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UDP prototype

Goals

  • Make a program which will listen for multicast message.
  • It must be work between sub-networks (vlan).
  • It should be also able to send. User can type a message and all other peers will print it when it is sent.
  • Test it with some computers.

Qt and UDP multicast

There is no support to UDP multicast in QT4.5 according this bug issue : http://www.qtsoftware.com/developer/task-tracker/index_html?method=entry&id=57952.

But it's possible to use setsockopt() with QAbstractSocket::socketDescriptor(). See http://linux.die.net/man/7/ip and options for multicast like IP_ADD_MEMBERSHIP.

References

Updated by Greg Burri about 11 years ago · 9 revisions