[#2819] kea-dhcp4 supports ddns-ttl, min, and max

Added support for ddns-ttl,ddns-ttl-min, and ddsn-ttl-max
to global,shared-network, and subnet for kea-dhcp4

Changes to be committed:
modified:   doc/examples/kea4/all-keys.json
modified:   src/bin/dhcp4/dhcp4_lexer.cc
modified:   src/bin/dhcp4/dhcp4_lexer.ll
modified:   src/bin/dhcp4/dhcp4_parser.cc
modified:   src/bin/dhcp4/dhcp4_parser.h
modified:   src/bin/dhcp4/dhcp4_parser.yy
modified:   src/bin/dhcp4/json_config_parser.cc
modified:   src/bin/dhcp4/tests/config_parser_unittest.cc
modified:   src/bin/dhcp4/tests/fqdn_unittest.cc
modified:   src/bin/dhcp4/tests/get_config_unittest.cc
modified:   src/bin/dhcp6/json_config_parser.cc
modified:   src/lib/dhcpsrv/cb_ctl_dhcp4.cc
modified:   src/lib/dhcpsrv/cb_ctl_dhcp6.cc
modified:   src/lib/dhcpsrv/cfg_globals.cc
modified:   src/lib/dhcpsrv/cfg_globals.h
modified:   src/lib/dhcpsrv/dhcpsrv_messages.cc
modified:   src/lib/dhcpsrv/dhcpsrv_messages.h
modified:   src/lib/dhcpsrv/dhcpsrv_messages.mes
modified:   src/lib/dhcpsrv/ncr_generator.cc
modified:   src/lib/dhcpsrv/ncr_generator.h
modified:   src/lib/dhcpsrv/network.cc
modified:   src/lib/dhcpsrv/network.h
modified:   src/lib/dhcpsrv/parsers/base_network_parser.cc
modified:   src/lib/dhcpsrv/parsers/simple_parser4.cc
modified:   src/lib/dhcpsrv/parsers/simple_parser6.cc
modified:   src/lib/dhcpsrv/srv_config.cc
modified:   src/lib/dhcpsrv/srv_config.h
modified:   src/lib/dhcpsrv/tests/dhcp_parsers_unittest.cc
modified:   src/lib/dhcpsrv/tests/ncr_generator_unittest.cc
modified:   src/lib/dhcpsrv/tests/network_unittest.cc
modified:   src/lib/dhcpsrv/tests/shared_network_parser_unittest.cc
modified:   src/lib/dhcpsrv/tests/srv_config_unittest.cc
modified:   src/lib/util/str.cc
modified:   src/lib/util/str.h

1 files changed, 42 insertions, 0 deletions

diff --git a/src/lib/dhcpsrv/tests/network_unittest.cc b/src/lib/dhcpsrv/tests/network_unittest.cc
index f0d2ac6801..7b4ac5ed4d 100644
--- a/src/lib/dhcpsrv/tests/network_unittest.cc
+++ b/src/lib/dhcpsrv/tests/network_unittest.cc
@@ -183,6 +183,9 @@ TEST_F(NetworkTest, inheritanceSupport4) {
     globals_->set("allocator", Element::create("random"));
     globals_->set("offer-lifetime", Element::create(45));
     globals_->set("ddns-ttl-percent", Element::create(0.75));
+    globals_->set("ddns-ttl", Element::create(400));
+    globals_->set("ddns-ttl-min", Element::create(200));
+    globals_->set("ddns-ttl-max", Element::create(600));
 
     // For each parameter for which inheritance is supported run
     // the test that checks if the values are inherited properly.
@@ -372,6 +375,24 @@ TEST_F(NetworkTest, inheritanceSupport4) {
                                              &Network::setDdnsTtlPercent,
                                              .33, .75);
     }
+    {
+        SCOPED_TRACE("ddns-ttl");
+        testNetworkInheritance<TestNetwork4>(&Network::getDdnsTtl,
+                                             &Network::setDdnsTtl,
+                                             300, 400);
+    }
+    {
+        SCOPED_TRACE("ddns-ttl-min");
+        testNetworkInheritance<TestNetwork4>(&Network::getDdnsTtlMin,
+                                             &Network::setDdnsTtlMin,
+                                             100, 200);
+    }
+    {
+        SCOPED_TRACE("ddns-ttl-max");
+        testNetworkInheritance<TestNetwork4>(&Network::getDdnsTtlMax,
+                                             &Network::setDdnsTtlMax,
+                                             500, 600);
+    }
 }
 
 // This test verifies that the inheritance is supported for DHCPv6
@@ -394,6 +415,9 @@ TEST_F(NetworkTest, inheritanceSupport6) {
     globals_->set("pd-allocator", Element::create("random"));
     globals_->set("ddns-ttl-percent", Element::create(0.55));
     globals_->set("ddns-conflict-resolution-mode", Element::create("check-with-dhcid"));
+    globals_->set("ddns-ttl", Element::create(400));
+    globals_->set("ddns-ttl-min", Element::create(200));
+    globals_->set("ddns-ttl-max", Element::create(600));
 
     // For each parameter for which inheritance is supported run
     // the test that checks if the values are inherited properly.
@@ -502,6 +526,24 @@ TEST_F(NetworkTest, inheritanceSupport6) {
                                              &Network::setDdnsTtlPercent,
                                              .22, .55);
     }
+    {
+        SCOPED_TRACE("ddns-ttl");
+        testNetworkInheritance<TestNetwork6>(&Network::getDdnsTtl,
+                                             &Network::setDdnsTtl,
+                                             300, 400);
+    }
+    {
+        SCOPED_TRACE("ddns-ttl-min");
+        testNetworkInheritance<TestNetwork6>(&Network::getDdnsTtlMin,
+                                             &Network::setDdnsTtlMin,
+                                             100, 200);
+    }
+    {
+        SCOPED_TRACE("ddns-ttl-max");
+        testNetworkInheritance<TestNetwork6>(&Network::getDdnsTtlMax,
+                                             &Network::setDdnsTtlMax,
+                                             500, 600);
+    }
 
     // Interface-id requires special type of test.
     boost::shared_ptr<TestNetwork6> net_child(new TestNetwork6());