Adding upstream version 2.2.0.upstream/2.2.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/lib/dhcpsrv/cb_ctl_dhcp4.h b/src/lib/dhcpsrv/cb_ctl_dhcp4.h
new file mode 100644
index 0000000..8e38727
--- /dev/null
+++ b/src/lib/dhcpsrv/cb_ctl_dhcp4.h
@@ -0,0 +1,50 @@
+// Copyright (C) 2019 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/.
+
+#ifndef CB_CTL_DHCP4_H
+#define CB_CTL_DHCP4_H
+
+#include <dhcpsrv/cb_ctl_dhcp.h>
+#include <dhcpsrv/config_backend_dhcp4_mgr.h>
+#include <dhcpsrv/srv_config.h>
+
+namespace isc {
+namespace dhcp {
+
+/// @brief Implementation of the mechanisms to control the use of
+/// the Configuration Backends by the DHCPv4 server.
+///
+/// It implements fetching and merging DHCPv4 server configuration from
+/// the database into the staging or current configuration.
+///
+/// @tparam ConfigBackendMgrType Type of the Config Backend Manager used
+/// by the server implementing this class. For example, for the DHCPv4
+/// server it will be @c ConfigBackendDHCPv4Mgr.
+class CBControlDHCPv4 : public CBControlDHCP<ConfigBackendDHCPv4Mgr> {
+protected:
+
+    /// @brief DHCPv4 server specific method to fetch and apply back end
+    /// configuration into the local configuration.
+    ///
+    /// @param backend_selector Backend selector.
+    /// @param server_selector Server selector.
+    /// @param lb_modification_time Lower bound modification time for the
+    /// configuration elements to be fetched.
+    /// @param audit_entries Audit entries fetched from the database since
+    /// the last configuration update. This collection is empty if there
+    /// were no updates.
+    virtual void databaseConfigApply(const db::BackendSelector& backend_selector,
+                                     const db::ServerSelector& server_selector,
+                                     const boost::posix_time::ptime& lb_modification_time,
+                                     const db::AuditEntryCollection& audit_entries);
+};
+
+typedef boost::shared_ptr<CBControlDHCPv4> CBControlDHCPv4Ptr;
+
+} // end of namespace isc::dhcp
+} // end of namespace isc
+
+#endif // CB_CTL_DHCP4_H