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import http.server
import socketserver
import time
from urllib.parse import urlparse, parse_qs
from threading import Lock
from enum import Enum
import psutil
class TestState(Enum):
start_state = 0
mycopy_started = 1
myfail_done = 2
class Response(Enum):
OK = 200
WAIT = 201
DONE = 202
def server_thread(PORT):
class S(http.server.BaseHTTPRequestHandler):
current_state = TestState.start_state
mutex = Lock()
pid_killed_tries = 20
def do_GET(self):
gets = parse_qs(urlparse(self.path).query)
# the two tasks will communicate with the server with basic get
# requests, either updating or getting the state of the test to
# know if they continue. The server is regluating the state and making
# the right criteria is in place from both tasks before moving the
# test state forward.
if gets.get('set_mycopy_started'):
S.mutex.acquire()
if S.current_state == TestState.start_state:
S.current_state = TestState.mycopy_started
response = Response.OK
else:
response = Response.WAIT
S.mutex.release()
elif gets.get('get_mycopy_started'):
S.mutex.acquire()
if S.current_state == TestState.mycopy_started:
response = Response.OK
else:
response = Response.WAIT
S.mutex.release()
elif gets.get('set_myfail_done'):
S.mutex.acquire()
if S.current_state == TestState.mycopy_started:
count = 0
pid = int(gets.get('pid')[0])
while psutil.pid_exists(pid) and count < self.pid_killed_tries:
time.sleep(0.5)
count += 1
if not psutil.pid_exists(pid):
S.current_state = TestState.myfail_done
response = Response.DONE
else:
response = Response.WAIT
else:
response = Response.WAIT
S.mutex.release()
elif gets.get('get_myfail_done'):
S.mutex.acquire()
if S.current_state == TestState.myfail_done:
response = Response.OK
else:
response = Response.WAIT
S.mutex.release()
else:
response = Response.WAIT
self.send_response(response.value)
self.send_header('Content-type', 'text/html')
self.end_headers()
if response != Response.DONE:
self.wfile.write("".encode('utf-8'))
def log_message(self, format, *args):
return
httpd = socketserver.TCPServer(("127.0.0.1", PORT), S)
httpd.serve_forever()
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