Skip to content
This repository was archived by the owner on Jan 22, 2025. It is now read-only.

Use regex in get_snapshot_file_kind #27728

Merged
apfitzge merged 1 commit into from
Sep 22, 2022
Merged

Use regex in get_snapshot_file_kind #27728

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
41 changes: 15 additions & 26 deletions runtime/src/snapshot_utils/snapshot_storage_rebuilder.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ use {
iter::{IntoParallelIterator, ParallelIterator},
ThreadPool, ThreadPoolBuilder,
},
regex::Regex,
solana_sdk::clock::Slot,
std::{
collections::HashMap,
Expand Down Expand Up @@ -348,32 +349,20 @@ enum SnapshotFileKind {

/// Determines `SnapshotFileKind` for `filename` if any
fn get_snapshot_file_kind(filename: &str) -> Option<SnapshotFileKind> {
Copy link
Copy Markdown
Contributor Author

@apfitzge apfitzge Sep 12, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Is something like this what you had in mind @brooksprumo?

Copy link
Copy Markdown
Contributor

@brooksprumo brooksprumo Sep 12, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yes! Looks good to me. Thanks for doing this.

if filename == "version" {
return Some(SnapshotFileKind::Version);
}

let mut periods = 0;
let mut saw_numbers = false;
for x in filename.chars() {
if !x.is_ascii_digit() {
if x == '.' {
if periods > 0 || !saw_numbers {
return None;
}
saw_numbers = false;
periods += 1;
} else {
return None;
}
} else {
saw_numbers = true;
}
}

match (periods, saw_numbers) {
(0, true) => Some(SnapshotFileKind::BankFields),
(1, true) => Some(SnapshotFileKind::Storage),
(_, _) => None,
lazy_static! {
static ref VERSION_FILE_REGEX: Regex = Regex::new(r"^version$").unwrap();
static ref BANK_FIELDS_FILE_REGEX: Regex = Regex::new(r"^[0-9]+$").unwrap();
static ref STORAGE_FILE_REGEX: Regex = Regex::new(r"^[0-9]+\.[0-9]+$").unwrap();
};

if VERSION_FILE_REGEX.is_match(filename) {
Some(SnapshotFileKind::Version)
} else if BANK_FIELDS_FILE_REGEX.is_match(filename) {
Some(SnapshotFileKind::BankFields)
} else if STORAGE_FILE_REGEX.is_match(filename) {
Some(SnapshotFileKind::Storage)
} else {
None
}
}

Expand Down