Function esp_idf_svc::hal::sys::httpd_sess_set_pending_override

source · 
pub unsafe extern "C" fn httpd_sess_set_pending_override(
    hd: *mut c_void,
    sockfd: i32,
    pending_func: Option<unsafe extern "C" fn(_: *mut c_void, _: i32) -> i32>,
) -> i32
Expand description

@brief Override web server’s pending function (by session FD)

This function overrides the web server’s pending function. This function is used to test for pending bytes in a socket.

@note This API is supposed to be called either from the context of - an http session APIs where sockfd is a valid parameter - a URI handler where sockfd is obtained using httpd_req_to_sockfd()

@param[in] hd HTTPD instance handle @param[in] sockfd Session socket FD @param[in] pending_func The receive function to be set for this session

@return

  • ESP_OK : On successfully registering override
  • ESP_ERR_INVALID_ARG : Null arguments