added resubmit example

examples/resubmit/send_and_receive.py

@@ -0,0 +1,29 @@
+from scapy.all import *
+import sys
+import threading
+
+
+class Receiver(threading.Thread):
+    def __init__(self):
+        threading.Thread.__init__(self)
+
+    def received(self, p):
+        print "Received packet on port 3, exiting"
+        sys.exit(0)
+
+    def run(self):
+        sniff(iface="veth7", prn=lambda x: self.received(x))
+
+
+def main():
+    Receiver().start()
+
+    p = Ether(src="aa:aa:aa:aa:aa:aa") / IP(dst="10.0.1.10") / TCP() / "aaaaaaaaaaaaaaaaaaa"
+
+    print "Sending packet on port 0, listening on port 3"
+    time.sleep(1)
+    sendp(p, iface="veth1", verbose=0)
+
+
+if __name__ == '__main__':
+    main()