public ResultsDisplayForm(StressTestIncomingResults results, StressTestOutgoingConfiguration configurations, StressTestSettings settings)
{
this.results = results;
this.clientConfigurations = configurations;
this.settings = settings;
InitializeComponent();
}
private void saveConfig_Click(object sender, EventArgs e)
{
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = "Json files (*.json)|*.json";
saveDialog.Title = "Save Configuration";
saveDialog.ShowDialog();
if (saveDialog.FileName != "")
{
FileStream fs = (FileStream)saveDialog.OpenFile();
var options = new JsonSerializerOptions
{
WriteIndented = true,
};
StressTestOutgoingConfiguration config = new StressTestOutgoingConfiguration {
GracePeriodSeconds = this.gracePeriodSeconds, Clients = this.clientConfigurations
};
string serializedConfiguration = JsonSerializer.Serialize(config, options);
byte[] bytes = Encoding.UTF8.GetBytes(serializedConfiguration);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
}
}
private void ShowResultsWindow(StressTestIncomingResults results, StressTestOutgoingConfiguration configuration, StressTestSettings settings)
{
ResultsDisplayForm resultForm = new ResultsDisplayForm(results, configuration, settings);
resultForm.Show();
this.Hide();
}
// TODO: This validation could likely be heavily cleaned up, I'm just not very familiar with .NET and did this quickly...
private void startStressTest_Click(object sender, EventArgs e)
{
// Fetches and validates each input in the form
string brokerHost = brokerIpAddrInput.Text;
int brokerPort;
try
{
brokerPort = Int32.Parse(brokerPortInput.Text);
}
catch (Exception)
{
MessageBox.Show("Invalid port number supplied. Please try again.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// Establishes a new MQTT client on the given host name and port
try
{
// Moved the below two lines into the try-catch statement in order to fix invalid string input in IP address field
client = new MqttClient(brokerHost, brokerPort, false, null, null, MqttSslProtocols.None);
string clientId = "stress_test/ui";
client.Connect(clientId);
client.MqttMsgPublishReceived += onMessageReceived;
client.Subscribe(new string[] { "stress_test/results" }, new byte[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE });
}
catch (Exception)
{
MessageBox.Show("Connection could not be established. Please check your inputs and try again.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
StressTestOutgoingConfiguration config = new StressTestOutgoingConfiguration {
GracePeriodSeconds = this.gracePeriodSeconds, Clients = this.clientConfigurations
};
string serializedConfiguration = JsonSerializer.Serialize(config);
// Send a packet to the broker supplying all the arguments for starting a stress test
client.Publish("stress_test/start", Encoding.UTF8.GetBytes(serializedConfiguration));
HideAllControls();
loadingPanel.Visible = true;
StartLoadingTimer();
}
private void loadConfig_Click(object sender, EventArgs e)
{
OpenFileDialog openDialog = new OpenFileDialog();
openDialog.Filter = "Json files (*.json)|*.json";
openDialog.Title = "Load Configuration";
if (openDialog.ShowDialog() == DialogResult.OK)
{
try
{
Stream stream;
if ((stream = openDialog.OpenFile()) != null)
{
using (stream)
{
StreamReader reader = new StreamReader(stream);
string line;
string totalJsonStr = "";
while ((line = reader.ReadLine()) != null)
{
totalJsonStr += line;
}
Console.WriteLine(totalJsonStr);
StressTestOutgoingConfiguration config = JsonSerializer.Deserialize <StressTestOutgoingConfiguration>(totalJsonStr);
gracePeriodSeconds = config.GracePeriodSeconds;
clientConfigurations = config.Clients;
OnLoadConfigFile();
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message);
}
}
}
/// <summary>
/// When returned to from the ResultsDisplayForm, populates the fields based off of the previously given data.
/// </summary>
/// <param name="settings">Base settings (i.e. broker IP, broker port, number of clients, grace period)</param>
/// <param name="resultClientConfigurations">Client configurations (packet rate, duration, etc.)</param>
public void GrabResultSettings(StressTestSettings settings, StressTestOutgoingConfiguration resultClientConfigurations)
{
// Sets field texts accordingly
brokerIpAddrInput.Text = settings.BrokerHost;
brokerPortInput.Text = settings.BrokerPort.ToString();
numClients.Value = settings.NumClients;
gracePeriod.Value = settings.GracePeriod;
// Updates this clientConfigurations files with the clients from the ResultsDisplayForm
clientConfigurations = resultClientConfigurations.Clients;
// Clears out current comboBox
clientSelection.Items.Clear();
// Updates combobox values to be accurate to the newly populated clientConfigurations amounts
for (int i = 1; i <= clientConfigurations.Count; i++)
{
clientSelection.Items.Add($"Client {i}");
}
// Sets default index to 0 for good measure.
clientSelection.SelectedIndex = 0;
}
