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fixed semi sync format & refactor

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This commit is contained in:
agapple
2017-12-27 16:53:09 +08:00
parent c6f4de9f88
commit 9595e6abbd
7 changed files with 81 additions and 90 deletions
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6
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogDecoder.java
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@@ -108,8 +108,10 @@ public final class LogDecoder {
event.setSemival(buffer.semival);
}
} catch (IOException e) {
if (logger.isWarnEnabled()) logger.warn("Decoding " + LogEvent.getTypeName(header.getType())
+ " failed from: " + context.getLogPosition(), e);
if (logger.isWarnEnabled()) {
logger.warn("Decoding " + LogEvent.getTypeName(header.getType()) + " failed from: "
+ context.getLogPosition(), e);
}
throw e;
} finally {
buffer.limit(limit); /* Restore limit */

7
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java
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@@ -361,7 +361,12 @@ public abstract class LogEvent {
protected final LogHeader header;
/**
* mysql半同步semi标识 0不需要semi ack 给mysql, 1需要semi ack给mysql
* mysql半同步semi标识
*
* <pre>
* 0不需要semi ack 给mysql
* 1需要semi ack给mysql
* </pre>
*/
protected int semival;

23
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/mariadb/MariaGtidLogEvent.java
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@@ -16,21 +16,17 @@ public class MariaGtidLogEvent extends IgnorableLogEvent {
private long gtid;
/**
* <pre>
* mariadb gtidlog event format
* uint<8> GTID sequence
* uint<4> Replication Domain ID
* uint<1> Flags
*
uint<8> GTID sequence
uint<4> Replication Domain ID
uint<1> Flags
if flag & FL_GROUP_COMMIT_ID
uint<8> commit_id
else
uint<6> 0
*
* if flag & FL_GROUP_COMMIT_ID
* uint<8> commit_id
* else
* uint<6> 0
* </pre>
*/
public MariaGtidLogEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent){
@@ -43,5 +39,4 @@ public class MariaGtidLogEvent extends IgnorableLogEvent {
return gtid;
}
}

5
driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/packets/client/SemiAckCommandPacket.java
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@@ -10,13 +10,12 @@ import com.alibaba.otter.canal.parse.driver.mysql.utils.ByteHelper;
/**
* semi ack command
* @author amos_chen
*
* @author amos_chen
*/
public class SemiAckCommandPacket extends CommandPacket {
public long binlogPosition;
public String binlogFileName;
public SemiAckCommandPacket(){
@@ -25,8 +24,6 @@ public class SemiAckCommandPacket extends CommandPacket {
@Override
public void fromBytes(byte[] data) throws IOException {
// TODO Auto-generated method stub
}
/**

14
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlConnection.java
View File

@@ -25,7 +25,6 @@ import com.alibaba.otter.canal.parse.support.AuthenticationInfo;
import com.taobao.tddl.dbsync.binlog.LogContext;
import com.taobao.tddl.dbsync.binlog.LogDecoder;
import com.taobao.tddl.dbsync.binlog.LogEvent;
import com.taobao.tddl.dbsync.binlog.event.RotateLogEvent;
public class MysqlConnection implements ErosaConnection {
@@ -37,8 +36,6 @@ public class MysqlConnection implements ErosaConnection {
private BinlogFormat binlogFormat;
private BinlogImage binlogImage;
private String binlogfilename;
// tsdb releated
private AuthenticationInfo authInfo;
protected int connTimeout = 5 * 1000; // 5秒
@@ -146,17 +143,12 @@ public class MysqlConnection implements ErosaConnection {
throw new CanalParseException("parse failed");
}
//binlog日志文件发生变化
if(event.getHeader().getType()==LogEvent.ROTATE_EVENT){
binlogfilename=((RotateLogEvent)event).getFilename();
}
if (!func.sink(event)) {
break;
}else{
if(event.getSemival()==1){
sendSemiAck(binlogfilename, binlogPosition);
}
if (event.getSemival() == 1) {
sendSemiAck(context.getLogPosition().getFileName(), binlogPosition);
}
}
}