def main():
# Parse the input aruments
ap = argparse.ArgumentParser()
ap.add_argument("--address", "-a", required=False, default="0.0.0.0", help="listening IP address, default=\"0.0.0.0\"")
ap.add_argument("--port", "-p", required=False, default=9910, help="listening UDP Port, default=9910")
ap.add_argument("--config", required=False, default="default_config.xml", help="config XML file from ATEM software (default=default_config.xml)")
ap.add_argument("--debug", "-d", required=False, default="INFO", help="debug level (in quotes): NONE, INFO (default), WARNING, DEBUG")
args = ap.parse_args()
host = args.address
port = args.port
config_file = args.config
print("ATEM Server Starting...")
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind((host, port))
client_mgr = ClientManager()
atem_config.config_init(config_file)
print("ATEM Server Running...Hit ctrl-c to exit")
while True:
try:
# Process incoming packets but timeout after a while so the clients
# can perform cleanup and resend unresponded packets.
readers, writers, errors = select.select([s], [], [], 0.050)
if len(readers) > 0:
try:
bytes, addr = s.recvfrom(2048)
packet = Packet(addr, bytes)
packet.parse_packet()
client = client_mgr.get_client(packet.ip_and_port, packet.session_id)
client.process_inbound_packet(packet)
except ConnectionResetError:
print("connection reset!")
s.close()
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind((host, port))
continue
except KeyboardInterrupt:
raise
# Perform regularly regardless of incoming packets
client_mgr.run_clients(s)
except KeyboardInterrupt:
# quit
sys.exit()
