[3913] Allocation engine extends the lifetime of the lease for Request.

1 files changed, 12 insertions, 5 deletions

diff --git a/src/lib/dhcpsrv/alloc_engine.h b/src/lib/dhcpsrv/alloc_engine.h
index f867f8c8fb..2c2335dbe3 100644
--- a/src/lib/dhcpsrv/alloc_engine.h
+++ b/src/lib/dhcpsrv/alloc_engine.h
@@ -634,19 +634,26 @@ private:
                                 ClientContext6& ctx,
                                 uint8_t prefix_len);
 
-    /// @brief Updates FQDN data for a collection of leases.
+    /// @brief Updates FQDN and Client's Last Tranmission Time for a collection
+    /// of leases.
+    ///
+    /// This method is executed when the server finds existing leases for a
+    /// client and updates some date for these leases if needed:
+    /// - client's last transmission time (cltt), if the lease to be returned
+    ///   to the client should have its lifetime extended,
+    /// - FQDN data, when the client has negotiated new FQDN with the server.
     ///
     /// @param ctx IPv6 client context (old versions of the leases that had
     ///            FQDN data changed will be stored in ctx.changed_leases_,
     ///            ctx.fwd_dns_update, ctx.rev_dns_update, ctx.hostname_
     ///            and ctx.fake_allocation_ will be used.
-    /// @param leases Collection of leases for which FQDN data should be
+    /// @param leases Collection of leases for which lease data should be
     /// updated.
     ///
-    /// @return Collection of leases with updated FQDN data. Note that returned
+    /// @return Collection of leases with updated data. Note that returned
     /// collection holds updated FQDN data even for fake allocation.
-    Lease6Collection updateFqdnData(ClientContext6& ctx,
-                                    const Lease6Collection& leases);
+    Lease6Collection updateLeaseData(ClientContext6& ctx,
+                                     const Lease6Collection& leases);
 
     /// @brief Utility function that removes all leases with a specified address
     /// @param container A collection of Lease6 pointers