2024-09-18 04:37:43 +03:00

63 lines
2.8 KiB
Python

# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com> #
# #
# 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 aiohttp.web import Request
from aiohttp.web import StreamResponse
from ....errors import OperationError
from ....htserver import exposed_http
from ....htserver import start_streaming
from ....validators.basic import valid_bool
from ....validators.kvm import valid_log_seek
from ..logreader import LogReader
# =====
class LogReaderDisabledError(OperationError):
def __init__(self) -> None:
super().__init__("LogReader is disabled")
class LogApi:
def __init__(self, log_reader: (LogReader | None)) -> None:
self.__log_reader = log_reader
# =====
@exposed_http("GET", "/log")
async def __log_handler(self, req: Request) -> StreamResponse:
if self.__log_reader is None:
raise LogReaderDisabledError()
seek = valid_log_seek(req.query.get("seek", 0))
follow = valid_bool(req.query.get("follow", False))
response = await start_streaming(req, "text/plain")
async for record in self.__log_reader.poll_log(seek, follow):
await response.write(("[%s %s] --- %s" % (
record["dt"].strftime("%Y-%m-%d %H:%M:%S"),
record["service"],
record["msg"],
)).encode("utf-8") + b"\r\n")
return response