fixed issue #626 , support mysql xa parse

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogDecoder.java

@@ -30,15 +30,19 @@ import com.taobao.tddl.dbsync.binlog.event.RowsQueryLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.StartLogEventV3;
 import com.taobao.tddl.dbsync.binlog.event.StopLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.TableMapLogEvent;
+import com.taobao.tddl.dbsync.binlog.event.TransactionContextLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.UnknownLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.UpdateRowsLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.UserVarLogEvent;
+import com.taobao.tddl.dbsync.binlog.event.ViewChangeEvent;
 import com.taobao.tddl.dbsync.binlog.event.WriteRowsLogEvent;
+import com.taobao.tddl.dbsync.binlog.event.XaPrepareLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.XidLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.mariadb.AnnotateRowsEvent;
 import com.taobao.tddl.dbsync.binlog.event.mariadb.BinlogCheckPointLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.mariadb.MariaGtidListLogEvent;
 import com.taobao.tddl.dbsync.binlog.event.mariadb.MariaGtidLogEvent;
+import com.taobao.tddl.dbsync.binlog.event.mariadb.StartEncryptionLogEvent;
 
 /**
  * Implements a binary-log decoder.
@@ -366,6 +370,24 @@ public final class LogDecoder {
                 logPosition.position = header.getLogPos();
                 return event;
             }
+            case LogEvent.TRANSACTION_CONTEXT_EVENT: {
+                TransactionContextLogEvent event = new TransactionContextLogEvent(header, buffer, descriptionEvent);
+                /* updating position in context */
+                logPosition.position = header.getLogPos();
+                return event;
+            }
+            case LogEvent.VIEW_CHANGE_EVENT: {
+                ViewChangeEvent event = new ViewChangeEvent(header, buffer, descriptionEvent);
+                /* updating position in context */
+                logPosition.position = header.getLogPos();
+                return event;
+            }
+            case LogEvent.XA_PREPARE_LOG_EVENT: {
+                XaPrepareLogEvent event = new XaPrepareLogEvent(header, buffer, descriptionEvent);
+                /* updating position in context */
+                logPosition.position = header.getLogPos();
+                return event;
+            }
             case LogEvent.ANNOTATE_ROWS_EVENT: {
                 AnnotateRowsEvent event = new AnnotateRowsEvent(header, buffer, descriptionEvent);
                 /* updating position in context */
@@ -390,6 +412,12 @@ public final class LogDecoder {
                 logPosition.position = header.getLogPos();
                 return event;
             }
+            case LogEvent.START_ENCRYPTION_EVENT: {
+                StartEncryptionLogEvent event = new StartEncryptionLogEvent(header, buffer, descriptionEvent);
+                /* updating position in context */
+                logPosition.position = header.getLogPos();
+                return event;
+            }
             default:
                 /*
                  * Create an object of Ignorable_log_event for unrecognized
@@ -402,9 +430,10 @@ public final class LogDecoder {
                     logPosition.position = header.getLogPos();
                     return event;
                 } else {
-                    if (logger.isWarnEnabled()) logger.warn("Skipping unrecognized binlog event "
-                                                            + LogEvent.getTypeName(header.getType()) + " from: "
-                                                            + context.getLogPosition());
+                    if (logger.isWarnEnabled()) {
+                        logger.warn("Skipping unrecognized binlog event " + LogEvent.getTypeName(header.getType())
+                                    + " from: " + context.getLogPosition());
+                    }
                 }
         }
 

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogEvent.java

@@ -161,9 +161,17 @@ public abstract class LogEvent {
 
     public static final int    PREVIOUS_GTIDS_LOG_EVENT                 = 35;
 
+    /* MySQL 5.7 events */
+    public static final int    TRANSACTION_CONTEXT_EVENT                = 36;
+
+    public static final int    VIEW_CHANGE_EVENT                        = 37;
+
+    /* Prepared XA transaction terminal event similar to Xid */
+    public static final int    XA_PREPARE_LOG_EVENT                     = 38;
+
     // mariaDb 5.5.34
     /* New MySQL/Sun events are to be added right above this comment */
-    public static final int    MYSQL_EVENTS_END                         = 36;
+    public static final int    MYSQL_EVENTS_END                         = 39;
 
     public static final int    MARIA_EVENTS_BEGIN                       = 160;
     /* New Maria event numbers start from here */
@@ -189,8 +197,10 @@ public abstract class LogEvent {
      */
     public static final int    GTID_LIST_EVENT                          = 163;
 
+    public static final int    START_ENCRYPTION_EVENT                   = 164;
+
     /** end marker */
-    public static final int    ENUM_END_EVENT                           = 164;
+    public static final int    ENUM_END_EVENT                           = 165;
 
     /**
      * 1 byte length, 1 byte format Length is total length in bytes, including 2
@@ -351,6 +361,22 @@ public abstract class LogEvent {
                 return "Anonymous_Gtid";
             case PREVIOUS_GTIDS_LOG_EVENT:
                 return "Previous_gtids";
+            case TRANSACTION_CONTEXT_EVENT:
+                return "Transaction_context";
+            case VIEW_CHANGE_EVENT:
+                return "View_change";
+            case XA_PREPARE_LOG_EVENT:
+                return "XA_prepare";
+            case ANNOTATE_ROWS_EVENT:
+                return "Annotate_rows";
+            case BINLOG_CHECKPOINT_EVENT:
+                return "Binlog_checkpoint";
+            case GTID_EVENT:
+                return "Gtid";
+            case GTID_LIST_EVENT:
+                return "Gtid_list";
+            case START_ENCRYPTION_EVENT:
+                return "Start_encryption";
             default:
                 return "Unknown"; /* impossible */
         }
@@ -359,7 +385,7 @@ public abstract class LogEvent {
     protected static final Log logger = LogFactory.getLog(LogEvent.class);
 
     protected final LogHeader  header;
-    
+
     /**
      * mysql半同步semi标识
      * 
@@ -369,18 +395,16 @@ public abstract class LogEvent {
      * </pre>
      */
     protected int              semival;
-    
-    
 
     public int getSemival() {
-		return semival;
-	}
+        return semival;
+    }
 
-	public void setSemival(int semival) {
-		this.semival = semival;
-	}
+    public void setSemival(int semival) {
+        this.semival = semival;
+    }
 
-	protected LogEvent(LogHeader header){
+    protected LogEvent(LogHeader header){
         this.header = header;
     }
 

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/FormatDescriptionLogEvent.java

@@ -59,10 +59,15 @@ public final class FormatDescriptionLogEvent extends StartLogEventV3 {
     public static final int   HEARTBEAT_HEADER_LEN                = 0;
     public static final int   IGNORABLE_HEADER_LEN                = 0;
     public static final int   ROWS_HEADER_LEN_V2                  = 10;
+    public static final int   TRANSACTION_CONTEXT_HEADER_LEN      = 18;
+    public static final int   VIEW_CHANGE_HEADER_LEN              = 52;
+    public static final int   XA_PREPARE_HEADER_LEN               = 0;
+
     public static final int   ANNOTATE_ROWS_HEADER_LEN            = 0;
     public static final int   BINLOG_CHECKPOINT_HEADER_LEN        = 4;
     public static final int   GTID_HEADER_LEN                     = 19;
     public static final int   GTID_LIST_HEADER_LEN                = 4;
+    public static final int   START_ENCRYPTION_HEADER_LEN         = 0;
 
     public static final int   POST_HEADER_LENGTH                  = 11;
 
@@ -202,11 +207,17 @@ public final class FormatDescriptionLogEvent extends StartLogEventV3 {
                 postHeaderLen[GTID_LOG_EVENT - 1] = POST_HEADER_LENGTH;
                 postHeaderLen[ANONYMOUS_GTID_LOG_EVENT - 1] = POST_HEADER_LENGTH;
                 postHeaderLen[PREVIOUS_GTIDS_LOG_EVENT - 1] = IGNORABLE_HEADER_LEN;
+
+                postHeaderLen[TRANSACTION_CONTEXT_EVENT - 1] = TRANSACTION_CONTEXT_HEADER_LEN;
+                postHeaderLen[VIEW_CHANGE_EVENT - 1] = VIEW_CHANGE_HEADER_LEN;
+                postHeaderLen[XA_PREPARE_LOG_EVENT - 1] = XA_PREPARE_HEADER_LEN;
+
                 // mariadb 10
                 postHeaderLen[ANNOTATE_ROWS_EVENT - 1] = ANNOTATE_ROWS_HEADER_LEN;
                 postHeaderLen[BINLOG_CHECKPOINT_EVENT - 1] = BINLOG_CHECKPOINT_HEADER_LEN;
                 postHeaderLen[GTID_EVENT - 1] = GTID_HEADER_LEN;
                 postHeaderLen[GTID_LIST_EVENT - 1] = GTID_LIST_HEADER_LEN;
+                postHeaderLen[START_ENCRYPTION_EVENT - 1] = START_ENCRYPTION_HEADER_LEN;
                 break;
 
             case 3: /* 4.0.x x>=2 */

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/TransactionContextLogEvent.java

+package com.taobao.tddl.dbsync.binlog.event;
+
+import com.taobao.tddl.dbsync.binlog.LogBuffer;
+import com.taobao.tddl.dbsync.binlog.LogEvent;
+
+/**
+ * @author agapple 2018年5月7日 下午7:05:39
+ * @version 1.0.26
+ * @since mysql 5.7
+ */
+public class TransactionContextLogEvent extends LogEvent {
+
+    public TransactionContextLogEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent){
+        super(header);
+    }
+}

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/ViewChangeEvent.java

+package com.taobao.tddl.dbsync.binlog.event;
+
+import com.taobao.tddl.dbsync.binlog.LogBuffer;
+import com.taobao.tddl.dbsync.binlog.LogEvent;
+
+/**
+ * @author agapple 2018年5月7日 下午7:05:39
+ * @version 1.0.26
+ * @since mysql 5.7
+ */
+public class ViewChangeEvent extends LogEvent {
+
+    public ViewChangeEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent){
+        super(header);
+    }
+}

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/XaPrepareLogEvent.java

+package com.taobao.tddl.dbsync.binlog.event;
+
+import com.taobao.tddl.dbsync.binlog.LogBuffer;
+import com.taobao.tddl.dbsync.binlog.LogEvent;
+
+/**
+ * @author agapple 2018年5月7日 下午7:05:39
+ * @version 1.0.26
+ * @since mysql 5.7
+ */
+public class XaPrepareLogEvent extends LogEvent {
+
+    private boolean onePhase;
+    private int     formatId;
+    private int     gtridLength;
+    private int     bqualLength;
+    private byte[]  data;
+
+    public XaPrepareLogEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent){
+        super(header);
+
+        final int commonHeaderLen = descriptionEvent.getCommonHeaderLen();
+        final int postHeaderLen = descriptionEvent.getPostHeaderLen()[header.getType() - 1];
+
+        int offset = commonHeaderLen + postHeaderLen;
+        buffer.position(offset);
+
+        onePhase = (buffer.getInt8() == 0x00 ? false : true);
+
+        formatId = buffer.getInt32();
+        gtridLength = buffer.getInt32();
+        bqualLength = buffer.getInt32();
+
+        int MY_XIDDATASIZE = 128;
+        if (MY_XIDDATASIZE >= gtridLength + bqualLength && gtridLength >= 0 && gtridLength <= 64 && bqualLength >= 0
+            && bqualLength <= 64) {
+            data = buffer.getData(gtridLength + bqualLength);
+        } else {
+            formatId = -1;
+            gtridLength = 0;
+            bqualLength = 0;
+        }
+    }
+
+    public boolean isOnePhase() {
+        return onePhase;
+    }
+
+    public int getFormatId() {
+        return formatId;
+    }
+
+    public int getGtridLength() {
+        return gtridLength;
+    }
+
+    public int getBqualLength() {
+        return bqualLength;
+    }
+
+    public byte[] getData() {
+        return data;
+    }
+
+}

dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/mariadb/StartEncryptionLogEvent.java

+package com.taobao.tddl.dbsync.binlog.event.mariadb;
+
+import com.taobao.tddl.dbsync.binlog.LogBuffer;
+import com.taobao.tddl.dbsync.binlog.LogEvent;
+import com.taobao.tddl.dbsync.binlog.event.FormatDescriptionLogEvent;
+import com.taobao.tddl.dbsync.binlog.event.LogHeader;
+
+/**
+ * mariadb的Start_encryption_log_event
+ * 
+ * @author agapple 2018年5月7日 下午7:23:02
+ * @version 1.0.26
+ */
+public class StartEncryptionLogEvent extends LogEvent {
+
+    public StartEncryptionLogEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent){
+        super(header);
+    }
+}

parse/src/test/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlDumpTest.java

@@ -27,7 +27,8 @@ public class MysqlDumpTest {
     @Test
     public void testSimple() {
         final MysqlEventParser controller = new MysqlEventParser();
-        final EntryPosition startPosition = new EntryPosition("mysql-bin.000010", 154L);
+        final EntryPosition startPosition = new EntryPosition("mysql-bin.000010", 154L, 100L);
+        startPosition.setGtid("f1ceb61a-a5d5-11e7-bdee-107c3dbcf8a7:1-17");
         controller.setConnectionCharset(Charset.forName("UTF-8"));
         controller.setSlaveId(3344L);
         controller.setDetectingEnable(false);