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Re: [sumo-user] Sumo Multi-Clients
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Hi Lewis,
do you run one python script per client?
Greetings Harald
Am 08.07.21 um 08:38 schrieb Philippe
Käufer:
Hi Lewis,
i have an setup with one Java and one Python client. I had the
same problem some moth ago. I can not remember what i done
exactly. I hope that my code helps you out in some way where i
got via traci.getConnection("2") the connection instance:
1. Client (Java):
conn = new SumoTraciConnection(sumoExec, sumoConfig);
conn.addOption("num-clients", "2");
conn.runServer(sumoPort);
conn.setOrder(1);
2. Client (Python):
traci.init(9100, 5, "127.0.0.1", label="2")
conn = traci.getConnection("2")
conn.setOrder(2)
regards,
Philippe
Am 08.07.2021 um 01:46 schrieb Yue
Zhu:
Hello,
I am currently using sumo to do research with A3C.
However, when I was trying to use multi-clients with the
method from sumo documentation, it always shows 'waiting for
clients'. Could you please help me with this?
Below is my code.
try:
sys.path.append(os.path.join(os.path.dirname(
__file__), '..', '..', '..', '..', "tools"))
# tutorial in tests
sys.path.append(os.path.join(os.environ.get("SUMO_HOME",
os.path.join(
os.path.dirname(__file__), "..", "..",
"..")), "tools")) # tutorial in docs
from sumolib import checkBinary # noqa
from sumolib.miscutils import getFreeSocketPort
except ImportError:
sys.exit(
"please declare environment variable
'SUMO_HOME' as the root directory of your sumo installation
(it should contain folders 'bin', 'tools' and 'docs')")
PORT = 8813
sumoBinary = checkBinary('sumo-gui')
#client1
# PORT = int(sys.argv[1]) # example
traci.start([sumoBinary, "-c", "fixed_avg.sumocfg",
"--num-clients", "2"], port=PORT)
traci.setOrder(1) # number can be anything
while traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
# more traci commands
traci.close()
# client2
# PORT = int(sys.argv[1]) # example
traci.init(PORT)
traci.setOrder(2) # number can be anything as long as each
client gets its own number
while traci.simulation.getMinExpectedNumber() > 0:
traci.simulationStep()
# more traci commands
traci.close()
Thank you very much!
Best,
Lewis
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