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94 lines
2.8 KiB
94 lines
2.8 KiB
#!/usr/bin/env python3 |
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import sys |
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import os |
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import config |
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import json |
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import logging |
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import asyncio |
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import traceback |
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import services |
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from analytic_unit_manager import AnalyticUnitManager |
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server_service: services.ServerService = None |
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data_service: services.DataService = None |
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analytic_unit_manager: AnalyticUnitManager = None |
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logger = logging.getLogger('SERVER') |
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async def handle_task(task: object): |
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try: |
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task_type = task['type'] |
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logger.info("Got {} task with id {}, analyticUnitId {}".format(task_type, task['_id'], task['analyticUnitId'])) |
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task_result_payload = { |
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'_id': task['_id'], |
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'task': task_type, |
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'analyticUnitId': task['analyticUnitId'], |
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'status': "IN_PROGRESS" |
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} |
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if not task_type == 'PUSH': |
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message = services.server_service.ServerMessage('TASK_RESULT', task_result_payload) |
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await server_service.send_message_to_server(message) |
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res = await analytic_unit_manager.handle_analytic_task(task) |
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res['_id'] = task['_id'] |
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if not task_type == 'PUSH': |
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message = services.server_service.ServerMessage('TASK_RESULT', res) |
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await server_service.send_message_to_server(message) |
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except Exception as e: |
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error_text = traceback.format_exc() |
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logger.error("handle_task Exception: '%s'" % error_text) |
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async def handle_data(task: object): |
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res = await analytic_unit_manager.handle_analytic_task(task) |
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if res['status'] == 'SUCCESS' and res['payload'] is not None: |
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res['_id'] = task['_id'] |
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message = services.server_service.ServerMessage('PUSH_DETECT', res) |
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await server_service.send_message_to_server(message) |
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async def handle_message(message: services.ServerMessage): |
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if message.method == 'TASK': |
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await handle_task(message.payload) |
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if message.method == 'DATA': |
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await handle_data(message.payload) |
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def init_services(): |
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global server_service |
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global data_service |
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global analytic_unit_manager |
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logger.info("Starting services...") |
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logger.info("Server...") |
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server_service = services.ServerService() |
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logger.info("Ok") |
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logger.info("Data service...") |
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data_service = services.DataService(server_service) |
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logger.info("Ok") |
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logger.info("Analytic unit manager...") |
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analytic_unit_manager = AnalyticUnitManager() |
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logger.info("Ok") |
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async def app_loop(): |
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async for message in server_service: |
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asyncio.ensure_future(handle_message(message)) |
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def run_server(): |
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loop = asyncio.get_event_loop() |
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#loop.set_debug(True) |
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logger.info("Ok") |
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init_services() |
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print('Analytics process is running') # we need to print to stdout and flush |
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sys.stdout.flush() # because node.js expects it |
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loop.run_until_complete(app_loop())
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