private void SaveConnectionAppBarButton_Click(object sender, EventArgs e)
{
int port;
if(!IsIpAddressValid(IPTextBox.Text))
{
MessageBox.Show("Please, enter a valid IPv4 address.", "Invalid IP Address", MessageBoxButton.OK);
return;
}
if (!int.TryParse(PortTextBox.Text, out port))
{
MessageBox.Show("Please, enter a valid port number.", "Invalid Port", MessageBoxButton.OK);
return;
}
var newConnection = new ConnectionItem
{
ConnectionName = NameTextBox.Text,
IpAddress = IPTextBox.Text,
Port = port,
Username = UsernameTextBox.Text,
Password = PasswordTextBox.Text
};
App.MainVM.AddConnectionItem(newConnection);
NavigationService.GoBack();
}
public async static Task<bool> Ping(ConnectionItem connectionItem)
{
JObject requestObject = new JObject(
new JProperty("jsonrpc", "2.0"),
new JProperty("id", 234),
new JProperty("method", "JSONRPC.ping"));
string requestData = requestObject.ToString();
HttpClientHandler handler = new HttpClientHandler();
HttpClient httpClient = new HttpClient(handler);
string uriString = "http://" + connectionItem.IpAddress + ":" + connectionItem.Port.ToString() + "/jsonrpc?request=";
httpClient.BaseAddress = new Uri(uriString);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "");
request.Content = new StringContent(requestData);
request.Content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json"); //Required to be recognized as valid JSON request.
HttpResponseMessage response = await httpClient.SendAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
if (responseString.Length == 0)
return false;
dynamic responseObject = JObject.Parse(responseString);
bool isSuccessful = responseObject.result == "pong";
return isSuccessful;
}
private async Task Connect(ConnectionItem connectionItem)
{
SetPageState(PageStates.Connecting);
bool isSuccessful = await JSONRPC.Ping(connectionItem);
if (isSuccessful)
{
ConnectionManager.CurrentConnection = connectionItem;
SettingsHelper.SetValue("RecentServerIP", connectionItem.IpAddress);
NavigationService.Navigate(new Uri("/CoverPage.xaml", UriKind.Relative));
}
else
{
MessageBox.Show("Could not reach the server.", "Connection Unsuccessful", MessageBoxButton.OK);
}
SetPageState(PageStates.Ready);
}
public void UpdateConnectionItem(ConnectionItem itemToUpdate)
{
mainDB.SubmitChanges();
}
public void RemoveConnectionItem(ConnectionItem itemToRemove)
{
mainDB.ConnectionItems.DeleteOnSubmit(itemToRemove);
mainDB.SubmitChanges();
ConnectionItems.Remove(itemToRemove);
}
public void AddConnectionItem(ConnectionItem itemToAdd)
{
mainDB.ConnectionItems.InsertOnSubmit(itemToAdd);
mainDB.SubmitChanges();
ConnectionItems.Add(itemToAdd);
}
