74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
"""Onionr - Private P2P Communication.
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Class to remember blocks that need to be uploaded
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and not shared on startup/shutdown
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"""
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import atexit
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import os
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from typing import TYPE_CHECKING
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import deadsimplekv
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import filepaths
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from onionrutils import localcommand
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if TYPE_CHECKING:
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from communicator import OnionrCommunicatorDaemon
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from deadsimplekv import DeadSimpleKV
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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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UPLOAD_MEMORY_FILE = filepaths.upload_list
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def _add_to_hidden_blocks(cache):
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for bl in cache:
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localcommand.local_command('waitforshare/' + bl, post=True)
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class UploadQueue:
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"""Saves and loads block upload info from json file."""
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def __init__(self, communicator: 'OnionrCommunicatorDaemon'):
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"""Start the UploadQueue object, loading left over uploads into queue.
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register save shutdown function
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"""
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self.communicator = communicator
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cache: deadsimplekv.DeadSimpleKV = deadsimplekv.DeadSimpleKV(
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UPLOAD_MEMORY_FILE)
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self.kv: "DeadSimpleKV" = \
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communicator.shared_state.get_by_string("DeadSimpleKV")
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self.store_obj = cache
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cache = cache.get('uploads')
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if cache is None:
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cache = []
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_add_to_hidden_blocks(cache)
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self.kv.get('blocksToUpload').extend(cache)
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atexit.register(self.save)
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def save(self):
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"""Save to disk on shutdown or if called manually."""
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bl: deadsimplekv.DeadSimpleKV = self.kv.get('blocksToUpload')
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if len(bl) == 0:
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try:
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os.remove(UPLOAD_MEMORY_FILE)
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except FileNotFoundError:
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pass
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else:
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self.store_obj.put('uploads', bl)
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self.store_obj.flush()
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