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@ -33,7 +33,10 @@ use {
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common::interface::fs::{File, FileExt, FileSystem, FileWriteExt},
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v2::raw::journal::{
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create_journal, open_journal,
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raw::{obtain_trace, DriverEvent, JournalReaderTraceEvent, RawJournalWriter},
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raw::{
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obtain_offsets, obtain_trace, DriverEvent, JournalReaderTraceEvent,
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RawJournalWriter,
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},
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repair_journal, JournalRepairMode, JournalSettings, RepairResult,
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},
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},
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@ -52,16 +55,16 @@ fn create_trimmed_file(from: &str, to: &str, trim_to: u64) -> IoResult<()> {
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#[test]
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fn corruption_at_close() {
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let initializers: Vec<fn() -> RuntimeResult<(&'static str, u64)>> = vec![
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|| {
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let jrnl_id = "close_event_corruption_empty.db";
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let initializers: Vec<(&'static str, fn(&str) -> RuntimeResult<u64>)> = vec![
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// open and close
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("close_event_corruption_empty.db", |jrnl_id| {
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let mut jrnl = create_journal::<SimpleDBJournal>(jrnl_id)?;
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RawJournalWriter::close_driver(&mut jrnl)?;
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Ok((jrnl_id, 0))
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},
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|| {
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Ok(0)
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}),
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// open, apply mix of events, close
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("close_event_corruption.db", |jrnl_id| {
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let mut operation_count = 0;
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let jrnl_id = "close_event_corruption.db";
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let mut sdb = SimpleDB::new();
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let mut jrnl = create_journal::<SimpleDBJournal>(jrnl_id)?;
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for num in 1..=100 {
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@ -73,14 +76,40 @@ fn corruption_at_close() {
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}
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}
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RawJournalWriter::close_driver(&mut jrnl)?;
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Ok((jrnl_id, operation_count))
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},
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Ok(operation_count)
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}),
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// open, close, reinit, close
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(
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"close_event_corruption_open_close_open_close.db",
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|jrnl_id| {
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// open and close
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let mut jrnl = create_journal::<SimpleDBJournal>(jrnl_id)?;
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RawJournalWriter::close_driver(&mut jrnl)?;
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drop(jrnl);
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// reinit and close
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let mut jrnl = open_journal::<SimpleDBJournal>(
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jrnl_id,
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&SimpleDB::new(),
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JournalSettings::default(),
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)?;
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RawJournalWriter::close_driver(&mut jrnl)?;
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Ok(2)
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},
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),
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];
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for initializer in initializers {
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for (journal_id, initializer) in initializers {
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// initialize journal, get size and clear traces
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let (journal_id, next_id) = initializer().unwrap();
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let close_event_id = match initializer(journal_id) {
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Ok(nid) => nid,
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Err(e) => panic!(
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"failed to initialize {journal_id} due to {e}. trace: {:?}, file_data={:?}",
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obtain_trace(),
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FileSystem::read(journal_id),
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),
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};
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let journal_size = File::open(journal_id).unwrap().f_len().unwrap();
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let _ = obtain_trace();
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let _ = obtain_offsets();
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// now trim and repeat
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for (trim_size, new_size) in (1..=DriverEvent::FULL_EVENT_SIZE)
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.rev()
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@ -103,7 +132,7 @@ fn corruption_at_close() {
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let trace = obtain_trace();
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if trim_size > (DriverEvent::FULL_EVENT_SIZE - (sizeof!(u128) + sizeof!(u64))) {
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// the amount of trim from the end of the file causes us to lose valuable metadata
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if next_id == 0 {
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if close_event_id == 0 {
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// empty log
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assert_eq!(
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trace,
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@ -122,14 +151,14 @@ fn corruption_at_close() {
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}
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} else {
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// the amount of trim still allows us to read some metadata
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if next_id == 0 {
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if close_event_id == 0 {
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// empty log
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assert_eq!(
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trace,
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intovec![
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JournalReaderTraceEvent::Initialized,
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JournalReaderTraceEvent::LookingForEvent,
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JournalReaderTraceEvent::AttemptingEvent(next_id),
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JournalReaderTraceEvent::AttemptingEvent(close_event_id),
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JournalReaderTraceEvent::DriverEventExpectingClose,
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],
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"failed at trim_size {trim_size} for journal {journal_id}"
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@ -139,7 +168,7 @@ fn corruption_at_close() {
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&trace[trace.len() - 3..],
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&into_array![
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JournalReaderTraceEvent::LookingForEvent,
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JournalReaderTraceEvent::AttemptingEvent(next_id),
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JournalReaderTraceEvent::AttemptingEvent(close_event_id),
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JournalReaderTraceEvent::DriverEventExpectingClose
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],
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"failed at trim_size {trim_size} for journal {journal_id}"
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@ -168,6 +197,7 @@ fn corruption_at_close() {
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RawJournalWriter::close_driver(&mut jrnl).unwrap();
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// clear trace
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let _ = obtain_trace();
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let _ = obtain_offsets();
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}
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}
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}
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