Merge pull request #18 from titanscouting/daemon-fix

Fix messaging in daemon

Former-commit-id: 6a4d13a33f

src/cli/superscript.py

@@ -151,18 +151,16 @@ __all__ = [
 
 # imports:
 
-import asyncio
 import json
 import math
 from multiprocessing import Pool, freeze_support
 import os
 import pymongo
 import sys
-import threading
 import time
 import traceback
 import warnings
-import websockets
+import zmq
 
 from interface import splash, log, ERR, INF, stdout, stderr
 from data import get_previous_time, pull_new_tba_matches, set_current_time, load_match, push_match, load_pit, push_pit, get_database_config, set_database_config, check_new_database_matches
@@ -544,40 +542,23 @@ def start(pid_path, verbose = False, profile = False, debug = False):
 		
 		f = open('errorlog.log', 'w+')
 		with daemon.DaemonContext(
-			working_directory=os.getcwd(),
-			pidfile=pidfile.TimeoutPIDLockFile(pid_path),
-			stderr=f
+			working_directory = os.getcwd(),
+			pidfile = pidfile.TimeoutPIDLockFile(pid_path),
+			stderr = f
 			):
 
-			async def handler(client, path):
-				clients.append(client)
-				while True:
-					try:
-						pong_waiter = await client.ping()
-						await pong_waiter
-						time.sleep(3)
-					except Exception as e:
-						clients.remove(client)
-						break
+			context = zmq.Context()
+			socket = context.socket(zmq.PUB)
+			socket.bind("tcp://*:5678")
 
-			async def send_one(client, data):
-				await client.send(data)
+			socket.send(b'status')
 
 			def send(target, level, message, code = 0):
-				message_clients = clients.copy()
-				for client in message_clients:
-					try:
-						asyncio.run(send_one(client, message))
-					except:
-						pass
-
-			clients = []
-			start_server = websockets.serve(handler, "0.0.0.0", 5678)
-
-			asyncio.get_event_loop().run_until_complete(start_server)
-			threading.Thread(target = asyncio.get_event_loop().run_forever).start()
+				socket.send(bytes("status: " + message, 'utf-8'))
 
 			exit_code = main(send)
+			socket.close()
+			f.close()
 			sys.exit(exit_code)
 
 def stop(pid_path):

src/cli/superscript.spec

@@ -10,8 +10,6 @@ a = Analysis(['superscript.py'],
                  "dnspython", 
                  "sklearn.utils._weight_vector",
                  "requests",
-                 "websockets.legacy",
-                 "websockets.legacy.server",
              ],
              hookspath=[],
              runtime_hooks=[],

src/requirements.txt

@@ -15,5 +15,5 @@ pandas
 
 kivy==2.0.0rc2
 
-websockets
+pyzmq
 python-daemon

test/client.py

@@ -0,0 +1,14 @@
+import signal
+import zmq
+
+signal.signal(signal.SIGINT, signal.SIG_DFL)
+
+context = zmq.Context()
+
+socket = context.socket(zmq.SUB)
+socket.connect('tcp://localhost:5678')
+socket.setsockopt(zmq.SUBSCRIBE, b'status')
+
+while True:
+    message = socket.recv_multipart()
+    print(f'Received: {message}')