1 files changed, 115 insertions, 0 deletions
diff --git a/test/parallel/test-cluster-dgram-1.js b/test/parallel/test-cluster-dgram-1.js
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+++ b/test/parallel/test-cluster-dgram-1.js
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+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var NUM_WORKERS = 4;
+var PACKETS_PER_WORKER = 10;
+
+var assert = require('assert');
+var cluster = require('cluster');
+var common = require('../common');
+var dgram = require('dgram');
+
+
+if (process.platform === 'win32') {
+  console.warn("dgram clustering is currently not supported on windows.");
+  process.exit(0);
+}
+
+if (cluster.isMaster)
+  master();
+else
+  worker();
+
+
+function master() {
+  var listening = 0;
+
+  // Fork 4 workers.
+  for (var i = 0; i < NUM_WORKERS; i++)
+    cluster.fork();
+
+  // Wait until all workers are listening.
+  cluster.on('listening', function() {
+    if (++listening < NUM_WORKERS)
+      return;
+
+    // Start sending messages.
+    var buf = new Buffer('hello world');
+    var socket = dgram.createSocket('udp4');
+    var sent = 0;
+    doSend();
+
+    function doSend() {
+      socket.send(buf, 0, buf.length, common.PORT, '127.0.0.1', afterSend);
+    }
+
+    function afterSend() {
+      sent++;
+      if (sent < NUM_WORKERS * PACKETS_PER_WORKER) {
+        doSend();
+      } else {
+        console.log('master sent %d packets', sent);
+        socket.close();
+      }
+    }
+  });
+
+  // Set up event handlers for every worker. Each worker sends a message when
+  // it has received the expected number of packets. After that it disconnects.
+  for (var key in cluster.workers) {
+    if (cluster.workers.hasOwnProperty(key))
+      setupWorker(cluster.workers[key]);
+  }
+
+  function setupWorker(worker) {
+    var received = 0;
+
+    worker.on('message', function(msg) {
+      received = msg.received;
+      console.log('worker %d received %d packets', worker.id, received);
+    });
+
+    worker.on('disconnect', function() {
+      assert(received === PACKETS_PER_WORKER);
+      console.log('worker %d disconnected', worker.id);
+    });
+  }
+}
+
+
+function worker() {
+  var received = 0;
+
+  // Create udp socket and start listening.
+  var socket = dgram.createSocket('udp4');
+
+  socket.on('message', function(data, info) {
+    received++;
+
+    // Every 10 messages, notify the master.
+    if (received == PACKETS_PER_WORKER) {
+      process.send({received: received});
+      process.disconnect();
+    }
+  });
+
+  socket.bind(common.PORT);
+}