private IEnumerable<Interpreter> GetInterpreters() {
if (_options.AutoDetect) {
_logger.LogTrace(Resources.Trace_AutoDetectingR);
var engines = new RInstallation().GetCompatibleEngines();
if (engines.Any()) {
foreach (var e in engines) {
var detected = new Interpreter(this, Guid.NewGuid().ToString(), e.Name, e.InstallPath, e.BinPath, e.Version);
_logger.LogTrace(Resources.Trace_DetectedR, detected.Version, detected.Path);
yield return detected;
}
} else {
_logger.LogWarning(Resources.Error_NoRInterpreters);
}
}
foreach (var kv in _options.Interpreters) {
string id = kv.Key;
InterpreterOptions options = kv.Value;
if (!string.IsNullOrEmpty(options.BasePath) && _fs.DirectoryExists(options.BasePath)) {
var interpInfo = new RInterpreterInfo(string.Empty, options.BasePath);
if (interpInfo.VerifyInstallation()) {
yield return new Interpreter(this, id, options.Name, interpInfo.InstallPath, interpInfo.BinPath, interpInfo.Version);
continue;
}
}
_logger.LogError(Resources.Error_FailedRInstallationData, id, options.BasePath);
}
}
internal Session(SessionManager manager, IIdentity user, string id, Interpreter interpreter, string commandLineArguments, ILogger sessionLogger, ILogger messageLogger) {
Manager = manager;
Interpreter = interpreter;
User = user;
Id = id;
CommandLineArguments = commandLineArguments;
_sessionLogger = sessionLogger;
_pipe = new MessagePipe(messageLogger);
}
public Session CreateSession(IIdentity user, string id, Interpreter interpreter, SecureString password, string profilePath, string commandLineArguments) {
Session session;
lock (_sessions) {
if (_blockedUsers.Contains(user.Name)) {
throw new InvalidOperationException(Resources.Error_BlockedByProfileDeletion.FormatInvariant(user.Name));
}
var oldUserSessions = GetOrCreateSessionList(user);
var oldSessions = oldUserSessions.Where(s => s.Id == id).ToArray();
foreach (var oldSession in oldSessions) {
oldUserSessions.Remove(oldSession);
Task.Run(() => oldSession.KillHost()).SilenceException<Exception>().DoNotWait();
oldSession.State = SessionState.Terminated;
}
var userSessions = GetOrCreateSessionList(user);
session = new Session(this, user, id, interpreter, commandLineArguments, _sessionLogger, _messageLogger);
session.StateChanged += Session_StateChanged;
userSessions.Add(session);
}
session.StartHost(
password,
profilePath,
_loggingOptions.LogHostOutput ? _hostOutputLogger : null,
_loggingOptions.LogPackets || _loggingOptions.LogHostOutput ? LogVerbosity.Traffic : LogVerbosity.Minimal);
return session;
}