分布式物联网控制器终端

controller/controllerServer.py

-'''
-***********************************************
-*      智能体控制器函数                       *
-*    功能描述：                               *
-*    1. 接收应用层的控制指令                  *
-*    2. 向智能体传递控制指令                  *
-*    3. 执行突发事件请求                      *
-*    4. 接收智能体未标识控制指令（暂未开发）  *
-*                                             *        
-*            author: joliu<joliu@s-an.org>    *
-*            date: 2018-3-23                  *
-***********************************************
-'''
-
-# 通过socket传递信息
-def sendBySocket(ip, port, cmd):
-    try:
-        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    except socket.error as err_msg:
-        print("Error creating socket:%s" % err_msg)
-        s.close()
-        return (-1, err_msg)
-    try:
-        s.connect((ip, port))
-    except socket.error as err_msg:
-        print("Address-related error connecting to server: %s" % err_msg)
-        s.close()
-        return (-1, err_msg)
-
-    print("****************send:" + cmd)
-    try:
-        s.sendall(cmd.encode())
-    except socket.error as err_msg:
-        print("Error sending data: %s" % err_msg)
-        s.close()
-        return (-1, err_msg)
-
-    try:
-        response = s.recv(1024).decode()
-    except socket.error as err_msg:
-        print("Error receiving data: %s" % err_msg)
-        s.close()
-        return (-1, err_msg)
-    try:
-        response = s.recv(1024).decode()
-    except socket.error as err_msg:
-        print("Error receiving data: %s" % err_msg)
-        s.close()
-        return (-1, err_msg)
-
-    print(str(response))
-    s.close()
-
-    return (1, str(response))
-
-
-# socket实现版本，也可以基于RESTful API实现
-class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
-    '''
-    监听控制请求
-    '''
-    def handle(self):
-        try:
-            # 接受socket消息
-            data = self.request.recv(1024).decode()
-        except socket.error as err_msg:
-            (status, output) = (-1, err_msg)
-             print("recv error!")
-             exit(1)
-
-        # 根据传递的消息进行操作 
-        (status, output) = chooseTask(data)
-
-        # 返回控制结果
-        jresp = json.dumps((status, str(output)))
-        try:
-            self.request.sendall(jresp.encode())
-        except socket.error as err_msg:
-            print("socket send failed:%s" % err_msg)
-            exit(1)
-
-
-class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
-    pass
-
-if __name__ == "__main__":
-    # 设置host和port
-    HOST, PORT = "0.0.0.0", 3000
-    logger = logging.getLogger("TCPServer")
-    logger.setLevel(logging.INFO)
-
-    # 创建句柄
-    fh = logging.FileHandler("1.log")
-
-    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s -\
-        %(message)s')
-    # 添加句柄到logger类
-    logger.addHandler(fh)
-
-    logger.info("Program started")
-    socketserver.TCPServer.allow_reuse_address = True
-    server = ThreadedTCPServer((HOST, PORT), ThreadedTCPRequestHandler)
-    ip, port = server.server_address
-
-    # 启动多进程监听服务
-    server_thread = threading.Thread(target=server.serve_forever)
-    # 当主进程中断时退出程序
-    server_thread.daemon = True
-    server_thread.start()
-    logger.info("Server loop running in thread:" + server_thread.name)
-    logger.info("....waiting for connection")
-
-    # 使用control + C 退出程序
-    server.serve_forever()
-