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crypto: Fix a typo and improve some logs in the session sharing logic.

master
Damir Jelić 2021-03-02 12:54:22 +01:00
parent 3f7eae8633
commit bb358909ef
1 changed files with 23 additions and 15 deletions
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34
matrix_sdk_crypto/src/session_manager/group_sessions.rs
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@ -213,8 +213,8 @@ impl GroupSessionManager {
Ok((id, request, changed_sessions))
}
/// Given a list of user and an outbound session, return the list of users and
/// their devices that this session should be shared with.
/// Given a list of user and an outbound session, return the list of users
/// and their devices that this session should be shared with.
///
/// Returns a boolean indicating whether the session needs to be rotated and
/// the list of users/devices that should receive the session.
@ -236,7 +236,7 @@ impl GroupSessionManager {
let users_shared_with: HashSet<&UserId> = users_shared_with.iter().collect();
// A user left if a user is missing from the set of users that should
// get the session but is in the set of users that received the sessoin.
// get the session but is in the set of users that received the session.
let user_left = !users_shared_with
.difference(&users)
.collect::<HashSet<_>>()
@ -260,9 +260,10 @@ impl GroupSessionManager {
.filter(|d| !d.is_blacklisted())
.collect();
// If we haven't already concluded that the session should be rotated for other
// reasons, we also need to check whether any of the devices in the session got deleted
// or blacklisted in the meantime. If so, we should also rotate the session.
// If we haven't already concluded that the session should be
// rotated for other reasons, we also need to check whether any
// of the devices in the session got deleted or blacklisted in the
// meantime. If so, we should also rotate the session.
if !should_rotate {
// Device IDs that should receive this session
let non_blacklisted_device_ids: HashSet<&DeviceId> = non_blacklisted_devices
@ -282,8 +283,8 @@ impl GroupSessionManager {
// 1. Devices that had previously received the session, and
// 2. Devices that would now receive the session
//
// represents newly deleted or blacklisted devices. If this set is non-empty,
// we must rotate.
// represents newly deleted or blacklisted devices. If this
// set is non-empty, we must rotate.
let newly_deleted_or_blacklisted = shared
.difference(&non_blacklisted_device_ids)
.collect::<HashSet<_>>();
@ -342,6 +343,7 @@ impl GroupSessionManager {
changes.inbound_group_sessions.push(inbound);
debug!(
room_id = room_id.as_str(),
"A user/device has left the group {} since we last sent a message, \
rotating the outbound session.",
room_id
@ -369,15 +371,19 @@ impl GroupSessionManager {
let message_index = outbound.message_index().await;
if !devices.is_empty() {
info!(
"Sharing outbound session at index {} with {:?}",
message_index,
devices.iter().fold(BTreeMap::new(), |mut acc, d| {
let users = devices.iter().fold(BTreeMap::new(), |mut acc, d| {
acc.entry(d.user_id())
.or_insert_with(BTreeSet::new)
.insert(d.device_id());
acc
})
});
info!(
index = message_index,
users = ?users,
"Sharing an outbound session at index {} with {:?}",
message_index,
users
);
}
@ -399,6 +405,8 @@ impl GroupSessionManager {
if requests.is_empty() {
debug!(
room_id = room_id.as_str(),
session_id = outbound.session_id(),
"Session {} for room {} doesn't need to be shared with anyone, marking as shared",
outbound.session_id(),
outbound.room_id()