// This method used to initiate start of DDT on remote machine
public static void StartDdt(ListView listview, List <Server> serversList, DdtParameters ddtparameters)
{
var selectedServers = listview.Items.Cast <ListViewItem>().Where(item => item.Checked).ToList(); // Creating list of selected servers
foreach (var server in selectedServers)
{
for (var y = 0; y < serversList.Count; y++)
{
if (server.SubItems[1].Text != serversList[y].ServerCredentials.Ip)
{
continue;
}
var index = y;
if (serversList[y].Task != null)
{
serversList[y].Cts.Cancel();
}
serversList[y].ServerGeneratorStatus = Server.GeneratorStatus.Running;
serversList[y].Cts = new CancellationTokenSource();
serversList[y].DdtParameters = ddtparameters;
serversList[y].Task = new Task(() => serversList[index].Runddt());
serversList[y].Task.Start();
}
}
}
// This method runs DDT tool with specific parameters on remote server using WMI
public static void Runddtremotely(ServerConnectionCredentials serverCreds, DdtParameters ddtParameters, CancellationToken token)
{
var remotePath = "\\\\" + serverCreds.Ip + "\\" + HelperMethods.SeparateVolumeAndFolder(ddtParameters.Filepath, HelperMethods.FilepathParts.Volume)
+ "$\\" + HelperMethods.SeparateVolumeAndFolder(ddtParameters.Filepath, HelperMethods.FilepathParts.Folder);
WmiKillDdt(serverCreds);
CopyDdTtoRemoteMachine(serverCreds);
CreateTargetDirectory(serverCreds, remotePath);
Logger.Log("Data generation started on remote server " + serverCreds.Ip, Logger.LogLevel.Info, serverCreds.Ip);
while (true)
{
if (token.IsCancellationRequested)
{
Logger.Log("DDT operation has been canceled by user", Logger.LogLevel.Info, serverCreds.Ip);
break;
}
if (!ddtParameters.FillingGeneration)
{
CleanFilepathRemotely(serverCreds, remotePath);
}
WmiRunDdt(serverCreds, ddtParameters);
Thread.Sleep(ddtParameters.Interval * 60000);
}
}
private void btn_startDDT_Click(object sender, EventArgs e)
{
var failedValidation = false;
var textBoxValidate = new List <TextBox> {
tb_Size, tb_Path, tb_Compression, tb_Interval
};
foreach (var textBox in textBoxValidate)
{
if (!string.IsNullOrWhiteSpace(textBox.Text))
{
continue;
}
errorProvider1.SetError(textBox, "Field cannot be empty");
failedValidation = true;
}
if (failedValidation)
{
return;
}
_ddtParameters = new DdtParameters()
{
Filesize = Convert.ToInt32(tb_Size.Text),
Compression = Convert.ToInt32(tb_Compression.Text),
Interval = Convert.ToInt32(tb_Interval.Text),
Filepath = tb_Path.Text,
FillingGeneration = cb_fillingGeneration.Checked
};
_ddtParameters.SerizalizeDdtParamsToFile();
// Start DDT for selected servers with specific parameters
if (cb_UseCustomCredentials.Checked)
{
DdtWrapper.StartDdt(lv_AgentsList, ServerWrapper.ServersList, _ddtParameters, tb_customUsername.Text, tb_customPassword.Text);
}
else
{
DdtWrapper.StartDdt(lv_AgentsList, ServerWrapper.ServersList, _ddtParameters);
}
// Update ListView
ServerWrapper.UpdateListView(lv_AgentsList, lbl_ChangeRateValue, lbl_totalAgentsRunningValue);
}
public static void StartDdt(ListView listview, List <Server> serversList, DdtParameters ddtparameters, string username, string password)
{
var selectedServers = listview.Items.Cast <ListViewItem>().Where(item => item.Checked).ToList(); // Creating list of selected servers
foreach (var server in selectedServers)
{
foreach (var t in serversList)
{
if (server.SubItems[1].Text != t.ServerCredentials.Ip)
{
continue;
}
t.ServerCredentials.Username = username;
t.ServerCredentials.Password = password;
}
}
StartDdt(listview, serversList, ddtparameters);
}
// This methdo starts DDT on remote machine using WMI
private static void WmiRunDdt(ServerConnectionCredentials serverCreds, DdtParameters ddtParameters)
{
var seed = new Random().Next();
object[] processToTun = { @"C:\DDT\ddt.exe op=write threads=1 filename=" + ddtParameters.Filepath + seed + " filesize=" + ddtParameters.Filesize
+ " blocksize=512 dup-percentage=" + ddtParameters.Compression + " buffering=direct io=sequential seed=" + seed + " no-ddt-hdr=yes" };
var options = new ConnectionOptions
{
Username = serverCreds.Username,
Password = serverCreds.Password
};
var scope = new ManagementScope("\\\\" + serverCreds.Ip + "\\root\\cimv2", options);
var theClass = new ManagementClass(scope, new ManagementPath("Win32_Process"), new ObjectGetOptions());
var retryCount = 0;
while (true)
{
try
{
theClass.InvokeMethod("Create", processToTun);
break;
}
catch (COMException e)
{
if (retryCount < 3)
{
retryCount++;
}
else
{
Logger.LogError("Starting DDT on remote machine failed with:", serverCreds.Ip, e);
throw;
}
}
}
}
private void GetGenParamsFromFileToGui()
{
var ddtParams = DdtParameters.DeserializeDdtParamsFromFile();
if (ddtParams != null)
{
tb_Size.Text = ddtParams.Filesize.ToString();
tb_Compression.Text = ddtParams.Compression.ToString();
tb_Path.Text = ddtParams.Filepath;
tb_Interval.Text = ddtParams.Interval.ToString();
}
var exchangeParams = ExchangeGeneratorParameters.DeserializeExchangeParamsFromFile();
if (exchangeParams != null)
{
var i = 0;
foreach (var item in cb_MailSize.Items)
{
if ((item.ToString()).Contains(_mailSizeDictionary[exchangeParams.MessageSize]))
{
cb_MailSize.SelectedIndex = i;
}
i++;
}
}
var sqlParams = SqlGeneratorParameters.DeserializeSqlParamsFromFile();
if (sqlParams == null)
{
return;
}
tb_dbName.Text = sqlParams.DbName;
tb_SQLAmountRows.Text = sqlParams.RowsToInsert.ToString();
}