bugCERTI - Bugs: bug #24545, Implement a clean polymorphic...

 
 

bug #24545: Implement a clean polymorphic Socket subclasses usage

Submitter:  Eric NOULARD <erk>
Submitted:  Mon 13 Oct 2008 10:10:49 AM UTC
   
 
Category:  CERTI Severity:  * 3 - Normal
Item Group:  Software error Status:  In Progress
Privacy:  Public Assigned to:  erk
Open/Closed:  Open Release:  * CVS
Reproducibility:  Every Time Fixed Release:  * Unknown
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Mon 13 Oct 2008 11:04:54 AM UTC, comment #1: 

If designing a long-term solution, it would be fine to enable "dynamic stacking", e.g.

  • TCP
  • TCP - HTTP
  • TCP - SSL
  • TCP - SSL - HTTP (i.e. HTTPS)
  • ...


A possible solution for that may be to have a polymorphic "socketLayer", that may either call system functions (being a physical layer), or that may be initialized using a pointer to lower layer.

Something like:
 tcp = new SocketTCP()
 tunnel = new SocketHTTPTunnel(tcp)
to build HTTP, or
 tcp = new SocketTCP()
 ssl = new SocketSSL(tcp)
 tunnel = new SocketHTTPTunnel(ssl)
to build HTTPS

Petr Gotthard <gotthardp>
Group Member
Mon 13 Oct 2008 10:10:49 AM UTC, original submission:  


We have several Socket classes:

SocketTCP
SocketUDP
SecureTCPSocket
SocketHTTPProxy

those classes all inherit from Socket abstract base class
which is fine.
However they should be used polymorphically.
Current code (mostly coming from SecureTCPSocket)
is not "polymorphically" clean.

Eric NOULARD <erk>
Group administrator

 

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