[3555] Version number check in Memfile.

src/lib/dhcpsrv/memfile_lease_mgr.h

@@ -71,6 +71,23 @@ namespace dhcp {
 class Memfile_LeaseMgr : public LeaseMgr {
 public:
 
+    /// @defgroup versions Specified memfile backend version.
+    ///
+    /// @brief Defines major version of the memfile backend.
+    ///
+    /// Version history:
+    /// 1.0 - initial version (released in Kea 0.9)
+    /// 2.0 - hwaddr column added (to be released in Kea 0.9.1)
+    ///
+    /// @{
+    static const int MAJOR_VERSION = 2;
+
+    /// Defines minor version of the memfile backend.
+    static const int MINOR_VERSION = 0;
+
+    /// @}
+
+
     /// @brief Specifies universe (V4, V6)
     ///
     /// This enumeration is used by various functions in Memfile Lease Manager,
@@ -274,12 +291,8 @@ public:
     ///
     /// @return Version number as a pair of unsigned integers.  "first" is the
     ///         major version number, "second" the minor number.
-    ///
-    /// Numbering history:
-    /// 1.0 - initial version (released as 0.9)
-    /// 2.0 - hwaddr (hardware address/MAC) column added
     virtual std::pair<uint32_t, uint32_t> getVersion() const {
-        return (std::make_pair(2, 0));
+        return (std::make_pair(MAJOR_VERSION, MINOR_VERSION));
     }
 
     /// @brief Commit Transactions

src/lib/dhcpsrv/tests/generic_lease_mgr_unittest.cc

@@ -1602,6 +1602,12 @@ GenericLeaseMgrTest::testNullDuid() {
     ASSERT_THROW(lmptr_->addLease(leases[1]), DbOperationError);
 }
 
+void
+GenericLeaseMgrTest::testVersion(int major, int minor) {
+    EXPECT_EQ(major, lmptr_->getVersion().first);
+    EXPECT_EQ(minor, lmptr_->getVersion().second);
+}
+
 
 }; // namespace test
 }; // namespace dhcp

src/lib/dhcpsrv/tests/generic_lease_mgr_unittest.h

@@ -257,6 +257,11 @@ public:
     /// @brief Verifies that a null DUID is not allowed.
     void testNullDuid();
 
+    /// @brief Verifies that the backend reports expected version numbers.
+    /// @param major Expected major version to be reported.
+    /// @param minor Expected minor version to be reported.
+    void testVersion(int major, int minor);
+
     /// @brief String forms of IPv4 addresses
     std::vector<std::string>  straddress4_;
 

src/lib/dhcpsrv/tests/memfile_lease_mgr_unittest.cc

@@ -465,4 +465,20 @@ TEST_F(MemfileLeaseMgrTest, testUpgrade0_9_0_to_0_9_1) {
     EXPECT_FALSE(stored3->hwaddr_);
 }
 
+// Check that memfile reports version correctly.
+TEST_F(MemfileLeaseMgrTest, versionCheck) {
+
+    // Check that V4 backend reports versions correctly.
+    startBackend(V4);
+    testVersion(Memfile_LeaseMgr::MAJOR_VERSION,
+                Memfile_LeaseMgr::MINOR_VERSION);
+    LeaseMgrFactory::destroy();
+
+    // Check that V6 backends reports them ok, too.
+    startBackend(V6);
+    testVersion(Memfile_LeaseMgr::MAJOR_VERSION,
+                Memfile_LeaseMgr::MINOR_VERSION);
+    LeaseMgrFactory::destroy();
+}
+
 }; // end of anonymous namespace