private void RepairGameAsync()
{
//This value is filled with either a path to the last downloaded file, or with an exception message
//this message is used in the main UI to determine how it responds to a failed download.
string repairMetadata = "";
try
{
//check all local file MD5s against latest manifest. Resume partial files, download broken files.
FTPHandler FTP = new FTPHandler();
//bind event handlers
FTP.FileProgressChanged += OnDownloadProgressChanged;
//first, verify that the manifest is correct.
string LocalManifestHash = MD5Handler.GetFileHash(File.OpenRead(ConfigHandler.GetManifestPath()));
string RemoteManifestHash = FTP.GetRemoteManifestChecksum();
//if it is not, download a new copy.
if (!(LocalManifestHash == RemoteManifestHash))
{
LauncherHandler Launcher = new LauncherHandler();
Launcher.DownloadManifest();
}
//then, begin repairing the game
ManifestHandler manifestHandler = new ManifestHandler();
List <ManifestEntry> Manifest = manifestHandler.Manifest;
ProgressArgs.TotalFiles = Manifest.Count;
int i = 0;
foreach (ManifestEntry Entry in Manifest)
{
string RemotePath = String.Format("{0}{1}",
Config.GetGameURL(true),
Entry.RelativePath);
string LocalPath = String.Format("{0}{1}",
Config.GetGamePath(true),
Entry.RelativePath);
ProgressArgs.FileName = Path.GetFileName(LocalPath);
//make sure the directory for the file exists
Directory.CreateDirectory(Directory.GetParent(LocalPath).ToString());
if (File.Exists(LocalPath))
{
FileInfo fileInfo = new FileInfo(LocalPath);
if (fileInfo.Length != Entry.Size)
{
//Resume the download of this partial file.
OnProgressChanged();
repairMetadata = FTP.DownloadFTPFile(RemotePath, LocalPath, fileInfo.Length, false);
//Now verify the file
string localHash = MD5Handler.GetFileHash(File.OpenRead(LocalPath));
if (localHash != Entry.Hash)
{
Console.WriteLine("RepairGameAsync: Resumed file hash was invalid, downloading fresh copy from server.");
//download the file, since it was broken
OnProgressChanged();
repairMetadata = FTP.DownloadFTPFile(RemotePath, LocalPath, false);
}
}
}
else
{
//download the file, since it was missing
OnProgressChanged();
repairMetadata = FTP.DownloadFTPFile(RemotePath, LocalPath, false);
}
if (ChecksHandler.IsRunningOnUnix())
{
//if we're dealing with a file that should be executable,
string gameName = Config.GetGameName();
bool bFileIsGameExecutable = (Path.GetFileName(LocalPath).EndsWith(".exe")) || (Path.GetFileNameWithoutExtension(LocalPath) == gameName);
if (bFileIsGameExecutable)
{
//set the execute bits.
UnixHandler.MakeExecutable(LocalPath);
}
}
++i;
ProgressArgs.DownloadedFiles = i;
OnProgressChanged();
}
OnGameRepairFinished();
//clear out the event handler
FTP.FileProgressChanged -= OnDownloadProgressChanged;
}
catch (IOException ioex)
{
Console.WriteLine("IOException in RepairGameAsync(): " + ioex.Message);
DownloadFailedArgs.Result = "1";
DownloadFailedArgs.ResultType = "Repair";
DownloadFailedArgs.Metadata = repairMetadata;
OnGameRepairFailed();
}
}
/// <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);
}
}
private void InstallGameAsync()
{
//This value is filled with either a path to the last downloaded file, or with an exception message
//this message is used in the main UI to determine how it responds to a failed download.
string fileReturn = "";
try
{
FTPHandler FTP = new FTPHandler();
ManifestHandler manifestHandler = new ManifestHandler();
List <ManifestEntry> Manifest = manifestHandler.Manifest;
//create the .install file to mark that an installation has begun
//if it exists, do nothing.
ConfigHandler.CreateInstallCookie();
//raise the progress changed event by binding to the
//event in the FTP class
FTP.FileProgressChanged += OnDownloadProgressChanged;
//in order to be able to resume downloading, we check if there is an entry
//stored in the install cookie.
ManifestEntry lastDownloadedFile = null;
string installCookiePath = ConfigHandler.GetInstallCookiePath();
//attempt to parse whatever is inside the install cookie
if (ManifestEntry.TryParse(File.ReadAllText(installCookiePath), out lastDownloadedFile))
{
//loop through all the entries in the manifest until we encounter
//an entry which matches the one in the install cookie
foreach (ManifestEntry Entry in Manifest)
{
if (lastDownloadedFile == Entry)
{
//remove all entries before the one we were last at.
Manifest.RemoveRange(0, Manifest.IndexOf(Entry));
}
}
}
//then, start downloading the entries that remain in the manifest.
foreach (ManifestEntry Entry in Manifest)
{
string RemotePath = String.Format("{0}{1}",
Config.GetGameURL(true),
Entry.RelativePath);
string LocalPath = String.Format("{0}{1}{2}",
Config.GetGamePath(true),
System.IO.Path.DirectorySeparatorChar,
Entry.RelativePath);
//make sure we have a game directory to put files in
Directory.CreateDirectory(Path.GetDirectoryName(LocalPath));
//write the current file progress to the install cookie
TextWriter textWriterProgress = new StreamWriter(ConfigHandler.GetInstallCookiePath());
textWriterProgress.WriteLine(Entry.ToString());
textWriterProgress.Close();
if (File.Exists(LocalPath))
{
FileInfo fileInfo = new FileInfo(LocalPath);
if (fileInfo.Length != Entry.Size)
{
//Resume the download of this partial file.
OnProgressChanged();
fileReturn = FTP.DownloadFTPFile(RemotePath, LocalPath, fileInfo.Length, false);
//Now verify the file
string localHash = MD5Handler.GetFileHash(File.OpenRead(LocalPath));
if (localHash != Entry.Hash)
{
Console.WriteLine("InstallGameAsync: Resumed file hash was invalid, downloading fresh copy from server.");
OnProgressChanged();
fileReturn = FTP.DownloadFTPFile(RemotePath, LocalPath, false);
}
}
}
else
{
//no file, download it
OnProgressChanged();
fileReturn = FTP.DownloadFTPFile(RemotePath, LocalPath, false);
}
if (ChecksHandler.IsRunningOnUnix())
{
//if we're dealing with a file that should be executable,
string gameName = Config.GetGameName();
bool bFileIsGameExecutable = (Path.GetFileName(LocalPath).EndsWith(".exe")) || (Path.GetFileNameWithoutExtension(LocalPath) == gameName);
if (bFileIsGameExecutable)
{
//set the execute bits
UnixHandler.MakeExecutable(LocalPath);
}
}
}
//we've finished the download, so empty the cookie
File.WriteAllText(ConfigHandler.GetInstallCookiePath(), String.Empty);
//raise the finished event
OnGameDownloadFinished();
//clear out the event handler
FTP.FileProgressChanged -= OnDownloadProgressChanged;
}
catch (IOException ioex)
{
Console.WriteLine("IOException in InstallGameAsync(): " + ioex.Message);
DownloadFailedArgs.Result = "1";
DownloadFailedArgs.ResultType = "Install";
DownloadFinishedArgs.Metadata = fileReturn;
OnGameDownloadFailed();
}
}
