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record FoundIn with metrics instead of traces

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This is much more efficient in terms of network use and data storage,
and also easier to visualize.
This commit is contained in:
Charles Hall 2024-06-04 13:26:23 -07:00
parent 9364d44ce2
commit 0c2094a56f
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GPG key ID: 7B8E0645816E07CF
8 changed files with 142 additions and 68 deletions
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21
src/service/rooms/state_accessor.rs
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@ -28,8 +28,9 @@ use tokio::sync::MutexGuard;
use tracing::{error, warn};
use crate::{
observability::FoundIn, service::pdu::PduBuilder, services, Error,
PduEvent, Result,
observability::{FoundIn, Lookup, METRICS},
service::pdu::PduBuilder,
services, Error, PduEvent, Result,
};
pub(crate) struct Service {
@ -123,13 +124,15 @@ impl Service {
/// Whether a server is allowed to see an event through federation, based on
/// the room's history_visibility at that event's state.
#[tracing::instrument(skip(self), fields(cache_result))]
#[tracing::instrument(skip(self))]
pub(crate) fn server_can_see_event(
&self,
origin: &ServerName,
room_id: &RoomId,
event_id: &EventId,
) -> Result<bool> {
let lookup = Lookup::VisibilityForServer;
let Some(shortstatehash) = self.pdu_shortstatehash(event_id)? else {
return Ok(true);
};
@ -140,7 +143,7 @@ impl Service {
.unwrap()
.get_mut(&(origin.to_owned(), shortstatehash))
{
FoundIn::Cache.record("cache_result");
METRICS.record_lookup(lookup, FoundIn::Cache);
return Ok(*visibility);
}
@ -191,7 +194,7 @@ impl Service {
}
};
FoundIn::Database.record("cache_result");
METRICS.record_lookup(lookup, FoundIn::Database);
self.server_visibility_cache
.lock()
.unwrap()
@ -202,13 +205,15 @@ impl Service {
/// Whether a user is allowed to see an event, based on
/// the room's history_visibility at that event's state.
#[tracing::instrument(skip(self), fields(cache_result))]
#[tracing::instrument(skip(self))]
pub(crate) fn user_can_see_event(
&self,
user_id: &UserId,
room_id: &RoomId,
event_id: &EventId,
) -> Result<bool> {
let lookup = Lookup::VisibilityForUser;
let Some(shortstatehash) = self.pdu_shortstatehash(event_id)? else {
return Ok(true);
};
@ -219,7 +224,7 @@ impl Service {
.unwrap()
.get_mut(&(user_id.to_owned(), shortstatehash))
{
FoundIn::Cache.record("cache_result");
METRICS.record_lookup(lookup, FoundIn::Cache);
return Ok(*visibility);
}
@ -262,7 +267,7 @@ impl Service {
}
};
FoundIn::Database.record("cache_result");
METRICS.record_lookup(lookup, FoundIn::Database);
self.user_visibility_cache
.lock()
.unwrap()