feature: add db realization for distribute lock

common/src/main/java/io/seata/common/DefaultValues.java

@@ -75,6 +75,11 @@ public interface DefaultValues {
      */
     String DEFAULT_LOCK_DB_TABLE = "lock_table";
 
+    /**
+     * the constant DEFAULT_DISTRIBUTE_LOCK_DB_TABLE
+     */
+    String DEFAULT_DISTRIBUTE_LOCK_DB_TABLE = "distribute_lock";
+
     int DEFAULT_TM_COMMIT_RETRY_COUNT = 5;
     int DEFAULT_TM_ROLLBACK_RETRY_COUNT = 5;
     int DEFAULT_GLOBAL_TRANSACTION_TIMEOUT = 60000;
@@ -126,4 +131,9 @@ public interface DefaultValues {
      * the constant TCC_ACTION_INTERCEPTOR_ORDER
      */
     int TCC_ACTION_INTERCEPTOR_ORDER = Integer.MIN_VALUE + 1000;
+
+    /**
+     * the constant DEFAULT_DISTRIBUTE_LOCK_EXPIRE
+     */
+    int DEFAULT_DISTRIBUTE_LOCK_EXPIRE = 10000;
 }

common/src/main/java/io/seata/common/util/StringUtils.java

@@ -44,6 +44,11 @@ private StringUtils() {
      */
     public static final String EMPTY = "";
 
+    /**
+     * Space string
+     */
+    public static final String SPACE = " ";
+
     /**
      * Is empty boolean.
      *

config/seata-config-core/src/main/java/io/seata/config/ConfigurationCache.java

@@ -21,6 +21,7 @@
 import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
 
+import io.seata.common.util.CollectionUtils;
 import io.seata.common.util.DurationUtil;
 import io.seata.common.util.StringUtils;
 import net.sf.cglib.proxy.Enhancer;
@@ -61,6 +62,22 @@ public static void addConfigListener(String dataId, ConfigurationChangeListener.
         }
     }
 
+    public static void removeConfigListener(String dataId, ConfigurationChangeListener... listeners) {
+        if (StringUtils.isBlank(dataId)) {
+            return;
+        }
+        synchronized (ConfigurationCache.class) {
+            final HashSet<ConfigurationChangeListener> listenerSet = getInstance().configListenersMap.get(dataId);
+            if (CollectionUtils.isNotEmpty(listenerSet)) {
+                for (ConfigurationChangeListener listener : listeners) {
+                    if (listenerSet.remove(listener)) {
+                        ConfigurationFactory.getInstance().addConfigListener(dataId, listener);
+                    }
+                }
+            }
+        }
+    }
+
     public static ConfigurationCache getInstance() {
         return ConfigurationCacheInstance.INSTANCE;
     }

core/src/main/java/io/seata/core/constants/ConfigurationKeys.java

@@ -234,6 +234,11 @@ public interface ConfigurationKeys {
      */
     String STORE_DB_BRANCH_TABLE = STORE_DB_PREFIX + "branchTable";
 
+    /**
+     * The constant DISTRIBUTE_LOCK_DB_TABLE.
+     */
+    String DISTRIBUTE_LOCK_DB_TABLE = STORE_DB_PREFIX + "distributeLockTable";
+
     /**
      * The constant STORE_DB_DATASOURCE_TYPE.
      */

core/src/main/java/io/seata/core/constants/ServerTableColumnsName.java

@@ -192,4 +192,19 @@ public interface ServerTableColumnsName {
      * The constant lock_table column name gmt_modified
      */
     String LOCK_TABLE_GMT_MODIFIED = "gmt_modified";
+
+
+
+    /**
+     * The constant distribute_lock column name lock key
+     */
+    String DISTRIBUTE_LOCK_KEY = "lock_key";
+    /**
+     * The constant distribute_lock column name lock value
+     */
+    String DISTRIBUTE_LOCK_VALUE = "lock_value";
+    /**
+     * The constant distribute_lock column name expire
+     */
+    String DISTRIBUTE_LOCK_EXPIRE = "expire";
 }

core/src/main/java/io/seata/core/store/db/sql/distribute/lock/BaseDistributeLockSql.java

@@ -0,0 +1,54 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.store.db.sql.distribute.lock;
+
+import io.seata.core.constants.ServerTableColumnsName;
+
+/**
+ * @author chd
+ */
+public class BaseDistributeLockSql implements DistributeLockSql {
+    protected static final String DISTRIBUTE_LOCK_TABLE_PLACE_HOLD = " #distribute_lock_table# ";
+
+    protected static final String ALL_COLUMNS = ServerTableColumnsName.DISTRIBUTE_LOCK_KEY + "," +
+            ServerTableColumnsName.DISTRIBUTE_LOCK_VALUE + "," + ServerTableColumnsName.DISTRIBUTE_LOCK_EXPIRE;
+
+    protected static final String SELECT_FOR_UPDATE_SQL = "SELECT " + ALL_COLUMNS + " FROM " + DISTRIBUTE_LOCK_TABLE_PLACE_HOLD
+            + " WHERE " + ServerTableColumnsName.DISTRIBUTE_LOCK_KEY + " = ? FOR UPDATE";
+
+    protected static final String INSERT_DISTRIBUTE_LOCK_SQL = "INSERT INTO " + DISTRIBUTE_LOCK_TABLE_PLACE_HOLD + "("
+            + ALL_COLUMNS + ") VALUE (?, ?, ?)";
+
+    protected static final String UPDATE_DISTRIBUTE_LOCK_SQL = "UPDATE " + DISTRIBUTE_LOCK_TABLE_PLACE_HOLD + " SET "
+            + ServerTableColumnsName.DISTRIBUTE_LOCK_VALUE + "=?, " + ServerTableColumnsName.DISTRIBUTE_LOCK_EXPIRE + "=?"
+            + " WHERE " + ServerTableColumnsName.DISTRIBUTE_LOCK_KEY + "=?";
+
+
+    @Override
+    public String getSelectDistributeForUpdateSql(String distributeLockTable) {
+        return SELECT_FOR_UPDATE_SQL.replace(DISTRIBUTE_LOCK_TABLE_PLACE_HOLD, distributeLockTable);
+    }
+
+    @Override
+    public String getInsertSql(String distributeLockTable) {
+        return INSERT_DISTRIBUTE_LOCK_SQL.replace(DISTRIBUTE_LOCK_TABLE_PLACE_HOLD, distributeLockTable);
+    }
+
+    @Override
+    public String getUpdateSql(String distributeLockTable) {
+        return UPDATE_DISTRIBUTE_LOCK_SQL.replace(DISTRIBUTE_LOCK_TABLE_PLACE_HOLD, distributeLockTable);
+    }
+}

core/src/main/java/io/seata/core/store/db/sql/distribute/lock/DistributeLockSql.java

@@ -0,0 +1,43 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.store.db.sql.distribute.lock;
+
+/**
+ * @author chd
+ * @since 1.5.0
+ */
+public interface DistributeLockSql {
+    /**
+     * Get the select distribute lock sql
+     * @param distributeLockTable the table name of the distribute lock table
+     * @return the sql
+     */
+    String getSelectDistributeForUpdateSql(String distributeLockTable);
+
+    /**
+     * Get insert distribute lock sql
+     * @param distributeLockTable the table name of the distribute lock table
+     * @return the sql
+     */
+    String getInsertSql(String distributeLockTable);
+
+    /**
+     * Get update distribute lock sql
+     * @param distributeLockTable the table name of the distribute lock table
+     * @return the sql
+     */
+    String getUpdateSql(String distributeLockTable);
+}

core/src/main/java/io/seata/core/store/db/sql/distribute/lock/DistributeLockSqlFactory.java

@@ -0,0 +1,33 @@
+/*
+ *  Copyright 1999-2019 Seata.io Group.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package io.seata.core.store.db.sql.distribute.lock;
+
+/**
+ * @author chd
+ */
+public class DistributeLockSqlFactory {
+    private static final DistributeLockSql DISTRIBUTE_LOCK_SQL = new BaseDistributeLockSql();
+
+    /**
+     * get the lock store sql
+     *
+     * @param dbType the dbType, support mysql/oracle/h2/postgre/oceanbase, it's useless now, but maybe useful later
+     * @return lock store sql
+     */
+    public static DistributeLockSql getDistributeLogStoreSql(String dbType) {
+        return DISTRIBUTE_LOCK_SQL;
+    }
+}

rm-datasource/src/main/java/io/seata/rm/datasource/undo/AbstractUndoLogManager.java

@@ -195,7 +195,7 @@ protected static boolean canUndo(int state) {
     }
 
     protected String buildContext(String serializer, CompressorType compressorType) {
-        Map<String, String> map = new HashMap<>();
+        Map<String, String> map = new HashMap<>(2, 1.01f);
         map.put(UndoLogConstants.SERIALIZER_KEY, serializer);
         map.put(UndoLogConstants.COMPRESSOR_TYPE_KEY, compressorType.name());
         return CollectionUtils.encodeMap(map);

script/config-center/config.txt

@@ -54,6 +54,7 @@ store.db.minConn=5
 store.db.maxConn=30
 store.db.globalTable=global_table
 store.db.branchTable=branch_table
+store.db.distributeLockTable=distribute_lock
 store.db.queryLimit=100
 store.db.lockTable=lock_table
 store.db.maxWait=5000

script/server/db/mysql.sql

@@ -54,3 +54,17 @@ CREATE TABLE IF NOT EXISTS `lock_table`
     KEY `idx_branch_id` (`branch_id`)
 ) ENGINE = InnoDB
   DEFAULT CHARSET = utf8;
+
+CREATE TABLE IF NOT EXISTS `distribute_lock`
+(
+    `lock_key`       CHAR(20) NOT NULL,
+    `lock_value`     VARCHAR(20) NOT NULL,
+    `expire`         BIGINT,
+    primary key (`lock_key`)
+) ENGINE = InnoDB
+  DEFAULT CHARSET = utf8mb4;
+
+INSERT INTO `distribute_lock` (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
+INSERT INTO `distribute_lock` (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
+INSERT INTO `distribute_lock` (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
+INSERT INTO `distribute_lock` (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);

script/server/db/oracle.sql

@@ -53,4 +53,17 @@ CREATE TABLE lock_table
     PRIMARY KEY (row_key)
 );
 
-CREATE INDEX idx_branch_id ON lock_table (branch_id);
+CREATE INDEX idx_branch_id ON lock_table (branch_id);
+
+CREATE TABLE distribute_lock (
+    lock_key     VARCHAR2(20)  NOT NULL,
+    lock_value        VARCHAR2(20)  NOT NULL,
+    expire       DECIMAL(18)   NOT NULL,
+    PRIMARY KEY (lock_key)
+);
+
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);
+

script/server/db/postgresql.sql

@@ -54,3 +54,15 @@ CREATE TABLE IF NOT EXISTS public.lock_table
 );
 
 CREATE INDEX idx_branch_id ON public.lock_table (branch_id);
+
+CREATE TABLE distribute_lock (
+    lock_key     VARCHAR(20)  NOT NULL,
+    lock_value        VARCHAR(20)  NOT NULL,
+    expire       BIGINT       NOT NULL,
+    CONSTRAINT pk_distribute_lock_table PRIMARY KEY (lock_key)
+);
+
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
+INSERT INTO distribute_lock (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);

server/src/main/java/io/seata/server/Server.java

@@ -57,6 +57,15 @@ public static void start(String[] args) {
         //Because, here we need to parse the parameters needed for startup.
         ParameterParser parameterParser = new ParameterParser(args);
 
+
+        //127.0.0.1 and 0.0.0.0 are not valid here.
+        if (NetUtil.isValidIp(parameterParser.getHost(), false)) {
+            XID.setIpAddress(parameterParser.getHost());
+        } else {
+            XID.setIpAddress(NetUtil.getLocalIp());
+        }
+        XID.setPort(parameterParser.getPort());
+
         //initialize the metrics
         MetricsManager.get().init();
 
@@ -81,14 +90,6 @@ public static void start(String[] args) {
         ShutdownHook.getInstance().addDisposable(coordinator);
         ShutdownHook.getInstance().addDisposable(nettyRemotingServer);
 
-        //127.0.0.1 and 0.0.0.0 are not valid here.
-        if (NetUtil.isValidIp(parameterParser.getHost(), false)) {
-            XID.setIpAddress(parameterParser.getHost());
-        } else {
-            XID.setIpAddress(NetUtil.getLocalIp());
-        }
-        XID.setPort(nettyRemotingServer.getListenPort());
-
         nettyRemotingServer.init();
     }
 }