1 files changed, 89 insertions, 0 deletions
diff --git a/src/lib/dhcpsrv/cfg_mac_source.cc b/src/lib/dhcpsrv/cfg_mac_source.cc
new file mode 100644
index 0000000..7a0db26
--- /dev/null
+++ b/src/lib/dhcpsrv/cfg_mac_source.cc
@@ -0,0 +1,89 @@
+// Copyright (C) 2014-2015,2017 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+#include <dhcpsrv/cfg_mac_source.h>
+#include <exceptions/exceptions.h>
+#include <dhcp/hwaddr.h>
+
+using namespace isc::data;
+
+namespace {
+
+using namespace isc::dhcp;
+
+struct {
+    const char * name;
+    uint32_t type;
+} sources[] = {
+    { "any", HWAddr::HWADDR_SOURCE_ANY },
+    { "raw", HWAddr::HWADDR_SOURCE_RAW },
+    { "duid", HWAddr::HWADDR_SOURCE_DUID },
+    { "ipv6-link-local", HWAddr::HWADDR_SOURCE_IPV6_LINK_LOCAL },
+    { "client-link-addr-option", HWAddr::HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION },
+    { "rfc6939", HWAddr::HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION },
+    { "remote-id", HWAddr::HWADDR_SOURCE_REMOTE_ID },
+    { "rfc4649", HWAddr::HWADDR_SOURCE_REMOTE_ID },
+    { "subscriber-id", HWAddr::HWADDR_SOURCE_SUBSCRIBER_ID },
+    { "rfc4580", HWAddr::HWADDR_SOURCE_SUBSCRIBER_ID },
+    { "docsis-cmts", HWAddr::HWADDR_SOURCE_DOCSIS_CMTS },
+    { "docsis-modem", HWAddr::HWADDR_SOURCE_DOCSIS_MODEM }
+};
+
+};
+
+namespace isc {
+namespace dhcp {
+
+CfgMACSource::CfgMACSource() {
+
+    // By default, use any hardware source that is available.
+    mac_sources_.push_back(HWAddr::HWADDR_SOURCE_ANY);
+}
+
+uint32_t CfgMACSource::MACSourceFromText(const std::string& name) {
+    for (unsigned i = 0; i < sizeof(sources)/sizeof(sources[0]); ++i) {
+        if (name.compare(sources[i].name) == 0) {
+            return (sources[i].type);
+        }
+    }
+
+    isc_throw(BadValue, "Can't convert '" << name << "' to any known MAC source.");
+}
+
+void CfgMACSource::add(uint32_t source) {
+    for (CfgMACSources::const_iterator it = mac_sources_.begin();
+         it != mac_sources_.end(); ++it) {
+        if (*it == source) {
+            isc_throw(InvalidParameter, "mac-source parameter " << source
+                      << "' specified twice.");
+        }
+    }
+    mac_sources_.push_back(source);
+}
+
+ElementPtr CfgMACSource::toElement() const {
+    ElementPtr result = Element::createList();
+    for (CfgMACSources::const_iterator source = mac_sources_.cbegin();
+         source != mac_sources_.cend(); ++source) {
+        std::string name;
+        for (unsigned i = 0; i < sizeof(sources)/sizeof(sources[0]); ++i) {
+            if (sources[i].type == *source) {
+                name = sources[i].name;
+                break;
+            }
+        }
+        if (name.empty()) {
+            isc_throw(ToElementError, "invalid MAC source: " << *source);
+        }
+        result->add(Element::create(name));
+    }
+    // @todo check if the list is empty (including a new unit test)
+    return (result);
+}
+
+};
+};