this really doesn't work very well... apache doesn't 'say' shit. i am going to try somethting else tomorrow...
On Oct 15, 8:31 pm, truthtrap <[email protected]> wrote: > i have sort of a fix. if there is no service 'on the other end' we > will never ever receive an EOL. so the following code will work, if we > assume that services always start by saying something, followed by an > newline. (i don't know any regular examples that don't start by saying > hi.) > > it is not so pretty, but i have no clue how to bypass this 3G > glitch... > > try { > InetAddress address = InetAddress.getByName(dns); > > SocketAddress endpoint = new InetSocketAddress(address, port); > s.connect(endpoint, 1000); > > final BufferedReader in = new BufferedReader(new InputStreamReader( > s.getInputStream())); > > // because on my G1 3G is weird (it always sets up a connection to > // everything) we need to talk through the connection. but the > // readLine is blocking, and we don't want that either. using > // 'special magic' like future and executors we can let the readline > // timeout after 500 milliseconds... (i hope) > Future<String> future = executor.submit(new Callable<String>() { > public String call() { > try { > return in.readLine(); > } catch (IOException e) { > return null; > } > } > }); > > try { > input = future.get(500, TimeUnit.MILLISECONDS); > } catch (InterruptedException e) { > } catch (TimeoutException e) { > } catch (ExecutionException e) { > } > > in.close(); > s.close(); > > if (input == null) { > return false; > } else { > return true; > } > > } catch (UnknownHostException e) { > return false; > } catch (IOException e) { > return false; > } > > On Oct 14, 10:30 am, truthtrap <[email protected]> wrote: > > > guys and girls, > > > i am trying to test the availability of a service with a socket. the > > code is quite simple > > try { > > InetAddress address = InetAddress.getByName(dns); > > s = new Socket(); > > try { > > SocketAddress endpoint = new > > InetSocketAddress(address, port); > > s.connect(endpoint, 1000); > > s.close(); > > > return true; > > } catch (IOException e) { > > return false; > > } > > } catch (UnknownHostException e) { > > return false; > > } > > > it works in the emulator and i thought everything was ok. but it does > > not work on my device (ADP with 1.6.) actually it does work, but not > > with 3G. > > > the socket.connect blocks when the device is in wifi mode, as > > expected. but when on 3G it just continues, as if a connection has > > been made. > > > (the tested case is port 80 on an amazon ec2 instance.) > > > can anyone either tell me why this happens so i can fix. or perhaps > > there is an alternative to testing service connections for > > availability. > > > thanks, > > jurg. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
