1 files changed, 122 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/Dhcpd/ClientId.cpp b/src/VBox/NetworkServices/Dhcpd/ClientId.cpp
new file mode 100644
index 00000000..3441a4a4
--- /dev/null
+++ b/src/VBox/NetworkServices/Dhcpd/ClientId.cpp
@@ -0,0 +1,122 @@
+/* $Id: ClientId.cpp $ */
+/** @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.
+ */
+
+#include <algorithm>
+
+#include "ClientId.h"
+
+
+bool ClientId::g_fFormatRegistered = false;
+
+
+void ClientId::registerFormat()
+{
+    if (g_fFormatRegistered)
+        return;
+
+    int rc = RTStrFormatTypeRegister("id", rtStrFormat, NULL);
+    AssertRC(rc);
+
+    g_fFormatRegistered = true;
+}
+
+
+DECLCALLBACK(size_t)
+ClientId::rtStrFormat(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
+             const char *pszType, void const *pvValue,
+             int cchWidth, int cchPrecision, unsigned fFlags,
+             void *pvUser)
+{
+    const ClientId *id = static_cast<const ClientId *>(pvValue);
+    size_t cb = 0;
+
+    AssertReturn(strcmp(pszType, "id") == 0, 0);
+    RT_NOREF(pszType);
+
+    RT_NOREF(cchWidth, cchPrecision, fFlags);
+    RT_NOREF(pvUser);
+
+    if (id == NULL)
+    {
+        return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                           "<NULL>");
+    }
+
+    if (id->m_id.present())
+    {
+        const OptClientId::value_t &idopt = id->m_id.value();
+
+        cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                          "[");
+
+        for (size_t i = 0; i < idopt.size(); ++i)
+        {
+            cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                              "%s%02x", (i == 0 ? "" : ":"), idopt[i]);
+        }
+
+        cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                          "] (");
+    }
+
+    cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                      "%RTmac", &id->m_mac);
+
+    if (id->m_id.present())
+    {
+        cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
+                          ")");
+    }
+
+    return 0;
+}
+
+
+bool operator==(const ClientId &l, const ClientId &r)
+{
+    if (l.m_id.present())
+    {
+        if (r.m_id.present())
+            return l.m_id.value() == r.m_id.value();
+    }
+    else
+    {
+        if (!r.m_id.present())
+            return l.m_mac == r.m_mac;
+    }
+
+    return false;
+}
+
+
+bool operator<(const ClientId &l, const ClientId &r)
+{
+    if (l.m_id.present())
+    {
+        if (r.m_id.present())
+            return l.m_id.value() < r.m_id.value();
+        else
+            return false;       /* the one with id comes last */
+    }
+    else
+    {
+        if (r.m_id.present())
+            return true;        /* the one with id comes last */
+        else
+            return l.m_mac < r.m_mac;
+    }
+}