/// <inheritdoc />
protected override async Task InitControllers(
Task chatTask,
ReattachInformation reattachInfo,
CancellationToken cancellationToken)
{
// don't need a new dmb if reattaching
var reattachInProgress = reattachInfo != null;
var dmbToUse = reattachInProgress ? null : DmbFactory.LockNextDmb(1);
// if this try catches something, both servers are killed
try
{
// start the alpha server task, either by launch a new process or attaching to an existing one
// The tasks returned are mainly for writing interop files to the directories among other things and should generally never fail
// The tasks pertaining to server startup times are in the ISessionControllers
Task <ISessionController> serverLaunchTask;
if (!reattachInProgress)
{
dmbToUse = await PrepServerForLaunch(dmbToUse, cancellationToken).ConfigureAwait(false);
serverLaunchTask = SessionControllerFactory.LaunchNew(
dmbToUse,
null,
ActiveLaunchParameters,
false,
cancellationToken);
}
else
{
serverLaunchTask = SessionControllerFactory.Reattach(reattachInfo, cancellationToken);
}
// retrieve the session controller
Server = await serverLaunchTask.ConfigureAwait(false);
// failed reattaches will return null
Server?.SetHighPriority();
// possiblity of null servers due to failed reattaches
if (Server == null)
{
await ReattachFailure(
chatTask,
cancellationToken)
.ConfigureAwait(false);
return;
}
await CheckLaunchResult(Server, "Server", cancellationToken).ConfigureAwait(false);
Server.EnableCustomChatCommands();
}
catch
{
// kill the controllers
bool serverWasActive = Server != null;
// DCT: Operation must always run
await DisposeAndNullControllers(default).ConfigureAwait(false);
/// <inheritdoc />
protected override async Task InitControllers(Task chatTask, ReattachInformation reattachInfo, CancellationToken cancellationToken)
{
try
{
await base.InitControllers(chatTask, reattachInfo, cancellationToken).ConfigureAwait(false);
}
finally
{
// Then we move it back and apply the symlink
if (directoryHardLinked)
{
Logger.LogTrace("Unhardlinking compile job...");
Server?.Suspend();
await GameIOManager.MoveDirectory(
ActiveSwappable.Directory,
ActiveSwappable.CompileJob.DirectoryName.ToString(),
default)
.ConfigureAwait(false);
directoryHardLinked = false;
}
}
if (reattachInfo != null)
{
Logger.LogTrace("Skipping symlink due to reattach");
return;
}
Logger.LogTrace("Symlinking compile job...");
await ActiveSwappable.MakeActive(cancellationToken).ConfigureAwait(false);
Server.Resume();
}
/// <summary>
/// Construct a <see cref="SessionController"/>
/// </summary>
/// <param name="reattachInformation">The value of <see cref="reattachInformation"/></param>
/// <param name="process">The value of <see cref="process"/></param>
/// <param name="byondLock">The value of <see cref="byondLock"/></param>
/// <param name="byondTopicSender">The value of <see cref="byondTopicSender"/></param>
/// <param name="interopContext">The value of <see cref="interopContext"/></param>
/// <param name="chat">The value of <see cref="chat"/></param>
/// <param name="chatJsonTrackingContext">The value of <see cref="chatJsonTrackingContext"/></param>
/// <param name="logger">The value of <see cref="logger"/></param>
/// <param name="launchSecurityLevel">The value of <see cref="launchSecurityLevel"/></param>
/// <param name="startupTimeout">The optional time to wait before failing the <see cref="LaunchResult"/></param>
public SessionController(
ReattachInformation reattachInformation,
IProcess process,
IByondExecutableLock byondLock,
IByondTopicSender byondTopicSender,
IJsonTrackingContext chatJsonTrackingContext,
ICommContext interopContext,
IChat chat,
ILogger <SessionController> logger,
DreamDaemonSecurity?launchSecurityLevel,
uint?startupTimeout)
{
this.chatJsonTrackingContext = chatJsonTrackingContext; // null valid
this.reattachInformation = reattachInformation ?? throw new ArgumentNullException(nameof(reattachInformation));
this.byondTopicSender = byondTopicSender ?? throw new ArgumentNullException(nameof(byondTopicSender));
this.process = process ?? throw new ArgumentNullException(nameof(process));
this.byondLock = byondLock ?? throw new ArgumentNullException(nameof(byondLock));
this.interopContext = interopContext ?? throw new ArgumentNullException(nameof(interopContext));
this.chat = chat ?? throw new ArgumentNullException(nameof(chat));
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
this.launchSecurityLevel = launchSecurityLevel;
interopContext.RegisterHandler(this);
portClosedForReboot = false;
disposed = false;
apiValidationStatus = ApiValidationStatus.NeverValidated;
released = false;
rebootTcs = new TaskCompletionSource <object>();
process.Lifetime.ContinueWith(x => chatJsonTrackingContext.Active = false, TaskScheduler.Current);
async Task <LaunchResult> GetLaunchResult()
{
var startTime = DateTimeOffset.Now;
Task toAwait = process.Startup;
if (startupTimeout.HasValue)
{
toAwait = Task.WhenAny(process.Startup, Task.Delay(startTime.AddSeconds(startupTimeout.Value) - startTime));
}
await toAwait.ConfigureAwait(false);
var result = new LaunchResult
{
ExitCode = process.Lifetime.IsCompleted ? (int?)await process.Lifetime.ConfigureAwait(false) : null,
StartupTime = process.Startup.IsCompleted ? (TimeSpan?)(DateTimeOffset.Now - startTime) : null
};
return(result);
}
LaunchResult = GetLaunchResult();
logger.LogDebug("Created session controller. Primary: {0}, CommsKey: {1}, Port: {2}", IsPrimary, reattachInformation.AccessIdentifier, Port);
}
#pragma warning restore CA1506
/// <inheritdoc />
public async Task <ISessionController> Reattach(ReattachInformation reattachInformation, CancellationToken cancellationToken)
{
if (reattachInformation == null)
{
throw new ArgumentNullException(nameof(reattachInformation));
}
SessionController result = null;
var basePath = reattachInformation.IsPrimary ? reattachInformation.Dmb.PrimaryDirectory : reattachInformation.Dmb.SecondaryDirectory;
var chatJsonTrackingContext = await chat.TrackJsons(basePath, reattachInformation.ChatChannelsJson, reattachInformation.ChatCommandsJson, cancellationToken).ConfigureAwait(false);
try
{
var byondLock = await byond.UseExecutables(Version.Parse(reattachInformation.Dmb.CompileJob.ByondVersion), cancellationToken).ConfigureAwait(false);
try
{
var context = new CommContext(ioManager, loggerFactory.CreateLogger <CommContext>(), basePath, reattachInformation.ServerCommandsJson);
try
{
var process = processExecutor.GetProcess(reattachInformation.ProcessId);
if (process != null)
{
try
{
networkPromptReaper.RegisterProcess(process);
result = new SessionController(reattachInformation, process, byondLock, byondTopicSender, chatJsonTrackingContext, context, chat, loggerFactory.CreateLogger <SessionController>(), null, null);
process = null;
context = null;
byondLock = null;
chatJsonTrackingContext = null;
}
finally
{
process?.Dispose();
}
}
}
finally
{
context?.Dispose();
}
}
finally
{
byondLock?.Dispose();
}
}
finally
{
chatJsonTrackingContext?.Dispose();
}
return(result);
}
/// <summary>
/// Construct a <see cref="WatchdogReattachInformation"/> from a given <paramref name="copy"/> with a given <paramref name="dmbAlpha"/> and <paramref name="dmbBravo"/>
/// </summary>
/// <param name="copy">The <see cref="WatchdogReattachInformationBase"/> to copy information from</param>
/// <param name="dmbAlpha">The <see cref="IDmbProvider"/> used to build <see cref="Alpha"/></param>
/// <param name="dmbBravo">The <see cref="IDmbProvider"/> used to build <see cref="Bravo"/></param>
public WatchdogReattachInformation(Models.WatchdogReattachInformation copy, IDmbProvider dmbAlpha, IDmbProvider dmbBravo) : base(copy)
{
if (copy.Alpha != null)
{
Alpha = new ReattachInformation(copy.Alpha, dmbAlpha);
}
if (copy.Bravo != null)
{
Bravo = new ReattachInformation(copy.Bravo, dmbBravo);
}
}
/// <inheritdoc />
protected override async Task InitControllers(Task chatTask, ReattachInformation reattachInfo, CancellationToken cancellationToken)
{
try
{
await base.InitControllers(chatTask, reattachInfo, cancellationToken).ConfigureAwait(false);
}
finally
{
// Then we move it back and apply the symlink
if (hardLinkedDmb != null)
{
try
{
Logger.LogTrace("Unhardlinking compile job...");
Server?.Suspend();
var hardLink = hardLinkedDmb.Directory;
var originalPosition = hardLinkedDmb.CompileJob.DirectoryName.ToString();
await GameIOManager.MoveDirectory(
hardLink,
originalPosition,
default)
.ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.LogError(
ex,
"Failed to un-hard link compile job #{0} ({1})",
hardLinkedDmb.CompileJob.Id,
hardLinkedDmb.CompileJob.DirectoryName);
}
hardLinkedDmb = null;
}
}
if (reattachInfo != null)
{
Logger.LogTrace("Skipping symlink due to reattach");
return;
}
Logger.LogTrace("Symlinking compile job...");
await ActiveSwappable.MakeActive(cancellationToken).ConfigureAwait(false);
Server.Resume();
}
/// <summary>
/// Construct a <see cref="SessionController"/>
/// </summary>
/// <param name="reattachInformation">The value of <see cref="reattachInformation"/></param>
/// <param name="process">The value of <see cref="process"/></param>
/// <param name="byondLock">The value of <see cref="byondLock"/></param>
/// <param name="byondTopicSender">The value of <see cref="byondTopicSender"/></param>
/// <param name="interopContext">The value of <see cref="interopContext"/></param>
/// <param name="chat">The value of <see cref="chat"/></param>
/// <param name="chatJsonTrackingContext">The value of <see cref="chatJsonTrackingContext"/></param>
/// <param name="logger">The value of <see cref="logger"/></param>
/// <param name="startupTimeout">The optional time to wait before failing the <see cref="LaunchResult"/></param>
public SessionController(ReattachInformation reattachInformation, IProcess process, IByondExecutableLock byondLock, IByondTopicSender byondTopicSender, IJsonTrackingContext chatJsonTrackingContext, ICommContext interopContext, IChat chat, ILogger <SessionController> logger, uint?startupTimeout)
{
this.chatJsonTrackingContext = chatJsonTrackingContext; //null valid
this.reattachInformation = reattachInformation ?? throw new ArgumentNullException(nameof(reattachInformation));
this.byondTopicSender = byondTopicSender ?? throw new ArgumentNullException(nameof(byondTopicSender));
this.process = process ?? throw new ArgumentNullException(nameof(process));
this.byondLock = byondLock ?? throw new ArgumentNullException(nameof(byondLock));
this.interopContext = interopContext ?? throw new ArgumentNullException(nameof(interopContext));
this.chat = chat ?? throw new ArgumentNullException(nameof(chat));
this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
interopContext.RegisterHandler(this);
portClosedForReboot = false;
disposed = false;
apiValidated = false;
released = false;
rebootTcs = new TaskCompletionSource <object>();
async Task <LaunchResult> GetLaunchResult()
{
var startTime = DateTimeOffset.Now;
Task toAwait = process.Startup;
if (startupTimeout.HasValue)
{
toAwait = Task.WhenAny(process.Startup, Task.Delay(startTime.AddSeconds(startupTimeout.Value) - startTime));
}
await toAwait.ConfigureAwait(false);
var result = new LaunchResult
{
ExitCode = process.Lifetime.IsCompleted ? (int?)await process.Lifetime.ConfigureAwait(false) : null,
StartupTime = process.Startup.IsCompleted ? (TimeSpan?)(DateTimeOffset.Now - startTime) : null
};
return(result);
};
LaunchResult = GetLaunchResult();
}
