use std::fs;
use std::path::{Path, PathBuf};
+use std::io::{BufWriter, Write};
#[cfg(not(target_os = "windows"))]
use std::os::unix::io::AsRawFd;
};
pub(crate) trait DiskWriteable {
- fn write_to_file(&self, writer: &mut fs::File) -> Result<(), std::io::Error>;
+ fn write_to_file<W: Write>(&self, writer: &mut W) -> Result<(), std::io::Error>;
}
-pub(crate) fn get_full_filepath(filepath: String, filename: String) -> String {
- let mut path = PathBuf::from(filepath);
- path.push(filename);
- path.to_str().unwrap().to_string()
+pub(crate) fn get_full_filepath(mut filepath: PathBuf, filename: String) -> String {
+ filepath.push(filename);
+ filepath.to_str().unwrap().to_string()
}
#[cfg(target_os = "windows")]
}
#[allow(bare_trait_objects)]
-pub(crate) fn write_to_file<D: DiskWriteable>(path: String, filename: String, data: &D) -> std::io::Result<()> {
+pub(crate) fn write_to_file<D: DiskWriteable>(path: PathBuf, filename: String, data: &D) -> std::io::Result<()> {
fs::create_dir_all(path.clone())?;
// Do a crazy dance with lots of fsync()s to be overly cautious here...
// We never want to end up in a state where we've lost the old data, or end up using the
{
// Note that going by rust-lang/rust@d602a6b, on MacOS it is only safe to use
// rust stdlib 1.36 or higher.
- let mut f = fs::File::create(&tmp_filename)?;
- data.write_to_file(&mut f)?;
- f.sync_all()?;
+ let mut buf = BufWriter::new(fs::File::create(&tmp_filename)?);
+ data.write_to_file(&mut buf)?;
+ buf.into_inner()?.sync_all()?;
}
// Fsync the parent directory on Unix.
#[cfg(not(target_os = "windows"))]
use std::fs;
use std::io;
use std::io::Write;
+ use std::path::PathBuf;
struct TestWriteable{}
impl DiskWriteable for TestWriteable {
- fn write_to_file(&self, writer: &mut fs::File) -> Result<(), io::Error> {
+ fn write_to_file<W: Write>(&self, writer: &mut W) -> Result<(), io::Error> {
writer.write_all(&[42; 1])
}
}
let mut perms = fs::metadata(path.to_string()).unwrap().permissions();
perms.set_readonly(true);
fs::set_permissions(path.to_string(), perms).unwrap();
- match write_to_file(path.to_string(), filename, &test_writeable) {
+ match write_to_file(PathBuf::from(path.to_string()), filename, &test_writeable) {
Err(e) => assert_eq!(e.kind(), io::ErrorKind::PermissionDenied),
_ => panic!("Unexpected error message")
}
fn test_rename_failure() {
let test_writeable = TestWriteable{};
let filename = "test_rename_failure_filename";
- let path = "test_rename_failure_dir";
+ let path = PathBuf::from("test_rename_failure_dir");
// Create the channel data file and make it a directory.
- fs::create_dir_all(get_full_filepath(path.to_string(), filename.to_string())).unwrap();
- match write_to_file(path.to_string(), filename.to_string(), &test_writeable) {
- Err(e) => assert_eq!(e.kind(), io::ErrorKind::Other),
+ fs::create_dir_all(get_full_filepath(path.clone(), filename.to_string())).unwrap();
+ match write_to_file(path.clone(), filename.to_string(), &test_writeable) {
+ Err(e) => assert_eq!(e.raw_os_error(), Some(libc::EISDIR)),
_ => panic!("Unexpected Ok(())")
}
fs::remove_dir_all(path).unwrap();
fn test_diskwriteable_failure() {
struct FailingWriteable {}
impl DiskWriteable for FailingWriteable {
- fn write_to_file(&self, _writer: &mut fs::File) -> Result<(), std::io::Error> {
+ fn write_to_file<W: Write>(&self, _writer: &mut W) -> Result<(), std::io::Error> {
Err(std::io::Error::new(std::io::ErrorKind::Other, "expected failure"))
}
}
let filename = "test_diskwriteable_failure";
- let path = "test_diskwriteable_failure_dir";
+ let path = PathBuf::from("test_diskwriteable_failure_dir");
let test_writeable = FailingWriteable{};
- match write_to_file(path.to_string(), filename.to_string(), &test_writeable) {
+ match write_to_file(path.clone(), filename.to_string(), &test_writeable) {
Err(e) => {
assert_eq!(e.kind(), std::io::ErrorKind::Other);
assert_eq!(e.get_ref().unwrap().to_string(), "expected failure");
fn test_tmp_file_creation_failure() {
let test_writeable = TestWriteable{};
let filename = "test_tmp_file_creation_failure_filename".to_string();
- let path = "test_tmp_file_creation_failure_dir".to_string();
+ let path = PathBuf::from("test_tmp_file_creation_failure_dir");
// Create the tmp file and make it a directory.
let tmp_path = get_full_filepath(path.clone(), format!("{}.tmp", filename.clone()));
match write_to_file(path, filename, &test_writeable) {
Err(e) => {
#[cfg(not(target_os = "windows"))]
- assert_eq!(e.kind(), io::ErrorKind::Other);
+ assert_eq!(e.raw_os_error(), Some(libc::EISDIR));
#[cfg(target_os = "windows")]
assert_eq!(e.kind(), io::ErrorKind::PermissionDenied);
}