void ReadWriteWorker_Completed(object sender, RunWorkerCompletedEventArgs e)
{
Print("Read and write average latencies:");
Sampler sampler = initialConfig ? initialSampler : reconfigSampler;
Print(DemoLib.PrintReadWriteTimes(sampler));
readLatency = new List <string>();
readLatency.Add(sampler.GetSampleValue("strongLatency").ToString("F2").PadLeft(8));
readLatency.Add(sampler.GetSampleValue("causalLatency").ToString("F2").PadLeft(8));
readLatency.Add(sampler.GetSampleValue("boundedLatency").ToString("F2").PadLeft(8));
readLatency.Add(sampler.GetSampleValue("readmywritesLatency").ToString("F2").PadLeft(8));
readLatency.Add(sampler.GetSampleValue("monotonicLatency").ToString("F2").PadLeft(8));
readLatency.Add(sampler.GetSampleValue("eventualLatency").ToString("F2").PadLeft(8));
if (!readAgain)
{
readLatencyListBox.DataSource = null;
readLatencyListBox.DataSource = readLatency;
readLatencyListBox.ClearSelected();
}
else
{
readAgainLatencyListBox.DataSource = null;
readAgainLatencyListBox.DataSource = readLatency;
readAgainLatencyListBox.ClearSelected();
}
if (initialConfig)
{
DemoLib.WriteDataFile(sampler);
}
}
public Form1()
{
InitializeComponent();
consistencyChoices = new List <string> {
"strong consistency",
"causal consistency",
"bounded staleness",
"read my writes",
"monotonic freshness",
"eventual consistency"
};
consistencyListBox.DataSource = consistencyChoices;
consistencyListBox.ClearSelected();
readWriteWorker = new BackgroundWorker();
readWriteWorker.DoWork += new DoWorkEventHandler(ReadWriteWorker_DoWork);
readWriteWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(ReadWriteWorker_Completed);
Print("Running demo program...");
DemoLib.RegisterLogger(Print);
//
// Create initial configuration
//
Print("Reading configuration...");
DemoLib.Initialize();
Print(DemoLib.PrintCurrentConfiguration());
// Read sample data from file
Print("Reading file data...");
initialSampler = DemoLib.NewSampler();
reconfigSampler = DemoLib.NewSampler();
DemoLib.ReadDataFile(initialSampler);
Print(DemoLib.PrintReadWriteTimes(initialSampler));
// Ping servers to measure and record round-trip times in the server state
Print("Pinging servers...");
DemoLib.PingAllServers();
Print("Round-trip latencies to sites:");
Print(DemoLib.PrintServerRTTs());
}