/// <summary>
/// Connects to the XenCenter named pipe. If the pipe didn't already exist, a new thread is started
/// that listens for incoming data on the pipe (from new invocations of XenCenter) and deals
/// with the command line arguments of those instances. If the pipe does exist, a Win32Exception is thrown.
/// </summary>
/// <exception cref="Win32Exception">If creating the pipe failed for any reason.</exception>
private static void ConnectPipe()
{
string pipe_path = string.Format(PIPE_PATH_PATTERN, Process.GetCurrentProcess().SessionId, Environment.UserName, Assembly.GetExecutingAssembly().Location.Replace('\\', '-'));
// Pipe path must be limited to 256 characters in length
if (pipe_path.Length > 256)
{
pipe_path = pipe_path.Substring(0, 256);
}
log.InfoFormat(@"Connecting to pipe '{0}'", pipe_path);
// Line below may throw Win32Exception
pipe = new NamedPipes.Pipe(pipe_path);
log.InfoFormat(@"Successfully created pipe '{0}' - proceeding to launch XenCenter", pipe_path);
pipe.Read += delegate(object sender, NamedPipes.PipeReadEventArgs e)
{
MainWindow m = MainWindow;
if (m == null || RunInAutomatedTestMode)
{
return;
}
Invoke(m, delegate
{
var bits = e.Message.Split(' ').Where(ar => ar != "--wait").ToArray();
var firstArgType = ParseFileArgs(bits, out string[] tailArgs);
if (firstArgType == ArgType.Passwords)
{
log.Error("Refusing to accept passwords request down pipe. Use XenCenterMain.exe directly");
return;
}
if (firstArgType == ArgType.Connect)
{
log.Error("Connect not supported down pipe. Use XenCenterMain.exe directly");
return;
}
if (firstArgType == ArgType.None)
{
return;
}
// The C++ splash screen passes its command line as a literal string.
// This means we will get an e.Message like
// open "C:\Documents and Settings\foo.xva"
// INCLUDING the double quotes, thus we need to trim them
m.WindowState = FormWindowState.Normal;
m.ProcessCommand(firstArgType, tailArgs[0].Trim('"'));
});
};
/// <summary>
/// Connects to the XenCenter named pipe. If the pipe didn't already exist, a new thread is started
/// that listens for incoming data on the pipe (from new invocations of XenCenter) and deals
/// with the command line arguments of those instances. If the pipe does exist, a Win32Exception is thrown.
/// </summary>
/// <exception cref="Win32Exception">If creating the pipe failed for any reason.</exception>
private static void ConnectPipe()
{
string pipe_path = string.Format(PIPE_PATH_PATTERN, Process.GetCurrentProcess().SessionId, Environment.UserName, Assembly.GetExecutingAssembly().Location.Replace('\\', '-'));
// Pipe path must be limited to 256 characters in length
if (pipe_path.Length > 256)
{
pipe_path = pipe_path.Substring(0, 256);
}
log.InfoFormat(@"Connecting to pipe '{0}'", pipe_path);
// Line below may throw Win32Exception
pipe = new NamedPipes.Pipe(pipe_path);
log.InfoFormat(@"Successfully created pipe '{0}' - proceeding to launch XenCenter", pipe_path);
pipe.Read += new EventHandler <NamedPipes.PipeReadEventArgs>(delegate(object sender, NamedPipes.PipeReadEventArgs e)
{
MainWindow m = Program.MainWindow;
if (m == null || RunInAutomatedTestMode)
{
return;
}
Program.Invoke(m, delegate
{
log.InfoFormat(@"Received data from pipe '{0}': {1}", pipe_path, e.Message);
ArgType argType = ArgType.None;
string[] other_args;
string file_arg = "";
string[] bits = e.Message.Split(new char[] { ' ' }, 3);
if (bits.Length == 2)
{
List <string> args = new List <string>();
args.Add(bits[0]);
args.Add(bits[1]);
argType = ParseFileArgs(args, out other_args);
file_arg = other_args[0];
if (argType == ArgType.Passwords)
{
log.Error("Refusing to accept passwords request down pipe. Use XenCenterMain.exe directly");
return;
}
else if (argType == ArgType.Connect)
{
log.Error("Connect not supported down pipe. Use XenCenterMain.exe directly");
return;
}
else if (argType == ArgType.None)
{
return;
}
}
else if (e.Message.Length > 0)
{
log.Error("Could not process data received from pipe.");
return;
}
m.WindowState = FormWindowState.Normal;
// Note slight hack: the C++ splash screen passes its command line as a
// literal string. This means we will get an e.Message e.g.
// open "C:\Documents and Settings\foo.xva"
// INCLUDING double quotes. Thus we trim the quotes below.
if (file_arg.Length > 1 && file_arg.StartsWith("\"") && file_arg.EndsWith("\""))
{
file_arg = file_arg.Substring(1, file_arg.Length - 2);
}
m.ProcessCommand(argType, new string[] { file_arg });
});
});
pipe.BeginRead();
// We created the pipe successfully - i.e. nobody was listening, so go ahead and start XenCenter
}
