Java Code Examples for com.alibaba.rocketmq.common.UtilAll#crc32()

The following examples show how to use com.alibaba.rocketmq.common.UtilAll#crc32() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: FilterClassManager.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 5 votes vote down vote up 
private void fetchClassFromRemoteHost() {
    Iterator<Entry<String, FilterClassInfo>> it = this.filterClassTable.entrySet().iterator();
    while (it.hasNext()) {
        try {
            Entry<String, FilterClassInfo> next = it.next();
            FilterClassInfo filterClassInfo = next.getValue();
            String[] topicAndGroup = next.getKey().split("@");
            String responseStr =
                    this.filterClassFetchMethod.fetch(topicAndGroup[0], topicAndGroup[1],
                        filterClassInfo.getClassName());
            byte[] filterSourceBinary = responseStr.getBytes("UTF-8");
            int classCRC = UtilAll.crc32(responseStr.getBytes("UTF-8"));
            if (classCRC != filterClassInfo.getClassCRC()) {
                String javaSource = new String(filterSourceBinary, MixAll.DEFAULT_CHARSET);
                Class<?> newClass =
                        DynaCode.compileAndLoadClass(filterClassInfo.getClassName(), javaSource);
                Object newInstance = newClass.newInstance();
                filterClassInfo.setMessageFilter((MessageFilter) newInstance);
                filterClassInfo.setClassCRC(classCRC);

                log.info("fetch Remote class File OK, {} {}", next.getKey(),
                    filterClassInfo.getClassName());
            }
        }
        catch (Exception e) {
            log.error("fetchClassFromRemoteHost Exception", e);
        }
    }
}
Example 2
Source File: MQClientInstance.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
private void uploadFilterClassToAllFilterServer(final String consumerGroup, final String fullClassName, final String topic,
                                                final String filterClassSource) throws UnsupportedEncodingException {
    byte[] classBody = null;
    int classCRC = 0;
    try {
        classBody = filterClassSource.getBytes(MixAll.DEFAULT_CHARSET);
        classCRC = UtilAll.crc32(classBody);
    } catch (Exception e1) {
        log.warn("uploadFilterClassToAllFilterServer Exception, ClassName: {} {}", //
                fullClassName, //
                RemotingHelper.exceptionSimpleDesc(e1));
    }

    TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
    if (topicRouteData != null //
            && topicRouteData.getFilterServerTable() != null && !topicRouteData.getFilterServerTable().isEmpty()) {
        Iterator<Entry<String, List<String>>> it = topicRouteData.getFilterServerTable().entrySet().iterator();
        while (it.hasNext()) {
            Entry<String, List<String>> next = it.next();
            List<String> value = next.getValue();
            for (final String fsAddr : value) {
                try {
                    this.mQClientAPIImpl.registerMessageFilterClass(fsAddr, consumerGroup, topic, fullClassName, classCRC, classBody,
                            5000);

                    log.info("register message class filter to {} OK, ConsumerGroup: {} Topic: {} ClassName: {}", fsAddr, consumerGroup,
                            topic, fullClassName);

                } catch (Exception e) {
                    log.error("uploadFilterClassToAllFilterServer Exception", e);
                }
            }
        }
    } else {
        log.warn("register message class filter failed, because no filter server, ConsumerGroup: {} Topic: {} ClassName: {}",
                consumerGroup, topic, fullClassName);
    }
}
Example 3
Source File: FilterClassManager.java    From rocketmq with Apache License 2.0 5 votes vote down vote up 
private void fetchClassFromRemoteHost() {
    Iterator<Entry<String, FilterClassInfo>> it = this.filterClassTable.entrySet().iterator();
    while (it.hasNext()) {
        try {
            Entry<String, FilterClassInfo> next = it.next();
            FilterClassInfo filterClassInfo = next.getValue();
            String[] topicAndGroup = next.getKey().split("@");
            String responseStr =
                    this.filterClassFetchMethod.fetch(topicAndGroup[0], topicAndGroup[1],
                            filterClassInfo.getClassName());
            byte[] filterSourceBinary = responseStr.getBytes("UTF-8");
            int classCRC = UtilAll.crc32(responseStr.getBytes("UTF-8"));
            if (classCRC != filterClassInfo.getClassCRC()) {
                String javaSource = new String(filterSourceBinary, MixAll.DEFAULT_CHARSET);
                Class<?> newClass =
                        DynaCode.compileAndLoadClass(filterClassInfo.getClassName(), javaSource);
                Object newInstance = newClass.newInstance();
                filterClassInfo.setMessageFilter((MessageFilter) newInstance);
                filterClassInfo.setClassCRC(classCRC);

                log.info("fetch Remote class File OK, {} {}", next.getKey(),
                        filterClassInfo.getClassName());
            }
        } catch (Exception e) {
            log.error("fetchClassFromRemoteHost Exception", e);
        }
    }
}
Example 4
Source File: FilterClassManager.java    From RocketMQ-Master-analyze with Apache License 2.0 5 votes vote down vote up 
private void fetchClassFromRemoteHost() {
    Iterator<Entry<String, FilterClassInfo>> it = this.filterClassTable.entrySet().iterator();
    while (it.hasNext()) {
        try {
            Entry<String, FilterClassInfo> next = it.next();
            FilterClassInfo filterClassInfo = next.getValue();
            String[] topicAndGroup = next.getKey().split("@");
            String responseStr = this.filterClassFetchMethod.fetch(topicAndGroup[0], topicAndGroup[1],
                filterClassInfo.getClassName());
            byte[] filterSourceBinary = responseStr.getBytes("UTF-8");
            int classCRC = UtilAll.crc32(responseStr.getBytes("UTF-8"));
            if (classCRC != filterClassInfo.getClassCRC()) {
                String javaSource = new String(filterSourceBinary, MixAll.DEFAULT_CHARSET);
                Class<?> newClass =
                        DynaCode.compileAndLoadClass(filterClassInfo.getClassName(), javaSource);
                Object newInstance = newClass.newInstance();
                filterClassInfo.setMessageFilter((MessageFilter) newInstance);
                filterClassInfo.setClassCRC(classCRC);

                log.info("fetch Remote class File OK, {} {}", next.getKey(),
                    filterClassInfo.getClassName());
            }
        }
        catch (Exception e) {
            log.error("fetchClassFromRemoteHost Exception", e);
        }
    }
}
Example 5
Source File: MQClientInstance.java    From reading-and-annotate-rocketmq-3.4.6 with GNU General Public License v3.0 4 votes vote down vote up 
private void uploadFilterClassToAllFilterServer(final String consumerGroup, final String fullClassName, final String topic,
        final String filterClassSource) throws UnsupportedEncodingException {
    byte[] classBody = null;
    int classCRC = 0;
    try {
        classBody = filterClassSource.getBytes(MixAll.DEFAULT_CHARSET);
        classCRC = UtilAll.crc32(classBody);
    }
    catch (Exception e1) {
        log.warn("uploadFilterClassToAllFilterServer Exception, ClassName: {} {}", //
            fullClassName,//
            RemotingHelper.exceptionSimpleDesc(e1));
    }

    TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
    if (topicRouteData != null //
            && topicRouteData.getFilterServerTable() != null && !topicRouteData.getFilterServerTable().isEmpty()) {
        Iterator<Entry<String, List<String>>> it = topicRouteData.getFilterServerTable().entrySet().iterator();
        while (it.hasNext()) {
            Entry<String, List<String>> next = it.next();
            List<String> value = next.getValue();
            for (final String fsAddr : value) {
                try {
                    this.mQClientAPIImpl.registerMessageFilterClass(fsAddr, consumerGroup, topic, fullClassName, classCRC, classBody,
                        5000);

                    log.info("register message class filter to {} OK, ConsumerGroup: {} Topic: {} ClassName: {}", fsAddr,
                        consumerGroup, topic, fullClassName);

                }
                catch (Exception e) {
                    log.error("uploadFilterClassToAllFilterServer Exception", e);
                }
            }
        }
    }
    else {
        log.warn("register message class filter failed, because no filter server, ConsumerGroup: {} Topic: {} ClassName: {}",
            consumerGroup, topic, fullClassName);
    }
}
Example 6
Source File: MQClientInstance.java    From RocketMQ-Master-analyze with Apache License 2.0 4 votes vote down vote up 
private void uploadFilterClassToAllFilterServer(final String consumerGroup, final String fullClassName,
                                                final String topic, final String filterClassSource) throws
        UnsupportedEncodingException {
    byte[] classBody = null;
    int classCRC = 0;
    try {
        classBody = filterClassSource.getBytes(MixAll.DEFAULT_CHARSET);
        classCRC = UtilAll.crc32(classBody);
    } catch (Exception e1) {
        log.warn("uploadFilterClassToAllFilterServer Exception, ClassName: {} {}", //
                fullClassName, //
                RemotingHelper.exceptionSimpleDesc(e1));
    }

    TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
    if (topicRouteData != null //
            && topicRouteData.getFilterServerTable() != null
            && !topicRouteData.getFilterServerTable().isEmpty()) {
        Iterator<Entry<String, List<String>>> it =
                topicRouteData.getFilterServerTable().entrySet().iterator();
        while (it.hasNext()) {
            Entry<String, List<String>> next = it.next();
            List<String> value = next.getValue();
            for (final String fsAddr : value) {
                try {
                    this.mQClientAPIImpl.registerMessageFilterClass(fsAddr, consumerGroup, topic,
                            fullClassName, classCRC, classBody, 5000);

                    log.info(
                            "register message class filter to {} OK, ConsumerGroup: {} Topic: {} ClassName: {}",
                            fsAddr, consumerGroup, topic, fullClassName);

                } catch (Exception e) {
                    log.error("uploadFilterClassToAllFilterServer Exception", e);
                }
            }
        }
    } else {
        log.warn(
                "register message class filter failed, because no filter server, ConsumerGroup: {} Topic: {} " +
                        "ClassName: {}",
                consumerGroup, topic, fullClassName);
    }
}