修复空指针异常

648540858

2024-01-10 c25a99d60bef3d3bbd59fee895bd658928fd00db

 src/main/java/com/genersoft/iot/vmp/service/impl/PlatformServiceImpl.java

@@ -6,6 +6,7 @@
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
import com.genersoft.iot.vmp.gb28181.session.SSRCFactory;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMServerFactory;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.service.IMediaServerService;
@@ -16,17 +17,22 @@
import com.genersoft.iot.vmp.utils.DateUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import gov.nist.javax.sip.message.SIPRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.sip.InvalidArgumentException;
import javax.sip.PeerUnavailableException;
import javax.sip.SipException;
import javax.sip.SipFactory;
import javax.sip.address.Address;
import javax.sip.address.SipURI;
import javax.sip.header.*;
import javax.sip.message.Request;
import java.text.ParseException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.*;

/**
 * @author lin
@@ -143,7 +149,7 @@
        dynamicTask.stop(registerTaskKey);
        // 注销旧的
        try {
            if (parentPlatformOld.isStatus()) {
            if (parentPlatformOld.isStatus() && parentPlatformCatchOld != null) {
                logger.info("保存平台{}时发现旧平台在线，发送注销命令", parentPlatformOld.getServerGBId());
                commanderForPlatform.unregister(parentPlatformOld, parentPlatformCatchOld.getSipTransactionInfo(), null, eventResult -> {
                    logger.info("[国标级联] 注销成功， 平台：{}", parentPlatformOld.getServerGBId());
@@ -181,6 +187,7 @@
                logger.error("[命令发送失败] 国标级联: {}", e.getMessage());
            }
        }


        return false;
    }
@@ -226,18 +233,19 @@
                        try {
                            commanderForPlatform.keepalive(parentPlatform, eventResult -> {
                                // 心跳失败
                                if (eventResult.type == SipSubscribe.EventResultType.timeout) {
                                    // 心跳超时
                                    ParentPlatformCatch platformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatform.getServerGBId());
                                    // 此时是第三次心跳超时， 平台离线
                                    if (platformCatch.getKeepAliveReply()  == 2) {
                                        // 设置平台离线，并重新注册
                                        logger.info("[国标级联] 三次心跳超时, 平台{}({})离线", parentPlatform.getName(), parentPlatform.getServerGBId());
                                        offline(parentPlatform, false);
                                    }

                                }else {
                                if (eventResult.type != SipSubscribe.EventResultType.timeout) {
                                    logger.warn("[国标级联]发送心跳收到错误，code： {}, msg: {}", eventResult.statusCode, eventResult.msg);
                                }
                                // 心跳失败
                                ParentPlatformCatch platformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatform.getServerGBId());
                                // 此时是第三次心跳超时， 平台离线
                                if (platformCatch.getKeepAliveReply()  == 2) {
                                    // 设置平台离线，并重新注册
                                    logger.info("[国标级联] 三次心跳失败, 平台{}({})离线", parentPlatform.getName(), parentPlatform.getServerGBId());
                                    offline(parentPlatform, false);
                                }else {
                                    platformCatch.setKeepAliveReply(platformCatch.getKeepAliveReply() + 1);
                                    redisCatchStorage.updatePlatformCatchInfo(platformCatch);
                                }

                            }, eventResult -> {
@@ -256,6 +264,31 @@
                    },
                    (parentPlatform.getKeepTimeout())*1000);
        }
        if (parentPlatform.isAutoPushChannel()) {
            if (subscribeHolder.getCatalogSubscribe(parentPlatform.getServerGBId()) == null) {
                addSimulatedSubscribeInfo(parentPlatform);
            }
        }else {
            SubscribeInfo catalogSubscribe = subscribeHolder.getCatalogSubscribe(parentPlatform.getServerGBId());
            if (catalogSubscribe != null && catalogSubscribe.getExpires() == -1) {
                subscribeHolder.removeCatalogSubscribe(parentPlatform.getServerGBId());
            }
        }
    }

    @Override
    public void addSimulatedSubscribeInfo(ParentPlatform parentPlatform) {
        // 自动添加一条模拟的订阅信息
        SubscribeInfo subscribeInfo = new SubscribeInfo();
        subscribeInfo.setId(parentPlatform.getServerGBId());
        subscribeInfo.setExpires(-1);
        subscribeInfo.setEventType("Catalog");
        int random = (int) Math.floor(Math.random() * 10000);
        subscribeInfo.setEventId(random + "");
        subscribeInfo.setSimulatedCallId(UUID.randomUUID().toString().replace("-", "") + "@" + parentPlatform.getServerIP());
        subscribeInfo.setSimulatedFromTag(UUID.randomUUID().toString().replace("-", ""));
        subscribeInfo.setSimulatedToTag(UUID.randomUUID().toString().replace("-", ""));
        subscribeHolder.putCatalogSubscribe(parentPlatform.getServerGBId(), subscribeInfo);
    }

    private void registerTask(ParentPlatform parentPlatform, SipTransactionInfo sipTransactionInfo){