//---------------------------------------------------------------------------------------//
private void ParseLabConfiguration(LabClientSession labClientSession, string xmlLabConfiguration)
{
const string STRLOG_MethodName = "ParseLabConfiguration";
Logfile.WriteCalled(STRLOG_ClassName, STRLOG_MethodName);
try
{
Logfile.Write(STRLOG_LoadingLabConfiguration);
//
// Load the lab configuration from an XML string
//
XmlDocument xmlDocument = XmlUtilities.GetXmlDocument(xmlLabConfiguration);
//
// Save a copy of the lab configuration XML node
//
XmlNode xmlNode = XmlUtilities.GetXmlRootNode(xmlDocument, Consts.STRXML_labConfiguration);
XmlNode xmlNodeLabConfiguration = xmlNode.Clone();
labClientSession.xmlNodeLabConfiguration = xmlNodeLabConfiguration;
Logfile.Write(STRLOG_ParsingLabConfiguration);
//
// Get information from the lab configuration node
//
labClientSession.bannerTitle = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXMLPARAM_title, false);
labClientSession.statusVersion = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXMLPARAM_version, false);
labClientSession.navmenuPhotoUrl = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXML_navmenuPhoto_image, false);
labClientSession.labCameraUrl = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXML_labCamera_url, true);
labClientSession.labInfoText = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXML_labInfo_text, true);
labClientSession.labInfoUrl = XmlUtilities.GetXmlValue(xmlNodeLabConfiguration, Consts.STRXML_labInfo_url, true);
Logfile.Write(STRLOG_Title + labClientSession.bannerTitle);
Logfile.Write(STRLOG_Version + labClientSession.statusVersion);
Logfile.Write(STRLOG_PhotoUrl + labClientSession.navmenuPhotoUrl);
Logfile.Write(STRLOG_LabCameraUrl + labClientSession.labCameraUrl);
Logfile.Write(STRLOG_LabInfoText + labClientSession.labInfoText);
Logfile.Write(STRLOG_LabInfoUrl + labClientSession.labInfoUrl);
//
// These are mandatory
//
xmlNode = XmlUtilities.GetXmlNode(xmlNodeLabConfiguration, Consts.STRXML_configuration, false);
labClientSession.xmlNodeConfiguration = xmlNode.Clone();
xmlNode = XmlUtilities.GetXmlNode(xmlNodeLabConfiguration, Consts.STRXML_experimentSpecification, false);
labClientSession.xmlNodeSpecification = xmlNode.Clone();
//
// These are optional and depend on the LabServer implementation
//
xmlNode = XmlUtilities.GetXmlNode(xmlNodeLabConfiguration, Consts.STRXML_validation, true);
if (xmlNode != null)
{
labClientSession.xmlNodeValidation = xmlNode.Clone();
}
}
catch (Exception ex)
{
Logfile.WriteError(ex.Message);
throw;
}
Logfile.WriteCompleted(STRLOG_ClassName, STRLOG_MethodName);
}
//---------------------------------------------------------------------------------------//
protected void Page_Init(object sender, EventArgs e)
{
const string STRLOG_MethodName = "Page_Init";
Logfile.WriteCalled(STRLOG_ClassName, STRLOG_MethodName);
//
// This method gets called before any other Page_Init() or Page_Load() methods.
//
//
// Get query string values for coupon ID and passkey
//
string query = Request.Url.Query;
string queryCouponId = HttpUtility.ParseQueryString(query).Get(Consts.STRQRY_CouponID);
string queryPasskey = HttpUtility.ParseQueryString(query).Get(Consts.STRQRY_Passkey);
//
// Check if this is new LabClient session
//
if (Session[Consts.STRSSN_LabClient] != null && queryCouponId != null)
{
//
// Remove the existing session because this is a new LabClient launch
//
Logfile.Write(STRLOG_SessionExistsRemovingSession);
Session.Remove(Consts.STRSSN_LabClient);
}
if (Session[Consts.STRSSN_LabClient] == null)
{
if (queryCouponId == null)
{
//
// Session has timed out
//
Logfile.Write(STRLOG_SessionNotExist);
Response.Redirect(Consts.STRURL_Expired);
}
//
// Carry out one-time initialisation for all LabClient instances
//
Logfile.Write(STR_Initialising);
//
// Log the caller's IP address and hostname
//
HttpRequest httpRequest = this.Request;
string logMessage = STRLOG_UserHostAddress + httpRequest.UserHostAddress +
Logfile.STRLOG_Spacer + STRLOG_UserHostName;
try
{
IPHostEntry ipHostEntry = Dns.GetHostEntry(httpRequest.UserHostAddress);
logMessage += ipHostEntry.HostName;
}
catch
{
logMessage += STRLOG_CannotResolveToHostName;
}
Logfile.Write(logMessage);
//
// Get query string values - the query string parameters are NOT case-sensensitive (good)
//
string queryServiceUrl = HttpUtility.ParseQueryString(query).Get(Consts.STRQRY_ServiceURL);
string queryLabServerId = HttpUtility.ParseQueryString(query).Get(Consts.STRQRY_LabServerID);
string queryMultiSubmit = HttpUtility.ParseQueryString(query).Get(Consts.STRQRY_MultiSubmit);
//
// Create a LabClient session information instance
//
LabClientSession labClientSession = new LabClientSession();
//
// Create ServiceBroker interface with authorisation information
//
LabClientToSbAPI serviceBroker = new LabClientToSbAPI(queryCouponId, queryPasskey, queryServiceUrl, queryLabServerId);
labClientSession.labClientToSbAPI = serviceBroker;
//
// Get the lab status and lab configuration
//
try
{
//
// Get the lab status
//
Logfile.Write(STRLOG_GettingLabStatus);
LabStatus labStatus = serviceBroker.GetLabStatus();
logMessage = STRLOG_Online + labStatus.online.ToString() +
Logfile.STRLOG_Spacer + STRLOG_LabStatusMessage + labStatus.labStatusMessage;
Logfile.Write(logMessage);
//
// Get the XML lab configuration string
//
Logfile.Write(STRLOG_GettingLabConfiguration);
string xmlLabConfiguration = serviceBroker.GetLabConfiguration();
if (xmlLabConfiguration != null)
{
// Save information from the lab configuration string
ParseLabConfiguration(labClientSession, xmlLabConfiguration);
}
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
Logfile.Write(ex.InnerException.Message);
}
else
{
Logfile.WriteError(ex.Message);
}
}
//
// Get feedback email URL
//
labClientSession.mailtoUrl = STR_MailTo + Utilities.GetAppSetting(Consts.STRCFG_FeedbackEmail);
//
// Determine if multiple submission is enabled
//
try
{
if (queryMultiSubmit == null)
{
//
// Querystring parameter is not specified, try getting it from the application's configuration file
//
labClientSession.multiSubmit = Convert.ToBoolean(Utilities.GetAppSetting(Consts.STRCFG_MultiSubmit));
}
else
{
labClientSession.multiSubmit = Convert.ToBoolean(queryMultiSubmit);
}
}
catch
{
labClientSession.multiSubmit = false;
}
Logfile.Write(STRLOG_MultiSubmit + labClientSession.multiSubmit.ToString());
Session[Consts.STRSSN_LabClient] = labClientSession;
}
Logfile.WriteCompleted(STRLOG_ClassName, STRLOG_MethodName);
}