Function _handle_pr_start_req_join

chirpstack/src/api/backend/mod.rs:262–294

(
    pl: backend::PRStartReqPayload,
    phy: lrwn::PhyPayload,
)

}

async fn _handle_pr_start_req_join(
    pl: backend::PRStartReqPayload,
    phy: lrwn::PhyPayload,
) -> Result<backend::PRStartAnsPayload> {
    let rx_info = roaming::ul_meta_data_to_rx_info(&pl.ul_meta_data)?;
    let tx_info = roaming::ul_meta_data_to_tx_info(&pl.ul_meta_data)?;
    let region_common_name = CommonName::from_str(&pl.ul_meta_data.rf_region)?;
    let region_config_id = region::get_region_config_id(region_common_name)?;
    let dr = pl.ul_meta_data.data_rate.unwrap_or_default();

    let ufs = UplinkFrameSet {
        uplink_set_id: Uuid::new_v4(),
        dr,
        ch: helpers::get_uplink_ch(&region_config_id, tx_info.frequency, dr)?,
        phy_payload: phy,
        tx_info,
        rx_info_set: rx_info,
        gateway_private_up_map: HashMap::new(),
        gateway_private_down_map: HashMap::new(),
        gateway_tenant_id_map: HashMap::new(),
        gateway_downlink_priority_map: HashMap::new(),
        region_common_name,
        region_config_id,
        roaming_meta_data: Some(RoamingMetaData {
            base_payload: pl.base.clone(),
            ul_meta_data: pl.ul_meta_data.clone(),
        }),
    };

    // This flow will return RoamingIsNotAllowed in case allow_roaming
    // is not enabled in the device-profile.
    join_sns::JoinRequest::start_pr(ufs, pl).await
}

async fn _handle_pr_start_req_data(
    pl: backend::PRStartReqPayload,