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// This file is part of linux-support. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT. No part of linux-support, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2020 The developers of linux-support. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT.
#[allow(missing_docs)]
#[derive(Debug)]
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields)]
pub struct ProcSysFileDiagnostic(ByteBuf);
impl ProcSysFileDiagnostic
{
fn gather(proc_path: &ProcPath) -> BTreeMap<PathBuf, Self>
{
let mut all = BTreeMap::new();
let root_folder_path = proc_path.sys_folder_path();
let mut folder_paths = vec![root_folder_path];
while let Some(folder_path) = folder_paths.pop()
{
if let Ok(read_dir) = (&folder_path).read_dir()
{
for dir_entry in read_dir
{
if let Ok(dir_entry) = dir_entry
{
if let Ok(metadata) = dir_entry.metadata()
{
if metadata.is_dir()
{
folder_paths.push(dir_entry.path())
}
else if metadata.is_file()
{
let file_path = dir_entry.path();
if let Ok(mut file) = File::open(&file_path)
{
let mut buffer = Vec::with_capacity(64);
if let Ok(_number_of_bytes_read) = file.read_to_end(&mut buffer)
{
buffer.shrink_to_fit();
all.insert(file_path, Self(ByteBuf::from(buffer)));
}
}
}
}
}
}
}
}
all
}
}