[5033] Added exmaple json files with dhcp-ddns, fixed copyrights

doc/examples/kea4/with-ddns.json

+# This is an example configuration file for the DHCPv4 server in Kea.
+# It is a basic scenario with one IPv4 subnet configured but with DDNS
+# enabled. 
+
+{ "Dhcp4":
+
+{
+# Kea is told to listen on ethX interface only.
+  "interfaces-config": {
+    "interfaces": [ "ethX" ]
+  },
+
+# We need to specify the the database used to store leases. As of
+# September 2016, four database backends are supported: MySQL,
+# PostgreSQL, Cassandra, and the in-memory database, Memfile.
+# We'll use memfile  because it doesn't require any prior set up.
+  "lease-database": {
+      "type": "memfile",
+      "lfc-interval": 3600
+  },
+
+# Addresses will be assigned with a lifetime of 4000 seconds.
+  "valid-lifetime": 4000,
+
+# Renew and rebind timers are commented out. This implies that options
+# 58 and 59 will not be sent to the client. In this case it is up to
+# the client to pick the timer values according to RFC2131. Uncomment the
+# timers to send these options to the client.
+#  "renew-timer": 1000,
+#  "rebind-timer": 2000,
+
+# The following list defines subnets. We have only one subnet
+# here. We tell Kea that it is directly available over local interface.
+  "subnet4": [
+    {
+       "pools": [ { "pool":  "192.0.2.1 - 192.0.2.200" } ],
+       "subnet": "192.0.2.0/24",
+       "interface": "ethX"
+    }
+  ],
+
+# Enable dynamic DNS updates
+  "dhcp-ddns" : {
+        "enable-updates" : true,
+        "server-ip" : "192.0.2.0",
+        "server-port" : 3432,
+        "sender-ip" : "192.0.2.1",
+        "sender-port" : 3433,
+        "max-queue-size" : 2048,
+        "ncr-protocol" : "UDP",
+        "ncr-format" : "JSON",
+        "always-include-fqdn" : true,
+        "override-no-update" : true,
+        "override-client-update" : true,
+        "replace-client-name" : "when-present",
+        "generated-prefix" : "test.prefix",
+        "qualifying-suffix" : "test.suffix."
+    }
+},
+
+# The following configures logging. It assumes that messages with at least
+# informational level (info, warn, error and fatal) should be logged to stdout.
+"Logging": {
+    "loggers": [
+        {
+            "name": "kea-dhcp4",
+            "output_options": [
+                {
+                    "output": "stdout"
+                }
+            ],
+            "severity": "INFO"
+        }
+    ]
+}
+
+}

doc/examples/kea6/with-ddns.json

+# This is an example configuration file for DHCPv6 server in Kea.
+# It's a basic scenario with one IPv6 subnet configured. It is
+# assumed that one subnet (2001:db8:1::/64 is available directly
+# over ethX interface.
+
+{ "Dhcp6":
+
+{
+# Kea is told to listen on ethX interface only.
+  "interfaces-config": {
+    "interfaces": [ "ethX" ]
+  },
+
+# We need to specify the the database used to store leases. As of
+# September 2016, four database backends are supported: MySQL,
+# PostgreSQL, Cassandra, and the in-memory database, Memfile.
+# We'll use memfile  because it doesn't require any prior set up.
+  "lease-database": {
+      "type": "memfile",
+      "lfc-interval": 3600
+  },
+
+# Addresses will be assigned with preferred and valid lifetimes
+# being 3000 and 4000, respectively. Client is told to start
+# renewing after 1000 seconds. If the server does not respond
+# after 2000 seconds since the lease was granted, client is supposed
+# to start REBIND procedure (emergency renewal that allows switching
+# to a different server).
+  "preferred-lifetime": 3000,
+  "valid-lifetime": 4000,
+  "renew-timer": 1000,
+  "rebind-timer": 2000,
+
+# The following list defines subnets. Each subnet consists of at
+# least subnet and pool entries.
+  "subnet6": [
+    {
+      "pools": [ { "pool": "2001:db8:1::/80" } ],
+      "subnet": "2001:db8:1::/64",
+      "interface": "ethX"
+    }
+  ]
+
+  "dhcp-ddns" : {
+        "enable-updates" : true,
+        "server-ip" : "3001::1",
+        "server-port" : 3432,
+        "sender-ip" : "3001::2",
+        "sender-port" : 3433,
+        "max-queue-size" : 2048,
+        "ncr-protocol" : "UDP",
+        "ncr-format" : "JSON",
+        "always-include-fqdn" : true,
+        "override-no-update" : true,
+        "override-client-update" : true,
+        "replace-client-name" : "when-present",
+        "generated-prefix" : "test.prefix",
+        "qualifying-suffix" : "test.suffix."
+  },
+
+},
+
+# The following configures logging. It assumes that messages with at least
+# informational level (info, warn, error and fatal) should be logged to stdout.
+"Logging": {
+    "loggers": [
+        {
+            "name": "kea-dhcp6",
+            "output_options": [
+                {
+                    "output": "stdout"
+                }
+            ],
+            "debuglevel": 0,
+            "severity": "INFO"
+        }
+    ]
+}
+
+}
+

src/bin/dhcp4/simple_parser4.cc

-// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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

src/bin/dhcp4/simple_parser4.h

-// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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

src/bin/dhcp4/tests/parser_unittest.cc

-// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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
@@ -322,7 +322,8 @@ TEST(ParserTest, file) {
                                "pgsql-reservations.json",
                                "reservations.json",
                                "several-subnets.json",
-                               "single-subnet.json" };
+                               "single-subnet.json",
+                               "with-ddns.json" };
 
     for (int i = 0; i<configs.size(); i++) {
         testFile(string(CFG_EXAMPLES) + "/" + configs[i]);

src/bin/dhcp6/simple_parser6.cc

-// Copyright (C) 2017 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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

src/bin/dhcp6/simple_parser6.h

-// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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

src/bin/dhcp6/tests/parser_unittest.cc

-// Copyright (C) 2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2016-2017 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
@@ -241,6 +241,7 @@ TEST(ParserTest, file) {
     configs.push_back("several-subnets.json");
     configs.push_back("simple.json");
     configs.push_back("stateless.json");
+    configs.push_back("with-ddns.json");
 
     for (int i = 0; i<configs.size(); i++) {
         testFile(string(CFG_EXAMPLES) + "/" + configs[i], false);

src/lib/dhcpsrv/tests/dhcp_parsers_unittest.cc

-// Copyright (C) 2012-2016 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2012-2017 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

src/lib/dhcpsrv/tests/srv_config_unittest.cc

-// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2014-2017 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