1 files changed, 69 insertions, 0 deletions
diff --git a/localwebsite/classes/InverterdClient.php b/localwebsite/classes/InverterdClient.php
new file mode 100644
index 0000000..b68b784
--- /dev/null
+++ b/localwebsite/classes/InverterdClient.php
@@ -0,0 +1,69 @@
+<?php
+
+class InverterdClient extends MySimpleSocketClient {
+
+    /**
+     * @throws Exception
+     */
+    public function setProtocol(int $v): string
+    {
+        $this->send("v $v");
+        return $this->recv();
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function setFormat(string $fmt): string
+    {
+        $this->send("format $fmt");
+        return $this->recv();
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function exec(string $command, array $arguments = []): string
+    {
+        $buf = "exec $command";
+        if (!empty($arguments)) {
+            foreach ($arguments as $arg)
+                $buf .= " $arg";
+        }
+        $this->send($buf);
+        return $this->recv();
+    }
+
+    /**
+     * @throws Exception
+     */
+    public function recv()
+    {
+        $recv_buf = '';
+        $buf = '';
+
+        while (true) {
+            $result = socket_recv($this->sock, $recv_buf, 1024, 0);
+            if ($result === false)
+                throw new Exception(__METHOD__ . ": socket_recv() failed: " . $this->getSocketError());
+
+            // peer disconnected
+            if ($result === 0)
+                break;
+
+            $buf .= $recv_buf;
+            if (endsWith($buf, "\r\n\r\n"))
+                break;
+        }
+
+        $response = explode("\r\n", $buf);
+        $status = array_shift($response);
+        if (!in_array($status, ['ok', 'err']))
+            throw new Exception(__METHOD__.': unexpected status ('.$status.')');
+        if ($status == 'err')
+            throw new Exception(empty($response) ? 'unknown inverterd error' : $response[0]);
+
+        return trim(implode("\r\n", $response));
+    }
+
+}
+\ No newline at end of file