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+dependencies = [ + "async-trait", + "asynchronous-codec", + "bytes", + "crossbeam-queue", + "dashmap", + "futures-channel", + "futures-io", + "futures-task", + "futures-util", + "log", + "num-traits", + "once_cell", + "parking_lot", + "rand", + "regex", + "thiserror", + "tokio", + "tokio-util", + "uuid", +] diff --git a/examples/Rust/minimal-example-tokio/Cargo.toml b/examples/Rust/minimal-example-tokio/Cargo.toml new file mode 100644 index 0000000..63a6d28 --- /dev/null +++ b/examples/Rust/minimal-example-tokio/Cargo.toml @@ -0,0 +1,11 @@ +[package] +name = "minimal-example" +version = "0.1.0" +edition = "2021" + +[dependencies] +flate2 = "1.0.35" +serde = { version = "1.0.217", features = ["serde_derive"] } +serde_json = "1.0.135" +tokio = "1.43.0" +zeromq = { version = "0.4.1", features = ["tcp-transport"] } diff --git a/examples/Rust/minimal-example-tokio/README.md b/examples/Rust/minimal-example-tokio/README.md new file mode 100644 index 0000000..8e665b1 --- /dev/null +++ b/examples/Rust/minimal-example-tokio/README.md @@ -0,0 +1,3 @@ +A basic example of listening to EDDN from Rust from a tokio runtime. + +This example uses https://github.com/zeromq/zmq.rs, which is a native reimplementation in Rust (less pain with dependencies) \ No newline at end of file diff --git a/examples/Rust/minimal-example-tokio/src/main.rs b/examples/Rust/minimal-example-tokio/src/main.rs new file mode 100644 index 0000000..671d724 --- /dev/null +++ b/examples/Rust/minimal-example-tokio/src/main.rs @@ -0,0 +1,75 @@ +use flate2::bufread::ZlibDecoder; +use serde::Deserialize; +use std::io::Read; +use zeromq::Socket; +use zeromq::SocketRecv; + +#[derive(Deserialize, Debug)] +struct EDDN { + header: EDDNHeader, + message: Event, +} + +#[derive(Deserialize, Debug)] +struct EDDNHeader { + #[serde(rename = "softwareName")] + software_name: String, + #[serde(rename = "softwareVersion")] + software_version: String, +} + +#[derive(Deserialize, Debug)] +struct Event { + event: Option, +} + +#[tokio::main] +async fn main() { + let mut socket = zeromq::SubSocket::new(); + socket + .connect("tcp://eddn.edcd.io:9500") + .await + .expect("Failed to connect to EDDN"); + println!("Connected to eddn"); + socket + .subscribe("") + .await + .expect("Failed to subscribe to EDDN"); + println!("Subscribed to eddn"); + + loop { + match socket.recv().await { + Err(err) => { + println!("Receive Error: {}", err.to_string()) + } + Ok(recv) => { + let data_compressed = recv.get(0).unwrap().to_vec(); + let mut decoder = ZlibDecoder::new(&data_compressed[..]); + let mut data = String::new(); + if let Err(err) = decoder.read_to_string(&mut data) { + println!("Failed decompression of zlib payload: {}", err); + continue; + } + + let message: EDDN = match serde_json::from_str(&data) { + Ok(x) => x, + Err(err) => { + println!("Failed parsing payload: {}", err); + continue; + } + }; + + match message.message.event { + Some(event_type) => println!( + "RX an Event of type {} from Software {} Version {}", + event_type, message.header.software_name, message.header.software_version + ), + None => println!( + "RX an Event without event type from Software {} Version {}", + message.header.software_name, message.header.software_version + ), + } + } + } + } +}