package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
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import com.genersoft.iot.vmp.common.StreamInfo;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
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import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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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.IMediaServerService;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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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.*;
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import javax.sip.address.SipURI;
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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 IVideoManagerStorager storager;
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@Autowired
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private ZLMRTPServerFactory zlmrtpServerFactory;
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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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@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(evt, Response.OK);
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Dialog dialog = evt.getDialog();
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if (dialog == null) return;
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if (dialog.getState().equals(DialogState.TERMINATED)) {
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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);
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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("停止向上级推流：" + streamId);
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MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
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zlmrtpServerFactory.stopSendRtpStream(mediaInfo, param);
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redisCatchStorage.deleteSendRTPServer(platformGbId, channelId);
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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(streamId + "无其它观看者，通知设备停止推流");
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cmder.streamByeCmd(sendRtpItem.getDeviceId(), channelId, streamId);
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}else if (totalReaderCount == -1){
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logger.warn(streamId + " 查找其它观看者失败");
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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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StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(device.getDeviceId(), channelId);
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if (sendRtpItem != null) {
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if (sendRtpItem.isPlay()) {
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if (streamInfo != null) {
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redisCatchStorage.stopPlay(streamInfo);
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}
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}else {
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if (streamInfo != null) {
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redisCatchStorage.stopPlayback(streamInfo);
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}
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}
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storager.stopPlay(device.getDeviceId(), channelId);
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mediaServerService.closeRTPServer(device.getDeviceId(), channelId, streamInfo.getStream());
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}
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}
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}
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} catch (SipException e) {
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e.printStackTrace();
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} catch (InvalidArgumentException e) {
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e.printStackTrace();
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} catch (ParseException e) {
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e.printStackTrace();
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}
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}
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}
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