Allow app id to be detected

Author: tobespc

index.js

@@ -13,19 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *******************************************************************************/
-
 var path = require("path")
+var main_filename = path.dirname(require.main.filename);
 var module_dir = path.dirname(module.filename)
 var os = require("os")
-//var serializer = require('./lib/serializer.js');
 var aspect = require('./lib/aspect.js');
 var request = require('./lib/request.js');
 var fs = require('fs');
-
 var agent = require("./appmetrics")
 // Set the plugin search path
 agent.spath(path.join(module_dir, "plugins"))
-agent.start();
+// pass in the main file name for use in identifying the app in mqtt connection
+agent.start(main_filename);
 
 var hcAPI = require("./appmetrics-api.js");
 var jsonProfilingMode = false;

src/appmetrics.cpp

@@ -289,8 +289,13 @@ static bool initLoaderApi() {
 
 NAN_METHOD(start) {
 
-    if (!running) {
-        running = true;
+	Local<String> value = info[0]->ToString();
+	if (info.Length() > 0) {
+		loaderApi->setProperty("com.ibm.diagnostics.healthcenter.mqtt.application.id", toStdString(value).c_str());
+    }
+
+	if (!running) {
+		running = true;
 
         loaderApi->init();
 
@@ -484,7 +489,6 @@ NAN_METHOD(sendControlCommand) {
 
 
 NAN_METHOD(localConnect) {
-    
     if (!isMonitorApiValid()) {
         Nan::ThrowError("Monitoring API is not initialized");
         return;