75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
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import sqlite3, os
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import onionrevents as events
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def daemon_queue(core_inst):
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'''
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Gives commands to the communication proccess/daemon by reading an sqlite3 database
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This function intended to be used by the client. Queue to exchange data between "client" and server.
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'''
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retData = False
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if not os.path.exists(core_inst.queueDB):
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core_inst.dbCreate.createDaemonDB()
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else:
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conn = sqlite3.connect(core_inst.queueDB, timeout=30)
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c = conn.cursor()
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try:
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for row in c.execute('SELECT command, data, date, min(ID), responseID FROM commands group by id'):
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retData = row
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break
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except sqlite3.OperationalError:
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core_inst.dbCreate.createDaemonDB()
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else:
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if retData != False:
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c.execute('DELETE FROM commands WHERE id=?;', (retData[3],))
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conn.commit()
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conn.close()
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events.event('queue_pop', data = {'data': retData}, onionr = core_inst.onionrInst)
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return retData
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def daemon_queue_add(core_inst, command, data='', responseID=''):
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'''
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Add a command to the daemon queue, used by the communication daemon (communicator.py)
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'''
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retData = True
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date = core_inst._utils.getEpoch()
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conn = sqlite3.connect(core_inst.queueDB, timeout=30)
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c = conn.cursor()
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t = (command, data, date, responseID)
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try:
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c.execute('INSERT INTO commands (command, data, date, responseID) VALUES(?, ?, ?, ?)', t)
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conn.commit()
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except sqlite3.OperationalError:
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retData = False
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core_inst.daemonQueue()
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events.event('queue_push', data = {'command': command, 'data': data}, onionr = core_inst.onionrInst)
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conn.close()
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return retData
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def daemon_queue_get_response(core_inst, responseID=''):
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'''
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Get a response sent by communicator to the API, by requesting to the API
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'''
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assert len(responseID) > 0
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resp = core_inst._utils.localCommand('queueResponse/' + responseID)
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return resp
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def clear_daemon_queue(core_inst):
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'''
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Clear the daemon queue (somewhat dangerous)
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'''
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conn = sqlite3.connect(core_inst.queueDB, timeout=30)
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c = conn.cursor()
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try:
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c.execute('DELETE FROM commands;')
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conn.commit()
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except:
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pass
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conn.close()
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events.event('queue_clear', onionr = core_inst.onionrInst)
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