117 lines
4.1 KiB
Python
Executable File
117 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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Onionr - P2P Microblogging Platform & Social network.
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This file contains both the OnionrCommunicate class for communcating with peers
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and code to operate as a daemon, getting commands from the command queue database (see core.Core.daemonQueue)
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'''
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'''
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import sys, core, config, onionrblockapi as block, requests, time, logger, threading
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from defusedxml import minidom
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class OnionrCommunicatorDaemon:
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def __init__(self, debug, developmentMode):
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self.timers = []
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self._core = core.Core()
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self.nistSaltTimestamp = 0
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self.powSalt = 0
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self.delay = 1
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self.shutdown = False
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# Clear the daemon queue for any dead messages
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self._core.clearDaemonQueue()
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if debug or developmentMode:
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OnionrCommunicatorTimers(self, self.heartbeat, 10)
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OnionrCommunicatorTimers(self, self.daemonCommands, 5)
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OnionrCommunicatorTimers(self, self.detectAPICrash, 5)
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# Main daemon loop, mainly for calling timers, do not do any complex operations here
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while not self.shutdown:
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time.sleep(self.delay)
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for i in self.timers:
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i.processTimer()
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logger.info('Goodbye.')
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def heartbeat(self):
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'''Show a heartbeat debug message'''
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logger.debug('Communicator heartbeat')
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def daemonCommands(self):
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'''process daemon commands from daemonQueue'''
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cmd = self._core.daemonQueue()
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if cmd is not False:
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if cmd[0] == 'shutdown':
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self.shutdown = True
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else:
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logger.info('Recieved daemonQueue command:' + cmd[0])
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def detectAPICrash(self):
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'''exit if the api server crashes/stops'''
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if self._core._utils.localCommand('ping') != 'pong':
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for i in range(4):
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if self._core._utils.localCommand('ping') == 'pong':
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break # break for loop
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time.sleep(1)
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else:
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# This executes if the api is NOT detected to be running
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logger.error('Daemon detected API crash (or otherwise unable to reach API after long time), stopping...')
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self.shutdown = True
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class OnionrCommunicatorTimers:
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def __init__(self, daemonInstance, timerFunction, frequency, makeThread=True, threadAmount=1):
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self.timerFunction = timerFunction
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self.frequency = frequency
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self.threadAmount = threadAmount
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self.makeThread = makeThread
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self.daemonInstance = daemonInstance
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self._core = self.daemonInstance._core
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self.daemonInstance.timers.append(self)
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self.count = 0
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def processTimer(self):
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self.count += 1
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if self.count == self.frequency:
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if self.makeThread:
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for i in range(self.threadAmount):
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threading.Thread(target=self.timerFunction).run()
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else:
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self.timerFunction()
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self.count = 0
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shouldRun = False
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debug = True
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developmentMode = False
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if config.get('devmode', True):
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developmentMode = True
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try:
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if sys.argv[1] == 'run':
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shouldRun = True
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except IndexError:
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pass
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if shouldRun:
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try:
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OnionrCommunicatorDaemon(debug, developmentMode)
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except KeyboardInterrupt:
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sys.exit(1)
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pass
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except Exception as e:
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logger.error('Error occured in Communicator', error = e, timestamp = False) |