public void Shutdown(CommandHostContext context)
{
try {
if (context.CommandHost != null) {
LogInfo(context, "Shutting down Coevery session...");
context.CommandHost.StopSession(_input, _output);
}
}
catch (AppDomainUnloadedException) {
LogInfo(context, " (AppDomain already unloaded)");
}
if (context.CommandHost != null) {
LogInfo(context, "Shutting down ASP.NET AppDomain...");
ApplicationManager.GetApplicationManager().ShutdownAll();
}
}
public CommandReturnCodes ExecuteInteractive(CommandHostContext context)
{
_output.WriteLine("Type \"?\" for help, \"exit\" to exit, \"cls\" to clear screen");
while (true) {
var command = ReadCommand(context);
switch (command.ToLowerInvariant()) {
case "quit":
case "q":
case "exit":
case "e":
return 0;
case "help":
case "?":
DisplayInteractiveHelp();
break;
case "cls":
Console.Clear();
break;
default:
context = RunCommand(context, command);
break;
}
}
}
private CommandReturnCodes RunCommandInSession(CommandHostContext context, string command)
{
try {
var args = new CoeveryParametersParser().Parse(new CommandParametersParser().Parse(new CommandLineParser().Parse(command)));
return context.CommandHost.RunCommandInSession(_input, _output, context.Logger, args);
}
catch (AppDomainUnloadedException) {
_output.WriteLine("AppDomain of Coevery session has been unloaded. (Retrying...)");
return context.RetryResult;
}
}
private CommandHostContext RunCommand(CommandHostContext context, string command)
{
if (string.IsNullOrWhiteSpace(command))
return context;
CommandReturnCodes result = RunCommandInSession(context, command);
if (result == context.RetryResult) {
_commandHostContextProvider.Shutdown(context);
context = CommandHostContext();
result = RunCommandInSession(context, command);
if (result != CommandReturnCodes.Ok)
_output.WriteLine("Command returned non-zero result: {0}", result);
}
return context;
}
private string ReadCommand(CommandHostContext context)
{
_output.WriteLine();
_output.Write("Coevery> ");
return _input.ReadLine();
}
private CommandReturnCodes ExecuteSingleCommand(CommandHostContext context)
{
return context.CommandHost.RunCommand(_input, _output, context.Logger, context.Arguments);
}
private CommandReturnCodes ExecuteResponseFiles(CommandHostContext context)
{
var responseLines = new ResponseFiles.ResponseFiles().ReadFiles(context.Arguments.ResponseFiles);
return context.CommandHost.RunCommands(_input, _output, context.Logger, responseLines.ToArray());
}
public CommandHostContext CreateContext()
{
var context = new CommandHostContext { RetryResult = CommandReturnCodes.Retry };
Initialize(context);
return context;
}
private void LogInfo(CommandHostContext context, string format, params object[] args)
{
if (context.Logger != null)
context.Logger.LogInfo(format, args);
}
private void Initialize(CommandHostContext context)
{
context.Arguments = new CoeveryParametersParser().Parse(new CommandParametersParser().Parse(_args));
context.Logger = new Logger(context.Arguments.Verbose, _output);
// Perform some argument validation and display usage if something is incorrect
context.DisplayUsageHelp = context.Arguments.Switches.ContainsKey("?");
if (context.DisplayUsageHelp)
return;
context.DisplayUsageHelp = (context.Arguments.Arguments.Any() && context.Arguments.ResponseFiles.Any());
if (context.DisplayUsageHelp) {
_output.WriteLine("Incorrect syntax: Response files cannot be used in conjunction with commands");
return;
}
if (string.IsNullOrEmpty(context.Arguments.VirtualPath))
context.Arguments.VirtualPath = "/";
LogInfo(context, "Virtual path: \"{0}\"", context.Arguments.VirtualPath);
if (string.IsNullOrEmpty(context.Arguments.WorkingDirectory))
context.Arguments.WorkingDirectory = Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location);
LogInfo(context, "Working directory: \"{0}\"", context.Arguments.WorkingDirectory);
LogInfo(context, "Detecting Coevery installation root directory...");
context.CoeveryDirectory = GetCoeveryDirectory(context.Arguments.WorkingDirectory);
LogInfo(context, "Coevery root directory: \"{0}\"", context.CoeveryDirectory.FullName);
LogInfo(context, "Creating ASP.NET AppDomain for command agent...");
context.CommandHost = CreateWorkerAppDomainWithHost(context.Arguments.VirtualPath, context.CoeveryDirectory.FullName, typeof(CommandHost));
LogInfo(context, "Starting Coevery session");
context.StartSessionResult = context.CommandHost.StartSession(_input, _output);
}