def on_resume(self, id):
self.lock.acquire()
isok = False
flag = 0
try:
index = find_request_by_id(id, self.pause_queue)
request1 = self.pause_queue[int(index)]
if len(self.serve_queue) < int(
self.max_serve_num): # 如果服务队列不满，则直接加入服务队列
self.serve_queue.append(request1)
self.serve_time_list.append(0)
client = g_conn_pool_dict[id]
client.sendall(RUNNINGMSG.encode('utf-8'))
room_dict[id].request_state = 'running'
flag = 1
else:
locate = self.select_lowest_request() # 如果队列满，欺负最弱的
if request1.speed > self.serve_queue[locate].speed:
self.swap_out(self.serve_queue[locate].id)
self.serve_queue.append(request1)
self.serve_time_list.append(0)
client = g_conn_pool_dict[id]
client.sendall(RUNNINGMSG.encode('utf-8'))
room_dict[id].request_state = 'running'
else: # 如果没有优先级更低的，进入等待队列
self.wait_queue.append(request1)
self.wait_time_list.append(0)
client = g_conn_pool_dict[id]
client.sendall(WAITINGMSG.encode('utf-8'))
room_dict[id].request_state = 'waiting'
flag = 2
self.pause_queue.remove(request1)
# 将结果写入数据库
now_time = get_sys_time()
# sql = ''
if flag == 1:
sql = "insert into log values('" + now_time + "','" + id + "', 'running','" + str(
request1.tem) + "','" + str(request1.speed) + "')"
DB_Log = DBOperation.IMapper()
DB_Log.update(sql)
DB_Log.DB.close_conn()
elif flag == 2:
sql = "insert into log values('" + now_time + "','" + id + "', 'waiting','" + str(
request1.tem) + "','" + str(request1.speed) + "')"
DB_Log = DBOperation.IMapper()
DB_Log.update(sql)
DB_Log.DB.close_conn()
finally:
self.lock.release()
def set_pause(self):
ac.handle_pause(self.id)
room = room_dict[self.id]
tem = room.ac_tem
speed = room.ac_speed
now_time = get_sys_time()
sql = "insert into log values('" + now_time + "','" + self.id + "','pausing','" + str(
tem) + "','" + str(speed) + "')"
DB_Log = DBOperation.IMapper()
DB_Log.update(sql)
DB_Log.DB.close_conn()
def getStaff():
sql = "select username, passwd from staff"
DB_Log = DBOperation.IMapper()
result = DB_Log.query(sql)
staff_dict = dict()
for x in result:
user = x[0]
pwd = x[1]
staff_dict[user] = pwd
DB_Log.DB.close_conn()
return staff_dict
def swap_out(self, id):
self.lock.acquire()
try:
# 写入数据库
room = room_dict[id]
now_time = get_sys_time()
sql = "insert into log values('" + now_time + "','" + id + "', 'swap out','" + str(
room.ac_tem) + "','" + str(room.ac_speed) + "')"
DB_Log = DBOperation.IMapper()
DB_Log.update(sql)
DB_Log.DB.close_conn()
result = find_request_by_id(id, self.serve_queue)
self.wait_queue.append(self.serve_queue[result])
self.wait_time_list.append(0)
self.serve_queue.remove(self.serve_queue[result])
self.serve_time_list.remove(self.serve_time_list[result])
client = g_conn_pool_dict[id]
client.sendall(WAITINGMSG.encode('utf-8'))
room_dict[id].request_state = 'waiting'
finally:
self.lock.release()
def add_request(self, request):
self.lock.acquire()
isok = False
try:
result = find_request_by_id(request.id, self.serve_queue)
if result != FAILMSG:
self.serve_queue.remove(self.serve_queue[result])
self.serve_time_list.remove(self.serve_time_list[result])
result = find_request_by_id(request.id, self.wait_queue)
if result != FAILMSG:
self.wait_queue.remove(self.wait_queue[result])
self.wait_time_list.remove(self.wait_time_list[result])
result = find_request_by_id(request.id, self.pause_queue)
if result != FAILMSG:
self.pause_queue.remove(self.pause_queue[result])
if len(self.serve_queue) < int(self.max_serve_num) and len(
self.wait_queue) == 0: # 如果服务队列有空位，直接加
self.serve_queue.append(request)
self.serve_time_list.append(0)
client = g_conn_pool_dict[request.id]
client.sendall(RUNNINGMSG.encode('utf-8'))
room_dict[request.id].request_state = 'running'
isok = True
else: # 如果服务队列没空位，选择性的加
if request.speed != LOW: # 不是低风，存在直接进入运行队列的可能性
locate = self.select_lowest_request()
if self.serve_queue[locate].speed < request.speed:
self.swap_out(self.serve_queue[locate].id)
self.serve_queue.append(request)
self.serve_time_list.append(0)
client = g_conn_pool_dict[request.id]
client.sendall(RUNNINGMSG.encode('utf-8'))
room_dict[request.id].request_state = 'running'
isok = True
else:
self.wait_queue.append(request) # 直接进入等待队列
self.wait_time_list.append(0)
client = g_conn_pool_dict[request.id]
client.sendall(WAITINGMSG.encode('utf-8'))
room_dict[request.id].request_state = 'waiting'
elif request.speed == LOW: # 如果是低风
self.wait_queue.append(request) # 直接进入等待队列
self.wait_time_list.append(0)
client = g_conn_pool_dict[request.id]
client.sendall(WAITINGMSG.encode('utf-8'))
room_dict[request.id].request_state = 'waiting'
# 将结果写入数据库
now_time = get_sys_time()
if isok:
sql = "insert into log values('" + now_time + "','" + request.id + "', 'running','" + str(
request.tem) + "','" + str(request.speed) + "')"
else:
sql = "insert into log values('" + now_time + "','" + request.id + "', 'waiting','" + str(
request.tem) + "','" + str(request.speed) + "')"
DB_Log = DBOperation.IMapper()
DB_Log.update(sql)
DB_Log.DB.close_conn()
finally:
self.lock.release()