Fixes for 'make UNATTENDED=yes CC=clang CXX=clang verify'

Change-Id: I994649761fe2e66e12ae0e49a84fb1d0a966ddfb
Signed-off-by: Neale Ranns <nranns@cisco.com>
(cherry picked from commit 756cd9441752fc8f84104c9ee19099506ba89f85)

31 files changed, 153 insertions, 69 deletions

diff --git a/src/vpp-api/vom/acl_binding.hpp b/src/vpp-api/vom/acl_binding.hpp
index 6e994e4d2a5..89db0eea219 100644
--- a/src/vpp-api/vom/acl_binding.hpp
+++ b/src/vpp-api/vom/acl_binding.hpp
@@ -26,6 +26,7 @@
 #include "vom/object_base.hpp"
 #include "vom/om.hpp"
 #include "vom/singular_db.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 namespace ACL {
@@ -123,7 +124,7 @@ private:
     /**
      * Show the object in the Singular DB
      */
-    void show(std::ostream& os) { m_db.dump(os); }
+    void show(std::ostream& os) { db_dump(m_db, os); }
 
     /**
      * Get the sortable Id of the listener
diff --git a/src/vpp-api/vom/acl_ethertype.cpp b/src/vpp-api/vom/acl_ethertype.cpp
index 530a0aee604..9092517194e 100644
--- a/src/vpp-api/vom/acl_ethertype.cpp
+++ b/src/vpp-api/vom/acl_ethertype.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/acl_ethertype.hpp"
 #include "vom/acl_ethertype_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 namespace ACL {
@@ -122,7 +123,7 @@ acl_ethertype::find(const key_t& key)
 void
 acl_ethertype::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -237,7 +238,7 @@ acl_ethertype::event_handler::order() const
 void
 acl_ethertype::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 };
 };
diff --git a/src/vpp-api/vom/acl_list.cpp b/src/vpp-api/vom/acl_list.cpp
index 5b03f5db021..651eb87a4a9 100644
--- a/src/vpp-api/vom/acl_list.cpp
+++ b/src/vpp-api/vom/acl_list.cpp
@@ -16,6 +16,7 @@
 #include "vom/acl_list.hpp"
 #include "vom/acl_list_cmds.hpp"
 #include "vom/logger.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 namespace ACL {
@@ -70,6 +71,13 @@ l2_list::event_handler::handle_populate(const client_db::key_t& key)
 }
 
 template <>
+void
+l2_list::event_handler::show(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+template <>
 l3_list::event_handler::event_handler()
 {
   OM::register_listener(this);
@@ -130,6 +138,13 @@ l3_list::event_handler::handle_populate(const client_db::key_t& key)
 
 template <>
 void
+l3_list::event_handler::show(std::ostream& os)
+{
+  db_dump(m_db, os);
+}
+
+template <>
+void
 l3_list::update(const l3_list& obj)
 {
   /*
diff --git a/src/vpp-api/vom/acl_list.hpp b/src/vpp-api/vom/acl_list.hpp
index bd84ce1ea43..eff5e1c5a52 100644
--- a/src/vpp-api/vom/acl_list.hpp
+++ b/src/vpp-api/vom/acl_list.hpp
@@ -192,7 +192,7 @@ private:
     /**
      * Show the object in the Singular DB
      */
-    void show(std::ostream& os) { m_db.dump(os); }
+    void show(std::ostream& os);
 
     /**
      * Get the sortable Id of the listener
diff --git a/src/vpp-api/vom/arp_proxy_binding.cpp b/src/vpp-api/vom/arp_proxy_binding.cpp
index 7053390b7c7..73d3d844f53 100644
--- a/src/vpp-api/vom/arp_proxy_binding.cpp
+++ b/src/vpp-api/vom/arp_proxy_binding.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/arp_proxy_binding.hpp"
 #include "vom/arp_proxy_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -61,7 +62,7 @@ arp_proxy_binding::sweep()
 void
 arp_proxy_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -134,7 +135,7 @@ arp_proxy_binding::event_handler::order() const
 void
 arp_proxy_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 /*
diff --git a/src/vpp-api/vom/arp_proxy_config.cpp b/src/vpp-api/vom/arp_proxy_config.cpp
index c72b5f2e8b0..3973eba55f9 100644
--- a/src/vpp-api/vom/arp_proxy_config.cpp
+++ b/src/vpp-api/vom/arp_proxy_config.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/arp_proxy_config.hpp"
 #include "vom/arp_proxy_config_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<arp_proxy_config::key_t, arp_proxy_config> arp_proxy_config::m_db;
@@ -57,7 +58,7 @@ arp_proxy_config::sweep()
 void
 arp_proxy_config::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -126,7 +127,7 @@ arp_proxy_config::event_handler::order() const
 void
 arp_proxy_config::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
diff --git a/src/vpp-api/vom/bond_group_binding.cpp b/src/vpp-api/vom/bond_group_binding.cpp
index 6958eb386ba..60721dd4265 100644
--- a/src/vpp-api/vom/bond_group_binding.cpp
+++ b/src/vpp-api/vom/bond_group_binding.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/bond_group_binding.hpp"
 #include "vom/bond_group_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -73,7 +74,7 @@ bond_group_binding::sweep()
 void
 bond_group_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -166,7 +167,7 @@ bond_group_binding::event_handler::order() const
 void
 bond_group_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 /*
diff --git a/src/vpp-api/vom/bridge_domain.cpp b/src/vpp-api/vom/bridge_domain.cpp
index 17144a67ca9..be520f5ee45 100644
--- a/src/vpp-api/vom/bridge_domain.cpp
+++ b/src/vpp-api/vom/bridge_domain.cpp
@@ -17,6 +17,7 @@
 #include "vom/bridge_domain_cmds.hpp"
 #include "vom/interface.hpp"
 #include "vom/l2_binding.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -137,7 +138,7 @@ bridge_domain::singular() const
 void
 bridge_domain::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -199,7 +200,7 @@ bridge_domain::event_handler::order() const
 void
 bridge_domain::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/bridge_domain_arp_entry.cpp b/src/vpp-api/vom/bridge_domain_arp_entry.cpp
index a3bfcddf00e..a203a76744e 100644
--- a/src/vpp-api/vom/bridge_domain_arp_entry.cpp
+++ b/src/vpp-api/vom/bridge_domain_arp_entry.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/bridge_domain_arp_entry.hpp"
 #include "vom/bridge_domain_arp_entry_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -141,7 +142,7 @@ bridge_domain_arp_entry::singular() const
 void
 bridge_domain_arp_entry::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 bridge_domain_arp_entry::event_handler::event_handler()
@@ -172,7 +173,7 @@ bridge_domain_arp_entry::event_handler::order() const
 void
 bridge_domain_arp_entry::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
diff --git a/src/vpp-api/vom/bridge_domain_entry.cpp b/src/vpp-api/vom/bridge_domain_entry.cpp
index 9ac5ceae87c..241de953771 100644
--- a/src/vpp-api/vom/bridge_domain_entry.cpp
+++ b/src/vpp-api/vom/bridge_domain_entry.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/bridge_domain_entry.hpp"
 #include "vom/bridge_domain_entry_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<bridge_domain_entry::key_t, bridge_domain_entry>
@@ -138,7 +139,7 @@ bridge_domain_entry::singular() const
 void
 bridge_domain_entry::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 bridge_domain_entry::event_handler::event_handler()
@@ -202,7 +203,7 @@ bridge_domain_entry::event_handler::order() const
 void
 bridge_domain_entry::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
diff --git a/src/vpp-api/vom/dhcp_config.cpp b/src/vpp-api/vom/dhcp_config.cpp
index 8071fb15c57..7d97fa15d6e 100644
--- a/src/vpp-api/vom/dhcp_config.cpp
+++ b/src/vpp-api/vom/dhcp_config.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/dhcp_config.hpp"
 #include "vom/dhcp_config_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -90,7 +91,7 @@ dhcp_config::sweep()
 void
 dhcp_config::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -180,7 +181,7 @@ dhcp_config::event_handler::order() const
 void
 dhcp_config::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/dhcp_config_cmds.cpp b/src/vpp-api/vom/dhcp_config_cmds.cpp
index 9e803be7b8d..76ce58b6b92 100644
--- a/src/vpp-api/vom/dhcp_config_cmds.cpp
+++ b/src/vpp-api/vom/dhcp_config_cmds.cpp
@@ -49,6 +49,7 @@ bind_cmd::issue(connection& con)
   payload.is_add = 1;
   payload.pid = getpid();
   payload.want_dhcp_event = 1;
+  payload.set_broadcast_flag = m_set_broadcast_flag;
 
   memset(payload.hostname, 0, sizeof(payload.hostname));
   memcpy(payload.hostname, m_hostname.c_str(),
diff --git a/src/vpp-api/vom/gbp_contract.cpp b/src/vpp-api/vom/gbp_contract.cpp
index d648fb3aeaa..8b27269249c 100644
--- a/src/vpp-api/vom/gbp_contract.cpp
+++ b/src/vpp-api/vom/gbp_contract.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/gbp_contract.hpp"
 #include "vom/gbp_contract_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -122,7 +123,7 @@ gbp_contract::singular() const
 void
 gbp_contract::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 gbp_contract::event_handler::event_handler()
@@ -171,7 +172,7 @@ gbp_contract::event_handler::order() const
 void
 gbp_contract::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
diff --git a/src/vpp-api/vom/gbp_endpoint.cpp b/src/vpp-api/vom/gbp_endpoint.cpp
index 429183bd210..cd5d7e11ad6 100644
--- a/src/vpp-api/vom/gbp_endpoint.cpp
+++ b/src/vpp-api/vom/gbp_endpoint.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/gbp_endpoint.hpp"
 #include "vom/gbp_endpoint_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -122,7 +123,7 @@ gbp_endpoint::singular() const
 void
 gbp_endpoint::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 gbp_endpoint::event_handler::event_handler()
@@ -174,7 +175,7 @@ gbp_endpoint::event_handler::order() const
 void
 gbp_endpoint::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 } // namespace VOM
 
diff --git a/src/vpp-api/vom/gbp_endpoint.hpp b/src/vpp-api/vom/gbp_endpoint.hpp
index 9118cb80eb1..6ece4fa5431 100644
--- a/src/vpp-api/vom/gbp_endpoint.hpp
+++ b/src/vpp-api/vom/gbp_endpoint.hpp
@@ -16,6 +16,8 @@
 #ifndef __VOM_GBP_ENDPOINT_H__
 #define __VOM_GBP_ENDPOINT_H__
 
+#include <ostream>
+
 #include "vom/interface.hpp"
 #include "vom/singular_db.hpp"
 #include "vom/types.hpp"
diff --git a/src/vpp-api/vom/interface.cpp b/src/vpp-api/vom/interface.cpp
index 262d9eaf7b6..e9b7a1a1f9b 100644
--- a/src/vpp-api/vom/interface.cpp
+++ b/src/vpp-api/vom/interface.cpp
@@ -22,6 +22,7 @@
 #include "vom/l3_binding_cmds.hpp"
 #include "vom/logger.hpp"
 #include "vom/prefix.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -148,13 +149,13 @@ interface::l2_address() const
 interface::const_iterator_t
 interface::cbegin()
 {
-  return m_db.cbegin();
+  return m_db.begin();
 }
 
 interface::const_iterator_t
 interface::cend()
 {
-  return m_db.cend();
+  return m_db.end();
 }
 
 void
@@ -485,7 +486,7 @@ interface::remove(const HW::item<handle_t>& item)
 void
 interface::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -626,7 +627,7 @@ interface::event_handler::order() const
 void
 interface::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 } // namespace VOM
diff --git a/src/vpp-api/vom/interface_span.cpp b/src/vpp-api/vom/interface_span.cpp
index 9243f2dd755..283ea1ece54 100644
--- a/src/vpp-api/vom/interface_span.cpp
+++ b/src/vpp-api/vom/interface_span.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/interface_span.hpp"
 #include "vom/interface_span_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -63,7 +64,7 @@ interface_span::sweep()
 void
 interface_span::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -170,7 +171,7 @@ interface_span::event_handler::order() const
 void
 interface_span::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 const interface_span::state_t interface_span::state_t::DISABLED(0, "disable");
diff --git a/src/vpp-api/vom/ip_unnumbered.cpp b/src/vpp-api/vom/ip_unnumbered.cpp
index ef693e9f140..caeeb419993 100644
--- a/src/vpp-api/vom/ip_unnumbered.cpp
+++ b/src/vpp-api/vom/ip_unnumbered.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/ip_unnumbered.hpp"
 #include "vom/ip_unnumbered_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -58,7 +59,7 @@ ip_unnumbered::sweep()
 void
 ip_unnumbered::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -128,7 +129,7 @@ ip_unnumbered::event_handler::order() const
 void
 ip_unnumbered::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/l2_binding.cpp b/src/vpp-api/vom/l2_binding.cpp
index 749557ce3cd..4118f74065a 100644
--- a/src/vpp-api/vom/l2_binding.cpp
+++ b/src/vpp-api/vom/l2_binding.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/l2_binding.hpp"
 #include "vom/l2_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -195,7 +196,7 @@ l2_binding::singular() const
 void
 l2_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 l2_binding::event_handler::event_handler()
@@ -227,7 +228,7 @@ l2_binding::event_handler::order() const
 void
 l2_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/l2_emulation.cpp b/src/vpp-api/vom/l2_emulation.cpp
index 4eedd95e1fc..7bc7ed657d4 100644
--- a/src/vpp-api/vom/l2_emulation.cpp
+++ b/src/vpp-api/vom/l2_emulation.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/l2_emulation.hpp"
 #include "vom/l2_emulation_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -122,7 +123,7 @@ l2_emulation::singular() const
 void
 l2_emulation::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 l2_emulation::event_handler::event_handler()
@@ -154,7 +155,7 @@ l2_emulation::event_handler::order() const
 void
 l2_emulation::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/l3_binding.cpp b/src/vpp-api/vom/l3_binding.cpp
index 6ff824483ea..13bc1ffd575 100644
--- a/src/vpp-api/vom/l3_binding.cpp
+++ b/src/vpp-api/vom/l3_binding.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/l3_binding.hpp"
 #include "vom/l3_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<l3_binding::key_t, l3_binding> l3_binding::m_db;
@@ -92,13 +93,13 @@ l3_binding::itf() const
 l3_binding::const_iterator_t
 l3_binding::cbegin()
 {
-  return m_db.cbegin();
+  return m_db.begin();
 }
 
 l3_binding::const_iterator_t
 l3_binding::cend()
 {
-  return m_db.cend();
+  return m_db.end();
 }
 
 std::string
@@ -146,7 +147,7 @@ l3_binding::singular() const
 void
 l3_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
@@ -167,9 +168,9 @@ l3_binding::find(const interface& i)
  */
   std::deque<std::shared_ptr<l3_binding>> l3s;
 
-  auto it = m_db.cbegin();
+  auto it = m_db.begin();
 
-  while (it != m_db.cend()) {
+  while (it != m_db.end()) {
     /*
      * The key in the DB is a pair of the interface's name and prefix.
      * If the keys match, save the L3-config
@@ -215,7 +216,7 @@ l3_binding::event_handler::order() const
 void
 l3_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/lldp_binding.cpp b/src/vpp-api/vom/lldp_binding.cpp
index a1d3d9f57ba..69b30c2ce94 100644
--- a/src/vpp-api/vom/lldp_binding.cpp
+++ b/src/vpp-api/vom/lldp_binding.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/lldp_binding.hpp"
 #include "vom/lldp_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -70,7 +71,7 @@ lldp_binding::sweep()
 void
 lldp_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -149,7 +150,7 @@ lldp_binding::event_handler::order() const
 void
 lldp_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/lldp_global.cpp b/src/vpp-api/vom/lldp_global.cpp
index 7e701dc4c52..6bae7993651 100644
--- a/src/vpp-api/vom/lldp_global.cpp
+++ b/src/vpp-api/vom/lldp_global.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/lldp_global.hpp"
 #include "vom/lldp_global_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 /**
@@ -70,7 +71,7 @@ lldp_global::sweep()
 void
 lldp_global::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -148,7 +149,7 @@ lldp_global::event_handler::order() const
 void
 lldp_global::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/nat_binding.cpp b/src/vpp-api/vom/nat_binding.cpp
index a3f71117eef..eca3f9041f0 100644
--- a/src/vpp-api/vom/nat_binding.cpp
+++ b/src/vpp-api/vom/nat_binding.cpp
@@ -16,6 +16,7 @@
 #include "vom/nat_binding.hpp"
 #include "vom/cmd.hpp"
 #include "vom/nat_binding_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<const nat_binding::key_t, nat_binding> nat_binding::m_db;
@@ -157,7 +158,7 @@ nat_binding::singular() const
 void
 nat_binding::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
@@ -224,7 +225,7 @@ nat_binding::event_handler::order() const
 void
 nat_binding::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/nat_static.cpp b/src/vpp-api/vom/nat_static.cpp
index b507a5191d4..3185b56e228 100644
--- a/src/vpp-api/vom/nat_static.cpp
+++ b/src/vpp-api/vom/nat_static.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/nat_static.hpp"
 #include "vom/nat_static_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<nat_static::key_t, nat_static> nat_static::m_db;
@@ -136,7 +137,7 @@ nat_static::singular() const
 void
 nat_static::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 nat_static::event_handler::event_handler()
@@ -190,7 +191,7 @@ nat_static::event_handler::order() const
 void
 nat_static::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/neighbour.cpp b/src/vpp-api/vom/neighbour.cpp
index 9b53cb2a6bb..44e2760a1ec 100644
--- a/src/vpp-api/vom/neighbour.cpp
+++ b/src/vpp-api/vom/neighbour.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/neighbour.hpp"
 #include "vom/neighbour_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 singular_db<neighbour::key_t, neighbour> neighbour::m_db;
@@ -120,7 +121,7 @@ neighbour::singular() const
 void
 neighbour::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
@@ -203,7 +204,7 @@ neighbour::event_handler::order() const
 void
 neighbour::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 }
 
diff --git a/src/vpp-api/vom/route.cpp b/src/vpp-api/vom/route.cpp
index fa6e5d43b37..247afa008a7 100644
--- a/src/vpp-api/vom/route.cpp
+++ b/src/vpp-api/vom/route.cpp
@@ -15,7 +15,7 @@
 
 #include "vom/route.hpp"
 #include "vom/route_cmds.hpp"
-#include "vom/singular_db.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 namespace route {
@@ -367,7 +367,7 @@ ip_route::singular() const
 void
 ip_route::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 ip_route::event_handler::event_handler()
@@ -514,7 +514,7 @@ ip_route::event_handler::order() const
 void
 ip_route::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 std::ostream&
diff --git a/src/vpp-api/vom/route_domain.cpp b/src/vpp-api/vom/route_domain.cpp
index 626a9cd29a9..b97faf6ae49 100644
--- a/src/vpp-api/vom/route_domain.cpp
+++ b/src/vpp-api/vom/route_domain.cpp
@@ -16,6 +16,7 @@
 #include "vom/route_domain.hpp"
 #include "vom/cmd.hpp"
 #include "vom/route_domain_cmds.hpp"
+#include "vom/singular_db_funcs.hpp"
 
 namespace VOM {
 
@@ -152,7 +153,7 @@ route_domain::singular() const
 void
 route_domain::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void
@@ -181,7 +182,7 @@ route_domain::event_handler::order() const
 void
 route_domain::event_handler::show(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 }; // namespace VOPM
diff --git a/src/vpp-api/vom/singular_db.hpp b/src/vpp-api/vom/singular_db.hpp
index 07ea2cb4acf..afca9a3509e 100644
--- a/src/vpp-api/vom/singular_db.hpp
+++ b/src/vpp-api/vom/singular_db.hpp
@@ -16,6 +16,7 @@
 #ifndef __VOM_INST_DB_H__
 #define __VOM_INST_DB_H__
 
+#include <map>
 #include <memory>
 #include <ostream>
 
@@ -46,12 +47,12 @@ public:
   /**
    * Get iterator to the beginning of the DB
    */
-  const_iterator cbegin() { return m_map.cbegin(); }
+  const_iterator begin() const { return m_map.cbegin(); }
 
   /**
    * Get iterator to the beginning of the DB
    */
-  const_iterator cend() { return m_map.cend(); }
+  const_iterator end() const { return m_map.cend(); }
 
   /**
    * Find or add the object to the store.
@@ -119,17 +120,6 @@ public:
   void add(const KEY& key, std::shared_ptr<OBJ> sp) { m_map[key] = sp; }
 
   /**
-   * Print each of the object in the DB into the stream provided
-   */
-  void dump(std::ostream& os)
-  {
-    for (auto entry : m_map) {
-      os << "key: " << entry.first << std::endl;
-      os << "  " << entry.second.lock()->to_string() << std::endl;
-    }
-  }
-
-  /**
    * Populate VPP from current state, on VPP restart
    */
   void replay()
diff --git a/src/vpp-api/vom/singular_db_funcs.hpp b/src/vpp-api/vom/singular_db_funcs.hpp
new file mode 100644
index 00000000000..dddc6e4c229
--- /dev/null
+++ b/src/vpp-api/vom/singular_db_funcs.hpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __VOM_INST_DB_FUNCS_H__
+#define __VOM_INST_DB_FUNCS_H__
+
+#include <ostream>
+
+#include "singular_db.hpp"
+
+/**
+ * A set of helper function to iterate over objects in the DB.
+ * These functions are delcared not as DB member functions so that
+ * the template instatiation of the DB does not require the definitions
+ * of the functions used to be declared.
+ */
+namespace VOM {
+/**
+ * Print each of the objects in the DB into the stream provided
+ */
+template <typename DB>
+void
+db_dump(const DB& db, std::ostream& os)
+{
+  for (const auto entry : db) {
+    os << "key: " << entry.first << std::endl;
+    os << "  " << entry.second.lock()->to_string() << std::endl;
+  }
+}
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif
diff --git a/src/vpp-api/vom/vxlan_tunnel.cpp b/src/vpp-api/vom/vxlan_tunnel.cpp
index f6f3cf586e1..3d5ed64c5e0 100644
--- a/src/vpp-api/vom/vxlan_tunnel.cpp
+++ b/src/vpp-api/vom/vxlan_tunnel.cpp
@@ -15,6 +15,7 @@
 
 #include "vom/vxlan_tunnel.hpp"
 #include "vom/logger.hpp"
+#include "vom/singular_db_funcs.hpp"
 #include "vom/vxlan_tunnel_cmds.hpp"
 
 namespace VOM {
@@ -197,7 +198,7 @@ vxlan_tunnel::singular_i() const
 void
 vxlan_tunnel::dump(std::ostream& os)
 {
-  m_db.dump(os);
+  db_dump(m_db, os);
 }
 
 void