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pub mod pb {
tonic::include_proto!("grpc.planetwars.bot_api");
}
use pb::bot_api_service_client::BotApiServiceClient;
use planetwars_matchrunner::bot_runner::Bot;
use serde::Deserialize;
use std::{path::PathBuf, time::Duration};
use tokio::sync::mpsc;
use tokio_stream::wrappers::UnboundedReceiverStream;
use tonic::{metadata::MetadataValue, transport::Channel, Request, Status};
#[derive(Deserialize)]
struct BotConfig {
#[allow(dead_code)]
name: String,
command: Vec<String>,
}
#[tokio::main]
async fn main() {
let content = std::fs::read_to_string("simplebot.toml").unwrap();
let bot_config: BotConfig = toml::from_str(&content).unwrap();
let channel = Channel::from_static("http://localhost:50051")
.connect()
.await
.unwrap();
let created_match = create_match(channel.clone()).await.unwrap();
run_player(bot_config, created_match.player_key, channel).await;
tokio::time::sleep(Duration::from_secs(1)).await;
}
async fn create_match(channel: Channel) -> Result<pb::CreatedMatch, Status> {
let mut client = BotApiServiceClient::new(channel);
let res = client
.create_match(Request::new(pb::MatchRequest {
opponent_name: "simplebot".to_string(),
}))
.await;
res.map(|response| response.into_inner())
}
async fn run_player(bot_config: BotConfig, player_key: String, channel: Channel) {
let mut client = BotApiServiceClient::with_interceptor(channel, |mut req: Request<()>| {
let player_key: MetadataValue<_> = player_key.parse().unwrap();
req.metadata_mut().insert("player_key", player_key);
Ok(req)
});
let mut bot_process = Bot {
working_dir: PathBuf::from("."),
argv: bot_config.command,
}
.spawn_process();
let (tx, rx) = mpsc::unbounded_channel();
let mut stream = client
.connect_bot(UnboundedReceiverStream::new(rx))
.await
.unwrap()
.into_inner();
while let Some(message) = stream.message().await.unwrap() {
let moves = bot_process.communicate(&message.content).await.unwrap();
tx.send(pb::PlayerRequestResponse {
request_id: message.request_id,
content: moves.as_bytes().to_vec(),
})
.unwrap();
}
}
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