优化摄像头注册流程

xiaoxie

2022-04-18 6bb8f45e270681dbcb70aed663b406e7d905e091

优化摄像头注册流程

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

@@ -3,7 +3,6 @@
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.auth.RegisterLogicHandler;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.WvpSipDate;
import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
@@ -42,166 +41,157 @@
@Component
public class RegisterRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {

    private Logger logger = LoggerFactory.getLogger(RegisterRequestProcessor.class);
    private final Logger logger = LoggerFactory.getLogger(RegisterRequestProcessor.class);

    public String method = "REGISTER";
    public String method = "REGISTER";

    @Autowired
    private SipConfig sipConfig;
    @Autowired
    private SipConfig sipConfig;

    @Autowired
    private RegisterLogicHandler handler;
    @Autowired
    private IRedisCatchStorage redisCatchStorage;

    @Autowired
    private IRedisCatchStorage redisCatchStorage;
    @Autowired
    private IVideoManagerStorage storager;

    @Autowired
    private IVideoManagerStorage storager;
    @Autowired
    private EventPublisher publisher;

    @Autowired
    private EventPublisher publisher;
    @Autowired
    private SIPProcessorObserver sipProcessorObserver;

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;
    @Override
    public void afterPropertiesSet() throws Exception {
        // 添加消息处理的订阅
        sipProcessorObserver.addRequestProcessor(method, this);
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        // 添加消息处理的订阅
        sipProcessorObserver.addRequestProcessor(method, this);
    }
    /**
     * 收到注册请求 处理
     *
     * @param evt
     */
    @Override
    public void process(RequestEvent evt) {
        try {
            RequestEventExt evtExt = (RequestEventExt) evt;
            String requestAddress = evtExt.getRemoteIpAddress() + ":" + evtExt.getRemotePort();
            logger.info("[{}] 收到注册请求，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;
            FromHeader fromHeader = (FromHeader) request.getHeader(FromHeader.NAME);
            AddressImpl address = (AddressImpl) fromHeader.getAddress();
            SipUri uri = (SipUri) address.getURI();
            String deviceId = uri.getUser();

    /**
     * 收到注册请求 处理
      * @param evt
     */
    @Override
    public void process(RequestEvent evt) {
        try {
            RequestEventExt evtExt = (RequestEventExt)evt;
            String requestAddress = evtExt.getRemoteIpAddress() + ":" + evtExt.getRemotePort();
            logger.info("[{}] 收到注册请求，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;
            FromHeader fromHeader = (FromHeader) request.getHeader(FromHeader.NAME);
            AddressImpl address = (AddressImpl) fromHeader.getAddress();
            SipUri uri = (SipUri) address.getURI();
            String deviceId = uri.getUser();
            Device deviceInRedis = redisCatchStorage.getDevice(deviceId);
            Device device = storager.queryVideoDevice(deviceId);
            if (deviceInRedis != null && device == null) {
                // redis 存在脏数据
                redisCatchStorage.clearCatchByDeviceId(deviceId);
            }
            AuthorizationHeader authorhead = (AuthorizationHeader) request.getHeader(AuthorizationHeader.NAME);
            // 校验密码是否正确
            if (authorhead != null) {
                passwordCorrect = new DigestServerAuthenticationHelper().doAuthenticatePlainTextPassword(request,
                        sipConfig.getPassword());
            }
            if (StringUtils.isEmpty(sipConfig.getPassword())){
                passwordCorrect = true;
            }
            AuthorizationHeader authHead = (AuthorizationHeader) request.getHeader(AuthorizationHeader.NAME);
            if (authHead == null) {
                logger.info("[{}] 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);
                return;
            }

            // 未携带授权头或者密码错误 回复401
            if (authorhead == null ) {
            // 校验密码是否正确
            passwordCorrect = StringUtils.isEmpty(sipConfig.getPassword()) ||
                    new DigestServerAuthenticationHelper().doAuthenticatePlainTextPassword(request, sipConfig.getPassword());
            // 未携带授权头或者密码错误 回复401

                logger.info("[{}] 未携带授权头 回复401", requestAddress);
                response = getMessageFactory().createResponse(Response.UNAUTHORIZED, request);
                new DigestServerAuthenticationHelper().generateChallenge(getHeaderFactory(), response, sipConfig.getDomain());
            }else {
                if (!passwordCorrect){
                    // 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);
                }else {
                    // 携带授权头并且密码正确
                    response = getMessageFactory().createResponse(Response.OK, request);
                    // 添加date头
                    SIPDateHeader dateHeader = new SIPDateHeader();
                    // 使用自己修改的
                    WvpSipDate wvpSipDate = new WvpSipDate(Calendar.getInstance(Locale.ENGLISH).getTimeInMillis());
                    dateHeader.setDate(wvpSipDate);
                    response.addHeader(dateHeader);
            if (!passwordCorrect) {
                // 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);
                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);
            }
            // 携带授权头并且密码正确
            response = getMessageFactory().createResponse(Response.OK, request);
            // 添加date头
            SIPDateHeader dateHeader = new SIPDateHeader();
            // 使用自己修改的
            WvpSipDate wvpSipDate = new WvpSipDate(Calendar.getInstance(Locale.ENGLISH).getTimeInMillis());
            dateHeader.setDate(wvpSipDate);
            response.addHeader(dateHeader);

                    if (expiresHeader == null) {
                        response = getMessageFactory().createResponse(Response.BAD_REQUEST, request);
                        ServerTransaction serverTransaction = getServerTransaction(evt);
                        serverTransaction.sendResponse(response);
                        if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
                        return;
                    }
                    // 添加Contact头
                    response.addHeader(request.getHeader(ContactHeader.NAME));
                    // 添加Expires头
                    response.addHeader(request.getExpires());
            if (expiresHeader == null) {
                response = getMessageFactory().createResponse(Response.BAD_REQUEST, request);
                ServerTransaction serverTransaction = getServerTransaction(evt);
                serverTransaction.sendResponse(response);
                if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
                return;
            }
            // 添加Contact头
            response.addHeader(request.getHeader(ContactHeader.NAME));
            // 添加Expires头
            response.addHeader(request.getExpires());

                    // 获取到通信地址等信息
                    ViaHeader viaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
                    String received = viaHeader.getReceived();
                    int rPort = viaHeader.getRPort();
                    // 解析本地地址替代
                    if (StringUtils.isEmpty(received) || rPort == -1) {
                        received = viaHeader.getHost();
                        rPort = viaHeader.getPort();
                    }
                    //
            // 获取到通信地址等信息
            ViaHeader viaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
            String received = viaHeader.getReceived();
            int rPort = viaHeader.getRPort();
            // 解析本地地址替代
            if (StringUtils.isEmpty(received) || rPort == -1) {
                received = viaHeader.getHost();
                rPort = viaHeader.getPort();
            }
            if (device == null) {
                device = new Device();
                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;
            } else {
                // 注册成功
                device.setExpires(expiresHeader.getExpires());
                registerFlag = 1;
                // 判断TCP还是UDP
                ViaHeader reqViaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
                String transport = reqViaHeader.getTransport();
                device.setTransport("TCP".equals(transport) ? "TCP" : "UDP");
            }

                    if (device == null) {
                        device = new Device();
                        device.setStreamMode("UDP");
                        device.setCharset("GB2312");
                        device.setDeviceId(deviceId);
                        device.setFirsRegister(true);
                    }else {
                        if (device.getOnline() == 0) {
                            device.setFirsRegister(true);
                        }
                    }
                    device.setIp(received);
                    device.setPort(rPort);
                    device.setHostAddress(received.concat(":").concat(String.valueOf(rPort)));
                    // 注销成功
                    if (expiresHeader.getExpires() == 0) {
                        registerFlag = 2;
                    }
                    // 注册成功
                    else {
                        device.setExpires(expiresHeader.getExpires());
                        registerFlag = 1;
                        // 判断TCP还是UDP
                        boolean isTcp = false;
                        ViaHeader reqViaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
                        String transport = reqViaHeader.getTransport();
                        if (transport.equals("TCP")) {
                            isTcp = true;
                        }
                        device.setTransport(isTcp ? "TCP" : "UDP");
                    }
                }
            }
            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);
            }
        } catch (SipException | InvalidArgumentException | NoSuchAlgorithmException | ParseException e) {
            e.printStackTrace();
        }

            ServerTransaction serverTransaction = getServerTransaction(evt);
            serverTransaction.sendResponse(response);
            if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
            // 注册成功
            // 保存到redis
            if (registerFlag == 1 ) {
                logger.info("[{}] 注册成功! deviceId:" + device.getDeviceId(), requestAddress);
                publisher.onlineEventPublish(device, VideoManagerConstants.EVENT_ONLINE_REGISTER, expiresHeader.getExpires());
            } else if (registerFlag == 2) {
                logger.info("[{}] 注销成功! deviceId:" + device.getDeviceId(), requestAddress);
                publisher.outlineEventPublish(device.getDeviceId(), VideoManagerConstants.EVENT_OUTLINE_UNREGISTER);
            }
        } catch (SipException | InvalidArgumentException | NoSuchAlgorithmException | ParseException e) {
            e.printStackTrace();
        }
		
    }
    }

    private void sendResponse(RequestEvent evt, Response response) throws InvalidArgumentException, SipException {
        ServerTransaction serverTransaction = getServerTransaction(evt);
        serverTransaction.sendResponse(response);
        if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
    }

}