mirror of https://github.com/EdgeVPNio/evio.git
112 lines
4.2 KiB
Python
112 lines
4.2 KiB
Python
# EdgeVPNio
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# Copyright 2020, University of Florida
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import hashlib
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import threading
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try:
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import simplejson as json
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except ImportError:
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import json
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import urllib.request as request
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from urllib.error import HTTPError, URLError
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from broker.cbt import CBT
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from broker.controller_module import ControllerModule, introspect
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class UsageReport(ControllerModule):
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def __init__(self, nexus, module_config):
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super().__init__(nexus, module_config)
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self._stat_data = None
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self._lck = threading.Lock()
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self._report_id = 0
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self._report = {
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"Version": self.version,
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"NodeId": hashlib.sha256(self.node_id.encode("utf-8")).hexdigest(),
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}
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def __repr__(self):
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return introspect(self)
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def initialize(self):
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self.logger.info("Controller module loaded")
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def process_cbt(self, cbt: CBT):
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if cbt.is_expired:
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self.abort_handler(cbt)
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elif cbt.is_pending:
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self.req_handler_default(cbt)
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elif cbt.is_completed:
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if cbt.request.action == "TOP_QUERY_KNOWN_PEERS":
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self.resp_handler_query_known_peers(cbt)
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else:
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self.resp_handler_default(cbt)
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def on_timer_event(self):
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self.register_cbt("Topology", "TOP_QUERY_KNOWN_PEERS", None)
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def terminate(self):
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self.logger.info("Controller module terminated")
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def create_report(self, data):
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self._report["ReportId"] = self._report_id
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self._report_id += 1
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for olid in data:
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olid_hash = hashlib.sha256(olid.encode("utf-8")).hexdigest()
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if olid_hash not in self._report:
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self._report[olid_hash] = []
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for peer_id in data[olid]:
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peer_id_hash = hashlib.sha256(peer_id.encode("utf-8")).hexdigest()
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if peer_id_hash not in self._report[olid_hash]:
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self._report[olid_hash].append(peer_id_hash)
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def submit_report(self, rpt_data):
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self.logger.debug("report data= %s", rpt_data)
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url = None
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try:
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url = self.config["WebService"]
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req = request.Request(url=url, data=rpt_data)
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req.add_header("Content-Type", "application/json")
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res = request.urlopen(req)
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if res.getcode() != 200:
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self.logger.debug(
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"Usage report server indicated error: %s", res.getcode()
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)
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except (HTTPError, URLError) as error:
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log = "Usage report submission failed to server {0}. " "Error: {1}".format(
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url, error
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)
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self.logger.debug(log)
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def resp_handler_query_known_peers(self, cbt: CBT):
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if cbt.response.status:
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data = cbt.response.data
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with self._lck:
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self.create_report(data)
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rpt_data = json.dumps(self._report).encode("utf8")
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self._report = {
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"Version": self.version,
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"NodeId": hashlib.sha256(self.node_id.encode("utf-8")).hexdigest(),
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}
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self.submit_report(rpt_data)
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self.free_cbt(cbt)
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