package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
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import com.genersoft.iot.vmp.common.InviteInfo;
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import com.genersoft.iot.vmp.common.InviteSessionType;
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import com.genersoft.iot.vmp.conf.UserSetting;
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import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException;
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import com.genersoft.iot.vmp.gb28181.bean.*;
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import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
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import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
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import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.service.*;
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import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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import gov.nist.javax.sip.message.SIPRequest;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.SipException;
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import javax.sip.header.CallIdHeader;
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import javax.sip.message.Response;
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import java.text.ParseException;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* SIP命令类型： BYE请求
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*/
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@Component
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public class ByeRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
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private final Logger logger = LoggerFactory.getLogger(ByeRequestProcessor.class);
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private final String method = "BYE";
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@Autowired
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private ISIPCommander cmder;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private IInviteStreamService inviteStreamService;
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@Autowired
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private IPlatformService platformService;
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@Autowired
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private IDeviceService deviceService;
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@Autowired
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private IDeviceChannelService channelService;
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@Autowired
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private IVideoManagerStorage storager;
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@Autowired
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private ZLMServerFactory zlmServerFactory;
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@Autowired
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private SSRCFactory ssrcFactory;
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@Autowired
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private IMediaServerService mediaServerService;
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@Autowired
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private SIPProcessorObserver sipProcessorObserver;
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@Autowired
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private VideoStreamSessionManager streamSession;
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@Autowired
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private UserSetting userSetting;
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@Override
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public void afterPropertiesSet() throws Exception {
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// 添加消息处理的订阅
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sipProcessorObserver.addRequestProcessor(method, this);
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}
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/**
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* 处理BYE请求
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* @param evt
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*/
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@Override
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public void process(RequestEvent evt) {
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SIPRequest request = (SIPRequest) evt.getRequest();
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try {
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responseAck(request, Response.OK);
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} catch (SipException | InvalidArgumentException | ParseException e) {
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logger.error("[回复BYE信息失败]，{}", e.getMessage());
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}
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CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);
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SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(null, null, null, callIdHeader.getCallId());
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if (sendRtpItem != null){
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logger.info("[收到bye] 来自平台{}， 停止通道：{}", sendRtpItem.getPlatformId(), sendRtpItem.getChannelId());
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String streamId = sendRtpItem.getStreamId();
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Map<String, Object> param = new HashMap<>();
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param.put("vhost","__defaultVhost__");
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param.put("app",sendRtpItem.getApp());
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param.put("stream",streamId);
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param.put("ssrc",sendRtpItem.getSsrc());
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logger.info("[收到bye] 停止向上级推流：{}", streamId);
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MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
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redisCatchStorage.deleteSendRTPServer(sendRtpItem.getPlatformId(), sendRtpItem.getChannelId(),
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callIdHeader.getCallId(), null);
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zlmServerFactory.stopSendRtpStream(mediaInfo, param);
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if (sendRtpItem.getPlayType().equals(InviteStreamType.PUSH)) {
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ParentPlatform platform = platformService.queryPlatformByServerGBId(sendRtpItem.getPlatformId());
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if (platform != null) {
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MessageForPushChannel messageForPushChannel = MessageForPushChannel.getInstance(0,
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sendRtpItem.getApp(), sendRtpItem.getStreamId(), sendRtpItem.getChannelId(),
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sendRtpItem.getPlatformId(), platform.getName(), userSetting.getServerId(), sendRtpItem.getMediaServerId());
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messageForPushChannel.setPlatFormIndex(platform.getId());
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redisCatchStorage.sendPlatformStopPlayMsg(messageForPushChannel);
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}else {
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logger.info("[上级平台停止观看] 未找到平台{}的信息，发送redis消息失败", sendRtpItem.getPlatformId());
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}
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}
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int totalReaderCount = zlmServerFactory.totalReaderCount(mediaInfo, sendRtpItem.getApp(), streamId);
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if (totalReaderCount <= 0) {
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logger.info("[收到bye] {} 无其它观看者，通知设备停止推流", streamId);
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if (sendRtpItem.getPlayType().equals(InviteStreamType.PLAY)) {
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Device device = deviceService.getDevice(sendRtpItem.getDeviceId());
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if (device == null) {
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logger.info("[收到bye] {} 通知设备停止推流时未找到设备信息", streamId);
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}
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try {
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logger.info("[停止点播] {}/{}", sendRtpItem.getDeviceId(), sendRtpItem.getChannelId());
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cmder.streamByeCmd(device, sendRtpItem.getChannelId(), streamId, null);
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} catch (InvalidArgumentException | ParseException | SipException |
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SsrcTransactionNotFoundException e) {
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logger.error("[收到bye] {} 无其它观看者，通知设备停止推流， 发送BYE失败 {}",streamId, e.getMessage());
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}
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}
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}
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}else {
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// 可能是设备发送的停止
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SsrcTransaction ssrcTransaction = streamSession.getSsrcTransactionByCallId(callIdHeader.getCallId());
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if (ssrcTransaction == null) {
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return;
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}
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logger.info("[收到bye] 来自设备：{}, 通道已停止推流: {}", ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId());
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Device device = deviceService.getDevice(ssrcTransaction.getDeviceId());
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if (device == null) {
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logger.info("[收到bye] 未找到设备：{} ", ssrcTransaction.getDeviceId());
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return;
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}
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DeviceChannel channel = channelService.getOne(ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId());
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if (channel == null) {
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logger.info("[收到bye] 未找到通道，设备：{}， 通道：{}", ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId());
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return;
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}
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storager.stopPlay(device.getDeviceId(), channel.getChannelId());
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InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channel.getChannelId());
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if (inviteInfo != null) {
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inviteStreamService.removeInviteInfo(inviteInfo);
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if (inviteInfo.getStreamInfo() != null) {
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mediaServerService.closeRTPServer(inviteInfo.getStreamInfo().getMediaServerId(), inviteInfo.getStreamInfo().getStream());
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}
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}
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// 释放ssrc
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MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransaction.getMediaServerId());
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if (mediaServerItem != null) {
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mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcTransaction.getSsrc());
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}
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streamSession.removeByCallId(device.getDeviceId(), channel.getChannelId(), ssrcTransaction.getCallId());
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}
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}
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}
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