114 lines
4.4 KiB
Java
Executable File
114 lines
4.4 KiB
Java
Executable File
/**
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* Copyright 2018-2028 WindChat Group
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.windchat.im.connector.handler;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.windchat.common.channel.ChannelManager;
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import com.windchat.common.channel.ChannelSession;
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import com.windchat.common.command.Command;
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import com.windchat.common.command.CommandResponse;
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import com.windchat.common.command.RedisCommand;
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import com.windchat.common.constant.CommandConst;
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import com.windchat.common.constant.ErrorCode2;
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import com.windchat.common.constant.RequestAction;
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import com.windchat.common.utils.StringHelper;
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import com.akaxin.proto.core.CoreProto;
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import com.windchat.im.connector.constant.AkxProject;
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import com.windchat.im.message.service.ImMessageService;
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/**
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* 这里负责下发消息至message模块进行处理
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*
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* @author Sam{@link an.guoyue254@gmail.com}
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* @since 2017-11-15 11:11:42
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*/
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public class ImMessageHandler extends AbstractCommonHandler<Command, CommandResponse> {
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private static final Logger logger = LoggerFactory.getLogger(ImMessageHandler.class);
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public CommandResponse handle(Command command) {
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try {
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ChannelSession channelSession = command.getChannelSession();
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String deviceId = channelSession.getDeviceId();
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if (StringUtils.isEmpty(deviceId)) {
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channelSession.getChannel().close();
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logger.error("{} client={} im request error with deviceId={}.", AkxProject.PLN, command.getClientIp(),
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deviceId);
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return customResponse(ErrorCode2.ERROR);
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}
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ChannelSession acsession = ChannelManager.getChannelSession(deviceId);
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if (acsession == null) {
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channelSession.getChannel().close();
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logger.error("{} client={} im request error with channelSession={}", AkxProject.PLN,
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command.getClientIp(), acsession);
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return customResponse(ErrorCode2.ERROR);
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}
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if (!checkSiteUserId(command.getSiteUserId(), acsession.getUserId())) {
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channelSession.getChannel().close();
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logger.error("{} client={} im request fail siteUserId={},sessionUserId={}", AkxProject.PLN,
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command.getClientIp(), command.getSiteUserId(), acsession.getUserId());
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return customResponse(ErrorCode2.ERROR);
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}
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if (RequestAction.IM_CTS_PING.getName().equalsIgnoreCase(command.getAction())) {
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Map<Integer, String> header = new HashMap<Integer, String>();
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header.put(CoreProto.HeaderKey.SITE_SERVER_VERSION_VALUE, CommandConst.SITE_VERSION);
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CoreProto.TransportPackageData.Builder packBuilder = CoreProto.TransportPackageData.newBuilder();
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packBuilder.putAllHeader(header);
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channelSession.getChannel().writeAndFlush(new RedisCommand().add(CommandConst.PROTOCOL_VERSION)
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.add(RequestAction.IM_STC_PONG.getName()).add(packBuilder.build().toByteArray()));
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// 检测是否需要给用户发送PSN
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if (channelSession.detectPsn()) {
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channelSession.getChannel().writeAndFlush(new RedisCommand().add(CommandConst.PROTOCOL_VERSION)
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.add(RequestAction.IM_STC_PSN.getName()).add(packBuilder.build().toByteArray()));
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logger.debug("{} client={} siteUserId={} deviceId={} push psn {} {}", AkxProject.PLN,
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command.getClientIp(), command.getSiteUserId(), command.getDeviceId(),
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channelSession.getPsnTime(), channelSession.getSynFinTime());
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}
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} else {
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// 排除ping请求，其他请求走im服务
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new ImMessageService().execute(command);
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}
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return customResponse(ErrorCode2.SUCCESS);
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} catch (Exception e) {
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logger.error(StringHelper.format("{} client={} im request error.", AkxProject.PLN, command.getClientIp()),
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e);
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}
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return defaultErrorResponse();
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}
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/**
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* 比较
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*
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* @param cmdUserId
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* @param sessionUserId
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* @return
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*/
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private boolean checkSiteUserId(String cmdUserId, String sessionUserId) {
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return StringUtils.isBlank(sessionUserId) ? false : sessionUserId.equals(cmdUserId);
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}
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}
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