Function oe_rpc_servers::start_http

pub fn start_http<M, S, H, T, A, B>(
    addr: &SocketAddr, 
    cors_domains: DomainsValidation<AccessControlAllowOrigin>, 
    allowed_hosts: DomainsValidation<Host>, 
    health_api: Option<(A, B)>, 
    handler: H, 
    extractor: T, 
    threads: usize, 
    max_payload: usize, 
    keep_alive: bool
) -> Result<HttpServer> where
    M: Metadata + Unpin,
    S: Middleware<M>,
    S::Future: Unpin,
    S::CallFuture: Unpin,
    H: Into<MetaIoHandler<M, S>>,
    T: MetaExtractor<M>,
    A: Into<String>,
    B: Into<String>, 

Start http server asynchronously and returns result with Server handle on success or an error.