Initial commit

.gitignore

@@ -0,0 +1,6 @@
+/vendor/
+/.idea/
+
+/out/
+/documents/
+

composer.json

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+{
+    "name": "joopschilder/zmq-fileserver",
+    "authors": [
+        {
+            "name": "Joop Schilder",
+            "email": "jnmschilder@protonmail.com"
+        }
+    ],
+    "require": {
+        "fzaninotto/faker": "^1.9"
+    }
+}

composer.lock

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+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "541af5d4dea7e6b160f304dd7ba3073f",
+    "packages": [
+        {
+            "name": "fzaninotto/faker",
+            "version": "v1.9.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/fzaninotto/Faker.git",
+                "reference": "fc10d778e4b84d5bd315dad194661e091d307c6f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/fzaninotto/Faker/zipball/fc10d778e4b84d5bd315dad194661e091d307c6f",
+                "reference": "fc10d778e4b84d5bd315dad194661e091d307c6f",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0"
+            },
+            "require-dev": {
+                "ext-intl": "*",
+                "phpunit/phpunit": "^4.8.35 || ^5.7",
+                "squizlabs/php_codesniffer": "^2.9.2"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Faker\\": "src/Faker/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "François Zaninotto"
+                }
+            ],
+            "description": "Faker is a PHP library that generates fake data for you.",
+            "keywords": [
+                "data",
+                "faker",
+                "fixtures"
+            ],
+            "time": "2019-12-12T13:22:17+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
+}

file_generator

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+#!/usr/bin/env php
+<?php
+$argc < 2 and die('Usage: file_generator <namespace>' . PHP_EOL);
+require_once __DIR__ . '/vendor/autoload.php';
+$push = (new ZMQContext)->getSocket(ZMQ::SOCKET_PUSH)->connect('ipc:///tmp/storage_server_sink.ipc');
+$faker = Faker\Factory::create();
+
+$id = 1;
+while (true) {
+	$document = file_get_contents("https://twitter.com/{$faker->firstName}");
+	$push->send($argv[1], ZMQ::MODE_SNDMORE)
+		->send($id++ . '.html', ZMQ::MODE_SNDMORE)
+		->send($document);
+
+	sleep(2);
+}

request_file

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+#!/usr/bin/env php
+<?php
+
+$argc < 3 and die('Usage: request_file <namespace> <name>' . PHP_EOL);
+
+$req = (new ZMQContext)->getSocket(ZMQ::SOCKET_REQ)
+	->connect('ipc:///tmp/storage_server_query.ipc')
+	->send(@$argv[1], ZMQ::MODE_SNDMORE)
+	->send(@$argv[2]);
+
+print($req->recv());
+print(PHP_EOL);

save_file

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+#!/usr/bin/env php
+<?php
+
+$argc < 4 and die('Usage: save_file NAMESPACE NAME CONTENTS' . PHP_EOL);
+
+(new ZMQContext)
+    ->getSocket(ZMQ::SOCKET_PUSH)->connect('ipc:///tmp/storage_server_sink.ipc')
+	->send(@$argv[1], ZMQ::MODE_SNDMORE)
+	->send(@$argv[2], ZMQ::MODE_SNDMORE)
+	->send(@$argv[3]);

storage_server

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+#!/usr/bin/env php
+<?php
+
+is_dir($rootDir = rtrim($argv[1] ?? __DIR__ . '/documents', '/')) or mkdir($rootDir, 0777, true);
+$zmq = new ZMQContext();
+$pullSocket = $zmq->getSocket(ZMQ::SOCKET_PULL)->bind('ipc:///tmp/storage_server_sink.ipc');
+$replySocket = $zmq->getSocket(ZMQ::SOCKET_REP)->bind('ipc:///tmp/storage_server_query.ipc');
+$poll = new ZMQPoll();
+$poll->add($pullSocket, ZMQ::POLL_IN);
+$poll->add($replySocket, ZMQ::POLL_IN);
+$readable = $writable = [];
+while (true) {
+	$poll->poll($readable, $writable);
+	foreach ($readable as $socket) {
+		$socket === $pullSocket and handleIncomingFile();
+		$socket === $replySocket and handleIncomingRequest();
+	}
+}
+
+function handleIncomingFile(): void
+{
+	global $pullSocket, $rootDir;
+	$namespace = $pullSocket->recv(ZMQ::MODE_SNDMORE);
+	$name = $pullSocket->recv(ZMQ::MODE_SNDMORE);
+	$contents = $pullSocket->recv();
+	is_dir($targetDir = "$rootDir/$namespace") or @mkdir($targetDir, 0777, true);
+	file_put_contents("$targetDir/$name", $contents) and print('S');
+}
+
+function handleIncomingRequest(): void
+{
+	global $replySocket, $rootDir;
+	$namespace = $replySocket->recv(ZMQ::MODE_SNDMORE);
+	$name = $replySocket->recv();
+	$replySocket->send(@file_get_contents("$rootDir/{$namespace}/{$name}") ?: 'NOT_FOUND') and print('R');
+}