Module message_info 

Message metadata for received messages

This module provides the MessageInfo type which contains metadata about received messages, matching the rclrs pattern.

Example

node.create_subscription("/topic", |msg: &Int32, info: &MessageInfo| {
    println!("Received at {:?} from {:?}", info.source_timestamp(), info.publisher_gid());
});

Structs

MessageInfo

Metadata about a received message

RawMessageInfo

Raw-subscription message info: MessageInfo metadata plus the sample’s wire-level attachment bytes, borrowed for the callback scope.

Constants

PUBLISHER_GID_SIZE

Size of the publisher Global Identifier (GID)