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How can I add a struct type to a member variable? [message #1835503]

Sat, 05 December 2020 01:56

Manuel Malagon

Messages: 81
Registered: December 2011

Member

I'm creating a design with socket programming. One of the variables I'm bringing from C shall be struct in_addr ip_address; but I can't find a straightforward way of adding the type struct in_addr to my variable.

If I add it as a Type in the properties like so
index.php/fa/39471/0/

I get ::iotHub::network::Client::struct in_addr m_ip_address; that is definitely not what it should be.

How can I get just struct in_addr m_ip_address;?

Attachment: struct.jpeg
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Re: How can I add a struct type to a member variable? [message #1835681 is a reply to message #1835503]

Thu, 10 December 2020 10:06

Ansgar Radermacher

Messages: 461
Registered: March 2011
Location: Paris Saclay, France

Senior Member

The struct in_addr has been created as a nested classifier in the class Client. It seems that you created the type via the "+" dialog inside the class instead of referencing an existing via "...".
A good approach is to create a package "socket" (or similar, eventually in a different model that you import for reuse). Then create the type "in_addr" inside the package and declare it as External (Stereotype from C/C++ profile), since you want to use an existing C type instead of declaring a new one. Setup the stereotype attribute "include" and "name" (optionally, if you need the prefix "struct") accordingly.

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Re: How can I add a struct type to a member variable? [message #1835719 is a reply to message #1835681]

Thu, 10 December 2020 22:33

Manuel Malagon

Messages: 81
Registered: December 2011

Member

Ansgar Radermacher wrote on Thu, 10 December 2020 05:06

A good approach is to create a package "socket" (or similar, eventually in a different model that you import for reuse).

This is what I ended up doing, seemed the easiest approach and I'll be adding more types to it so it is good to have it as a separate package.

Thanks!

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