Actually add the exceptions

includes/exceptions.inc.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * exceptions.inc.php
+ *
+ * Custom Exception definitions
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2016 Tony Murray
+ * @author     Tony Murray <murraytony@gmail.com>
+ */
+
+
+// ---- addHost Excpetions ----
+class HostExistsException extends Exception {}
+
+class HostIpExistsException extends HostExistsException {}
+
+class InvalidPortAssocModeException extends Exception {}
+
+class SnmpVersionUnsupportedException extends Exception {}
+
+class HostUnreachableException extends Exception
+{
+    protected $reasons = array();
+
+    public function __toString()
+    {
+        $string = __CLASS__ . ": [{$this->code}]: {$this->message}\n";
+        foreach ($this->reasons as $reason) {
+            $string .= "  $reason\n";
+        }
+        return $string;
+    }
+
+    /**
+     * Add additional reasons
+     * @param $message
+     */
+    public function addReason($message)
+    {
+        $this->reasons[] = $message;
+    }
+
+    /**
+     * Get the reasons
+     * @return array
+     */
+    public function getReasons()
+    {
+        return $this->reasons;
+    }
+}
+
+class HostUnreachablePingException extends HostUnreachableException {}
+
+class HostUnreachableSnmpException extends HostUnreachableException {}