处理冲突

xiaoxie

2022-05-23 d739bfa5976e36ced26f906ab16f83c20c8cb27c

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/RegisterRequestProcessor.java

@@ -1,19 +1,17 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.genersoft.iot.vmp.common.VideoManagerConstants;
import com.genersoft.iot.vmp.conf.SipConfig;
import com.genersoft.iot.vmp.gb28181.auth.DigestServerAuthenticationHelper;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.WvpSipDate;
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.utils.DateUtil;
import gov.nist.javax.sip.RequestEventExt;
import gov.nist.javax.sip.address.AddressImpl;
import gov.nist.javax.sip.address.SipUri;
import gov.nist.javax.sip.clientauthutils.DigestServerAuthenticationHelper;
import gov.nist.javax.sip.header.Expires;
import gov.nist.javax.sip.header.SIPDateHeader;
import org.slf4j.Logger;
@@ -49,16 +47,10 @@
    private SipConfig sipConfig;

    @Autowired
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IVideoManagerStorage storager;

    @Autowired
    private EventPublisher publisher;

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;

    @Autowired
    private IDeviceService deviceService;

    @Override
    public void afterPropertiesSet() throws Exception {
@@ -76,21 +68,21 @@
        try {
            RequestEventExt evtExt = (RequestEventExt) evt;
            String requestAddress = evtExt.getRemoteIpAddress() + ":" + evtExt.getRemotePort();
            logger.info("[{}] 收到注册请求，开始处理", requestAddress);
            logger.info("[注册请求] 开始处理: {}", requestAddress);
            Request request = evt.getRequest();
            ExpiresHeader expiresHeader = (ExpiresHeader) request.getHeader(Expires.NAME);
            Response response = null;
            boolean passwordCorrect = false;
            // 注册标志  0：未携带授权头或者密码错误  1：注册成功   2：注销成功
            int registerFlag = 0;
            // 注册标志
            boolean registerFlag = false;
            FromHeader fromHeader = (FromHeader) request.getHeader(FromHeader.NAME);
            AddressImpl address = (AddressImpl) fromHeader.getAddress();
            SipUri uri = (SipUri) address.getURI();
            String deviceId = uri.getUser();

            AuthorizationHeader authHead = (AuthorizationHeader) request.getHeader(AuthorizationHeader.NAME);
            if (authHead == null) {
                logger.info("[{}] 未携带授权头 回复401", requestAddress);
            if (authHead == null && !StringUtils.isEmpty(sipConfig.getPassword())) {
                logger.info("[注册请求] 未携带授权头 回复401: {}", requestAddress);
                response = getMessageFactory().createResponse(Response.UNAUTHORIZED, request);
                new DigestServerAuthenticationHelper().generateChallenge(getHeaderFactory(), response, sipConfig.getDomain());
                sendResponse(evt, response);
@@ -106,17 +98,13 @@
                // 注册失败
                response = getMessageFactory().createResponse(Response.FORBIDDEN, request);
                response.setReasonPhrase("wrong password");
                logger.info("[{}] 密码/SIP服务器ID错误, 回复403", requestAddress);
                logger.info("[注册请求] 密码/SIP服务器ID错误, 回复403: {}", requestAddress);
                sendResponse(evt, response);
                return;
            }

            Device deviceInRedis = redisCatchStorage.getDevice(deviceId);
            Device device = storager.queryVideoDevice(deviceId);
            if (deviceInRedis != null && device == null) {
                // redis 存在脏数据
                redisCatchStorage.clearCatchByDeviceId(deviceId);
            }
            Device device = deviceService.queryDevice(deviceId);

            // 携带授权头并且密码正确
            response = getMessageFactory().createResponse(Response.OK, request);
            // 添加date头
@@ -130,7 +118,9 @@
                response = getMessageFactory().createResponse(Response.BAD_REQUEST, request);
                ServerTransaction serverTransaction = getServerTransaction(evt);
                serverTransaction.sendResponse(response);
                if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
                if (serverTransaction.getDialog() != null) {
                    serverTransaction.getDialog().delete();
                }
                return;
            }
            // 添加Contact头
@@ -152,20 +142,17 @@
                device.setStreamMode("UDP");
                device.setCharset("GB2312");
                device.setDeviceId(deviceId);
                device.setFirsRegister(true);
            } else {
                device.setFirsRegister(device.getOnline() == 0);
            }
            device.setIp(received);
            device.setPort(rPort);
            device.setHostAddress(received.concat(":").concat(String.valueOf(rPort)));
            if (expiresHeader.getExpires() == 0) {
                // 注销成功
                registerFlag = 2;
                registerFlag = false;
            } else {
                // 注册成功
                device.setExpires(expiresHeader.getExpires());
                registerFlag = 1;
                registerFlag = true;
                // 判断TCP还是UDP
                ViaHeader reqViaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
                String transport = reqViaHeader.getTransport();
@@ -175,12 +162,13 @@
            sendResponse(evt, response);
            // 注册成功
            // 保存到redis
            if (registerFlag == 1) {
                logger.info("[{}] 注册成功! deviceId:" + deviceId, requestAddress);
                publisher.onlineEventPublish(device, VideoManagerConstants.EVENT_ONLINE_REGISTER, expiresHeader.getExpires());
            } else if (registerFlag == 2) {
                logger.info("[{}] 注销成功! deviceId:" + deviceId, requestAddress);
                publisher.outlineEventPublish(deviceId, VideoManagerConstants.EVENT_OUTLINE_UNREGISTER);
            if (registerFlag) {
                logger.info("[注册成功] deviceId: {}->{}",  deviceId, requestAddress);
                device.setRegisterTime(DateUtil.getNow());
                deviceService.online(device);
            } else {
                logger.info("[注销成功] deviceId: {}->{}" ,deviceId, requestAddress);
                deviceService.offline(deviceId);
            }
        } catch (SipException | InvalidArgumentException | NoSuchAlgorithmException | ParseException e) {
            e.printStackTrace();
@@ -191,11 +179,13 @@
    private void sendResponse(RequestEvent evt, Response response) throws InvalidArgumentException, SipException {
        ServerTransaction serverTransaction = getServerTransaction(evt);
        if (serverTransaction == null) {
            logger.warn("回复失败：{}", response);
            logger.warn("[回复失败]：{}", response);
            return;
        }
        serverTransaction.sendResponse(response);
        if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
        if (serverTransaction.getDialog() != null) {
            serverTransaction.getDialog().delete();
        }
    }

}