use io_format_err, io_bail, io_err_other from proxmox-lang

and move the comment from the local io_bail in pbs-client/src/pxar/fuse.rs
to the only use

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Dominik Csapak 2022-02-21 11:39:18 +01:00 committed by Wolfgang Bumiller
parent b066586a47
commit f26d7ca5c5
16 changed files with 59 additions and 69 deletions

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@ -25,6 +25,7 @@ use pxar::accessor::{self, EntryRangeInfo, ReadAt};
use proxmox_fuse::requests::{self, FuseRequest};
use proxmox_fuse::{EntryParam, Fuse, ReplyBufState, Request, ROOT_ID};
use proxmox_lang::io_format_err;
use proxmox_sys::fs::xattr;
/// We mark inodes for regular files this way so we know how to access them.
@ -110,20 +111,6 @@ macro_rules! io_return {
}};
}
/// Format an "other" error, see `io_bail` below for details.
macro_rules! io_format_err {
($($fmt:tt)*) => {
::std::io::Error::new(::std::io::ErrorKind::Other, format!($($fmt)*))
}
}
/// We use this to bail out of a functionin an unexpected error case. This will cause the fuse
/// request to be answered with a generic `EIO` error code. The error message contained in here
/// will be printed to stdout if the verbose flag is used, otherwise silently dropped.
macro_rules! io_bail {
($($fmt:tt)*) => { return Err(io_format_err!($($fmt)*).into()); }
}
/// This is what we need to cache as a "lookup" entry. The kernel assumes that these are easily
/// accessed.
struct Lookup {
@ -157,7 +144,10 @@ impl Lookup {
loop {
let old = self.refs.load(Ordering::Acquire);
if count >= old {
io_bail!("reference count underflow");
// We use this to bail out of a functionin an unexpected error case. This will cause the fuse
// request to be answered with a generic `EIO` error code. The error message contained in here
// will be printed to stdout if the verbose flag is used, otherwise silently dropped.
return Err(io_format_err!("reference count underflow").into());
}
let new = old - count;
match self

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@ -10,8 +10,8 @@ use anyhow::Error;
use futures::ready;
use tokio::io::{AsyncRead, AsyncSeek, ReadBuf};
use proxmox_sys::io_format_err;
use proxmox_sys::error::io_err_other;
use proxmox_lang::io_format_err;
use proxmox_lang::error::io_err_other;
use pbs_tools::async_lru_cache::{AsyncCacher, AsyncLruCache};

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@ -69,11 +69,11 @@ impl <R: BlockRead> BlockedReader<R> {
fn check_buffer(buffer: &BlockHeader, seq_nr: u32) -> Result<(usize, bool), std::io::Error> {
if buffer.magic != PROXMOX_TAPE_BLOCK_HEADER_MAGIC_1_0 {
proxmox_sys::io_bail!("detected tape block with wrong magic number - not written by proxmox tape");
proxmox_lang::io_bail!("detected tape block with wrong magic number - not written by proxmox tape");
}
if seq_nr != buffer.seq_nr() {
proxmox_sys::io_bail!(
proxmox_lang::io_bail!(
"detected tape block with wrong sequence number ({} != {})",
seq_nr, buffer.seq_nr())
}
@ -82,9 +82,9 @@ impl <R: BlockRead> BlockedReader<R> {
let found_end_marker = buffer.flags.contains(BlockHeaderFlags::END_OF_STREAM);
if size > buffer.payload.len() {
proxmox_sys::io_bail!("detected tape block with wrong payload size ({} > {}", size, buffer.payload.len());
proxmox_lang::io_bail!("detected tape block with wrong payload size ({} > {}", size, buffer.payload.len());
} else if size == 0 && !found_end_marker {
proxmox_sys::io_bail!("detected tape block with zero payload size");
proxmox_lang::io_bail!("detected tape block with zero payload size");
}
@ -103,7 +103,7 @@ impl <R: BlockRead> BlockedReader<R> {
let bytes = reader.read_block(data)?;
if bytes != BlockHeader::SIZE {
return Err(proxmox_sys::io_format_err!("got wrong block size").into());
return Err(proxmox_lang::io_format_err!("got wrong block size").into());
}
Ok(())
@ -113,13 +113,13 @@ impl <R: BlockRead> BlockedReader<R> {
let mut tmp_buf = [0u8; 512]; // use a small buffer for testing EOF
match reader.read_block(&mut tmp_buf) {
Ok(_) => {
proxmox_sys::io_bail!("detected tape block after block-stream end marker");
proxmox_lang::io_bail!("detected tape block after block-stream end marker");
}
Err(BlockReadError::EndOfFile) => {
Ok(())
}
Err(BlockReadError::EndOfStream) => {
proxmox_sys::io_bail!("got unexpected end of tape");
proxmox_lang::io_bail!("got unexpected end of tape");
}
Err(BlockReadError::Error(err)) => {
Err(err)
@ -135,12 +135,12 @@ impl <R: BlockRead> BlockedReader<R> {
self.got_eod = true;
self.read_pos = self.buffer.payload.len();
if !self.found_end_marker && check_end_marker {
proxmox_sys::io_bail!("detected tape stream without end marker");
proxmox_lang::io_bail!("detected tape stream without end marker");
}
return Ok(0); // EOD
}
Err(BlockReadError::EndOfStream) => {
proxmox_sys::io_bail!("got unexpected end of tape");
proxmox_lang::io_bail!("got unexpected end of tape");
}
Err(BlockReadError::Error(err)) => {
return Err(err);
@ -167,10 +167,10 @@ impl <R: BlockRead> TapeRead for BlockedReader<R> {
fn is_incomplete(&self) -> Result<bool, std::io::Error> {
if !self.got_eod {
proxmox_sys::io_bail!("is_incomplete failed: EOD not reached");
proxmox_lang::io_bail!("is_incomplete failed: EOD not reached");
}
if !self.found_end_marker {
proxmox_sys::io_bail!("is_incomplete failed: no end marker found");
proxmox_lang::io_bail!("is_incomplete failed: no end marker found");
}
Ok(self.incomplete)
@ -178,7 +178,7 @@ impl <R: BlockRead> TapeRead for BlockedReader<R> {
fn has_end_marker(&self) -> Result<bool, std::io::Error> {
if !self.got_eod {
proxmox_sys::io_bail!("has_end_marker failed: EOD not reached");
proxmox_lang::io_bail!("has_end_marker failed: EOD not reached");
}
Ok(self.found_end_marker)
@ -207,7 +207,7 @@ impl <R: BlockRead> Read for BlockedReader<R> {
fn read(&mut self, buffer: &mut [u8]) -> Result<usize, std::io::Error> {
if self.read_error {
proxmox_sys::io_bail!("detected read after error - internal error");
proxmox_lang::io_bail!("detected read after error - internal error");
}
let mut buffer_size = self.buffer.size();

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@ -65,7 +65,7 @@ impl <W: BlockWrite> BlockedWriter<W> {
fn write_eof(&mut self) -> Result<(), std::io::Error> {
if self.wrote_eof {
proxmox_sys::io_bail!("BlockedWriter: detected multiple EOF writes");
proxmox_lang::io_bail!("BlockedWriter: detected multiple EOF writes");
}
self.wrote_eof = true;

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@ -22,7 +22,7 @@ impl <R: Read> EmulateTapeReader<R> {
impl <R: Read> BlockRead for EmulateTapeReader<R> {
fn read_block(&mut self, buffer: &mut [u8]) -> Result<usize, BlockReadError> {
if self.got_eof {
return Err(BlockReadError::Error(proxmox_sys::io_format_err!("detected read after EOF!")));
return Err(BlockReadError::Error(proxmox_lang::io_format_err!("detected read after EOF!")));
}
match self.reader.read_exact_or_eof(buffer)? {
false => {
@ -33,7 +33,7 @@ impl <R: Read> BlockRead for EmulateTapeReader<R> {
// test buffer len after EOF test (to allow EOF test with small buffers in BufferedReader)
if buffer.len() != PROXMOX_TAPE_BLOCK_SIZE {
return Err(BlockReadError::Error(
proxmox_sys::io_format_err!(
proxmox_lang::io_format_err!(
"EmulateTapeReader: read_block with wrong block size ({} != {})",
buffer.len(),
PROXMOX_TAPE_BLOCK_SIZE,

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@ -39,7 +39,7 @@ impl <W: Write> BlockWrite for EmulateTapeWriter<W> {
fn write_block(&mut self, buffer: &[u8]) -> Result<bool, io::Error> {
if buffer.len() != PROXMOX_TAPE_BLOCK_SIZE {
proxmox_sys::io_bail!("EmulateTapeWriter: got write with wrong block size ({} != {}",
proxmox_lang::io_bail!("EmulateTapeWriter: got write with wrong block size ({} != {}",
buffer.len(), PROXMOX_TAPE_BLOCK_SIZE);
}
@ -59,7 +59,7 @@ impl <W: Write> BlockWrite for EmulateTapeWriter<W> {
fn write_filemark(&mut self) -> Result<(), std::io::Error> {
if self.wrote_eof {
proxmox_sys::io_bail!("EmulateTapeWriter: detected multiple EOF writes");
proxmox_lang::io_bail!("EmulateTapeWriter: detected multiple EOF writes");
}
// do nothing, just record the call
self.wrote_eof = true;

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@ -528,11 +528,11 @@ impl SgTape {
) -> Result<(), std::io::Error> {
if count > 255 {
proxmox_sys::io_bail!("write_filemarks failed: got strange count '{}'", count);
proxmox_lang::io_bail!("write_filemarks failed: got strange count '{}'", count);
}
let mut sg_raw = SgRaw::new(&mut self.file, 16)
.map_err(|err| proxmox_sys::io_format_err!("write_filemarks failed (alloc) - {}", err))?;
.map_err(|err| proxmox_lang::io_format_err!("write_filemarks failed (alloc) - {}", err))?;
sg_raw.set_timeout(Self::SCSI_TAPE_DEFAULT_TIMEOUT);
let mut cmd = Vec::new();
@ -551,7 +551,7 @@ impl SgTape {
/* LEOM - ignore */
}
Err(err) => {
proxmox_sys::io_bail!("write filemark failed - {}", err);
proxmox_lang::io_bail!("write filemark failed - {}", err);
}
}
@ -630,7 +630,7 @@ impl SgTape {
let transfer_len = data.len();
if transfer_len > 0x800000 {
proxmox_sys::io_bail!("write failed - data too large");
proxmox_lang::io_bail!("write failed - data too large");
}
let mut sg_raw = SgRaw::new(&mut self.file, 0)
@ -654,7 +654,7 @@ impl SgTape {
Ok(true) // LEOM
}
Err(err) => {
proxmox_sys::io_bail!("write failed - {}", err);
proxmox_lang::io_bail!("write failed - {}", err);
}
}
}
@ -664,7 +664,7 @@ impl SgTape {
if transfer_len > 0xFFFFFF {
return Err(BlockReadError::Error(
proxmox_sys::io_format_err!("read failed - buffer too large")
proxmox_lang::io_format_err!("read failed - buffer too large")
));
}
@ -691,14 +691,14 @@ impl SgTape {
}
Err(err) => {
return Err(BlockReadError::Error(
proxmox_sys::io_format_err!("read failed - {}", err)
proxmox_lang::io_format_err!("read failed - {}", err)
));
}
};
if data.len() != transfer_len {
return Err(BlockReadError::Error(
proxmox_sys::io_format_err!("read failed - unexpected block len ({} != {})", data.len(), buffer.len())
proxmox_lang::io_format_err!("read failed - unexpected block len ({} != {})", data.len(), buffer.len())
));
}
@ -949,7 +949,7 @@ impl <'a> BlockRead for SgTapeReader<'a> {
fn read_block(&mut self, buffer: &mut [u8]) -> Result<usize, BlockReadError> {
if self.end_of_file {
return Err(BlockReadError::Error(proxmox_sys::io_format_err!("detected read after EOF!")));
return Err(BlockReadError::Error(proxmox_lang::io_format_err!("detected read after EOF!")));
}
match self.sg_tape.read_block(buffer) {
Ok(usize) => Ok(usize),

View File

@ -34,7 +34,7 @@ pub trait TapeWrite {
data: &[u8],
) -> Result<bool, std::io::Error> {
if header.size as usize != data.len() {
proxmox_sys::io_bail!("write_header with wrong size - internal error");
proxmox_lang::io_bail!("write_header with wrong size - internal error");
}
let header = header.to_le();

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@ -476,7 +476,7 @@ pub(crate) async fn handle_api_request<Env: RpcEnvironment, S: 'static + BuildHa
resp.map(|body| {
Body::wrap_stream(DeflateEncoder::with_quality(
TryStreamExt::map_err(body, |err| {
proxmox_sys::io_format_err!("error during compression: {}", err)
proxmox_lang::io_format_err!("error during compression: {}", err)
}),
Level::Default,
))

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@ -309,7 +309,7 @@ impl TapeDriver for VirtualTapeHandle {
Ok(Box::new(reader))
}
None => {
return Err(BlockReadError::Error(proxmox_sys::io_format_err!("drive is empty (no tape loaded).")));
return Err(BlockReadError::Error(proxmox_lang::io_format_err!("drive is empty (no tape loaded).")));
}
}
}
@ -362,7 +362,7 @@ impl TapeDriver for VirtualTapeHandle {
Ok(writer)
}
None => proxmox_sys::io_bail!("drive is empty (no tape loaded)."),
None => proxmox_lang::io_bail!("drive is empty (no tape loaded)."),
}
}

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@ -61,13 +61,13 @@ pub fn tape_write_catalog<'a>(
while remaining != 0 {
let got = file.read(&mut file_copy_buffer[..])?;
if got as u64 > remaining {
proxmox_sys::io_bail!("catalog '{}' changed while reading", uuid);
proxmox_lang::io_bail!("catalog '{}' changed while reading", uuid);
}
writer.write_all(&file_copy_buffer[..got])?;
remaining -= got as u64;
}
if remaining > 0 {
proxmox_sys::io_bail!("catalog '{}' shrunk while reading", uuid);
proxmox_lang::io_bail!("catalog '{}' shrunk while reading", uuid);
}
Ok(())
});

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@ -69,7 +69,7 @@ impl <'a> ChunkArchiveWriter<'a> {
fn write_all(&mut self, data: &[u8]) -> Result<bool, std::io::Error> {
match self.writer {
Some(ref mut writer) => writer.write_all(data),
None => proxmox_sys::io_bail!(
None => proxmox_lang::io_bail!(
"detected write after archive finished - internal error"),
}
}

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@ -48,23 +48,23 @@ impl <'a> Read for MultiVolumeReader<'a> {
if self.reader.is_none() {
let mut reader = (self.next_reader_fn)()
.map_err(|err| proxmox_sys::io_format_err!("multi-volume next failed: {}", err))?;
.map_err(|err| proxmox_lang::io_format_err!("multi-volume next failed: {}", err))?;
proxmox_lang::try_block!({
let part_header: MediaContentHeader = unsafe { reader.read_le_value()? };
self.reader = Some(reader);
if part_header.uuid != self.header.uuid {
proxmox_sys::io_bail!("got wrong part uuid");
proxmox_lang::io_bail!("got wrong part uuid");
}
if part_header.content_magic!= self.header.content_magic {
proxmox_sys::io_bail!("got wrong part content magic");
proxmox_lang::io_bail!("got wrong part content magic");
}
let expect_part_number = self.header.part_number + 1;
if part_header.part_number != expect_part_number {
proxmox_sys::io_bail!("got wrong part number ({} != {})",
proxmox_lang::io_bail!("got wrong part number ({} != {})",
part_header.part_number, expect_part_number);
}
@ -72,7 +72,7 @@ impl <'a> Read for MultiVolumeReader<'a> {
Ok(())
}).map_err(|err| {
proxmox_sys::io_format_err!("multi-volume read content header failed: {}", err)
proxmox_lang::io_format_err!("multi-volume read content header failed: {}", err)
})?;
}

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@ -53,16 +53,16 @@ impl <'a> TapeWrite for MultiVolumeWriter<'a> {
fn write_all(&mut self, buf: &[u8]) -> Result<bool, std::io::Error> {
if self.finished {
proxmox_sys::io_bail!("multi-volume writer already finished: internal error");
proxmox_lang::io_bail!("multi-volume writer already finished: internal error");
}
if self.got_leom {
if !self.wrote_header {
proxmox_sys::io_bail!("multi-volume writer: got LEOM before writing anything - internal error");
proxmox_lang::io_bail!("multi-volume writer: got LEOM before writing anything - internal error");
}
let mut writer = match self.writer.take() {
Some(writer) => writer,
None => proxmox_sys::io_bail!("multi-volume writer: no writer -internal error"),
None => proxmox_lang::io_bail!("multi-volume writer: no writer -internal error"),
};
self.bytes_written = writer.bytes_written();
writer.finish(true)?;
@ -70,11 +70,11 @@ impl <'a> TapeWrite for MultiVolumeWriter<'a> {
if self.writer.is_none() {
if self.header.part_number == u8::MAX {
proxmox_sys::io_bail!("multi-volume writer: too many parts");
proxmox_lang::io_bail!("multi-volume writer: too many parts");
}
self.writer = Some(
(self.next_writer_fn)()
.map_err(|err| proxmox_sys::io_format_err!("multi-volume get next volume failed: {}", err))?
.map_err(|err| proxmox_lang::io_format_err!("multi-volume get next volume failed: {}", err))?
);
self.got_leom = false;
self.wrote_header = false;
@ -107,12 +107,12 @@ impl <'a> TapeWrite for MultiVolumeWriter<'a> {
fn finish(&mut self, incomplete: bool) -> Result<bool, std::io::Error> {
if incomplete {
proxmox_sys::io_bail!(
proxmox_lang::io_bail!(
"incomplete flag makes no sense for multi-volume stream: internal error");
}
match self.writer.take() {
None if self.finished => proxmox_sys::io_bail!(
None if self.finished => proxmox_lang::io_bail!(
"multi-volume writer already finished: internal error"),
None => Ok(false),
Some(ref mut writer) => {

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@ -58,14 +58,14 @@ pub fn tape_write_snapshot_archive<'a>(
for filename in file_list.iter() {
let mut file = snapshot_reader.open_file(filename)
.map_err(|err| proxmox_sys::io_format_err!("open file '{}' failed - {}", filename, err))?;
.map_err(|err| proxmox_lang::io_format_err!("open file '{}' failed - {}", filename, err))?;
let metadata = file.metadata()?;
let file_size = metadata.len();
let metadata: pxar::Metadata = metadata.into();
if !metadata.is_regular_file() {
proxmox_sys::io_bail!("file '{}' is not a regular file", filename);
proxmox_lang::io_bail!("file '{}' is not a regular file", filename);
}
let mut remaining = file_size;
@ -73,14 +73,14 @@ pub fn tape_write_snapshot_archive<'a>(
while remaining != 0 {
let got = file.read(&mut file_copy_buffer[..])?;
if got as u64 > remaining {
proxmox_sys::io_bail!("file '{}' changed while reading", filename);
proxmox_lang::io_bail!("file '{}' changed while reading", filename);
}
out.write_all(&file_copy_buffer[..got])?;
remaining -= got as u64;
}
if remaining > 0 {
proxmox_sys::io_bail!("file '{}' shrunk while reading", filename);
proxmox_lang::io_bail!("file '{}' shrunk while reading", filename);
}
}
encoder.finish()?;

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@ -15,9 +15,9 @@ use once_cell::sync::OnceCell;
use ::serde::{Deserialize, Serialize};
use proxmox_schema::api;
use proxmox_sys::error::io_err_other;
use proxmox_lang::error::io_err_other;
use proxmox_sys::linux::procfs::{mountinfo::Device, MountInfo};
use proxmox_sys::{io_bail, io_format_err};
use proxmox_lang::{io_bail, io_format_err};
use pbs_api_types::{StorageStatus, BLOCKDEVICE_NAME_REGEX};