[1784] removed the "test_mode" kludge in portconfig.

thanks to the introduction of DNSServiceBase we don't need it any more.

src/lib/server_common/portconfig.cc

@@ -31,11 +31,6 @@ namespace isc {
 namespace server_common {
 namespace portconfig {
 
-// This flags disables pushing the sockets to the DNSService. It prevents
-// the clearServers() method to close the file descriptors we made up.
-// It is not presented in any header, but we use it from the tests anyway.
-bool test_mode(false);
-
 AddressList
 parseAddresses(isc::data::ConstElementPtr addresses,
                const std::string& elemName)

src/lib/server_common/tests/portconfig_unittest.cc

@@ -14,6 +14,7 @@
 
 #include <server_common/portconfig.h>
 #include <testutils/socket_request.h>
+#include <testutils/mockups.h>
 
 #include <cc/data.h>
 #include <exceptions/exceptions.h>
@@ -30,6 +31,7 @@ using namespace isc;
 using namespace std;
 using namespace isc::asiolink;
 using namespace isc::asiodns;
+using namespace isc::testutils;
 using boost::lexical_cast;
 
 namespace {
@@ -132,7 +134,6 @@ TEST_F(ParseAddresses, invalid) {
 // Test fixture for installListenAddresses
 struct InstallListenAddresses : public ::testing::Test {
     InstallListenAddresses() :
-        dnss_(ios_, NULL, NULL, NULL),
         // The empty string is expected parameter of requestSocket,
         // not app_name - the request does not fall back to this, it
         // is checked to be the same.
@@ -143,8 +144,7 @@ struct InstallListenAddresses : public ::testing::Test {
         invalid_.push_back(AddressPair("127.0.0.1", 5288));
         invalid_.push_back(AddressPair("192.0.2.2", 1));
     }
-    IOService ios_;
-    DNSService dnss_;
+    MockDNSService dnss_;
     AddressList store_;
     isc::testutils::TestSocketRequestor sock_requestor_;
     // We should be able to bind to these addresses

src/lib/testutils/socket_request.h

@@ -27,13 +27,6 @@
 #include <string>
 
 namespace isc {
-namespace server_common {
-namespace portconfig {
-// Access the private hidden flag
-extern bool test_mode;
-}
-}
-
 namespace testutils {
 
 /// \brief A testcase part for faking the SocketRequestor in tests
@@ -77,8 +70,6 @@ public:
     {
         // Prepare the requestor (us) for the test
         server_common::initTestSocketRequestor(this);
-        // Don't manipulate the real sockets
-        server_common::portconfig::test_mode = true;
     }
 
     /// \brief Destructor
@@ -93,8 +84,6 @@ public:
         server_common::portconfig::installListenAddresses(list, store_, dnss_);
         // Don't leave invalid pointers here
         server_common::initTestSocketRequestor(NULL);
-        // And return the mode
-        server_common::portconfig::test_mode = false;
     }
 
     /// \brief Tokens released by releaseSocket