/**
* Called to disconnect a user (eventually remove the reserved {@link Room}) when one of the
* conference legs are cut, i.e. a WebSocket connection is closed
*/
public static void disconnect(String token) {
if (token != null) {
String[] values = token.split("/");
String room_key = values[0];
String user = values[1];
logger.info("Removing user " + user + " from room " + room_key);
Room room = Room.get_by_key_name(room_key);
if (room != null && room.has_user(user)) {
String other_user = room.get_other_user(user);
room.remove_user(user);
logger.info("Room " + room_key + " has state " + room.toString());
if (other_user != null) {
SignalingWebSocket.send(Helper.make_token(room, other_user), "{'type':'bye'}");
logger.info("Sent BYE to " + other_user);
} else {
room.delete();
}
} else logger.warning("Unknown room " + room_key);
}
}
/**
* Renders the main page. When this page is shown, we create a new channel to push asynchronous
* updates to the client.
*/
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
// String PATH = req.getContextPath().replace("/", "");
String query = req.getQueryString();
System.out.println("Consulta " + query);
if (query == null) {
String redirect = "/" + PATH + "/?r=" + Helper.generate_random(16);
logger.info(
"Sin consulta (query Room) -> Redirigiendo al visitante de la base URL a " + redirect);
resp.sendRedirect(redirect);
return;
}
Map<String, String> params = Helper.get_query_map(query);
String room_key = Helper.sanitize(params.get("r"));
// String debug = params.get("debug");
if (room_key == null || room_key.equals("")) {
room_key = Helper.generate_random(16);
String redirect = "/" + PATH + "/?r=" + room_key;
logger.info("Sin habitacion (room key) -> Redirigiendo al usuario de base URL a " + redirect);
resp.sendRedirect(redirect);
return;
} else {
String user = null;
int initiator = 0;
Room room = Room.get_by_key_name(room_key);
if (room == null) {
user = Helper.generate_random(16);
room = new Room(room_key);
room.add_user(user);
initiator = 0;
logger.info("Nueva habitacion " + room_key);
} else if (room != null && room.get_occupancy() == 1) {
user = Helper.generate_random(16);
room.add_user(user);
initiator = 1;
logger.info("Habitacion " + room_key + " con 1 usuario, anadiendo a otro usuario: " + user);
} else {
Map<String, String> template_values = new HashMap<String, String>();
template_values.put("room_key", room_key);
resp.setContentType("text/html");
String filepath = getServletContext().getRealPath("webrtc/full.jtpl");
File file = new File(filepath);
resp.getWriter().print(Helper.generatePage(file, template_values));
logger.info("Habitacion " + room_key + " con 2 usuarios (completo).");
return;
}
String server_name = req.getServerName();
int server_port = req.getServerPort();
// int server_port = 8080;
String room_link =
"http://" + server_name + ":" + server_port + "/" + PATH + "/?r=" + room_key;
// String stun_server = "";
String username = "******";
setToken(Helper.make_token(room_key, user));
setRoomKey(room_key);
String pc_config = Helper.make_pc_config("");
Map<String, String> template_values = new HashMap<String, String>();
template_values.put("server_name", server_name);
template_values.put("server_port", server_port + "");
template_values.put("PATH", PATH);
template_values.put("token", token);
template_values.put("me", user);
template_values.put("username", username);
template_values.put("room_key", room_key);
template_values.put("room_link", room_link);
template_values.put("initiator", "" + initiator);
template_values.put("pc_config", pc_config);
resp.setContentType("text/html");
File file = new File(getServletContext().getRealPath("webrtc/index.jtpl"));
resp.getWriter().println(Helper.generatePage(file, template_values));
logger.info("Usuario " + user + " anadido a la habitacion " + room_key);
logger.info("La habitacion " + room_key + " tiene el estado " + room);
resp.setStatus(HttpServletResponse.SC_OK);
}
}