use partitionline::Consumer;
#[tokio::main]
async fn main() -> partitionline::Result<()> {
let bootstrap = std::env::var("KAFKA_BOOTSTRAP").unwrap_or_else(|_| "127.0.0.1:9092".into());
let topic = std::env::var("KAFKA_TOPIC").unwrap_or_else(|_| "partitionline".into());
let mut consumer = Consumer::connect(bootstrap).await?;
consumer.assign_topic(topic, 0).await?;
loop {
for rec in consumer.fetch().await? {
println!(
"{}-{}@{} bytes={}",
rec.topic,
rec.partition,
rec.offset,
rec.value.as_ref().map(|v| v.len()).unwrap_or(0)
);
}
}
}