> On 8 May 2018, at 15:05, Ben Coman <b...@openinworld.com> wrote: > >> Le 8 mai 2018 à 08:28, Henrik Sperre Johansen <henrik.s.johan...@veloxit.no> >> a écrit : >> >> HilaireFernandes wrote >>> Computer should be on a same network, however not sure about swtich in >>> between. >>> >>> Does UDP broadcast required particular privilege on the host? >>> >>> Thanks >>> >>> Hilaire >>> >>> Le 06/05/2018 à 13:31, Norbert Hartl a écrit : >>>> If it is on a single network this should be doable by using UDP broadcast >>>> announcements. The share server can announce some information and its IP >>>> in a UDP packet being broadcasted. Every client receives that and then >>>> knows the address of the server to connect to >>> >>> -- >>> Dr. Geo >>> http://drgeo.eu >> >> No, but it does involve setting certain options on the socket, etc. >> You could check if http://smalltalkhub.com/#!/~henriksp/SSDP is >> appropriate/works for you. >> >> Cheers, >> Henry >> >> >> >> -- >> Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html >> > > > On 8 May 2018 at 15:32, Cédrick Béler <cdric...@gmail.com> wrote: > Hi, FYI, Noury did this package (Network-Extra). I will test for my lecture. > It has UDP Multicast/broadcast and may help for the discovery phase (I’m > interested in that either). > > He said that about it: > > - UDP support : mutlicast + broadcast > - fragment a (large) data et assemble it over UDP > -la possibilité de fragmenter une donnée trop grande et la reconstruire > au-dessus d'UDP > > Gofer it > smalltalkhubUser: 'CAR' project: 'ReusableBricks'; > configurationOf: 'ReusableBricks'; > loadBleedingEdge > > Hope this help, > > See you, > > Cédrick > > Ps: tell me if you use it. > > > If we've got multicast support for Pharo, perhaps its not a long jump to > implementing mDNS. > Then the teacher could share out their machine as "teacher.local" > to let student machines connect to it. > > https://www.trustwave.com/Resources/SpiderLabs-Blog/mDNS---Telling-the-world-about-you-(and-your-device)/ > > https://tools.ietf.org/html/rfc6762 > The most basic kind of Multicast DNS client may simply send standard > DNS queries blindly to 224.0.0.251:5353, without necessarily even > being aware of what a multicast address is. This change can > typically be implemented with just a few lines of code in an existing > DNS resolver library.
I am interested in this and will read a bit about it, if I find time. > @Udo, did you ever find that mDNS package you lost? > http://forum.world.st/Issue-with-UDP-Sockets-tp4827014p4827245.html > > > mDNS would be an interesting facility to include in the main Pharo release > image, > perhaps making it very easy for our "live" systems to locate each other on a > local network without external infrastructure. > > > cheers -ben
