public FileWatcherDataSource CreateBeeDataSource(Coupon expCoupon, LabTask task, string recordType, bool flushFile)
{
string outputDir = ConfigurationManager.AppSettings["chamberOutputDir"];
string outputFile = ConfigurationManager.AppSettings["chamberOutputFile"];
string filePath = outputDir + @"\" + outputFile;
// Stop the controller and flush the data file
if (flushFile)
{
//Flush the File
FileInfo fInfo = new FileInfo(filePath);
using (FileStream inFile = fInfo.Open(FileMode.Truncate)) { }
}
string pushChannel = ChecksumUtil.ToMD5Hash("BEElab" + task.experimentID);
//Add BEElab specific attributes
BeeEventHandler bEvt = new BeeEventHandler(expCoupon, task.experimentID, task.storage,
recordType, ProcessAgentDB.ServiceGuid);
bEvt.PusherChannel = pushChannel;
//DataSourceManager dsManager = TaskProcessor.Instance.GetDataManager(task.taskID);
FileWatcherDataSource fds = new FileWatcherDataSource();
fds.Path = outputDir;
fds.Filter = outputFile;
fds.AddFileSystemEventHandler(bEvt.OnChanged);
//dsManager.AddDataSource(fds);
//fds.Start();
return fds;
}
protected void Page_Load(object sender, System.EventArgs e)
{
LabDB dbManager = new LabDB();
int appID = 0;
long expID = 0;
LabTask task = null;
string pageURL = null;
// Query values from the request
string appKey = Request.QueryString["app"];
string coupon_Id = Request.QueryString["coupon_id"];
string passkey = Request.QueryString["passkey"];
string issuerGUID = Request.QueryString["issuer_guid"];
string returnTarget = Request.QueryString["sb_url"];
if ((returnTarget != null) && (returnTarget.Length > 0))
Session["returnURL"] = returnTarget;
Logger.WriteLine("BEElab: " + Request.Url.ToString());
// this should be the Experiment Coupon data
if (!(passkey != null && passkey != "" && coupon_Id != null && coupon_Id != "" && issuerGUID != null && issuerGUID != ""))
{
Logger.WriteLine("BEElab: " + "AccessDenied missing Experiment credentials");
Response.Redirect("AccessDenied.aspx?text=missing+Experiment+credentials.", true);
}
long expCoupId = Convert.ToInt64(coupon_Id);
Coupon expCoupon = new Coupon(issuerGUID, expCoupId, passkey);
//Check the database for ticket and coupon, if not found Redeem Ticket from
// issuer and store in database.
//This ticket should include group, experiment id and be valid for this moment in time??
Ticket expTicket = dbManager.RetrieveAndVerify(expCoupon, TicketTypes.EXECUTE_EXPERIMENT);
if (expTicket != null)
{
if (expTicket.IsExpired())
{
Response.Redirect("AccessDenied.aspx?text=The ExperimentExecution+ticket+has+expired.", true);
}
////Parse experiment payload, only get what is needed
string payload = expTicket.payload;
XmlQueryDoc expDoc = new XmlQueryDoc(payload);
string tzStr = expDoc.Query("ExecuteExperimentPayload/userTZ");
if ((tzStr != null) && (tzStr.Length > 0))
Session["userTZ"] = tzStr;
string groupName = expDoc.Query("ExecuteExperimentPayload/groupName");
Session["groupName"] = groupName;
string sbStr = expDoc.Query("ExecuteExperimentPayload/sbGuid");
string essUrl = expDoc.Query("ExecuteExperimentPayload/essWebAddress");
expID = Convert.ToInt64(expDoc.Query("ExecuteExperimentPayload/experimentID"));
Session["brokerGUID"] = sbStr;
//Get Lab specific info for this URL or group
LabAppInfo appInfo = null;
// Experiment is specified by 'app=appKey'
if (appKey != null && appKey.Length > 0)
{
appInfo = dbManager.GetLabApp(appKey);
}
else // Have to use groupName & Servicebroker THIS REQUIRES groups & permissions are set in database
{ // This is no longer the case as the USS handles groups and permissions
appInfo = dbManager.GetLabAppForGroup(groupName, sbStr);
}
if (appInfo == null)
{
Response.Redirect("AccessDenied.aspx?text=Unable+to+find+application+information,+please+notify+your+administrator.", true);
}
// Check to see if an experiment with this ID is already running
// Check for an existing task for this experiment
// If found redirect to the graph page, do not abort running controller program
LabTask.eStatus status = dbManager.ExperimentStatus(expID, sbStr);
if (status == LabTask.eStatus.NotFound)
{
// Check for existing tasks that may be using resources
// For now only close other instances of the lab
List<LabTask> curTasks = TaskProcessor.Instance.GetTasks(appInfo.appID);
if (curTasks != null && curTasks.Count > 0)
{
foreach (LabTask t in curTasks)
{
DataSourceManager dsManager = TaskProcessor.Instance.GetDataManager(t.taskID);
if (dsManager != null)
{
// Need to close existing data Sources
TaskProcessor.Instance.Remove(t);
t.Close();
}
}
}
// Create a new Experiment task
// Use taskFactory to create a new task
LabTaskFactory factory = new LabTaskFactory();
task = factory.CreateLabTask(appInfo, expCoupon, expTicket);
if (task != null)
{
string filePath = "c:\\logs\\Campbell\\LoggerNet";
string fileName = "CECI-CR10X_final_storage_1.dat";
// Stop the controller and flush the data file
//Flush the File
FileInfo fInfo = new FileInfo(filePath +"\\" + fileName);
using (FileStream inFile = fInfo.Open(FileMode.Truncate)) { }
string pushChannel = ChecksumUtil.ToMD5Hash("BEElab" + expID);
//Add BEElab specific attributes
BeeEventHandler bEvt = new BeeEventHandler(expCoupon,expID,essUrl,
"data",ProcessAgentDB.ServiceGuid);
bEvt.PusherChannel = pushChannel;
DataSourceManager dsManager = TaskProcessor.Instance.GetDataManager(task.taskID);
FileWatcherDataSource fds = new FileWatcherDataSource();
fds.Path = filePath;
fds.Filter = fileName;
fds.AddFileSystemEventHandler(bEvt.OnChanged);
dsManager.AddDataSource(fds);
fds.Start();
//Useful for debugging overloads the use of a field in the banner
//Session["GroupName"] = "TaskID: " + task.taskID.ToString();
//Utilities.WriteLog("TaskXML: " + task.taskID + " \t" + task.data);
////Construct the information to be passed to the target page
//TimeSpan taskDur = task.endTime - task.startTime;
//string vipayload = LabTask.constructSessionPayload(appInfo,
// task.startTime, taskDur.Ticks / TimeSpan.TicksPerSecond, task.taskID,
// returnTarget, null, null);
////Utilities.WriteLog("sessionPayload: " + payload);
////Store Session information
//Session["payload"] = vipayload;
//if (appInfo.rev != null && appInfo.rev.Length > 0)
//{
// Session["lvversion"] = appInfo.rev;
//}
//else
//{
// Session.Remove("lvversion");
//}
//set Presentation page tp appPage
pageURL = appInfo.page;
}
else
{
Response.Redirect("AccessDenied.aspx?text=Unable+to+launch++application,+please+notify+your+administrator.", true);
}
}
else
{ // An existing Experiment
task = TaskProcessor.Instance.GetTask(expID, sbStr);
if (task.data != null)
{
XmlQueryDoc taskDoc = new XmlQueryDoc(task.data);
pageURL = taskDoc.Query("task/application");
}
if (pageURL == null || pageURL.Length == 0)
{
pageURL = appInfo.page;
}
}
}
if(pageURL != null && pageURL.Length >0){
StringBuilder buf = new StringBuilder(pageURL + "?expid=" + expID);
Session["opCouponID"] = coupon_Id;
Session["opPasscode"] = passkey;
Session["opIssuer"] = issuerGUID;
buf.Append("&coupon_id=" + coupon_Id);
buf.Append("&passkey=" + passkey);
buf.Append("&issuer_guid=" + issuerGUID);
buf.Append("&sb_url=" + returnTarget );
Response.Redirect(buf.ToString(), true);
}
else{
Response.Redirect("AccessDenied.aspx?text=Unable+to+launch++application,+please+notify+your+administrator.", true);
}
}