| use dora_node_api::{self, dora_core::config::DataId, DoraNode, Event, IntoArrow}; | |
| use eyre::Context; | |
| fn main() -> eyre::Result<()> { | |
| println!("hello"); | |
| let status_output = DataId::from("status".to_owned()); | |
| let (mut node, mut events) = DoraNode::init_from_env()?; | |
| let mut ticks = 0; | |
| while let Some(event) = events.recv() { | |
| match event { | |
| Event::Input { id, metadata, data } => match id.as_ref() { | |
| "tick" => { | |
| ticks += 1; | |
| } | |
| "random" => { | |
| let value = u64::try_from(&data).context("unexpected data type")?; | |
| let output = format!( | |
| "operator received random value {value:#x} after {} ticks", | |
| ticks | |
| ); | |
| node.send_output( | |
| status_output.clone(), | |
| metadata.parameters, | |
| output.into_arrow(), | |
| )?; | |
| } | |
| other => eprintln!("ignoring unexpected input {other}"), | |
| }, | |
| Event::Stop => {} | |
| Event::InputClosed { id } => { | |
| println!("input `{id}` was closed"); | |
| if *id == "random" { | |
| println!("`random` input was closed -> exiting"); | |
| break; | |
| } | |
| } | |
| other => { | |
| println!("received unknown event {other:?}"); | |
| } | |
| } | |
| } | |
| Ok(()) | |
| } | |