/**
* Adds access point with the given name
*
* @param mac the mac address given in the request
* @return a JSON response
*/
@RequestMapping(value = "/accesspoints/add", method = RequestMethod.GET)
public @ResponseBody String addAccessPoint(@RequestParam String mac) {
JsonObject json = new JsonObject();
AccessPoint newAP = new AccessPoint();
newAP.setMacAddr(mac);
try {
apService.createAccessPoint(newAP);
} catch (AccessPointAlreadyExistsException e) {
json.addProperty("success", Boolean.FALSE);
json.addProperty("exception", "Access point already exists : " + e.getMacAddr());
return json.toString();
}
json.addProperty("success", Boolean.TRUE);
return json.toString();
}
/** Send a request to every ARP entry in the ARP table to check if it is an access point */
public void lookupAccessPoints() {
String response = null;
Gson gson = new Gson();
for (Entry<String, String> arpEntry : NetworkUtils.getArpEntries().entrySet()) {
response =
NetworkUtils.sendRequest("http://" + arpEntry.getKey() + ":8888/checkRouter", 2000, 4000);
JsonObject jsonResponse = new Gson().fromJson(response, JsonObject.class);
if (!response.equals("") && jsonResponse.get("success").getAsBoolean()) {
System.out.println(arpEntry.getKey() + " is a router");
AccessPoint newAP = new AccessPoint();
newAP.setMacAddr(arpEntry.getValue());
try {
apService.createAccessPoint(newAP);
} catch (AccessPointAlreadyExistsException ex) {
}
} else {
System.out.println(arpEntry.getKey());
}
}
}
