コード例 #1
0
        public LabTask CreateLabTask(LabAppInfo appInfo, Coupon expCoupon, Ticket expTicket)
        {
            // set defaults
            DateTime startTime = DateTime.UtcNow;
            long duration = -1L;
            long experimentID = 0;
            int status = -1;

            string statusViName = null;
            string statusTemplate = null;
            string templatePath = null;
            LabDB dbManager = new LabDB();
            string qualName = null;
            string fullName = null;  // set defaults
            string viName = null;

            //CHeck that a labVIEW interface revision is set
            //if (appInfo.rev == null || appInfo.rev.Length < 2)
            //{
            //    appInfo.rev = ConfigurationManager.AppSettings["LabViewVersion"];
            //}

            ////Parse experiment payload, only get what is needed
            string payload = expTicket.payload;
            XmlQueryDoc expDoc = new XmlQueryDoc(payload);
            string essService = expDoc.Query("ExecuteExperimentPayload/essWebAddress");
            string startStr = expDoc.Query("ExecuteExperimentPayload/startExecution");
            string durationStr = expDoc.Query("ExecuteExperimentPayload/duration");
            string groupName = expDoc.Query("ExecuteExperimentPayload/groupName");
            string userName = expDoc.Query("ExecuteExperimentPayload/userName");
            string expIDstr = expDoc.Query("ExecuteExperimentPayload/experimentID");

            if ((startStr != null) && (startStr.Length > 0))
            {
                startTime = DateUtil.ParseUtc(startStr);
            }
            if ((durationStr != null) && (durationStr.Length > 0) && !(durationStr.CompareTo("-1") == 0))
            {
                duration = Convert.ToInt64(durationStr);
            }
            if ((expIDstr != null) && (expIDstr.Length > 0))
            {
                experimentID = Convert.ToInt64(expIDstr);
            }

            if (appInfo.extraInfo != null && appInfo.extraInfo.Length > 0)
            {
                // Note should have either statusVI or template pair
                // Add Option for VNCserver access
                try
                {
                    XmlQueryDoc viDoc = new XmlQueryDoc(appInfo.extraInfo);
                    statusViName = viDoc.Query("extra/status");
                    statusTemplate = viDoc.Query("extra/statusTemplate");
                    templatePath = viDoc.Query("extra/templatePath");
                }
                catch (Exception e)
                {
                    string err = e.Message;
                }
            }

            // log the experiment for debugging

            Logger.WriteLine("Experiment: " + experimentID + " Start: " + DateUtil.ToUtcString(startTime) + " \tduration: " + duration);
            long statusSpan = DateUtil.SecondsRemaining(startTime, duration);

            if (!IsLoaded(appInfo.application))
            {
                viName = LoadVI(appInfo.path, appInfo.application);
                if (false) // Check for controls first
                {
                    string[] names = new string[4];
                    object[] values = new object[4];
                    names[0] = "CouponId";
                    values[0] = expCoupon.couponId;
                    names[1] = "Passcode";
                    values[1] = expCoupon.passkey;
                    names[2] = "IssuerGuid";
                    values[2] = expCoupon.issuerGuid;
                    names[3] = "ExperimentId";
                    values[3] = experimentID;
                    SetControlValues(viName, names, values);
                }
                OpenFrontPanel(viName, true, LabViewTypes.eFPState.eVisible);
            }
            else
            {
                viName = LoadVI(appInfo.path, appInfo.application);
            }
            if (viName == null)
            {
                status = -1;
                string err = "Unable to Find: " + appInfo.path + @"\" + appInfo.application;
                Logger.WriteLine(err);
                throw new Exception(err);
            }
            // Get qualifiedName
            qualName = qualifiedName(viName);
            fullName = appInfo.path + @"\" + appInfo.application;

            status = GetVIStatus(viName);

            Logger.WriteLine("CreateLabTask - " + qualName + ": VIstatus: " + status);
            switch (status)
            {
                case -10:
                    throw new Exception("Error GetVIStatus: " + status);
                    break;
                case -1:
                    // VI not in memory
                    throw new Exception("Error GetVIStatus: " + status);

                    break;
                case 0: // eBad == 0
                    break;
                case 1: // eIdle == 1 vi in memory but not running
                    //LabViewTypes.eFPState fpState = GetFPStatus(viName);
                   //if (fpState != LabViewTypes.eFPState.eVisible)
                    //{
                        OpenFrontPanel(viName, true, LabViewTypes.eFPState.eVisible);
                    //}
                    ResetVI(viName);
                    break;
                case 2: // eRunTopLevel: this should be the LabVIEW application
                    break;
                case 3: // eRunning
                    //Unless the Experiment is reentrant it should be stopped and be reset.
                    if (!appInfo.reentrant)
                    {
                        int stopStatus = StopVI(viName);
                        if (stopStatus != 0)
                        {
                            AbortVI(viName);
                        }
                        ResetVI(viName);
                    }
                    break;
                default:
                    throw new Exception("Error GetVIStatus: unknown status: " + status);
                    break;
            }
            try
            {
                SetBounds(viName, 0, 0, appInfo.width, appInfo.height);
                Logger.WriteLine("SetBounds: " + appInfo.application);
            }
            catch (Exception sbe)
            {
                Logger.WriteLine("SetBounds exception: " + Utilities.DumpException(sbe));
            }
            SubmitAction("unlockvi", qualifiedName(viName));
            Logger.WriteLine("unlockvi Called: ");

            // Create the labTask & store in database;
            LabViewTask task = new LabViewTask();
            task.labAppID = appInfo.appID;
            task.experimentID = experimentID;
            task.groupName = groupName;
            task.startTime = startTime;
            if (duration > 0)
                task.endTime = startTime.AddTicks(duration * TimeSpan.TicksPerSecond);
            else
                task.endTime = DateTime.MinValue;
            task.Status = LabTask.eStatus.Scheduled;
            task.couponID = expTicket.couponId;
            task.storage = essService;
            task.data = task.constructTaskXml(appInfo.appID, fullName, appInfo.rev, statusViName, essService);
            long taskID = dbManager.InsertTaskLong(task);
            task.taskID = taskID;

            if ((statusTemplate != null) && (statusTemplate.Length > 0))
            {
                statusViName = CreateFromTemplate(templatePath, statusTemplate, task.taskID.ToString());
            }

            if (((essService != null) && (essService.Length > 0)))
            {
                // Create DataSourceManager to manage dataSocket connections
                DataSourceManager dsManager = new DataSourceManager();

                // set up an experiment storage handler
                ExperimentStorageProxy ess = new ExperimentStorageProxy();
                ess.OperationAuthHeaderValue = new OperationAuthHeader();
                ess.OperationAuthHeaderValue.coupon = expCoupon;
                ess.Url = essService;
                dsManager.essProxy = ess;
                dsManager.ExperimentID = experimentID;
                dsManager.AppKey = qualName;
                // Note these dataSources are written to by the application and sent to the ESS
                if ((appInfo.dataSources != null) && (appInfo.dataSources.Length > 0))
                {
                    string[] sockets = appInfo.dataSources.Split(',');
                    // Use the experimentID as the storage parameter
                    foreach (string s in sockets)
                    {
                        LVDataSocket reader = new LVDataSocket();
                        dsManager.AddDataSource(reader);
                        if (s.Contains("="))
                        {
                            string[] nv = s.Split('=');
                            reader.Type = nv[1];
                            reader.Connect(nv[0], LabDataSource.READ_AUTOUPDATE);

                        }
                        else
                        {
                            reader.Connect(s, LabDataSource.READ_AUTOUPDATE);
                        }
                    }
                }
                TaskProcessor.Instance.AddDataManager(task.taskID, dsManager);
            }

            TaskProcessor.Instance.Add(task);
            return task;
        }
コード例 #2
0
        /// <summary>
        /// Parses the appInfo and experiment ticket, inserts the task into the database, 
        /// but does not create the DataManager.
        /// </summary>
        /// <param name="appInfo"></param>
        /// <param name="expTicket"></param>
        /// <returns></returns>
        public virtual LabTask CreateLabTask(LabAppInfo appInfo, Ticket expTicket)
        {
            // set defaults
            DateTime startTime = DateTime.UtcNow;
            long experimentID = 0;

            string statusName = null;
            string statusTemplate = null;
            string templatePath = null;

            string qualName = null;
            string fullName = null;  // set defaults
            long duration = -1L;

            LabTask labTask = null;

            LabDB dbManager = new LabDB();

            ////Parse experiment payload, only get what is needed
            string payload = expTicket.payload;
            XmlQueryDoc expDoc = new XmlQueryDoc(payload);
            string essService = expDoc.Query("ExecuteExperimentPayload/essWebAddress");
            string startStr = expDoc.Query("ExecuteExperimentPayload/startExecution");
            string durationStr = expDoc.Query("ExecuteExperimentPayload/duration");
            string groupName = expDoc.Query("ExecuteExperimentPayload/groupName");
            string userName = expDoc.Query("ExecuteExperimentPayload/userName");
            string expIDstr = expDoc.Query("ExecuteExperimentPayload/experimentID");

            if ((startStr != null) && (startStr.Length > 0))
            {
                startTime = DateUtil.ParseUtc(startStr);
            }
            if ((durationStr != null) && (durationStr.Length > 0) && !(durationStr.CompareTo("-1") == 0))
            {
                duration = Convert.ToInt64(durationStr);
            }
            if ((expIDstr != null) && (expIDstr.Length > 0))
            {
                experimentID = Convert.ToInt64(expIDstr);
            }

            if (appInfo.extraInfo != null && appInfo.extraInfo.Length > 0)
            {
                // Note should have either statusVI or template pair
                // Add Option for VNCserver access
                try
                {
                    XmlQueryDoc viDoc = new XmlQueryDoc(appInfo.extraInfo);
                    statusName = viDoc.Query("extra/status");
                    statusTemplate = viDoc.Query("extra/statusTemplate");
                    templatePath = viDoc.Query("extra/templatePath");
                }
                catch (Exception e)
                {
                    string err = e.Message;
                }
            }

            // log the experiment for debugging

            Logger.WriteLine("Experiment: " + experimentID + " Start: " + DateUtil.ToUtcString(startTime) + " \tduration: " + duration);
            long statusSpan = DateUtil.SecondsRemaining(startTime, duration);
            //launchClient(experimentID, essService, appInfo);

            //factory constructs the correct LabTask object Type
            labTask = CreateLabTask();

            labTask.labAppID = appInfo.appID;
            labTask.experimentID = experimentID;
            labTask.groupName = groupName;
            labTask.startTime = startTime;
            if (duration > 0)
                labTask.endTime =  startTime.AddTicks(duration * TimeSpan.TicksPerSecond);
            else
                labTask.endTime = DateTime.MinValue;
            labTask.couponID = expTicket.couponId;
            labTask.issuerGUID = expTicket.issuerGuid;
            labTask.storage = essService;
            labTask.data = labTask.constructTaskXml(appInfo.appID, fullName, appInfo.rev, statusName, essService);
            // Create  & store the labTask in database and return an LabTask object;
            long taskID = dbManager.InsertTaskLong(labTask);
            labTask.taskID = taskID;
            return labTask;
        }