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pamoja_coap_client_subscribe

pamoja_ffi::coap

Function pamoja_coap_client_subscribe 

Source 
#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_coap_client_subscribe(
    client: *mut PamojaCoapClient,
    topic: *const c_char,
) -> PamojaStatus
Expand description

Observes a resource path, so messages published to it arrive at pamoja_coap_client_recv.

§Arguments

  • client - the endpoint.
  • topic - the resource path, as null-terminated UTF-8.

§Returns

PamojaStatus::Ok once observing.

§Safety

client must be a live handle and topic a valid null-terminated UTF-8 string.