make CameraPublisher::getNumSubscribers() work (#163)

ros-perception · Jun 26, 2020 · 7d15fb1 · 7d15fb1
1 parent 35b0481
commit 7d15fb1
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/image_transport/CMakeLists.txt b/image_transport/CMakeLists.txt
@@ -48,7 +48,7 @@ add_library(${PROJECT_NAME}_plugins
 )
 target_link_libraries(${PROJECT_NAME}_plugins ${PROJECT_NAME})
 
-# Build list_trasnports
+# Build list_transports
 add_executable(list_transports src/list_transports.cpp)
 target_link_libraries(list_transports ${PROJECT_NAME})
 

diff --git a/image_transport/src/camera_publisher.cpp b/image_transport/src/camera_publisher.cpp
@@ -98,9 +98,8 @@ CameraPublisher::CameraPublisher(
 
 size_t CameraPublisher::getNumSubscribers() const
 {
-  //TODO(ros2) add support when rcl/rmw support it.
-  //if (impl_ && impl_->isValid())
-  //return std::max(impl_->image_pub_.getNumSubscribers(), impl_->info_pub_.getNumSubscribers());
+  if (impl_ && impl_->isValid())
+    return std::max(impl_->image_pub_.getNumSubscribers(), impl_->info_pub_->get_subscription_count());
   return 0;
 }