1 files changed, 70 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/Dhcpd/ClientId.h b/src/VBox/NetworkServices/Dhcpd/ClientId.h
new file mode 100644
index 00000000..430b6e3f
--- /dev/null
+++ b/src/VBox/NetworkServices/Dhcpd/ClientId.h
@@ -0,0 +1,70 @@
+/* $Id: ClientId.h $ */
+/** @file
+ * DHCP server - client identifier
+ */
+
+/*
+ * Copyright (C) 2017-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_Dhcpd_ClientId_h
+#define VBOX_INCLUDED_SRC_Dhcpd_ClientId_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "Defs.h"
+#include <iprt/net.h>
+#include "DhcpOptions.h"
+
+/*
+ * Client is identified by either the Client ID option it sends or its
+ * chaddr, i.e. MAC address.
+ */
+class ClientId
+{
+    RTMAC m_mac;
+    OptClientId m_id;
+
+public:
+    ClientId()
+      : m_mac(), m_id() {}
+    ClientId(const RTMAC &macParam, const OptClientId &idParam)
+      : m_mac(macParam), m_id(idParam) {}
+
+    const RTMAC &mac() const { return m_mac; }
+    const OptClientId &id() const { return m_id; }
+
+public:
+    static void registerFormat(); /* %R[id] */
+
+private:
+    static bool g_fFormatRegistered;
+    static DECLCALLBACK(size_t) rtStrFormat(
+        PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
+        const char *pszType, void const *pvValue,
+        int cchWidth, int cchPrecision, unsigned fFlags,
+        void *pvUser);
+
+private:
+    friend bool operator==(const ClientId &l, const ClientId &r);
+    friend bool operator<(const ClientId &l, const ClientId &r);
+};
+
+bool operator==(const ClientId &l, const ClientId &r);
+bool operator<(const ClientId &l, const ClientId &r);
+
+inline bool operator!=(const ClientId &l, const ClientId &r)
+{
+    return !(l == r);
+}
+
+#endif /* !VBOX_INCLUDED_SRC_Dhcpd_ClientId_h */