Add isNetwork() method

Author: murrant

LibreNMS/Util/IP.php

@@ -155,6 +155,17 @@ public function inNetworks($networks)
      */
     abstract public function inNetwork($network);
 
+    /**
+     * Checks if this IP is a network.
+     * This generally means hostmask is < 32 or < 128
+     *
+     * @return bool
+     */
+    public function isNetwork()
+    {
+        return $this->cidr < $this->host_bits;
+    }
+
     /**
      * Check if this IP is in the reserved range.
      * @return bool

tests/IpTest.php

@@ -82,6 +82,16 @@ public function testNetworkParse()
         $this->assertEquals('::1', IP::parse('::1/128'));
     }
 
+    public function testIsNetwork()
+    {
+        $this->assertFalse(IP::parse('192.168.3.0')->isNetwork());
+        $this->assertFalse(IP::parse('192.168.3.0/32')->isNetwork());
+        $this->assertTrue(IP::parse('192.168.3.0/24')->isNetwork());
+        $this->assertFalse(IPv6::parse('2001:db8:85a3::8a2e:370:7334')->isNetwork());
+        $this->assertFalse(IPv6::parse('2001:db8:85a3::8a2e:370:7334/128')->isNetwork());
+        $this->assertTrue(IPv6::parse('2001:db8:85a3::8a2e:370:7334/64')->isNetwork());
+    }
+
     /**
      * @expectedException \LibreNMS\Exceptions\InvalidIpException
      */