don't load signed prekeys on startup

src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java

@@ -602,7 +602,7 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
 
 					// Validate signedPreKeyRecord + ID
 					SignedPreKeyRecord signedPreKeyRecord;
-					int numSignedPreKeys = axolotlStore.loadSignedPreKeys().size();
+					int numSignedPreKeys = axolotlStore.getSignedPreKeysCount();
 					try {
 						signedPreKeyRecord = axolotlStore.loadSignedPreKey(bundle.getSignedPreKeyId());
 						if (flush

src/main/java/eu/siacs/conversations/crypto/axolotl/SQLiteAxolotlStore.java

@@ -79,9 +79,6 @@ public class SQLiteAxolotlStore implements AxolotlStore {
 		this.mXmppConnectionService = service;
 		this.localRegistrationId = loadRegistrationId();
 		this.currentPreKeyId = loadCurrentPreKeyId();
-		for (SignedPreKeyRecord record : loadSignedPreKeys()) {
-			Log.d(Config.LOGTAG, AxolotlService.getLogprefix(account) + "Got Axolotl signed prekey record:" + record.getId());
-		}
 	}
 
 	public int getCurrentPreKeyId() {
@@ -415,6 +412,10 @@ public class SQLiteAxolotlStore implements AxolotlStore {
 		return mXmppConnectionService.databaseBackend.loadSignedPreKeys(account);
 	}
 
+	public int getSignedPreKeysCount() {
+		return mXmppConnectionService.databaseBackend.getSignedPreKeysCount(account);
+	}
+
 	/**
 	 * Store a local SignedPreKeyRecord.
 	 *

src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java

@@ -1086,6 +1086,25 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 		return prekeys;
 	}
 
+	public int getSignedPreKeysCount(Account account) {
+		String[] columns = {"count("+SQLiteAxolotlStore.KEY+")"};
+		String[] selectionArgs = {account.getUuid()};
+		SQLiteDatabase db = this.getReadableDatabase();
+		Cursor cursor = db.query(SQLiteAxolotlStore.SIGNED_PREKEY_TABLENAME,
+				columns,
+				SQLiteAxolotlStore.ACCOUNT + "=?",
+				selectionArgs,
+				null, null, null);
+		final int count;
+		if (cursor.moveToFirst()) {
+			count = cursor.getInt(0);
+		} else {
+			count = 0;
+		}
+		cursor.close();
+		return count;
+	}
+
 	public boolean containsSignedPreKey(Account account, int signedPreKeyId) {
 		Cursor cursor = getCursorForPreKey(account, signedPreKeyId);
 		int count = cursor.getCount();

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -991,7 +991,9 @@ public class XmppConnectionService extends Service {
 			}
 		};
 
+		Log.d(Config.LOGTAG,"initializing database...");
 		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
+		Log.d(Config.LOGTAG,"restoring accounts...");
 		this.accounts = databaseBackend.getAccounts();
 
 		if (Config.FREQUENT_RESTARTS_THRESHOLD != 0
@@ -1449,6 +1451,8 @@ public class XmppConnectionService extends Service {
 			for (Account account : this.accounts) {
 				accountLookupTable.put(account.getUuid(), account);
 			}
+			Log.d(Config.LOGTAG,"restoring conversations...");
+			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
 			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
 			for(Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext();) {
 				Conversation conversation = iterator.next();
@@ -1460,6 +1464,8 @@ public class XmppConnectionService extends Service {
 					iterator.remove();
 				}
 			}
+			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
+			Log.d(Config.LOGTAG,"finished restoring conversations in "+diffConversationsRestore+"ms");
 			Runnable runnable = new Runnable() {
 				@Override
 				public void run() {
@@ -1469,14 +1475,15 @@ public class XmppConnectionService extends Service {
 						Log.d(Config.LOGTAG, "deleting messages that are older than "+AbstractGenerator.getTimestamp(deletionDate));
 						databaseBackend.expireOldMessages(deletionDate);
 					}
-					Log.d(Config.LOGTAG, "restoring roster");
+					Log.d(Config.LOGTAG,"restoring roster...");
 					for (Account account : accounts) {
 						databaseBackend.readRoster(account.getRoster());
 						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
 					}
 					getBitmapCache().evictAll();
 					loadPhoneContacts();
-					Log.d(Config.LOGTAG, "restoring messages");
+					Log.d(Config.LOGTAG, "restoring messages...");
+					final long startMessageRestore = SystemClock.elapsedRealtime();
 					for (Conversation conversation : conversations) {
 						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
 						checkDeletedFiles(conversation);
@@ -1496,7 +1503,8 @@ public class XmppConnectionService extends Service {
 					}
 					mNotificationService.finishBacklog(false);
 					mRestoredFromDatabase = true;
-					Log.d(Config.LOGTAG, "restored all messages");
+					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
+					Log.d(Config.LOGTAG, "finished restoring messages in "+diffMessageRestore+"ms");
 					updateConversationUi();
 				}
 			};