Implemented notify

examples/notify.php

@@ -0,0 +1,44 @@
+<?php
+
+require_once __DIR__."/../vendor/autoload.php";
+
+use NoccyLabs\React\CommandBus\CommandBus;
+use NoccyLabs\React\CommandBus\CommandBusClient;
+use NoccyLabs\React\CommandBus\CommandRegistry;
+use NoccyLabs\React\CommandBus\Context;
+use React\EventLoop\Loop;
+use React\Promise\Promise;
+use React\Socket\SocketServer;
+
+// This example demonstrates notifications, so there are no commands here.
+// You can add whatever commands you like.
+$commands = new CommandRegistry();
+$bus = new CommandBus($commands);
+
+$server = new SocketServer("tcp://127.0.0.1:9999");
+$bus->addServer($server);
+
+$bus->on(CommandBus::EVENT_NOTIFY,
+    function (string $event, array $data) {
+        printf("notify event: %s %s\n", $event, json_encode($data, JSON_UNESCAPED_SLASHES));
+    }
+);
+
+$client = new CommandBusClient();
+$client->connect("tcp://127.0.0.1:9999");
+
+$client->on(CommandBusClient::EVENT_NOTIFY,
+    function (string $event, array $data) {
+        printf("notify client: %s %s\n", $event, json_encode($data, JSON_UNESCAPED_SLASHES));
+    }
+);
+
+// Wait for connections etc, before sending a notification.
+Loop::addTimer(1, function () use ($bus) {
+    $bus->notify("hello", [ 'greet'=>"World" ]);
+});
+// Shutdown in 2 secs
+Loop::addTimer(2, function () use ($bus, $client) {
+    $bus->close();
+    $client->close();
+});