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use std::fs;
use std::path;
use std::sync::mpsc;
use std::thread;
use super::rename_filename_conflict;
#[derive(Clone, Copy, Debug)]
pub enum FileOp {
Cut,
Copy,
}
#[derive(Clone, Debug)]
pub struct IOWorkerOptions {
pub kind: FileOp,
pub overwrite: bool,
pub skip_exist: bool,
}
impl std::default::Default for IOWorkerOptions {
fn default() -> Self {
Self {
kind: FileOp::Copy,
overwrite: false,
skip_exist: false,
}
}
}
#[derive(Debug)]
pub struct IOWorkerThread {
pub options: IOWorkerOptions,
pub paths: Vec<path::PathBuf>,
pub dest: path::PathBuf,
}
impl IOWorkerThread {
pub fn new(options: IOWorkerOptions, paths: Vec<path::PathBuf>, dest: path::PathBuf) -> Self {
Self {
options,
paths,
dest,
}
}
pub fn start(&self, tx: mpsc::Sender<u64>) -> std::io::Result<u64> {
match self.options.kind {
FileOp::Cut => self.paste_cut(tx),
FileOp::Copy => self.paste_copy(tx),
}
}
fn paste_copy(&self, tx: mpsc::Sender<u64>) -> std::io::Result<u64> {
let mut total = 0;
for path in self.paths.iter() {
total += self.recursive_copy(path.as_path(), self.dest.as_path())?;
tx.send(total);
}
Ok(total)
}
fn recursive_copy(&self, src: &path::Path, dest: &path::Path) -> std::io::Result<u64> {
let mut dest_buf = dest.to_path_buf();
if let Some(s) = src.file_name() {
dest_buf.push(s);
}
rename_filename_conflict(&mut dest_buf);
let file_type = fs::symlink_metadata(src)?.file_type();
if file_type.is_dir() {
fs::create_dir(dest_buf.as_path())?;
let mut total = 0;
for entry in fs::read_dir(src)? {
let entry = entry?;
let entry_path = entry.path();
total += self.recursive_copy(entry_path.as_path(), dest_buf.as_path())?;
}
Ok(total)
} else if file_type.is_file() {
fs::copy(src, dest_buf)
} else if file_type.is_symlink() {
let link_path = fs::read_link(src)?;
std::os::unix::fs::symlink(link_path, dest_buf)?;
Ok(0)
} else {
Ok(0)
}
}
fn paste_cut(&self, tx: mpsc::Sender<u64>) -> std::io::Result<u64> {
let mut total = 0;
for path in self.paths.iter() {
total += self.recursive_cut(path.as_path(), self.dest.as_path())?;
tx.send(total);
}
Ok(total)
}
pub fn recursive_cut(&self, src: &path::Path, dest: &path::Path) -> std::io::Result<u64> {
let mut dest_buf = dest.to_path_buf();
if let Some(s) = src.file_name() {
dest_buf.push(s);
}
rename_filename_conflict(&mut dest_buf);
let metadata = fs::symlink_metadata(src)?;
let file_type = metadata.file_type();
if file_type.is_dir() {
match fs::rename(src, dest_buf.as_path()) {
Ok(_) => Ok(metadata.len()),
Err(e) => {
let mut total = 0;
fs::create_dir(dest_buf.as_path())?;
for entry in fs::read_dir(src)? {
let entry = entry?;
let entry_path = entry.path();
total += self.recursive_cut(entry_path.as_path(), dest_buf.as_path())?;
}
fs::remove_dir(src)?;
Ok(total)
}
}
} else if file_type.is_file() {
if fs::rename(src, dest_buf.as_path()).is_err() {
fs::copy(src, dest_buf.as_path())?;
fs::remove_file(src)?;
}
Ok(metadata.len())
} else if file_type.is_symlink() {
let link_path = fs::read_link(src)?;
std::os::unix::fs::symlink(link_path, dest_buf)?;
fs::remove_file(src)?;
Ok(metadata.len())
} else {
Ok(0)
}
}
}
|
