niklas/rclcpp
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Avoid 'Intra process message no longer being stored when trying to ha… (#749)

Browse source 
Signed-off-by: ivanpauno <ivanpauno@ekumenlabs.com>
This commit is contained in:
ivanpauno 2019-05-30 15:54:02 -03:00 • committed by GitHub
parent 347f8d0b1d
commit 8ff51833ad
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

18
rclcpp/include/rclcpp/subscription.hpp
View file

@ -178,10 +178,11 @@ public:
intra_process_subscription_id_,
msg);
if (!msg) {
// This either occurred because the publisher no longer exists or the
// message requested is no longer being stored.
RCLCPP_WARN(get_logger("rclcpp"),
"Intra process message no longer being stored when trying to handle it");
// This can happen when having two nodes in different process both using intraprocess
// communication. It could happen too if the publisher no longer exists or the requested
// message is not longer being stored.
// TODO(ivanpauno): Print a warn message in the last two cases described above,
// but not in the first one.
return;
}
any_callback_.dispatch_intra_process(msg, message_info);
@ -193,10 +194,11 @@ public:
intra_process_subscription_id_,
msg);
if (!msg) {
// This either occurred because the publisher no longer exists or the
// message requested is no longer being stored.
RCLCPP_WARN(get_logger("rclcpp"),
"Intra process message no longer being stored when trying to handle it");
// This can happen when having two nodes in different process both using intraprocess
// communication. It could happen too if the publisher no longer exists or the requested
// message is not longer being stored.
// TODO(ivanpauno): Print a warn message in the last two cases described above,
// but not in the first one.
return;
}
any_callback_.dispatch_intra_process(std::move(msg), message_info);