2017-11-27 17:20:54 +00:00
|
|
|
import json
|
2017-11-27 17:20:09 +00:00
|
|
|
import zmq
|
|
|
|
from zmq.eventloop import ioloop
|
|
|
|
from zmq.eventloop.zmqstream import ZMQStream
|
|
|
|
|
|
|
|
from config import PUBLISHER_PORT, RECEIVER_PORT
|
|
|
|
|
|
|
|
ioloop.install()
|
|
|
|
|
|
|
|
|
|
|
|
class ComponentBase:
|
|
|
|
def __init__(self, anchor, event_handler, zmq_context=None):
|
|
|
|
self.anchor = anchor
|
|
|
|
self.event_handler = event_handler
|
|
|
|
self.zmq_context = zmq_context or zmq.Context.instance()
|
|
|
|
self.zmq_sub_socket = self.zmq_context.socket(zmq.SUB)
|
|
|
|
self.zmq_sub_socket.setsockopt_string(zmq.SUBSCRIBE, anchor)
|
|
|
|
self.zmq_sub_socket.connect('tcp://localhost:{}'.format(PUBLISHER_PORT))
|
|
|
|
self.zmq_sub_stream = ZMQStream(self.zmq_sub_socket)
|
|
|
|
self.zmq_push_socket = self.zmq_context.socket(zmq.PUSH)
|
|
|
|
self.zmq_push_socket.connect('tcp://localhost:{}'.format(RECEIVER_PORT))
|
|
|
|
|
2017-11-27 17:20:54 +00:00
|
|
|
def message_other(self, anchor, data):
|
|
|
|
encoded_anchor = anchor.encode('utf-8')
|
|
|
|
message = {
|
|
|
|
'anchor': anchor,
|
|
|
|
'data': data
|
|
|
|
}
|
|
|
|
encoded_message = json.dumps(message).encode('utf-8')
|
|
|
|
self.zmq_push_socket.send_multipart([encoded_anchor, encoded_message])
|
|
|
|
|