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tape: improve EOT error handling

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This commit is contained in:
Dietmar Maurer
2021-04-12 11:25:40 +02:00
parent 164ad7b706
commit 318b310638
10 changed files with 152 additions and 116 deletions
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27
src/api2/tape/restore.rs
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@ -70,6 +70,7 @@ use crate::{
tape::{
TAPE_STATUS_DIR,
TapeRead,
BlockReadError,
MediaId,
MediaSet,
MediaCatalog,
@ -418,12 +419,19 @@ pub fn restore_media(
loop {
let current_file_number = drive.current_file_number()?;
let reader = match drive.read_next_file()? {
None => {
let reader = match drive.read_next_file() {
Err(BlockReadError::EndOfFile) => {
task_log!(worker, "skip unexpected filemark at pos {}", current_file_number);
continue;
}
Err(BlockReadError::EndOfStream) => {
task_log!(worker, "detected EOT after {} files", current_file_number);
break;
}
Some(reader) => reader,
Err(BlockReadError::Error(err)) => {
return Err(err.into());
}
Ok(reader) => reader,
};
restore_archive(worker, reader, current_file_number, target, &mut catalog, verbose)?;
@ -811,12 +819,19 @@ pub fn fast_catalog_restore(
let current_file_number = drive.current_file_number()?;
{ // limit reader scope
let mut reader = match drive.read_next_file()? {
None => {
let mut reader = match drive.read_next_file() {
Err(BlockReadError::EndOfFile) => {
task_log!(worker, "skip unexpected filemark at pos {}", current_file_number);
continue;
}
Err(BlockReadError::EndOfStream) => {
task_log!(worker, "detected EOT after {} files", current_file_number);
break;
}
Some(reader) => reader,
Err(BlockReadError::Error(err)) => {
return Err(err.into());
}
Ok(reader) => reader,
};
let header: MediaContentHeader = unsafe { reader.read_le_value()? };