mirror of https://github.com/CIRCL/AIL-framework
95 lines
2.8 KiB
Python
Executable File
95 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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Importer Class
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================
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ZMQ Importer
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"""
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import os
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import sys
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import zmq
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from importer.abstract_importer import AbstractImporter
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from modules.abstract_module import AbstractModule
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from lib.ConfigLoader import ConfigLoader
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from lib.objects.Items import Item
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class ZMQImporters(AbstractImporter):
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def __init__(self):
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super().__init__()
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self.subscribers = []
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# Initialize poll set
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self.poller = zmq.Poller()
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def add(self, address, channel):
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context = zmq.Context()
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subscriber = context.socket(zmq.SUB)
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r = subscriber.connect(address)
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print(r)
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subscriber.setsockopt_string(zmq.SUBSCRIBE, channel)
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self.subscribers.append(subscriber)
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self.poller.register(subscriber, zmq.POLLIN)
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def importer(self, timeout=None): # -> FOR loop required
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"""
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:param timeout: The timeout (in milliseconds) to wait for an event.
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If unspecified (or specified None), will wait forever for an event.
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:returns: messages generator
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"""
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for event in self.poller.poll(timeout=timeout):
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socket, event_mask = event
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# DEBUG
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print(socket, event_mask)
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yield socket.recv()
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class ZMQModuleImporter(AbstractModule):
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def __init__(self):
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super().__init__()
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config_loader = ConfigLoader()
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self.default_feeder_name = config_loader.get_config_str("Module_Mixer", "default_unnamed_feed_name")
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addresses = config_loader.get_config_str('ZMQ_Global', 'address')
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addresses = addresses.split(',')
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channel = config_loader.get_config_str('ZMQ_Global', 'channel')
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self.zmq_importer = ZMQImporters()
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for address in addresses:
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self.zmq_importer.add(address.strip(), channel)
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def get_message(self):
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for message in self.zmq_importer.importer():
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# remove channel from message
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yield message.split(b' ', 1)[1]
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def compute(self, messages):
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for message in messages:
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message = message.decode()
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obj_id, gzip64encoded = message.split(' ', 1) # TODO ADD LOGS
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splitted = obj_id.split('>>', 1)
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if len(splitted) == 2:
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feeder_name, obj_id = splitted
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else:
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feeder_name = self.default_feeder_name
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obj = Item(obj_id)
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# f'{source} {content}'
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relay_message = f'{feeder_name} {gzip64encoded}'
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print(f'feeder_name item::{obj_id}')
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self.add_message_to_queue(obj=obj, message=relay_message)
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if __name__ == '__main__':
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module = ZMQModuleImporter()
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module.run()
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