CT_project/指令检查节点/node.py

import datetime
import time
import async_communication as CM
import message_pb2 as message
import google.protobuf.text_format as tf
import CheckEntrance as CHE
import threading
# 状态消息接收器参数
statu_ex_keys = [
    ["statu_ex","in_mcpu_1_statu_port"],
    ["statu_ex","in_mcpu_2_statu_port"],
    ["statu_ex","in_mcpu_3_statu_port"],
    ["statu_ex","in_mcpu_4_statu_port"],
    ["statu_ex","in_mcpu_5_statu_port"],
    ["statu_ex","in_mcpu_6_statu_port"],
    ["statu_ex","measure_1_statu_port"],
    ["statu_ex","measure_2_statu_port"],
    ["statu_ex","measure_3_statu_port"],
    ["statu_ex","measure_4_statu_port"],
    ["statu_ex","measure_5_statu_port"],
    ["statu_ex","measure_6_statu_port"]
]
# mq参数
mq_ip = "192.168.1.233"
mq_port = 5672
mq_user = "zx"
mq_password = "zx123456"
ex_name = "command_ex"

def user_command_callback(body):
    if body.find("car_number")>=0:
        check_park_command(body)
    elif body.find("primary_key")>=0:
        check_pick_command(body)
    else:
        print("指令类型错误！\n%s" % body)




def check_park_command(body):
    print("recieve park_command_queue message:%s" % body)
    park = message.park_table()
    tf.Parse(body, park)
    table = EntranceCheckers[park.terminal_id-1].entrance_isOK(park)
    cmd = message.park_table()
    tf.Parse(table, cmd)
    if cmd.statu.execute_statu == message.eNormal:
        # 指令检查正常
        print("停车指令 %s OK: 车牌号:%s    检查成功!" % (
            datetime.datetime.now(), cmd.car_number))
        response_port = "command_enqueue_port"
    else:
        print("停车指令 %s ERROR: 车牌号:%s    检查失败!" % (
            datetime.datetime.now(), cmd.car_number))
        response_port = "park_response_%d_port" % cmd.terminal_id

    g_rabbitmq.publish( ex_name, response_port,table)
    print("发送反馈端口:%s    反馈表单：%s"%(response_port,table))


def check_pick_command(body):
    print("recv pick_command_queue message:%s" % body)
    pick = message.pick_table()
    tf.Parse(body, pick)
    table = EntranceCheckers[0].exit_isOK(pick)
    cmd = message.pick_table()
    tf.Parse(table, cmd)
    if cmd.statu.execute_statu == message.eNormal:
        # 指令检查正常
        print("取车指令 %s OK : 唯一码:%s    检查成功!" % (
            datetime.datetime.now(), cmd.primary_key))
        response_port = "command_enqueue_port"
    else:
        print("取车指令 %s ERROR : 唯一码:%s    检查失败!" % (
            datetime.datetime.now(), cmd.primary_key))
        response_port = "pick_response_%d_port" % cmd.terminal_id

    g_rabbitmq.publish( ex_name, response_port,table)
    print("发送反馈端口:%s    反馈表单：%s"%(response_port,table))


def statu_msg_thread():
    statu = message.table_statu()
    statu.execute_statu = message.eNormal
    body = tf.MessageToString(statu, as_utf8=True)

    while True:
        g_rabbitmq.publish("statu_ex", "command_check_statu_port",body)
        time.sleep(1)



cmd_callbacks=[["user_command_queue",user_command_callback]]
g_rabbitmq=CM.RabbitAsyncCommunicator(mq_ip,mq_port,mq_user,mq_password)
g_rabbitmq.Init(cmd_callbacks,statu_ex_keys)
g_rabbitmq.start()

EntranceCheckers=[]
for i in range(6):
    checker=CHE.EntranceChecker()
    g_rabbitmq.bind_statu_callback("statu_ex", "in_mcpu_%d_statu_port"%(i+1), checker.receive_icpu)
    g_rabbitmq.bind_statu_callback("statu_ex", "measure_%d_statu_port"%(i+1), checker.receive_measureInfo)
    EntranceCheckers.append(checker)
    checker.start()



if __name__ == '__main__':
# 消费指令消息
    statu = message.table_statu()
    statu.execute_statu = message.eNormal
    body = tf.MessageToString(statu, as_utf8=True)
    while True:
        g_rabbitmq.publish("statu_ex", "command_check_statu_port",body)
        time.sleep(1)