response.setRemark(errorMsg);
return response;
}
// 检查topic是否存在
TopicConfig topicConfig =
this.brokerController.getTopicConfigManager().selectTopicConfig(requestHeader.getTopic());
if (null == topicConfig) {
log.warn("the topic " + requestHeader.getTopic() + " not exist, producer: "
+ ctx.channel().remoteAddress());
topicConfig = this.brokerController.getTopicConfigManager().createTopicInSendMessageMethod(//
requestHeader.getTopic(), //
requestHeader.getDefaultTopic(), //
RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
requestHeader.getDefaultTopicQueueNums());
// 尝试看下是否是失败消息发回
if (null == topicConfig) {
if (requestHeader.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
topicConfig =
this.brokerController.getTopicConfigManager().createTopicInSendMessageBackMethod(
requestHeader.getTopic(), 1, PermName.PERM_WRITE | PermName.PERM_READ);
}
}
if (null == topicConfig) {
response.setCode(MQResponseCode.TOPIC_NOT_EXIST_VALUE);
response.setRemark("topic[" + requestHeader.getTopic() + "] not exist, apply first please!"
+ FAQUrl.suggestTodo(FAQUrl.APPLY_TOPIC_URL));
return response;
}
}
// 检查topic权限
if (!PermName.isWriteable(topicConfig.getPerm())) {
response.setCode(MQResponseCode.NO_PERMISSION_VALUE);
response.setRemark("the topic[" + requestHeader.getTopic() + "] sending message is forbidden");
return response;
}
// 检查队列有效性
int queueIdInt = requestHeader.getQueueId();
if (queueIdInt >= topicConfig.getWriteQueueNums()) {
String errorInfo =
"queueId[" + queueIdInt + "] is illagal, topicConfig.writeQueueNums: "
+ topicConfig.getWriteQueueNums() + " producer: " + ctx.channel().remoteAddress();
log.warn(errorInfo);
response.setCode(ResponseCode.SYSTEM_ERROR_VALUE);
response.setRemark(errorInfo);
return response;
}
// 随机指定一个队列
if (queueIdInt < 0) {
queueIdInt = Math.abs(this.random.nextInt()) % topicConfig.getWriteQueueNums();
}
int sysFlag = requestHeader.getSysFlag();
// 多标签过滤需要置位
if (TopicFilterType.MULTI_TAG == topicConfig.getTopicFilterType()) {
sysFlag |= MessageSysFlag.MultiTagsFlag;
}
MessageExtBrokerInner msgInner = new MessageExtBrokerInner();
msgInner.setTopic(requestHeader.getTopic());
msgInner.setBody(body);
msgInner.setFlag(requestHeader.getFlag());
msgInner.setProperties(MessageDecoder.string2messageProperties(requestHeader.getProperties()));
msgInner.setPropertiesString(requestHeader.getProperties());
msgInner.setTagsCode(MessageExtBrokerInner.tagsString2tagsCode(topicConfig.getTopicFilterType(),
msgInner.getTags()));
msgInner.setQueueId(queueIdInt);
msgInner.setSysFlag(sysFlag);
msgInner.setBornTimestamp(requestHeader.getBornTimestamp());