feat: add fetch timeout

__wasm/wit-bindgen-sample/container/src/main.rs

@@ -1,3 +1,4 @@
+use std::time::Duration;
 use anyhow::Result;
 use serde::{Deserialize, Serialize};
 use wasmtime::{Config, Engine, Instance, Linker, Module, Store};
@@ -15,6 +16,13 @@ struct JsResult {
     message: String,
 }
 
+pub fn get(url: &str) -> reqwest::Result<reqwest::blocking::Response> {
+   let client = reqwest::blocking::Client::builder()
+       .timeout(Duration::from_secs(8))
+       .build()?;
+    client.get(url).send()
+}
+
 #[derive(Default)]
 pub struct MyContainer;
 
@@ -23,7 +31,7 @@ impl container::Container for MyContainer {
         println!("fetch arguments: {}", s);
         let url: String = s.chars().skip(1).take(s.len() - 2).collect();
         println!("fetch arguments URL: {}", url);
-        let r = match reqwest::blocking::get(&url) {
+        let r = match get(&url) {
             Err(e) => return serde_json::to_string(&FetchResult {
                 error: Some(serde_json::to_string(&JsResult {
                     message: format!("failed: {}", e)
@@ -109,6 +117,7 @@ fn default_config() -> Result<Config> {
     // Create an engine with caching enabled to assist with iteration in this project.
     let mut config = Config::new();
     config.cache_config_load_default()?;
+    // config.debug_info(true);
     config.wasm_backtrace_details(wasmtime::WasmBacktraceDetails::Enable);
     Ok(config)
 }