package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;
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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.ParentPlatform;
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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.VideoStreamSessionManager;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
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import com.genersoft.iot.vmp.media.event.hook.Hook;
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import com.genersoft.iot.vmp.media.event.hook.HookSubscribe;
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import com.genersoft.iot.vmp.media.event.hook.HookType;
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import com.genersoft.iot.vmp.service.IInviteStreamService;
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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.dom4j.Element;
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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 static com.genersoft.iot.vmp.gb28181.utils.XmlUtil.getText;
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/**
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* 媒体通知
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*/
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@Component
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public class MediaStatusNotifyMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
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private Logger logger = LoggerFactory.getLogger(MediaStatusNotifyMessageHandler.class);
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private final String cmdType = "MediaStatus";
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@Autowired
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private NotifyMessageHandler notifyMessageHandler;
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@Autowired
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private SIPCommander cmder;
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@Autowired
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private SIPCommanderFroPlatform sipCommanderFroPlatform;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private IVideoManagerStorage storage;
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@Autowired
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private VideoStreamSessionManager sessionManager;
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@Autowired
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private HookSubscribe subscribe;
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@Autowired
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private IInviteStreamService inviteStreamService;
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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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notifyMessageHandler.addHandler(cmdType, this);
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}
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@Override
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public void handForDevice(RequestEvent evt, Device device, Element rootElement) {
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// 回复200 OK
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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("[命令发送失败] 国标级联 录像流推送完毕，回复200OK: {}", e.getMessage());
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}
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CallIdHeader callIdHeader = (CallIdHeader)evt.getRequest().getHeader(CallIdHeader.NAME);
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String NotifyType =getText(rootElement, "NotifyType");
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if ("121".equals(NotifyType)){
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logger.info("[录像流]推送完毕，收到关流通知");
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SsrcTransaction ssrcTransaction = streamSession.getSsrcTransaction(null, null, callIdHeader.getCallId(), null);
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if (ssrcTransaction != null) {
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logger.info("[录像流]推送完毕，关流通知， device: {}, channelId: {}", ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId());
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InviteInfo inviteInfo = inviteStreamService.getInviteInfo(InviteSessionType.DOWNLOAD, ssrcTransaction.getDeviceId(), ssrcTransaction.getChannelId(), ssrcTransaction.getStream());
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if (inviteInfo.getStreamInfo() != null) {
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inviteInfo.getStreamInfo().setProgress(1);
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inviteStreamService.updateInviteInfo(inviteInfo);
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}
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try {
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cmder.streamByeCmd(device, ssrcTransaction.getChannelId(), null, callIdHeader.getCallId());
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} catch (InvalidArgumentException | ParseException | SipException | SsrcTransactionNotFoundException e) {
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logger.error("[录像流]推送完毕，收到关流通知， 发送BYE失败 {}", e.getMessage());
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}
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// 去除监听流注销自动停止下载的监听
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Hook hook = Hook.getInstance(HookType.on_media_arrival, "rtp", ssrcTransaction.getStream(), ssrcTransaction.getMediaServerId());
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subscribe.removeSubscribe(hook);
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// 如果级联播放，需要给上级发送此通知 TODO 多个上级同时观看一个下级 可能存在停错的问题，需要将点播CallId进行上下级绑定
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SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(null, ssrcTransaction.getChannelId(), null, null);
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if (sendRtpItem != null) {
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ParentPlatform parentPlatform = storage.queryParentPlatByServerGBId(sendRtpItem.getPlatformId());
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if (parentPlatform == null) {
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logger.warn("[级联消息发送]：发送MediaStatus发现上级平台{}不存在", sendRtpItem.getPlatformId());
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return;
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}
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try {
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sipCommanderFroPlatform.sendMediaStatusNotify(parentPlatform, sendRtpItem);
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} catch (SipException | InvalidArgumentException | ParseException e) {
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logger.error("[命令发送失败] 国标级联 录像播放完毕: {}", e.getMessage());
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}
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}
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}else {
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logger.info("[录像流]推送完毕，关流通知， 但是未找到对应的下载信息");
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}
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}
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}
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@Override
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public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
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}
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}
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