public static Boolean Update(Student s)
{
Boolean results = true;
String commareaStr = String.Empty;
Boolean result = false;
EciRequest eciReq;
using (GatewayConnection gwyConnection = new GatewayConnection(gwyHostName, gwyPort))
{
//Prepare the EciRequest
eciReq = new EciRequest();
eciReq.ServerName = StudentDB.cicsServer;
eciReq.Program = ProgramName;
eciReq.ExtendMode = EciExtendMode.EciNoExtend;
String commareaString = String.Format("{0} {1}", "M", s.ToString());
commareaString = commareaString.PadRight(CommareaLength);
//eciReq.SetCommareaData(new byte[CommareaLength]);
eciReq.SetCommareaData(ASCIIEncoding.ASCII.GetBytes(commareaString));
eciReq.UserId = "CICSUSER";
eciReq.Password = "";
Console.WriteLine("ASCII: {0}", commareaStr);
//Flow the request
if (FlowRequest(gwyConnection, eciReq))
{
byte[] commarea = eciReq.GetCommareaData();
commareaStr = Encoding.ASCII.GetString(commarea);
result = true;
Console.WriteLine("Message: {0}", commareaStr.Substring(commareaStr.Length - 40, 40));
}
}
return(results);
}
public static Student[] List(Student s)
{
Boolean results = true;
String commareaStr = String.Empty;
Boolean result = false;
EciRequest eciReq;
byte[] commarea = null;
Student[] students = null;
List <Student> list = null;
using (GatewayConnection gwyConnection = new GatewayConnection(gwyHostName, gwyPort))
{
//Prepare the EciRequest
eciReq = new EciRequest();
eciReq.ServerName = StudentDB.cicsServer;
eciReq.Program = ProgramName;
eciReq.ExtendMode = EciExtendMode.EciNoExtend;
String commareaString = String.Format("{0} {1}", "L", s.ToString());
commareaString = commareaString.PadRight(CommareaLength);
Console.WriteLine("ASCII: {0}", commareaStr);
//eciReq.SetCommareaData(new byte[CommareaLength]);
eciReq.SetCommareaData(ASCIIEncoding.ASCII.GetBytes(commareaString));
eciReq.UserId = "CICSUSER";
eciReq.Password = "";
//Flow the request
if (FlowRequest(gwyConnection, eciReq))
{
commarea = eciReq.GetCommareaData();
for (int i = 3; i < commarea.Length; i++)
{
if (commarea[i] == 0)
{
commarea[i] = 32;
}
}
commareaStr = Encoding.ASCII.GetString(commarea);
setResponse(commareaStr);
result = true;
Console.WriteLine("ASCII: {0}", commareaStr);
Console.WriteLine("Message: {0}", commareaStr.Substring(commareaStr.Length - 40, 40));
}
list = new List <Student>();
int count = (int)commarea[2];
for (int i = 0; i < count; i++)
{
list.Add(new Student(commareaStr.Substring(3 + (115 * i), 115)));
}
}
if (list.Count > 0)
{
students = list.ToArray <Student>();
}
return(students);
}
public static Student Inquire(String STUD_ID)
{
EciRequest eciReq;
//Open the Gateway connection with an infinite timeout period
//The 'using' C# construct ensures the GatewayConnection is closed
//when it goes out of scope, even if an exception is thrown
//A System.Net.SocketException will be thrown if the connection
//attempt fails, and an IBM.CTG.GatewayException will be thrown if
//an error occurs in the Gateway daemon
using (GatewayConnection gwyConnection = new GatewayConnection(gwyHostName, gwyPort))
{
//Prepare the EciRequest
eciReq = new EciRequest();
eciReq.ServerName = cicsServer;
eciReq.Program = ProgramName;
eciReq.ExtendMode = EciExtendMode.EciNoExtend;
//String commareaString = "L 999999999";
String commareaString = String.Format("{0} {1}", "I", STUD_ID);
commareaString = commareaString.PadRight(CommareaLength);
//eciReq.SetCommareaData(new byte[CommareaLength]);
eciReq.SetCommareaData(ASCIIEncoding.ASCII.GetBytes(commareaString));
//Flow the request
if (FlowRequest(gwyConnection, eciReq))
{
//Display returned COMMAREA
byte[] commarea = eciReq.GetCommareaData();
//Display as hex
// Console.Write(" HEX: ");
// for (int i = 0; i < commarea.Length; i++) {
// Console.Write("{0:x2}", commarea[i]);
// }
//Convert the byte data into a string, treating the data
//as ASCII encoded characters. This relies on the CICS program
//returning ASCII text in the COMMAREA
for (int i = 3; i < commarea.Length; i++)
{
if (commarea[i] == 0)
{
commarea[i] = 32;
}
}
commareaStr = Encoding.ASCII.GetString(commarea);
Console.WriteLine("ASCII: {0}", commareaStr);
Console.WriteLine("Message: {0}", commareaStr.Substring(commareaStr.Length - 40, 40));
}
}
Student s = new Student();
IntPtr pBuf = Marshal.StringToBSTR(commareaStr.Substring(3, Student.Size));
s = (Student)Marshal.PtrToStructure(pBuf, typeof(Student));
Marshal.FreeBSTR(pBuf);
return(s);
}
