83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
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#include <gtest/gtest.h>
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#include <vanetza/common/manual_runtime.hpp>
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#include <vanetza/geonet/mib.hpp>
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#include <vanetza/geonet/router.hpp>
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#include <boost/optional.hpp>
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#include <vanetza/geonet/tests/fake_interfaces.hpp>
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using namespace vanetza;
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using namespace vanetza::geonet;
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TEST(Router, shb_round_trip)
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{
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// mock interfaces
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FakeRequestInterface req_ifc;
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FakeTransportInterface ind_ifc;
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// init router
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ManagementInformationBase mib;
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ManualRuntime runtime;
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Router router(runtime, mib);
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Address gn_addr;
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gn_addr.mid(MacAddress { 0, 0, 0, 0, 0, 1});
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router.set_address(gn_addr);
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router.set_access_interface(&req_ifc);
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router.set_transport_handler(UpperProtocol::IPv6, &ind_ifc);
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// initialize shb request
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ShbDataRequest shb_request(mib);
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shb_request.upper_protocol = UpperProtocol::IPv6;
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// create down packet
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const ByteBuffer send_payload { 89, 27, 1, 4, 18, 85 };
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std::unique_ptr<DownPacket> packet_down { new DownPacket() };
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packet_down->layer(OsiLayer::Transport) = ByteBuffer(send_payload);
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// get count of current requests in buffer
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const auto requests_before = req_ifc.m_requests;
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// add request with our test down packet
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auto confirm = router.request(shb_request, std::move(packet_down));
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// check expected behavior
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ASSERT_TRUE(confirm.accepted());
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EXPECT_EQ(requests_before + 1, req_ifc.m_requests);
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// extract payload from last received request/packet
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ASSERT_TRUE(req_ifc.m_last_packet.get() != nullptr);
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ByteBuffer net_payload;
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for (const auto layer : osi_layer_range<OsiLayer::Network, OsiLayer::Application>()) {
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ByteBuffer tmp;
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req_ifc.m_last_packet->layer(layer).convert(tmp);
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std::copy(tmp.begin(), tmp.end(), std::back_inserter(net_payload));
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}
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ASSERT_EQ(req_ifc.m_last_packet->size(OsiLayer::Network, OsiLayer::Application), net_payload.size());
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// create up packet
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std::unique_ptr<UpPacket> packet_up { new UpPacket(CohesivePacket(net_payload, OsiLayer::Network)) };
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ASSERT_EQ(
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size(*req_ifc.m_last_packet, min_osi_layer(), max_osi_layer()),
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size(*packet_up, OsiLayer::Network)
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);
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// get count of current indications
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const auto indications_before = ind_ifc.m_indications;
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// indicate up packet
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router.indicate(std::move(packet_up), {1, 2, 3, 4, 5, 6}, cBroadcastMacAddress);
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EXPECT_EQ(indications_before + 1, ind_ifc.m_indications);
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// get indicated packet
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ASSERT_NE(nullptr, ind_ifc.m_last_packet.get());
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CohesivePacket* received_payload_ptr = boost::get<CohesivePacket>(ind_ifc.m_last_packet.get());
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// check expected behavior
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ASSERT_NE(nullptr, received_payload_ptr);
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auto received_payload_range = (*received_payload_ptr)[OsiLayer::Transport];
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const ByteBuffer received_payload = ByteBuffer {
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received_payload_range.begin(), received_payload_range.end()
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};
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EXPECT_EQ(send_payload, received_payload);
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}
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