package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;
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import com.alibaba.fastjson2.JSONObject;
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import com.genersoft.iot.vmp.conf.DynamicTask;
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import com.genersoft.iot.vmp.conf.UserSetting;
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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.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.ZlmHttpHookSubscribe;
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import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
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import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForRtpServerTimeout;
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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.service.IPlayService;
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import com.genersoft.iot.vmp.service.bean.RequestPushStreamMsg;
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import com.genersoft.iot.vmp.service.redisMsg.RedisGbPlayMsgListener;
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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 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.RequestEvent;
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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 java.util.HashMap;
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import java.util.Map;
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/**
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* SIP命令类型： ACK请求
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* @author lin
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*/
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@Component
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public class AckRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
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private final Logger logger = LoggerFactory.getLogger(AckRequestProcessor.class);
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private final String method = "ACK";
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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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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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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 ZlmHttpHookSubscribe hookSubscribe;
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@Autowired
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private IMediaServerService mediaServerService;
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@Autowired
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private DynamicTask dynamicTask;
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@Autowired
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private RedisGbPlayMsgListener redisGbPlayMsgListener;
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@Autowired
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private UserSetting userSetting;
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@Autowired
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private IPlayService playService;
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/**
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* 处理 ACK请求
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*/
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@Override
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public void process(RequestEvent evt) {
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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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logger.info("[收到ACK]： platformGbId->{}", platformGbId);
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if (userSetting.getPushStreamAfterAck()) {
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ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(platformGbId);
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// 取消设置的超时任务
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dynamicTask.stop(callIdHeader.getCallId());
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String channelId = ((SipURI) ((HeaderAddress) evt.getRequest().getHeader(ToHeader.NAME)).getAddress().getURI()).getUser();
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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.warn("[收到ACK]：未找到通道({})的推流信息", channelId);
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return;
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}
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String isUdp = sendRtpItem.isTcp() ? "0" : "1";
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MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId());
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logger.info("收到ACK，rtp/{}开始向上级推流, 目标={}:{}，SSRC={}, RTCP={}", sendRtpItem.getStreamId(),
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sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc(), sendRtpItem.isRtcp());
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Map<String, Object> param = new HashMap<>(12);
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param.put("vhost","__defaultVhost__");
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param.put("app",sendRtpItem.getApp());
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param.put("stream",sendRtpItem.getStreamId());
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param.put("ssrc", sendRtpItem.getSsrc());
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param.put("src_port", sendRtpItem.getLocalPort());
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param.put("pt", sendRtpItem.getPt());
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param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0");
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param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0");
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param.put("is_udp", isUdp);
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if (!sendRtpItem.isTcp()) {
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// udp模式下开启rtcp保活
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param.put("udp_rtcp_timeout", sendRtpItem.isRtcp()? "1":"0");
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}
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if (mediaInfo == null) {
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RequestPushStreamMsg requestPushStreamMsg = RequestPushStreamMsg.getInstance(
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sendRtpItem.getMediaServerId(), sendRtpItem.getApp(), sendRtpItem.getStreamId(),
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sendRtpItem.getIp(), sendRtpItem.getPort(), sendRtpItem.getSsrc(), sendRtpItem.isTcp(),
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sendRtpItem.getLocalPort(), sendRtpItem.getPt(), sendRtpItem.isUsePs(), sendRtpItem.isOnlyAudio());
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redisGbPlayMsgListener.sendMsgForStartSendRtpStream(sendRtpItem.getServerId(), requestPushStreamMsg, json -> {
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playService.startSendRtpStreamHand(sendRtpItem, parentPlatform, json, param, callIdHeader);
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});
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} else {
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// 如果是非严格模式，需要关闭端口占用
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JSONObject startSendRtpStreamResult = null;
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if (sendRtpItem.getLocalPort() != 0) {
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HookSubscribeForRtpServerTimeout hookSubscribeForRtpServerTimeout = HookSubscribeFactory.on_rtp_server_timeout(sendRtpItem.getSsrc(), null, mediaInfo.getId());
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hookSubscribe.removeSubscribe(hookSubscribeForRtpServerTimeout);
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if (zlmrtpServerFactory.releasePort(mediaInfo, sendRtpItem.getSsrc())) {
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if (sendRtpItem.isTcpActive()) {
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startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpPassive(mediaInfo, param);
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}else {
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param.put("dst_url", sendRtpItem.getIp());
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param.put("dst_port", sendRtpItem.getPort());
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startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
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}
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}
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}else {
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if (sendRtpItem.isTcpActive()) {
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startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpPassive(mediaInfo, param);
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}else {
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param.put("dst_url", sendRtpItem.getIp());
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param.put("dst_port", sendRtpItem.getPort());
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startSendRtpStreamResult = zlmrtpServerFactory.startSendRtpStream(mediaInfo, param);
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}
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}
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if (startSendRtpStreamResult != null) {
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playService.startSendRtpStreamHand(sendRtpItem, parentPlatform, startSendRtpStreamResult, param, callIdHeader);
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}
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}
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}
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}
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}
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