MXS-1775 Cleanup monitor class headers

- All classes now declared in separate header file
- Header files have .hh-suffix

server/modules/monitor/auroramon/auroramon.hh

@@ -0,0 +1,49 @@
+#pragma once
+/*
+ * Copyright (c) 2016 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2020-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+
+#include <maxscale/cppdefs.hh>
+#include <maxscale/monitor.hh>
+#include <maxscale/thread.hh>
+
+/**
+ * @file auroramon.hh - The Aurora monitor
+ */
+
+class AuroraMonitor : public MXS_MONITOR_INSTANCE
+{
+public:
+    AuroraMonitor(const AuroraMonitor&) = delete;
+    AuroraMonitor& operator = (const AuroraMonitor&) = delete;
+
+    static AuroraMonitor* create(MXS_MONITOR* monitor);
+    void destroy();
+    bool start(const MXS_CONFIG_PARAMETER* param);
+    void stop();
+    void diagnostics(DCB* dcb) const;
+    json_t* diagnostics_json() const;
+
+private:
+    bool         m_shutdown;      /**< True if the monitor is stopped */
+    THREAD       m_thread;        /**< Monitor thread */
+    char*        m_script;        /**< Launchable script */
+    uint64_t     m_events;        /**< Enabled monitor events */
+    MXS_MONITOR* m_monitor;       /**< Pointer to generic monitor structure */
+    bool         m_checked;       /**< Whether server access has been checked */
+
+    AuroraMonitor(MXS_MONITOR* monitor);
+    ~AuroraMonitor();
+
+    void main();
+    static void main(void* data);
+};