Starting and stopping gns3server in local-server.js manager

local-server.js

@@ -1,39 +1,71 @@
 const { spawn } = require('child_process');
+const kill = require('tree-kill');
 
-servers = [
-    {
-        name: 'my-local',
-        path: 'c:\\Program Files\\GNS3\\gns3server.EXE'
-    }
-]
+let runningServers = {};
 
+function getServerArguments(server, overrides) {
+    let serverArguments = [];
+    return serverArguments;
+}
+
+async function stopAll() {
+    Object.keys(runningServers).forEach(async (serverName) => {
+        await stop(serverName);
+    });
+}
+
+async function stop(serverName) {
+    const runningServer = runningServers[serverName];
+    const pid = runningServer.process.pid;
+    console.log(`Stopping '${serverName}' with PID='${pid}'`);
+    kill(pid, (error) => {
+        if(error) {
+            console.error(`Error occured during stopping '${serverName}' with PID='${pid}'`);
+        }
+        else {
+            console.log(`Stopped '${serverName}' with PID='${pid}'`);
+        }
+    });
+}
+
+async function run(server, options) {
+    const logStdout = options.logStdout || false;
 
-async function run(server) {
     console.log(`Running '${server.path}'`);
-    const process = spawn(server.path);
+ 
+    let serverProcess = spawn(server.path, getServerArguments(server));
 
-    process.on('exit', () => {
-        console.log(`Process has exited`);
+    runningServers[server.name] = {
+        process: serverProcess
+    };
+
+    serverProcess.stdout.on('data', function(data) {
+        if(logStdout) {
+            console.log(data.toString());
+        }
     });
-
-    process.on('close', (code) => {
-        console.log(`child process exited with code ${code}`);
-    });
-
-    process.stdout.on('data', (data) => {
-        console.log(`stdout: ${data}`);
-    });
-
-    process.stderr.on('data', (data) => {
-        console.log(`stderr: ${data}`);
-    });
-
 }
 
 async function main() {
-    await run(servers[0]);
+    await run({
+        name: 'my-local',
+        path: 'c:\\Program Files\\GNS3\\gns3server.EXE',
+        port: 3080
+    }, {
+        logStdout: true
+    });
 }
 
 if (require.main === module) {
+    process.on('SIGINT', function() {
+        console.log("Caught interrupt signal");
+        stopAll();
+    });
+
+    process.on('unhandledRejection', (reason, promise) => {
+        console.log(`UnhandledRejection occured 'reason'`);
+        process.exit(1);
+    });
+
     main();
 }