1 files changed, 75 insertions, 0 deletions
diff --git a/src/Http/HttpClient.php b/src/Http/HttpClient.php
new file mode 100644
index 00000000..4ca152c8
--- /dev/null
+++ b/src/Http/HttpClient.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * High-performance PHP process supervisor and load balancer written in Go
+ *
+ * @author Alex Bond
+ */
+declare(strict_types=1);
+
+namespace Spiral\RoadRunner;
+
+final class HttpClient
+{
+    /** @var Worker */
+    private $worker;
+
+    /**
+     * @param Worker $worker
+     */
+    public function __construct(Worker $worker)
+    {
+        $this->worker = $worker;
+    }
+
+    /**
+     * @return Worker
+     */
+    public function getWorker(): Worker
+    {
+        return $this->worker;
+    }
+
+    /**
+     * @return mixed[]|null Request information as ['ctx'=>[], 'body'=>string]
+     *                      or null if termination request or invalid context.
+     */
+    public function acceptRequest(): ?array
+    {
+        $body = $this->getWorker()->receive($ctx);
+        if (empty($body) && empty($ctx)) {
+            // termination request
+            return null;
+        }
+
+        $ctx = json_decode($ctx, true);
+        if ($ctx === null) {
+            // invalid context
+            return null;
+        }
+
+        return ['ctx' => $ctx, 'body' => $body];
+    }
+
+    /**
+     * Send response to the application server.
+     *
+     * @param int        $status  Http status code
+     * @param string     $body    Body of response
+     * @param string[][] $headers An associative array of the message's headers. Each
+     *                            key MUST be a header name, and each value MUST be an array of strings
+     *                            for that header.
+     */
+    public function respond(int $status, string $body, array $headers = []): void
+    {
+        if (empty($headers)) {
+            // this is required to represent empty header set as map and not as array
+            $headers = new \stdClass();
+        }
+
+        $this->getWorker()->send(
+            $body,
+            (string) json_encode(['status' => $status, 'headers' => $headers])
+        );
+    }
+}