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.exception.SsrcTransactionNotFoundException;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.InviteStreamType;
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import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
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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.ZLMRTPServerFactory;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.service.IDeviceService;
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import com.genersoft.iot.vmp.service.IInviteStreamService;
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import com.genersoft.iot.vmp.service.IMediaServerService;
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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.address.SipURI;
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import javax.sip.header.CallIdHeader;
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import javax.sip.header.FromHeader;
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import javax.sip.header.HeaderAddress;
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import javax.sip.header.ToHeader;
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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.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 IDeviceService deviceService;
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@Autowired
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private IVideoManagerStorage storager;
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@Autowired
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private ZLMRTPServerFactory zlmrtpServerFactory;
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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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@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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try {
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responseAck((SIPRequest) evt.getRequest(), 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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String platformGbId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(FromHeader.NAME)).getAddress().getURI()).getUser();
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String channelId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
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SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(platformGbId, channelId, null, callIdHeader.getCallId());
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logger.info("[收到bye] {}/{}", platformGbId, channelId);
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if (sendRtpItem != null){
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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(platformGbId, channelId, callIdHeader.getCallId(), null);
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ssrcFactory.releaseSsrc(sendRtpItem.getMediaServerId(), sendRtpItem.getSsrc());
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zlmrtpServerFactory.stopSendRtpStream(mediaInfo, param);
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int totalReaderCount = zlmrtpServerFactory.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.warn("[停止点播] {}/{}", sendRtpItem.getDeviceId(), channelId);
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cmder.streamByeCmd(device, channelId, 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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if (sendRtpItem.getPlayType().equals(InviteStreamType.PUSH)) {
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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(), null, null, sendRtpItem.getMediaServerId());
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redisCatchStorage.sendStreamPushRequestedMsg(messageForPushChannel);
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}
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}
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}
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// 可能是设备主动停止
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Device device = storager.queryVideoDeviceByChannelId(platformGbId);
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if (device != null) {
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storager.stopPlay(device.getDeviceId(), channelId);
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SsrcTransaction ssrcTransactionForPlay = streamSession.getSsrcTransaction(device.getDeviceId(), channelId, "play", null);
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if (ssrcTransactionForPlay != null){
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if (ssrcTransactionForPlay.getCallId().equals(callIdHeader.getCallId())){
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// 释放ssrc
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MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransactionForPlay.getMediaServerId());
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if (mediaServerItem != null) {
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mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcTransactionForPlay.getSsrc());
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}
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streamSession.remove(device.getDeviceId(), channelId, ssrcTransactionForPlay.getStream());
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}
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InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, device.getDeviceId(), channelId);
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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.getStream());
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}
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}
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}
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SsrcTransaction ssrcTransactionForPlayBack = streamSession.getSsrcTransaction(device.getDeviceId(), channelId, callIdHeader.getCallId(), null);
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if (ssrcTransactionForPlayBack != null) {
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// 释放ssrc
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MediaServerItem mediaServerItem = mediaServerService.getOne(ssrcTransactionForPlayBack.getMediaServerId());
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if (mediaServerItem != null) {
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mediaServerService.releaseSsrc(mediaServerItem.getId(), ssrcTransactionForPlayBack.getSsrc());
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}
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streamSession.remove(device.getDeviceId(), channelId, ssrcTransactionForPlayBack.getStream());
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InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAYBACK, device.getDeviceId(), channelId);
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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.getStream());
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}
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}
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}
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}
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}
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}
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