static CheDaoInterface create(LocalChePackage p)
{
Trace.WriteLineIf(Program.trace_sw.TraceVerbose, String.Format("incomming package {0:d} {1:s}", p.msg_type, p.rawXML), "message");
if (p.msg_type == CheDaoInterface.data_validation)
{
Invoice_Request_Count++;
return(CheRequest.create(p.rawXML, p.time_ticks));
}
if (p.msg_type == CheDaoInterface.scan_print || p.msg_type == CheDaoInterface.manual_print)
{
Print_Request_Count++;
return(ChePrintRequest.create(p.msg_type, p.rawXML, p.time_ticks));
}
if (p.msg_type == CheDaoInterface.print_confirm)
{
Print_Act_Count++;
return(ChePActionRequest.create(p.rawXML, p.time_ticks));//it is just a string
}
if (p.msg_type == CheDaoInterface.delete_cmd)
{
Print_Act_Count++;
return(CheDeleteActionRequest.create(p.rawXML, p.time_ticks));//it is just a string
}
return(new SimpleRequest(p.msg_type));
}
public static ChePrintRequest create(int msg_type, string str, long create_time)
{
XmlDocument doc = new XmlDocument();
XmlSerializer xmlSerializer = new XmlSerializer(typeof(ChePrintRequest));
try
{
ChePrintRequest o = (ChePrintRequest)xmlSerializer.Deserialize(new StringReader(str));
o.message_type = msg_type;
o.create_time = create_time;
return(o);
}
catch (Exception e)
{
Trace.WriteLineIf(Program.trace_sw.TraceError, "decode XML error " + e.ToString());
return(null);
}
}
/**
* make sure the function is re-entriable.
**/
static CheDaoInterface _HandlePackage(LocalChePackage p)
{
CheDaoInterface msg = create(p);
if (msg != null)
{
switch (msg.message_type)
{
case CheDaoInterface.data_validation:
lock (mPendingList)
{
CheRequest item = (CheRequest)msg;
try
{
//put to pending list
mPendingList.Add(item.Order_Number, item);
}
catch (Exception e)
{
Trace.WriteLineIf(Program.trace_sw.TraceError, "Insert CheRequest Failed, maybe the key already exist " + e.Message, "error");
msg.Result = 2; //2:其它不符;
}
}
break;
case CheDaoInterface.clean_cmd: //delete the item one hour later
int bypass_counter = 0;
lock (mPendingList)
{
Dictionary <String, CheRequest> newPendingList = new Dictionary <String, CheRequest>();
foreach (String str in mPendingList.Keys)
{
CheRequest c_item = mPendingList[str];
DateTime c_date = new DateTime(c_item.create_time);
if (c_date.AddMinutes(AppConfig.GetLifeTimeOfRec()) > DateTime.Now)
{
newPendingList.Add(str, c_item);
}
else
{
bypass_counter++;
}
}
mPendingList = newPendingList;
}
Trace.WriteLineIf(Program.trace_sw.TraceVerbose, "clean up the internal cache and bypass " + bypass_counter.ToString());
break;
case CheDaoInterface.scan_print:
case CheDaoInterface.manual_print:
lock (mPendingList)
{
ChePrintRequest p_item = (ChePrintRequest)msg;
if (mPendingList.ContainsKey(p_item.Order_Number))
{
CheRequest w_item = mPendingList[p_item.Order_Number];
mPendingList.Remove(p_item.Order_Number);
Program.NewRequest(w_item); // to be print
}
else
{
Trace.WriteLineIf(Program.trace_sw.TraceError, "invalide print request, no key exist", "error");
msg.Result = 2; //2:已开票;
}
}
break;
case CheDaoInterface.print_confirm:
Program.NewRequest(msg); //internal message
break;
case CheDaoInterface.delete_cmd:
Program.NewRequest(msg); //internal message
break;
default:
msg = null;
break;
}
try
{
lock (bk_stream)
{
if (msg != null)
{
p.save(bk_stream); // just save the valid msg
}
}
}
catch (Exception e)
{
save_error_count++;
Trace.WriteLineIf(Program.trace_sw.TraceError, "Write backup stream failed " + e.Message, "error");
}
}
return(msg);
}
private byte[] GenInvoicePackage()
{
CheRequest req = new CheRequest();
String order_no = "RND"+ new Random().Next().ToString() ;
req.Order_Number = order_no;
req.Print_Number = "PR" + order_no;
req.Product_Code = "94";
req.Product_Price = "4.5";
req.Product_Number = "10";
req.Customer_Text = "中国石化";
req.Amount = "100";
req.LicenseNumber = "粤AXX434";
req.Time = DateTime.Now.ToString();
req.Pump_Number = "3";
ChePrintRequest p_req = new ChePrintRequest();
p_req.Order_Number = order_no;
p_req.Print_Type = "1";
byte[] res = GenerateBytes(1, req);
byte[] rsp = GenerateBytes(2, p_req);
InvoiceList.Add(rsp);
return res;
}