public VellumHost(string[] args)
{
Thread _ioThread;
bool _readInput = true;
bool printHelp = false;
bool noStart = false;
string restorePath = null;
bool backupOnStartup = true;
OptionSet options = new OptionSet()
{
{ "h|help", "Displays a help screen.", v => { printHelp = v != null; } },
{ "c=|configuration=", "The configuration file to load settings from.", v => { if (!String.IsNullOrWhiteSpace(v))
{
_configPath = v.Trim();
}
} },
{ "p=|plugin-directory=", "The directory to scan for plugins.", v => { if (!String.IsNullOrWhiteSpace(v))
{
_pluginDirectory = v;
}
} },
{ "r=|restore=", "Path to an archive to restore a backup from.", v => { if (!String.IsNullOrWhiteSpace(v))
{
restorePath = Path.GetFullPath(v);
}
} },
{ "no-start", "In conjunction with the --restore flag, this tells the application to not start the server after successfully restoring a backup.", v => { noStart = v != null; } },
{ "no-backup-on-startup", "Disables the initial temporary backup on startup.", v => { backupOnStartup = v == null; } }
};
System.Collections.Generic.List <string> extraOptions = options.Parse(args);
if (printHelp)
{
System.Console.WriteLine("Overview of available parameters:");
options.WriteOptionDescriptions(Console.Out);
System.Environment.Exit(0);
}
Version bdsVersion = new Version();
if (File.Exists(_configPath))
{
// Load configuration
RunConfig = LoadConfiguration(_configPath);
string bdsDirPath = Path.GetDirectoryName(RunConfig.BdsBinPath);
string worldName = "Bedrock level";
Console.Write($"Reading \"{_serverPropertiesPath}\"... ");
using (StreamReader reader = new StreamReader(File.OpenRead(Path.Join(bdsDirPath, _serverPropertiesPath))))
worldName = Regex.Match(reader.ReadToEnd(), @"^level\-name\=(.+)", RegexOptions.Multiline).Groups[1].Value.Trim();
string worldPath = Path.Join(bdsDirPath, "worlds", worldName);
string tempWorldPath = Path.Join(Directory.GetCurrentDirectory(), TempPath, worldName);
Console.WriteLine("Done!");
if (!String.IsNullOrWhiteSpace(restorePath))
{
Console.WriteLine("\n\"--restore\" flag provided, attempting to restore backup from specified archive...");
BackupManager.Restore(restorePath, worldPath);
Console.WriteLine();
if (noStart)
{
Console.WriteLine("\"--no-start\" flag provided, exiting...");
System.Environment.Exit(0);
}
}
#region CONDITIONAL UPDATE CHECK
if (RunConfig.CheckForUpdates)
{
Console.WriteLine("Checking for updates...");
if (_updateChecker.GetLatestVersion())
{
if (_updateChecker.RemoteVersion > _localVersion)
{
Console.WriteLine("\nA new update is available!\nLocal version:\t{0}\nRemote version:\t{1}\nVisit {2} to update.\n", UpdateChecker.ParseVersion(_localVersion, VersionFormatting.MAJOR_MINOR_REVISION), UpdateChecker.ParseVersion(_updateChecker.RemoteVersion, VersionFormatting.MAJOR_MINOR_REVISION), @"https://git.io/vellum-latest");
}
}
else
{
System.Console.WriteLine("Could not check for updates.");
}
}
#endregion
if (RunConfig.Renders.EnableRenders && String.IsNullOrWhiteSpace(RunConfig.Renders.PapyrusBinPath))
{
Console.WriteLine("Disabling renders because no valid path to a Papyrus executable has been specified");
RunConfig.Renders.EnableRenders = false;
}
#region BDS process and input thread
ProcessStartInfo serverStartInfo = new ProcessStartInfo()
{
FileName = RunConfig.BdsBinPath,
WorkingDirectory = bdsDirPath
};
// Set environment variable for linux-based systems
if (System.Environment.OSVersion.Platform == PlatformID.Unix)
{
serverStartInfo.EnvironmentVariables.Add("LD_LIBRARY_PATH", bdsDirPath);
}
ProcessManager bds = new ProcessManager(serverStartInfo, new string[] {
"^(" + worldName.Trim() + @"(?>\/db)?\/)",
"^(Saving...)",
"^(A previous save has not been completed.)",
"^(Data saved. Files are now ready to be copied.)",
"^(Changes to the (level|world) are resumed.)",
"Running AutoCompaction..."
});
if (RunConfig.BdsWatchdog)
{
_bdsWatchdog = new Watchdog(bds);
_bdsWatchdog.RegisterHook((byte)Watchdog.Hook.LIMIT_REACHED, (object sender, EventArgs e) =>
{
SaveConfiguration(RunConfig, _configPath);
System.Environment.Exit(1);
});
}
// Stop BDS gracefully on unhandled exceptions
if (RunConfig.StopBdsOnException)
{
System.AppDomain.CurrentDomain.UnhandledException += (object sender, UnhandledExceptionEventArgs e) =>
{
Console.WriteLine($"Stopping BDS due to an unhandled exception from vellum...\n{e.ExceptionObject.ToString()}");
if (bds.IsRunning)
{
bds.SendInput("stop");
bds.Process.WaitForExit();
bds.Close();
}
};
}
// Input thread
_ioThread = new Thread(() =>
{
while (_readInput)
{
inStream?.Invoke(Console.ReadLine());
}
});
_ioThread.Start();
// Store current BDS version
bds.RegisterMatchHandler(CommonRegex.Version, (object sender, MatchedEventArgs e) =>
{
bdsVersion = UpdateChecker.ParseVersion(e.Matches[0].Groups[1].Value, VersionFormatting.MAJOR_MINOR_REVISION_BUILD);
});
playerCount = 0;
bool nextBackup = true;
if (RunConfig.Backups.OnActivityOnly)
{
nextBackup = false;
// Player connect/ disconnect messages
bds.RegisterMatchHandler(CommonRegex.PlayerConnected, (object sender, MatchedEventArgs e) =>
{
playerCount++;
nextBackup = true;
});
bds.RegisterMatchHandler(CommonRegex.PlayerDisconnected, (object sender, MatchedEventArgs e) =>
{
playerCount--;
});
}
#endregion
_renderManager = new RenderManager(bds, RunConfig);
_backupManager = new BackupManager(bds, RunConfig);
#region PLUGIN LOADING
if (Directory.Exists(_pluginDirectory))
{
SetPluginDirectory(_pluginDirectory);
#region INTERNAL PLUGINS
AddPlugin(bds);
AddPlugin(_backupManager);
AddPlugin(_renderManager);
if (RunConfig.BdsWatchdog)
{
AddPlugin(_bdsWatchdog);
}
#endregion
if (LoadPlugins() > 0)
{
foreach (IPlugin plugin in GetPlugins())
{
if (plugin.PluginType == PluginType.EXTERNAL)
{
Console.WriteLine($"Loaded plugin: {plugin.GetType().Name} v{UpdateChecker.ParseVersion(System.Reflection.Assembly.GetAssembly(plugin.GetType()).GetName().Version, VersionFormatting.MAJOR_MINOR_REVISION)}");
}
}
Console.WriteLine();
}
}
else
{
Directory.CreateDirectory(_pluginDirectory);
}
#endregion
// Scheduled/ interval backups
if (RunConfig.Backups.EnableBackups)
{
double interval = RunConfig.Backups.BackupInterval * 60000;
if (RunConfig.Backups.EnableSchedule)
{
if (RunConfig.Backups.Schedule.Length == 0)
{
Console.WriteLine("Scheduled backups are enabled but there are no entries in the schedule, switching to interval backups!");
}
else
{
interval = 1;
}
}
System.Timers.Timer backupIntervalTimer = new System.Timers.Timer(interval);
backupIntervalTimer.AutoReset = true;
backupIntervalTimer.Elapsed += (object sender, ElapsedEventArgs e) =>
{
if (backupIntervalTimer.Interval != 1) // This prevents performing a backup if scheduled backups are enabled and the next real time-span hasn't been determined yet
{
if (nextBackup)
{
if (RunConfig.Backups.OnActivityOnly && playerCount == 0)
{
nextBackup = false;
}
InvokeBackup(worldPath, tempWorldPath);
}
else
{
Console.WriteLine("Skipping this backup because no players were online since the last one was taken...");
}
}
};
if (RunConfig.Backups.EnableSchedule && RunConfig.Backups.Schedule.Length > 0)
{
backupIntervalTimer.Elapsed += (object sender, ElapsedEventArgs e) =>
{
// Check which entry is up next
TimeSpan nextSpan = TimeSpan.MaxValue;
foreach (string clockTime in RunConfig.Backups.Schedule)
{
// Parse & validate entry
// Match match = Regex.Match(clockTime, @"^\s*(\d{1,2})\s*:\s*(\d{1,2})\s*([aApP][mM])"); // 12h format
Match match = Regex.Match(clockTime, @"^\s*(\d{1,2})\s*:\s*(\d{1,2})\s*$"); // 24h format
bool valid = false;
int hour, minute;
if (match.Groups.Count == 3)
{
hour = Convert.ToInt32(match.Groups[1].Value);
minute = Convert.ToInt32(match.Groups[2].Value);
if ((hour >= 0 && hour <= 23) && (minute >= 0 && minute <= 59))
{
valid = true;
TimeSpan span = new TimeSpan((hour == 0 ? 24 : hour) - DateTime.Now.Hour, minute - DateTime.Now.Minute, 0 - DateTime.Now.Second);
if (span.TotalSeconds > 0 && span < nextSpan)
{
nextSpan = span;
}
}
}
if (!valid)
{
Console.WriteLine($"Invalid schedule entry \"{clockTime}\" in \"{_configPath}\"!");
}
}
// Set the new interval
Console.WriteLine($"Next scheduled backup is at {(DateTime.Now + nextSpan).ToShortTimeString()} (in {nextSpan.Days} days, {nextSpan.Hours} hours, {nextSpan.Minutes} minutes and {nextSpan.Seconds} seconds)");
backupIntervalTimer.Interval = nextSpan.TotalMilliseconds;
CallHook((byte)Hook.BACKUP_SCHEDULED, new HookEventArgs()
{
Attachment = nextSpan
});
};
}
backupIntervalTimer.Start();
bds.RegisterMatchHandler("Starting Server", (object sender, MatchedEventArgs e) =>
{
// bds.RegisterMatchHandler(CommonRegex.ServerStarted, (object sender, MatchedEventArgs e) => {
if (RunConfig.Backups.StopBeforeBackup)
{
System.Timers.Timer backupNotificationTimer = new System.Timers.Timer((RunConfig.Backups.BackupInterval * 60000) - Math.Clamp(RunConfig.Backups.NotifyBeforeStop * 1000, 0, RunConfig.Backups.BackupInterval * 60000));
backupNotificationTimer.AutoReset = false;
backupNotificationTimer.Elapsed += (object sender, ElapsedEventArgs e) =>
{
bds.SendTellraw(String.Format("Shutting down server in {0} seconds to take a backup.", RunConfig.Backups.NotifyBeforeStop));
};
backupNotificationTimer.Start();
}
});
}
// Render interval
if (RunConfig.Renders.EnableRenders)
{
System.Timers.Timer renderIntervalTimer = new System.Timers.Timer(RunConfig.Renders.RenderInterval * 60000);
renderIntervalTimer.AutoReset = true;
renderIntervalTimer.Elapsed += (object sender, ElapsedEventArgs e) =>
{
InvokeRender(worldPath, tempWorldPath);
};
renderIntervalTimer.Start();
}
if (backupOnStartup)
{
// Create initial world backup
Console.WriteLine("Creating initial temporary copy of world directory...");
_backupManager.CreateWorldBackup(worldPath, tempWorldPath, true, false); // If "StopBeforeBackup" is set to "true" this will also automatically start the server when it's done
}
// Start server in case the BackupManager hasn't started it yet
if (!bds.IsRunning)
{
bds.Start();
bds.WaitForMatch(CommonRegex.ServerStarted); // Wait until BDS successfully started
}
// Input thread
inStream = (string text) =>
{
if (RunConfig.BusyCommands || (!_backupManager.Processing && !_renderManager.Processing))
{
#region CUSTOM COMMANDS
MatchCollection cmd = Regex.Matches(text.ToLower().Trim(), @"(\S+)");
if (cmd.Count > 0)
{
bool result = false;
switch (cmd[0].Captures[0].Value)
{
case "force":
if (cmd.Count >= 3)
{
switch (cmd[1].Captures[0].Value)
{
case "start":
switch (cmd[2].Captures[0].Value)
{
case "backup":
InvokeBackup(worldPath, tempWorldPath);
result = true;
CallHook((byte)Hook.FORCE_BACKUP);
break;
case "render":
InvokeRender(worldPath, tempWorldPath);
result = true;
CallHook((byte)Hook.FORCE_RENDER);
break;
}
break;
}
}
break;
case "stop":
System.Timers.Timer shutdownTimer = new System.Timers.Timer();
shutdownTimer.AutoReset = false;
shutdownTimer.Elapsed += (object sender, ElapsedEventArgs e) =>
{
// _renderManager.Abort();
_bdsWatchdog.Disable();
bds.SendInput("stop");
bds.Process.WaitForExit();
bds.Close();
_readInput = false;
shutdownTimer.Close();
SaveConfiguration(RunConfig, _configPath);
CallHook((byte)Hook.EXIT_USER);
Console.WriteLine("vellum quit correctly");
System.Environment.Exit(0);
};
if (cmd.Count == 2 && !String.IsNullOrWhiteSpace(cmd[1].Captures[0].Value))
{
try
{
double interval = Convert.ToDouble(cmd[1].Captures[0].Value);
shutdownTimer.Interval = (interval > 0 ? interval * 1000 : 1);
bds.SendTellraw(String.Format("Scheduled shutdown in {0} seconds...", interval));
result = true;
CallHook((byte)Hook.EXIT_SCHEDULED, new HookEventArgs()
{
Attachment = interval
});
}
catch
{
Console.WriteLine("Could not schedule shutdown because \"{0}\" is not a valid number.", cmd[1].Captures[0].Value);
result = false;
}
}
else
{
shutdownTimer.Interval = 1;
result = true;
}
if (result)
{
shutdownTimer.Start();
}
break;
case "reload":
bool isVellumConfig = false;
if (cmd.Count == 2 && cmd[1].Captures[0].Value == "vellum")
{
RunConfig = LoadConfiguration(_configPath);
isVellumConfig = true;
}
else
{
bds.SendInput(text);
}
result = true;
CallHook((byte)Hook.RELOAD_CONFIG, new HookEventArgs()
{
Attachment = isVellumConfig
});
break;
case "updatecheck":
Console.WriteLine("Checking for updates...");
// BDS
UpdateChecker bdsUpdateChecker = new UpdateChecker(ReleaseProvider.HTML, "https://minecraft.net/en-us/download/server/bedrock/", @"https:\/\/minecraft\.azureedge\.net\/bin-" + (System.Environment.OSVersion.Platform == PlatformID.Win32NT ? "win" : "linux") + @"\/bedrock-server-(\d+\.\d+\.\d+(?>\.\d+)?)\.zip");
if (bdsUpdateChecker.GetLatestVersion())
{
Console.WriteLine(String.Format("Bedrock Server:\t{0} -> {1}\t({2})", UpdateChecker.ParseVersion(bdsVersion, VersionFormatting.MAJOR_MINOR_REVISION_BUILD), UpdateChecker.ParseVersion(bdsUpdateChecker.RemoteVersion, VersionFormatting.MAJOR_MINOR_REVISION_BUILD), UpdateChecker.CompareVersions(bdsVersion, bdsUpdateChecker.RemoteVersion, VersionFormatting.MAJOR_MINOR_REVISION_BUILD) < 0 ? "outdated" : "up to date"));
}
else
{
Console.WriteLine("Could not check for Bedrock server updates...");
}
// vellum
if (_updateChecker.GetLatestVersion())
{
Console.WriteLine(String.Format("vellum:\t\t{0} -> {1}\t({2})", UpdateChecker.ParseVersion(_localVersion, VersionFormatting.MAJOR_MINOR_REVISION), UpdateChecker.ParseVersion(_updateChecker.RemoteVersion, VersionFormatting.MAJOR_MINOR_REVISION), UpdateChecker.CompareVersions(_localVersion, _updateChecker.RemoteVersion, VersionFormatting.MAJOR_MINOR_REVISION) < 0 ? "outdated" : "up to date"));
}
else
{
Console.WriteLine("Could not check for vellum updates...");
}
result = true;
break;
default:
result = true;
bds.SendInput(text);
break;
}
if (!result)
{
Console.WriteLine("Could not execute vellum command \"{0}\".", text);
}
}
#endregion
}
else
{
Console.WriteLine("Could not execute vellum command \"{0}\". Please wait until all tasks have finished or enable \"BusyCommands\" in your \"{1}\".", text, _configPath);
}
};
}
else
{
Console.WriteLine("No previous configuration file found. Creating one...");
using (StreamWriter writer = new StreamWriter(_configPath))
{
writer.Write(JsonConvert.SerializeObject(new RunConfiguration()
{
BdsBinPath = System.Environment.OSVersion.Platform != PlatformID.Win32NT ? "bedrock_server" : "bedrock_server.exe",
Backups = new BackupConfig()
{
EnableBackups = true,
EnableSchedule = true,
Schedule = new string[] {
"00:00",
"06:00",
"12:00",
"18:00"
},
BackupInterval = 60,
ArchivePath = "./backups/",
StopBeforeBackup = false,
NotifyBeforeStop = 60,
BackupsToKeep = 10,
OnActivityOnly = false,
PreExec = "",
PostExec = "",
},
Renders = new RenderConfig()
{
EnableRenders = true,
RenderInterval = 180,
PapyrusBinPath = "",
PapyrusGlobalArgs = "-w $WORLD_PATH -o $OUTPUT_PATH --htmlfile index.html -f png -q 100 --deleteexistingupdatefolder",
PapyrusTasks = new string[] {
"--dim 0",
"--dim 1",
"--dim 2"
},
PapyrusOutputPath = "",
LowPriority = false
},
QuietMode = false,
HideStdout = true,
BusyCommands = true,
CheckForUpdates = true,
StopBdsOnException = true,
BdsWatchdog = true,
Plugins = new Dictionary <string, PluginConfig>()
},
Formatting.Indented));
}
Console.WriteLine(String.Format("Done! Please edit the \"{0}\" file and restart this application.", _configPath));
}
}