Package com.alibaba.otter.canal.parse.inbound.mysql.dbsync

Examples of com.alibaba.otter.canal.parse.inbound.mysql.dbsync.DirectLogFetcher

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    public void seek(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        checkBinlogFormat();
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.ROTATE_EVENT);
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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    public void dump(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        checkBinlogFormat();
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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    public void seek(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        checkBinlogFormat();
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.ROTATE_EVENT);
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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    public void dump(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        checkBinlogFormat();
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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     */
    public void seek(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.ROTATE_EVENT);
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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        if (!format.isRow()) {
            logger.warn("binlog_format : {} , it will not have rowData before/after columns", format.toString());
        }

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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public class DirectLogFetcherTest {

    @Test
    public void testSimple() {
        DirectLogFetcher fetcher = new DirectLogFetcher();
        try {
            MysqlConnector connector = new MysqlConnector(new InetSocketAddress("127.0.0.1", 3306), "xxxxx", "xxxxx");
            connector.connect();
            sendBinlogDump(connector, "mysql-bin.001016", 4L, 3);

            fetcher.start(connector.getChannel());

            LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
            LogContext context = new LogContext();
            while (fetcher.fetch()) {
                LogEvent event = null;
                event = decoder.decode(fetcher, context);

                if (event == null) {
                    throw new RuntimeException("parse failed");
                }

                int eventType = event.getHeader().getType();
                switch (eventType) {
                    case LogEvent.ROTATE_EVENT:
                        // binlogFileName = ((RotateLogEvent)
                        // event).getFilename();
                        break;
                    case LogEvent.WRITE_ROWS_EVENT_V1:
                    case LogEvent.WRITE_ROWS_EVENT:
                        // parseRowsEvent((WriteRowsLogEvent) event);
                        break;
                    case LogEvent.UPDATE_ROWS_EVENT_V1:
                    case LogEvent.UPDATE_ROWS_EVENT:
                        // parseRowsEvent((UpdateRowsLogEvent) event);
                        break;
                    case LogEvent.DELETE_ROWS_EVENT_V1:
                    case LogEvent.DELETE_ROWS_EVENT:
                        // parseRowsEvent((DeleteRowsLogEvent) event);
                        break;
                    case LogEvent.QUERY_EVENT:
                        // parseQueryEvent((QueryLogEvent) event);
                        break;
                    case LogEvent.ROWS_QUERY_LOG_EVENT:
                        // parseRowsQueryEvent((RowsQueryLogEvent) event);
                        break;
                    case LogEvent.ANNOTATE_ROWS_EVENT:
                        break;
                    case LogEvent.XID_EVENT:
                        break;
                    default:
                        break;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            Assert.fail(e.getMessage());
        } finally {
            try {
                fetcher.close();
            } catch (IOException e) {
                Assert.fail(e.getMessage());
            }
        }
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     */
    public void seek(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.ROTATE_EVENT);
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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        if (!format.isRow()) {
            logger.warn("binlog_format : {} , it will not have rowData before/after columns", format.toString());
        }

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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     */
    public void seek(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        updateSettings();

        sendBinlogDump(binlogfilename, binlogPosition);
        DirectLogFetcher fetcher = new DirectLogFetcher(connector.getReceiveBufferSize());
        fetcher.start(connector.getChannel());
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.ROTATE_EVENT);
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        while (fetcher.fetch()) {
            LogEvent event = null;
            event = decoder.decode(fetcher, context);

            if (event == null) {
                throw new CanalParseException("parse failed");
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Related Classes of com.alibaba.otter.canal.parse.inbound.mysql.dbsync.DirectLogFetcher

  • com.alibaba.otter.canal.parse.DirectLogFetcherTest
  • com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection
  • java.nio.ByteBuffer
  • java.io.IOException
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