docan 0.1.0

DoCAN client and server implement.
Documentation 
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//! response of Service 28

use crate::{constants::LOG_TAG_SERVER, server::DoCanServer};
use iso14229_1::{
    request::{self, Request},
    response::{Code, Response},
    CommunicationCtrlType, Configuration, Iso14229Error,
};
use rs_can::{CanDevice, CanFrame};
use std::fmt::Display;

impl<D, C, F> DoCanServer<D, C, F>
where
    D: CanDevice<Channel = C, Frame = F> + Clone + Send + 'static,
    C: Clone + Eq + Display + Send + Sync + 'static,
    F: CanFrame<Channel = C> + Clone + Display + 'static,
{
    pub(crate) async fn communication_ctrl(
        &self,
        req: Request,
        cfg: &Configuration,
    ) -> Result<(), Iso14229Error> {
        let service = req.service();

        let resp = if self.session.get_session_type().await == Default::default() {
            Response::new_negative(service, Code::ServiceNotSupportedInActiveSession)
        } else {
            match req.sub_function() {
                Some(sf) => match sf.function::<CommunicationCtrlType>() {
                    Ok(r#type) => match req.data::<request::CommunicationCtrl>(cfg) {
                        Ok(ctrl) => match self.context.communication_ctrl(r#type, &ctrl).await {
                            Ok(()) => {
                                if sf.is_suppress_positive() {
                                    return Ok(());
                                } else {
                                    Response::new(service, Some(r#type.into()), vec![], cfg)?
                                }
                            }
                            Err(code) => Response::new_negative(service, code),
                        },
                        Err(e) => {
                            rsutil::warn!(
                                "{} can't parse data on service: {}, because of: {}",
                                LOG_TAG_SERVER,
                                service,
                                e
                            );
                            Response::new_negative(
                                service,
                                Code::IncorrectMessageLengthOrInvalidFormat,
                            )
                        }
                    },
                    Err(e) => {
                        rsutil::warn!(
                            "{} can't parse sub-function on service: {}, because of: {}",
                            LOG_TAG_SERVER,
                            service,
                            e
                        );
                        Response::new_negative(service, Code::SubFunctionNotSupported)
                    }
                },
                None => {
                    rsutil::warn!(
                        "{} can't get sub-function on service: {}",
                        LOG_TAG_SERVER,
                        service
                    );
                    Response::new_negative(service, Code::IncorrectMessageLengthOrInvalidFormat)
                }
            }
        };

        self.transmit_response(resp, true).await;

        Ok(())
    }
}