public static void PingAllServers()
{
List <string> allServers = config.GetServers();
Stopwatch watch = new Stopwatch();
for (int pingCount = 0; pingCount < 5; pingCount++)
{
foreach (string server in allServers)
{
CloudBlobClient blobClient = ClientRegistry.GetCloudBlobClient(server);
if (blobClient != null)
{
CloudBlobContainer blobContainer = blobClient.GetContainerReference(containerName);
//Log("Pinging " + SiteName(server) + " aka " + server + "...");
watch.Restart();
//we perform a dummy operation to get the rtt latency!
try
{
bool ok = blobContainer.Exists();
}
catch (StorageException se)
{
Log("Storage exception when pinging " + SiteName(server) + ": " + se.Message);
}
long el = watch.ElapsedMilliseconds;
ServerState ss = container.Monitor.GetServerState(server);
ss.AddRtt(el);
//Log("Pinged " + SiteName(server) + " in " + el + " milliseconds");
}
else
{
Log("Failed to ping " + SiteName(server));
}
}
}
}
private void buttonGetLatency_Click(object sender, EventArgs e)
{
ServerMonitor monitor = DemoLib.GetServerMonitor();
ReplicaConfiguration config = DemoLib.GetCurrentConfiguration();
List <string> allServers = config.GetServers();
List <string> siteNames = new List <string>();
List <string> siteLatency = new List <string>();
foreach (string server in allServers)
{
ServerState ss = monitor.GetServerState(server);
siteNames.Add(DemoLib.SiteName(server));
siteLatency.Add(ss.RTTs.FindAverage().ToString("F0").PadLeft(5));
}
listBoxLatencySites.DataSource = null;
listBoxLatencySites.DataSource = siteNames;
listBoxLatencySites.ClearSelected();
listBoxLatencyTimes.DataSource = null;
listBoxLatencyTimes.DataSource = siteLatency;
listBoxLatencyTimes.ClearSelected();
}