public string Create()
{
_imageProfile = ImageProfile.ReadProfile(_group.ImageProfileId);
if (_imageProfile == null)
{
return("The Image Profile Does Not Exist");
}
if (_imageProfile.Image == null)
{
return("The Image Does Not Exist");
}
var validation = Image.CheckApprovalAndChecksum(_imageProfile.Image, _userId);
if (!validation.IsValid)
{
return(validation.Message);
}
_multicastSession.Port = Port.GetNextPort();
if (_multicastSession.Port == 0)
{
return("Could Not Determine Current Port Base");
}
var dp = BLL.DistributionPoint.GetPrimaryDistributionPoint();
if (dp == null)
{
return("Could Not Find A Primary Distribution Point");
}
_multicastSession.UserId = _userId;
//End of the road for starting an on demand multicast
if (_isOnDemand)
{
_multicastSession.Name = _group.Name;
_group.Name = _multicastSession.Port.ToString();
if (!StartMulticastSender())
{
return("Could Not Start The Multicast Application");
}
else
{
return("Successfully Started Multicast " + _group.Name);
}
}
//Continue On If multicast is for a group
_multicastSession.Name = _group.Name;
_computers = Group.GetGroupMembers(_group.Id);
if (_computers.Count < 1)
{
return("The group Does Not Have Any Members");
}
if (!ActiveMulticastSession.AddActiveMulticastSession(_multicastSession))
{
return("Could Not Create Multicast Database Task. An Existing Task May Be Running.");
}
if (!CreateComputerTasks())
{
ActiveMulticastSession.Delete(_multicastSession.Id);
return("Could Not Create Computer Database Tasks. A Computer May Have An Existing Task.");
}
if (!CreatePxeFiles())
{
ActiveMulticastSession.Delete(_multicastSession.Id);
return("Could Not Create Computer Boot Files");
}
if (!CreateTaskArguments())
{
ActiveMulticastSession.Delete(_multicastSession.Id);
return("Could Not Create Computer Task Arguments");
}
if (!StartMulticastSender())
{
ActiveMulticastSession.Delete(_multicastSession.Id);
return("Could Not Start The Multicast Application");
}
foreach (var computer in _computers)
{
Utility.WakeUp(computer.Mac);
}
return("Successfully Started Multicast " + _group.Name);
}
private bool StartMulticastSender()
{
var isUnix = Environment.OSVersion.ToString().Contains("Unix");
string shell;
if (isUnix)
{
string dist = null;
var distInfo = new ProcessStartInfo
{
UseShellExecute = false,
FileName = "uname",
RedirectStandardOutput = true,
RedirectStandardError = true
};
using (var process = Process.Start(distInfo))
if (process != null)
{
dist = process.StandardOutput.ReadToEnd();
}
shell = dist != null && dist.ToLower().Contains("bsd") ? "/bin/csh" : "/bin/bash";
}
else
{
shell = "cmd.exe";
}
var processArguments = GenerateProcessArguments();
if (processArguments == null)
{
return(false);
}
var senderInfo = new ProcessStartInfo {
FileName = shell, Arguments = processArguments
};
var logPath = HttpContext.Current.Server.MapPath("~") + Path.DirectorySeparatorChar + "private" +
Path.DirectorySeparatorChar + "logs" + Path.DirectorySeparatorChar + "multicast.log";
var logText = (Environment.NewLine + DateTime.Now.ToString("MM-dd-yy hh:mm") +
" Starting Multicast Session " +
_group.Name +
" With The Following Command:" + Environment.NewLine + senderInfo.FileName +
senderInfo.Arguments
+ Environment.NewLine);
File.AppendAllText(logPath, logText);
Process sender;
try
{
sender = Process.Start(senderInfo);
}
catch (Exception ex)
{
Logger.Log(ex.ToString());
File.AppendAllText(logPath,
"Could Not Start Session " + _group.Name + " Try Pasting The Command Into A Command Prompt");
return(false);
}
Thread.Sleep(2000);
if (sender == null)
{
return(false);
}
if (sender.HasExited)
{
File.AppendAllText(logPath,
"Session " + _group.Name + " Started And Was Forced To Quit, Try Running The Command Manually");
return(false);
}
if (_isOnDemand)
{
_multicastSession.Pid = sender.Id;
_multicastSession.Name = _group.Name;
ActiveMulticastSession.AddActiveMulticastSession(_multicastSession);
}
else
{
_multicastSession.Pid = sender.Id;
ActiveMulticastSession.UpdateActiveMulticastSession(_multicastSession);
}
return(true);
}
