mikakaraila
commented
9 months ago Hmm, server cannot change it´s own endpoint. But here is my example how client node can be dynamically change connection parameters: RECONNECT.txt
It is not using method node as it is related to server own methods to be executed.
I am trying to dynamically set the OPCUA endpoint to call a method through an OPCUA-Methd node:
const output = { endpoint : msg.req.body.endpoint, objectId : "ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch", methodId : "ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch.AdminBatchOPCUAAdvancedControlHandler.ctc", };
output.inputArguments = [ { dataType: "String", value: msg.req.body.BatchName}, { dataType: "String", value: msg.req.body.BatchDescription}, { dataType: "String", value: msg.req.body.AdminCommandType}, ];
output.OpcUaEndpoint = { credentials: {}, endpoint: msg.req.body.endpoint, securityPolicy: 'None', securityMode: 'None', login: false, user: undefined, password: undefined } return output;
It is not working, I receive the following error from the node: "Method node error on node: ".
How can I set the endpoint?
My full flow:
[ { "id": "c7ed9d758f01d7d0", "type": "tab", "label": "Flow 1", "disabled": false, "info": "", "env": [] }, { "id": "52f3edbc.9091b4", "type": "debug", "z": "c7ed9d758f01d7d0", "name": "Params", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 420, "y": 140, "wires": [] }, { "id": "fd93261f.62d3c8", "type": "http in", "z": "c7ed9d758f01d7d0", "name": "Create Batch EP", "url": "/createBatchEP", "method": "get", "upload": false, "swaggerDoc": "", "x": 140, "y": 80, "wires": [ [ "7541c0a6.b5541", "606c75cc.23b8ec" ] ] }, { "id": "783d03af.4301fc", "type": "http response", "z": "c7ed9d758f01d7d0", "name": "Result response", "statusCode": "200", "headers": {}, "x": 920, "y": 200, "wires": [] }, { "id": "606c75cc.23b8ec", "type": "function", "z": "c7ed9d758f01d7d0", "name": "BuildParams", "func": "const output = {\n endpoint : msg.req.body.endpoint,\n objectId : \"ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch\",\n methodId : \"ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch.AdminBatchOPCUAAdvancedControlHandler.ctc\",\n};\n\noutput.inputArguments = [\n { dataType: \"String\", value: msg.req.body.BatchName},\n { dataType: \"String\", value: msg.req.body.BatchDescription},\n { dataType: \"String\", value: msg.req.body.AdminCommandType},\n];\n\noutput.OpcUaEndpoint = {\n credentials: {},\n endpoint: msg.req.body.endpoint,\n securityPolicy: 'None',\n securityMode: 'None',\n login: false,\n user: undefined,\n password: undefined \n}\n\n\nreturn output;\n\n/\nmsg.topic=\"Reconnect\";\nmsg.action=\"reconnect\";\nmsg.OpcUaEndpoint = {\n credentials: {},\n endpoint: 'opc.tcp://192.168.178.47:4840',\n securityPolicy: 'None',\n securityMode: 'None',\n login: false,\n user: undefined,\n password: undefined \n}\n\nreturn msg;\n/", "outputs": 1, "timeout": "", "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 330, "y": 80, "wires": [ [ "a0d081dc.595a2", "52f3edbc.9091b4" ] ] }, { "id": "4638ecbd.8cf4e4", "type": "function", "z": "c7ed9d758f01d7d0", "name": "BuildReturnMsg", "func": "context.data = context.data || {};\n\nswitch (msg.topic) {\n case \"reqres\":\n context.data.reqres = msg;\n msg = null;\n break;\n case \"opcua\":\n context.data.opcua = msg;\n msg = null;\n break;\n default:\n msg = null;\n \tbreak;\n}\n\nif(context.data.reqres != null && context.data.opcua != null ) {\n var newMsg = context.data.opcua;\n\tnewMsg.req = context.data.reqres.req;\n newMsg.res = context.data.reqres.res;\n / msg.payload.statusCode = context.data.opcua.result.statusCode.value;/\n /newMsg.payload = context.data.opcua.result.outputArguments[0].value;/\n newMsg.payload = {msg: context.data.opcua.result.outputArguments[0].value,statusCode:context.data.opcua.result.statusCode.value};\n context.data=null;\n\treturn newMsg;\n} else return msg;\n", "outputs": 1, "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 700, "y": 200, "wires": [ [ "4c2da975.99adc8", "783d03af.4301fc" ] ] }, { "id": "7541c0a6.b5541", "type": "change", "z": "c7ed9d758f01d7d0", "name": "Pass on req and res", "rules": [ { "t": "set", "p": "topic", "pt": "msg", "to": "reqres", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 360, "y": 200, "wires": [ [ "831eff61.4c76b", "4638ecbd.8cf4e4" ] ] }, { "id": "831eff61.4c76b", "type": "debug", "z": "c7ed9d758f01d7d0", "name": "Method Vars", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 570, "y": 260, "wires": [] }, { "id": "4c2da975.99adc8", "type": "debug", "z": "c7ed9d758f01d7d0", "name": "WebBundle", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 910, "y": 260, "wires": [] }, { "id": "f3500478.d31bb8", "type": "debug", "z": "c7ed9d758f01d7d0", "name": "Result", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 890, "y": 80, "wires": [] }, { "id": "53a549da.5dd158", "type": "change", "z": "c7ed9d758f01d7d0", "name": "", "rules": [ { "t": "set", "p": "topic", "pt": "msg", "to": "opcua", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 690, "y": 140, "wires": [ [ "4638ecbd.8cf4e4" ] ] }, { "id": "a0d081dc.595a2", "type": "OpcUa-Method", "z": "c7ed9d758f01d7d0", "endpoint": "372390d2881694df", "objectId": "ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch", "methodId": "ns=2;s=AdvancedMethods.OPCUA_Method_AdminBatch.AdminBatchOPCUAAdvancedControlHandler.ctc", "name": "CreateBatch", "inputArguments": [], "arg0name": "BatchName", "arg0type": "String", "arg0typeid": "", "arg0value": "", "arg1name": "BatchDescription", "arg1type": "String", "arg1typeid": "", "arg1value": "", "arg2name": "AdminCommandType", "arg2type": "String", "arg2typeid": "", "arg2value": "", "out0name": "ReturnCode", "out0type": "Int32", "out0typeid": "", "out0value": "", "x": 570, "y": 80, "wires": [ [ "f3500478.d31bb8", "53a549da.5dd158" ] ] }, { "id": "372390d2881694df", "type": "OpcUa-Endpoint", "endpoint": "opc.tcp://0.0.0.0:4840/", "secpol": "None", "secmode": "None", "none": true, "login": false, "usercert": false, "usercertificate": "", "userprivatekey": "" } ]
Thanks,
Guillermo