refactor: split up force_state
This commit is contained in:
parent
dcdbcc0851
commit
cc80152889
2 changed files with 62 additions and 51 deletions
|
@ -3,62 +3,16 @@ pub struct Service<D: Data> {
|
|||
}
|
||||
|
||||
impl Service {
|
||||
/// Force the creation of a new StateHash and insert it into the db.
|
||||
///
|
||||
/// Whatever `state` is supplied to `force_state` becomes the new current room state snapshot.
|
||||
/// Set the room to the given statehash and update caches.
|
||||
#[tracing::instrument(skip(self, new_state_ids_compressed, db))]
|
||||
pub fn force_state(
|
||||
&self,
|
||||
room_id: &RoomId,
|
||||
new_state_ids_compressed: HashSet<CompressedStateEvent>,
|
||||
shortstatehash: u64,
|
||||
statediffnew :HashSet<CompressedStateEvent>,
|
||||
statediffremoved :HashSet<CompressedStateEvent>,
|
||||
db: &Database,
|
||||
) -> Result<()> {
|
||||
let previous_shortstatehash = self.d.current_shortstatehash(room_id)?;
|
||||
|
||||
let state_hash = self.calculate_hash(
|
||||
&new_state_ids_compressed
|
||||
.iter()
|
||||
.map(|bytes| &bytes[..])
|
||||
.collect::<Vec<_>>(),
|
||||
);
|
||||
|
||||
let (new_shortstatehash, already_existed) =
|
||||
self.get_or_create_shortstatehash(&state_hash, &db.globals)?;
|
||||
|
||||
if Some(new_shortstatehash) == previous_shortstatehash {
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let states_parents = previous_shortstatehash
|
||||
.map_or_else(|| Ok(Vec::new()), |p| self.load_shortstatehash_info(p))?;
|
||||
|
||||
let (statediffnew, statediffremoved) = if let Some(parent_stateinfo) = states_parents.last()
|
||||
{
|
||||
let statediffnew: HashSet<_> = new_state_ids_compressed
|
||||
.difference(&parent_stateinfo.1)
|
||||
.copied()
|
||||
.collect();
|
||||
|
||||
let statediffremoved: HashSet<_> = parent_stateinfo
|
||||
.1
|
||||
.difference(&new_state_ids_compressed)
|
||||
.copied()
|
||||
.collect();
|
||||
|
||||
(statediffnew, statediffremoved)
|
||||
} else {
|
||||
(new_state_ids_compressed, HashSet::new())
|
||||
};
|
||||
|
||||
if !already_existed {
|
||||
self.save_state_from_diff(
|
||||
new_shortstatehash,
|
||||
statediffnew.clone(),
|
||||
statediffremoved,
|
||||
2, // every state change is 2 event changes on average
|
||||
states_parents,
|
||||
)?;
|
||||
};
|
||||
|
||||
for event_id in statediffnew.into_iter().filter_map(|new| {
|
||||
self.parse_compressed_state_event(new)
|
||||
|
|
|
@ -241,6 +241,64 @@
|
|||
Ok(())
|
||||
}
|
||||
|
||||
/// Returns the new shortstatehash
|
||||
pub fn save_state(
|
||||
room_id: &RoomId,
|
||||
new_state_ids_compressed: HashSet<CompressedStateEvent>,
|
||||
) -> Result<(u64,
|
||||
HashSet<CompressedStateEvent>, // added
|
||||
HashSet<CompressedStateEvent>)> // removed
|
||||
{
|
||||
let previous_shortstatehash = self.d.current_shortstatehash(room_id)?;
|
||||
|
||||
let state_hash = self.calculate_hash(
|
||||
&new_state_ids_compressed
|
||||
.iter()
|
||||
.map(|bytes| &bytes[..])
|
||||
.collect::<Vec<_>>(),
|
||||
);
|
||||
|
||||
let (new_shortstatehash, already_existed) =
|
||||
self.get_or_create_shortstatehash(&state_hash, &db.globals)?;
|
||||
|
||||
if Some(new_shortstatehash) == previous_shortstatehash {
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let states_parents = previous_shortstatehash
|
||||
.map_or_else(|| Ok(Vec::new()), |p| self.load_shortstatehash_info(p))?;
|
||||
|
||||
let (statediffnew, statediffremoved) = if let Some(parent_stateinfo) = states_parents.last()
|
||||
{
|
||||
let statediffnew: HashSet<_> = new_state_ids_compressed
|
||||
.difference(&parent_stateinfo.1)
|
||||
.copied()
|
||||
.collect();
|
||||
|
||||
let statediffremoved: HashSet<_> = parent_stateinfo
|
||||
.1
|
||||
.difference(&new_state_ids_compressed)
|
||||
.copied()
|
||||
.collect();
|
||||
|
||||
(statediffnew, statediffremoved)
|
||||
} else {
|
||||
(new_state_ids_compressed, HashSet::new())
|
||||
};
|
||||
|
||||
if !already_existed {
|
||||
self.save_state_from_diff(
|
||||
new_shortstatehash,
|
||||
statediffnew.clone(),
|
||||
statediffremoved,
|
||||
2, // every state change is 2 event changes on average
|
||||
states_parents,
|
||||
)?;
|
||||
};
|
||||
|
||||
Ok((new_shortstatehash, statediffnew, statediffremoved))
|
||||
}
|
||||
|
||||
#[tracing::instrument(skip(self))]
|
||||
pub fn get_auth_chain_from_cache<'a>(
|
||||
&'a self,
|
||||
|
@ -298,4 +356,3 @@
|
|||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
Loading…
Add table
Reference in a new issue