crypto: Share the users_for_key_claim map between modules.

matrix_sdk_crypto/src/key_request.rs

@@ -196,6 +196,7 @@ impl KeyRequestMachine {
         device_id: Arc<DeviceIdBox>,
         store: Store,
         outbound_group_sessions: Arc<DashMap<RoomId, OutboundGroupSession>>,
+        users_for_key_claim: Arc<DashMap<UserId, DashSet<DeviceIdBox>>>,
     ) -> Self {
         Self {
             user_id,
@@ -205,7 +206,7 @@ impl KeyRequestMachine {
             outgoing_to_device_requests: Arc::new(DashMap::new()),
             incoming_key_requests: Arc::new(DashMap::new()),
             wait_queue: WaitQueue::new(),
-            users_for_key_claim: Arc::new(DashMap::new()),
+            users_for_key_claim,
         }
     }
 
@@ -214,11 +215,6 @@ impl KeyRequestMachine {
         &self.user_id
     }
 
-    /// Get the map of user/devices which we need to claim one-time for.
-    pub fn users_for_key_claim(&self) -> &DashMap<UserId, DashSet<DeviceIdBox>> {
-        &self.users_for_key_claim
-    }
-
     pub fn outgoing_to_device_requests(&self) -> Vec<OutgoingRequest> {
         #[allow(clippy::map_clone)]
         self.outgoing_to_device_requests
@@ -719,6 +715,7 @@ mod test {
             Arc::new(bob_device_id()),
             store,
             Arc::new(DashMap::new()),
+            Arc::new(DashMap::new()),
         )
     }
 
@@ -736,6 +733,7 @@ mod test {
             Arc::new(alice_device_id()),
             store,
             Arc::new(DashMap::new()),
+            Arc::new(DashMap::new()),
         )
     }
 

matrix_sdk_crypto/src/machine.rs

@@ -131,11 +131,14 @@ impl OlmMachine {
         let store = Store::new(user_id.clone(), store, verification_machine.clone());
         let device_id: Arc<DeviceIdBox> = Arc::new(device_id);
         let outbound_group_sessions = Arc::new(DashMap::new());
+        let users_for_key_claim = Arc::new(DashMap::new());
+
         let key_request_machine = KeyRequestMachine::new(
             user_id.clone(),
             device_id.clone(),
             store.clone(),
             outbound_group_sessions,
+            users_for_key_claim.clone(),
         );
 
         let account = Account {
@@ -143,8 +146,12 @@ impl OlmMachine {
             store: store.clone(),
         };
 
-        let session_manager =
-            SessionManager::new(account.clone(), key_request_machine.clone(), store.clone());
+        let session_manager = SessionManager::new(
+            account.clone(),
+            users_for_key_claim,
+            key_request_machine.clone(),
+            store.clone(),
+        );
         let group_session_manager = GroupSessionManager::new(account.clone(), store.clone());
         let identity_manager = IdentityManager::new(
             user_id.clone(),

matrix_sdk_crypto/src/session_manager.rs

@@ -12,12 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use std::{collections::BTreeMap, time::Duration};
+use std::{collections::BTreeMap, sync::Arc, time::Duration};
 
+use dashmap::{DashMap, DashSet};
 use matrix_sdk_common::{
     api::r0::keys::claim_keys::{Request as KeysClaimRequest, Response as KeysClaimResponse},
     assign,
-    identifiers::{DeviceKeyAlgorithm, UserId},
+    identifiers::{DeviceIdBox, DeviceKeyAlgorithm, UserId},
     uuid::Uuid,
 };
 use tracing::{error, info, warn};
@@ -28,17 +29,28 @@ use crate::{error::OlmResult, key_request::KeyRequestMachine, olm::Account, stor
 pub(crate) struct SessionManager {
     account: Account,
     store: Store,
+    /// A map of user/devices that we need to automatically claim keys for.
+    /// Submodules can insert user/device pairs into this map and the
+    /// user/device paris will be added to the list of users when
+    /// [`get_missing_sessions`](#method.get_missing_sessions) is called.
+    users_for_key_claim: Arc<DashMap<UserId, DashSet<DeviceIdBox>>>,
     key_request_machine: KeyRequestMachine,
 }
 
 impl SessionManager {
     const KEY_CLAIM_TIMEOUT: Duration = Duration::from_secs(10);
 
-    pub fn new(account: Account, key_request_machine: KeyRequestMachine, store: Store) -> Self {
+    pub fn new(
+        account: Account,
+        users_for_key_claim: Arc<DashMap<UserId, DashSet<DeviceIdBox>>>,
+        key_request_machine: KeyRequestMachine,
+        store: Store,
+    ) -> Self {
         Self {
             account,
             store,
             key_request_machine,
+            users_for_key_claim,
         }
     }
 
@@ -109,7 +121,7 @@ impl SessionManager {
 
         // Add the list of sessions that for some reason automatically need to
         // create an Olm session.
-        for item in self.key_request_machine.users_for_key_claim().iter() {
+        for item in self.users_for_key_claim.iter() {
             let user = item.key();
 
             for device_id in item.value().iter() {