Initial commit

src/Interop/Channel/StreamChannel.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace NoccyLabs\Ipc\Interop\Channel;
+
+
+class StreamChannel implements ChannelInterface
+{
+    protected $stream;
+
+    public function __construct($stream)
+    {
+        if (!is_resource($stream)) {
+            if (!is_string($stream)) {
+                throw new \LogicException("Invalid stream");
+            }
+            $stream = stream_socket_client($stream, $errno, $errstr);
+            if (!$stream) {
+                throw new \RuntimeException(sprintf("%d %s", $errno, $errstr));
+            }
+        }
+        
+        $this->stream = $stream;
+
+        $this->isOpen();
+    }
+    
+    public function send($data)
+    {
+        fwrite($this->stream, json_encode($data)."\0");
+    }
+
+    public function receive()
+    {
+        $buf = fread($this->stream, 8192);
+
+        return json_decode(rtrim($buf, "\0"));
+    }
+
+    public function isOpen(): bool
+    {
+        return is_resource($this->stream);
+    }
+
+    public static function createPair()
+    {
+        $fd = stream_socket_pair(STREAM_PF_UNIX, STREAM_SOCK_STREAM, STREAM_IPPROTO_IP);
+
+        return [
+            new StreamChannel($fd[0]),
+            new StreamChannel($fd[1])
+        ];
+    }
+
+}