def engine_start(self, task_id):
sys.stdout.write(
'%s |*|MetasearchingEngine receive task_id|*|: %s\n' %
(time.ctime(), task_id))
try:
engine = Metasearching_start(task_id, self.stdout, self.stderr,
self.mysql_host, self.mysql_user,
self.mysql_password, self.mysql_db,
self.mongo_db, self.mongo_host,
self.mongo_port, self.mongo_user,
self.mongo_password,
self.message_other_engine)
engine.start()
except Exception, e:
sys.stderr.write(
'%s %s task_id: %s: \n' %
(time.ctime(), OtherError(e, 'engine_start'), task_id))
traceback.print_exc()
def engine_start(self, task_id):
sys.stdout.write(
'%s |*|receive task_id|*|: %s\n' % (time.ctime(), task_id))
try:
engine = FiltrateStart(task_id, self.mysql_host, self.mysql_db,
self.mysql_user, self.mysql_password,
self.mongo_db, self.mongo_host, self.mongo_port,
self.mongo_user, self.mongo_password, self.message_other_engine,
self.write_process_pid, self.remove_process_pid)
engine.start()
except Exception, e:
sys.stderr.write('%s %s task_id: %s: \n' %
(time.ctime(), OtherError(e, 'engine_start'), task_id))
traceback.print_exc()
task_start_time = self.mysql_handle.get_task_last_time(task_id)
if task_start_time is not False:
self.mysql_handle.update_engine_state(
task_id, task_start_time, 'filtrate', 0)
os._exit(0)
sys.stdout.write('%s: monitor port %s\n' %
(time.ctime(), self.server_port))
sys.stdout.write(
'————————————————————————————————————————————————————\n')
sys.stderr.write(
'————————————————————————————————————————————————————\n')
while True:
conn, addr = sock.accept()
sys.stdout.write('%s request from : %s: ' % (time.ctime(), addr))
try:
response_thread = threading.Thread(target=self.response_server,
args=(conn, )) # 创建线程
except Exception, e:
sys.stderr.write(
'%s\n' %
OtherError(e, 'ServerBase run_server response message'))
response_thread.start() # 执行线程
sock.close()
def response_server(self, conn):
'''
响应当前服务接收到的请求，在子线程中完成，完成并行响应
'''
try:
message = conn.recv(self.MESSAGE_SIZE)
if message[0] is 'q': # 用来解析客户端发来的请求，请求开始任务格式为qr+任务ID
# conn.settimeout(5) #服务端等待客户端三秒
sys.stdout.write('client message : %s \n' % (message, ))
task_id = int(message[2:])
if len(message) == 2:
conn.send('failed')