eris/worker.py

63 lines
1.7 KiB
Python
Executable file

#!/usr/bin/env python3
# Copyright (C) 2015-2016 Andrew Hamilton. All rights reserved.
# Licensed under the Artistic License 2.0.
import os
import signal
import subprocess
import psutil
import tools
import vigil
def make_process_nicest(pid):
process = psutil.Process(pid)
process.nice(19)
process.ionice(psutil.IOPRIO_CLASS_IDLE)
class Worker:
def __init__(self, sandbox):
self.sandbox = sandbox
if sandbox is None:
self.process = subprocess.Popen(
[__file__], stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
else:
cache_path = os.path.join(os.getcwd(), vigil._CACHE_PATH)
self.cache_mount = sandbox.mount_point + cache_path
subprocess.check_call(["sudo", "mount", "--bind", cache_path,
self.cache_mount])
self.process = sandbox.Popen([__file__])
self.child_pid = int(self.process.stdout.readline())
make_process_nicest(self.child_pid)
def run_tool(self, path, tool):
self.process.stdin.write(("%s\n%s\n" %
(tool.__qualname__, path)).encode("utf-8"))
self.process.stdin.flush()
return int(self.process.stdout.readline())
def pause(self):
os.kill(self.child_pid, signal.SIGSTOP)
def continue_(self):
os.kill(self.child_pid, signal.SIGCONT)
def main():
print(os.getpid(), flush=True)
while True:
tool_name, path = input(), input()
tool = getattr(tools, tool_name)
result = vigil.Result(path, tool)
status, result.result = tools.run_tool_no_error(path, tool)
print(status, flush=True)
if __name__ == "__main__":
main()