/// <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;
}