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[20628] Create InitialConnection for TCP initial peers 2.13 & 2.10 & 2.6 (backport #4947) #5002

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[20628] Create InitialConnection for TCP initial peers 2.13 & 2.10 & 2.6 (backport #4947) #5002

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12 changes: 11 additions & 1 deletion src/cpp/rtps/builtin/discovery/participant/PDPSimple.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -382,7 +382,17 @@ bool PDPSimple::create_dcps_participant_endpoints()

WriterAttributes watt = create_builtin_writer_attributes();
watt.endpoint.reliabilityKind = BEST_EFFORT;
watt.endpoint.remoteLocatorList = m_discovery.initialPeersList;
if (!m_discovery.initialPeersList.empty())
{
if (mp_RTPSParticipant->has_tcp_transports())
{
mp_RTPSParticipant->create_tcp_connections(m_discovery.initialPeersList);
}
else
{
watt.endpoint.remoteLocatorList = m_discovery.initialPeersList;
}
}

if (pattr.throughputController.bytesPerPeriod != UINT32_MAX && pattr.throughputController.periodMillisecs != 0)
{
Expand Down
64 changes: 62 additions & 2 deletions test/blackbox/common/BlackboxTestsTransportTCP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -671,7 +671,7 @@ TEST(TransportTCP, Client_reconnection)
delete requester;
}

// Test copy constructor and copy assignment for TCPv4
// Test zero listening port for TCPv4
TEST_P(TransportTCP, TCPv4_autofill_port)
{
PubSubReader<HelloWorldPubSubType> p1(TEST_TOPIC_NAME);
Expand Down Expand Up @@ -701,7 +701,7 @@ TEST_P(TransportTCP, TCPv4_autofill_port)
EXPECT_TRUE(IPLocator::getPhysicalPort(p2_locators.begin()[0]) == port);
}

// Test copy constructor and copy assignment for TCPv6
// Test zero listening port for TCPv6
TEST_P(TransportTCP, TCPv6_autofill_port)
{
PubSubReader<HelloWorldPubSubType> p1(TEST_TOPIC_NAME);
Expand Down Expand Up @@ -1253,6 +1253,66 @@ TEST_P(TransportTCP, large_message_large_data_send_receive)
reader.block_for_all();
}

// Test CreateInitialConnection for TCP
TEST_P(TransportTCP, TCP_initial_peers_connection)
{
PubSubWriter<HelloWorldPubSubType> p1(TEST_TOPIC_NAME);
PubSubReader<HelloWorldPubSubType> p2(TEST_TOPIC_NAME);
PubSubReader<HelloWorldPubSubType> p3(TEST_TOPIC_NAME);

// Add TCP Transport with listening port
auto p1_transport = std::make_shared<eprosima::fastdds::rtps::TCPv4TransportDescriptor>();
p1_transport->add_listener_port(global_port);
auto p2_transport = std::make_shared<eprosima::fastdds::rtps::TCPv4TransportDescriptor>();
p2_transport->add_listener_port(global_port + 1);
auto p3_transport = std::make_shared<eprosima::fastdds::rtps::TCPv4TransportDescriptor>();
p3_transport->add_listener_port(global_port - 1);

// Add initial peer to client
Locator_t initialPeerLocator;
initialPeerLocator.kind = LOCATOR_KIND_TCPv4;
IPLocator::setIPv4(initialPeerLocator, 127, 0, 0, 1);
initialPeerLocator.port = global_port;
LocatorList_t initial_peer_list;
initial_peer_list.push_back(initialPeerLocator);

// Setup participants
p1.disable_builtin_transport()
.add_user_transport_to_pparams(p1_transport);

p2.disable_builtin_transport()
.initial_peers(initial_peer_list)
.add_user_transport_to_pparams(p2_transport);

p3.disable_builtin_transport()
.initial_peers(initial_peer_list)
.add_user_transport_to_pparams(p3_transport);

// Init participants
p1.init();
p2.init();
p3.init();
ASSERT_TRUE(p1.isInitialized());
ASSERT_TRUE(p2.isInitialized());
ASSERT_TRUE(p3.isInitialized());

// Wait for discovery
p1.wait_discovery(2, std::chrono::seconds(0));
p2.wait_discovery(std::chrono::seconds(0), 1);
p3.wait_discovery(std::chrono::seconds(0), 1);

// Send and receive data
auto data = default_helloworld_data_generator();
p2.startReception(data);
p3.startReception(data);

p1.send(data);
EXPECT_TRUE(data.empty());

p2.block_for_all();
p3.block_for_all();
}

#ifdef INSTANTIATE_TEST_SUITE_P
#define GTEST_INSTANTIATE_TEST_MACRO(x, y, z, w) INSTANTIATE_TEST_SUITE_P(x, y, z, w)
#else
Expand Down
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