53 lines
1.5 KiB
Rust
53 lines
1.5 KiB
Rust
use std::collections::HashMap;
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use hyper::Client as HyperClient;
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use mlua::{Lua, Result, Thread, Error};
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#[tokio::main]
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async fn main() -> Result<()> {
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let lua = Lua::new();
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let fetch_url = lua.create_async_function(|lua, uri: String| async move {
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let client = HyperClient::new();
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let uri = uri.parse().map_err(Error::external)?;
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let resp = client.get(uri).await.map_err(Error::external)?;
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let lua_resp = lua.create_table()?;
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lua_resp.set("status", resp.status().as_u16())?;
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let mut headers = HashMap::new();
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for (key, value) in resp.headers().iter() {
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headers.entry(key.as_str()).or_insert(Vec::new()).push(value.to_str().unwrap());
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}
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lua_resp.set("headers", headers)?;
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let buf = hyper::body::to_bytes(resp).await.map_err(Error::external)?;
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lua_resp.set("body", String::from_utf8_lossy(&buf).into_owned())?;
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Ok(lua_resp)
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})?;
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let globals = lua.globals();
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globals.set("fetch_url", fetch_url)?;
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let thread = lua
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.load(
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r#"
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coroutine.create(function ()
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local res = fetch_url("http://httpbin.org/ip");
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print(res.status)
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for key, vals in pairs(res.headers) do
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for _, val in ipairs(vals) do
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print(key..": "..val)
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end
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end
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print(res.body)
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end)
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"#,
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)
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.eval::<Thread>()?;
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thread.into_async(()).await
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}
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