[5531] Checkpoint: 3/4 code done

1 files changed, 8 insertions, 2 deletions

diff --git a/src/lib/dhcpsrv/base_host_data_source.h b/src/lib/dhcpsrv/base_host_data_source.h
index 2e3ed16db1..e68f5d1729 100644
--- a/src/lib/dhcpsrv/base_host_data_source.h
+++ b/src/lib/dhcpsrv/base_host_data_source.h
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2014-2018 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
@@ -14,6 +14,8 @@
 #include <exceptions/exceptions.h>
 #include <boost/shared_ptr.hpp>
 
+#include <vector>
+
 namespace isc {
 namespace dhcp {
 
@@ -245,7 +247,8 @@ public:
     /// is identified by HW address, another one by DUID.
     ///
     /// @param host Pointer to the new @c Host object being added.
-    virtual void add(const HostPtr& host) = 0;
+    /// @return true if addition was successful.
+    virtual bool add(const HostPtr& host) = 0;
 
     /// @brief Attempts to delete a host by (subnet-id, address)
     ///
@@ -310,6 +313,9 @@ public:
 /// @brief HostDataSource pointer
 typedef boost::shared_ptr<BaseHostDataSource> HostDataSourcePtr;
 
+/// @brief HostDataSource list
+typedef std::vector<HostDataSourcePtr> HostDataSourceList;
+
 }
 }