Exemple #1
0
        /// <summary>
        /// Run a very simple server.
        /// </summary>
        private void RunServer()
        {
            try
            {
                Log.I("SimpleHttpServer", "Creating server socket");
                var serverSocket = new ServerSocket(PORT);
                var requestCount = 0;
                try
                {
                    while (!stop)
                    {
                        Log.I("SimpleHttpServer", "Waiting for connection");
                        var socket = serverSocket.Accept();

                        var input = new BufferedReader(new InputStreamReader(socket.GetInputStream()));
                        var output = new BufferedWriter(new OutputStreamWriter(socket.GetOutputStream()));

                        string line;
                        Log.I("SimpleHttpServer", "Reading request");
                        while ((line = input.ReadLine()) != null)
                        {
                            Log.I("SimpleHttpServer", "Received: " + line);
                            if (line.Length == 0)
                                break;
                        }

                        Log.I("SimpleHttpServer", "Sending response");
                        output.Write("HTTP/1.1 200 OK\r\n");
                        output.Write("\r\n");
                        output.Write(string.Format("Hello world {0}\r\n", requestCount));
                        output.Flush();

                        socket.Close();
                        requestCount++;
                    }
                }
                finally
                {
                    serverSocket.Close();
                }
            }
            catch (Exception ex)
            {
                Log.E("SimpleHttpServer", "Connection error", ex);
            }
        }
        public void OnConnectionInfoAvailable(WifiP2pInfo info)
        {
            if (_progressDialog != null && _progressDialog.IsShowing)
                _progressDialog.Dismiss();

            _info = info;

            View.Visibility = ViewStates.Visible;
            
            // The owner IP is now known.
            var view = _contentView.FindViewById<TextView>(Resource.Id.group_owner);
            view.Text = Resources.GetString(Resource.String.group_owner_text)
                    + ((info.IsGroupOwner) ? Resources.GetString(Resource.String.yes)
                            : Resources.GetString(Resource.String.no));

            // InetAddress from WifiP2pInfo struct.
            view = _contentView.FindViewById<TextView>(Resource.Id.device_info);
            view.Text = "Group Owner IP - " + _info.GroupOwnerAddress.HostAddress;

            // After the group negotiation, we assign the group owner as the file
            // server. The file server is single threaded, single connection server
            // socket.
            if (_info.GroupFormed && _info.IsGroupOwner)
            {
                Task.Factory.StartNew(() =>
                    {
                        try
                        {
                            var serverSocket = new ServerSocket(8988);
                            Log.Debug(WiFiDirectActivity.Tag, "Server: Socket opened");
                            var client = serverSocket.Accept();
                            Log.Debug(WiFiDirectActivity.Tag, "Server: connection done");
                            var f = new File(Environment.ExternalStorageDirectory + "/"
                                             + Activity.PackageName + "/wifip2pshared-" + DateTime.Now.Ticks + ".jpg");
                            var dirs = new File(f.Parent);
                            if (!dirs.Exists())
                                dirs.Mkdirs();
                            f.CreateNewFile();

                            Log.Debug(WiFiDirectActivity.Tag, "Server: copying files " + f);
                            var inputStream = client.InputStream;
                            CopyFile(inputStream, new FileStream(f.ToString(), FileMode.OpenOrCreate));
                            serverSocket.Close();
                            return f.AbsolutePath;
                        }
                        catch (IOException e)
                        {
                            Log.Error(WiFiDirectActivity.Tag, e.Message);
                            return null;
                        }
                    })
                    .ContinueWith(result =>
                    {
                        if (result != null)
                        {
                            _contentView.FindViewById<TextView>(Resource.Id.status_text).Text = "File copied - " +
                                                                                                result.Result;
                            var intent = new Intent();
                            intent.SetAction(Intent.ActionView);
                            intent.SetDataAndType(Android.Net.Uri.Parse("file://" + result.Result), "image/*");
                            Activity.StartActivity(intent);
                        }
                    });
            }
            else if (_info.GroupFormed)
            {
                _contentView.FindViewById<Button>(Resource.Id.btn_start_client).Visibility = ViewStates.Visible;
                _contentView.FindViewById<TextView>(Resource.Id.status_text).Text =
                    Resources.GetString(Resource.String.client_text);
            }

            _contentView.FindViewById<Button>(Resource.Id.btn_connect).Visibility = ViewStates.Gone;
        }