The web service technology employed by TraaS can be used in a local network without involving the world wide web. Regarding client ordering: the process that spawns the clients just needs to assign an arbitrary running number and this number is given after connecting with the setOrder command.
2018-09-07 13:56 GMT+02:00 Muktadir R Chowdhury (mrchwdhr) < mrchw...@memphis.edu>: > My client program can not be web-based. So I am left with the first option > and I am using C++ Traci API. > > > When using TraCI in multi-client mode, all clients have to connect at the > beginning and all of them have to run at least a loop similar to > > while True: > traci.simulationStep() > > > According to document: "Please note that in multi client scenarios you > must explicity specify the execution order of the clients using the > *SetOrder*-command > <http://sumo.dlr.de/wiki/TraCI/Control-related_commands#Command_0x03:_SetOrder> > ." > > Do I also have to do it here? If so how can I do it? > > I don't need my client to interfere with the simulation. I just want the > simulation to run and the clients will get info as needed. > > Muktadir > ------------------------------ > *From:* sumo-user-boun...@eclipse.org <sumo-user-boun...@eclipse.org> on > behalf of Jakob Erdmann <namdre.s...@gmail.com> > *Sent:* Friday, September 7, 2018 5:19:58 PM > > *To:* Sumo project User discussions > *Subject:* Re: [sumo-user] Getting information from simulated vehicle > > When using TraCI in multi-client mode, all clients have to connect at the > beginning and all of them have to run at least a loop similar to > > while True: > traci.simulationStep() > > Alternatively, you can use TraaS (TraCI as a Service) which acts as a > single client and collects commands from an arbitrary number of web service > clients and forwards them to sumo. (http://traas.sourceforge.net/cms/) > TraaS is already part of sumo and can be found in sumo/bin. > > regards, > Jakob > > 2018-09-07 13:12 GMT+02:00 Muktadir R Chowdhury (mrchwdhr) < > mrchw...@memphis.edu>: > > Thanks for your reply. Ok I will upgrade my SUMO. > > According to this http://sumo.dlr.de/wiki/TraCI#V2X_simulation , "When > started with the --remote-port *<INT>* > <http://sumo.dlr.de/wiki/Basics/Notation#Referenced_Data_Types> option, > SUMO <http://sumo.dlr.de/wiki/SUMO> only prepares the simulation and > waits for all external applications to connect and take over the control. > ". > > That means client connected to SUMO is responsible for running the > simulation. But, what I want to do is SUMO will run as soon as I issue > the command "sumo --remote-port <INT> --num-clients <INT>". Then each > client (correspond to a vehicle) will connect to SUMO and request some > vehicle specific information (like current position etc.). > > Can you please give me a pointer on how can I do this? > > Muktadir > ------------------------------ > *From:* sumo-user-boun...@eclipse.org <sumo-user-boun...@eclipse.org> on > behalf of Jakob Erdmann <namdre.s...@gmail.com> > *Sent:* Friday, September 7, 2018 4:58:36 PM > > *To:* Sumo project User discussions > *Subject:* Re: [sumo-user] Getting information from simulated vehicle > > Multi-client support is only available since version 0.31.0. I recommend > upgrading to version 1.0.0, though. > regards, > Jakob > > 2018-09-07 12:56 GMT+02:00 Muktadir R Chowdhury (mrchwdhr) < > mrchw...@memphis.edu>: > > How can I specify the number of clients when starting SUMO, I am using > SUMO version 0.25 and it is saying "no option with the name 'num-clients' > exists." > > > Muktadir > > > ------------------------------ > *From:* sumo-user-boun...@eclipse.org <sumo-user-boun...@eclipse.org> on > behalf of Jakob Erdmann <namdre.s...@gmail.com> > *Sent:* Friday, September 7, 2018 4:19:59 PM > *To:* Sumo project User discussions > *Subject:* Re: [sumo-user] Getting information from simulated vehicle > > Yes, as long as you know the number of clients in advance. > > 2018-09-07 12:05 GMT+02:00 Muktadir R Chowdhury (mrchwdhr) < > mrchw...@memphis.edu>: > > I want to achieve the following in SUMO: > > (1) SUMO will run in a specified port. Let's say there are "n" vehicles in > the simulation. > (2) SUMO will keep running while "n" client will connect to SUMO, and each > client will print location information of each of the vehicles in regular > interval. > > Is it possible to do? > > Muktadir Chowdhury > > > > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user > > > > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user > > > > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user > > > > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user > >
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