sl4f_lib/wlan_phy/
commands.rs

1// Copyright 2020 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::server::Facade;
6use crate::wlan_phy::facade::WlanPhyFacade;
7use anyhow::{format_err, Error};
8use async_trait::async_trait;
9use serde_json::{to_value, Value};
10
11#[async_trait(?Send)]
12impl Facade for WlanPhyFacade {
13    async fn handle_request(&self, method: String, args: Value) -> Result<Value, Error> {
14        match method.as_ref() {
15            "get_country" => {
16                let phy_id =
17                    args.get("phy_id").ok_or_else(|| format_err!("Must provide a `phy_id`"))?;
18                let phy_id: u16 = phy_id
19                    .as_u64()
20                    .ok_or_else(|| format_err!("`phy_id` must be a number, but was {:?}", phy_id))?
21                    .try_into()
22                    .or_else(|_err| {
23                        Err(format_err!("`phy_id` must fit u16, but was {:?}", phy_id))
24                    })?;
25                Ok(to_value(self.get_country(phy_id).await?)?)
26            }
27            "get_dev_path" => {
28                let phy_id =
29                    args.get("phy_id").ok_or_else(|| format_err!("Must provide a `phy_id`"))?;
30                let phy_id: u16 = phy_id
31                    .as_u64()
32                    .ok_or_else(|| format_err!("`phy_id` must be a number, but was {:?}", phy_id))?
33                    .try_into()
34                    .or_else(|_err| {
35                        Err(format_err!("`phy_id` must fit u16, but was {:?}", phy_id))
36                    })?;
37                Ok(to_value(self.get_dev_path(phy_id).await?)?)
38            }
39            _ => return Err(format_err!("unsupported command {} for wlan-phy-facade!", method)),
40        }
41    }
42}