122 lines
3.8 KiB
Python
122 lines
3.8 KiB
Python
# Copyright (C) 2019 Garmin Ltd.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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import logging
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import socket
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import bb.asyncrpc
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from . import create_async_client
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logger = logging.getLogger("hashserv.client")
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class AsyncClient(bb.asyncrpc.AsyncClient):
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MODE_NORMAL = 0
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MODE_GET_STREAM = 1
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def __init__(self):
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super().__init__('OEHASHEQUIV', '1.1', logger)
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self.mode = self.MODE_NORMAL
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async def setup_connection(self):
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await super().setup_connection()
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cur_mode = self.mode
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self.mode = self.MODE_NORMAL
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await self._set_mode(cur_mode)
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async def send_stream(self, msg):
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async def proc():
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self.writer.write(("%s\n" % msg).encode("utf-8"))
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await self.writer.drain()
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l = await self.reader.readline()
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if not l:
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raise ConnectionError("Connection closed")
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return l.decode("utf-8").rstrip()
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return await self._send_wrapper(proc)
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async def _set_mode(self, new_mode):
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if new_mode == self.MODE_NORMAL and self.mode == self.MODE_GET_STREAM:
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r = await self.send_stream("END")
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if r != "ok":
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raise ConnectionError("Bad response from server %r" % r)
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elif new_mode == self.MODE_GET_STREAM and self.mode == self.MODE_NORMAL:
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r = await self.send_message({"get-stream": None})
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if r != "ok":
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raise ConnectionError("Bad response from server %r" % r)
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elif new_mode != self.mode:
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raise Exception(
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"Undefined mode transition %r -> %r" % (self.mode, new_mode)
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)
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self.mode = new_mode
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async def get_unihash(self, method, taskhash):
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await self._set_mode(self.MODE_GET_STREAM)
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r = await self.send_stream("%s %s" % (method, taskhash))
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if not r:
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return None
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return r
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async def report_unihash(self, taskhash, method, outhash, unihash, extra={}):
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await self._set_mode(self.MODE_NORMAL)
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m = extra.copy()
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m["taskhash"] = taskhash
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m["method"] = method
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m["outhash"] = outhash
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m["unihash"] = unihash
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return await self.send_message({"report": m})
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async def report_unihash_equiv(self, taskhash, method, unihash, extra={}):
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await self._set_mode(self.MODE_NORMAL)
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m = extra.copy()
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m["taskhash"] = taskhash
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m["method"] = method
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m["unihash"] = unihash
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return await self.send_message({"report-equiv": m})
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async def get_taskhash(self, method, taskhash, all_properties=False):
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await self._set_mode(self.MODE_NORMAL)
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return await self.send_message(
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{"get": {"taskhash": taskhash, "method": method, "all": all_properties}}
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)
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async def get_outhash(self, method, outhash, taskhash):
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await self._set_mode(self.MODE_NORMAL)
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return await self.send_message(
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{"get-outhash": {"outhash": outhash, "taskhash": taskhash, "method": method}}
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)
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async def get_stats(self):
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await self._set_mode(self.MODE_NORMAL)
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return await self.send_message({"get-stats": None})
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async def reset_stats(self):
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await self._set_mode(self.MODE_NORMAL)
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return await self.send_message({"reset-stats": None})
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async def backfill_wait(self):
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await self._set_mode(self.MODE_NORMAL)
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return (await self.send_message({"backfill-wait": None}))["tasks"]
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class Client(bb.asyncrpc.Client):
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def __init__(self):
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super().__init__()
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self._add_methods(
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"connect_tcp",
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"get_unihash",
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"report_unihash",
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"report_unihash_equiv",
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"get_taskhash",
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"get_outhash",
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"get_stats",
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"reset_stats",
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"backfill_wait",
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)
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def _get_async_client(self):
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return AsyncClient()
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