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Rust
12345678910111213141516171819202122232425262728use crate::host_proxy::VsockTcpProxy;use anyhow::Result;
const DEFAULT_CACHE_READ_PROXY_ADDR: &str = "127.0.0.1:10500";const SHUTTLE_CACHE_READ_PROXY_ADDR_ENV: &str = "SHUTTLE_CACHE_READ_PROXY_ADDR";
pub struct ReadCacheProxy { inner: VsockTcpProxy,}
impl ReadCacheProxy { pub async fn start(host_cid: u32, host_port: u32) -> Result<Option<Self>> { if host_port == 0 { return Ok(None); }
let addr = std::env::var(SHUTTLE_CACHE_READ_PROXY_ADDR_ENV) .unwrap_or_else(|_| DEFAULT_CACHE_READ_PROXY_ADDR.to_owned());
let inner = VsockTcpProxy::start("read cache proxy", &addr, host_cid, host_port).await?; Ok(Some(Self { inner })) }
pub fn url(&self) -> &str { self.inner.url() }}