Is there anyway to do this easily using C++, specifically with the socket.h and socket.cpp files that are included in the tcpip folder? There seems to be code similar to what you've described in the socket.h/.cpp files, but it's not the exact same thing, from what I can tell.
[image: image.png] On Fri, Mar 29, 2019 at 6:56 AM Michael Behrisch <[email protected]> wrote: > Hi Peter, > this is not really a sumo specific question but I'll try to answer the > specific part. The sytax you are using tries to connect to a server > listening at the given address (on the given host). So you need to have > a listening server running there. The socket concept is not language > specific but if you want to see a python tutorial, try maybe this one: > https://www.binarytides.com/python-socket-programming-tutorial/ > > For the simplest case: opening a server socket, listening for only one > client and creating a file like object from it (which you can use to > read from like a file) the following should do: > import socket > port = 1338 > s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) > s.bind(("localhost", port)) > s.listen(1) > conn, addr = s.accept() > f = conn.makefile('rb') > (This code is also in tools/sumolib/miscutils.py, so feel free to use it > instead of reimplementing.) > > Best regards, > Michael > > > Am 28.03.19 um 23:46 schrieb PETER MARCHIONE: > > Hello, > > > > I've been given a task by my teammates involving SUMO. I need to figure > > out how to write information to a socket instead of a file. In pursuit > > of that goal, here's the command line I used. > > > > "sumo -c hello.sumocfg ---netstate-dump localhost:1338" > > > > Now that throws an error > > > > "Error: tcpip::Socket::connect() @ connect: Socket refused (host: > > locahost, port: 1338) > > Qutting (on error).: > > > > So my first problem is that I'm obviously not writing to the socket. I > > don't know if that's because it's not being given something to connect > > with, ie there's no listener on that socket. If that's the case, please > > let me know. > > > > My second problem is that I don't know /how /to write something that > > listens on that socket and receives the data. To start off with, I would > > just like to write to a console all the information that it receives, > > that way I know it's receiving it. I don't know if asking for help on > > this is outside the scope of this mailing list, but if you have the > > time, any help would be appreciated. > > > > Thanks, > > > > Peter Marchione > > > > _______________________________________________ > > sumo-user mailing list > > [email protected] > > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > > https://www.eclipse.org/mailman/listinfo/sumo-user > > > > >
_______________________________________________ sumo-user mailing list [email protected] To change your delivery options, retrieve your password, or unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/sumo-user
