public CC_EnviR_Converse(IUtilityLog log)
: base(log, null)
{
// don't bother with ConversationLoader - it is a very simple pattern
// below creates the conversation definition
Conversation conv = new Conversation(this, "CC_EnviR_Receive", log);
Conversations.Add(conv);
Message message = new Message(conv, MessageType.Find, "");
Literal literal = new Literal(Element.StringToHex("<msg>", " "), conv);
message.Elements.Add(literal);
conv.Messages.Add(message);
message = new Message(conv, MessageType.ExtractDynamic, "");
DynamicByteVar variable = new DynamicByteVar("DATA", 10000, conv);
Variables.Add(variable);
UseVariable useVar = new UseVariable(conv, "DATA");
message.Elements.Add(useVar);
literal = new Literal(Element.StringToHex("</msg>", " "), conv);
message.Elements.Add(literal);
conv.Messages.Add(message);
}
public void LoadConversation(Converse session, Conversation conv)
{
MessageType messageType = MessageType.Read;
Message curMessage = null;
String message = GetNextCommand();
while (message.Length > 0)
{
// check for start of new conversation
if (message[0] == ':')
break;
message = message.ToUpper();
char msgType = message[0];
if (msgType == 'R')
{
messageType = MessageType.Read;
}
else if (msgType == 'F')
{
messageType = MessageType.Find;
}
else if (msgType == 'E')
{
messageType = MessageType.Extract;
}
else if (msgType == 'S')
{
messageType = MessageType.Send;
}
/*
if (messageType == MessageType.Extract)
{
if (curMessage == null || curMessage.MessageType == MessageType.Send)
throw new Exception("Extract must follow Receive message");
}
*/
curMessage = new Message(conv, messageType, "");
conv.Messages.Add(curMessage);
curMessage.ParseMessage(message.Substring(1).Trim());
message = GetNextCommand();
}
}
private Message LoadMessage(Conversation conv, MessageSettings settings)
{
MessageType type = settings.Type;
if (type == MessageType.ValueCount)
return null;
Message message = new Message(conv, type, settings.Name);
foreach (MessageSettings.ElementListValue element in settings.ElementList)
{
if (element.Type == "BYTE")
{
if (element.ValueString != null)
{
message.Elements.Add(new Literal(element.ValueString, conv, element.ExcludeFromChecksum));
}
else
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
if (element.SizeName != null)
{
try
{
ByteVar sizeVar = (ByteVar)conv.GetVariable(element.SizeName);
sizeVar.AddResizeVariable((ByteVar)useVar.Variable);
}
catch (Exception) // exceptions are caused by incorrect element types - both must be ByteVar
{
}
}
}
}
else if (element.Type == "DYNAMICBYTE")
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
if (element.SizeName != null)
{
try
{
ByteVar sizeVar = (ByteVar)conv.GetVariable(element.SizeName);
sizeVar.AddResizeVariable((ByteVar)useVar.Variable);
}
catch (Exception) // exceptions are caused by incorrect element types - both must be ByteVar
{
}
}
}
else if (element.Type == "STRING")
{
UseVariable useVar = new UseVariable(conv, element.Name, element.Type, element.Size, element.ExcludeFromChecksum);
message.Elements.Add(useVar);
}
}
return message;
}