sl4f_lib/device/
facade.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::common_utils::common::macros::{fx_err_and_bail, with_line};
6use anyhow::Error;
7use fidl_fuchsia_buildinfo::ProviderMarker;
8use fidl_fuchsia_device::{NameProviderMarker, DEFAULT_DEVICE_NAME};
9use fuchsia_component::client;
10
11/// Perform Fuchsia Device fidl operations.
12///
13/// Note this object is shared among all threads created by server.
14///
15#[derive(Debug)]
16pub struct DeviceFacade {}
17
18impl DeviceFacade {
19    pub fn new() -> DeviceFacade {
20        DeviceFacade {}
21    }
22
23    /// Returns target's nodename by NameProviderProxy
24    pub async fn get_device_name(&self) -> Result<String, Error> {
25        let tag = "DeviceFacade::get_device_name";
26        let proxy = match client::connect_to_protocol::<NameProviderMarker>() {
27            Ok(p) => p,
28            Err(err) => fx_err_and_bail!(
29                &with_line!(tag),
30                format_err!("Failed to connect to NameProvider proxy: {:?}", err)
31            ),
32        };
33        let name = proxy
34            .get_device_name()
35            .await?
36            .map_err(|e| format_err!("failed to obtain device name: {:?}", e));
37        let device_name = name.unwrap_or_else(|_| DEFAULT_DEVICE_NAME.to_string());
38        Ok(device_name)
39    }
40
41    /// Returns target's product name
42    pub async fn get_product(&self) -> Result<String, Error> {
43        let tag = "DeviceFacade::get_product";
44        let proxy = match client::connect_to_protocol::<ProviderMarker>() {
45            Ok(p) => p,
46            Err(err) => fx_err_and_bail!(
47                &with_line!(tag),
48                format_err!("Failed to connect to fuchsia.buildinfo.Provider proxy: {:?}", err)
49            ),
50        };
51        let buildinfo = proxy.get_build_info().await?;
52        let product = buildinfo.product_config.unwrap_or_else(|| "unknown".to_string());
53        Ok(product)
54    }
55
56    /// Returns target's version name
57    pub async fn get_version(&self) -> Result<String, Error> {
58        let tag = "DeviceFacade::get_version";
59        let proxy = match client::connect_to_protocol::<ProviderMarker>() {
60            Ok(p) => p,
61            Err(err) => fx_err_and_bail!(
62                &with_line!(tag),
63                format_err!("Failed to connect to fuchsia.buildinfo.Provider proxy: {:?}", err)
64            ),
65        };
66        let buildinfo = proxy.get_build_info().await?;
67        let device_name = buildinfo.version.unwrap_or_else(|| "unknown".to_string());
68        Ok(device_name)
69    }
70}
sl4f_lib/device/facade.rs

sl4f_lib/device/
facade.rs
