public int Submit(GatewayDocument gatewayDoc)
{
Trace.WriteLine("Got Submission. GatewayDocument object");
if (gatewayDoc.GatewayDoc == null)
{
Trace.WriteLine("Xml Message not present. Returning 0");
return(0);
}
int response = 0;
response = gatewayDB.InsertDocument(gatewayDoc);
Trace.WriteLine("Thread is in state: " + postThread.ThreadState.ToString());
if (postThread.ThreadState == System.Threading.ThreadState.Stopped)
{
Trace.WriteLine("Starting posting thread");
postThread = new Thread(PostThread);
postThread.Start();
}
return(response);
}
public GatewayDocument GetDocument(int submissionID)
{
SqlCommand cmd = cnn.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "GetDocument";
cmd.Parameters.Add(new SqlParameter("@SubmissionID", SqlDbType.Int));
cmd.Parameters["@SubmissionID"].Value = submissionID;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
DataSet ds = new DataSet();
da.Fill(ds, "GatewayDocuments");
if (ds.Tables["GatewayDocuments"].Rows.Count == 1)
{
GatewayDocument gtwDoc = new GatewayDocument(ds.Tables["GatewayDocuments"].Rows[0]);
return(gtwDoc);
}
else
{
Trace.WriteLine("Query did not return a result");
return(null);
}
}
/// <summary>
/// Submit the document to the government gateway.
/// Returns the Xml from the GatewayServer, or an empty
/// string if nothing to submit.
/// </summary>
public string Submit(string Class,
bool UsesTestGateway,
string DocumentXml)
{
if (DocumentXml != null && DocumentXml != "")
{
GatewayDocument submission = new GatewayDocument(); // The Posting settings must be applied first.
// Assign posting settings.
submission.Url = _submissionUrl;
//... and fill in the fields ...
submission.DocumentType = Class;
submission.UsesTestGateway = UsesTestGateway;
// Stuff the XML into the document
submission.GatewayDoc = DocumentXml;
// Submit the document
XmlDocument returnDoc = GatewayServer.Submit(submission);
// return the generated Xml
return(returnDoc.OuterXml);
}
else
{
// Nothing to do
return("");
}
}
internal string CreatePollingThread(ICallback callback, // Was CallbackContainer
string CorrelationID,
string Class,
bool UsesTestGateway,
string GovTalkUrl,
string Guid,
int IntervalSeconds)
{
// Begin constructing the gateway document to poll for
GatewayDocument submission = new GatewayDocument();
//... and fill in the fields ...
submission.DocumentID = "";
submission.ApplicationID = 0;
submission.CorrelationID = CorrelationID;
submission.DocumentType = Class;
submission.IsTestMessage = false;
submission.UsesTestGateway = UsesTestGateway;
submission.RequiresAuditing = false;
submission.RequiresLogging = false;
// Only replace the default if the supplied parameter is
// not an empty string
if (GovTalkUrl != "")
{
submission.Url = GovTalkUrl;
}
/*
* Kick off a new thread; we have to be a little type un-safe here
* because of the limitations of the parameterised ThreadStart
* But that's OK because we've unforced the type in the call.
*/
ThreadParam parameters = new ThreadParam();
parameters.callback = callback;
parameters.document = submission;
parameters.Guid = Guid;
parameters.IntervalSeconds = IntervalSeconds;
Thread pollingThread = new Thread(new ParameterizedThreadStart(RunPollingThread));
pollingThread.Start(parameters);
if (_parameters.ContainsKey(Guid))
{
_parameters.Remove(Guid);
}
_parameters.Add(Guid, parameters);
// Register and reeeeee-eeeeeee-eeeeee-turn
_threadDump.Add(Guid, pollingThread);
return(Guid);
}
public XmlDocument RequestList(string CorrelationID,
string Class,
bool UsesTestGateway,
string GovTalkUrl)
{
GatewayDocument gwDoc = new GatewayDocument();
gwDoc.CorrelationID = CorrelationID;
gwDoc.UsesTestGateway = UsesTestGateway;
gwDoc.DocumentType = Class;
gwDoc.Url = GovTalkUrl;
return(GatewayServer.RequestList(gwDoc));
}
public string Delete(string CorrelationID,
string Class,
bool UsesTestGateway,
string GovTalkUrl)
{
XmlDocument DeleteResponse;
GatewayDocument gwDoc = new GatewayDocument();
gwDoc.CorrelationID = CorrelationID;
gwDoc.UsesTestGateway = UsesTestGateway;
gwDoc.DocumentType = Class;
gwDoc.Url = GovTalkUrl;
DeleteResponse = GatewayServer.Delete(gwDoc);
return(DeleteResponse.OuterXml);
}
public int UpdateDocument(GatewayDocument gatewayDoc)
{
SqlCommand cmd = cnn.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "procUpdateGatewayDocument";
cmd.Parameters.Add(new SqlParameter("@SubmissionID", SqlDbType.Int));
cmd.Parameters["@SubmissionID"].Value = gatewayDoc.SubmissionID;
cmd.Parameters.Add(new SqlParameter("@ResponseDocument", SqlDbType.Xml));
cmd.Parameters["@ResponseDocument"].Value = gatewayDoc.GatewayResponse;
cmd.Parameters.Add(new SqlParameter("@RequiresAuditing", SqlDbType.Bit));
cmd.Parameters["@RequiresAuditing"].Value = gatewayDoc.RequiresAuditing;
cmd.Parameters.Add(new SqlParameter("@NextPoll", SqlDbType.DateTime));
cmd.Parameters["@NextPoll"].Value = gatewayDoc.NextPoll;
cmd.Parameters.Add(new SqlParameter("@LastPoll", SqlDbType.DateTime));
cmd.Parameters["@LastPoll"].Value = gatewayDoc.LastPoll;
cmd.Parameters.Add(new SqlParameter("@Url", SqlDbType.NChar, 256));
cmd.Parameters["@Url"].Value = gatewayDoc.Url;
cmd.Parameters.Add(new SqlParameter("@CorrelationID", SqlDbType.NChar, 32));
cmd.Parameters["@CorrelationID"].Value = gatewayDoc.CorrelationID;
try
{
cnn.Open();
cmd.ExecuteNonQuery();
}
catch (SqlException ex)
{
Trace.WriteLine("There was an exception while adding a record to the database");
Trace.WriteLine("The exception was:");
Trace.WriteLine(ex.Message);
cnn.Close();
return(0);
}
cnn.Close();
return(1);
}
public int Submit(GatewayDocument fbiParams)
{
return(IRISGlobalVariables.CurrentServer.Submit(fbiParams));
}
static public XmlDocument RequestList(GatewayDocument gtwDoc)
{
return(PollingMessage("request", "list", gtwDoc));
}
/// <summary>
/// Allows an additional poll to be madce by the application, however if the polling
/// </summary>
/// <param name="gtwDoc"></param>
/// <returns></returns>
static public XmlDocument Poll(GatewayDocument gtwDoc)
{
return(PollingMessage("poll", "submit", gtwDoc));
}
/// <summary>
/// Sends a delete request to the gateway specified in gtwDoc.Url, the gtwDoc must have a valid
/// correlation identifier (i.e. it must be in the gateway somwhere.
/// </summary>
/// <param name="gtwDoc">The full assembled gateway document object</param>
/// <returns>The reposnse receoived from the gateway, this will usually be the
/// deleteion ackowledgement</returns>
static public XmlDocument Delete(GatewayDocument gtwDoc)
{
return(PollingMessage("request", "delete", gtwDoc));
}
/// <summary>
/// Subit the prepared document to the gateway specified in gtwDoc.Url
/// </summary>
/// <param name="gtwDoc">The full assembled gateway document object</param>
/// <returns>Tne response message provided by the gateway, this will usually be
/// the initial submission ackowledgement</returns>
static public XmlDocument Submit(GatewayDocument gtwDoc)
{
return(PostToGateway(gtwDoc.GatewayDoc, gtwDoc.Url));
}
static private XmlDocument PollingMessage(string strQualifier, string strFunction, GatewayDocument gtwDoc)
{
// Polling messages like Poll or Delete are pretty basic, so we build them on the fly
// and use the same template for both
XmlDocument messageDoc = new XmlDocument();
XmlDeclaration xmldecl = messageDoc.CreateXmlDeclaration("1.0", null, null);
XmlNode root = messageDoc.CreateElement("GovTalkMessage");
messageDoc.AppendChild(root);
messageDoc.InsertBefore(xmldecl, root);
XmlNode currentNode = root;
((XmlElement)currentNode).SetAttribute("xmlns", "http://www.govtalk.gov.uk/CM/envelope");
currentNode = messageDoc.CreateElement("EnvelopeVersion");
currentNode.InnerText = "2.0";
root.AppendChild(currentNode);
XmlNode headerNode;
XmlNode parentNode;
headerNode = messageDoc.CreateElement("Header");
parentNode = root.AppendChild(headerNode);
currentNode = messageDoc.CreateElement("MessageDetails");
parentNode = parentNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("Class");
currentNode.InnerText = gtwDoc.DocumentType;
parentNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("Qualifier");
currentNode.InnerText = strQualifier;
parentNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("Function");
currentNode.InnerText = strFunction;
parentNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("CorrelationID");
currentNode.InnerText = gtwDoc.CorrelationID;
parentNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("Transformation");
currentNode.InnerText = "XML";
parentNode.AppendChild(currentNode);
if (gtwDoc.UsesTestGateway)
{
currentNode = messageDoc.CreateElement("GatewayTest");
currentNode.InnerText = "1";
parentNode.AppendChild(currentNode);
}
currentNode = messageDoc.CreateElement("SenderDetails");
parentNode = headerNode.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("GovTalkDetails");
root = root.AppendChild(currentNode);
currentNode = messageDoc.CreateElement("Keys");
root.AppendChild(currentNode);
root = root.ParentNode;
currentNode = messageDoc.CreateElement("Body");
root.AppendChild(currentNode);
// JAY - Debug method for testing generated polling message
//StreamWriter writer = new StreamWriter(
// string.Format("{0}\\{1}",
// Environment.GetFolderPath(Environment.SpecialFolder.Desktop),
// "out.xml"));
//writer.Write(messageDoc.OuterXml);
//writer.Close();
return(PostToGateway(messageDoc.OuterXml, gtwDoc.Url));
}
public int InsertDocument(GatewayDocument gatewayDoc)
{
SqlCommand cmd = cnn.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "procInsertGatewayDocument";
cmd.Parameters.Add(new SqlParameter("@DocumentID", SqlDbType.NChar, 20));
cmd.Parameters["@DocumentID"].Value = gatewayDoc.DocumentID;
cmd.Parameters.Add(new SqlParameter("@ApplicationID", SqlDbType.Int));
cmd.Parameters["@ApplicationID"].Value = gatewayDoc.ApplicationID;
cmd.Parameters.Add(new SqlParameter("@SubmittedDocument", SqlDbType.Xml));
cmd.Parameters["@SubmittedDocument"].Value = gatewayDoc.GatewayDoc;
cmd.Parameters.Add(new SqlParameter("@DocumentType", SqlDbType.NChar, 20));
cmd.Parameters["@DocumentType"].Value = gatewayDoc.DocumentType;
cmd.Parameters.Add(new SqlParameter("@IsTestMessage", SqlDbType.Bit));
cmd.Parameters["@IsTestMessage"].Value = gatewayDoc.IsTestMessage;
cmd.Parameters.Add(new SqlParameter("@UsesTestGateway", SqlDbType.Bit));
cmd.Parameters["@UsesTestGateway"].Value = gatewayDoc.UsesTestGateway;
cmd.Parameters.Add(new SqlParameter("@RequiresAuditing", SqlDbType.Bit));
cmd.Parameters["@RequiresAuditing"].Value = gatewayDoc.RequiresAuditing;
cmd.Parameters.Add(new SqlParameter("@RequiresLogging", SqlDbType.Bit));
cmd.Parameters["@RequiresLogging"].Value = gatewayDoc.RequiresLogging;
cmd.Parameters.Add(new SqlParameter("@NextPoll", SqlDbType.DateTime));
cmd.Parameters["@NextPoll"].Value = gatewayDoc.NextPoll;
cmd.Parameters.Add(new SqlParameter("@Url", SqlDbType.NChar, 256));
cmd.Parameters["@Url"].Value = gatewayDoc.Url;
cmd.Parameters.Add(new SqlParameter("@SubmissionID", SqlDbType.Int));
cmd.Parameters["@SubmissionID"].Direction = ParameterDirection.Output;
try
{
cnn.Open();
cmd.ExecuteNonQuery();
}
catch (SqlException ex)
{
Trace.WriteLine("There was an exception while adding a record to the database");
Trace.WriteLine("The exception was:");
Trace.WriteLine(ex.Message);
cnn.Close();
return(0);
}
cnn.Close();
string submissionID = cmd.Parameters["@SubmissionID"].Value.ToString();
Trace.WriteLine("Added GatewayDocument to Database with ID " + submissionID);
return(int.Parse(submissionID));
}
/// <summary>
/// Provides the meat of the polling mechanism.
/// </summary>
internal static void RunPollingThread(object Parameters)
{
try
{
// Prepare the thread for execution
ICallback callback = ((ThreadParam)Parameters).callback;
GatewayDocument gwDoc = ((ThreadParam)Parameters).document;
if (callback == null)
{
// MAG Removing Event Log Stuff _eventLog.WriteEntry(string.Format("Callback is null"));
return;
}
int interval = ((ThreadParam)Parameters).IntervalSeconds;
// Make sure the thread is always running, occasionally sleeping
XmlDocument returnDoc;
bool threadRunning = true;
do
{
// Check for redirection information
foreach (PollingParameters param in _messages)
{
if (param.Guid == ((ThreadParam)Parameters).Guid)
{
// rather than using the Parameters paramerter, should we be using the param for the test,
// so the thread actually stops?
if (param.Url == "" && param.IntervalSeconds < 0)
{
threadRunning = false;
_messages.Remove(param);
return;
}
// Will redirect to the first message in the queue, then delete it
((ThreadParam)Parameters).document.Url = param.Url;
interval = ((ThreadParam)Parameters).IntervalSeconds;
_messages.Remove(param);
break;
}
}
// Poll...
returnDoc = GatewayServer.Poll(gwDoc);
if (returnDoc == null)
{
}
else
{
// A response has been received, so check the message for any redirection or poll interval changes, and
// implement those changes
XmlNodeList ResponseParams = returnDoc.GetElementsByTagName("ResponseEndPoint");
try
{
// Get the polling interval and set out internal timer, and the interval in the thread parameters
interval = Convert.ToInt32(ResponseParams[0].Attributes["PollInterval"].InnerText);
}
catch (Exception)
{
interval = 60; // the default
}
try
{
// Now redirect as well
((ThreadParam)Parameters).document.Url = ResponseParams[0].InnerText;
}
catch (Exception)
{
// Nothing to do leave it as it is
}
// Invoke the callback
callback.Response(returnDoc.InnerXml);
}
// Pause until the next polling period
Thread.Sleep(interval * 1000);
} while (threadRunning);
}
catch (Exception ex)
{
throw (ex);
}
}
