/// <summary>
/// Reads Xml from given stream and retrieves incoming messages or delivery reports
/// within the XML document. The Messages or DeliveryReport are stored in the IncomingMessages
/// or DeliveryReports collection.
/// </summary>
/// <param name="inStream"></param>
/// <param name="outStream"></param>
public void HandleIncomingMessages(Stream inStream, Stream outStream)
{
ReceivedMessages.Clear();
DeliveryReports.Clear();
XmlDocument docRequest = new XmlDocument();
XmlLocalResolver res = new XmlLocalResolver();
XmlEmbeddedResourceResolver res2 = new XmlEmbeddedResourceResolver();
docRequest.XmlResolver = res2;
docRequest.Load(inStream);
XmlDocument docResponse = CheckRequest(docRequest);
string sResponse = "<?xml version=\"1.0\"?>\n" + docResponse.OuterXml;
StreamWriter sw = new StreamWriter(outStream, System.Text.Encoding.GetEncoding("ISO-8859-1"));
sw.Write(sResponse);
sw.Flush();
outStream.Flush();
}
/// <summary>
/// Check request for IncomingMessages/DeliveryReports from Gateway,
/// update Message collection or DeliveryReport collection
/// </summary>
/// <param name="doc">XmlDocument containing request from gateway</param>
private XmlDocument CheckRequest(XmlDocument doc)
{
XmlDocument docResponse = new XmlDocument();
XmlNode nodMsgList = doc.SelectSingleNode("MSGLST");
if (nodMsgList != null)
{
// Loop through msg list
foreach (XmlNode n in nodMsgList.ChildNodes)
{
if (n.NodeType == XmlNodeType.Element && n.Name.Equals("MSG"))
{
string id = GetNodeValue(n, "ID");
int i = int.Parse(id);
// is this delivery report or incoming msg?
string state = GetNodeValue(n, "STATE");
if (state == null)
{
// Incoming Message
ReceivedMessages.Add(i, new Message());
ReceivedMessages[i].Text = GetNodeValue(n, "TEXT");
ReceivedMessages[i].SenderNumber = GetNodeValue(n, "SND");
ReceivedMessages[i].ReceiverNumber = GetNodeValue(n, "RCV");
ReceivedMessages[i].Network = GetNodeValue(n, "NET");
ReceivedMessages[i]._Address = GetNodeValue(n, "ADDRESS");
// Check if position data is included
XmlNode nodPosition = n.SelectSingleNode("POSITION");
if (nodPosition != null)
{
// Get position request results
ReceivedMessages[i]._Position = new PositionResult();
switch (GetNodeValue(nodPosition, "STATUS"))
{
case "OK":
ReceivedMessages[i]._Position._Status = PositionRequestStatus.Ok;
XmlNode nodPosData = nodPosition.SelectSingleNode("POS");
if (nodPosData != null)
{
ReceivedMessages[i]._Position._PositionData = new GSMPosition();
ReceivedMessages[i]._Position._PositionData._Latitude = GetNodeValue(nodPosData, "LATITUDE");
ReceivedMessages[i]._Position._PositionData._Longitude = GetNodeValue(nodPosData, "LONGITUDE");
ReceivedMessages[i]._Position._PositionData._City = GetNodeValue(nodPosData, "CITY");
ReceivedMessages[i]._Position._PositionData._Council = GetNodeValue(nodPosData, "COUNCIL");
ReceivedMessages[i]._Position._PositionData._CouncilNumber = GetNodeValue(nodPosData, "COUNCILNUMBER", "").Equals("") ? -1 : int.Parse(GetNodeValue(nodPosData, "COUNCILNUMBER"));
ReceivedMessages[i]._Position._PositionData._County = GetNodeValue(nodPosData, "COUNTY");
ReceivedMessages[i]._Position._PositionData._Place = GetNodeValue(nodPosData, "PLACE");
ReceivedMessages[i]._Position._PositionData._Radius = GetNodeValue(nodPosData, "RADIUS", "").Equals("") ? -1 : int.Parse(GetNodeValue(nodPosData, "RADIUS"));
ReceivedMessages[i]._Position._PositionData._SubPlace = GetNodeValue(nodPosData, "SUBPLACE");
ReceivedMessages[i]._Position._PositionData._ZipCode = GetNodeValue(nodPosData, "ZIPCODE", "").Equals("") ? -1 : int.Parse(GetNodeValue(nodPosData, "ZIPCODE"));
}
break;
default:
ReceivedMessages[i]._Position._Status = PositionRequestStatus.Failed;
ReceivedMessages[i]._Position._FailedReason = GetNodeValue(nodPosition, "INFO");
break;
}
}
}
else
{
DeliveryReports.Add(i, new DeliveryReport());
DeliveryReports[i].State = GetNodeValue(n, "STATE");
DeliveryReports[i].Reference = GetNodeValue(n, "REF");
DeliveryReports[i].ReceiverNumber = GetNodeValue(n, "RCV");
string sDeliveryTime = GetNodeValue(n, "DELIVERYTIME");
if (sDeliveryTime != null && sDeliveryTime.Length > 0)
{
DeliveryReports[i].DeliveredDate = Convert.ToDateTime(sDeliveryTime);
}
}
}
}
// Build Response
XmlElement elmMsgList = docResponse.CreateElement("MSGLST");
foreach (int i in ReceivedMessages.Keys)
{
XmlElement elmMsg = docResponse.CreateElement("MSG");
elmMsg.AppendChild(CreateElement(docResponse, "ID", i.ToString()));
elmMsg.AppendChild(CreateElement(docResponse, "STATUS", "OK"));
elmMsgList.AppendChild(elmMsg);
}
foreach (int i in DeliveryReports.Keys)
{
XmlElement elmMsg = docResponse.CreateElement("MSG");
elmMsg.AppendChild(CreateElement(docResponse, "ID", i.ToString()));
elmMsg.AppendChild(CreateElement(docResponse, "STATUS", "OK"));
elmMsgList.AppendChild(elmMsg);
}
docResponse.AppendChild(elmMsgList);
}
return(docResponse);
}
