mirror of
https://github.com/scsibug/nostr-rs-relay.git
synced 2024-11-13 22:49:07 -05:00
fix: retry event writes if DB is busy
This commit is contained in:
parent
35a1973a46
commit
136e41d234
|
@ -1,7 +1,7 @@
|
||||||
//! Event persistence and querying
|
//! Event persistence and querying
|
||||||
//use crate::config::SETTINGS;
|
//use crate::config::SETTINGS;
|
||||||
use crate::config::Settings;
|
use crate::config::Settings;
|
||||||
use crate::error::Result;
|
use crate::error::{Result,Error::SqlError};
|
||||||
use crate::event::{single_char_tagname, Event};
|
use crate::event::{single_char_tagname, Event};
|
||||||
use crate::hexrange::hex_range;
|
use crate::hexrange::hex_range;
|
||||||
use crate::hexrange::HexSearch;
|
use crate::hexrange::HexSearch;
|
||||||
|
@ -264,6 +264,8 @@ impl NostrRepo for SqliteRepo {
|
||||||
/// Persist event to database
|
/// Persist event to database
|
||||||
async fn write_event(&self, e: &Event) -> Result<u64> {
|
async fn write_event(&self, e: &Event) -> Result<u64> {
|
||||||
let start = Instant::now();
|
let start = Instant::now();
|
||||||
|
let max_write_attempts = 10;
|
||||||
|
let mut attempts = 0;
|
||||||
let _write_guard = self.write_in_progress.lock().await;
|
let _write_guard = self.write_in_progress.lock().await;
|
||||||
// spawn a blocking thread
|
// spawn a blocking thread
|
||||||
//let mut conn = self.write_pool.get()?;
|
//let mut conn = self.write_pool.get()?;
|
||||||
|
@ -271,7 +273,26 @@ impl NostrRepo for SqliteRepo {
|
||||||
let e = e.clone();
|
let e = e.clone();
|
||||||
let event_count = task::spawn_blocking(move || {
|
let event_count = task::spawn_blocking(move || {
|
||||||
let mut conn = pool.get()?;
|
let mut conn = pool.get()?;
|
||||||
SqliteRepo::persist_event(&mut conn, &e)
|
// this could fail because the database was busy; try
|
||||||
|
// multiple times before giving up.
|
||||||
|
loop {
|
||||||
|
attempts+=1;
|
||||||
|
let wr = SqliteRepo::persist_event(&mut conn, &e);
|
||||||
|
match wr {
|
||||||
|
Err(SqlError(rusqlite::Error::SqliteFailure(e,_))) => {
|
||||||
|
// this basically means that NIP-05 was
|
||||||
|
// writing to the database between us reading
|
||||||
|
// and promoting the connection to a write
|
||||||
|
// lock.
|
||||||
|
info!("event write failed, DB locked (attempt: {}); sqlite err: {}",
|
||||||
|
attempts, e.extended_code);
|
||||||
|
},
|
||||||
|
_ => {return wr;},
|
||||||
|
}
|
||||||
|
if attempts >= max_write_attempts {
|
||||||
|
return wr;
|
||||||
|
}
|
||||||
|
}
|
||||||
}).await?;
|
}).await?;
|
||||||
self.metrics
|
self.metrics
|
||||||
.write_events
|
.write_events
|
||||||
|
|
Loading…
Reference in New Issue
Block a user