80 lines
2.2 KiB
Rust
80 lines
2.2 KiB
Rust
/*
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*
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* Copyright (c) 2020-2022 Project CHIP Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use crate::{
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error::{Error, ErrorCode},
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tlv::{FromTLV, TLVElement, ToTLV},
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};
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use log::error;
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use bitflags::bitflags;
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bitflags! {
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#[derive(Default)]
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pub struct Privilege: u8 {
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const V = 0x01;
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const O = 0x02;
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const M = 0x04;
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const A = 0x08;
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const VIEW = Self::V.bits;
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const OPERATE = Self::V.bits | Self::O.bits;
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const MANAGE = Self::V.bits | Self::O.bits | Self::M.bits;
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const ADMIN = Self::V.bits | Self::O.bits| Self::M.bits| Self::A.bits;
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}
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}
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impl FromTLV<'_> for Privilege {
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fn from_tlv(t: &TLVElement) -> Result<Self, Error>
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where
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Self: Sized,
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{
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match t.u32()? {
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1 => Ok(Privilege::VIEW),
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2 => {
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error!("ProxyView privilege not yet supporteds");
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Err(ErrorCode::Invalid.into())
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}
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3 => Ok(Privilege::OPERATE),
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4 => Ok(Privilege::MANAGE),
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5 => Ok(Privilege::ADMIN),
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_ => Err(ErrorCode::Invalid.into()),
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}
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}
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}
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impl ToTLV for Privilege {
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#[allow(clippy::bool_to_int_with_if)]
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fn to_tlv(
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&self,
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tw: &mut crate::tlv::TLVWriter,
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tag: crate::tlv::TagType,
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) -> Result<(), Error> {
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let val = if self.contains(Privilege::ADMIN) {
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5
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} else if self.contains(Privilege::OPERATE) {
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4
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} else if self.contains(Privilege::MANAGE) {
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3
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} else if self.contains(Privilege::VIEW) {
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1
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} else {
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0
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};
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tw.u8(tag, val)
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}
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}
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