public void BootstrapsBasicApplicationFileChange()
{
string path = ApplicationUtils.CreateValidExampleApplication();
string filePath = Path.Combine(path, Path.GetFileNameWithoutExtension(Path.GetRandomFileName()) + ".dll");
ManualResetEvent handle = new ManualResetEvent(false);
try
{
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
bootstraps.ApplicationFilesChanged += (sender, e) =>
{
Assert.AreEqual(filePath, e.FullPath);
handle.Set();
};
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp().ResultType);
using (File.Create(filePath))
{
}
WaitHandle.WaitAll(new WaitHandle[] { handle });
}
}
finally
{
handle.Close();
}
}
/// <summary>
/// Raises the console's CancelKeyPress event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void ConsoleCancelKeyPress(object sender, ConsoleCancelEventArgs e)
{
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Dispose();
bootstraps = null;
}
}
}
private static void WaitForInput()
{
while (isRunning)
{
string input = (Console.ReadLine() ?? string.Empty).Trim().ToUpperInvariant();
if (input == "EXIT")
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Waiting for all workers to stop...");
Console.ResetColor();
Console.WriteLine();
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
}
}
else if (input == "FORCE")
{
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Dispose();
bootstraps = null;
}
}
}
else if (!string.IsNullOrEmpty(input))
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Unrecognized command.");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Type 'exit' to shutdown gracefully, or Ctl+C to exit immediately.");
Console.ResetColor();
Console.WriteLine();
}
}
}
/// <summary>
/// Attempts a Pullup() operation on the bootstraps instance indefinitely until it succeeds.
/// </summary>
private static void PullupBootstraps()
{
while (isRunning)
{
BootstrapsPullupResult result;
lock (Locker)
{
if (bootstraps == null)
{
bootstraps = new Bootstraps(options.ApplicationPath, options.ConfigPath, options.Threshold);
bootstraps.ApplicationFilesChanged += new EventHandler <FileSystemEventArgs>(BootstrapsApplicationFilesChanged);
bootstraps.Log += new EventHandler <EventLoggerEventArgs>(BootstrapsLog);
}
logger.Info("Starting the application at '{0}'.", bootstraps.ApplicationPath);
result = bootstraps.PullUp();
}
if (result.ResultType == BootstrapsPullupResultType.Success)
{
logger.Info("The application at '{0}' is running.", bootstraps.ApplicationPath);
break;
}
else
{
switch (result.ResultType)
{
case BootstrapsPullupResultType.ApplicationDirectoryNotFound:
logger.Warn("The application directory '{0}' was not found. Trying again in 10 seconds.", bootstraps.ApplicationPath);
break;
case BootstrapsPullupResultType.ConfigurationFileNotFound:
logger.Warn("The configuration file '{0}' was not found. Trying again in 10 seconds.", bootstraps.ConfigPath);
break;
case BootstrapsPullupResultType.Exception:
logger.Error(result.Exception, "An exception occurred while starting the application. Trying again in 10 seconds.");
break;
default:
throw new NotImplementedException();
}
Thread.Sleep(10000);
}
}
}
/// <summary>
/// Raises the bootstraps' ApplicationFilesChanged event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void BootstrapsApplicationFilesChanged(object sender, FileSystemEventArgs e)
{
logger.Info("A change was detected in '{0}'. Shutting down.", e.FullPath);
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
}
logger.Info("Re-starting the application at '{0}'.", options.ApplicationPath);
PullupBootstraps();
}
/// <summary>
/// Raises the parent process' Exited event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void ParentProcessExited(object sender, EventArgs e)
{
logger.Info("The process for the application at '{0}' has been orphaned. Shutting down.", options.ApplicationPath);
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
if (inputThread != null)
{
inputThread.IsBackground = true;
}
}
}
/// <summary>
/// Executes tests that ensure assemblies are not locked when the remote app domain
/// is loaded by <see cref="Bootstraps"/>.
/// </summary>
/// <param name="path">The path of the application to test.</param>
/// <param name="pathToDelete">The path of the assembly file to delete.</param>
private static void AssembliesNotLocked(string path, string pathToDelete)
{
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp().ResultType);
Assert.IsTrue(File.Exists(pathToDelete));
ProcessStartInfo info = new ProcessStartInfo()
{
Arguments = string.Format(CultureInfo.InvariantCulture, @"/C del ""{0}""", pathToDelete),
CreateNoWindow = true,
FileName = "cmd.exe",
RedirectStandardError = true,
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = new Process())
{
process.StartInfo = info;
Assert.IsTrue(process.Start());
process.WaitForExit();
Assert.AreEqual(0, process.ExitCode);
Assert.AreEqual(string.Empty, process.StandardError.ReadToEnd());
Assert.IsFalse(File.Exists(pathToDelete));
}
}
}
public void BootstrapsWebApplicationConfigFileChange()
{
string path = ApplicationUtils.CreateValidExampleWebApplication();
ManualResetEvent handle = new ManualResetEvent(false);
try
{
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
bootstraps.ApplicationFilesChanged += (sender, e) =>
{
Assert.AreEqual(Path.Combine(path, "Web.config"), e.FullPath);
handle.Set();
};
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp().ResultType);
using (File.Create(Path.Combine(path, "Web.config")))
{
}
WaitHandle.WaitAll(new WaitHandle[] { handle });
}
}
finally
{
handle.Close();
}
}
public void BootstrapsPullUpFail()
{
string path = ApplicationUtils.CreateValidExampleApplication();
File.Delete(Path.Combine(path, "BlueCollar.dll"));
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
BootstrapsPullupResult result = bootstraps.PullUp();
Assert.AreEqual(BootstrapsPullupResultType.Exception, result.ResultType);
Assert.IsNotNull(result.Exception);
}
}
public void BootstrapsPullUpBasicWebApplication()
{
string path = ApplicationUtils.CreateValidExampleWebApplication();
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp().ResultType);
Assert.IsTrue(bootstraps.IsLoaded);
}
}
public void BootstrapsPullUpAndExecuteJob()
{
string path = ApplicationUtils.CreateValidExampleApplication();
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp(true).ResultType);
CreateFileJob job = new CreateFileJob()
{
Path = Path.Combine(path, Path.GetRandomFileName())
};
Assert.IsFalse(File.Exists(job.Path));
// The default configuration specifies a SQLite repository pointing
// to BlueCollar.sqlite in the application's root directory.
using (IRepository repository = new SQLiteRepository(string.Format(CultureInfo.InvariantCulture, "data source={0};journal mode=Off;synchronous=Off;version=3", Path.Combine(path, "BlueCollar.sqlite"))))
{
job.Enqueue("Default", null, repository);
}
// Default worker heartbeat is 5 seconds.
Thread.Sleep(6000);
Assert.IsTrue(File.Exists(job.Path));
}
}
/// <summary>
/// Raises the console's CancelKeyPress event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void ConsoleCancelKeyPress(object sender, ConsoleCancelEventArgs e)
{
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Dispose();
bootstraps = null;
}
}
}
private static void WaitForInput()
{
while (isRunning)
{
string input = (Console.ReadLine() ?? string.Empty).Trim().ToUpperInvariant();
if (input == "EXIT")
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Waiting for all workers to stop...");
Console.ResetColor();
Console.WriteLine();
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
}
}
else if (input == "FORCE")
{
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Dispose();
bootstraps = null;
}
}
}
else if (!string.IsNullOrEmpty(input))
{
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Unrecognized command.");
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Type 'exit' to shutdown gracefully, or Ctl+C to exit immediately.");
Console.ResetColor();
Console.WriteLine();
}
}
}
/// <summary>
/// Attempts a Pullup() operation on the bootstraps instance indefinitely until it succeeds.
/// </summary>
private static void PullupBootstraps()
{
while (isRunning)
{
BootstrapsPullupResult result;
lock (Locker)
{
if (bootstraps == null)
{
bootstraps = new Bootstraps(options.ApplicationPath, options.ConfigPath, options.Threshold);
bootstraps.ApplicationFilesChanged += new EventHandler<FileSystemEventArgs>(BootstrapsApplicationFilesChanged);
bootstraps.Log += new EventHandler<EventLoggerEventArgs>(BootstrapsLog);
}
logger.Info("Starting the application at '{0}'.", bootstraps.ApplicationPath);
result = bootstraps.PullUp();
}
if (result.ResultType == BootstrapsPullupResultType.Success)
{
logger.Info("The application at '{0}' is running.", bootstraps.ApplicationPath);
break;
}
else
{
switch (result.ResultType)
{
case BootstrapsPullupResultType.ApplicationDirectoryNotFound:
logger.Warn("The application directory '{0}' was not found. Trying again in 10 seconds.", bootstraps.ApplicationPath);
break;
case BootstrapsPullupResultType.ConfigurationFileNotFound:
logger.Warn("The configuration file '{0}' was not found. Trying again in 10 seconds.", bootstraps.ConfigPath);
break;
case BootstrapsPullupResultType.Exception:
logger.Error(result.Exception, "An exception occurred while starting the application. Trying again in 10 seconds.");
break;
default:
throw new NotImplementedException();
}
Thread.Sleep(10000);
}
}
}
/// <summary>
/// Raises the parent process' Exited event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void ParentProcessExited(object sender, EventArgs e)
{
logger.Info("The process for the application at '{0}' has been orphaned. Shutting down.", options.ApplicationPath);
isRunning = false;
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
if (inputThread != null)
{
inputThread.IsBackground = true;
}
}
}
public void BootstrapsPullUpAndExcecuteJobWithHttpApplicationEntryPoint()
{
string path = ApplicationUtils.CreateValidExampleApplication();
using (Bootstraps bootstraps = new Bootstraps(path, null, 500))
{
Assert.AreEqual(BootstrapsPullupResultType.Success, bootstraps.PullUp(true).ResultType);
CreateFileJob job = new CreateFileJob()
{
Path = Path.Combine(path, Path.GetRandomFileName())
};
Assert.IsFalse(File.Exists(job.Path));
using (IRepository repository = new SQLiteRepository(string.Format(CultureInfo.InvariantCulture, "data source={0};journal mode=Off;synchronous=Off;version=3", Path.Combine(path, "BlueCollar.sqlite"))))
{
job.Enqueue("Default", null, repository);
}
Thread.Sleep(6000);
Assert.IsTrue(File.Exists("HttpApplicationStart"));
bootstraps.Pushdown(true);
Assert.IsTrue(File.Exists("HttpApplicationEnd"));
}
}
/// <summary>
/// Raises the bootstraps' ApplicationFilesChanged event.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event arguments.</param>
private static void BootstrapsApplicationFilesChanged(object sender, FileSystemEventArgs e)
{
logger.Info("A change was detected in '{0}'. Shutting down.", e.FullPath);
lock (Locker)
{
if (bootstraps != null)
{
bootstraps.Pushdown(false);
bootstraps.Dispose();
bootstraps = null;
}
}
logger.Info("Re-starting the application at '{0}'.", options.ApplicationPath);
PullupBootstraps();
}
