public void UpdateInstalledJavaVersion(bool ignoreWarnings = false)
{
InstalledJavaVersion = JavaVersionUtils.GetInstalledJavaVersion();
if (InstalledJavaVersion == null)
{
ShowJavaWarning = !ignoreWarnings;
JavaWarningMessage =
"No Java installation detected!" +
"\nMinecraft Servers require Java to be installed on your system";
return;
}
if (!InstalledJavaVersion.Is64Bit)
{
ShowJavaWarning = !ignoreWarnings;
JavaWarningMessage =
"32-Bit Java installation detected!" +
"\nThis will cause issues if you want to use more than 1GB of RAM";
return;
}
if (InstalledJavaVersion.VersionComputed < 16)
{
ShowJavaWarning = !ignoreWarnings;
JavaWarningMessage =
"Old Java installation detected (Version " + InstalledJavaVersion.VersionComputed + ")!" +
"\nOlder Java versions will cause problems from Minecraft 1.17 onwards." +
"\nWe recommend installing Java version 16 or higher for full support";
return;
}
ShowJavaWarning = false;
JavaWarningMessage = "";
}
public void UpdateInstalledJavaVersion(bool ignoreWarnings = false)
{
InstalledJavaVersion = JavaVersionUtils.GetInstalledJavaVersion();
if (InstalledJavaVersion == null)
{
ShowJavaWarning = !ignoreWarnings;
JavaWarningMessage =
"No Java installation detected!" +
"\nMinecraft Servers require Java to be installed on your system";
return;
}
if (!InstalledJavaVersion.Is64Bit)
{
ShowJavaWarning = !ignoreWarnings;
JavaWarningMessage =
"32-Bit Java installation detected!" +
"\nThis will cause issues if you want to use more than 1GB of RAM";
return;
}
//TODO enable this at a latest point when new java versions don't cause issues anymore
/*if (InstalledJavaVersion.VersionComputed < 11)
* {
* ShowJavaWarning = !ignoreWarnings;
* JavaWarningMessage =
* "Old Java installation detected (Version "+InstalledJavaVersion.VersionComputed+")!" +
* "\nOlder Java versions will cause problems in the near future" +
* "\nWe recommend installing Java version 11 or higher for full support";
* return;
* }*/
ShowJavaWarning = false;
JavaWarningMessage = "";
}
public async Task <bool> StartNetworkAsync(NetworkViewModel viewModel, bool startServers)
{
ConsoleWriter.Write("\n Starting network " + viewModel.Entity.Name, viewModel);
Console.WriteLine("Starting network " + viewModel.Entity.Name);
if (startServers)
{
if (viewModel.Servers.Count == 0)
{
ConsoleWriter.Write("WARNING: This network contains no Servers. Players will not be able to join.", viewModel);
}
else
{
ConsoleWriter.Write("Starting all " + viewModel.Servers.Count + " servers of this network...", viewModel);
foreach (NetworkServer networkServer in viewModel.Servers)
{
if (networkServer is NetworkForkServer networkForkServer)
{
ServerViewModel serverViewModel = networkForkServer.ServerViewModel;
if (serverViewModel.CurrentStatus == ServerStatus.STOPPED)
{
ConsoleWriter.Write("\nStarting server " + serverViewModel.Server + " on world: " +
serverViewModel.Server.ServerSettings.LevelName, viewModel);
ServerManager.Instance.StartServerAsync(serverViewModel);
}
else if (serverViewModel.CurrentStatus == ServerStatus.STARTING)
{
ConsoleWriter.Write("Server " + serverViewModel.Server + " is already starting.", viewModel);
}
else if (serverViewModel.CurrentStatus == ServerStatus.RUNNING)
{
ConsoleWriter.Write("Server " + serverViewModel.Server + " is already running.", viewModel);
}
}
else
{
ConsoleWriter.Write("Server " + networkServer.Name + " can't be started automatically because it is no Fork server.", viewModel);
}
}
}
}
else
{
ConsoleWriter.Write("Make sure that at least one server configured in the settings is running, else Players won't be able to join this network.", viewModel);
}
ConsoleWriter.Write("\n", viewModel);
if (!viewModel.SettingsSavingTask.IsCompleted)
{
ConsoleWriter.Write("Saving settings files before starting proxy server...", viewModel);
await viewModel.SettingsSavingTask;
}
//Start proxy server
ConsoleWriter.Write("Starting proxy server...", viewModel);
DirectoryInfo directoryInfo = new DirectoryInfo(Path.Combine(App.ServerPath, viewModel.Network.Name));
if (!directoryInfo.Exists)
{
ConsoleWriter.Write("ERROR: Can't find network directory: " + directoryInfo.FullName, viewModel);
return(false);
}
JavaVersion javaVersion = JavaVersionUtils.GetInstalledJavaVersion(viewModel.Network.JavaSettings.JavaPath);
if (javaVersion == null)
{
ConsoleWriter.Write("ERROR: Java is not installed! Minecraft networks require Java!", viewModel);
return(false);
}
if (!javaVersion.Is64Bit)
{
ConsoleWriter.Write("WARN: The Java installation selected for this network is a 32-bit version, which can cause errors.", viewModel);
}
if (javaVersion.VersionComputed < 11)
{
ConsoleWriter.Write("WARN: The Java installation selected for this network is outdated. Please update Java to version 11 or higher.", viewModel);
}
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo
{
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
FileName = viewModel.Network.JavaSettings.JavaPath,
WorkingDirectory = directoryInfo.FullName,
Arguments = "-Xmx" + viewModel.Network.JavaSettings.MaxRam + "m " + viewModel.Network.JavaSettings.StartupParameters + " -jar server.jar nogui",
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true
};
process.StartInfo = startInfo;
process.Start();
Task.Run(() =>
{
viewModel.TrackPerformance(process);
});
viewModel.CurrentStatus = ServerStatus.STARTING;
ConsoleWriter.RegisterApplication(viewModel, process.StandardOutput, process.StandardError);
ConsoleReader consoleReader = new ConsoleReader(process.StandardInput);
viewModel.ConsoleReader = consoleReader;
Task.Run(async() =>
{
await process.WaitForExitAsync();
ApplicationManager.Instance.ActiveEntities.Remove(viewModel.Entity);
viewModel.CurrentStatus = ServerStatus.STOPPED;
});
ApplicationManager.Instance.ActiveEntities[viewModel.Network] = process;
Console.WriteLine("Started network " + viewModel.Network);
return(true);
}
public async Task <bool> StartServerAsync(ServerViewModel viewModel)
{
ConsoleWriter.Write("\n", viewModel);
//if (!viewModel.SettingsSavingTask.IsCompleted)
//{
ConsoleWriter.Write("Saving settings files before starting server ...", viewModel);
await Task.Run(async() => await viewModel.SettingsSavingTask);
//}
ConsoleWriter.Write(
"Starting server " + viewModel.Server + " on world: " + viewModel.Server.ServerSettings.LevelName,
viewModel);
Console.WriteLine("Starting server " + viewModel.Server.Name + " on world: " +
viewModel.Server.ServerSettings.LevelName);
DirectoryInfo directoryInfo = new DirectoryInfo(Path.Combine(App.ServerPath, viewModel.Server.Name));
if (!directoryInfo.Exists)
{
return(false);
}
JavaVersion javaVersion = JavaVersionUtils.GetInstalledJavaVersion(viewModel.Server.JavaSettings.JavaPath);
if (javaVersion == null)
{
ConsoleWriter.Write("ERROR: Java is not installed! Minecraft servers require Java!", viewModel);
return(false);
}
if (!javaVersion.Is64Bit)
{
ConsoleWriter.Write(
"WARN: The Java installation selected for this server is a 32-bit version, which can cause errors.",
viewModel);
}
if (javaVersion.VersionComputed < 16)
{
if (new ServerVersion {
Version = "1.17"
}.CompareTo(viewModel.Entity.Version) <= 0)
{
ConsoleWriter.Write("ERROR: The Java installation selected for this server is outdated. Please update Java to version 16 or higher.", viewModel);
return(false);
}
else
{
ConsoleWriter.Write("WARN: The Java installation selected for this server is outdated. Please update Java to version 16 or higher.", viewModel);
}
}
if (!viewModel.Server.ServerSettings.ResourcePack.Equals("") && viewModel.Server.AutoSetSha1)
{
ConsoleWriter.Write(new ConsoleMessage("Generating Resource Pack hash...",
ConsoleMessage.MessageLevel.INFO), viewModel);
string resourcePackUrl = viewModel.Server.ServerSettings.ResourcePack.Replace("\\", "");
bool isHashUpToDate = await IsHashUpToDate(viewModel.Server.ResourcePackHashAge, resourcePackUrl);
if (!string.IsNullOrEmpty(viewModel.Server.ServerSettings.ResourcePackSha1) && isHashUpToDate)
{
ConsoleWriter.Write(new ConsoleMessage("Resource Pack hash is still up to date. Staring server...",
ConsoleMessage.MessageLevel.SUCCESS), viewModel);
}
else
{
ConsoleWriter.Write(new ConsoleMessage("Resource Pack hash is outdated. Updating it...",
ConsoleMessage.MessageLevel.WARN), viewModel);
DateTime hashAge = DateTime.Now;
IProgress <double> downloadProgress = new Progress <double>();
string hash = await HashResourcePack(resourcePackUrl, downloadProgress);
if (!string.IsNullOrEmpty(hash))
{
viewModel.Server.ServerSettings.ResourcePackSha1 = hash;
viewModel.Server.ResourcePackHashAge = hashAge;
await viewModel.SaveProperties();
ConsoleWriter.Write(new ConsoleMessage("Successfully updated Resource Pack hash to: " + hash,
ConsoleMessage.MessageLevel.SUCCESS), viewModel);
ConsoleWriter.Write(new ConsoleMessage("Starting the server...",
ConsoleMessage.MessageLevel.INFO), viewModel);
}
else
{
ConsoleWriter.Write(new ConsoleMessage(
"Error updating the Resource Pack hash! Continuing with no hash...",
ConsoleMessage.MessageLevel.ERROR), viewModel);
}
}
}
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo
{
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
FileName = viewModel.Server.JavaSettings.JavaPath,
WorkingDirectory = directoryInfo.FullName,
Arguments = "-Xmx" + viewModel.Server.JavaSettings.MaxRam + "m " +
viewModel.Server.JavaSettings.StartupParameters + " -jar server.jar nogui",
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true
};
process.StartInfo = startInfo;
process.Start();
Task.Run(() => { viewModel.TrackPerformance(process); });
viewModel.CurrentStatus = ServerStatus.STARTING;
ConsoleWriter.RegisterApplication(viewModel, process.StandardOutput, process.StandardError);
ConsoleReader consoleReader = new ConsoleReader(process.StandardInput);
ServerAutomationManager.Instance.UpdateAutomation(viewModel);
Task.Run(async() =>
{
await process.WaitForExitAsync();
ApplicationManager.Instance.ActiveEntities.Remove(viewModel.Server);
viewModel.CurrentStatus = ServerStatus.STOPPED;
ServerAutomationManager.Instance.UpdateAutomation(viewModel);
});
viewModel.ConsoleReader = consoleReader;
ApplicationManager.Instance.ActiveEntities[viewModel.Server] = process;
Task.Run(async() =>
{
var worker = new QueryStatsWorker(viewModel);
await process.WaitForExitAsync();
worker.Dispose();
});
Console.WriteLine("Started server " + viewModel.Server);
//Register new world if created
Task.Run(async() =>
{
while (!viewModel.ServerRunning)
{
await Task.Delay(500);
}
viewModel.InitializeWorldsList();
});
return(true);
}
public async Task StartServerAsync(Server server)
{
if (server.Status != EntityStatus.Stopped)
{
await _console.WriteError(server, "Can't start server that was not properly stopped");
throw new ForkException("Only stopped servers can be started");
}
await ChangeServerStatusAsync(server, EntityStatus.Starting);
_logger.LogInformation($"Starting server {server.Name} on world {server.VanillaSettings.LevelName}");
// Get server directory
DirectoryInfo serverDirectory = new DirectoryInfo(server.GetPath(_application));
if (!serverDirectory.Exists)
{
await ChangeServerStatusAsync(server, EntityStatus.Stopped);
await _console.WriteError(server,
$"This server has no directory for some reason. The path that was searched was:\n{server.GetPath(_application)}");
throw new ForkException($"Supplied server \"{server.Name}\" has no directory!");
}
JavaVersion javaVersion = JavaVersionUtils.GetInstalledJavaVersion(server.JavaSettings.JavaPath);
if (javaVersion == null)
{
await ChangeServerStatusAsync(server, EntityStatus.Stopped);
await _console.WriteError(server,
$"No valid Java installation was found for the configured java path:\n{server.JavaSettings.JavaPath}");
throw new ForkException(
$"No valid Java installation was found for the configured java path:\n{server.JavaSettings.JavaPath}");
}
if (!javaVersion.Is64Bit)
{
await _console.WriteWarning(server,
"The Java installation selected for this server is a 32-bit version, which can cause errors and limits the RAM usage to 2GB");
}
if (javaVersion.VersionComputed < 16)
{
if (new ServerVersion {
Version = "1.17"
}.CompareTo(server.Version) <= 0)
{
await ChangeServerStatusAsync(server, EntityStatus.Stopped);
await _console.WriteError(server,
"The Java installation selected for this server is outdated. Please update Java to version 16 or higher.");
throw new ForkException(
"The Java installation selected for this server is outdated. Please update Java to version 16 or higher.");
}
await _console.WriteWarning(server,
"WARN: The Java installation selected for this server is outdated. Please update Java to version 16 or higher.");
}
if (server.VanillaSettings.ResourcePack != "" && server.AutoSetSha1)
{
await UpdateResourcePackHash(server);
}
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo
{
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
FileName = server.JavaSettings.JavaPath ?? "java",
WorkingDirectory = serverDirectory.FullName,
Arguments = "-Xmx" + server.JavaSettings.MaxRam + "m " +
server.JavaSettings.StartupParameters + " -jar server.jar nogui",
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true
};
process.StartInfo = startInfo;
process.Start();
CancellationTokenSource serverStoppedTokenSource = new CancellationTokenSource();
Task.Run(() => TrackServerPerformance(server, process, serverStoppedTokenSource));
await _console.BindProcessToConsole(server, process.StandardOutput, process.StandardError,
status => _ = ChangeServerStatusAsync(server, status));
server.ConsoleHandler = delegate(string line)
{
_console.WriteLine(server, line, ConsoleMessageType.UserInput);
process.StandardInput.WriteLineAsync(line);
};
//TODO CKE add server automation
//ServerAutomationManager.Instance.UpdateAutomation(viewModel);
_ = Task.Run(async() =>
{
//TODO CKE start performance tracker here
// var worker = new QueryStatsWorker(viewModel);
await process.WaitForExitAsync();
//TODO determine crash and normal stop
await ChangeServerStatusAsync(server, EntityStatus.Stopped);
serverStoppedTokenSource.Cancel();
//TODO CKE stop automation here
//ServerAutomationManager.Instance.UpdateAutomation(viewModel);
});
_logger.LogInformation("Started server " + server.Name);
//Register new world if created
_ = Task.Run(async() =>
{
while (server.Status == EntityStatus.Starting)
{
await Task.Delay(500);
}
if (server.Status == EntityStatus.Started)
{
// TODO CKE update Worlds as a new one might have been created
// viewModel.InitializeWorldsList();
}
});
}
