feat: add ipc channel in nonDaemon mode

lib/cmd/start.js

@@ -163,7 +163,7 @@ class StartCommand extends Command {
       // check start status
       yield this.checkStatus(argv);
     } else {
-      options.stdio = options.stdio || 'inherit';
+      options.stdio = [ 'inherit', 'inherit', 'inherit', 'ipc' ];
       debug('Run spawn `node %s`', eggArgs.join(' '));
       const child = this.child = spawn('node', eggArgs, options);
       child.once('exit', code => {

package.json

@@ -21,6 +21,7 @@
   },
   "devDependencies": {
     "autod": "^3.0.1",
+    "co": "^4.6.0",
     "coffee": "^4.1.0",
     "egg": "^1.11.0",
     "egg-bin": "^4.3.5",

test/fixtures/ipc-bin/start.js

@@ -0,0 +1,36 @@
+'use strict';
+
+const co = require('co');
+
+const BaseStartCommand = require('../../../lib/cmd/start');
+
+class StartCommand extends BaseStartCommand {
+  * run(context) {
+    yield super.run(context);
+    const child = this.child;
+    child.on('message', msg => {
+      if (msg && msg.action === 'egg-ready') {
+        console.log('READY!!!');
+      }
+    });
+  }
+}
+
+const start = new StartCommand();
+
+co(function* () {
+  yield start.run({
+    argv: {
+      framework: 'custom-framework',
+      _: [ process.env.BASE_DIR ],
+      workers: 2,
+      title: 'egg-server-example',
+    },
+    cwd: process.env.BASE_DIR,
+    execArgv: [],
+    env: {
+      PATH: process.env.PATH,
+    },
+  });
+});
+

test/start.test.js

@@ -36,7 +36,7 @@ describe('test/start.test.js', () => {
         yield utils.cleanup(fixturePath);
       });
 
-      after(function* () {
+      afterEach(function* () {
         app.proc.kill('SIGTERM');
         yield utils.cleanup(fixturePath);
       });
@@ -57,6 +57,27 @@ describe('test/start.test.js', () => {
         const result = yield httpclient.request('http://127.0.0.1:7001');
         assert(result.data.toString() === 'hi, egg');
       });
+
+      it('should get ready', function* () {
+        app = coffee.fork(path.join(__dirname, './fixtures/ipc-bin/start.js'), [], {
+          env: {
+            BASE_DIR: fixturePath,
+            PATH: process.env.PATH,
+          },
+        });
+        // app.debug();
+        app.expect('code', 0);
+
+        yield sleep(waitTime);
+
+        assert(app.stderr === '');
+        assert(app.stdout.includes('READY!!!'));
+        assert(app.stdout.includes('--title=egg-server-example'));
+        assert(app.stdout.includes('"title":"egg-server-example"'));
+        assert(app.stdout.match(/custom-framework started on http:\/\/127\.0\.0\.1:7001/));
+        assert(app.stdout.includes('app_worker#2:'));
+        assert(!app.stdout.includes('app_worker#3:'));
+      });
     });
 
     describe('child exit with 1', () => {