package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
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import javax.sip.address.SipURI;
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import javax.sip.Dialog;
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import javax.sip.DialogState;
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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.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 com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
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import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
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import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
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import com.genersoft.iot.vmp.media.zlm.dto.IMediaServerItem;
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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 org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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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* @Description: BYE请求处理器
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* @author: lawrencehj
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* @date: 2021年3月9日
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*/
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public class ByeRequestProcessor extends SIPRequestAbstractProcessor {
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private Logger logger = LoggerFactory.getLogger(ByeRequestProcessor.class);
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private ISIPCommander cmder;
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private IRedisCatchStorage redisCatchStorage;
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private ZLMRTPServerFactory zlmrtpServerFactory;
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private IMediaServerService mediaServerService;
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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);
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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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if (sendRtpItem == null) return;
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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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IMediaServerItem 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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if (zlmrtpServerFactory.totalReaderCount(mediaInfo, sendRtpItem.getApp(), streamId) == 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);
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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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* 回复200 OK
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* @param evt
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* @throws SipException
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* @throws InvalidArgumentException
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* @throws ParseException
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*/
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private void responseAck(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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Response response = getMessageFactory().createResponse(Response.OK, evt.getRequest());
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getServerTransaction(evt).sendResponse(response);
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}
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public IRedisCatchStorage getRedisCatchStorage() {
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return redisCatchStorage;
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}
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public void setRedisCatchStorage(IRedisCatchStorage redisCatchStorage) {
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this.redisCatchStorage = redisCatchStorage;
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}
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public ZLMRTPServerFactory getZlmrtpServerFactory() {
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return zlmrtpServerFactory;
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}
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public void setZlmrtpServerFactory(ZLMRTPServerFactory zlmrtpServerFactory) {
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this.zlmrtpServerFactory = zlmrtpServerFactory;
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}
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public ISIPCommander getSIPCommander() {
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return cmder;
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}
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public void setSIPCommander(ISIPCommander cmder) {
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this.cmder = cmder;
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}
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public IMediaServerService getMediaServerService() {
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return mediaServerService;
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}
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public void setMediaServerService(IMediaServerService mediaServerService) {
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this.mediaServerService = mediaServerService;
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}
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}
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