[3965] Write and read state from the lease files.

src/bin/lfc/tests/lfc_controller_unittests.cc

@@ -90,11 +90,11 @@ protected:
         cstr_ = base_dir + "/" + "config_file";     // config
 
         v4_hdr_ = "address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n";
+                  "fqdn_fwd,fqdn_rev,hostname,state\n";
 
         v6_hdr_ = "address,duid,valid_lifetime,expire,subnet_id,"
                   "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-                  "fqdn_rev,hostname,hwaddr\n";
+                  "fqdn_rev,hostname,hwaddr,state\n";
 
         // and remove any outstanding test files
         removeTestFile();
@@ -402,26 +402,26 @@ TEST_F(LFCControllerTest, launch4) {
     // We have several entries for different leases, the naming is:
     // <lease letter>_<version#>
     string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                 "200,200,8,1,1,host.example.com\n";
+                 "200,200,8,1,1,host.example.com,1\n";
     string a_2 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                 "200,500,8,1,1,host.example.com\n";
+                 "200,500,8,1,1,host.example.com,1\n";
     string a_3 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                 "200,800,8,1,1,host.example.com\n";
+                 "200,800,8,1,1,host.example.com,1\n";
 
     string b_1 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                 "100,100,7,0,0,\n";
+                 "100,100,7,0,0,,1\n";
     string b_2 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                 "100,135,7,0,0,\n";
+                 "100,135,7,0,0,,1\n";
     string b_3 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                 "100,150,7,0,0,\n";
+                 "100,150,7,0,0,,1\n";
 
     string c_1 = "192.0.2.3,,a:11:01:04,"
-                 "200,200,8,1,1,host.example.com\n";
+                 "200,200,8,1,1,host.example.com,1\n";
 
     string d_1 = "192.0.2.5,16:17:18:19:1a:bc,,"
-                 "200,200,8,1,1,host.example.com\n";
+                 "200,200,8,1,1,host.example.com,1\n";
     string d_2 = "192.0.2.5,16:17:18:19:1a:bc,,"
-                 "0,200,8,1,1,host.example.com\n";
+                 "0,200,8,1,1,host.example.com,1\n";
 
     // Subtest 1: both previous and copy available.
     // Create the test previous file
@@ -556,27 +556,27 @@ TEST_F(LFCControllerTest, launch6) {
     // We have several entries for different leases, the naming is:
     // <lease letter>_<version#>.
     string a_1 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "200,200,8,100,0,7,0,1,1,host.example.com,\n";
-    string a_2 = "2001:db8:1::1,,200,200,8,100,0,7,0,1,1,host.example.com,\n";
+                 "200,200,8,100,0,7,0,1,1,host.example.com,,1\n";
+    string a_2 = "2001:db8:1::1,,200,200,8,100,0,7,0,1,1,host.example.com,,1\n";
     string a_3 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "200,400,8,100,0,7,0,1,1,host.example.com,\n";
+                 "200,400,8,100,0,7,0,1,1,host.example.com,,1\n";
     string a_4 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "0,200,8,100,0,7,0,1,1,host.example.com,\n";
+                 "0,200,8,100,0,7,0,1,1,host.example.com,,1\n";
 
     string b_1 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                 "300,300,6,150,0,8,0,0,0,,\n";
+                 "300,300,6,150,0,8,0,0,0,,,1\n";
     string b_2 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                 "300,800,6,150,0,8,0,0,0,,\n";
+                 "300,800,6,150,0,8,0,0,0,,,1\n";
     string b_3 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                 "300,1000,6,150,0,8,0,0,0,,\n";
+                 "300,1000,6,150,0,8,0,0,0,,,1\n";
 
     string c_1 = "3000:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "100,200,8,0,2,16,64,0,0,,\n";
+                 "100,200,8,0,2,16,64,0,0,,,1\n";
     string c_2 = "3000:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "100,400,8,0,2,16,64,0,0,,\n";
+                 "100,400,8,0,2,16,64,0,0,,,1\n";
 
     string d_1 = "2001:db8:1::3,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                 "200,600,8,100,0,7,0,1,1,host.example.com,\n";
+                 "200,600,8,100,0,7,0,1,1,host.example.com,,1\n";
 
     // Subtest 1: bot previous and copy available
     // Create the test previous file

src/lib/dhcpsrv/csv_lease_file4.cc

@@ -59,6 +59,7 @@ CSVLeaseFile4::append(const Lease4& lease) {
     row.writeAt(getColumnIndex("fqdn_fwd"), lease.fqdn_fwd_);
     row.writeAt(getColumnIndex("fqdn_rev"), lease.fqdn_rev_);
     row.writeAt(getColumnIndex("hostname"), lease.hostname_);
+    row.writeAt(getColumnIndex("state"), lease.state_);
 
     try {
         CSVFile::append(row);
@@ -115,6 +116,7 @@ CSVLeaseFile4::next(Lease4Ptr& lease) {
                                readFqdnFwd(row),
                                readFqdnRev(row),
                                readHostname(row)));
+        lease->state_ = readState(row);
 
     } catch (std::exception& ex) {
         // bump the read error count
@@ -144,6 +146,7 @@ CSVLeaseFile4::initColumns() {
     addColumn("fqdn_fwd");
     addColumn("fqdn_rev");
     addColumn("hostname");
+    addColumn("state");
 }
 
 IOAddress
@@ -212,5 +215,11 @@ CSVLeaseFile4::readHostname(const CSVRow& row) {
     return (hostname);
 }
 
+uint32_t
+CSVLeaseFile4::readState(const util::CSVRow& row) {
+    uint32_t state = row.readAndConvertAt<uint32_t>(getColumnIndex("state"));
+    return (state);
+}
+
 } // end of namespace isc::dhcp
 } // end of namespace isc

src/lib/dhcpsrv/csv_lease_file4.h

@@ -102,6 +102,7 @@ private:
     /// - fqdn_fwd
     /// - fqdn_rev
     /// - hostname
+    /// - state
     void initColumns();
 
     ///
@@ -111,48 +112,53 @@ private:
     ///
     /// @brief Reads lease address from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     asiolink::IOAddress readAddress(const util::CSVRow& row);
 
     /// @brief Reads HW address from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     HWAddr readHWAddr(const util::CSVRow& row);
 
     /// @brief Reads client identifier from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     ClientIdPtr readClientId(const util::CSVRow& row);
 
     /// @brief Reads valid lifetime from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint32_t readValid(const util::CSVRow& row);
 
     /// @brief Reads cltt value from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     time_t readCltt(const util::CSVRow& row);
 
     /// @brief Reads subnet id from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     SubnetID readSubnetID(const util::CSVRow& row);
 
     /// @brief Reads the FQDN forward flag from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     bool readFqdnFwd(const util::CSVRow& row);
 
     /// @brief Reads the FQDN reverse flag from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     bool readFqdnRev(const util::CSVRow& row);
 
     /// @brief Reads hostname from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     std::string readHostname(const util::CSVRow& row);
+
+    /// @brief Reads lease state from the CSV file row.
+    ///
+    /// @param row CSV file row holding lease information.
+    uint32_t readState(const util::CSVRow& row);
     //@}
 
 };

src/lib/dhcpsrv/csv_lease_file6.cc

@@ -59,6 +59,7 @@ CSVLeaseFile6::append(const Lease6& lease) {
         // We may not have hardware information
         row.writeAt(getColumnIndex("hwaddr"), lease.hwaddr_->toText(false));
     }
+    row.writeAt(getColumnIndex("state"), lease.state_);
     try {
         CSVFile::append(row);
     } catch (const std::exception&) {
@@ -100,6 +101,7 @@ CSVLeaseFile6::next(Lease6Ptr& lease) {
         lease->fqdn_fwd_ = readFqdnFwd(row);
         lease->fqdn_rev_ = readFqdnRev(row);
         lease->hostname_ = readHostname(row);
+        lease->state_ = readState(row);
 
     } catch (std::exception& ex) {
         // bump the read error count
@@ -133,6 +135,7 @@ CSVLeaseFile6::initColumns() {
     addColumn("fqdn_rev");
     addColumn("hostname");
     addColumn("hwaddr");
+    addColumn("state");
 }
 
 Lease::Type
@@ -239,21 +242,10 @@ CSVLeaseFile6::readHWAddr(const CSVRow& row) {
     }
 }
 
-bool
-CSVLeaseFile6::validateHeader(const isc::util::CSVRow& header) {
-
-    if (!CSVFile::validateHeader(header)) {
-
-        // One possible validation failure is that we're reading Kea 0.9
-        // lease file that didn't have hwaddr column. Let's add it and
-        // try to revalidate.
-        isc::util::CSVRow copy = header;
-        copy.append("hwaddr");
-        return CSVFile::validateHeader(copy);
-    } else {
-        return (true);
-    }
-
+uint32_t
+CSVLeaseFile6::readState(const util::CSVRow& row) {
+    uint32_t state = row.readAndConvertAt<uint32_t>(getColumnIndex("state"));
+    return (state);
 }
 
 } // end of namespace isc::dhcp

src/lib/dhcpsrv/csv_lease_file6.h

@@ -87,18 +87,6 @@ public:
     /// ticket http://kea.isc.org/ticket/2405 is implemented.
     bool next(Lease6Ptr& lease);
 
-protected:
-    /// @brief This function validates the header of the Lease6 CSV file.
-    ///
-    /// It works similar to @c CSVFile::validateHeader, but if the validation
-    /// fails, it attempts to add hwaddr column and retry validation.
-    /// That's useful when attmepting to read CSV file generated in 0.9
-    /// (did not have hwaddr field) in 0.9.1 or later code.
-    ///
-    /// @param header A row holding a header.
-    /// @return true if header matches the columns; false otherwise.
-    virtual bool validateHeader(const isc::util::CSVRow& header);
-
 private:
 
     /// @brief Initializes columns of the CSV file holding leases.
@@ -117,6 +105,7 @@ private:
     /// - fqdn_rev
     /// - hostname
     /// - hwaddr
+    /// - state
     void initColumns();
 
     ///
@@ -126,69 +115,74 @@ private:
     ///
     /// @brief Reads lease type from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     Lease::Type readType(const util::CSVRow& row);
 
     /// @brief Reads lease address from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     asiolink::IOAddress readAddress(const util::CSVRow& row);
 
     /// @brief Reads DUID from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     DuidPtr readDUID(const util::CSVRow& row);
 
     /// @brief Reads IAID from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint32_t readIAID(const util::CSVRow& row);
 
     /// @brief Reads preferred lifetime from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint32_t readPreferred(const util::CSVRow& row);
 
     /// @brief Reads valid lifetime from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint32_t readValid(const util::CSVRow& row);
 
     /// @brief Reads cltt value from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint32_t readCltt(const util::CSVRow& row);
 
     /// @brief Reads subnet id from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     SubnetID readSubnetID(const util::CSVRow& row);
 
     /// @brief Reads prefix length from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     uint8_t readPrefixLen(const util::CSVRow& row);
 
     /// @brief Reads the FQDN forward flag from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     bool readFqdnFwd(const util::CSVRow& row);
 
     /// @brief Reads the FQDN reverse flag from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     bool readFqdnRev(const util::CSVRow& row);
 
     /// @brief Reads hostname from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     std::string readHostname(const util::CSVRow& row);
 
     /// @brief Reads HW address from the CSV file row.
     ///
-    /// @param row CSV file holding lease values.
+    /// @param row CSV file row holding lease information.
     /// @return pointer to the HWAddr structure that was read
     HWAddrPtr readHWAddr(const util::CSVRow& row);
+
+    /// @brief Reads lease state from the CSV file row.
+    ///
+    /// @param row CSV file row holding lease information.
+    uint32_t readState(const util::CSVRow& row);
     //@}
 
 };

src/lib/dhcpsrv/tests/csv_lease_file4_unittest.cc

@@ -111,12 +111,12 @@ CSVLeaseFile4Test::absolutePath(const std::string& filename) {
 void
 CSVLeaseFile4Test::writeSampleFile() const {
     io_.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
                   "192.0.2.1,06:07:08:09:0a:bc,,200,200,8,1,1,"
-                  "host.example.com\n"
-                  "192.0.2.1,,a:11:01:04,200,200,8,1,1,host.example.com\n"
+                  "host.example.com,1\n"
+                  "192.0.2.1,,a:11:01:04,200,200,8,1,1,host.example.com,1\n"
                   "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,100,100,7,"
-                  "0,0,\n");
+                  "0,0,,2\n");
 }
 
 // This test checks the capability to read and parse leases from the file.
@@ -153,6 +153,7 @@ TEST_F(CSVLeaseFile4Test, parse) {
     EXPECT_TRUE(lease->fqdn_fwd_);
     EXPECT_TRUE(lease->fqdn_rev_);
     EXPECT_EQ("host.example.com", lease->hostname_);
+    EXPECT_EQ(Lease::STATE_DEFAULT, lease->state_);
     }
 
     // Second lease is malformed - HW address is empty.
@@ -182,6 +183,7 @@ TEST_F(CSVLeaseFile4Test, parse) {
     EXPECT_FALSE(lease->fqdn_fwd_);
     EXPECT_FALSE(lease->fqdn_rev_);
     EXPECT_TRUE(lease->hostname_.empty());
+    EXPECT_EQ(Lease::STATE_DECLINED, lease->state_);
     }
 
     // There are no more leases. Reading should cause no error, but the returned
@@ -217,6 +219,7 @@ TEST_F(CSVLeaseFile4Test, recreate) {
                                NULL, 0,
                                200, 50, 80, 0, 8, true, true,
                                "host.example.com"));
+    lease->state_ = Lease::STATE_EXPIRED_RECLAIMED;
     {
     SCOPED_TRACE("First write");
     ASSERT_NO_THROW(lf->append(*lease));
@@ -238,10 +241,10 @@ TEST_F(CSVLeaseFile4Test, recreate) {
     lf->close();
     // Check that the contents of the csv file are correct.
     EXPECT_EQ("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-              "fqdn_fwd,fqdn_rev,hostname\n"
-              "192.0.3.2,00:01:02:03:04:05,,200,200,8,1,1,host.example.com\n"
+              "fqdn_fwd,fqdn_rev,hostname,state\n"
+              "192.0.3.2,00:01:02:03:04:05,,200,200,8,1,1,host.example.com,4\n"
               "192.0.3.10,0d:0e:0a:0d:0b:0e:0e:0f,01:02:03:04,100,100,7,0,"
-              "0,\n",
+              "0,,1\n",
               io_.readFile());
 }
 

src/lib/dhcpsrv/tests/csv_lease_file6_unittest.cc

@@ -110,14 +110,14 @@ void
 CSVLeaseFile6Test::writeSampleFile() const {
     io_.writeFile("address,duid,valid_lifetime,expire,subnet_id,"
                   "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-                  "fqdn_rev,hostname,hwaddr\n"
+                  "fqdn_rev,hostname,hwaddr,state\n"
                   "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                  "200,200,8,100,0,7,0,1,1,host.example.com\n"
-                  "2001:db8:1::1,,200,200,8,100,0,7,0,1,1,host.example.com\n"
+                  "200,200,8,100,0,7,0,1,1,host.example.com,,1\n"
+                  "2001:db8:1::1,,200,200,8,100,0,7,0,1,1,host.example.com,,1\n"
                   "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,300,300,6,150,"
-                  "0,8,0,0,0,\n"
+                  "0,8,0,0,0,,,1\n"
                   "3000:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,0,200,8,0,2,"
-                  "16,64,0,0,,\n");
+                  "16,64,0,0,,,1\n");
 }
 
 // This test checks the capability to read and parse leases from the file.
@@ -277,13 +277,14 @@ TEST_F(CSVLeaseFile6Test, recreate) {
     }
 
     EXPECT_EQ("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-              "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+              "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+              "state\n"
               "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-              "200,200,8,100,0,7,0,1,1,host.example.com,\n"
+              "200,200,8,100,0,7,0,1,1,host.example.com,,1\n"
               "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05"
-              ",300,300,6,150,0,8,128,0,0,,\n"
+              ",300,300,6,150,0,8,128,0,0,,,1\n"
               "3000:1:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-              "300,300,10,150,2,7,64,0,0,,\n",
+              "300,300,10,150,2,7,64,0,0,,,1\n",
               io_.readFile());
 }
 

src/lib/dhcpsrv/tests/lease_file_loader_unittest.cc

@@ -151,11 +151,11 @@ protected:
     /// @brief Sets up the header strings
     virtual void SetUp() {
         v4_hdr_ = "address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n";
+                  "fqdn_fwd,fqdn_rev,hostname,state\n";
 
         v6_hdr_ = "address,duid,valid_lifetime,expire,subnet_id,"
                   "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-                  "fqdn_rev,hostname,hwaddr\n";
+                  "fqdn_rev,hostname,hwaddr,state\n";
     }
 };
 
@@ -179,17 +179,17 @@ LeaseFileLoaderTest::absolutePath(const std::string& filename) {
 TEST_F(LeaseFileLoaderTest, loadWrite4) {
     std::string test_str;
     std::string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "200,200,8,1,1,host.example.com\n";
+                      "200,200,8,1,1,host.example.com,1\n";
     std::string a_2 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "200,500,8,1,1,host.example.com\n";
+                      "200,500,8,1,1,host.example.com,1\n";
 
     std::string b_1 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                      "100,100,7,0,0,\n";
+                      "100,100,7,0,0,,1\n";
     std::string b_2 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                      "100,135,7,0,0,\n";
+                      "100,135,7,0,0,,1\n";
 
     std::string c_1 = "192.0.2.3,,a:11:01:04,"
-                      "200,200,8,1,1,host.example.com\n";
+                      "200,200,8,1,1,host.example.com,1\n";
 
     // Create lease file with leases for 192.0.2.1, 192.0.3.15. The lease
     // entry for the 192.0.2.3 is invalid (lacks HW address) and should
@@ -250,14 +250,14 @@ TEST_F(LeaseFileLoaderTest, loadWrite4) {
 TEST_F(LeaseFileLoaderTest, loadWrite4LeaseRemove) {
     std::string test_str;
     std::string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "200,200,8,1,1,host.example.com\n";
+                      "200,200,8,1,1,host.example.com,1\n";
     std::string a_2 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "0,500,8,1,1,host.example.com\n";
+                      "0,500,8,1,1,host.example.com,1\n";
 
     std::string b_1 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                      "100,100,7,0,0,\n";
+                      "100,100,7,0,0,,1\n";
     std::string b_2 = "192.0.3.15,dd:de:ba:0d:1b:2e:3e:4f,0a:00:01:04,"
-                      "100,135,7,0,0,\n";
+                      "100,135,7,0,0,,1\n";
 
 
     // Create lease file in which one of the entries for 192.0.2.1
@@ -305,19 +305,19 @@ TEST_F(LeaseFileLoaderTest, loadWrite4LeaseRemove) {
 TEST_F(LeaseFileLoaderTest, loadWrite6) {
     std::string test_str;
     std::string a_1 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                      "200,200,8,100,0,7,0,1,1,host.example.com,\n";
+                      "200,200,8,100,0,7,0,1,1,host.example.com,,1\n";
     std::string a_2 = "2001:db8:1::1,,"
-                      "200,200,8,100,0,7,0,1,1,host.example.com,\n";
+                      "200,200,8,100,0,7,0,1,1,host.example.com,,1\n";
     std::string a_3 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                      "200,400,8,100,0,7,0,1,1,host.example.com,\n";
+                      "200,400,8,100,0,7,0,1,1,host.example.com,,1\n";
 
     std::string b_1 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                      "300,300,6,150,0,8,0,0,0,,\n";
+                      "300,300,6,150,0,8,0,0,0,,,1\n";
     std::string b_2 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                      "300,800,6,150,0,8,0,0,0,,\n";
+                      "300,800,6,150,0,8,0,0,0,,,1\n";
 
     std::string c_1 = "3000:1::,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                      "100,200,8,0,2,16,64,0,0,,\n";
+                      "100,200,8,0,2,16,64,0,0,,,1\n";
 
 
 
@@ -379,14 +379,14 @@ TEST_F(LeaseFileLoaderTest, loadWrite6) {
 TEST_F(LeaseFileLoaderTest, loadWrite6LeaseRemove) {
     std::string test_str;
     std::string a_1 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                      "200,200,8,100,0,7,0,1,1,host.example.com,\n";
+                      "200,200,8,100,0,7,0,1,1,host.example.com,,1\n";
     std::string a_2 = "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,"
-                      "0,400,8,100,0,7,0,1,1,host.example.com,\n";
+                      "0,400,8,100,0,7,0,1,1,host.example.com,,1\n";
 
     std::string b_1 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                      "300,300,6,150,0,8,0,0,0,,\n";
+                      "300,300,6,150,0,8,0,0,0,,,1\n";
     std::string b_2 = "2001:db8:2::10,01:01:01:01:0a:01:02:03:04:05,"
-                      "300,800,6,150,0,8,0,0,0,,\n";
+                      "300,800,6,150,0,8,0,0,0,,,1\n";
 
     // Create lease file in which one of the entries for the 2001:db8:1::1
     // has valid lifetime set to 0, in which case the lease should be
@@ -431,13 +431,13 @@ TEST_F(LeaseFileLoaderTest, loadWrite6LeaseRemove) {
 TEST_F(LeaseFileLoaderTest, loadMaxErrors) {
     std::string test_str;
     std::string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "200,200,8,1,1,host.example.com\n";
+                      "200,200,8,1,1,host.example.com,1\n";
     std::string a_2 = "192.0.2.1,06:07:08:09:0a:bc,,"
-                      "200,500,8,1,1,host.example.com\n";
+                      "200,500,8,1,1,host.example.com,1\n";
 
-    std::string b_1 = "192.0.2.3,,a:11:01:04,200,200,8,1,1,host.example.com\n";
+    std::string b_1 = "192.0.2.3,,a:11:01:04,200,200,8,1,1,host.example.com,1\n";
 
-    std::string c_1 = "192.0.2.10,01:02:03:04:05:06,,200,300,8,1,1,\n";
+    std::string c_1 = "192.0.2.10,01:02:03:04:05:06,,200,300,8,1,1,,1\n";
 
     // Create a lease file for which there is a number of invalid
     // entries.  b_1 is invalid and gets used multiple times.
@@ -501,8 +501,8 @@ TEST_F(LeaseFileLoaderTest, loadMaxErrors) {
 // and comparing that with the expected value.
 TEST_F(LeaseFileLoaderTest, loadWriteLeaseWithZeroLifetime) {
     std::string test_str;
-    std::string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,200,200,8,1,1,\n";
-    std::string b_2 = "192.0.2.3,06:07:08:09:0a:bd,,0,200,8,1,1,\n";
+    std::string a_1 = "192.0.2.1,06:07:08:09:0a:bc,,200,200,8,1,1,,1\n";
+    std::string b_2 = "192.0.2.3,06:07:08:09:0a:bd,,0,200,8,1,1,,1\n";
 
     // Create lease file. The second lease has a valid lifetime of 0.
     test_str = v4_hdr_ + a_1 + b_2;

src/lib/dhcpsrv/tests/memfile_lease_mgr_unittest.cc

@@ -404,20 +404,20 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanup4) {
     // stored.
     std::string new_file_contents =
         "address,hwaddr,client_id,valid_lifetime,expire,"
-        "subnet_id,fqdn_fwd,fqdn_rev,hostname\n";
+        "subnet_id,fqdn_fwd,fqdn_rev,hostname,state\n";
 
     // This string contains the contents of the lease file with exactly
     // one lease, but two entries. One of the entries should be removed
     // as a result of lease file cleanup.
     std::string current_file_contents = new_file_contents +
-        "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,\n"
-        "192.0.2.2,02:02:02:02:02:02,,200,800,8,1,1,,\n";
+        "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,1\n"
+        "192.0.2.2,02:02:02:02:02:02,,200,800,8,1,1,,1\n";
     LeaseFileIO current_file(getLeaseFilePath("leasefile4_0.csv"));
     current_file.writeFile(current_file_contents);
 
     std::string previous_file_contents = new_file_contents +
-        "192.0.2.3,03:03:03:03:03:03,,200,200,8,1,1,,\n"
-        "192.0.2.3,03:03:03:03:03:03,,200,800,8,1,1,,\n";
+        "192.0.2.3,03:03:03:03:03:03,,200,200,8,1,1,,1\n"
+        "192.0.2.3,03:03:03:03:03:03,,200,800,8,1,1,,1\n";
     LeaseFileIO previous_file(getLeaseFilePath("leasefile4_0.csv.2"));
     previous_file.writeFile(previous_file_contents);
 
@@ -453,15 +453,15 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanup4) {
     ASSERT_NO_THROW(lease_mgr->addLease(new_lease));
 
     std::string updated_file_contents = new_file_contents +
-        "192.0.2.45,00:00:00:00:00:00,,100,100,1,0,0,\n";
+        "192.0.2.45,00:00:00:00:00:00,,100,100,1,0,0,,1\n";
     EXPECT_EQ(updated_file_contents, current_file.readFile());
 
     // This string contains the contents of the lease file we
     // expect after the LFC run.  It has two leases with one
     // entry each.
     std::string result_file_contents = new_file_contents +
-        "192.0.2.2,02:02:02:02:02:02,,200,800,8,1,1,\n"
-        "192.0.2.3,03:03:03:03:03:03,,200,800,8,1,1,\n";
+        "192.0.2.2,02:02:02:02:02:02,,200,800,8,1,1,,1\n"
+        "192.0.2.3,03:03:03:03:03:03,,200,800,8,1,1,,1\n";
 
     // The LFC should have created a file with the two leases and moved it
     // to leasefile4_0.csv.2
@@ -480,24 +480,24 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanup6) {
     std::string new_file_contents =
         "address,duid,valid_lifetime,expire,subnet_id,"
         "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-        "fqdn_rev,hostname,hwaddr\n";
+        "fqdn_rev,hostname,hwaddr,state\n";
 
     // This string contains the contents of the lease file with exactly
     // one lease, but two entries. One of the entries should be removed
     // as a result of lease file cleanup.
     std::string current_file_contents = new_file_contents +
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,200,"
-        "8,100,0,7,0,1,1,,\n"
+        "8,100,0,7,0,1,1,,,1\n"
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO current_file(getLeaseFilePath("leasefile6_0.csv"));
     current_file.writeFile(current_file_contents);
 
     std::string previous_file_contents = new_file_contents +
         "2001:db8:1::2,01:01:01:01:01:01:01:01:01:01:01:01:01,200,200,"
-        "8,100,0,7,0,1,1,,\n"
+        "8,100,0,7,0,1,1,,,1\n"
         "2001:db8:1::2,01:01:01:01:01:01:01:01:01:01:01:01:01,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO previous_file(getLeaseFilePath("leasefile6_0.csv.2"));
     previous_file.writeFile(previous_file_contents);
 
@@ -536,7 +536,7 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanup6) {
 
     std::string update_file_contents = new_file_contents +
         "3000::1,00:00:00:00:00:00:00:00:00:00:00:00:00,400,"
-        "400,2,300,0,123,128,0,0,,\n";
+        "400,2,300,0,123,128,0,0,,,1\n";
     EXPECT_EQ(update_file_contents, current_file.readFile());
 
     // This string contains the contents of the lease file we
@@ -544,9 +544,9 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanup6) {
     // entry each.
     std::string result_file_contents = new_file_contents +
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,800,"
-        "8,100,0,7,0,1,1,,\n"
+        "8,100,0,7,0,1,1,,,1\n"
         "2001:db8:1::2,01:01:01:01:01:01:01:01:01:01:01:01:01,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
 
     // The LFC should have created a file with the two leases and moved it
     // to leasefile6_0.csv.2
@@ -564,11 +564,11 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCleanupStartFail) {
     // stored.
     std::string new_file_contents =
         "address,hwaddr,client_id,valid_lifetime,expire,"
-        "subnet_id,fqdn_fwd,fqdn_rev,hostname\n";
+        "subnet_id,fqdn_fwd,fqdn_rev,hostname,state\n";
 
     // Create the lease file to be used by the backend.
     std::string current_file_contents = new_file_contents +
-        "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,\n";
+        "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,1\n";
     LeaseFileIO current_file(getLeaseFilePath("leasefile4_0.csv"));
     current_file.writeFile(current_file_contents);
 
@@ -605,15 +605,15 @@ TEST_F(MemfileLeaseMgrTest, leaseFileFinish) {
     std::string new_file_contents =
         "address,duid,valid_lifetime,expire,subnet_id,"
         "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-        "fqdn_rev,hostname,hwaddr\n";
+        "fqdn_rev,hostname,hwaddr,state\n";
 
     // This string contains the contents of the current lease file.
     // It should not be moved.
     std::string current_file_contents = new_file_contents +
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,200,"
-        "8,100,0,7,0,1,1,,\n"
+        "8,100,0,7,0,1,1,,,1\n"
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO current_file(getLeaseFilePath("leasefile6_0.csv"));
     current_file.writeFile(current_file_contents);
 
@@ -621,7 +621,7 @@ TEST_F(MemfileLeaseMgrTest, leaseFileFinish) {
     // be moved to the previous file.
     std::string finish_file_contents = new_file_contents +
         "2001:db8:1::2,01:01:01:01:01:01:01:01:01:01:01:01:01,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO finish_file(getLeaseFilePath("leasefile6_0.csv.completed"));
     finish_file.writeFile(finish_file_contents);
 
@@ -668,15 +668,15 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCopy) {
     std::string new_file_contents =
         "address,duid,valid_lifetime,expire,subnet_id,"
         "pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,"
-        "fqdn_rev,hostname,hwaddr\n";
+        "fqdn_rev,hostname,hwaddr,state\n";
 
     // This string contains the contents of the current lease file.
     // It should not be moved.
     std::string current_file_contents = new_file_contents +
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,200,"
-        "8,100,0,7,0,1,1,,\n"
+        "8,100,0,7,0,1,1,,,1\n"
         "2001:db8:1::1,00:01:02:03:04:05:06:0a:0b:0c:0d:0e:0f,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO current_file(getLeaseFilePath("leasefile6_0.csv"));
     current_file.writeFile(current_file_contents);
 
@@ -686,7 +686,7 @@ TEST_F(MemfileLeaseMgrTest, leaseFileCopy) {
     // the same.
     std::string input_file_contents = new_file_contents +
         "2001:db8:1::2,01:01:01:01:01:01:01:01:01:01:01:01:01,200,800,"
-        "8,100,0,7,0,1,1,,\n";
+        "8,100,0,7,0,1,1,,,1\n";
     LeaseFileIO input_file(getLeaseFilePath("leasefile6_0.csv.1"));
     input_file.writeFile(input_file_contents);
 
@@ -1011,43 +1011,6 @@ TEST_F(MemfileLeaseMgrTest, testLease6Mac) {
     testLease6MAC();
 }
 
-/// @brief Tests whether memfile is able to work with old CSV file (without mac)
-///
-/// Ticket #3555 introduced MAC address support in Lease6. Instead of developing
-/// an upgrade script, the code is written in a way that allows reading old CSV
-/// (i.e. format that was used in Kea 0.9), hence no upgrade is necessary.
-TEST_F(MemfileLeaseMgrTest, testUpgrade0_9_0_to_0_9_1) {
-
-    // Let's write a CSV file without hwaddr column. Sorry about the long
-    // lines, but nobody was around to whine about 80 columns limit when CSV
-    // format was invented :).
-    string csv_nohwaddr =
-        "address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname\n"
-        "2001:db8::1,42:42:42:42:42:42:42:42,3677,127133,73,3600,1,42,0,0,1,myhost.example.com.\n"
-        "2001:db8::2,3a:3a:3a:3a:3a:3a:3a:3a,5412,239979,73,1800,2,89,7,0,0,myhost.example.com.\n"
-        "2001:db8::3,1f:20:21:22:23:24:25:26,7000,241567,37,7200,0,4294967294,28,1,0,myhost.example.com.\n";
-
-    ofstream csv(getLeaseFilePath("leasefile6_0.csv").c_str(), ios::out | ios::trunc);
-    ASSERT_TRUE(csv.is_open());
-    csv << csv_nohwaddr;
-    csv.close();
-
-    startBackend(V6);
-
-    // None of the leases should have any hardware addresses assigned.
-    Lease6Ptr stored1 = lmptr_->getLease6(leasetype6_[1], ioaddress6_[1]);
-    ASSERT_TRUE(stored1);
-    EXPECT_FALSE(stored1->hwaddr_);
-
-    Lease6Ptr stored2 = lmptr_->getLease6(leasetype6_[2], ioaddress6_[2]);
-    ASSERT_TRUE(stored2);
-    EXPECT_FALSE(stored2->hwaddr_);
-
-    Lease6Ptr stored3 = lmptr_->getLease6(leasetype6_[3], ioaddress6_[3]);
-    ASSERT_TRUE(stored3);
-    EXPECT_FALSE(stored3->hwaddr_);
-}
-
 // Check that memfile reports version correctly.
 TEST_F(MemfileLeaseMgrTest, versionCheck) {
 
@@ -1069,22 +1032,22 @@ TEST_F(MemfileLeaseMgrTest, versionCheck) {
 TEST_F(MemfileLeaseMgrTest, load4MultipleLeaseFiles) {
     LeaseFileIO io2(getLeaseFilePath("leasefile4_0.csv.2"));
     io2.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
-                  "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,\n"
-                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,200,8,1,1,,\n");
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
+                  "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,1\n"
+                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,200,8,1,1,,1\n");
 
     LeaseFileIO io1(getLeaseFilePath("leasefile4_0.csv.1"));
     io1.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
-                  "192.0.2.1,01:01:01:01:01:01,,200,200,8,1,1,,\n"
-                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,400,8,1,1,,\n"
-                  "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,200,8,1,1,,\n");
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
+                  "192.0.2.1,01:01:01:01:01:01,,200,200,8,1,1,,1\n"
+                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,400,8,1,1,,1\n"
+                  "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,200,8,1,1,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile4_0.csv"));
     io.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                 "fqdn_fwd,fqdn_rev,hostname\n"
-                 "192.0.2.10,0a:0a:0a:0a:0a:0a,,200,200,8,1,1,,\n"
-                 "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,400,8,1,1,,\n");
+                 "fqdn_fwd,fqdn_rev,hostname,state\n"
+                 "192.0.2.10,0a:0a:0a:0a:0a:0a,,200,200,8,1,1,,1\n"
+                 "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,400,8,1,1,,1\n");
 
     startBackend(V4);
 
@@ -1127,27 +1090,27 @@ TEST_F(MemfileLeaseMgrTest, load4MultipleLeaseFiles) {
 TEST_F(MemfileLeaseMgrTest, load4CompletedFile) {
     LeaseFileIO io2(getLeaseFilePath("leasefile4_0.csv.2"));
     io2.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
-                  "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,\n"
-                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,200,8,1,1,,\n");
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
+                  "192.0.2.2,02:02:02:02:02:02,,200,200,8,1,1,,1\n"
+                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,200,8,1,1,,1\n");
 
     LeaseFileIO io1(getLeaseFilePath("leasefile4_0.csv.1"));
     io1.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
-                  "192.0.2.1,01:01:01:01:01:01,,200,200,8,1,1,,\n"
-                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,400,8,1,1,,\n"
-                  "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,200,8,1,1,,\n");
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
+                  "192.0.2.1,01:01:01:01:01:01,,200,200,8,1,1,,1\n"
+                  "192.0.2.11,bb:bb:bb:bb:bb:bb,,200,400,8,1,1,,1\n"
+                  "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,200,8,1,1,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile4_0.csv"));
     io.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                 "fqdn_fwd,fqdn_rev,hostname\n"
-                 "192.0.2.10,0a:0a:0a:0a:0a:0a,,200,200,8,1,1,,\n"
-                 "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,400,8,1,1,,\n");
+                 "fqdn_fwd,fqdn_rev,hostname,state\n"
+                 "192.0.2.10,0a:0a:0a:0a:0a:0a,,200,200,8,1,1,,1\n"
+                 "192.0.2.12,cc:cc:cc:cc:cc:cc,,200,400,8,1,1,,1\n");
 
     LeaseFileIO ioc(getLeaseFilePath("leasefile4_0.csv.completed"));
     ioc.writeFile("address,hwaddr,client_id,valid_lifetime,expire,subnet_id,"
-                  "fqdn_fwd,fqdn_rev,hostname\n"
-                  "192.0.2.13,ff:ff:ff:ff:ff:ff,,200,200,8,1,1,,\n");
+                  "fqdn_fwd,fqdn_rev,hostname,state\n"
+                  "192.0.2.13,ff:ff:ff:ff:ff:ff,,200,200,8,1,1,,1\n");
 
     startBackend(V4);
 
@@ -1203,29 +1166,32 @@ TEST_F(MemfileLeaseMgrTest, load4LFCInProgress) {
 TEST_F(MemfileLeaseMgrTest, load6MultipleLeaseFiles) {
     LeaseFileIO io2(getLeaseFilePath("leasefile6_0.csv.2"));
     io2.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::1,01:01:01:01:01:01:01:01:01:01:01:01:01,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io1(getLeaseFilePath("leasefile6_0.csv.1"));
     io1.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::3,03:03:03:03:03:03:03:03:03:03:03:03:03,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "300,800,8,100,0,7,0,1,1,,\n"
+                  "300,800,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile6_0.csv"));
     io.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                 "state\n"
                  "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                 "400,1000,8,100,0,7,0,1,1,,\n"
+                 "400,1000,8,100,0,7,0,1,1,,,1\n"
                  "2001:db8:1::5,05:05:05:05:05:05:05:05:05:05:05:05:05,"
-                 "200,200,8,100,0,7,0,1,1,,\n");
+                 "200,200,8,100,0,7,0,1,1,,,1\n");
 
     startBackend(V6);
 
@@ -1266,21 +1232,23 @@ TEST_F(MemfileLeaseMgrTest, load6MultipleLeaseFiles) {
 TEST_F(MemfileLeaseMgrTest, load6MultipleNoSecondFile) {
     LeaseFileIO io1(getLeaseFilePath("leasefile6_0.csv.1"));
     io1.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::3,03:03:03:03:03:03:03:03:03:03:03:03:03,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "300,800,8,100,0,7,0,1,1,,\n"
+                  "300,800,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile6_0.csv"));
     io.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                 "state\n"
                  "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                 "400,1000,8,100,0,7,0,1,1,,\n"
+                 "400,1000,8,100,0,7,0,1,1,,,1\n"
                  "2001:db8:1::5,05:05:05:05:05:05:05:05:05:05:05:05:05,"
-                 "200,200,8,100,0,7,0,1,1,,\n");
+                 "200,200,8,100,0,7,0,1,1,,,1\n");
 
     startBackend(V6);
 
@@ -1312,19 +1280,21 @@ TEST_F(MemfileLeaseMgrTest, load6MultipleNoSecondFile) {
 TEST_F(MemfileLeaseMgrTest, load6MultipleNoFirstFile) {
     LeaseFileIO io2(getLeaseFilePath("leasefile6_0.csv.2"));
     io2.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::1,01:01:01:01:01:01:01:01:01:01:01:01:01,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile6_0.csv"));
     io.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                 "state\n"
                  "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                 "400,1000,8,100,0,7,0,1,1,,\n"
+                 "400,1000,8,100,0,7,0,1,1,,,1\n"
                  "2001:db8:1::5,05:05:05:05:05:05:05:05:05:05:05:05:05,"
-                 "200,200,8,100,0,7,0,1,1,,\n");
+                 "200,200,8,100,0,7,0,1,1,,,1\n");
 
     startBackend(V6);
 
@@ -1358,35 +1328,39 @@ TEST_F(MemfileLeaseMgrTest, load6MultipleNoFirstFile) {
 TEST_F(MemfileLeaseMgrTest, load6CompletedFile) {
     LeaseFileIO io2(getLeaseFilePath("leasefile6_0.csv.2"));
     io2.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::1,01:01:01:01:01:01:01:01:01:01:01:01:01,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io1(getLeaseFilePath("leasefile6_0.csv.1"));
     io1.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::3,03:03:03:03:03:03:03:03:03:03:03:03:03,"
-                  "200,200,8,100,0,7,0,1,1,,\n"
+                  "200,200,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::2,02:02:02:02:02:02:02:02:02:02:02:02:02,"
-                  "300,800,8,100,0,7,0,1,1,,\n"
+                  "300,800,8,100,0,7,0,1,1,,,1\n"
                   "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                  "200,200,8,100,0,7,0,1,1,,\n");
+                  "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO io(getLeaseFilePath("leasefile6_0.csv"));
     io.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                 "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                 "state\n"
                  "2001:db8:1::4,04:04:04:04:04:04:04:04:04:04:04:04:04,"
-                 "400,1000,8,100,0,7,0,1,1,,\n"
+                 "400,1000,8,100,0,7,0,1,1,,,1\n"
                  "2001:db8:1::5,05:05:05:05:05:05:05:05:05:05:05:05:05,"
-                 "200,200,8,100,0,7,0,1,1,,\n");
+                 "200,200,8,100,0,7,0,1,1,,,1\n");
 
     LeaseFileIO ioc(getLeaseFilePath("leasefile6_0.csv.completed"));
     ioc.writeFile("address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,"
-                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr\n"
+                  "lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,"
+                  "state\n"
                   "2001:db8:1::125,ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff,"
-                  "400,1000,8,100,0,7,0,1,1,,\n");
+                  "400,1000,8,100,0,7,0,1,1,,,1\n");
 
     startBackend(V6);