def conn_opc(): # OPCサーバに接続 cl = Client("opc.tcp://192.168.10.5:51110/CogentDataHub/DataAccess") # クライアント証明書のapplication_uri cl.application_uri = "urn:desktop-i50i89m:Cogent DataHub" # policy設定 print("secPolicy: " + str(secPolicy)) if secPolicy != policies[0]: # None以外の場合SecurityPolicyを設定 mode = ua.MessageSecurityMode.SignAndEncrypt pc = getattr(security_policies, 'SecurityPolicy' + secPolicy) # 第二引数:クライアント証明書 cl.set_security( pc, "/Users/watarium/PycharmProjects/opcua/OPCUA_CL.der", "/Users/watarium/PycharmProjects/opcua/OPCUAClient.pem", "/Users/watarium/PycharmProjects/opcua/OPCUAServer.der", mode) # 認証設定 if setCert == certs[1]: # user/pass cl.set_user("admin") cl.set_password("1234") elif setCert == certs[2]: # certificate cl.load_private_key( "/Users/watarium/PycharmProjects/opcua/OPCUAClient.pem") cl.load_client_certificate( "/Users/watarium/PycharmProjects/opcua/OPCUA_CL.der") try: # 接続 print("Policy: {0}, Certificate: {1}".format(secPolicy, setCert)) print("---------------------Connection start-----------------------") cl.connect() sleep(5) # 情報取得 ep = cl.get_endpoints() print(ep[0].Server.ApplicationUri) root = cl.get_root_node() print("Objects node is: ", root) print(cl.get_namespace_array()) print(cl.get_namespace_index('urn:win-9hi38ajrojd:Cogent DataHub')) #これがうまくいかなかった(2019/06/27) #node = cl.get_node('ns=1;s=xxxxx') #print(node.get_value()) #node.set_attribute(ua.AttributeIds.Value, 1) # 切断 cl.disconnect() print("-------------------Connection Success!!!--------------------") except Exception as e: print("---------------------Connection Faild!!---------------------") print(e) cl.disconnect()
def uaclient(): parser = argparse.ArgumentParser( description= "Connect to server and start python shell. root and objects nodes are available. Node specificed in command line is available as mynode variable" ) add_common_args(parser) parser.add_argument("-c", "--certificate", help="set client certificate") parser.add_argument("-k", "--private_key", help="set client private key") args = parse_args(parser) client = Client(args.url, timeout=args.timeout) client.set_security_string(args.security) if args.certificate: client.load_client_certificate(args.certificate) if args.private_key: client.load_private_key(args.private_key) client.connect() try: root = client.get_root_node() objects = client.get_objects_node() mynode = get_node(client, args) embed() finally: client.disconnect() sys.exit(0)
def uaclient(): parser = argparse.ArgumentParser(description="Connect to server and start python shell. root and objects nodes are available. Node specificed in command line is available as mynode variable") add_common_args(parser) parser.add_argument("-c", "--certificate", help="set client certificate") parser.add_argument("-k", "--private_key", help="set client private key") args = parse_args(parser) client = Client(args.url, timeout=args.timeout) _configure_client_with_args(client, args) if args.certificate: client.load_client_certificate(args.certificate) if args.private_key: client.load_private_key(args.private_key) client.connect() try: root = client.get_root_node() objects = client.get_objects_node() mynode = get_node(client, args) embed() finally: client.disconnect() sys.exit(0)
client = Client("opc.tcp://localhost:4840") uasecurity = UaSecurity() if uasecurity.get_securitytype() == 'tls': server_cert, client_cert, private_key = uasecurity.get_certificates() if server_cert is None: print( 'tls is enabled, but server cert is missing with current configuration' ) sys.exit(-1) if private_key is None: print( 'tls is enabled, but private key is missing with current configuration' ) sys.exit(-1) client.load_client_certificate(server_cert) client.load_private_key(private_key) try: client.connect() # Client has a few methods to get proxy to UA nodes that should always # be in address space such as Root or Objects root = client.get_root_node() print("Root node is: ", root) objects = client.get_objects_node() #print("Objects node is: ", objects) # Node objects have methods to read and write node attributes as well as browse or populate address space #print("Children of root are: ", root.get_children()) #obj = root.get_child(["0:Objects"])
import sys sys.path.insert(0, "..") from opcua import Client, ua from opcua.crypto import security_policies if __name__ == "__main__": client = Client("opc.tcp://*****:*****@localhost:4840/freeopcua/server/") #connect using a user try: client.connect() # Client has a few methods to get proxy to UA nodes that should always be in address space such as Root or Objects root = client.get_root_node() print("Objects node is: ", root) # Node objects have methods to read and write node attributes as well as browse or populate address space print("Children of root are: ", root.get_children()) # get a specific node knowing its node id #var = client.get_node(ua.NodeId(1002, 2)) #var = client.get_node("ns=3;i=2002") #print(var)
import sys sys.path.insert(0, "..") import logging from IPython import embed from opcua import Client if __name__ == "__main__": logging.basicConfig(level=logging.WARN) client = Client("opc.tcp://localhost:53530/OPCUA/SimulationServer/") client.load_client_certificate("server_cert.pem") client.load_private_key("mykey.pem") try: client.connect() root = client.get_root_node() objects = client.get_objects_node() print("childs og objects are: ", objects.get_children()) embed() finally: client.disconnect()