Files
arbiter/server/crates/arbiter-server/src/grpc/request_tracker.rs

27 lines
800 B
Rust

use tonic::Status;
#[derive(Default)]
pub struct RequestTracker {
next_request_id: i32,
}
impl RequestTracker {
pub fn request(&mut self, id: i32) -> Result<i32, Status> {
if id < self.next_request_id {
return Err(Status::invalid_argument("Duplicate request id"));
}
self.next_request_id = id
.checked_add(1)
.ok_or_else(|| Status::invalid_argument("Invalid request id"))?;
Ok(id)
}
// This is used to set the response id for auth responses, which need to match the request id of the auth challenge request.
// -1 offset is needed because request() increments the next_request_id after returning the current request id.
pub fn current_request_id(&self) -> i32 {
self.next_request_id - 1
}
}