com.