Struct WebFetchEngineInput 

pub struct WebFetchEngineInput {
    pub url: String,
    pub method: String,
    pub body: Option<String>,
    pub headers: HashMap<String, String>,
    pub timeout_ms: u64,
    pub max_redirects: u32,
    pub max_body_bytes: usize,
    pub check_host: Arc<dyn Fn(String) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send>> + Send + Sync>,
}

Fields

url: String

method: String

body: Option<String>

headers: HashMap<String, String>

timeout_ms: u64

max_redirects: u32

max_body_bytes: usize

check_host: Arc<dyn Fn(String) -> Pin<Box<dyn Future<Output = Result<(), String>> + Send>> + Send + Sync>

Called BEFORE each hop (including the first) with the target host. Returning Err aborts the fetch with INVALID_URL-shaped FetchError.