Code snippet for Direct Methods

snippets/javascript.json

@@ -23,7 +23,7 @@
             "\t\tconsole.log('Could not connect: ' + err);",
             "\t} else {",
             "\t\tconsole.log('Client connected');",
-            "\t\tvar data = 'Hello IoT Hub!';",
+            "\t\tvar data = '${1:Hello IoT Hub!}';",
             "\t\tvar message = new Message(data);",
             "\t\tconsole.log('Sending message: ' + message.getData());",
             "\t\tclient.sendEvent(message, printResultFor('send', client));",
@@ -79,13 +79,14 @@
             "var Client = require('azure-iothub').Client;",
             "var Message = require('azure-iot-common').Message;",
             "var connectionString = '<iotHubConnectionString>';",
-            "var targetDevice = '<targetDeviceId>';",
+            "var targetDevice = '${1:<targetDeviceId>}';",
             "var serviceClient = Client.fromConnectionString(connectionString);",
             "",
             "function printResultFor(op) {",
             "\treturn function printResult(err, res) {",
             "\t\tif (err) console.log(op + ' error: ' + err.toString());",
             "\t\tif (res) console.log(op + ' status: ' + res.constructor.name);",
+            "\t\tserviceClient.close();",
             "\t};",
             "}",
             "",
@@ -102,7 +103,7 @@
             "\t} else {",
             "\t\tconsole.log('Service client connected');",
             "\t\tserviceClient.getFeedbackReceiver(receiveFeedback);",
-            "\t\tvar message = new Message('Cloud to device message.');",
+            "\t\tvar message = new Message('${2:Cloud to device message.}');",
             "\t\tmessage.ack = 'full';",
             "\t\tmessage.messageId = 'My Message ID ';",
             "\t\tconsole.log('Sending message: ' + message.getData());",
@@ -143,5 +144,67 @@
             "",
             "client.open(connectCallback);"
         ]
+    },
+    "Call direct methods": {
+        "prefix": "iotCallDirectMethods",
+        "description": "Call direct methods",
+        "body": [
+            "'use strict';",
+            "",
+            "var Client = require('azure-iothub').Client;",
+            "var connectionString = '<iotHubConnectionString>';",
+            "",
+            "var methodName = '${2:writeLine}';",
+            "var deviceId = '${1:<targetDeviceId>}';",
+            "var client = Client.fromConnectionString(connectionString);",
+            "",
+            "var methodParams = {",
+            "\tmethodName: methodName,",
+            "\tpayload: 'a line to be written',",
+            "\ttimeoutInSeconds: 30",
+            "};",
+            "",
+            "client.invokeDeviceMethod(deviceId, methodParams, function (err, result) {",
+            "\tif (err) {",
+            "\t\tconsole.error('Failed to invoke method \\'' + methodName + '\\': ' + err.message);",
+            "\t} else {",
+            "\t\tconsole.log(methodName + ' on ' + deviceId + ':');",
+            "\t\tconsole.log(JSON.stringify(result, null, 2));",
+            "\t}",
+            "});"
+        ]
+    },
+    "Receive direct methods": {
+        "prefix": "iotReceiveDirectMethods",
+        "description": "Receive direct methods",
+        "body": [
+            "'use strict';",
+            "",
+            "var Mqtt = require('azure-iot-device-mqtt').Mqtt;",
+            "var DeviceClient = require('azure-iot-device').Client;",
+            "var connectionString = '<deviceConnectionString>';",
+            "var client = DeviceClient.fromConnectionString(connectionString, Mqtt);",
+            "",
+            "function onWriteLine(request, response) {",
+            "\tconsole.log(request.payload);",
+            "",
+            "\tresponse.send(200, 'Input was written to log.', function (err) {",
+            "\t\tif (err) {",
+            "\t\t\tconsole.error('An error ocurred when sending a method response:\\n' + err.toString());",
+            "\t\t} else {",
+            "\t\t\tconsole.log('Response to method \\'' + request.methodName + '\\' sent successfully.');",
+            "\t\t}",
+            "\t});",
+            "}",
+            "",
+            "client.open(function (err) {",
+            "\tif (err) {",
+            "\t\tconsole.error('could not open IotHub client');",
+            "\t} else {",
+            "\t\tconsole.log('client opened');",
+            "\t\tclient.onDeviceMethod('${1:writeLine}', onWriteLine);",
+            "\t}",
+            "});"
+        ]
     }
 }