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<article id="content">
<header>
<h1 class="title">Module <code>onionr.communicatorutils.uploadblocks</code></h1>
</header>
<section id="section-intro">
<p>Onionr - Private P2P Communication</p>
<p>Upload blocks in the upload queue to peers from the communicator</p>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">'''
Onionr - Private P2P Communication
Upload blocks in the upload queue to peers from the communicator
'''
from __future__ import annotations
'''
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
from typing import Union, TYPE_CHECKING
import logger
from communicatorutils import proxypicker
import onionrexceptions
from onionrblocks import onionrblockapi as block
from onionrutils import localcommand, stringvalidators, basicrequests
from communicator import onlinepeers
import onionrcrypto
from . import sessionmanager
def upload_blocks_from_communicator(comm_inst: OnionrCommunicatorDaemon):
"""Accepts a communicator instance and uploads blocks from its upload queue"""
"""when inserting a block, we try to upload
it to a few peers to add some deniability & increase functionality"""
TIMER_NAME = "upload_blocks_from_communicator"
session_manager: sessionmanager.BlockUploadSessionManager = comm_inst.shared_state.get(sessionmanager.BlockUploadSessionManager)
triedPeers = []
finishedUploads = []
comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
if len(comm_inst.blocksToUpload) != 0:
for bl in comm_inst.blocksToUpload:
if not stringvalidators.validate_hash(bl):
logger.warn('Requested to upload invalid block', terminal=True)
comm_inst.decrementThreadCount(TIMER_NAME)
return
session = session_manager.add_session(bl)
for i in range(min(len(comm_inst.onlinePeers), 6)):
peer = onlinepeers.pick_online_peer(comm_inst)
try:
session.peer_exists[peer]
continue
except KeyError:
pass
try:
if session.peer_fails[peer] > 3: continue
except KeyError:
pass
if peer in triedPeers: continue
triedPeers.append(peer)
url = f'http://{peer}/upload'
try:
data = block.Block(bl).getRaw()
except onionrexceptions.NoDataAvailable:
finishedUploads.append(bl)
break
proxyType = proxypicker.pick_proxy(peer)
logger.info(f"Uploading block {bl[:8]} to {peer}", terminal=True)
resp = basicrequests.do_post_request(url, data=data, proxyType=proxyType, content_type='application/octet-stream')
if not resp == False:
if resp == 'success':
session.success()
session.peer_exists[peer] = True
elif resp == 'exists':
session.success()
session.peer_exists[peer] = True
else:
session.fail()
session.fail_peer(peer)
comm_inst.getPeerProfileInstance(peer).addScore(-5)
logger.warn(f'Failed to upload {bl[:8]}, reason: {resp[:15]}', terminal=True)
else:
session.fail()
session_manager.clean_session()
for x in finishedUploads:
try:
comm_inst.blocksToUpload.remove(x)
except ValueError:
pass
comm_inst.decrementThreadCount(TIMER_NAME)</code></pre>
</details>
</section>
<section>
<h2 class="section-title" id="header-submodules">Sub-modules</h2>
<dl>
<dt><code class="name"><a title="onionr.communicatorutils.uploadblocks.session" href="session.html">onionr.communicatorutils.uploadblocks.session</a></code></dt>
<dd>
<section class="desc"><p>Onionr - Private P2P Communication …</p></section>
</dd>
<dt><code class="name"><a title="onionr.communicatorutils.uploadblocks.sessionmanager" href="sessionmanager.html">onionr.communicatorutils.uploadblocks.sessionmanager</a></code></dt>
<dd>
<section class="desc"><p>Onionr - Private P2P Communication …</p></section>
</dd>
</dl>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-functions">Functions</h2>
<dl>
<dt id="onionr.communicatorutils.uploadblocks.upload_blocks_from_communicator"><code class="name flex">
<span>def <span class="ident">upload_blocks_from_communicator</span></span>(<span>comm_inst)</span>
</code></dt>
<dd>
<section class="desc"><p>Accepts a communicator instance and uploads blocks from its upload queue</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def upload_blocks_from_communicator(comm_inst: OnionrCommunicatorDaemon):
"""Accepts a communicator instance and uploads blocks from its upload queue"""
"""when inserting a block, we try to upload
it to a few peers to add some deniability & increase functionality"""
TIMER_NAME = "upload_blocks_from_communicator"
session_manager: sessionmanager.BlockUploadSessionManager = comm_inst.shared_state.get(sessionmanager.BlockUploadSessionManager)
triedPeers = []
finishedUploads = []
comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
if len(comm_inst.blocksToUpload) != 0:
for bl in comm_inst.blocksToUpload:
if not stringvalidators.validate_hash(bl):
logger.warn('Requested to upload invalid block', terminal=True)
comm_inst.decrementThreadCount(TIMER_NAME)
return
session = session_manager.add_session(bl)
for i in range(min(len(comm_inst.onlinePeers), 6)):
peer = onlinepeers.pick_online_peer(comm_inst)
try:
session.peer_exists[peer]
continue
except KeyError:
pass
try:
if session.peer_fails[peer] > 3: continue
except KeyError:
pass
if peer in triedPeers: continue
triedPeers.append(peer)
url = f'http://{peer}/upload'
try:
data = block.Block(bl).getRaw()
except onionrexceptions.NoDataAvailable:
finishedUploads.append(bl)
break
proxyType = proxypicker.pick_proxy(peer)
logger.info(f"Uploading block {bl[:8]} to {peer}", terminal=True)
resp = basicrequests.do_post_request(url, data=data, proxyType=proxyType, content_type='application/octet-stream')
if not resp == False:
if resp == 'success':
session.success()
session.peer_exists[peer] = True
elif resp == 'exists':
session.success()
session.peer_exists[peer] = True
else:
session.fail()
session.fail_peer(peer)
comm_inst.getPeerProfileInstance(peer).addScore(-5)
logger.warn(f'Failed to upload {bl[:8]}, reason: {resp[:15]}', terminal=True)
else:
session.fail()
session_manager.clean_session()
for x in finishedUploads:
try:
comm_inst.blocksToUpload.remove(x)
except ValueError:
pass
comm_inst.decrementThreadCount(TIMER_NAME)</code></pre>
</details>
</dd>
</dl>
</section>
<section>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="onionr.communicatorutils" href="../index.html">onionr.communicatorutils</a></code></li>
</ul>
</li>
<li><h3><a href="#header-submodules">Sub-modules</a></h3>
<ul>
<li><code><a title="onionr.communicatorutils.uploadblocks.session" href="session.html">onionr.communicatorutils.uploadblocks.session</a></code></li>
<li><code><a title="onionr.communicatorutils.uploadblocks.sessionmanager" href="sessionmanager.html">onionr.communicatorutils.uploadblocks.sessionmanager</a></code></li>
</ul>
</li>
<li><h3><a href="#header-functions">Functions</a></h3>
<ul class="">
<li><code><a title="onionr.communicatorutils.uploadblocks.upload_blocks_from_communicator" href="#onionr.communicatorutils.uploadblocks.upload_blocks_from_communicator">upload_blocks_from_communicator</a></code></li>
</ul>
</li>
</ul>
</nav>
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