Refs 23573 Adding tests for original writer parameter

Signed-off-by: Emilio Cuesta <emiliocuesta@eprosima.com>

Author: emiliocuestaf

ddsrouter_core/test/blackbox/ddsrouter_core/dds/local/DDSTestLocal.cpp

@@ -206,6 +206,65 @@ void test_local_communication(
     router.stop();
 }
 
+template <class MsgStruct, class MsgStructType>
+void test_original_writer_forwarding(
+        DdsRouterConfiguration ddsrouter_configuration)
+{
+    INSTANTIATE_LOG_TESTER(eprosima::utils::Log::Kind::Error, 0, 0);
+
+    uint32_t samples_sent = 0;
+    std::atomic<uint32_t> samples_received(0);
+    std::atomic<uint32_t> samples_to_receive(1);
+
+    MsgStruct sent_msg;
+    MsgStruct recv_msg;
+    MsgStructType type;
+    std::string msg_str;
+    msg_str += "Testing DdsRouter Blackbox Local Communication ...";
+    sent_msg.message(msg_str);
+    // Create DDS Publisher in domain 0
+    TestPublisher<MsgStruct> publisher(type.is_compute_key_provided);
+
+    ASSERT_TRUE(publisher.init(0));
+
+    // Create DDS Subscriber in domain 1
+    TestSubscriber<MsgStruct> subscriber(type.is_compute_key_provided);
+    ASSERT_TRUE(subscriber.init(1, &recv_msg, &samples_received));
+
+    // Create DdsRouter entity
+    DdsRouter router(ddsrouter_configuration);
+    router.start();
+
+    // CASE 1: Send message without original_writer_param, should be set to writers guid
+    sent_msg.index(samples_sent);
+    ASSERT_EQ(publisher.publish(sent_msg), eprosima::fastdds::dds::RETCODE_OK);
+    // Watiting for the message to be received
+    while(samples_received.load() < 1){};
+    ASSERT_EQ(subscriber.original_writer_guid(), publisher.original_writer_guid());
+
+    // CASE 2: Send message with original_writer_param set to unknown, should be set to other value
+    sent_msg.index(samples_sent);
+    eprosima::fastdds::rtps::WriteParams params;
+    params.original_writer_guid(eprosima::fastdds::rtps::GUID_t::unknown());
+    ASSERT_EQ(publisher.publish_with_params(sent_msg, params), eprosima::fastdds::dds::RETCODE_OK);
+    // Watiting for the message to be received
+    while(samples_received.load() < 2){};
+    ASSERT_EQ(subscriber.original_writer_guid(), publisher.original_writer_guid());
+
+    // CASE 3: Send message with original_writer_param set to some value, value must be kept
+    sent_msg.index(samples_sent);
+    eprosima::fastdds::rtps::WriteParams params_with_og_writer;
+    eprosima::fastdds::rtps::GUID_t guid({}, 0x12345678);
+    params_with_og_writer.original_writer_guid(guid);
+    ASSERT_EQ(publisher.publish_with_params(sent_msg, params_with_og_writer), eprosima::fastdds::dds::RETCODE_OK);
+    // Watiting for the message to be received
+    while(samples_received.load() < 2){};
+    ASSERT_EQ(subscriber.original_writer_guid(), guid);
+
+    router.stop();
+}
+
+
 } /* namespace test */
 
 /**
@@ -322,6 +381,19 @@ TEST(DDSTestLocal, end_to_end_local_communication_transient_local_disable_dynami
         true);
 }
 
+
+/**
+ * Test original writer forwarding in HelloWorld topic between two DDS participants created in different domains,
+ * by using a router with two Simple Participants at each domain.
+ */
+TEST(DDSTestLocal, end_to_end_local_communication_original_writer_forwarding)
+{
+    test::test_original_writer_forwarding<HelloWorld, HelloWorldPubSubType>(
+        test::dds_test_simple_configuration());
+}
+
+
+
 int main(
         int argc,
         char** argv)

ddsrouter_core/test/blackbox/ddsrouter_core/dds/types/test_participants.hpp

@@ -152,6 +152,17 @@ class TestPublisher
         return writer_->write(&hello_);
     }
 
+    //! Publish a sample with parameters
+    eprosima::fastdds::dds::ReturnCode_t publish_with_params(
+        MsgStruct msg, eprosima::fastdds::rtps::WriteParams params)
+    {
+        hello_.index(msg.index());
+        hello_.message(msg.message());
+
+
+        return writer_->write(&hello_, params);
+    }
+
     //! Dispose instance
     eprosima::fastdds::dds::ReturnCode_t dispose_key(
             MsgStruct msg);
@@ -162,6 +173,11 @@ class TestPublisher
         listener_.wait_discovery(n_subscribers);
     }
 
+    eprosima::fastdds::rtps::GUID_t original_writer_guid() const
+    {
+        return writer_->guid();
+    }
+
 private:
 
     MsgStruct hello_;
@@ -213,6 +229,7 @@ class TestPublisher
             }
         }
 
+
     private:
 
         //! Number of DataReaders discovered
@@ -357,6 +374,11 @@ class TestSubscriber
         return listener_.n_key_disposed;
     }
 
+    eprosima::fastdds::rtps::GUID_t original_writer_guid() const
+    {
+        return listener_.original_writer_guid;
+    }
+
 private:
 
     eprosima::fastdds::dds::DomainParticipant* participant_;
@@ -424,6 +446,8 @@ class TestSubscriber
                 {
                     n_key_disposed++;
                 }
+
+                original_writer_guid = iHandle2GUID(info.original_publication_handle);
             }
         }
 
@@ -445,6 +469,9 @@ class TestSubscriber
         //! Placeholder where received data is stored
         MsgStruct msg_received;
 
+        //! Placeholder where original writer GUID is stored
+        eprosima::fastdds::rtps::GUID_t original_writer_guid;
+
         std::atomic<std::uint32_t> n_key_disposed;
 
         //! Reference to the sample sent by the publisher