Rust Client

[dependencies][dependencies]pie-client = "0.1"pie-client = "0.1"tokio = { version = "1", features = ["full"] }tokio = { version = "1", features = ["full"] }anyhow = "1"anyhow = "1"

use pie_client::{Client, InstanceEvent}; use  pie_client::{Client,  InstanceEvent}; use anyhow::Result; use  anyhow:: Result;  #[tokio::main] #[tokio::main] async fn main() -> Result<()> { async  fn  main()  ->  Result<()>  {    // Connect to server     
// Connect to server     let client = Client::connect("ws://127.0.0.1:8080").await?;     let  client =  Client:: connect("ws://127.0.0.1:8080"). await?;             // Authenticate     
// Authenticate     client.authenticate("username", &None).await?;     client. authenticate("username",  & None). await?;             // Launch an inferlet from registry     
// Launch an inferlet from registry     let mut instance = client.launch_instance_from_registry(    let  mut  instance =  client. launch_instance_from_registry(        "text-completion".to_string(),         "text-completion". to_string(),         vec!["--prompt".to_string(), "Hello, world!".to_string()],         vec!["--prompt". to_string(),  "Hello, world!". to_string()],         false,  // not detached         false,   
// not detached     ).await?;     ). await?;             // Receive output     
// Receive output     loop {    loop  {        match instance.recv().await? {        match  instance. recv(). await?  {            InstanceEvent::Stdout(text) => print!("{}", text),             InstanceEvent:: Stdout(text)  =>  print!("{}",  text),             InstanceEvent::Completed(_) => break,             InstanceEvent:: Completed(_)  =>  break,             InstanceEvent::Exception(msg) => {            InstanceEvent:: Exception(msg)  =>  {                eprintln!("Error: {}", msg);                 eprintln!("Error: {}",  msg);                 break;                 break;             }             }             _ => {}             _ =>  {}         }         }     }     }             client.close()?;     client. close()?;     Ok(())     Ok(()) } }

let client = Client::connect("ws://127.0.0.1:8080").await?; let  client =  Client:: connect("ws://127.0.0.1:8080"). await?;

use pie_client::crypto::ParsedPrivateKey; use  pie_client:: crypto:: ParsedPrivateKey;  // With SSH key 
// With SSH key let key = ParsedPrivateKey::from_file("~/.ssh/id_ed25519")?; let  key =  ParsedPrivateKey:: from_file("~/.ssh/id_ed25519")?; client.authenticate("username", &Some(key)).await?; client. authenticate("username",  & Some(key)). await?;  // Without key (when server auth is disabled) 
// Without key (when server auth is disabled) client.authenticate("username", &None).await?; client. authenticate("username",  & None). await?;

let mut instance = client.launch_instance_from_registry(let  mut  instance =  client. launch_instance_from_registry(    "chat".to_string(),     "chat". to_string(),     vec![],     vec![],     false,     false, ).await?; ). await?;  // Send a message 
// Send a message instance.send("What is 2 + 2?")?; instance. send("What is 2 + 2?")?;  // Receive response 
// Receive response match instance.recv().await? { match  instance. recv(). await?  {    InstanceEvent::Message(text) => println!("{}", text),     InstanceEvent:: Message(text)  =>  println!("{}",  text),     InstanceEvent::Stdout(text) => print!("{}", text),     InstanceEvent:: Stdout(text)  =>  print!("{}",  text),     _ => {}     _ =>  {} } }

pub enum InstanceEvent {pub  enum  InstanceEvent  {    /// Text message from instance     
/// Text message from instance     Message(String),     Message(String),     /// Instance completed successfully     
/// Instance completed successfully     Completed(String),     Completed(String),     /// Instance was aborted     
/// Instance was aborted     Aborted(String),     Aborted(String),     /// Instance raised an exception     
/// Instance raised an exception     Exception(String),     Exception(String),     /// Server-side error     
/// Server-side error     ServerError(String),     ServerError(String),     /// Resource limit reached     
/// Resource limit reached     OutOfResources(String),     OutOfResources(String),     /// Binary data     
/// Binary data     Blob(Vec<u8>),     Blob(Vec< u8>),     /// Streaming stdout     
/// Streaming stdout     Stdout(String),     Stdout(String),     /// Streaming stderr     
/// Streaming stderr     Stderr(String),     Stderr(String), } }

loop {loop  {    match instance.recv().await? {    match  instance. recv(). await?  {        InstanceEvent::Stdout(text) => {        InstanceEvent:: Stdout(text)  =>  {            print!("{}", text);             print!("{}",  text);             std::io::stdout().flush()?;             std:: io:: stdout(). flush()?;         }         }         InstanceEvent::Stderr(text) => {        InstanceEvent:: Stderr(text)  =>  {            eprint!("{}", text);             eprint!("{}",  text);         }         }         InstanceEvent::Completed(msg) => {        InstanceEvent:: Completed(msg)  =>  {            println!("\nCompleted: {}", msg);             println!("\nCompleted: {}",  msg);             break;             break;         }         }         InstanceEvent::Exception(err) => {        InstanceEvent:: Exception(err)  =>  {            return Err(anyhow!("Inferlet error: {}", err));             return  Err(anyhow!("Inferlet error: {}",  err));         }         }         InstanceEvent::ServerError(err) => {        InstanceEvent:: ServerError(err)  =>  {            return Err(anyhow!("Server error: {}", err));             return  Err(anyhow!("Server error: {}",  err));         }         }         _ => {}         _ =>  {}     }     } } }

use pie_client::hash_blob; use  pie_client:: hash_blob;  // Read and upload 
// Read and upload let wasm_bytes = std::fs::read("my_inferlet.wasm")?; let  wasm_bytes =  std:: fs:: read("my_inferlet.wasm")?; client.upload_program(&wasm_bytes).await?; client. upload_program(& wasm_bytes). await?;  // Get hash for launching 
// Get hash for launching let program_hash = hash_blob(&wasm_bytes); let  program_hash =  hash_blob(& wasm_bytes);  // Launch 
// Launch let mut instance = client.launch_instance( let  mut  instance =  client. launch_instance(    program_hash,     program_hash,     vec!["--arg".to_string(), "value".to_string()],     vec!["--arg". to_string(),  "value". to_string()],     false,     false, ).await?; ). await?;

// Launch detached
// Launch detached let instance = client.launch_instance_from_registry( let  instance =  client. launch_instance_from_registry(    "long-task".to_string(),     "long-task". to_string(),     vec![],     vec![],     true,  // detached     true,   
// detached ).await?; ). await?; let instance_id = instance.id(); let  instance_id =  instance. id();  // Later, reattach 
// Later, reattach let mut attached = client.attach_instance(&instance_id.to_string()).await?; let  mut  attached =  client. attach_instance(& instance_id. to_string()). await?; let event = attached.recv().await?; let  event =  attached. recv(). await?;

use anyhow::{Result, Context}; use  anyhow::{Result,  Context};  async fn run() -> Result<()> { async  fn  run()  ->  Result<()>  {    let client = Client::connect("ws://127.0.0.1:8080")     let  client =  Client:: connect("ws://127.0.0.1:8080")         .await         . await         .context("Failed to connect to Pie server")?;         . context("Failed to connect to Pie server")?;             client.authenticate("username", &None)     client. authenticate("username",  & None)         .await         . await         .context("Authentication failed")?;         . context("Authentication failed")?;             // ...     
// ...     Ok(())     Ok(()) } }

use std::sync::Arc; use  std:: sync:: Arc;  let client = Arc::new(Client::connect("ws://127.0.0.1:8080").await?); let  client =  Arc:: new(Client:: connect("ws://127.0.0.1:8080"). await?);  let c1 = client.clone(); let  c1 =  client. clone(); let h1 = tokio::spawn(async move { let  h1 =  tokio:: spawn(async  move  {    // Use c1     
// Use c1 }); });  let c2 = client.clone(); let  c2 =  client. clone(); let h2 = tokio::spawn(async move { let  h2 =  tokio:: spawn(async  move  {    // Use c2     
// Use c2 }); });  h1.await?; h1. await?; h2.await?; h2. await?;