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 |  |  | package com.genersoft.iot.vmp.gb28181.session;
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 |  |  | import java.util.concurrent.ConcurrentHashMap;
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 |  |  | import java.util.ArrayList;
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 |  |  | import java.util.List;
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 |  |  | import javax.sip.ClientTransaction;
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 |  |  | import com.genersoft.iot.vmp.common.VideoManagerConstants;
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 |  |  | import com.genersoft.iot.vmp.conf.UserSetting;
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 |  |  | import com.genersoft.iot.vmp.gb28181.bean.SipTransactionInfo;
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 |  |  | import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
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 |  |  | import com.genersoft.iot.vmp.utils.redis.RedisUtil;
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 |  |  | import gov.nist.javax.sip.message.SIPResponse;
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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 org.springframework.util.ObjectUtils;
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 |  |  | 
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 |  |  | /**    
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 |  |  |  * @Description:视频流session管理器,管理视频预览、预览回放的通信句柄  | 
 |  |  |  * @description:视频流session管理器,管理视频预览、预览回放的通信句柄  | 
 |  |  |  * @author: swwheihei
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 |  |  |  * @date:   2020年5月13日 下午4:03:02     
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 |  |  |  */
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 |  |  | @Component
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 |  |  | public class VideoStreamSessionManager {
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 |  |  | 
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 |  |  |    private ConcurrentHashMap<String, ClientTransaction> sessionMap = new ConcurrentHashMap<>();
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 |  |  |    @Autowired
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 |  |  |    private UserSetting userSetting;
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 |  |  | 
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 |  |  |    public String createPlaySsrc(){
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 |  |  |       String ssrc = SsrcUtil.getPlaySsrc();
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 |  |  |       return ssrc;
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 |  |  |    public enum SessionType {
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 |  |  |       play,
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 |  |  |       playback,
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 |  |  |       download
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * 添加一个点播/回放的事务信息
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 |  |  |     * 后续可以通过流Id/callID
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 |  |  |     * @param deviceId 设备ID
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 |  |  |     * @param channelId 通道ID
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 |  |  |     * @param callId 一次请求的CallID
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 |  |  |     * @param stream 流名称
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 |  |  |     * @param mediaServerId 所使用的流媒体ID
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 |  |  |     * @param response 回复
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 |  |  |     */
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 |  |  |    public void put(String deviceId, String channelId, String callId, String stream, String ssrc, String mediaServerId, SIPResponse response, SessionType type){
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 |  |  |       SsrcTransaction ssrcTransaction = new SsrcTransaction();
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 |  |  |       ssrcTransaction.setDeviceId(deviceId);
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 |  |  |       ssrcTransaction.setChannelId(channelId);
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 |  |  |       ssrcTransaction.setStream(stream);
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 |  |  |       ssrcTransaction.setSipTransactionInfo(new SipTransactionInfo(response));
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 |  |  |       ssrcTransaction.setCallId(callId);
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 |  |  |       ssrcTransaction.setSsrc(ssrc);
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 |  |  |       ssrcTransaction.setMediaServerId(mediaServerId);
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 |  |  |       ssrcTransaction.setType(type);
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 |  |  | 
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 |  |  |       RedisUtil.set(VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX + userSetting.getServerId()
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 |  |  |             + "_" +  deviceId + "_" + channelId + "_" + callId + "_" + stream, ssrcTransaction);
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 |  |  |       RedisUtil.set(VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX + userSetting.getServerId()
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 |  |  |             + "_" +  deviceId + "_" + channelId + "_" + callId + "_" + stream, ssrcTransaction);
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 |  |  |    }
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 |  |  | 
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 |  |  |    public SsrcTransaction getSsrcTransaction(String deviceId, String channelId, String callId, String stream){
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 |  |  | 
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 |  |  |       if (ObjectUtils.isEmpty(deviceId)) {
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 |  |  |          deviceId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(channelId)) {
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 |  |  |          channelId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(callId)) {
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 |  |  |          callId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(stream)) {
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 |  |  |          stream ="*";
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 |  |  |       }
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 |  |  |       String key = VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX + userSetting.getServerId() + "_" + deviceId + "_" + channelId + "_" + callId+ "_" + stream;
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 |  |  |       List<Object> scanResult = RedisUtil.scan(key);
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 |  |  |       if (scanResult.size() == 0) {
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 |  |  |          return null;
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 |  |  |       }
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 |  |  |       return (SsrcTransaction)RedisUtil.get((String) scanResult.get(0));
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 |  |  |    }
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 |  |  | 
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 |  |  |    public List<SsrcTransaction> getSsrcTransactionForAll(String deviceId, String channelId, String callId, String stream){
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 |  |  |       if (ObjectUtils.isEmpty(deviceId)) {
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 |  |  |          deviceId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(channelId)) {
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 |  |  |          channelId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(callId)) {
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 |  |  |          callId ="*";
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 |  |  |       }
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 |  |  |       if (ObjectUtils.isEmpty(stream)) {
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 |  |  |          stream ="*";
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 |  |  |       }
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 |  |  |       String key = VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX + userSetting.getServerId() + "_" + deviceId + "_" + channelId + "_" + callId+ "_" + stream;
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 |  |  |       List<Object> scanResult = RedisUtil.scan(key);
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 |  |  |       if (scanResult.size() == 0) {
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 |  |  |          return null;
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 |  |  |       }
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 |  |  |       List<SsrcTransaction> result = new ArrayList<>();
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 |  |  |       for (Object keyObj : scanResult) {
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 |  |  |          result.add((SsrcTransaction)RedisUtil.get((String) keyObj));
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 |  |  |       }
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 |  |  |       return result;
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 |  |  |    }
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 |  |  | 
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 |  |  |    public String getMediaServerId(String deviceId, String channelId, String stream){
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 |  |  |       SsrcTransaction ssrcTransaction = getSsrcTransaction(deviceId, channelId, null, stream);
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 |  |  |       if (ssrcTransaction == null) {
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 |  |  |          return null;
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 |  |  |       }
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 |  |  |       return ssrcTransaction.getMediaServerId();
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 |  |  |    }
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 |  |  | 
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 |  |  |    public String getSSRC(String deviceId, String channelId, String stream){
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 |  |  |       SsrcTransaction ssrcTransaction = getSsrcTransaction(deviceId, channelId, null, stream);
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 |  |  |       if (ssrcTransaction == null) {
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 |  |  |          return null;
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 |  |  |       }
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 |  |  |       return ssrcTransaction.getSsrc();
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 |  |  |    }
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 |  |  |    
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 |  |  |    public String createPlayBackSsrc(){
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 |  |  |       String ssrc = SsrcUtil.getPlayBackSsrc();
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 |  |  |       return ssrc;
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 |  |  |    public void remove(String deviceId, String channelId, String stream) {
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 |  |  |       SsrcTransaction ssrcTransaction = getSsrcTransaction(deviceId, channelId, null, stream);
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 |  |  |       if (ssrcTransaction == null) {
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 |  |  |          return;
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 |  |  |       }
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 |  |  |       RedisUtil.del(VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX + userSetting.getServerId() + "_"
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 |  |  |             +  deviceId + "_" + channelId + "_" + ssrcTransaction.getCallId() + "_" + ssrcTransaction.getStream());
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 |  |  |    }
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 |  |  | 	 | 
 |  |  |    public void put(String ssrc,ClientTransaction transaction){
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 |  |  |       sessionMap.put(ssrc, transaction);
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 |  |  |    }
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 |  |  | 	 | 
 |  |  |    public ClientTransaction get(String ssrc){
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 |  |  |       return sessionMap.get(ssrc);
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 |  |  |    }
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 |  |  |    public void remove(String ssrc) {
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 |  |  |       sessionMap.remove(ssrc);
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 |  |  |       SsrcUtil.releaseSsrc(ssrc);
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 |  |  |    public List<SsrcTransaction> getAllSsrc() {
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 |  |  |       List<Object> ssrcTransactionKeys = RedisUtil.scan(String.format("%s_*_*_*_*", VideoManagerConstants.MEDIA_TRANSACTION_USED_PREFIX+ userSetting.getServerId()));
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 |  |  |       List<SsrcTransaction> result= new ArrayList<>();
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 |  |  |       for (int i = 0; i < ssrcTransactionKeys.size(); i++) {
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 |  |  |          String key = (String)ssrcTransactionKeys.get(i);
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 |  |  |          SsrcTransaction ssrcTransaction = (SsrcTransaction)RedisUtil.get(key);
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 |  |  |          result.add(ssrcTransaction);
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 |  |  |       }
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 |  |  |       return result;
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 |  |  |    }
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 |  |  | }
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