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@@ -12,7 +12,18 @@
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// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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+#include <asiolink/interval_timer.h>
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#include <d2/nc_trans.h>
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+#include <dns/opcode.h>
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+#include <dns/messagerenderer.h>
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+#include <log/logger_support.h>
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+#include <log/macros.h>
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+#include <util/buffer.h>
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+
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+#include <asio/ip/udp.hpp>
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+#include <asio/socket_base.hpp>
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+#include <asio.hpp>
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+#include <asio/error_code.hpp>
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#include <boost/function.hpp>
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#include <boost/bind.hpp>
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@@ -24,6 +35,8 @@ using namespace isc::d2;
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namespace {
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+const size_t MAX_MSG_SIZE = 1024;
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+
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/// @brief Test derivation of NameChangeTransaction for exercising state
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/// model mechanics.
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///
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@@ -40,6 +53,8 @@ public:
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// NameChangeStub events
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static const int SEND_UPDATE_EVT = NCT_DERIVED_EVENT_MIN + 2;
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+ bool use_stub_callback_;
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+
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/// @brief Constructor
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///
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/// Parameters match those needed by NameChangeTransaction.
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@@ -48,13 +63,47 @@ public:
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DdnsDomainPtr forward_domain,
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DdnsDomainPtr reverse_domain)
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: NameChangeTransaction(io_service, ncr, forward_domain,
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- reverse_domain) {
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+ reverse_domain),
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+ use_stub_callback_(false) {
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}
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/// @brief Destructor
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virtual ~NameChangeStub() {
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}
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+ /// @brief DNSClient callback
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+ /// Overrides the callback in NameChangeTranscation to allow testing
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+ /// sendUpdate without incorporating exectution of the state model
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+ /// into the test.
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+ /// It sets the DNS status update and posts IO_COMPLETED_EVT as does
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+ /// the normal callback, but rather than invoking runModel it stops
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+ /// the IO service. This allows tests to be constructed that consisted
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+ /// of generating a DNS request and invoking sendUpdate to post it and
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+ /// wait for response.
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+ virtual void operator()(DNSClient::Status status) {
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+ if (use_stub_callback_) {
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+ setDnsUpdateStatus(status);
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+ postNextEvent(IO_COMPLETED_EVT);
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+ getIOService()->stop();
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+ } else {
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+ // For tests which need to use the real callback.
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+ NameChangeTransaction::operator()(status);
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+ }
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+ }
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+
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+ /// @brief Some tests require a server to be selected. This method
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+ /// selects the first server in the forward domain without involving
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+ /// state model execution to do so.
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+ bool selectFwdServer() {
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+ if (getForwardDomain()) {
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+ initServerSelection(getForwardDomain());
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+ selectNextServer();
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+ return (getCurrentServer());
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+ }
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+
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+ return (false);
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+ }
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+
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/// @brief Empty handler used to statisfy map verification.
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void dummyHandler() {
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isc_throw(NameChangeTransactionError,
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@@ -182,12 +231,15 @@ public:
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// Invoke the base call implementation first.
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NameChangeTransaction::verifyStates();
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- // Define our states.
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+ // Check our states.
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getState(DOING_UPDATE_ST);
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}
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// Expose the protected methods to be tested.
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using StateModel::runModel;
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+ using StateModel::postNextEvent;
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+ using StateModel::setState;
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+ using StateModel::initDictionaries;
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using NameChangeTransaction::initServerSelection;
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using NameChangeTransaction::selectNextServer;
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using NameChangeTransaction::getCurrentServer;
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@@ -203,6 +255,151 @@ public:
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using NameChangeTransaction::getReverseChangeCompleted;
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using NameChangeTransaction::setForwardChangeCompleted;
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using NameChangeTransaction::setReverseChangeCompleted;
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+ using NameChangeTransaction::setUpdateAttempts;
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+ using NameChangeTransaction::transition;
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+ using NameChangeTransaction::retryTransition;
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+ using NameChangeTransaction::sendUpdate;
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+};
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+
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+typedef boost::shared_ptr<asio::ip::udp::socket> SocketPtr;
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+
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+/// @brief This class simulates a DNS server. It is capable of performing
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+/// an asynchronous read, governed by an IOService, and responding to received
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+/// requests in a given manner.
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+class FauxServer {
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+public:
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+ enum ResponseMode {
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+ USE_RCODE, // Generate a response with a given RCODE
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+ CORRUPT_RESP // Generate a corrupt response
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+ };
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+
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+ asiolink::IOService& io_service_;
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+ asiolink::IOAddress& address_;
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+ size_t port_;
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+ SocketPtr server_socket_;
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+ asio::ip::udp::endpoint remote_;
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+ uint8_t receive_buffer_[MAX_MSG_SIZE];
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+
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+ /// @brief Constructor
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+ ///
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+ /// @param io_service IOService to be used for socket IO.
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+ /// @param address IP address at which the server should listen.
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+ /// @param port Port number at which the server should listen.
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+ FauxServer(asiolink::IOService& io_service, asiolink::IOAddress& address,
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+ size_t port)
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+ : io_service_(io_service), address_(address), port_(port),
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+ server_socket_() {
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+ server_socket_.reset(new asio::ip::udp::
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+ socket(io_service_.get_io_service(),
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+ asio::ip::udp::v4()));
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+ server_socket_->set_option(asio::socket_base::reuse_address(true));
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+ server_socket_->bind(asio::ip::udp::
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+ endpoint(address_.getAddress(), port_));
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+ }
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+
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+ /// @brief Destructor
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+ virtual ~FauxServer() {
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+ }
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+
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+ /// @brief Initiates an asyncrhonrous receive
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+ ///
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+ /// Starts the server listening for requests. Upon completion of the
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+ /// the listen, the callback method, requestHandler, is invoked.
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+ ///
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+ /// @param response_mode Selects how the server responds to a request
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+ /// @param response_rcode The Rcode value set in the response. Not used
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+ /// for all modes.
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+ void receive (const ResponseMode& response_mode,
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+ const dns::Rcode& response_rcode=dns::Rcode::NOERROR()) {
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+
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+ server_socket_->async_receive_from(asio::buffer(receive_buffer_,
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+ sizeof(receive_buffer_)),
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+ remote_,
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+ boost::bind(&FauxServer::requestHandler,
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+ this, _1, _2,
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+ response_mode,
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+ response_rcode));
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+ }
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+
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+ /// @brief Socket IO Completion callback
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+ ///
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+ /// This method servers as the Server's UDP socket receive callback handler.
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+ /// When the receive completes the handler is invoked with the
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+ /// @param error result code of the recieve (determined by asio layer)
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+ /// @param bytes_recvd number of bytes received, if any
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+ /// @param response_mode type of response the handler should produce
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+ /// @param response_rcode value of Rcode in the response constructed by
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+ /// handler
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+ void requestHandler(const asio::error_code& error,
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+ std::size_t bytes_recvd,
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+ const ResponseMode& response_mode,
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+ const dns::Rcode& response_rcode) {
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+
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+ // If we encountered an error or received no data then fail.
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+ // We expect the client to send good requests.
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+ if (error.value() != 0 || bytes_recvd < 1) {
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+ ADD_FAILURE() << "FauxServer receive failed" << error.message();
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+ return;
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+ }
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+
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+ // We have a successfully received data. We need to turn it into
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+ // a request in order to build a proper response.
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+ // Note D2UpdateMessage is geared towards making requests and
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+ // reading responses. This is the opposite perspective so we have
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+ // to a bit of roll-your-own here.
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+ dns::Message request(dns::Message::PARSE);
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+ util::InputBuffer request_buf(receive_buffer_, bytes_recvd);
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+ try {
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+ request.fromWire(request_buf);
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+ } catch (const std::exception& ex) {
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+ // If the request cannot be parsed, then fail the test.
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+ // We expect the client to send good requests.
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+ ADD_FAILURE() << "FauxServer request is corrupt:" << ex.what();
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+ return;
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+ }
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+
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+ // The request parsed ok, so let's build a response.
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+ // We must use the QID we received in the response or IOFetch will
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+ // toss the response out, resulting in eventual timeout.
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+ // We fill in the zone with data we know is from the "server".
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+ dns::Message response(dns::Message::RENDER);
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+ response.setQid(request.getQid());
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+ dns::Question question(dns::Name("response.example.com"),
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+ dns::RRClass::ANY(), dns::RRType::SOA());
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+ response.addQuestion(question);
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+ response.setOpcode(dns::Opcode(dns::Opcode::UPDATE_CODE));
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+ response.setHeaderFlag(dns::Message::HEADERFLAG_QR, true);
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+
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+ // Set the response Rcode to value passed in, default is NOERROR.
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+ response.setRcode(response_rcode);
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+
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+ // Render the response to a buffer.
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+ dns::MessageRenderer renderer;
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+ util::OutputBuffer response_buf(MAX_MSG_SIZE);
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+ renderer.setBuffer(&response_buf);
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+ response.toWire(renderer);
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+
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+ // If mode is to ship garbage, then stomp on part of the rendered
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+ // message.
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+ if (response_mode == CORRUPT_RESP) {
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+ response_buf.writeUint16At(0xFFFF, 2);
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+ }
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+
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+ // Ship the reponse via synchronous send.
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+ try {
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+ int cnt = server_socket_->send_to(asio::
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+ buffer(response_buf.getData(),
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+ response_buf.getLength()),
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+ remote_);
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+ // Make sure we sent what we expect to send.
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+ if (cnt != response_buf.getLength()) {
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+ ADD_FAILURE() << "FauxServer sent: " << cnt << " expected: "
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+ << response_buf.getLength();
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+ }
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+ } catch (const std::exception& ex) {
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+ ADD_FAILURE() << "FauxServer send failed: " << ex.what();
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+ }
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+ }
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};
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/// @brief Defines a pointer to a NameChangeStubPtr instance.
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@@ -217,16 +414,45 @@ public:
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IOServicePtr io_service_;
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DdnsDomainPtr forward_domain_;
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DdnsDomainPtr reverse_domain_;
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-
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- NameChangeTransactionTest() : io_service_(new isc::asiolink::IOService()) {
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- }
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+ asiolink::IntervalTimer timer_;
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+ int run_time_;
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+
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+ NameChangeTransactionTest()
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+ : io_service_(new isc::asiolink::IOService()), timer_(*io_service_),
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+ run_time_(0) {
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+ }
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virtual ~NameChangeTransactionTest() {
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}
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- /// @brief Instantiates a NameChangeStub built around a canned
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- /// NameChangeRequest.
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+ /// @brief Run the IO service for no more than a given amount of time.
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+ ///
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+ /// Uses an IntervalTimer to interrupt the invocation of IOService run(),
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+ /// after the given number of milliseconds elapse. The timer executes
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+ /// the timesUp() method if it expires.
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+ ///
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+ /// @param run_time amount of time in milliseconds to allow run to execute.
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+ void runTimedIO(int run_time) {
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+ run_time_ = run_time;
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+ timer_.setup(boost::bind(&NameChangeTransactionTest::timesUp, this),
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+ run_time_);
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+ io_service_->run();
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+ }
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+
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+ /// @brief IO Timer expiration handler
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+ ///
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+ /// Stops the IOSerivce and FAILs the current test.
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+ void timesUp() {
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+ io_service_->stop();
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+ FAIL() << "Test Time: " << run_time_ << " expired";
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+ }
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+
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+ /// @brief Instantiates a NameChangeStub test transaction
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+ /// The transaction is constructed around a predefined (i.e "canned")
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+ /// NameChangeRequest. The request has both forward and reverse DNS
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+ /// changes requested, and both forward and reverse domains are populated.
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NameChangeStubPtr makeCannedTransaction() {
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+ // NCR in JSON form.
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const char* msg_str =
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"{"
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" \"change_type\" : 0 , "
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@@ -239,28 +465,36 @@ public:
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" \"lease_length\" : 1300 "
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"}";
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+ // Create the request from JSON.
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dhcp_ddns::NameChangeRequestPtr ncr;
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-
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DnsServerInfoStoragePtr servers(new DnsServerInfoStorage());
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DnsServerInfoPtr server;
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-
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ncr = dhcp_ddns::NameChangeRequest::fromJSON(msg_str);
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- // make forward server list
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+ // Make forward DdnsDomain with 2 forward servers.
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server.reset(new DnsServerInfo("forward.example.com",
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- isc::asiolink::IOAddress("1.1.1.1")));
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+ isc::asiolink::IOAddress("127.0.0.1"),
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+ 5301));
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+ servers->push_back(server);
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+ server.reset(new DnsServerInfo("forward2.example.com",
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+ isc::asiolink::IOAddress("127.0.0.1"),
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+ 5302));
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+
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servers->push_back(server);
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- forward_domain_.reset(new DdnsDomain("*", "", servers));
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+ forward_domain_.reset(new DdnsDomain("example.com.", "", servers));
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- // make reverse server list
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- servers->clear();
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+ // Make reverse DdnsDomain with one reverse server.
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+ servers.reset(new DnsServerInfoStorage());
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server.reset(new DnsServerInfo("reverse.example.com",
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- isc::asiolink::IOAddress("2.2.2.2")));
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+ isc::asiolink::IOAddress("127.0.0.1"),
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+ 5301));
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servers->push_back(server);
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- reverse_domain_.reset(new DdnsDomain("*", "", servers));
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+ reverse_domain_.reset(new DdnsDomain("2.168.192.in.addr.arpa.",
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+ "", servers));
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+
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+ // Instantiate the transaction as would be done by update manager.
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return (NameChangeStubPtr(new NameChangeStub(io_service_, ncr,
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forward_domain_, reverse_domain_)));
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-
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}
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};
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@@ -386,21 +620,24 @@ TEST_F(NameChangeTransactionTest, accessors) {
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EXPECT_TRUE(name_change->getReverseChangeCompleted());
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}
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+/// @brief Tests DNS update request accessor methods.
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TEST_F(NameChangeTransactionTest, dnsUpdateRequestAccessors) {
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+ // Create a transction.
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NameChangeStubPtr name_change;
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ASSERT_NO_THROW(name_change = makeCannedTransaction());
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- // Verify that the DNS update request accessors.
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- D2UpdateMessagePtr req;
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- ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
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- // Post construction it is empty.
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+ // Post transaction construction, there should not be an update request.
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EXPECT_FALSE(name_change->getDnsUpdateRequest());
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- /// @param request is the new request packet to assign.
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+ // Create a request.
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+ D2UpdateMessagePtr req;
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+ ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
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+
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+ // Use the setter and then verify we can fetch the request.
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ASSERT_NO_THROW(name_change->setDnsUpdateRequest(req));
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// Post set, we should be able to fetch it.
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- EXPECT_TRUE(name_change->getDnsUpdateRequest());
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+ ASSERT_TRUE(name_change->getDnsUpdateRequest());
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// Should be able to clear it.
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ASSERT_NO_THROW(name_change->clearDnsUpdateRequest());
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@@ -409,18 +646,20 @@ TEST_F(NameChangeTransactionTest, dnsUpdateRequestAccessors) {
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EXPECT_FALSE(name_change->getDnsUpdateRequest());
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}
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+/// @brief Tests DNS update request accessor methods.
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TEST_F(NameChangeTransactionTest, dnsUpdateResponseAccessors) {
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+ // Create a transction.
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NameChangeStubPtr name_change;
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ASSERT_NO_THROW(name_change = makeCannedTransaction());
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- // Verify that the DNS update response accessors.
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+ // Post transaction construction, there should not be an update response.
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+ EXPECT_FALSE(name_change->getDnsUpdateResponse());
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+
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+ // Create a response.
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D2UpdateMessagePtr resp;
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ASSERT_NO_THROW(resp.reset(new D2UpdateMessage(D2UpdateMessage::INBOUND)));
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- // Post construction it is empty.
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- EXPECT_FALSE(name_change->getDnsUpdateResponse());
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-
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- /// @param request is the new request packet to assign.
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+ // Use the setter and then verify we can fetch the response.
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ASSERT_NO_THROW(name_change->setDnsUpdateResponse(resp));
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// Post set, we should be able to fetch it.
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@@ -434,7 +673,6 @@ TEST_F(NameChangeTransactionTest, dnsUpdateResponseAccessors) {
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}
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-
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/// @brief Tests event and state dictionary construction and verification.
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TEST_F(NameChangeTransactionTest, dictionaryCheck) {
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NameChangeStubPtr name_change;
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@@ -656,4 +894,228 @@ TEST_F(NameChangeTransactionTest, failedUpdateTest) {
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EXPECT_FALSE(name_change->getForwardChangeCompleted());
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}
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+/// @brief Tests update attempt accessors.
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+TEST_F(NameChangeTransactionTest, updateAttempts) {
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+ NameChangeStubPtr name_change;
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+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
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+
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+ // Post transaction construction, update attempts should be 0.
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+ EXPECT_EQ(0, name_change->getUpdateAttempts());
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+
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+ // Set it to a known value.
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+ name_change->setUpdateAttempts(5);
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+
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+ // Verify that the value is as expected.
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+ EXPECT_EQ(5, name_change->getUpdateAttempts());
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+}
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+
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+/// @brief Tests retryTransition method
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+///
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+/// Verifes that while the maximum number of update attempts has not
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+/// been exceeded, the method will leave the state unchanged but post a
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+/// SERVER_SELECTED_EVT. Once the maximum is exceeded, the method should
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+/// transition to the state given with a next event of SERVER_IO_ERROR_EVT.
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+TEST_F(NameChangeTransactionTest, retryTransition) {
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+ // Create the transaction.
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+ NameChangeStubPtr name_change;
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+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
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+
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+ // Define dictionaries.
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+ ASSERT_NO_THROW(name_change->initDictionaries());
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+
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+ // Transition to a known spot.
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+ ASSERT_NO_THROW(name_change->transition(
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+ NameChangeStub::DOING_UPDATE_ST,
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+ NameChangeStub::SEND_UPDATE_EVT));
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+
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+ // Verify we are at the known spot.
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+ ASSERT_EQ(NameChangeStub::DOING_UPDATE_ST,
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+ name_change->getCurrState());
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+ ASSERT_EQ(NameChangeStub::SEND_UPDATE_EVT,
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+ name_change->getNextEvent());
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+
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+ // Verify that we have not exceeded maximum number of attempts.
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+ EXPECT_TRUE(name_change->getUpdateAttempts() <
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+ NameChangeTransaction::MAX_UPDATE_TRIES_PER_SERVER);
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+
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+ // Call retryTransition.
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+ ASSERT_NO_THROW(name_change->retryTransition(
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+ NameChangeTransaction::PROCESS_TRANS_FAILED_ST));
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+
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+ // Since the number of udpate attempts is less than the maximum allowed
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+ // we should remain in our current state but with next event of
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+ // SERVER_SELECTED_EVT posted.
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+ ASSERT_EQ(NameChangeStub::DOING_UPDATE_ST,
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+ name_change->getCurrState());
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+ ASSERT_EQ(NameChangeTransaction::SERVER_SELECTED_EVT,
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+ name_change->getNextEvent());
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+
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+ // Now set the number of attempts to the maximum.
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+ name_change->setUpdateAttempts(NameChangeTransaction::
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+ MAX_UPDATE_TRIES_PER_SERVER);
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+ // Call retryTransition.
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+ ASSERT_NO_THROW(name_change->retryTransition(
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+ NameChangeTransaction::PROCESS_TRANS_FAILED_ST));
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+
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+ // Since we have exceeded maximum attempts, we should tranisition to
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+ // PROCESS_UPDATE_FAILD_ST with a next event of SERVER_IO_ERROR_EVT.
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+ ASSERT_EQ(NameChangeTransaction::PROCESS_TRANS_FAILED_ST,
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+ name_change->getCurrState());
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+ ASSERT_EQ(NameChangeTransaction::SERVER_IO_ERROR_EVT,
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|
+ name_change->getNextEvent());
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+}
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+
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+/// @brief Tests sendUpdate method when underlying doUpdate throws.
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+///
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+/// DNSClient::doUpdate can throw for a variety of reasons. This tests
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+/// sendUpdate handling of such a throw by passing doUpdate a request
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+/// that will not render.
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+TEST_F(NameChangeTransactionTest, sendUpdateDoUpdateFailure) {
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|
+ NameChangeStubPtr name_change;
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+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
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+ ASSERT_NO_THROW(name_change->initDictionaries());
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+ ASSERT_TRUE(name_change->selectFwdServer());
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+
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+ // Set the transaction's request to an empty DNS update.
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+ D2UpdateMessagePtr req;
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+ ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
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+ ASSERT_NO_THROW(name_change->setDnsUpdateRequest(req));
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+
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+ // Verify that sendUpdate does not throw, but it should fail because
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|
+ // the requset won't render.
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|
+ ASSERT_NO_THROW(name_change->sendUpdate());
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+
|
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|
+ // Verify that we transition to failed state and event.
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|
+ ASSERT_EQ(NameChangeTransaction::PROCESS_TRANS_FAILED_ST,
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|
+ name_change->getCurrState());
|
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|
+ ASSERT_EQ(NameChangeTransaction::UPDATE_FAILED_EVT,
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|
+ name_change->getNextEvent());
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|
+}
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+
|
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+/// @brief Tests sendUpdate method when underlying doUpdate times out.
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|
|
+TEST_F(NameChangeTransactionTest, sendUpdateTimeout) {
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|
|
+ log::initLogger();
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|
|
+ NameChangeStubPtr name_change;
|
|
|
+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
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|
+ ASSERT_NO_THROW(name_change->initDictionaries());
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|
+ ASSERT_TRUE(name_change->selectFwdServer());
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|
+
|
|
|
+ // Create a valid request.
|
|
|
+ D2UpdateMessagePtr req;
|
|
|
+ ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
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|
+ ASSERT_NO_THROW(name_change->setDnsUpdateRequest(req));
|
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|
+ req->setZone(dns::Name("request.example.com"), dns::RRClass::ANY());
|
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|
+ req->setRcode(dns::Rcode(dns::Rcode::NOERROR_CODE));
|
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|
+
|
|
|
+ // Set the flag to use the NameChangeStub's DNSClient callback.
|
|
|
+ name_change->use_stub_callback_ = true;
|
|
|
+
|
|
|
+ // Invoke sendUdpate.
|
|
|
+ ASSERT_NO_THROW(name_change->sendUpdate());
|
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|
+
|
|
|
+ // Update attempt count should be 1, next event should be NOP_EVT.
|
|
|
+ EXPECT_EQ(1, name_change->getUpdateAttempts());
|
|
|
+ ASSERT_EQ(NameChangeTransaction::NOP_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+
|
|
|
+ // Run IO a bit longer than maximum allowed to permit timeout logic to
|
|
|
+ // execute.
|
|
|
+ runTimedIO(NameChangeTransaction::DNS_UPDATE_DEFAULT_TIMEOUT + 100);
|
|
|
+
|
|
|
+ // Verify that next event is IO_COMPLETED_EVT and DNS status is TIMEOUT.
|
|
|
+ ASSERT_EQ(NameChangeTransaction::IO_COMPLETED_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+ ASSERT_EQ(DNSClient::TIMEOUT, name_change->getDnsUpdateStatus());
|
|
|
+}
|
|
|
+
|
|
|
+/// @brief Tests sendUpdate method when it receives a corrupt respons from
|
|
|
+/// the server.
|
|
|
+TEST_F(NameChangeTransactionTest, sendUpdateCorruptResponse) {
|
|
|
+ log::initLogger();
|
|
|
+ NameChangeStubPtr name_change;
|
|
|
+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
|
|
|
+ ASSERT_NO_THROW(name_change->initDictionaries());
|
|
|
+ ASSERT_TRUE(name_change->selectFwdServer());
|
|
|
+
|
|
|
+ // Create a server and start it listening.
|
|
|
+ asiolink::IOAddress address("127.0.0.1");
|
|
|
+ FauxServer server(*io_service_, address, 5301);
|
|
|
+ server.receive(FauxServer::CORRUPT_RESP);
|
|
|
+
|
|
|
+ // Create a valid request for the transaction.
|
|
|
+ D2UpdateMessagePtr req;
|
|
|
+ ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
|
|
|
+ ASSERT_NO_THROW(name_change->setDnsUpdateRequest(req));
|
|
|
+ req->setZone(dns::Name("request.example.com"), dns::RRClass::ANY());
|
|
|
+ req->setRcode(dns::Rcode(dns::Rcode::NOERROR_CODE));
|
|
|
+
|
|
|
+ // Set the flag to use the NameChangeStub's DNSClient callback.
|
|
|
+ name_change->use_stub_callback_ = true;
|
|
|
+
|
|
|
+ // Invoke sendUdpate.
|
|
|
+ ASSERT_NO_THROW(name_change->sendUpdate());
|
|
|
+
|
|
|
+ // Update attempt count should be 1, next event should be NOP_EVT.
|
|
|
+ EXPECT_EQ(1, name_change->getUpdateAttempts());
|
|
|
+ ASSERT_EQ(NameChangeTransaction::NOP_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+
|
|
|
+ // Run the IO for 500 ms. This should be more than enough time.
|
|
|
+ runTimedIO(500);
|
|
|
+
|
|
|
+ // Verify that next event is IO_COMPLETED_EVT and DNS status is INVALID.
|
|
|
+ ASSERT_EQ(NameChangeTransaction::IO_COMPLETED_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+ ASSERT_EQ(DNSClient::INVALID_RESPONSE, name_change->getDnsUpdateStatus());
|
|
|
+}
|
|
|
+
|
|
|
+/// @brief Tests sendUpdate method when the exchange succeeds.
|
|
|
+TEST_F(NameChangeTransactionTest, sendUpdate) {
|
|
|
+ log::initLogger();
|
|
|
+ NameChangeStubPtr name_change;
|
|
|
+ ASSERT_NO_THROW(name_change = makeCannedTransaction());
|
|
|
+ ASSERT_NO_THROW(name_change->initDictionaries());
|
|
|
+ ASSERT_TRUE(name_change->selectFwdServer());
|
|
|
+
|
|
|
+ // Create a server and start it listening.
|
|
|
+ asiolink::IOAddress address("127.0.0.1");
|
|
|
+ FauxServer server(*io_service_, address, 5301);
|
|
|
+ server.receive (FauxServer::USE_RCODE, dns::Rcode::NOERROR());
|
|
|
+
|
|
|
+ // Create a valid request for the transaction.
|
|
|
+ D2UpdateMessagePtr req;
|
|
|
+ ASSERT_NO_THROW(req.reset(new D2UpdateMessage(D2UpdateMessage::OUTBOUND)));
|
|
|
+ ASSERT_NO_THROW(name_change->setDnsUpdateRequest(req));
|
|
|
+ req->setZone(dns::Name("request.example.com"), dns::RRClass::ANY());
|
|
|
+ req->setRcode(dns::Rcode(dns::Rcode::NOERROR_CODE));
|
|
|
+
|
|
|
+ // Set the flag to use the NameChangeStub's DNSClient callback.
|
|
|
+ name_change->use_stub_callback_ = true;
|
|
|
+
|
|
|
+ // Invoke sendUdpate.
|
|
|
+ ASSERT_NO_THROW(name_change->sendUpdate());
|
|
|
+
|
|
|
+ // Update attempt count should be 1, next event should be NOP_EVT.
|
|
|
+ EXPECT_EQ(1, name_change->getUpdateAttempts());
|
|
|
+ ASSERT_EQ(NameChangeTransaction::NOP_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+
|
|
|
+ // Run the IO for 500 ms. This should be more than enough time.
|
|
|
+ runTimedIO(500);
|
|
|
+
|
|
|
+ // Verify that next event is IO_COMPLETED_EVT and DNS status is SUCCESS.
|
|
|
+ ASSERT_EQ(NameChangeTransaction::IO_COMPLETED_EVT,
|
|
|
+ name_change->getNextEvent());
|
|
|
+ ASSERT_EQ(DNSClient::SUCCESS, name_change->getDnsUpdateStatus());
|
|
|
+
|
|
|
+ // Verify that we have a response and it's Rcode is NOERROR,
|
|
|
+ // and the zone is as expected.
|
|
|
+ D2UpdateMessagePtr response = name_change->getDnsUpdateResponse();
|
|
|
+ ASSERT_TRUE(response);
|
|
|
+ ASSERT_EQ(dns::Rcode::NOERROR().getCode(), response->getRcode().getCode());
|
|
|
+ D2ZonePtr zone = response->getZone();
|
|
|
+ EXPECT_TRUE(zone);
|
|
|
+ EXPECT_EQ("response.example.com.", zone->getName().toText());
|
|
|
+}
|
|
|
+
|
|
|
}
|
Thomas Markwalder