解决使用redis集群时获取发送端口失败的问题

648540858

2023-08-08 d67f0a1ea403fbebfff70e7eaf4fe4870be2a1b8

 src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java

@@ -1,20 +1,18 @@
package com.genersoft.iot.vmp.media.zlm;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONArray;
import com.alibaba.fastjson2.JSONObject;
import com.genersoft.iot.vmp.common.CommonCallback;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory;
import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForRtpServerTimeout;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.*;
import java.util.HashMap;
import java.util.Map;

@Component
public class ZLMRTPServerFactory {
@@ -30,68 +28,8 @@
    @Autowired
    private ZlmHttpHookSubscribe hookSubscribe;

    private int[] portRangeArray = new int[2];

    public int getFreePort(MediaServerItem mediaServerItem, int startPort, int endPort, List<Integer> usedFreelist) {
        if (endPort <= startPort) {
            return -1;
        }
        if (usedFreelist == null) {
            usedFreelist = new ArrayList<>();
        }
        JSONObject listRtpServerJsonResult = zlmresTfulUtils.listRtpServer(mediaServerItem);
        if (listRtpServerJsonResult != null) {
            JSONArray data = listRtpServerJsonResult.getJSONArray("data");
            if (data != null) {
                for (int i = 0; i < data.size(); i++) {
                    JSONObject dataItem = data.getJSONObject(i);
                    usedFreelist.add(dataItem.getInteger("port"));
                }
            }
        }

        Map<String, Object> param = new HashMap<>();
        int result = -1;
        // 设置推流端口
        if (startPort%2 == 1) {
            startPort ++;
        }
        boolean checkPort = false;
        for (int i = startPort; i < endPort  + 1; i+=2) {
            if (!usedFreelist.contains(i)){
                checkPort = true;
                startPort = i;
                break;
            }
        }
        if (!checkPort) {
            logger.warn("未找到节点{}上范围[{}-{}]的空闲端口", mediaServerItem.getId(), startPort, endPort);
            return -1;
        }
        param.put("port", startPort);
        String stream = UUID.randomUUID().toString();
        param.put("enable_tcp", 1);
        param.put("stream_id", stream);
//        param.put("port", 0);
        JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param);

        if (openRtpServerResultJson != null) {
            if (openRtpServerResultJson.getInteger("code") == 0) {
                result= openRtpServerResultJson.getInteger("port");
                Map<String, Object> closeRtpServerParam = new HashMap<>();
                closeRtpServerParam.put("stream_id", stream);
                zlmresTfulUtils.closeRtpServer(mediaServerItem, closeRtpServerParam);
            }else {
                usedFreelist.add(startPort);
                startPort +=2;
                result = getFreePort(mediaServerItem, startPort, endPort,usedFreelist);
            }
        }else {
            //  检查ZLM状态
            logger.error("创建RTP Server 失败 {}: 请检查ZLM服务", param.get("port"));
        }
        return result;
    }
    @Autowired
    private SendRtpPortManager sendRtpPortManager;

    /**
     * 开启rtpServer
@@ -147,7 +85,10 @@
        }else {
            param.put("port", port);
        }
        param.put("ssrc", ssrc);
        if (ssrc != 0) {
            param.put("ssrc", ssrc);
        }

        JSONObject openRtpServerResultJson = zlmresTfulUtils.openRtpServer(mediaServerItem, param);
        logger.info(JSONObject.toJSONString(openRtpServerResultJson));
        if (openRtpServerResultJson != null) {
@@ -220,17 +161,11 @@
     * @return SendRtpItem
     */
    public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId,
                                         String deviceId, String channelId, boolean tcp, boolean rtcp, KeepPortCallback callback){
                                         String deviceId, String channelId, boolean tcp, boolean rtcp){

        // 默认为随机端口
        int localPort = 0;
        if (userSetting.getGbSendStreamStrict()) {
            if (userSetting.getGbSendStreamStrict()) {
                localPort = keepPort(serverItem, ssrc, localPort, callback);
                if (localPort == 0) {
                    return null;
                }
            }
        int localPort = sendRtpPortManager.getNextPort(serverItem);
        if (localPort == 0) {
            return null;
        }
        SendRtpItem sendRtpItem = new SendRtpItem();
        sendRtpItem.setIp(ip);
@@ -259,14 +194,11 @@
     * @return SendRtpItem
     */
    public SendRtpItem createSendRtpItem(MediaServerItem serverItem, String ip, int port, String ssrc, String platformId,
                                         String app, String stream, String channelId, boolean tcp, boolean rtcp, KeepPortCallback callback){
        // 默认为随机端口
        int localPort = 0;
        if (userSetting.getGbSendStreamStrict()) {
            localPort = keepPort(serverItem, ssrc, localPort, callback);
            if (localPort == 0) {
                return null;
            }
                                         String app, String stream, String channelId, boolean tcp, boolean rtcp){

        int localPort = sendRtpPortManager.getNextPort(serverItem);
        if (localPort == 0) {
            return null;
        }
        SendRtpItem sendRtpItem = new SendRtpItem();
        sendRtpItem.setIp(ip);
@@ -282,58 +214,6 @@
        sendRtpItem.setMediaServerId(serverItem.getId());
        sendRtpItem.setRtcp(rtcp);
        return sendRtpItem;
    }

    public interface KeepPortCallback{
        Boolean keep(String ssrc);
    }

    /**
     * 保持端口，直到需要需要发流时再释放
     */
    public int keepPort(MediaServerItem serverItem, String ssrc, int localPort, KeepPortCallback keepPortCallback) {
        Map<String, Object> param = new HashMap<>(3);
        param.put("port", localPort);
        param.put("enable_tcp", 1);
        param.put("stream_id", ssrc);
        JSONObject jsonObject = zlmresTfulUtils.openRtpServer(serverItem, param);
        if (jsonObject.getInteger("code") == 0) {
            localPort = jsonObject.getInteger("port");
            HookSubscribeForRtpServerTimeout hookSubscribeForRtpServerTimeout = HookSubscribeFactory.on_rtp_server_timeout(ssrc, null, serverItem.getId());
            // 订阅 zlm启动事件, 新的zlm也会从这里进入系统
            Integer finalLocalPort = localPort;
            hookSubscribe.addSubscribe(hookSubscribeForRtpServerTimeout,
                    (MediaServerItem mediaServerItem, JSONObject response)->{
                        System.out.println("监听端口到期继续保持监听");
                        System.out.println(response);
                        if (ssrc.equals(response.getString("stream_id"))) {
                            if (keepPortCallback.keep(ssrc)) {
                                logger.info("[上级点播] {}->监听端口到期继续保持监听", ssrc);
                                keepPort(serverItem, ssrc, finalLocalPort, keepPortCallback);
                            }else {
                                logger.info("[上级点播] {}->发送取消，无需继续监听", ssrc);
                                releasePort(serverItem, ssrc);
                            }
                        }

                    });
            logger.info("[上级点播] {}->监听端口: {}", ssrc, localPort);
        }else {
            logger.info("[上级点播] 监听端口失败: {}", ssrc);
        }
        return localPort;
    }

    /**
     * 释放保持的端口
     */
    public boolean releasePort(MediaServerItem serverItem, String ssrc) {
        logger.info("[上级点播] {}->释放监听端口", ssrc);
        boolean closeRTPServerResult = closeRtpServer(serverItem, ssrc);
        HookSubscribeForRtpServerTimeout hookSubscribeForRtpServerTimeout = HookSubscribeFactory.on_rtp_server_timeout(ssrc, null, serverItem.getId());
        // 订阅 zlm启动事件, 新的zlm也会从这里进入系统
        hookSubscribe.removeSubscribe(hookSubscribeForRtpServerTimeout);
        return closeRTPServerResult;
    }

    /**