Clean oldest gossiping entries on open

Add a dump of DB size on bug report

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/Session.kt

@@ -238,4 +238,9 @@ interface Session :
     }
 
     val sharedSecretStorageService: SharedSecretStorageService
+
+    /**
+     * Maintenance API, allows to print outs info on DB size to logcat
+     */
+    fun dbgTraceDbInfo()
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/crypto/CryptoService.kt

@@ -155,4 +155,6 @@ interface CryptoService {
     // For testing shared session
     fun getSharedWithInfo(roomId: String?, sessionId: String): MXUsersDevicesMap<Int>
     fun getWithHeldMegolmSession(roomId: String, sessionId: String): RoomKeyWithHeldContent?
+
+    fun logDbUsageInfo()
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/DefaultCryptoService.kt

@@ -314,6 +314,10 @@ internal class DefaultCryptoService @Inject constructor(
         }
         // Just update
         fetchDevicesList(NoOpMatrixCallback())
+
+        cryptoCoroutineScope.launch(coroutineDispatchers.crypto) {
+            cryptoStore.tidyUpDataBase()
+        }
     }
 
     fun ensureDevice() {
@@ -1291,6 +1295,11 @@ internal class DefaultCryptoService @Inject constructor(
     override fun getWithHeldMegolmSession(roomId: String, sessionId: String): RoomKeyWithHeldContent? {
         return cryptoStore.getWithHeldMegolmSession(roomId, sessionId)
     }
+
+    override fun logDbUsageInfo() {
+        cryptoStore.logDbUsageInfo()
+    }
+
     /* ==========================================================================================
      * For test only
      * ========================================================================================== */

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/IMXCryptoStore.kt

@@ -456,4 +456,6 @@ internal interface IMXCryptoStore {
 
     fun setDeviceKeysUploaded(uploaded: Boolean)
     fun getDeviceKeysUploaded(): Boolean
+    fun tidyUpDataBase()
+    fun logDbUsageInfo()
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/store/db/RealmCryptoStore.kt

@@ -95,6 +95,7 @@ import org.matrix.android.sdk.internal.session.SessionScope
 import org.matrix.olm.OlmAccount
 import org.matrix.olm.OlmException
 import timber.log.Timber
+import java.lang.StringBuilder
 import javax.inject.Inject
 import kotlin.collections.set
 
@@ -1666,4 +1667,61 @@ internal class RealmCryptoStore @Inject constructor(
             result
         }
     }
+
+    /**
+     * Some entries in the DB can get a bit out of control with time
+     * So we need to tidy up a bit
+     */
+    override fun tidyUpDataBase() {
+        val prevWeekTs = System.currentTimeMillis() - 7 * 24 * 60 * 60 * 1_000
+        doRealmTransaction(realmConfiguration) { realm ->
+
+            // Only keep one week history
+            realm.where<IncomingGossipingRequestEntity>()
+                    .lessThan(IncomingGossipingRequestEntityFields.LOCAL_CREATION_TIMESTAMP, prevWeekTs)
+                    .findAll().let {
+                        Timber.i("## Crypto Clean up ${it.size} IncomingGossipingRequestEntity")
+                        it.deleteAllFromRealm()
+                    }
+
+            // Clean the cancelled ones?
+            realm.where<OutgoingGossipingRequestEntity>()
+                    .equalTo(OutgoingGossipingRequestEntityFields.REQUEST_STATE_STR, OutgoingGossipingRequestState.CANCELLED.name)
+                    .equalTo(OutgoingGossipingRequestEntityFields.TYPE_STR, GossipRequestType.KEY.name)
+                    .findAll().let {
+                        Timber.i("## Crypto Clean up ${it.size} OutgoingGossipingRequestEntity")
+                        it.deleteAllFromRealm()
+                    }
+
+            // Only keep one week history
+            realm.where<GossipingEventEntity>()
+                    .lessThan(GossipingEventEntityFields.AGE_LOCAL_TS, prevWeekTs)
+                    .findAll().let {
+                        Timber.i("## Crypto Clean up ${it.size} GossipingEventEntityFields")
+                        it.deleteAllFromRealm()
+                    }
+
+            // Can we do something for WithHeldSessionEntity?
+        }
+    }
+
+    /**
+     * Prints out database info
+     */
+    override fun logDbUsageInfo() {
+        Realm.getInstance(realmConfiguration).use { realm ->
+            val info = StringBuilder()
+            // Check if we have data
+            info.append("\n==============================================")
+            info.append("\n==============================================")
+            info.append("\nCrypto Realm is empty: ${realm.isEmpty}")
+            realmConfiguration.realmObjectClasses.forEach { modelClazz ->
+                val count = realm.where(modelClazz).count()
+                info.append("\nCrypto Realm - count ${modelClazz.simpleName}: $count")
+            }
+            info.append("\n==============================================")
+            info.append("\n==============================================")
+            Timber.i(info.toString())
+        }
+    }
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/DefaultSession.kt

@@ -18,7 +18,9 @@ package org.matrix.android.sdk.internal.session
 
 import androidx.annotation.MainThread
 import dagger.Lazy
+import io.realm.Realm
 import io.realm.RealmConfiguration
+import io.realm.kotlin.where
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import okhttp3.OkHttpClient
@@ -197,7 +199,7 @@ internal class DefaultSession @Inject constructor(
     override fun close() {
         assert(isOpen)
         stopSync()
-       // timelineEventDecryptor.destroy()
+        // timelineEventDecryptor.destroy()
         uiHandler.post {
             lifecycleObservers.forEach { it.onStop() }
         }
@@ -284,4 +286,22 @@ internal class DefaultSession @Inject constructor(
     override fun toString(): String {
         return "$myUserId - ${sessionParams.deviceId}"
     }
+
+    override fun dbgTraceDbInfo() {
+        Realm.getInstance(realmConfiguration).use { realm ->
+            val info = StringBuilder()
+
+            // Check if we have data
+            info.append("\n==============================================")
+            info.append("\n==============================================")
+            info.append("\nSession Realm is empty: ${realm.isEmpty}")
+            realmConfiguration.realmObjectClasses.forEach { modelClazz ->
+                val count = realm.where(modelClazz).count()
+                info.append("\nSession Realm - count ${modelClazz.simpleName}: $count")
+            }
+            info.append("\n==============================================")
+            info.append("\n==============================================")
+            Timber.i(info.toString())
+        }
+    }
 }

vector/src/main/java/im/vector/app/features/rageshake/BugReporter.kt

@@ -446,6 +446,8 @@ class BugReporter @Inject constructor(
      */
     fun openBugReportScreen(activity: FragmentActivity, forSuggestion: Boolean = false) {
         screenshot = takeScreenshot(activity)
+        activeSessionHolder.getSafeActiveSession()?.dbgTraceDbInfo()
+        activeSessionHolder.getSafeActiveSession()?.cryptoService()?.logDbUsageInfo()
 
         val intent = Intent(activity, BugReportActivity::class.java)
         intent.putExtra("FOR_SUGGESTION", forSuggestion)