143 lines
3.7 KiB
Rust
143 lines
3.7 KiB
Rust
use anyhow::Result;
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use duct::{cmd, Expression};
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use std::fs::OpenOptions;
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use std::io::{Read, Write};
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use std::path::{Display, PathBuf};
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use std::str::from_utf8;
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use tempfile::{tempdir, TempDir};
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use thinp::file_utils;
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pub mod xml_generator;
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use crate::common::xml_generator::{write_xml, SingleThinS};
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//------------------------------------------
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// FIXME: write a macro to generate these commands
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#[macro_export]
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macro_rules! thin_check {
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( $( $arg: expr ),* ) => {
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{
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use std::ffi::OsString;
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let args: &[OsString] = &[$( Into::<OsString>::into($arg) ),*];
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duct::cmd("bin/thin_check", args).stdout_capture().stderr_capture()
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}
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};
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}
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#[macro_export]
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macro_rules! thin_restore {
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( $( $arg: expr ),* ) => {
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{
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use std::ffi::OsString;
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let args: &[OsString] = &[$( Into::<OsString>::into($arg) ),*];
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duct::cmd("bin/thin_restore", args).stdout_capture().stderr_capture()
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}
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};
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}
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#[macro_export]
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macro_rules! thin_dump {
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( $( $arg: expr ),* ) => {
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{
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use std::ffi::OsString;
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let args: &[OsString] = &[$( Into::<OsString>::into($arg) ),*];
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duct::cmd("bin/thin_dump", args).stdout_capture().stderr_capture()
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}
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};
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}
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#[macro_export]
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macro_rules! thin_rmap {
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( $( $arg: expr ),* ) => {
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{
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use std::ffi::OsString;
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let args: &[OsString] = &[$( Into::<OsString>::into($arg) ),*];
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duct::cmd("bin/thin_rmap", args).stdout_capture().stderr_capture()
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}
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};
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}
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//------------------------------------------
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pub struct TestDir {
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dir: TempDir,
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file_count: usize,
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}
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impl TestDir {
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pub fn new() -> Result<TestDir> {
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let dir = tempdir()?;
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Ok(TestDir { dir, file_count: 0 })
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}
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pub fn mk_path(&mut self, file: &str) -> PathBuf {
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let mut p = PathBuf::new();
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p.push(&self.dir);
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p.push(PathBuf::from(format!("{:02}_{}", self.file_count, file)));
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self.file_count += 1;
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p
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}
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}
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// Returns stderr, a non zero status must be returned
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pub fn run_fail(command: Expression) -> Result<String> {
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let output = command.stderr_capture().unchecked().run()?;
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assert!(!output.status.success());
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Ok(from_utf8(&output.stderr[0..]).unwrap().to_string())
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}
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pub fn mk_valid_xml(td: &mut TestDir) -> Result<PathBuf> {
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let xml = td.mk_path("meta.xml");
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let mut gen = SingleThinS::new(0, 1024, 2048, 2048);
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write_xml(&xml, &mut gen)?;
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Ok(xml)
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}
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pub fn mk_valid_md(td: &mut TestDir) -> Result<PathBuf> {
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let xml = td.mk_path("meta.xml");
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let md = td.mk_path("meta.bin");
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let mut gen = SingleThinS::new(0, 1024, 20480, 20480);
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write_xml(&xml, &mut gen)?;
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let _file = file_utils::create_sized_file(&md, 4096 * 4096);
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thin_restore!("-i", xml, "-o", &md).run()?;
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Ok(md)
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}
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pub fn mk_zeroed_md(td: &mut TestDir) -> Result<PathBuf> {
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let md = td.mk_path("meta.bin");
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eprintln!("path = {:?}", md);
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let _file = file_utils::create_sized_file(&md, 4096 * 4096);
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Ok(md)
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}
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pub fn accepts_flag(flag: &str) -> Result<()> {
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let mut td = TestDir::new()?;
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let md = mk_valid_md(&mut td)?;
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thin_check!(flag, &md).run()?;
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Ok(())
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}
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pub fn superblock_all_zeroes(path: &PathBuf) -> Result<bool> {
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let mut input = OpenOptions::new().read(true).write(false).open(path)?;
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let mut buf = vec![0; 4096];
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input.read_exact(&mut buf[0..])?;
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for b in buf {
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if b != 0 {
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return Ok(false);
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}
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}
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Ok(true)
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}
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pub fn damage_superblock(path: &PathBuf) -> Result<()> {
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let mut output = OpenOptions::new().read(false).write(true).open(path)?;
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let buf = [0u8; 512];
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output.write_all(&buf)?;
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Ok(())
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}
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//------------------------------------------
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