Package com.taobao.tddl.dbsync.binlog

Examples of com.taobao.tddl.dbsync.binlog.LogContext

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        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) {
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        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) {
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    public void dump(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        File current = new File(directory, binlogfilename);

        FileLogFetcher fetcher = new FileLogFetcher(bufferSize);
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        try {
            fetcher.open(current, binlogPosition);
            context.setLogPosition(new LogPosition(binlogfilename, binlogPosition));
            while (running) {
                boolean needContinue = true;
                while (fetcher.fetch()) {
                    LogEvent event = decoder.decode(fetcher, context);
                    if (event == null) {
                        throw new CanalParseException("parse failed");
                    }
                    if (!func.sink(event)) {
                        needContinue = false;
                        break;
                    }
                }

                if (needContinue) {// 读取下一个
                    fetcher.close(); // 关闭上一个文件

                    File nextFile;
                    if (needWait) {
                        nextFile = binlogs.waitForNextFile(current);
                    } else {
                        nextFile = binlogs.getNextFile(current);
                    }

                    if (nextFile == null) {
                        break;
                    }

                    current = nextFile;

                    fetcher.open(current);
                    context.setLogPosition(new LogPosition(binlogfilename));
                } else {
                    break;// 跳出
                }
            }
        } catch (InterruptedException e) {
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        FileLogFetcher fetcher = new FileLogFetcher(bufferSize);
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        try {
            fetcher.open(current);
            context.setLogPosition(new LogPosition(current.getName()));
            while (running) {
                boolean needContinue = true;
                String lastXidLogFilename = current.getName();
                long lastXidLogFileOffset = 4;
                long currentOffset = 0L;

                binlogFilename = lastXidLogFilename;
                binlogFileOffset = lastXidLogFileOffset;
                while (fetcher.fetch()) {
                    LogEvent event = decoder.decode(fetcher, context);
                    if (event == null) {
                        throw new CanalParseException("parse failed");
                    }

                    if (timestampSeconds > event.getWhen()) {
                        needContinue = false;
                        break;
                    }

                    currentOffset += event.getEventLen();
                    if (LogEvent.QUERY_EVENT == event.getHeader().getType()) {
                        if (StringUtils.endsWithIgnoreCase(((QueryLogEvent) event).getQuery(), "BEGIN")) {
                            binlogFilename = lastXidLogFilename;
                            binlogFileOffset = lastXidLogFileOffset;
                        } else if (LogEvent.XID_EVENT == event.getHeader().getType()) {
                            lastXidLogFilename = current.getName();
                            lastXidLogFileOffset = currentOffset;
                        }
                    }
                }

                if (needContinue) {// 读取下一个
                    fetcher.close(); // 关闭上一个文件

                    File nextFile = binlogs.getBefore(current);
                    if (nextFile == null) {
                        break;
                    }

                    current = nextFile;
                    fetcher.open(current);
                    context.setLogPosition(new LogPosition(current.getName()));
                } else {
                    break;// 跳出
                }
            }
        } finally {
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        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) {
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        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) {
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    public void dump(String binlogfilename, Long binlogPosition, SinkFunction func) throws IOException {
        File current = new File(directory, binlogfilename);

        FileLogFetcher fetcher = new FileLogFetcher(bufferSize);
        LogDecoder decoder = new LogDecoder(LogEvent.UNKNOWN_EVENT, LogEvent.ENUM_END_EVENT);
        LogContext context = new LogContext();
        try {
            fetcher.open(current, binlogPosition);
            context.setLogPosition(new LogPosition(binlogfilename, binlogPosition));
            while (running) {
                boolean needContinue = true;
                while (fetcher.fetch()) {
                    LogEvent event;
                    do {
                        event = decoder.decode(fetcher, context);
                        if (event != null && !func.sink(event)) {
                            needContinue = false;
                            break;
                        }
                    } while (event != null);
                }

                if (needContinue) {// 读取下一个
                    fetcher.close(); // 关闭上一个文件

                    File nextFile;
                    if (needWait) {
                        nextFile = binlogs.waitForNextFile(current);
                    } else {
                        nextFile = binlogs.getNextFile(current);
                    }

                    if (nextFile == null) {
                        break;
                    }

                    current = nextFile;

                    fetcher.open(current);
                    context.setLogPosition(new LogPosition(binlogfilename));
                } else {
                    break;// 跳出
                }
            }
        } catch (InterruptedException e) {
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        FileLogFetcher fetcher = new FileLogFetcher(bufferSize);
        LogDecoder decoder = new LogDecoder();
        decoder.handle(LogEvent.QUERY_EVENT);
        decoder.handle(LogEvent.XID_EVENT);
        LogContext context = new LogContext();
        try {
            fetcher.open(current);
            context.setLogPosition(new LogPosition(current.getName()));
            while (running) {
                boolean needContinue = true;
                String lastXidLogFilename = current.getName();
                long lastXidLogFileOffset = 4;
                long currentOffset = 0L;

                binlogFilename = lastXidLogFilename;
                binlogFileOffset = lastXidLogFileOffset;
                while (fetcher.fetch()) {
                    LogEvent event;
                    do {
                        event = decoder.decode(fetcher, context);
                        if (timestampSeconds > event.getWhen()) {
                            needContinue = false;
                            break;
                        }
                    } while (event != null);

                    currentOffset += event.getEventLen();
                    if (LogEvent.QUERY_EVENT == event.getHeader().getType()) {
                        if (StringUtils.endsWithIgnoreCase(((QueryLogEvent) event).getQuery(), "BEGIN")) {
                            binlogFilename = lastXidLogFilename;
                            binlogFileOffset = lastXidLogFileOffset;
                        } else if (LogEvent.XID_EVENT == event.getHeader().getType()) {
                            lastXidLogFilename = current.getName();
                            lastXidLogFileOffset = currentOffset;
                        }
                    }
                }

                if (needContinue) {// 读取下一个
                    fetcher.close(); // 关闭上一个文件

                    File nextFile = binlogs.getBefore(current);
                    if (nextFile == null) {
                        break;
                    }

                    current = nextFile;
                    fetcher.open(current);
                    context.setLogPosition(new LogPosition(current.getName()));
                } else {
                    break;// 跳出
                }
            }
        } finally {
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        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) {
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        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) {
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