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# Copyright (C) 2019 Garmin Ltd.
#
# SPDX-License-Identifier: GPL-2.0-only
#
import logging
import socket
import bb.asyncrpc
import json
from . import create_async_client
logger = logging.getLogger("hashserv.client")
class AsyncClient(bb.asyncrpc.AsyncClient):
MODE_NORMAL = 0
MODE_GET_STREAM = 1
def __init__(self, username=None, password=None):
super().__init__("OEHASHEQUIV", "1.1", logger)
self.mode = self.MODE_NORMAL
self.username = username
self.password = password
self.saved_become_user = None
async def setup_connection(self):
await super().setup_connection()
cur_mode = self.mode
self.mode = self.MODE_NORMAL
await self._set_mode(cur_mode)
if self.username:
# Save off become user temporarily because auth() resets it
become = self.saved_become_user
await self.auth(self.username, self.password)
if become:
await self.become_user(become)
async def send_stream(self, msg):
async def proc():
await self.socket.send(msg)
return await self.socket.recv()
return await self._send_wrapper(proc)
async def _set_mode(self, new_mode):
async def stream_to_normal():
await self.socket.send("END")
return await self.socket.recv()
if new_mode == self.MODE_NORMAL and self.mode == self.MODE_GET_STREAM:
r = await self._send_wrapper(stream_to_normal)
if r != "ok":
self.check_invoke_error(r)
raise ConnectionError("Unable to transition to normal mode: Bad response from server %r" % r)
elif new_mode == self.MODE_GET_STREAM and self.mode == self.MODE_NORMAL:
r = await self.invoke({"get-stream": None})
if r != "ok":
raise ConnectionError("Unable to transition to stream mode: Bad response from server %r" % r)
elif new_mode != self.mode:
raise Exception(
"Undefined mode transition %r -> %r" % (self.mode, new_mode)
)
self.mode = new_mode
async def get_unihash(self, method, taskhash):
await self._set_mode(self.MODE_GET_STREAM)
r = await self.send_stream("%s %s" % (method, taskhash))
if not r:
return None
return r
async def report_unihash(self, taskhash, method, outhash, unihash, extra={}):
await self._set_mode(self.MODE_NORMAL)
m = extra.copy()
m["taskhash"] = taskhash
m["method"] = method
m["outhash"] = outhash
m["unihash"] = unihash
return await self.invoke({"report": m})
async def report_unihash_equiv(self, taskhash, method, unihash, extra={}):
await self._set_mode(self.MODE_NORMAL)
m = extra.copy()
m["taskhash"] = taskhash
m["method"] = method
m["unihash"] = unihash
return await self.invoke({"report-equiv": m})
async def get_taskhash(self, method, taskhash, all_properties=False):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke(
{"get": {"taskhash": taskhash, "method": method, "all": all_properties}}
)
async def get_outhash(self, method, outhash, taskhash, with_unihash=True):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke(
{
"get-outhash": {
"outhash": outhash,
"taskhash": taskhash,
"method": method,
"with_unihash": with_unihash,
}
}
)
async def get_stats(self):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke({"get-stats": None})
async def reset_stats(self):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke({"reset-stats": None})
async def backfill_wait(self):
await self._set_mode(self.MODE_NORMAL)
return (await self.invoke({"backfill-wait": None}))["tasks"]
async def remove(self, where):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke({"remove": {"where": where}})
async def clean_unused(self, max_age):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke({"clean-unused": {"max_age_seconds": max_age}})
async def auth(self, username, token):
await self._set_mode(self.MODE_NORMAL)
result = await self.invoke({"auth": {"username": username, "token": token}})
self.username = username
self.password = token
self.saved_become_user = None
return result
async def refresh_token(self, username=None):
await self._set_mode(self.MODE_NORMAL)
m = {}
if username:
m["username"] = username
result = await self.invoke({"refresh-token": m})
if (
self.username
and not self.saved_become_user
and result["username"] == self.username
):
self.password = result["token"]
return result
async def set_user_perms(self, username, permissions):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke(
{"set-user-perms": {"username": username, "permissions": permissions}}
)
async def get_user(self, username=None):
await self._set_mode(self.MODE_NORMAL)
m = {}
if username:
m["username"] = username
return await self.invoke({"get-user": m})
async def get_all_users(self):
await self._set_mode(self.MODE_NORMAL)
return (await self.invoke({"get-all-users": {}}))["users"]
async def new_user(self, username, permissions):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke(
{"new-user": {"username": username, "permissions": permissions}}
)
async def delete_user(self, username):
await self._set_mode(self.MODE_NORMAL)
return await self.invoke({"delete-user": {"username": username}})
async def become_user(self, username):
await self._set_mode(self.MODE_NORMAL)
result = await self.invoke({"become-user": {"username": username}})
if username == self.username:
self.saved_become_user = None
else:
self.saved_become_user = username
return result
async def get_db_usage(self):
await self._set_mode(self.MODE_NORMAL)
return (await self.invoke({"get-db-usage": {}}))["usage"]
async def get_db_query_columns(self):
await self._set_mode(self.MODE_NORMAL)
return (await self.invoke({"get-db-query-columns": {}}))["columns"]
class Client(bb.asyncrpc.Client):
def __init__(self, username=None, password=None):
self.username = username
self.password = password
super().__init__()
self._add_methods(
"connect_tcp",
"connect_websocket",
"get_unihash",
"report_unihash",
"report_unihash_equiv",
"get_taskhash",
"get_outhash",
"get_stats",
"reset_stats",
"backfill_wait",
"remove",
"clean_unused",
"auth",
"refresh_token",
"set_user_perms",
"get_user",
"get_all_users",
"new_user",
"delete_user",
"become_user",
"get_db_usage",
"get_db_query_columns",
)
def _get_async_client(self):
return AsyncClient(self.username, self.password)
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