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Add CLI args to Node constructor#461

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sloretz merged 2 commits intomasterfrom
pass_cli_args_to_node
Apr 17, 2018
Merged

Add CLI args to Node constructor#461
sloretz merged 2 commits intomasterfrom
pass_cli_args_to_node

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@sloretz sloretz commented Apr 14, 2018

This adds a parameter for command line arguments to Node, and a parameter to ignore global CLI arguments. I think roslaunch might need something like this to dynamically compose nodes without their arguments affecting other nodes, though I'm not sure if there is another strategy planned.

Kind of related to ros2/examples#200 and ros2/ros2#450

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Add CLI args to Node constructor
3fc6aed 
Adds arguments and use_global_arguments to NodeBase
@sloretz sloretz added the in review Waiting for review (Kanban column) label Apr 14, 2018
@sloretz sloretz self-assigned this Apr 14, 2018
@sloretz sloretz requested a review from wjwwood April 14, 2018 00:28
This was referenced Apr 14, 2018
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sloretz commented Apr 14, 2018

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sloretz commented Apr 14, 2018
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rclcpp/src/rclcpp/node_interfaces/node_base.cpp

// Create the rcl node and store it in a shared_ptr with a custom destructor.
rcl_node_t * rcl_node = new rcl_node_t(rcl_get_zero_initialized_node());
std::unique_ptr<rcl_node_t> rcl_node(new rcl_node_t(rcl_get_zero_initialized_node()));
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I changed this only to get rid of false positive "double free" error from cppcheck. It didn't like that it saw two delete rcl_node; statements: one in the error handling after calling rcl_parse_arguments(), and another in the error handling of rcl_node_init().

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wjwwood approved these changes Apr 14, 2018
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lgtm

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sloretz commented Apr 16, 2018

checking if windows warning is fixed Build Status

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sloretz commented Apr 16, 2018 •
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@sloretz sloretz merged commit 360f1b9 into master Apr 17, 2018
@sloretz sloretz deleted the pass_cli_args_to_node branch April 17, 2018 17:52
@sloretz sloretz removed the in review Waiting for review (Kanban column) label Apr 17, 2018
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Karsten1987 commented Apr 30, 2018

I believe this PR introduced some memory leaks when node_name or namespace_ are incorrect.
It primarily allocates memory which doesn't get freed when one of the following checks fails and raises an exception.

I ran valgrind on test_node and the following tests leaks twice the memory of the node arguments
https://github.com/ros2/rclcpp/blob/master/rclcpp/test/test_node.cpp#L37-L53
As the first test runs correctly, no memory is leaked. However, as the second and third node result in an exception, the node argument memory is leaked.

@Karsten1987 Karsten1987 mentioned this pull request Apr 30, 2018
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DensoADAS pushed a commit to DensoADAS/rclcpp that referenced this pull request Aug 5, 2022
@Karsten1987
reenable cppcheck for rosbag2_transport (ros2#461)
8e71e9c 
* reenable cppcheck

Signed-off-by: Karsten Knese <karsten@openrobotics.org>

* suppress unknown macro inline

Signed-off-by: Karsten Knese <karsten@openrobotics.org>
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