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add API to get matched count of publishers / subscribers #120

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dirk-thomas opened this issue Aug 23, 2017 · 1 comment
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add API to get matched count of publishers / subscribers #120

dirk-thomas opened this issue Aug 23, 2017 · 1 comment
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enhancement New feature or request
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@dirk-thomas
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The current API only passes a topic name which can only return the number of publishers / subscribers independently if they are already matched (due to timing) or will never match (due to incompatible QoS settings).

The new API needs to be coupled to a publisher / subscriber handle since it needs that context to decide if another entity is actually matching this entities QoS.
@dirk-thomas dirk-thomas added the enhancement New feature or request label Aug 23, 2017
@dirk-thomas dirk-thomas mentioned this issue Aug 23, 2017
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@wjwwood wjwwood added this to the untargeted milestone Feb 22, 2018
@dhood dhood mentioned this issue Mar 1, 2018
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@dirk-thomas
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This was implemented in #155.

The remaining work on rclcpp is tracked in ros2/rclcpp#623.

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