mirror of
https://github.com/alibaba/canal.git
synced 2026-11-04 00:30:15 +08:00
1、BinLogFileQueue的listBinlogFiles方法中对binlog文件名进行更严格的验证,必须以数字结尾
2、LocalBinLogConnection类中解决如下bug 2.1第二个dump方法中增加代码"decoder.handle(LogEvent.FORMAT_DESCRIPTION_EVENT);",解决"((QueryLogEvent)event).getQuery()"语句出现乱码的问题(BEGIN后面多了4个字节),出现乱码不会进入if语句,导致找到的binlog位点不准确 2.2第一个dump方法中,被注释的decode代码才是正确的,和DirectLogFetcher不同,此处需要构造子循环进行遍历 2.3第一个dump方法中,将每个binlog-file的首个event设置为RotateLogEvent,否则会导致所有event的binlogFileName都是默认的mysql-bin.000001。这么改完之后,和DirectLogFetcher的行为相契合,后者在每个binlogfile的首个event就是RotateLogEvent 3、LocalBinlogEventParser中增加元数据处理的相关代码,不加的话,所有的event都不带列名,基本上没法儿使用
This commit is contained in:
163
deployer/src/main/resources/spring/local-instance.xml
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163
deployer/src/main/resources/spring/local-instance.xml
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@@ -0,0 +1,163 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:aop="http://www.springframework.org/schema/aop" xmlns:lang="http://www.springframework.org/schema/lang"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
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http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
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http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-2.0.xsd
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http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"
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default-autowire="byName">
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<!-- properties -->
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<bean class="com.alibaba.otter.canal.instance.spring.support.PropertyPlaceholderConfigurer" lazy-init="false">
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<property name="ignoreResourceNotFound" value="true" />
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<property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/><!-- 允许system覆盖 -->
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<property name="locationNames">
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<list>
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<value>classpath:canal.properties</value>
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<value>classpath:${canal.instance.destination:}/instance.properties</value>
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</list>
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</property>
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</bean>
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<bean id="socketAddressEditor" class="com.alibaba.otter.canal.instance.spring.support.SocketAddressEditor" />
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<bean class="org.springframework.beans.factory.config.CustomEditorConfigurer">
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<property name="propertyEditorRegistrars">
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<list>
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<ref bean="socketAddressEditor" />
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</list>
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</property>
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</bean>
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<bean id="instance" class="com.alibaba.otter.canal.instance.spring.CanalInstanceWithSpring">
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<property name="destination" value="${canal.instance.destination}" />
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<property name="eventParser">
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<ref local="eventParser" />
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</property>
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<property name="eventSink">
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<ref local="eventSink" />
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</property>
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<property name="eventStore">
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<ref local="eventStore" />
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</property>
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<property name="metaManager">
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<ref local="metaManager" />
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</property>
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<property name="alarmHandler">
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<ref local="alarmHandler" />
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</property>
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<property name="eventFetcher">
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<ref local="eventFetcher"/>
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</property>
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</bean>
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<bean id="eventFetcher" class="com.alibaba.otter.canal.mq.fetch.CanalEventFetcherWithMq">
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<property name="enable" value="${canal.instance.mq.enable}"/>
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<property name="sendMode" value="${canal.instance.mq.sendMode}"/>
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</bean>
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<!-- 报警处理类 -->
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<bean id="alarmHandler" class="com.alibaba.otter.canal.common.alarm.MsgAlarmHandler">
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<property name="enabled" value="${canal.alarm.enable}" />
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<property name="environment" value="${canal.alarm.environment}" />
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<property name="intercenterApi" value="${canal.alarm.intercenter.api}" />
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<property name="administrators" value="${canal.alarm.administrators}" />
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</bean>
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<bean id="zkClientx" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean" >
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<property name="targetClass" value="com.alibaba.otter.canal.common.zookeeper.ZkClientx" />
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<property name="targetMethod" value="getZkClient" />
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<property name="arguments">
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<list>
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<value>${canal.zkServers:127.0.0.1:2181}</value>
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</list>
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</property>
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</bean>
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<bean id="metaManager" class="com.alibaba.otter.canal.meta.PeriodMixedMetaManager">
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<property name="zooKeeperMetaManager">
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<bean class="com.alibaba.otter.canal.meta.ZooKeeperMetaManager">
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<property name="zkClientx" ref="zkClientx" />
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</bean>
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</property>
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<property name="period" value="${canal.zookeeper.flush.period:1000}" />
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</bean>
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<bean id="eventStore" class="com.alibaba.otter.canal.store.memory.MemoryEventStoreWithBuffer">
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<property name="bufferSize" value="${canal.instance.memory.buffer.size:16384}" />
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<property name="bufferMemUnit" value="${canal.instance.memory.buffer.memunit:1024}" />
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<property name="batchMode" value="${canal.instance.memory.batch.mode:MEMSIZE}" />
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<property name="ddlIsolation" value="${canal.instance.get.ddl.isolation:false}" />
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</bean>
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<bean id="eventSink" class="com.alibaba.otter.canal.sink.entry.EntryEventSink">
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<property name="eventStore" ref="eventStore" />
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</bean>
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<bean id="eventParser" class="com.alibaba.otter.canal.parse.inbound.mysql.LocalBinlogEventParser">
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<property name="destination" value="${canal.instance.destination}" />
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<property name="alarmHandler" ref="alarmHandler" />
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<!-- 解析过滤处理 -->
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<property name="eventFilter">
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<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
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<constructor-arg index="0" value="${canal.instance.filter.regex:.*\..*}" />
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</bean>
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</property>
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<property name="eventBlackFilter">
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<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
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<constructor-arg index="0" value="${canal.instance.filter.black.regex:}" />
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<constructor-arg index="1" value="false" />
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</bean>
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</property>
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<!-- 最大事务解析大小,超过该大小后事务将被切分为多个事务投递 -->
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<property name="transactionSize" value="${canal.instance.transaction.size:1024}" />
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<!-- 解析编码 -->
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<property name="connectionCharset" value="${canal.instance.connectionCharset:UTF-8}" />
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<!-- 解析位点记录 -->
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<property name="logPositionManager">
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<bean class="com.alibaba.otter.canal.parse.index.FailbackLogPositionManager">
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<property name="primary">
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<bean class="com.alibaba.otter.canal.parse.index.MemoryLogPositionManager" />
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</property>
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<property name="failback">
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<bean class="com.alibaba.otter.canal.parse.index.MetaLogPositionManager">
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<property name="metaManager" ref="metaManager" />
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</bean>
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</property>
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</bean>
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</property>
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<!-- 解析数据库信息 -->
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<property name="masterInfo">
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<bean class="com.alibaba.otter.canal.parse.support.AuthenticationInfo">
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<property name="address" value="${canal.instance.master.address}" />
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<property name="username" value="${canal.instance.dbUsername:retl}" />
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<property name="password" value="${canal.instance.dbPassword:retl}" />
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<property name="defaultDatabaseName" value="${canal.instance.defaultDatabaseName:retl}" />
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</bean>
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</property>
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<!-- 解析起始位点 -->
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<property name="masterPosition">
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<bean class="com.alibaba.otter.canal.protocol.position.EntryPosition">
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<property name="journalName" value="${canal.instance.master.journal.name}" />
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<property name="position" value="${canal.instance.master.position}" />
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<property name="timestamp" value="${canal.instance.master.timestamp}" />
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</bean>
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</property>
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<property name="filterQueryDml" value="${canal.instance.filter.query.dml:false}" />
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<property name="filterQueryDcl" value="${canal.instance.filter.query.dcl:false}" />
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<property name="filterQueryDdl" value="${canal.instance.filter.query.ddl:false}" />
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<property name="filterRows" value="${canal.instance.filter.rows:false}" />
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<property name="filterTableError" value="${canal.instance.filter.table.error:false}" />
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<property name="needWait" value="${canal.instance.parser.needWait:true}"/>
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<property name="directory" value="${canal.instance.parser.directory}"/>
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</bean>
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</beans>
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@@ -8,7 +8,6 @@ import org.apache.commons.lang.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.alibaba.otter.canal.parse.exception.CanalParseException;
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import com.alibaba.otter.canal.parse.inbound.ErosaConnection;
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import com.alibaba.otter.canal.parse.inbound.SinkFunction;
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import com.alibaba.otter.canal.parse.inbound.mysql.local.BinLogFileQueue;
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@@ -18,6 +17,7 @@ import com.taobao.tddl.dbsync.binlog.LogDecoder;
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import com.taobao.tddl.dbsync.binlog.LogEvent;
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import com.taobao.tddl.dbsync.binlog.LogPosition;
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import com.taobao.tddl.dbsync.binlog.event.QueryLogEvent;
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import com.taobao.tddl.dbsync.binlog.event.RotateLogEvent;
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/**
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* local bin log connection (not real connection)
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@@ -83,9 +83,9 @@ public class LocalBinLogConnection implements ErosaConnection {
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context.setLogPosition(new LogPosition(binlogfilename, binlogPosition));
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while (running) {
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boolean needContinue = true;
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LogEvent event;
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while (fetcher.fetch()) {
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event = decoder.decode(fetcher, context);
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LogEvent event = null;
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L:while (fetcher.fetch()) {
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/*event = decoder.decode(fetcher, context);
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if (event == null) {
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throw new CanalParseException("parse failed");
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}
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@@ -93,15 +93,20 @@ public class LocalBinLogConnection implements ErosaConnection {
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if (!func.sink(event)) {
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needContinue = false;
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break;
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}
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}*/
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// do {
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// event = decoder.decode(fetcher, context);
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// if (event != null && !func.sink(event)) {
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// needContinue = false;
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// break;
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// }
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// } while (event != null);
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do {
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if (event == null) {
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event = new RotateLogEvent(context.getLogPosition().getFileName(), context.getLogPosition().getPosition());
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} else {
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event = decoder.decode(fetcher, context);
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}
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if (event != null && !func.sink(event)) {
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needContinue = false;
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break L;
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}
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} while (event != null);
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}
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if (needContinue) {// 读取下一个
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@@ -145,6 +150,7 @@ public class LocalBinLogConnection implements ErosaConnection {
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FileLogFetcher fetcher = new FileLogFetcher(bufferSize);
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LogDecoder decoder = new LogDecoder();
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decoder.handle(LogEvent.FORMAT_DESCRIPTION_EVENT);
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decoder.handle(LogEvent.QUERY_EVENT);
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decoder.handle(LogEvent.XID_EVENT);
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LogContext context = new LogContext();
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@@ -1,10 +1,14 @@
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package com.alibaba.otter.canal.parse.inbound.mysql;
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import java.io.IOException;
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import org.apache.commons.lang.StringUtils;
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import com.alibaba.otter.canal.parse.CanalEventParser;
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import com.alibaba.otter.canal.parse.exception.CanalParseException;
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import com.alibaba.otter.canal.parse.inbound.ErosaConnection;
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import com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert;
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import com.alibaba.otter.canal.parse.inbound.mysql.dbsync.TableMetaCache;
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import com.alibaba.otter.canal.parse.index.CanalLogPositionManager;
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import com.alibaba.otter.canal.parse.support.AuthenticationInfo;
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import com.alibaba.otter.canal.protocol.position.EntryPosition;
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@@ -21,7 +25,9 @@ public class LocalBinlogEventParser extends AbstractMysqlEventParser implements
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// 数据库信息
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private AuthenticationInfo masterInfo;
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private EntryPosition masterPosition; // binlog信息
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private MysqlConnection metaConnection; // 查询meta信息的链接
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private TableMetaCache tableMetaCache; // 对应meta
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private String directory;
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private boolean needWait = false;
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private int bufferSize = 16 * 1024;
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@@ -33,17 +39,60 @@ public class LocalBinlogEventParser extends AbstractMysqlEventParser implements
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@Override
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protected ErosaConnection buildErosaConnection() {
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return buildLocalBinLogConnection();
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}
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}
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@Override
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protected void preDump(ErosaConnection connection) {
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metaConnection = buildMysqlConnection();
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try {
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metaConnection.connect();
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} catch (IOException e) {
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throw new CanalParseException(e);
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}
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tableMetaCache = new TableMetaCache(metaConnection);
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((LogEventConvert) binlogParser).setTableMetaCache(tableMetaCache);
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}
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public void start() throws CanalParseException {
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@Override
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protected void afterDump(ErosaConnection connection) {
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if (metaConnection != null) {
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try {
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metaConnection.disconnect();
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} catch (IOException e) {
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logger.error("ERROR # disconnect meta connection for address:{}", metaConnection.getConnector()
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.getAddress(), e);
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}
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}
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}
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public void start() throws CanalParseException {
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if (runningInfo == null) { // 第一次链接主库
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runningInfo = masterInfo;
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}
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super.start();
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}
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@Override
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public void stop() {
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if (metaConnection != null) {
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try {
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metaConnection.disconnect();
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} catch (IOException e) {
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logger.error("ERROR # disconnect meta connection for address:{}", metaConnection.getConnector()
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.getAddress(), e);
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}
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}
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private ErosaConnection buildLocalBinLogConnection() {
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if (tableMetaCache != null) {
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tableMetaCache.clearTableMeta();
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}
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super.stop();
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}
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private ErosaConnection buildLocalBinLogConnection() {
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LocalBinLogConnection connection = new LocalBinLogConnection();
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connection.setBufferSize(this.bufferSize);
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@@ -52,6 +101,19 @@ public class LocalBinlogEventParser extends AbstractMysqlEventParser implements
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return connection;
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}
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private MysqlConnection buildMysqlConnection() {
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MysqlConnection connection = new MysqlConnection(runningInfo.getAddress(),
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runningInfo.getUsername(),
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runningInfo.getPassword(),
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connectionCharsetNumber,
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runningInfo.getDefaultDatabaseName());
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connection.getConnector().setReceiveBufferSize(64 * 1024);
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connection.getConnector().setSendBufferSize(64 * 1024);
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connection.getConnector().setSoTimeout(30 * 1000);
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connection.setCharset(connectionCharset);
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return connection;
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}
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@Override
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protected EntryPosition findStartPosition(ErosaConnection connection) {
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@@ -9,6 +9,8 @@ import java.util.Timer;
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import java.util.TimerTask;
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import java.util.concurrent.locks.Condition;
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import java.util.concurrent.locks.ReentrantLock;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.io.filefilter.IOFileFilter;
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@@ -188,7 +190,9 @@ public class BinLogFileQueue {
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files.addAll(FileUtils.listFiles(directory, new IOFileFilter() {
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public boolean accept(File file) {
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return file.getName().startsWith(baseName);
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Pattern pattern = Pattern.compile("\\d+$");
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Matcher matcher = pattern.matcher(file.getName());
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return file.getName().startsWith(baseName) && matcher.find();
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}
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public boolean accept(File dir, String name) {
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Reference in New Issue
Block a user