Add getIfaceMetric public method

src/RaspAP/Networking/Hotspot/DhcpcdManager.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace RaspAP\Networking\Hotspot;
+
+/**
+ * Handles dhcpcd.conf interface configuration.
+ */
+class DhcpcdManager
+{
+    /**
+     * Get dhcpcd settings for an interface.
+     *
+     * @param string $iface
+     * @return array
+     */
+    public function getInterfaceSection(string $iface): array
+    {
+        // TODO: parse dhcpcd.conf
+        return [];
+    }
+
+    /**
+     * Write or update interface section.
+     *
+     * @param string $iface
+     * @param array $kv
+     * @return bool
+     */
+    public function writeInterfaceSection(string $iface, array $kv): bool
+    {
+        // TODO: update config
+        return false;
+    }
+
+    /**
+     * Remove interface section from dhcpcd.conf.
+     *
+     * @param string $iface
+     * @return bool
+     */
+    public function removeInterface(string $iface): bool
+    {
+        // TODO: delete section
+        return false;
+    }
+
+    /**
+     * Retrieves the metric value for a given interface
+     *
+     * @param string $iface
+     * @return int $metric| bool false on failure
+     */
+    public function getIfaceMetric($iface)
+    {
+        $metric = shell_exec("ip -o -4 route show dev ".$iface." | awk '/metric/ {print \$NF; exit}'");
+        if (isset($metric)) {
+            $metric = (int)$metric;
+            return $metric;
+        } else {
+            return false;
+        }
+    }
+
+
+}
+