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Improve service_is_available logic to protect that client is waiting … #238

Merged
merged 2 commits into from
Jan 9, 2019
Merged

Improve service_is_available logic to protect that client is waiting … #238

merged 2 commits into from
Jan 9, 2019

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DongheeYe
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@DongheeYe DongheeYe commented Nov 20, 2018 •
edited by mjcarroll
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…forever

When checking that service is ready, rmw_fastrtps uses CustomClientInfo's WriterInfo, ReaderInfo topic count.
It is increased when received message about Reader/Writer information from the service.
callstack is as below.
eprosima::fastrtps::rtps::StatefulReader::processDataMsg
eprosima::fastrtps::rtps::StatefulReader::change_received
eprosima::fastrtps::rtps::EDPSimplePUBListener::onNewCacheChangeAdded
WriterInfo::onNewCacheChangeAdded

But, although receiving the message from service, rtps is not ready to send a message yet.
If client tries to send request, there is no matched remote reader yet, the request is not properly sent to service. In that case, if client tries to wait until receiving the response, client will be blocked because any service does not send response.
After matching local writer proxy and remote reader, rtps is completely ready to send.

Especially, if SECURITY is ON, there is bigger time gap.
There is more possibility to fail to send request to service in SECURITY ON.

If you repeatedly test examples_rclcpp_minimal_client with examples_rclcpp_minimal_service,
you can reproduce the issue.

So, I add Listener to detect matching. callstack will be as below.
It will check that the service is ready using matched reader/writer count.
eprosima::fastrtps::rtps::security::SecurityManager::discovered_reader
eprosima::fastrtps::rtps::EDP::pairing_remote_reader_with_local_writer_after_security
eprosima::fastrtps::PublisherImpl::PublisherWriterListener::onWriterMatched
ClientPubListener::onPublicationMatched

Connects to #239

@tfoote tfoote added the in review Waiting for review (Kanban column) label Nov 20, 2018
@DongheeYe DongheeYe mentioned this pull request Nov 20, 2018
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@mjcarroll
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Do you think that you can add a test in test_rclcpp that triggers this behavior? https://github.com/ros2/system_tests/tree/master/test_rclcpp

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@mjcarroll mjcarroll added the enhancement New feature or request label Nov 27, 2018
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Can you rebase to include the changes from: #240 (now in master)

@DongheeYe DongheeYe force-pushed the fix_service_is_ready branch from 3a00572 to d4680b7 Compare December 3, 2018 12:58
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I'd rebased the patch based on latest in master.

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@mjcarroll
I think it needs a stress test because it is a timing issue. It might not be occurred by single test. For example.. try to run a client repeatedly more than hundreds times after running a service.

 $ ./install/examples_rclcpp_minimal_service/lib/examples_rclcpp_minimal_service/service_main &
 $ for i in $(seq 1 500) ; do ./install/examples_rclcpp_minimal_client/lib/examples_rclcpp_minimal_client/client_main ; done

@DongheeYe DongheeYe force-pushed the fix_service_is_ready branch 2 times, most recently from 10bd27d to d5c0fd0 Compare December 7, 2018 11:17
@DongheeYe DongheeYe force-pushed the fix_service_is_ready branch from d5c0fd0 to 0a900e5 Compare December 7, 2018 11:19
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With the above snippet, I am able to consistently reproduce the issue with the security flag on and by making my machine busy (building a workspace with colcon). If my CPU is not busy, then I do not see the issue.

With the proposed fix in this PR, the original issue appears to go away, but I occasionally experience the client stuck waiting for the service. This looks different than the original issue since it is repeatedly printing the following message:

[INFO] [minimal_client]: waiting for service to appear...

If I restart the server, it succeeds along with all consecutive calls to the client.
But if I restart the client instead, it almost certainly gets stuck waiting again with the same message after a few more iterations.

Example output when running loop from the provided snippet:

...
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
^C[INFO] [rclcpp]: signal_handler(signal_value=2)
[ERROR] [minimal_client]: client interrupted while waiting for service to appear.
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
... # x9
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
...

It seems there may still be an issue with the implementation.

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DongheeYe commented Jan 4, 2019 •
edited
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With the above snippet, I am able to consistently reproduce the issue with the security flag on and by making my machine busy (building a workspace with colcon). If my CPU is not busy, then I do not see the issue.

With the proposed fix in this PR, the original issue appears to go away, but I occasionally experience the client stuck waiting for the service. This looks different than the original issue since it is repeatedly printing the following message:

[INFO] [minimal_client]: waiting for service to appear...

If I restart the server, it succeeds along with all consecutive calls to the client.
But if I restart the client instead, it almost certainly gets stuck waiting again with the same message after a few more iterations.

Example output when running loop from the provided snippet:

...
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
^C[INFO] [rclcpp]: signal_handler(signal_value=2)
[ERROR] [minimal_client]: client interrupted while waiting for service to appear.
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
[INFO] [minimal_client]: result of 41 + 1 = 42
... # x9
[INFO] [minimal_client]: waiting for service to appear...
[INFO] [minimal_client]: waiting for service to appear...
...

It seems there may still be an issue with the implementation.

DDS RTPS does distributed discovery a participant.
And then ROS2 makes for client/service

  1. Client request publisher and Service request subscriber
  2. Client response subscriber and Service response publisher

rmw_service_server_is_available is a API that the client checks to be able to send request to service.
In point of DDS layer, client can send a request properly after matching between RTPS remote/local reader and RTPS remote/local writer.
In current code, it returns true not before matching between reader&writer. So the ROS2 client tried to send a request to service (at this time, client does not print waiting message anymore) but the client cannot properly send the request to service and client waits forever.
For resolving this issue (#239), I added logic to check that the reader-writer are matched.

It can take some times to find and set properly between the client/service because of distributed system. I think that it is the reason that rmw_service_server_is_available API is needed. Client prints below message until rmw_service_server_is_available is true. I think the message is not issue.

[INFO] [minimal_client]: waiting for service to appear...

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jacobperron commented Jan 4, 2019 •
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Client prints below message until rmw_service_server_is_available is true. I think the message is not issue.

What I experience is that the client never sees the server as available (ie. the example prints the waiting message indefinitely), even though the server is apparently running fine. I think the expected behavior is for rmw_service_server_is_available to ultimately return true in this scenario, although it may take some time.

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jacobperron approved these changes Jan 9, 2019
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It appears the issue I'm having is the number of requested subscribers being reported as zero (even though there is a service server running). I will open a separate issue for that.

This PR resolves the original reported issue 👍

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@jacobperron jacobperron merged commit d8f1959 into ros2:master Jan 9, 2019
@jacobperron jacobperron removed the in review Waiting for review (Kanban column) label Jan 9, 2019
@clalancette clalancette mentioned this pull request Jan 9, 2019
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@jacobperron jacobperron mentioned this pull request Jan 14, 2019
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jacobperron added a commit that referenced this pull request Jan 14, 2019
@jacobperron
Add missing logic to dynamic RMW client implementation
01ed3c6 
Follow up from #238.
@jacobperron jacobperron mentioned this pull request Jan 14, 2019
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jacobperron added a commit that referenced this pull request Jan 15, 2019
@jacobperron
Add missing logic to dynamic RMW client implementation (#254)
88aa8f8 
Follow up from #238.
This was referenced Feb 6, 2019
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Import Debian changes 6.2.1-1jammy
3504c03 
ros-rolling-rmw-fastrtps-cpp (6.2.1-1jammy) jammy; urgency=high
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  * Add pub/sub init, publish and take instrumentation using tracetools (#591 <ros2/rmw_fastrtps#591>)
  * Add content filter topic feature (#513 <ros2/rmw_fastrtps#513>)
  * Add sequence numbers to message info structure (#587 <ros2/rmw_fastrtps#587>)
  * Removed some heap interactions in rmw_serialize.cpp (#590 <ros2/rmw_fastrtps#590>)
  * Contributors: Chen Lihui, Christophe Bedard, Ivan Santiago Paunovic, WideAwakeTN
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  * Add EventsExecutor (#468 <ros2/rmw_fastrtps#468>)
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ros-rolling-rmw-fastrtps-cpp (5.1.0-1jammy) jammy; urgency=high
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  * Loan messages implementation (#523 <ros2/rmw_fastrtps#523>)
    * Added is_plain_ attribute to base TypeSupport.
    * Added new methods to base TypeSupport.
    * Implementation of rmw_borrow_loaned_message.
    * Implementation of rmw_return_loaned_message_from_publisher.
    * Enable loan messages on publishers of plain types.
    * Implementation for taking loaned messages.
    * Enable loan messages on subscriptions of plain types.
  * Contributors: Miguel Company
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ros-rolling-rmw-fastrtps-cpp (5.0.0-1jammy) jammy; urgency=high
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  * Refactor to use DDS standard API (#518 <ros2/rmw_fastrtps#518>)
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  * updating quality declaration links (re: ros2/docs.ros2.org#52 <ros2/docs.ros2.org#52>) (#520 <ros2/rmw_fastrtps#520>)
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  * Capture cdr exceptions (#505 <ros2/rmw_fastrtps#505>)
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  * Set rmw_dds_common::GraphCache callback after init succeeds. (#496 <ros2/rmw_fastrtps#496>)
  * Handle typesupport errors on fetch. (#495 <ros2/rmw_fastrtps#495>)
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    * Workaround when the client is gone before server sends response
    * Change add to the map to listener callback
  * Update the package.xml files with the latest Open Robotics maintainers (#459 <ros2/rmw_fastrtps#459>)
  * Update Quality Declarations and READMEs (#455 <ros2/rmw_fastrtps#455>)
    * Add QD links for dependencies to rmw_fastrtps_cpp QD
    * Provide external dependencies QD links
    * Update rmw_fastrtps README to use Fast DDS
    * Update rmw_fastrtps_cpp QD: Fast DDS & unit test
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ros-rolling-rmw-fastrtps-cpp (3.1.4-1jammy) jammy; urgency=high
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  * Perform fault injection in all creation/destruction APIs. (#453 <ros2/rmw_fastrtps#453>)
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ros-rolling-rmw-fastrtps-cpp (3.1.3-1jammy) jammy; urgency=high
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  * Ensure compliant publisher QoS queries. (#425 <ros2/rmw_fastrtps#425>)
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ros-rolling-rmw-fastrtps-cpp (2.0.0-1jammy) jammy; urgency=high
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  * Remove domain_id and localhost_only from node API (#407 <ros2/rmw_fastrtps#407>)
  * Amend rmw_init() implementation: require enclave. (#406 <ros2/rmw_fastrtps#406>)
  * Update Quality Declarations to QL3. (#404 <ros2/rmw_fastrtps#404>)
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ros-rolling-rmw-fastrtps-cpp (1.1.0-1jammy) jammy; urgency=high
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  * Ensure compliant init/shutdown API implementation. (#401 <ros2/rmw_fastrtps#401>)
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  * Finalize context iff shutdown. (#396 <ros2/rmw_fastrtps#396>)
  * Make service wait for response reader (#390 <ros2/rmw_fastrtps#390>)
  * Contributors: Michel Hidalgo, Miguel Company
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  * Update quality declarations on feature testing. (#380 <ros2/rmw_fastrtps#380>)
  * Contributors: Ivan Santiago Paunovic, Michel Hidalgo
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ros-rolling-rmw-fastrtps-cpp (0.9.1-1jammy) jammy; urgency=high
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ros-rolling-rmw-fastrtps-cpp (0.9.0-1jammy) jammy; urgency=high
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  * Rename rosidl_message_bounds_t. (#373 <ros2/rmw_fastrtps#373>)
  * Feature/services timestamps. (#369 <ros2/rmw_fastrtps#369>)
  * Add support for taking a sequence of messages. (#366 <ros2/rmw_fastrtps#366>)
  * security-context -> enclave. (#365 <ros2/rmw_fastrtps#365>)
  * Rename rosidl_generator_c namespace to rosidl_runtime_c. (#367 <ros2/rmw_fastrtps#367>)
  * Remove custom typesupport for rmw_dds_common interfaces. (#364 <ros2/rmw_fastrtps#364>)
  * Added rosidl_runtime c and cpp depencencies. (#351 <ros2/rmw_fastrtps#351>)
  * Switch to one Participant per Context. (#312 <ros2/rmw_fastrtps#312>)
  * Add rmw_*_event_init() functions. (#354 <ros2/rmw_fastrtps#354>)
  * Fixing type support C/CPP mix on rmw_fastrtps_dynamic_cpp. (#350 <ros2/rmw_fastrtps#350>)
  * Fix build warning in Ubuntu Focal. (#346 <ros2/rmw_fastrtps#346>)
  * Code style only: wrap after open parenthesis if not in one line. (#347 <ros2/rmw_fastrtps#347>)
  * Passing down type support information (#342 <ros2/rmw_fastrtps#342>)
  * Implement functions to get publisher and subcription informations like QoS policies from topic name. (#336 <ros2/rmw_fastrtps#336>)
  * Contributors: Alejandro Hernández Cordero, Dirk Thomas, Ingo Lütkebohle, Ivan Santiago Paunovic, Jaison Titus, Miaofei Mei, Michael Carroll, Miguel Company, Mikael Arguedas
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  * use return_loaned_message_from (#334 <ros2/rmw_fastrtps#334>)
  * Restrict traffic to localhost only if env var is provided (#331 <ros2/rmw_fastrtps#331>)
  * Zero copy api (#322 <ros2/rmw_fastrtps#322>)
  * update signature for added pub/sub options (#329 <ros2/rmw_fastrtps#329>)
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  * Fix error message (#290 <ros2/rmw_fastrtps#290>)
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  * Contributors: Nick Burek
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  * Support arbitrary message namespaces  (#266 <ros2/rmw_fastrtps#266>)
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ros-rolling-rmw-fastrtps-cpp (0.7.0-1jammy) jammy; urgency=high
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  * Add function to get publisher actual qos settings (#267 <ros2/rmw_fastrtps#267>)
  * pass context to wait set and fini context (#252 <ros2/rmw_fastrtps#252>)
  * Improve service_is_available logic to protect that client is waiting forever (#238 <ros2/rmw_fastrtps#238>)
  * Merge pull request #250 <ros2/rmw_fastrtps#250> from ros2/support_static_lib
  * use namespace_prefix from shared package
  * Contributors: Dirk Thomas, DongheeYe, William Woodall, ivanpauno
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  * Add topic cache object for managing topic relations (#236 <ros2/rmw_fastrtps#236>)
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  * refactor to support init options and context (#237 <ros2/rmw_fastrtps#237>)
  * Methods to retrieve matched counts on pub/sub (#234 <ros2/rmw_fastrtps#234>)
  * use uint8_array (#240 <ros2/rmw_fastrtps#240>)
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  * Include node namespaces in get_node_names (#224 <ros2/rmw_fastrtps#224>)
  * add rmw_get_serialization_format (#215 <ros2/rmw_fastrtps#215>)
  * Merge pull request #218 <ros2/rmw_fastrtps#218> from ros2/pr203
  * Revert "fix template closing indentation (#214 <ros2/rmw_fastrtps#214>)"
  * fix template closing indentation (#214 <ros2/rmw_fastrtps#214>)
  * Contributors: Chris Lalancette, Dirk Thomas, Karsten Knese, Michael Carroll, Miguel Company, Mikael Arguedas
.
ros-rolling-rmw-fastrtps-cpp (0.5.1-1jammy) jammy; urgency=high
.
  * update maintainer
  * Contributors: Dirk Thomas
.
ros-rolling-rmw-fastrtps-cpp (0.5.0-1jammy) jammy; urgency=high
.
  * Avoid allocations (#211 <ros2/rmw_fastrtps#211>)
  * Temporary buffer remove (#207 <ros2/rmw_fastrtps#207>)
  * Validate the buffer_ of CustomServiceRequest object before using it to (#210 <ros2/rmw_fastrtps#210>)
  * update usage of rcutils_join_path() (#208 <ros2/rmw_fastrtps#208>)
  * Expose raw CDR stream for publish and subscribe (#186 <ros2/rmw_fastrtps#186>)
  * Remove topic partitions (#192 <ros2/rmw_fastrtps#192>)
  * Fix leak if client reponse is never taken (#201 <ros2/rmw_fastrtps#201>)
  * Revert "Export rmw_fastrtps_cpp target" (#200 <ros2/rmw_fastrtps#200>)
  * Support access control  (#197 <ros2/rmw_fastrtps#197>)
  * Export rmw_fastrtps_cpp target (#198 <ros2/rmw_fastrtps#198>)
  * Fix deserialization segfault in bionic. (#199 <ros2/rmw_fastrtps#199>)
  * Fix namespaces (#196 <ros2/rmw_fastrtps#196>)
  * Merge pull request #182 <ros2/rmw_fastrtps#182> from ros2/node_name_in_user_data
  * add participant listener
  * add node name to user data
  * change export order for static linking (#190 <ros2/rmw_fastrtps#190>)
  * update style (#189 <ros2/rmw_fastrtps#189>)
  * optimize timeout judgement according to different condition (#187 <ros2/rmw_fastrtps#187>)
  * use existing check_wait_set_for_data to avoid duplicated code (#185 <ros2/rmw_fastrtps#185>)
  * Enable logging level manipulation from rmw_fastrtps (#156 <ros2/rmw_fastrtps#156>)
  * Small performance improvements (#183 <ros2/rmw_fastrtps#183>)
  * Segmentation error to dereference nullptr (#180 <ros2/rmw_fastrtps#180>)
  * Contributors: Dirk Thomas, Ethan Gao, Guillaume Autran, Karsten Knese, Michael Carroll, MiguelCompany, Mikael Arguedas, Minggang Wang, Rohit Salem, Shane Loretz, Sriram Raghunathan, William Woodall, jwang11
.
ros-rolling-rmw-fastrtps-cpp (0.4.0-1jammy) jammy; urgency=high
.
  * Merge pull request #178 <ros2/rmw_fastrtps#178> from ros2/fix_wrong_count
  * Merge pull request #177 <ros2/rmw_fastrtps#177> from ros2/rename_group
  * Wait set two words (#175 <ros2/rmw_fastrtps#175>)
  * not exporting pthread manually (#174 <ros2/rmw_fastrtps#174>)
  * Merge pull request #169 <ros2/rmw_fastrtps#169> from ros2/rep149
  * Merge pull request #171 <ros2/rmw_fastrtps#171> from jwang11/master
  * rcutils_join_path returns a char * now. (#173 <ros2/rmw_fastrtps#173>)
  * memory leak issue (#172 <ros2/rmw_fastrtps#172>)
  * Unify and simplify de/serializeROSmessage processing
  * Avoid duplicated code in calculateMaxSerializedSize for array and normal member (#168 <ros2/rmw_fastrtps#168>)
  * Fix the issues to dereference to nullptr (#165 <ros2/rmw_fastrtps#165>)
  * Fix rmw_fastrtps dead code (#163 <ros2/rmw_fastrtps#163>)
  * Merge pull request #167 <ros2/rmw_fastrtps#167> from deng02/tune-count-pub-sub
  * Remove string allocation in the count of subscribers and publishers
  * use auto deduction and nullptr to keep coding style consistent (#162 <ros2/rmw_fastrtps#162>)
  * Merge pull request #164 <ros2/rmw_fastrtps#164> from dejanpan/master
  * Fix several parameter check issues in rmw_fastrtps_cpp apis
  * Remove unnecessary dependency on rosidl_generator_cpp (#161 <ros2/rmw_fastrtps#161>)
  * Move the hasData checks for non-blocking wait 'timeout' higher (#158 <ros2/rmw_fastrtps#158>)
  * Support loading default XML profile file (#153 <ros2/rmw_fastrtps#153>)
  * Drop duplicated rmw_init.cpp in rmw_fastrtps_cpp/CMakeLists.txt (#155 <ros2/rmw_fastrtps#155>)
  * Merge pull request #154 <ros2/rmw_fastrtps#154> from ros2/uncrustify_master
  * Removing magic numbers: old maximun lengths (#152 <ros2/rmw_fastrtps#152>)
timonegk pushed a commit to timonegk/ros-rolling-rmw-fastrtps-shared-cpp-release that referenced this pull request May 21, 2022
@hidmic @timonegk
Import Debian changes 6.2.1-1jammy
41927c9 
ros-rolling-rmw-fastrtps-shared-cpp (6.2.1-1jammy) jammy; urgency=high
.
  * Address linter waning for windows. (#592 <ros2/rmw_fastrtps#592>)
  * Add pub/sub init, publish and take instrumentation using tracetools (#591 <ros2/rmw_fastrtps#591>)
  * Add content filter topic feature (#513 <ros2/rmw_fastrtps#513>)
  * Add sequence numbers to message info structure (#587 <ros2/rmw_fastrtps#587>)
  * Contributors: Chen Lihui, Christophe Bedard, Ivan Santiago Paunovic, Tomoya Fujita
.
ros-rolling-rmw-fastrtps-shared-cpp (6.2.0-1jammy) jammy; urgency=high
.
  * Add EventsExecutor (#468 <ros2/rmw_fastrtps#468>)
  * Complete events support (#583 <ros2/rmw_fastrtps#583>)
  * Install headers to include/${PROJECT_NAME} (#578 <ros2/rmw_fastrtps#578>)
  * Change default to synchronous (#571 <ros2/rmw_fastrtps#571>)
  * Contributors: Audrow Nash, Miguel Company, Shane Loretz, iRobot ROS
.
ros-rolling-rmw-fastrtps-shared-cpp (6.1.2-1jammy) jammy; urgency=high
.
  * Fix cpplint error (#574 <ros2/rmw_fastrtps#574>)
  * Contributors: Jacob Perron
.
ros-rolling-rmw-fastrtps-shared-cpp (6.1.1-1jammy) jammy; urgency=high
.
  * Fixes for uncrustify 0.72 (#572 <ros2/rmw_fastrtps#572>)
  * Contributors: Chris Lalancette
.
ros-rolling-rmw-fastrtps-shared-cpp (6.1.0-1jammy) jammy; urgency=high
.
  * Add client/service QoS getters. (#560 <ros2/rmw_fastrtps#560>)
  * Fix QoS depth settings for clients/service being ignored. (#564 <ros2/rmw_fastrtps#564>)
  * Contributors: Chen Lihui, mauropasse
.
ros-rolling-rmw-fastrtps-shared-cpp (6.0.0-1jammy) jammy; urgency=high
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  * Update rmw_context_impl_t definition. (#558 <ros2/rmw_fastrtps#558>)
  * Update the LoanManager to do internal locking. (#552 <ros2/rmw_fastrtps#552>)
  * Contributors: Chris Lalancette, Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (5.2.2-1jammy) jammy; urgency=high
.
  * Pass the CRL down to Fast-DDS if available. (#546 <ros2/rmw_fastrtps#546>)
  * Contributors: Chris Lalancette
.
ros-rolling-rmw-fastrtps-shared-cpp (5.2.1-1jammy) jammy; urgency=high
.
  * Use the new rmw_dds_common::get_security_files (#544 <ros2/rmw_fastrtps#544>)
  * Support for SubscriptionOptions::ignore_local_publications (#536 <ros2/rmw_fastrtps#536>)
  * Change links from index.ros.org -> docs.ros.org (#539 <ros2/rmw_fastrtps#539>)
  * Contributors: Chris Lalancette, Jose Antonio Moral
.
ros-rolling-rmw-fastrtps-shared-cpp (5.2.0-1jammy) jammy; urgency=high
.
  * Add rmw_publisher_wait_for_all_acked support. (#519 <ros2/rmw_fastrtps#519>)
  * Contributors: Barry Xu
.
ros-rolling-rmw-fastrtps-shared-cpp (5.1.0-1jammy) jammy; urgency=high
.
  * Loan messages implementation (#523 <ros2/rmw_fastrtps#523>)
    * Added is_plain_ attribute to base TypeSupport.
    * Added new methods to base TypeSupport.
    * Implementation of rmw_borrow_loaned_message.
    * Implementation of rmw_return_loaned_message_from_publisher.
    * Enable loan messages on publishers of plain types.
    * Implementation for taking loaned messages.
    * Enable loan messages on subscriptions of plain types.
  * Export rmw_dds_common as an rmw_fastrtps_shared_cpp dependency (#530 <ros2/rmw_fastrtps#530>)
  * Update includes after rcutils/get_env.h deprecation (#529 <ros2/rmw_fastrtps#529>)
  * Contributors: Christophe Bedard, Michel Hidalgo, Miguel Company
.
ros-rolling-rmw-fastrtps-shared-cpp (5.0.0-1jammy) jammy; urgency=high
.
  * Refactor to use DDS standard API (#518 <ros2/rmw_fastrtps#518>)
  * Unique network flows (#502 <ros2/rmw_fastrtps#502>)
  * updating quality declaration links (re: ros2/docs.ros2.org#52 <ros2/docs.ros2.org#52>) (#520 <ros2/rmw_fastrtps#520>)
  * Contributors: Miguel Company, shonigmann
.
ros-rolling-rmw-fastrtps-shared-cpp (4.5.0-1jammy) jammy; urgency=high
.
  * Take and return new RMW_DURATION_INFINITE correctly (#515 <ros2/rmw_fastrtps#515>)
  * Contributors: Emerson Knapp
.
ros-rolling-rmw-fastrtps-shared-cpp (4.4.0-1jammy) jammy; urgency=high
.
  * Add RMW function to check QoS compatibility (#511 <ros2/rmw_fastrtps#511>)
  * Capture cdr exceptions (#505 <ros2/rmw_fastrtps#505>)
  * Contributors: Jacob Perron, Miguel Company
.
ros-rolling-rmw-fastrtps-shared-cpp (4.3.0-1jammy) jammy; urgency=high
.
.
.
ros-rolling-rmw-fastrtps-shared-cpp (4.2.0-1jammy) jammy; urgency=high
.
  * Make sure to lock the mutex protecting client_endpoints_. (#492 <ros2/rmw_fastrtps#492>)
  * Contributors: Chris Lalancette
.
ros-rolling-rmw-fastrtps-shared-cpp (4.1.0-1jammy) jammy; urgency=high
.
  * Use interface whitelist for localhost only (#476 <ros2/rmw_fastrtps#476>)
  * Make use of error return value in decrement_context_impl_ref_count (#488 <ros2/rmw_fastrtps#488>)
  * Remove unnecessary includes (#487 <ros2/rmw_fastrtps#487>)
  * Use new time_utils function to limit rmw_time_t values to 32-bits (#485 <ros2/rmw_fastrtps#485>)
  * New environment variable to change easily the publication mode (#470 <ros2/rmw_fastrtps#470>)
  * Remove unused headers MessageTypeSupport.hpp and ServiceTypeSupport.hpp (#481 <ros2/rmw_fastrtps#481>)
  * Contributors: Jacob Perron, José Luis Bueno López, Michael Jeronimo, Miguel Company, Stephen Brawner
.
ros-rolling-rmw-fastrtps-shared-cpp (4.0.0-1jammy) jammy; urgency=high
.
  * Discriminate when the Client has gone from when the Client has not completely matched (#467 <ros2/rmw_fastrtps#467>)
    * Workaround when the client is gone before server sends response
    * Change add to the map to listener callback
  * Update the package.xml files with the latest Open Robotics maintainers (#459 <ros2/rmw_fastrtps#459>)
  * Update Quality Declarations and READMEs (#455 <ros2/rmw_fastrtps#455>)
    * Add QD links for dependencies to rmw_fastrtps_shared_cpp QD.
    * Provide external dependencies QD links.
    * Update rmw_fastrtps_shared_cpp QD: Fast DDS
    * Update README rmw_fastrtps_shared_cpp to QL2
  * Contributors: JLBuenoLopez-eProsima, Jaime Martin Losa, José Luis Bueno López, Michael Jeronimo
.
ros-rolling-rmw-fastrtps-shared-cpp (3.1.4-1jammy) jammy; urgency=high
.
  * Perform fault injection in all creation/destruction APIs. (#453 <ros2/rmw_fastrtps#453>)
  * Ensure rmw_destroy_node() completes despite run-time errors. (#458 <ros2/rmw_fastrtps#458>)
  * Handle too large QoS queue depths.  (#457 <ros2/rmw_fastrtps#457>)
  * Update rmw_fastrtps_cpp and rmw_fastrtps_shared_cpp QDs to QL2. (#456 <ros2/rmw_fastrtps#456>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (3.1.3-1jammy) jammy; urgency=high
.
  * checked client implementation and return RMW_RET_INCORRECT_RMW_IMPLEMENTATION (#451 <ros2/rmw_fastrtps#451>)
  * Update service/client request/response API error returns (#450 <ros2/rmw_fastrtps#450>)
  * Contributors: Alejandro Hernández Cordero, Jose Tomas Lorente
.
ros-rolling-rmw-fastrtps-shared-cpp (3.1.2-1jammy) jammy; urgency=high
.
  * Updated publisher/subscription allocation and wait set API return codes (#443 <ros2/rmw_fastrtps#443>)
  * Added rmw_logging tests (#442 <ros2/rmw_fastrtps#442>)
  * Contributors: Alejandro Hernández Cordero
.
ros-rolling-rmw-fastrtps-shared-cpp (3.1.1-1jammy) jammy; urgency=high
.
  * Add tests for RMW QoS to DDS attribute conversion. (#449 <ros2/rmw_fastrtps#449>)
  * Make service/client construction/destruction implementation compliant (#445 <ros2/rmw_fastrtps#445>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (3.1.0-1jammy) jammy; urgency=high
.
  * Inject faults on __rmw_publish() and run_listener_thread() call. (#441 <ros2/rmw_fastrtps#441>)
  * Update gid API return codes. (#440 <ros2/rmw_fastrtps#440>)
  * Update graph API return codes. (#436 <ros2/rmw_fastrtps#436>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (3.0.0-1jammy) jammy; urgency=high
.
  * Update rmw_take_serialized() and rmw_take_with_message_info() error returns  (#435 <ros2/rmw_fastrtps#435>)
  * Update rmw_take() error returns (#432 <ros2/rmw_fastrtps#432>)
  * Update rmw_publish() error returns (#430 <ros2/rmw_fastrtps#430>)
  * Update rmw_publish_serialized_message() error returns (#431 <ros2/rmw_fastrtps#431>)
  * Contributors: Jose Tomas Lorente, Lobotuerk
.
ros-rolling-rmw-fastrtps-shared-cpp (2.6.0-1jammy) jammy; urgency=high
.
  * Improve __rmw_create_wait_set() implementation. (#427 <ros2/rmw_fastrtps#427>)
  * Ensure compliant matched pub/sub count API. (#424 <ros2/rmw_fastrtps#424>)
  * Ensure compliant publisher QoS queries. (#425 <ros2/rmw_fastrtps#425>)
  * Fix memory leak that wait_set might be not destoryed in some case. (#423 <ros2/rmw_fastrtps#423>)
  * Contributors: Chen Lihui, Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (2.5.0-1jammy) jammy; urgency=high
.
  * Avoid unused identifier variable warnings. (#422 <ros2/rmw_fastrtps#422>)
  * Fix trying to get topic data that was already removed. (#417 <ros2/rmw_fastrtps#417>)
  * Contributors: Chen Lihui, Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (2.4.0-1jammy) jammy; urgency=high
.
  * Ensure compliant subscription API. (#419 <ros2/rmw_fastrtps#419>)
  * Use package path to TypeSupport.hpp headers in ServiceTypeSupport and MessageTypeSupport (#415 <ros2/rmw_fastrtps#415>)
    Use package in path to TypeSupport header for ServiceTypeSupport/MessageTypeSupport
  * Contributors: Jose Luis Rivero, Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (2.3.0-1jammy) jammy; urgency=high
.
  * Ensure compliant publisher API. (#414 <ros2/rmw_fastrtps#414>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (2.2.0-1jammy) jammy; urgency=high
.
  * Set context actual domain id (#410 <ros2/rmw_fastrtps#410>)
  * Contributors: Ivan Santiago Paunovic
.
ros-rolling-rmw-fastrtps-shared-cpp (2.1.0-1jammy) jammy; urgency=high
.
  * Add missing thread-safety annotation in ServicePubListener (#409 <ros2/rmw_fastrtps#409>)
  * Ensure compliant node construction/destruction API. (#408 <ros2/rmw_fastrtps#408>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (2.0.0-1jammy) jammy; urgency=high
.
  * Update Quality Declarations to QL3. (#404 <ros2/rmw_fastrtps#404>)
  * Contributors: Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (1.1.0-1jammy) jammy; urgency=high
.
  * Do not use string literals as implementation identifiers in tests. (#402 <ros2/rmw_fastrtps#402>)
  * Ensure compliant init options API implementations. (#399 <ros2/rmw_fastrtps#399>)
  * Finalize context iff shutdown. (#396 <ros2/rmw_fastrtps#396>)
  * Handle RMW_DEFAULT_DOMAIN_ID. (#394 <ros2/rmw_fastrtps#394>)
  * Make service wait for response reader (#390 <ros2/rmw_fastrtps#390>)
  * Contributors: Michel Hidalgo, Miguel Company
.
ros-rolling-rmw-fastrtps-shared-cpp (1.0.1-1jammy) jammy; urgency=high
.
  * Add Security Vulnerability Policy pointing to REP-2006 (#389 <ros2/rmw_fastrtps#389>)
  * Do not compile assert death tests in Release builds (#393 <ros2/rmw_fastrtps#393>)
  * Add test coverage for name mangling and namespacing-specific API (#388 <ros2/rmw_fastrtps#388>)
  * Add test coverage for GUID utilities (#387 <ros2/rmw_fastrtps#387>)
  * Drop unused TopicCache sources (#386 <ros2/rmw_fastrtps#386>)
  * Add test coverage for rmw_init_options API (#385 <ros2/rmw_fastrtps#385>)
  * Update QDs for 1.0 (#383 <ros2/rmw_fastrtps#383>)
  * Contributors: Chris Lalancette, Michel Hidalgo, Stephen Brawner
.
ros-rolling-rmw-fastrtps-shared-cpp (1.0.0-1jammy) jammy; urgency=high
.
  * Remove API related to manual by node liveliness. (#379 <ros2/rmw_fastrtps#379>)
  * Update quality declarations on feature testing. (#380 <ros2/rmw_fastrtps#380>)
  * Contributors: Ivan Santiago Paunovic, Michel Hidalgo
.
ros-rolling-rmw-fastrtps-shared-cpp (0.9.1-1jammy) jammy; urgency=high
.
  * Fill service_info timestamps from sample_info (#378 <ros2/rmw_fastrtps#378>)
  * Fix unused variabled warning (#377 <ros2/rmw_fastrtps#377>)
  * Add basic support for security logging plugin (#362 <ros2/rmw_fastrtps#362>)
  * Add package READMEs and QUALITY_DECLARATION files (#375 <ros2/rmw_fastrtps#375>)
  * Added doxyfiles (#372 <ros2/rmw_fastrtps#372>)
  * Contributors: Alejandro Hernández Cordero, Ingo Lütkebohle, Jacob Perron, Kyle Fazzari, brawner
.
ros-rolling-rmw-fastrtps-shared-cpp (0.9.0-1jammy) jammy; urgency=high
.
  * Feature/services timestamps. (#369 <ros2/rmw_fastrtps#369>)
  * Add support for taking a sequence of messages. (#366 <ros2/rmw_fastrtps#366>)
  * Fill message_info timestamp. (#368 <ros2/rmw_fastrtps#368>)
  * Export targets in a addition to include directories / libraries. (#371 <ros2/rmw_fastrtps#371>)
  * Support for API break on Fast RTPS 2.0. (#370 <ros2/rmw_fastrtps#370>)
  * security-context -> enclave. (#365 <ros2/rmw_fastrtps#365>)
  * Switch to one Participant per Context. (#312 <ros2/rmw_fastrtps#312>)
  * Correct error message when event is not supported. (#358 <ros2/rmw_fastrtps#358>)
  * Add rmw_*_event_init() functions. (#354 <ros2/rmw_fastrtps#354>)
  * Fixing type support C/CPP mix on rmw_fastrtps_dynamic_cpp. (#350 <ros2/rmw_fastrtps#350>)
  * Fix build warning in Ubuntu Focal. (#346 <ros2/rmw_fastrtps#346>)
  * Change rmw_topic_endpoint_info_array.count to .size. (#348 <ros2/rmw_fastrtps#348>)
  * Code style only: wrap after open parenthesis if not in one line. (#347 <ros2/rmw_fastrtps#347>)
  * Fix unprotected use of mutex-guarded variable. (#345 <ros2/rmw_fastrtps#345>)
  * Passing down type support information (#342 <ros2/rmw_fastrtps#342>)
  * Implement functions to get publisher and subcription informations like QoS policies from topic name. (#336 <ros2/rmw_fastrtps#336>)
  * Contributors: Dirk Thomas, Emerson Knapp, Ingo Lütkebohle, Ivan Santiago Paunovic, Jaison Titus, Miaofei Mei, Michael Carroll, Miguel Company, Mikael Arguedas
.
ros-rolling-rmw-fastrtps-shared-cpp (0.8.1-1jammy) jammy; urgency=high
.
  * Restrict traffic to localhost only if env var is provided (#331 <ros2/rmw_fastrtps#331>)
  * Added new functions which can be used to get rmw_qos_profile_t from WriterQos and ReaderQos (#328 <ros2/rmw_fastrtps#328>)
  * Renamed dds_qos_to_rmw_qos to dds_attributes_to_rmw_qos (#330 <ros2/rmw_fastrtps#330>)
  * Contributors: Brian Marchi, jaisontj
.
ros-rolling-rmw-fastrtps-shared-cpp (0.8.0-1jammy) jammy; urgency=high
.
  * Correct error message (#320 <ros2/rmw_fastrtps#320>)
  * Return specific error code when node is not found (#311 <ros2/rmw_fastrtps#311>)
  * Correct linter failure (#318 <ros2/rmw_fastrtps#318>)
  * Fix bug in graph API by node (#316 <ros2/rmw_fastrtps#316>)
  * fix method name change from 1.8.1->1.9.0 (#302 <ros2/rmw_fastrtps#302>)
  * Add missing lock guards for discovered_names and discovered_namespaces (#301 <ros2/rmw_fastrtps#301>)
  * Add function for getting clients by node (#293 <ros2/rmw_fastrtps#293>)
  * Enable manual_by_node and node liveliness assertion (#298 <ros2/rmw_fastrtps#298>)
  * Enable assert liveliness on publisher. (#296 <ros2/rmw_fastrtps#296>)
  * Use rcpputils::find_and_replace instead of std::regex_replace (#291 <ros2/rmw_fastrtps#291>)
  * Fix a comparison with a sign mismatch (#288 <ros2/rmw_fastrtps#288>)
  * Implement get_actual_qos() for subscriptions (#287 <ros2/rmw_fastrtps#287>)
  * add missing qos setings in get_actual_qos() (#284 <ros2/rmw_fastrtps#284>)
  * Fix ABBA deadlock.
  * Contributors: Chris Lalancette, Emerson Knapp, Jacob Perron, M. M, Scott K Logan, William Woodall, ivanpauno
.
ros-rolling-rmw-fastrtps-shared-cpp (0.7.3-1jammy) jammy; urgency=high
.
  * Protection of discovered_names and discovered_namespaces (#283 <ros2/rmw_fastrtps#283>)
  * Disable all liveliness until it is actually supported (#282 <ros2/rmw_fastrtps#282>)
  * Contributors: Emerson Knapp, MiguelCompany
.
ros-rolling-rmw-fastrtps-shared-cpp (0.7.2-1jammy) jammy; urgency=high
.
  * fix log_debug typo in rmw_count (#279 <ros2/rmw_fastrtps#279>)
  * Fastrtps18 event callbacks policies (#275 <ros2/rmw_fastrtps#275>)
  * Centralize topic name creation logic and update to match FastRTPS 1.8 API (#272 <ros2/rmw_fastrtps#272>)
  * Contributors: 1r0b1n0, Emerson Knapp, Nick Burek
.
ros-rolling-rmw-fastrtps-shared-cpp (0.7.1-1jammy) jammy; urgency=high
.
  * Support arbitrary message namespaces  (#266 <ros2/rmw_fastrtps#266>)
  * Set more correct return values for unimplemented features (#276 <ros2/rmw_fastrtps#276>)
  * Add qos interfaces with no-op (#271 <ros2/rmw_fastrtps#271>)
  * Updates for preallocation API. (#274 <ros2/rmw_fastrtps#274>)
  * Fix logging in rmw_node_info_and_types.cpp (#273 <ros2/rmw_fastrtps#273>)
  * Contributors: Emerson Knapp, Jacob Perron, Michael Carroll, Ross Desmond, Thomas Moulard
.
ros-rolling-rmw-fastrtps-shared-cpp (0.7.0-1jammy) jammy; urgency=high
.
  * Thread safety annotation - minimally intrusive first pass (#259 <ros2/rmw_fastrtps#259>)
  * Add function to get publisher actual qos settings (#267 <ros2/rmw_fastrtps#267>)
  * Fixed race condition between taking sample and updating counter. (#264 <ros2/rmw_fastrtps#264>)
  * Fix cpplint error
  * change count type to size_t to avoid warning (#262 <ros2/rmw_fastrtps#262>)
  * update listener logic for accurate counting (#262 <ros2/rmw_fastrtps#262>)
  * Make sure to include the C++ headers used by these headers. (#256 <ros2/rmw_fastrtps#256>)
  * pass context to wait set and fini context (#252 <ros2/rmw_fastrtps#252>)
  * Improve service_is_available logic to protect that client is waiting forever (#238 <ros2/rmw_fastrtps#238>)
  * Merge pull request #250 <ros2/rmw_fastrtps#250> from ros2/support_static_lib
  * use namespace_prefix from shared package
  * make namespace_prefix header public
  * Use empty() to check for an empty string (#247 <ros2/rmw_fastrtps#247>)
  * We can compare a std::string with a const char* using operator==, simplifies the code (#248 <ros2/rmw_fastrtps#248>)
  * Use empty() instead of size() to check if a vector/map contains elements and fixed some incorrect logging (#245 <ros2/rmw_fastrtps#245>)
  * Fix guard condition trigger error (#235 <ros2/rmw_fastrtps#235>)
  * Contributors: Chris Lalancette, Dirk Thomas, DongheeYe, Emerson Knapp, Jacob Perron, Johnny Willemsen, Ricardo González, William Woodall, ivanpauno
.
ros-rolling-rmw-fastrtps-shared-cpp (0.6.1-1jammy) jammy; urgency=high
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  * Add topic cache object for managing topic relations (#236 <ros2/rmw_fastrtps#236>)
  * Fix lint: remove trailing whitespace (#244 <ros2/rmw_fastrtps#244>)
  * Fastrtps 1.7.0 (#233 <ros2/rmw_fastrtps#233>)
  * RMW_FastRTPS configuration from XML only (#243 <ros2/rmw_fastrtps#243>)
  * Methods to retrieve matched counts on pub/sub (#234 <ros2/rmw_fastrtps#234>)
  * use uint8_array (#240 <ros2/rmw_fastrtps#240>)
  * Contributors: Jacob Perron, Juan Carlos, Karsten Knese, Michael Carroll, MiguelCompany, Ross Desmond
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ros-rolling-rmw-fastrtps-shared-cpp (0.6.0-1jammy) jammy; urgency=high
.
  * use new error handling API from rcutils (#231 <ros2/rmw_fastrtps#231>)
  * Add semicolons to all RCLCPP and RCUTILS macros. (#229 <ros2/rmw_fastrtps#229>)
  * separating identity and permission CAs (#227 <ros2/rmw_fastrtps#227>)
  * Include node namespaces in get_node_names (#224 <ros2/rmw_fastrtps#224>)
  * allow builtin reader/writer to reallocate memory if needed (#221 <ros2/rmw_fastrtps#221>)
  * Improve runtime performance of rmw_count_XXX functions (#216 <ros2/rmw_fastrtps#216>) (#217 <ros2/rmw_fastrtps#217>)
  * Merge pull request #218 <ros2/rmw_fastrtps#218> from ros2/pr203
  * Refs #3061 <https://github.com/ros2/rmw_fastrtps/issues/3061>. Leaving common code only on rmw_fastrtps_shared_cpp.
  * Refs #3061 <https://github.com/ros2/rmw_fastrtps/issues/3061>. Package rmw_fastrtps_cpp copied to rmw_fastrtps_shared_cpp.
  * Contributors: Chris Lalancette, Dirk Thomas, Guillaume Autran, Michael Carroll, Miguel Company, Mikael Arguedas, William Woodall
.
ros-rolling-rmw-fastrtps-shared-cpp (0.5.1-1jammy) jammy; urgency=high
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ros-rolling-rmw-fastrtps-shared-cpp (0.5.0-1jammy) jammy; urgency=high
.
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ros-rolling-rmw-fastrtps-shared-cpp (0.4.0-1jammy) jammy; urgency=high
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@DongheeYe @mjcarroll @jacobperron @tfoote