bool StartClient()
{
if (string.IsNullOrEmpty(m_CompleteWULoc))
{
throw new Exception("The wyUpdate executable path supplied is not valid. Make sure wyUpdate exists on disk.");
}
// get the unique pipe name (the last 246 chars of the complete path)
string pipeName = UpdateHelperData.PipenameFromFilename(m_CompleteWULoc);
// first try to connect to the pipe
if (!pipeClient.Connected)
{
pipeClient.Connect(pipeName);
}
if (pipeClient.Connected)
{
// request the processId
if (!RetrySend((new UpdateHelperData(UpdateAction.GetwyUpdateProcessID)).GetByteArray()))
{
throw new Exception("Failed to get the wyUpdate Process ID.");
}
return(true);
}
if (!File.Exists(m_CompleteWULoc))
{
throw new Exception("The wyUpdate executable was not found: " + m_CompleteWULoc);
}
ClientProcess = new Process
{
StartInfo =
{
FileName = m_CompleteWULoc,
// start the client in automatic update mode (a.k.a. wait mode)
Arguments = "/autoupdate",
WindowStyle = ProcessWindowStyle.Hidden
}
};
if (!string.IsNullOrEmpty(ExtraArguments))
{
ClientProcess.StartInfo.Arguments += " " + ExtraArguments;
}
ClientProcess.Start();
TryToConnectToPipe(pipeName);
return(pipeClient.Connected);
}
void StartNewSelfAndClose()
{
bool checkForClients = false;
// when this function is called in the constructor
// (i.e. before the handle for the form is created)
// then the pipeserver will not have yet been created
if (!updateHelper.RunningServer)
{
checkForClients = true;
updateHelper.StartPipeServer(this);
}
Process clientProcess = new Process
{
StartInfo =
{
FileName = newSelfLocation,
//NOTE: (Very goddamn important - change this and die)
// Arguments must have the "clear space" before the closing quote after
// baseDirectory. "Why?" you ask, because Windows is the offspring
// of a Unicorn and an Angel. Everyone knows that Angels don't
// respect backslash-quote combos.
// And Unicorns are racists.
// The non-absurd reason is that if you have a baseDirectory variable with
// a trailing slash then a quote character adjacent to this slash (i.e.
// with no space between the slash and quote) the commandline args
// get fubar-ed. A base directory with a trailing slash is valid
// input, thus the slash-space-quote combo must remain.
// start the client in automatic update mode (a.k.a. wait mode)
Arguments =
"-cdata:\"" + clientFileLoc + "\" -basedir:\"" + baseDirectory +
" \" /autoupdate /ns",
WindowStyle = ProcessWindowStyle.Hidden
}
};
clientProcess.Start();
if (checkForClients)
{
// there must be at least one client running to receive this message
int timeSpent = 0;
while (updateHelper.TotalConnectedClients == 0)
{
// if we've already waited 30 seconds, we've wait long enough
// something has gone wrong with the AutomaticUpdater control
// no point in waiting around any longer.
if (timeSpent == 30000)
{
break;
}
// wait 1/3 of a second
timeSpent += 300;
Thread.Sleep(300);
}
}
// tell all the clients that there's a new wyUpdate
updateHelper.SendNewWyUpdate(UpdateHelperData.PipenameFromFilename(newSelfLocation), clientProcess.Id);
CancelUpdate(true);
}