0001013: The "controlInfo" field is not copied by the message copy constructor

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0001013

OMNeT++

simulation kernel

public

2017-05-24 20:29

Reporter

paolinux

Assigned To

Priority

low

Severity

minor

Reproducibility

always

Status

new

Resolution

open

Platform

x86_64

Windows

OS Version

Product Version

5.1

Target Version

Fixed in Version

Summary

0001013: The "controlInfo" field is not copied by the message copy constructor

Description

I've noticed that the controlInfo pointer associated to a given message is not copied by the copy constructor, i.e., the resulting copy will have controlInfo set to nullptr.

I'm not sure if this actually a bug or is the intended behavior. However, this turns out to incur a non-expected behavior in the controlInfo are associated to an encapsulated packet. Consider the following example;

auto encapsulatedMsg = new cMessage();
encapsulatedMsg.setControlInfo(...);

auto msg = new cMessage();
msg->encapsulate(encapsulatedMsg);

if now I call

msg->getEncapsulatedPacket();

this creates a copy of the object that does not have the controlInfo.

Wouldn't it make more sense to copy the controlInfo pointer to? (ie both the original message and the copy would point to the same memory location)

P.

Issue History
Date Modified	Username	Field	Change
2017-05-24 20:29	paolinux	New Issue

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