forked from platformio/platformio-core
105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import hashlib
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import os
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import signal
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import tempfile
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from platformio import fs, proc
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from platformio.cache import ContentCache
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from platformio.compat import IS_WINDOWS, hashlib_encode_data
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from platformio.debug.process.base import DebugBaseProcess
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from platformio.debug.process.server import DebugServerProcess
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from platformio.project.helpers import get_project_cache_dir
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class DebugClientProcess(DebugBaseProcess):
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def __init__(self, project_dir, debug_config):
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super().__init__()
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self.project_dir = project_dir
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self.debug_config = debug_config
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self._server_process = None
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self._session_id = None
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if not os.path.isdir(get_project_cache_dir()):
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os.makedirs(get_project_cache_dir())
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self.working_dir = tempfile.mkdtemp(
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dir=get_project_cache_dir(), prefix=".piodebug-"
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)
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self._target_is_running = False
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self._errors_buffer = b""
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async def run(self):
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session_hash = (
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self.debug_config.client_executable_path + self.debug_config.program_path
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)
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self._session_id = hashlib.sha1(hashlib_encode_data(session_hash)).hexdigest()
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self._kill_previous_session()
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if self.debug_config.server:
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self._server_process = DebugServerProcess(self.debug_config)
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self.debug_config.port = await self._server_process.run()
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def connection_made(self, transport):
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super().connection_made(transport)
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self._lock_session(transport.get_pid())
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# Disable SIGINT and allow GDB's Ctrl+C interrupt
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signal.signal(signal.SIGINT, lambda *args, **kwargs: None)
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self.connect_stdin_pipe()
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def process_exited(self):
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if self._server_process:
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self._server_process.terminate()
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super().process_exited()
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def close(self):
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self._unlock_session()
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if self.working_dir and os.path.isdir(self.working_dir):
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fs.rmtree(self.working_dir)
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def __del__(self):
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self.close()
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def _kill_previous_session(self):
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assert self._session_id
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pid = None
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with ContentCache() as cc:
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pid = cc.get(self._session_id)
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cc.delete(self._session_id)
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if not pid:
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return
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if IS_WINDOWS:
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kill = ["Taskkill", "/PID", pid, "/F"]
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else:
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kill = ["kill", pid]
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try:
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proc.exec_command(kill)
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except: # pylint: disable=bare-except
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pass
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def _lock_session(self, pid):
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if not self._session_id:
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return
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with ContentCache() as cc:
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cc.set(self._session_id, str(pid), "1h")
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def _unlock_session(self):
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if not self._session_id:
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return
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with ContentCache() as cc:
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cc.delete(self._session_id)
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