106 lines
3.3 KiB
Rust
106 lines
3.3 KiB
Rust
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/*
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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::{data_model::objects::ClusterType, error::*, interaction_model::core::IMStatusCode};
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use std::fmt;
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pub const CLUSTERS_PER_ENDPT: usize = 7;
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pub struct Endpoint {
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clusters: Vec<Box<dyn ClusterType>>,
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}
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impl Endpoint {
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pub fn new() -> Result<Box<Endpoint>, Error> {
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Ok(Box::new(Endpoint {
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clusters: Vec::with_capacity(CLUSTERS_PER_ENDPT),
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}))
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}
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pub fn add_cluster(&mut self, cluster: Box<dyn ClusterType>) -> Result<(), Error> {
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if self.clusters.len() < self.clusters.capacity() {
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self.clusters.push(cluster);
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Ok(())
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} else {
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Err(Error::NoSpace)
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}
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}
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fn get_cluster_index(&self, cluster_id: u32) -> Option<usize> {
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self.clusters.iter().position(|c| c.base().id == cluster_id)
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}
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pub fn get_cluster(&self, cluster_id: u32) -> Result<&dyn ClusterType, Error> {
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let index = self
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.get_cluster_index(cluster_id)
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.ok_or(Error::ClusterNotFound)?;
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Ok(self.clusters[index].as_ref())
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}
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pub fn get_cluster_mut(&mut self, cluster_id: u32) -> Result<&mut dyn ClusterType, Error> {
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let index = self
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.get_cluster_index(cluster_id)
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.ok_or(Error::ClusterNotFound)?;
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Ok(self.clusters[index].as_mut())
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}
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// Returns a slice of clusters, with either a single cluster or all (wildcard)
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pub fn get_wildcard_clusters(
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&self,
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cluster: Option<u32>,
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) -> Result<(&[Box<dyn ClusterType>], bool), IMStatusCode> {
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if let Some(c) = cluster {
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if let Some(i) = self.get_cluster_index(c) {
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Ok((&self.clusters[i..i + 1], false))
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} else {
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Err(IMStatusCode::UnsupportedCluster)
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}
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} else {
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Ok((self.clusters.as_slice(), true))
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}
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}
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// Returns a slice of clusters, with either a single cluster or all (wildcard)
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pub fn get_wildcard_clusters_mut(
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&mut self,
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cluster: Option<u32>,
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) -> Result<(&mut [Box<dyn ClusterType>], bool), IMStatusCode> {
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if let Some(c) = cluster {
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if let Some(i) = self.get_cluster_index(c) {
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Ok((&mut self.clusters[i..i + 1], false))
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} else {
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Err(IMStatusCode::UnsupportedCluster)
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}
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} else {
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Ok((&mut self.clusters[..], true))
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}
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}
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}
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impl std::fmt::Display for Endpoint {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "clusters:[")?;
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let mut comma = "";
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for element in self.clusters.iter() {
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write!(f, "{} {{ {} }}", comma, element.base())?;
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comma = ", ";
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}
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write!(f, "]")
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}
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}
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