[3177] Changes after review

 - removed unnecessary filename reference
 - setting Pkt6 fields is now done in a common function
 - methods return shared_ptr instead of raw pointer

src/bin/dhcp6/tests/dhcp6_srv_unittest.cc

@@ -2110,7 +2110,7 @@ TEST_F(Dhcpv6SrvTest, portsDirectTraffic) {
     NakedDhcpv6Srv srv(0);
 
     // Let's create a simple SOLICIT
-    Pkt6Ptr sol = Pkt6Ptr(captureSimpleSolicit());
+    Pkt6Ptr sol = captureSimpleSolicit();
 
     // Simulate that we have received that traffic
     srv.fakeReceive(sol);
@@ -2135,7 +2135,7 @@ TEST_F(Dhcpv6SrvTest, portsRelayedTraffic) {
     NakedDhcpv6Srv srv(0);
 
     // Let's create a simple SOLICIT
-    Pkt6Ptr sol = Pkt6Ptr(captureRelayedSolicit());
+    Pkt6Ptr sol = captureRelayedSolicit();
 
     // Simulate that we have received that traffic
     srv.fakeReceive(sol);
@@ -2162,7 +2162,7 @@ TEST_F(Dhcpv6SrvTest, DISABLED_docsisTraffic) {
     NakedDhcpv6Srv srv(0);
 
     // Let's get a traffic capture from DOCSIS3.0 modem
-    Pkt6Ptr sol = Pkt6Ptr(captureDocsisRelayedSolicit());
+    Pkt6Ptr sol = captureDocsisRelayedSolicit();
 
     // Simulate that we have received that traffic
     srv.fakeReceive(sol);

src/bin/dhcp6/tests/dhcp6_test_utils.h

@@ -396,9 +396,17 @@ public:
     // see wireshark.cc for descriptions
     // The descriptions are too large and too closely related to the
     // code, so it is kept in .cc rather than traditionally in .h
-    Pkt6* captureSimpleSolicit();
-    Pkt6* captureRelayedSolicit();
-    Pkt6* captureDocsisRelayedSolicit();
+    Pkt6Ptr captureSimpleSolicit();
+    Pkt6Ptr captureRelayedSolicit();
+    Pkt6Ptr captureDocsisRelayedSolicit();
+
+
+    /// @brief Auxiliary method that sets Pkt6 fields
+    ///
+    /// Used to reconstruct captured packets. Sets UDP ports, interface names,
+    /// and other fields to some believable values.
+    /// @param pkt packet that will have its fields set
+    void captureSetDefaultFields(const Pkt6Ptr& pkt);
 
     ~Dhcpv6SrvTest() {
         CfgMgr::instance().deleteSubnets6();

src/bin/dhcp6/tests/wireshark.cc

@@ -39,9 +39,18 @@ using namespace std;
 namespace isc {
 namespace test {
 
+void Dhcpv6SrvTest::captureSetDefaultFields(const Pkt6Ptr& pkt) {
+    pkt->setRemotePort(546);
+    pkt->setRemoteAddr(IOAddress("fe80::1"));
+    pkt->setLocalPort(0);
+    pkt->setLocalAddr(IOAddress("ff02::1:2"));
+    pkt->setIndex(2);
+    pkt->setIface("eth0");
+}
+
 // This function returns buffer for very simple Solicit
-Pkt6* isc::test::Dhcpv6SrvTest::captureSimpleSolicit() {
-    Pkt6* pkt;
+Pkt6Ptr Dhcpv6SrvTest::captureSimpleSolicit() {
+    Pkt6Ptr pkt;
     uint8_t data[] = {
         1,  // type 1 = SOLICIT
         0xca, 0xfe, 0x01, // trans-id = 0xcafe01
@@ -55,18 +64,13 @@ Pkt6* isc::test::Dhcpv6SrvTest::captureSimpleSolicit() {
         0, 0, 0, 0  // T2 = 0
     };
 
-    pkt = new Pkt6(data, sizeof(data));
-    pkt->setRemotePort(546);
-    pkt->setRemoteAddr(IOAddress("fe80::1"));
-    pkt->setLocalPort(0);
-    pkt->setLocalAddr(IOAddress("ff02::1:2"));
-    pkt->setIndex(2);
-    pkt->setIface("eth0");
+    pkt.reset(new Pkt6(data, sizeof(data)));
+    captureSetDefaultFields(pkt);
 
     return (pkt);
 }
 
-Pkt6* isc::test::Dhcpv6SrvTest::captureRelayedSolicit() {
+Pkt6Ptr Dhcpv6SrvTest::captureRelayedSolicit() {
 
     // This is a very simple relayed SOLICIT message:
     // RELAY-FORW
@@ -89,19 +93,14 @@ Pkt6* isc::test::Dhcpv6SrvTest::captureRelayedSolicit() {
     // to be OptionBuffer format)
     isc::util::encode::decodeHex(hex_string, bin);
 
-    Pkt6* pkt = new Pkt6(&bin[0], bin.size());
-    pkt->setRemotePort(547);
-    pkt->setRemoteAddr(IOAddress("fe80::1234"));
-    pkt->setLocalPort(547);
-    pkt->setLocalAddr(IOAddress("ff05::1:3"));
-    pkt->setIndex(2);
-    pkt->setIface("eth0");
+    Pkt6Ptr pkt(new Pkt6(&bin[0], bin.size()));
+    captureSetDefaultFields(pkt);
+
     return (pkt);
 }
 
 /// returns a buffer with relayed SOLICIT (from DOCSIS3.0 cable modem)
-/// see dhcp6_relay_forw-virginmedia.pcap
-Pkt6* isc::test::Dhcpv6SrvTest::captureDocsisRelayedSolicit() {
+Pkt6Ptr isc::test::Dhcpv6SrvTest::captureDocsisRelayedSolicit() {
 
     // This is an actual DOCSIS packet
     // RELAY-FORW (12) 
@@ -156,13 +155,8 @@ Pkt6* isc::test::Dhcpv6SrvTest::captureDocsisRelayedSolicit() {
     // to be OptionBuffer format)
     isc::util::encode::decodeHex(hex_string, bin);
 
-    Pkt6* pkt = new Pkt6(&bin[0], bin.size());
-    pkt->setRemotePort(547);
-    pkt->setRemoteAddr(IOAddress("fe80::1234"));
-    pkt->setLocalPort(547);
-    pkt->setLocalAddr(IOAddress("ff05::1:3"));
-    pkt->setIndex(2);
-    pkt->setIface("eth0");
+    Pkt6Ptr pkt(new Pkt6(&bin[0], bin.size()));
+    captureSetDefaultFields(pkt);
     return (pkt);
 }