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extern crate planetwars_matchrunner;
extern crate tokio;
use std::collections::HashMap;
use std::io::{self, Write};
use std::path::PathBuf;
use std::pin::Pin;
use std::sync::{Arc, Mutex};
use bollard::container::{self, LogOutput};
use bollard::exec::StartExecResults;
use bollard::Docker;
use bytes::Bytes;
use futures::{Stream, StreamExt};
use planetwars_matchrunner::{
match_context::{EventBus, MatchCtx, PlayerHandle, RequestMessage},
pw_match, MatchConfig, MatchMeta, PlayerInfo,
};
use planetwars_rules::protocol as proto;
use planetwars_rules::PwConfig;
use std::env;
use tokio::io::{AsyncWrite, AsyncWriteExt};
use tokio::sync::mpsc;
const IMAGE: &'static str = "simplebot:latest";
#[tokio::main]
async fn main() {
let args: Vec<String> = env::args().collect();
assert!(args.len() >= 2);
let map_path = args[1].clone();
_run_match(map_path).await;
}
async fn _run_match(map_path: String) {
let docker = Docker::connect_with_socket_defaults().unwrap();
create_player_process(&docker).await.unwrap();
}
async fn create_player_process(docker: &Docker) -> Result<(), bollard::errors::Error> {
let config = container::Config {
image: Some(IMAGE),
..Default::default()
};
let response = docker.create_container::<&str, &str>(None, config).await?;
let container_id = response.id;
docker
.start_container::<String>(&container_id, None)
.await?;
let exec_id = docker
.create_exec::<&str>(
&container_id,
bollard::exec::CreateExecOptions {
attach_stdin: Some(true),
attach_stdout: Some(true),
attach_stderr: Some(true),
cmd: Some(vec!["python", "simplebot.py"]),
..Default::default()
},
)
.await
.unwrap()
.id;
let start_exec_results = docker.start_exec(&exec_id, None).await?;
let mut process = match start_exec_results {
StartExecResults::Detached => panic!("failed to get io channels"),
StartExecResults::Attached { input, output } => ContainerProcess {
stdin: input,
output,
},
};
let state = proto::State {
planets: vec![
proto::Planet {
name: "a".to_string(),
owner: Some(1),
ship_count: 100,
x: -1.0,
y: 0.0,
},
proto::Planet {
name: "b".to_string(),
owner: Some(2),
ship_count: 100,
x: 1.0,
y: 0.0,
},
],
expeditions: vec![],
};
let serialized = serde_json::to_vec(&state).unwrap();
let out = process.communicate(&serialized).await?;
print!("{}", String::from_utf8(out.to_vec()).unwrap());
Ok(())
}
pub struct ContainerProcess {
stdin: Pin<Box<dyn AsyncWrite + Send>>,
output: Pin<Box<dyn Stream<Item = Result<LogOutput, bollard::errors::Error>>>>,
}
impl ContainerProcess {
pub async fn communicate(&mut self, input: &[u8]) -> io::Result<Bytes> {
self.write_line(input).await?;
self.read_line().await
}
async fn write_line(&mut self, bytes: &[u8]) -> io::Result<()> {
self.stdin.write_all(bytes).await?;
self.stdin.write_u8(b'\n').await?;
self.stdin.flush().await?;
Ok(())
}
async fn read_line(&mut self) -> io::Result<Bytes> {
while let Some(item) = self.output.next().await {
let log_output = item.expect("failed to get log output");
match log_output {
LogOutput::StdOut { message } => {
// TODO: this is not correct (buffering and such)
return Ok(message);
}
LogOutput::StdErr { message } => {
// TODO
println!("stderr: {}", String::from_utf8_lossy(&message));
}
_ => (),
}
}
Err(io::Error::new(
io::ErrorKind::UnexpectedEof,
"no response received",
))
}
}
|
