//TODO: Update this function to handle DLLs as well. May have to implement a full-blown
//manifest system here as well.
/// <summary>
/// Updates the launcher synchronously.
/// </summary>
public void UpdateLauncher()
{
try
{
FTPHandler FTP = new FTPHandler();
//crawl the server for all of the files in the /launcher/bin directory.
List <string> remotePaths = FTP.GetFilePaths(Config.GetLauncherBinariesURL(), true);
//download all of them
foreach (string path in remotePaths)
{
try
{
if (!String.IsNullOrEmpty(path))
{
string Local = String.Format("{0}launchpad{1}{2}",
ConfigHandler.GetTempDir(),
Path.DirectorySeparatorChar,
path);
string Remote = String.Format("{0}{1}",
Config.GetLauncherBinariesURL(),
path);
if (!Directory.Exists(Local))
{
Directory.CreateDirectory(Directory.GetParent(Local).ToString());
}
FTP.DownloadFTPFile(Remote, Local, false);
}
}
catch (WebException wex)
{
Console.WriteLine("WebException in UpdateLauncher(): " + wex.Message);
}
}
//TODO: Make the script copy recursively
ProcessStartInfo script = CreateUpdateScript();
Process.Start(script);
Environment.Exit(0);
}
catch (IOException ioex)
{
Console.WriteLine("IOException in UpdateLauncher(): " + ioex.Message);
}
}
/// <summary>
/// Creates the update script on disk.
/// </summary>
/// <returns>ProcessStartInfo for the update script.</returns>
private static ProcessStartInfo CreateUpdateScript()
{
try
{
//maintain the executable name if it was renamed to something other than 'Launchpad'
string fullName = Assembly.GetEntryAssembly().Location;
string executableName = Path.GetFileName(fullName); // should be "Launchpad", unless the user has renamed it
if (ChecksHandler.IsRunningOnUnix())
{
//creating a .sh script
string scriptPath = String.Format(@"{0}launchpadupdate.sh",
ConfigHandler.GetTempDir());
FileStream updateScript = File.Create(scriptPath);
TextWriter tw = new StreamWriter(updateScript);
//write commands to the script
//wait five seconds, then copy the new executable
string copyCom = String.Format("cp -rf {0} {1}",
ConfigHandler.GetTempDir() + "launchpad/*",
ConfigHandler.GetLocalDir());
string delCom = String.Format("rm -rf {0}",
ConfigHandler.GetTempDir() + "launchpad");
string dirCom = String.Format("cd {0}", ConfigHandler.GetLocalDir());
string launchCom = String.Format(@"nohup ./{0} &", executableName);
tw.WriteLine(@"#!/bin/sh");
tw.WriteLine("sleep 5");
tw.WriteLine(copyCom);
tw.WriteLine(delCom);
tw.WriteLine(dirCom);
tw.WriteLine("chmod +x " + executableName);
tw.WriteLine(launchCom);
tw.Close();
UnixHandler.MakeExecutable(scriptPath);
//Now create some ProcessStartInfo for this script
ProcessStartInfo updateShellProcess = new ProcessStartInfo();
updateShellProcess.FileName = scriptPath;
updateShellProcess.UseShellExecute = false;
updateShellProcess.RedirectStandardOutput = false;
updateShellProcess.WindowStyle = ProcessWindowStyle.Hidden;
return(updateShellProcess);
}
else
{
//creating a .bat script
string scriptPath = String.Format(@"{0}launchpadupdate.bat",
ConfigHandler.GetTempDir());
FileStream updateScript = File.Create(scriptPath);
TextWriter tw = new StreamWriter(updateScript);
//write commands to the script
//wait three seconds, then copy the new executable
tw.WriteLine(String.Format(@"timeout 3 & xcopy /e /s /y ""{0}\launchpad"" ""{1}"" && rmdir /s /q {0}\launchpad",
ConfigHandler.GetTempDir(),
ConfigHandler.GetLocalDir()));
//then start the new executable
tw.WriteLine(String.Format(@"start {0}", executableName));
tw.Close();
ProcessStartInfo updateBatchProcess = new ProcessStartInfo();
updateBatchProcess.FileName = scriptPath;
updateBatchProcess.UseShellExecute = true;
updateBatchProcess.RedirectStandardOutput = false;
updateBatchProcess.WindowStyle = ProcessWindowStyle.Hidden;
return(updateBatchProcess);
}
}
catch (IOException ioex)
{
Console.WriteLine("IOException in CreateUpdateScript(): " + ioex.Message);
return(null);
}
}
