Hi,
I have a query. I am new to TTCN.

Want some clarification in the following syntax

type port MyMessagePortType message {
in MsgType1, MsgType2;
out MsgType3;
inout integer
}


Plz let me know if my understanding is correct:
MyMessagePortType is defined to be of type "port" .
What is the role of message?

Regards,
Lavanya

Hello Lavanya,

Lavanya LAKSHMAN wrote:

> Hi,
> I have a query. I am new to TTCN.
>
> Want some clarification in the following syntax
>
> type port MyMessagePortType message {
> in MsgType1, MsgType2;
> out MsgType3;
> inout integer
> }
>
> Plz let me know if my understanding is correct:
> MyMessagePortType is defined to be of type "port" .
> What is the role of message?

Your understanding is correct, you are defining a new port
type. Afterwards you use this port type when you define
components.

The "message" tells that the port is used for message-based
communication, i.e. "send" and "receive" are used.

For procedure-based communication, i.e. for "call", "getreply",
"catch", etc., "procedure" would be used.

Best regards,
Vesa-Matti

--
Vesa-Matti Puro
OpenTTCN Oy
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. * Tel.: +358 440396461 * Web: www.openttcn.com

Hello Vesa,
Thanks for the quick response.
Regards,
Lavanya



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Hello Lavanya,

Lavanya LAKSHMAN wrote:

> Hi,
> I have a query. I am new to TTCN.
>
> Want some clarification in the following syntax
>
> type port MyMessagePortType message {
> in MsgType1, MsgType2;
> out MsgType3;
> inout integer
> }
>
> Plz let me know if my understanding is correct:
> MyMessagePortType is defined to be of type "port" .
> What is the role of message?

Your understanding is correct, you are defining a new port
type. Afterwards you use this port type when you define
components.

The "message" tells that the port is used for message-based
communication, i.e. "send" and "receive" are used.

For procedure-based communication, i.e. for "call", "getreply",
"catch", etc., "procedure" would be used.

Best regards,
Vesa-Matti

--
Vesa-Matti Puro
OpenTTCN Oy
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. * Tel.: +358 440396461 * Web: www.openttcn.com

Hello Lavanya,


>Hi,
>I have a query. I am new to TTCN.

You will love it!

>Want some clarification in the following syntax

>type port MyMessagePortType message {
>in MsgType1, MsgType2;
>out MsgType3;
>inout integer
>}


>Plz let me know if my understanding is correct:
> MyMessagePortType is defined to be of type "port" .

Not exactly. You are declaring a port type called
MyMessagePortType. "port" is NOT a type but a category of objects.

>What is the role of message?

That indicates that only messages rather than procedure calls
can be send and received on this port.

You will later in a component definition use this port type to
define a specific port:

MyMessagePortType theUSPostOffice;

This will enable you later to send and receive messages using the
folling syntax.

theUSPostOffice.send("hello there");

theUSPostOffice.receive(MyPayCheque);

Hope this is clear enough.

Thanks
Bernard Stepien
This email address is being protected from spambots. You need JavaScript enabled to view it.
Ottawa, Canada

---

Regards,
Lavanya

In einer eMail vom 17/06/2004 07:27:49 GMT Daylight Time schreibt
This email address is being protected from spambots. You need JavaScript enabled to view it.:

Hi,
I have a query. I am new to TTCN.

Want some clarification in the following syntax

type port MyMessagePortType message {
in MsgType1, MsgType2;
out MsgType3;
inout integer
}


Plz let me know if my understanding is correct:
MyMessagePortType is defined to be of type "port" .
What is the role of message?

message indicates that you are using message type communication, as opposed
to procedure based communication.

Read the specification ES 201-873-1 (core notation) for further details.

Regards,

Claude.



Regards,
Lavanya




Claude Desroches email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Solonplatz 3/2 phone: +49 30 9606 7986
13088 Berlin fax: +49 30 9606 7987
Germany