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server.py
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server.py
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import socket
import struct
from mmap import *
from threading import Thread
#from command_handler import CommandHandler
from time import sleep
from ets_data_mapper import ETSData, TruckEncoder
from json import dumps, loads
HOST = ""
PORT = 8845
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)
#handler = CommandHandler()
#handler.start()
class ReceiveThread(Thread):
def __init__(self, conn, group=None, target=None, name=None, args=(), kwargs=None, verbose=None):
super(ReceiveThread, self).__init__(group, target, name, args, kwargs, verbose)
self.connection = conn
def run(self):
while 1:
try:
data = self.connection.recv(1) # recv command
data += self.connection.recv(4) # recv control id
data += self.connection.recv(1) # recv button state
data += self.connection.recv(4) # recv control id
except:
print("Failed to recv. Client probably disconnected")
break
if not data:
break
command, control_id, button_state, control_position = struct.unpack("!BiBi", data)
#handler.add_command(command, control_id, button_state, control_position)
class SendThread(Thread):
def __init__(self, conn, group=None, target=None, name=None, args=(), kwargs=None, verbose=None):
super(SendThread, self).__init__(group, target, name, args, kwargs, verbose)
self.connection = conn
def run(self):
data = ETSData()
map_file = mmap(-1, 16 * 1024, "Local\SimTelemetryETS2", ACCESS_READ)
while 1:
try:
map_file.seek(0)
data.load_from_mmap(map_file)
json_data = dumps(data, cls=TruckEncoder)
self.connection.send(struct.pack("!i", len(json_data)))
self.connection.send(json_data)
except Exception as e:
print("Failed to send. Client probably disconnected.[{0}]".format(e.message))
break
sleep(0.02)
while 1:
conn, addr = s.accept()
print 'Connected by', addr
ReceiveThread(conn).start()
SendThread(conn).start()