dialog去除以及异常情况处理优化

648540858

2022-09-23 cd117ed22825b8f442e0f2281678f4549be3e109

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java

@@ -13,12 +13,13 @@
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.bean.GPSMsgInfo;
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
import com.genersoft.iot.vmp.utils.GitUtil;
import com.genersoft.iot.vmp.utils.SerializeUtils;
import gov.nist.javax.sip.SIPConstants;
import gov.nist.javax.sip.SipProviderImpl;
import gov.nist.javax.sip.SipStackImpl;
import gov.nist.javax.sip.message.MessageFactoryImpl;
import gov.nist.javax.sip.message.SIPRequest;
import gov.nist.javax.sip.stack.SIPDialog;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
@@ -26,17 +27,15 @@
import org.springframework.context.annotation.DependsOn;
import org.springframework.context.annotation.Lazy;
import org.springframework.lang.Nullable;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;

import javax.sip.*;
import javax.sip.address.SipURI;
import javax.sip.header.*;
import javax.sip.message.Request;
import java.lang.reflect.Field;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;

@Component
@@ -77,19 +76,18 @@
    private SubscribeHolder subscribeHolder;

    @Override
    public boolean register(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) {
        return register(parentPlatform, null, null, errorEvent, okEvent, false, true);
    public void register(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) throws InvalidArgumentException, ParseException, SipException {
        register(parentPlatform, null, null, errorEvent, okEvent, false, true);
    }

    @Override
    public boolean unregister(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) {
        return register(parentPlatform, null, null, errorEvent, okEvent, false, false);
    public void unregister(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) throws InvalidArgumentException, ParseException, SipException {
        register(parentPlatform, null, null, errorEvent, okEvent, false, false);
    }

    @Override
    public boolean register(ParentPlatform parentPlatform, @Nullable String callId, @Nullable WWWAuthenticateHeader www,
                            SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent, boolean registerAgain, boolean isRegister) {
        try {
    public void register(ParentPlatform parentPlatform, @Nullable String callId, @Nullable WWWAuthenticateHeader www,
                            SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent, boolean registerAgain, boolean isRegister) throws SipException, InvalidArgumentException, ParseException {
            Request request;
            if (!registerAgain ) {
                CallIdHeader callIdHeader = null;
@@ -126,23 +124,10 @@
            }

            transmitRequest(parentPlatform, request, null, okEvent);
            return true;
        } catch (ParseException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
        } catch (PeerUnavailableException e) {
            e.printStackTrace();
        } catch (SipException e) {
            e.printStackTrace();
        }
        return false;
    }

    @Override
    public String keepalive(ParentPlatform parentPlatform,SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) {
        String callId = null;
        try {
    public String keepalive(ParentPlatform parentPlatform,SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) throws SipException, InvalidArgumentException, ParseException {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer keepaliveXml = new StringBuffer(200);
            keepaliveXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -163,11 +148,7 @@
                    SipUtils.getNewViaTag(),
                    callIdHeader);
            transmitRequest(parentPlatform, request, errorEvent, okEvent);
            callId = callIdHeader.getCallId();
        } catch (ParseException | InvalidArgumentException | SipException e) {
            e.printStackTrace();
        }
        return callId;
        return callIdHeader.getCallId();
    }

    private void transmitRequest(ParentPlatform parentPlatform, Request request) throws SipException {
@@ -206,12 +187,11 @@
     * @return
     */
    @Override
    public boolean catalogQuery(DeviceChannel channel, ParentPlatform parentPlatform, String sn, String fromTag, int size) {
    public void catalogQuery(DeviceChannel channel, ParentPlatform parentPlatform, String sn, String fromTag, int size) throws SipException, InvalidArgumentException, ParseException {

        if ( parentPlatform ==null) {
            return false;
            return ;
        }
        try {
            List<DeviceChannel> channels = new ArrayList<>();
            if (channel != null) {
                channels.add(channel);
@@ -225,20 +205,14 @@
            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, catalogXml.toString(), fromTag, SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request);

        } catch (SipException | ParseException | InvalidArgumentException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    @Override
    public boolean catalogQuery(List<DeviceChannel> channels, ParentPlatform parentPlatform, String sn, String fromTag) {
    public void catalogQuery(List<DeviceChannel> channels, ParentPlatform parentPlatform, String sn, String fromTag) throws InvalidArgumentException, ParseException, SipException {
        if ( parentPlatform ==null) {
            return false;
            return ;
        }
        sendCatalogResponse(channels, parentPlatform, sn, fromTag, 0);
        return true;
    }
    private String getCatalogXml(List<DeviceChannel> channels, String sn, ParentPlatform parentPlatform, int size) {
        String characterSet = parentPlatform.getCharacterSet();
@@ -300,11 +274,10 @@
        return catalogXml.toString();
    }

    private void sendCatalogResponse(List<DeviceChannel> channels, ParentPlatform parentPlatform, String sn, String fromTag, int index) {
    private void sendCatalogResponse(List<DeviceChannel> channels, ParentPlatform parentPlatform, String sn, String fromTag, int index) throws SipException, InvalidArgumentException, ParseException {
        if (index >= channels.size()) {
            return;
        }
        try {
            List<DeviceChannel> deviceChannels;
            if (index + parentPlatform.getCatalogGroup() < channels.size()) {
                deviceChannels = channels.subList(index, index + parentPlatform.getCatalogGroup());
@@ -319,11 +292,12 @@
            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, catalogXml, fromTag, SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request, null, eventResult -> {
                int indexNext = index + parentPlatform.getCatalogGroup();
            try {
                sendCatalogResponse(channels, parentPlatform, sn, fromTag, indexNext);
            });
        } catch (SipException | ParseException | InvalidArgumentException e) {
            e.printStackTrace();
            } catch (SipException | InvalidArgumentException | ParseException e) {
                logger.error("[命令发送失败] 国标级联 目录查询回复: {}", e.getMessage());
        }
        });
    }

    /**
@@ -334,11 +308,10 @@
     * @return
     */
    @Override
    public boolean deviceInfoResponse(ParentPlatform parentPlatform, String sn, String fromTag) {
    public void deviceInfoResponse(ParentPlatform parentPlatform, String sn, String fromTag) throws SipException, InvalidArgumentException, ParseException {
        if (parentPlatform == null) {
            return false;
            return;
        }
        try {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer deviceInfoXml = new StringBuffer(600);
            deviceInfoXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -358,12 +331,6 @@

            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, deviceInfoXml.toString(), fromTag, SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request);

        } catch (SipException | ParseException | InvalidArgumentException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
@@ -374,11 +341,10 @@
     * @return
     */
    @Override
    public boolean deviceStatusResponse(ParentPlatform parentPlatform, String sn, String fromTag) {
    public void deviceStatusResponse(ParentPlatform parentPlatform, String sn, String fromTag) throws SipException, InvalidArgumentException, ParseException {
        if (parentPlatform == null) {
            return false;
            return ;
        }
        try {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer deviceStatusXml = new StringBuffer(600);
            deviceStatusXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -397,23 +363,17 @@
            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, deviceStatusXml.toString(), fromTag, SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request);

        } catch (SipException | ParseException | InvalidArgumentException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    @Override
    public boolean sendNotifyMobilePosition(ParentPlatform parentPlatform, GPSMsgInfo gpsMsgInfo, SubscribeInfo subscribeInfo) {
    public void sendNotifyMobilePosition(ParentPlatform parentPlatform, GPSMsgInfo gpsMsgInfo, SubscribeInfo subscribeInfo) throws InvalidArgumentException, ParseException, NoSuchFieldException, SipException, IllegalAccessException {
        if (parentPlatform == null) {
            return false;
            return;
        }
        if (logger.isDebugEnabled()) {
            logger.debug("[发送 移动位置订阅] {}/{}->{},{}", parentPlatform.getServerGBId(), gpsMsgInfo.getId(), gpsMsgInfo.getLng(), gpsMsgInfo.getLat());
        }

        try {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer deviceStatusXml = new StringBuffer(600);
            deviceStatusXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -433,27 +393,15 @@
                logger.error("发送NOTIFY通知消息失败。错误：{} {}", eventResult.statusCode, eventResult.msg);
            }, null);

        } catch (SipException | ParseException  e) {
            e.printStackTrace();
            return false;
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
        }
        return true;
    }

    @Override
    public boolean sendAlarmMessage(ParentPlatform parentPlatform, DeviceAlarm deviceAlarm) {
    public void sendAlarmMessage(ParentPlatform parentPlatform, DeviceAlarm deviceAlarm) throws SipException, InvalidArgumentException, ParseException {
        if (parentPlatform == null) {
            return false;
            return;
        }
        logger.info("[发送报警通知] {}/{}->{},{}: {}", parentPlatform.getServerGBId(), deviceAlarm.getChannelId(),
                deviceAlarm.getLongitude(), deviceAlarm.getLatitude(), JSONObject.toJSON(deviceAlarm));
        try {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer deviceStatusXml = new StringBuffer(600);
            deviceStatusXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -478,25 +426,18 @@
            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, deviceStatusXml.toString(), SipUtils.getNewFromTag(), SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request);

        } catch (SipException | ParseException  e) {
            e.printStackTrace();
            return false;
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
        }
        return true;
    }

    @Override
    public boolean sendNotifyForCatalogAddOrUpdate(String type, ParentPlatform parentPlatform, List<DeviceChannel> deviceChannels, SubscribeInfo subscribeInfo, Integer index) {
    public void sendNotifyForCatalogAddOrUpdate(String type, ParentPlatform parentPlatform, List<DeviceChannel> deviceChannels, SubscribeInfo subscribeInfo, Integer index) throws InvalidArgumentException, ParseException, NoSuchFieldException, SipException, IllegalAccessException {
        if (parentPlatform == null || deviceChannels == null || deviceChannels.size() == 0 || subscribeInfo == null) {
            return false;
            return;
        }
        if (index == null) {
            index = 0;
        }
        if (index >= deviceChannels.size()) {
            return true;
            return;
        }
        List<DeviceChannel> channels;
        if (index + parentPlatform.getCatalogGroup() < deviceChannels.size()) {
@@ -504,32 +445,25 @@
        }else {
            channels = deviceChannels.subList(index, deviceChannels.size());
        }
        try {
            Integer finalIndex = index;
            String catalogXmlContent = getCatalogXmlContentForCatalogAddOrUpdate(parentPlatform, channels,
                    deviceChannels.size(), type, subscribeInfo);
            sendNotify(parentPlatform, catalogXmlContent, subscribeInfo, eventResult -> {
                logger.error("发送NOTIFY通知消息失败。错误：{} {}", eventResult.statusCode, eventResult.msg);
            }, (eventResult -> {
            try {
                sendNotifyForCatalogAddOrUpdate(type, parentPlatform, deviceChannels, subscribeInfo,
                        finalIndex + parentPlatform.getCatalogGroup());
            }));
        } catch (SipException | ParseException e) {
            e.printStackTrace();
            return false;
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
            } catch (InvalidArgumentException | ParseException | NoSuchFieldException | SipException |
                     IllegalAccessException e) {
                logger.error("[命令发送失败] 国标级联 NOTIFY通知: {}", e.getMessage());
        }
        return true;
        }));
    }

    private ClientTransaction sendNotify(ParentPlatform parentPlatform, String catalogXmlContent,
    private void sendNotify(ParentPlatform parentPlatform, String catalogXmlContent,
                                   SubscribeInfo subscribeInfo, SipSubscribe.Event errorEvent,  SipSubscribe.Event okEvent )
            throws NoSuchFieldException, IllegalAccessException, SipException, ParseException, InvalidArgumentException {
            throws SipException, ParseException, InvalidArgumentException {
      MessageFactoryImpl messageFactory = (MessageFactoryImpl) sipFactory.createMessageFactory();
        String characterSet = parentPlatform.getCharacterSet();
       // 设置编码， 防止中文乱码
@@ -537,50 +471,7 @@

        SIPRequest notifyRequest = headerProviderPlatformProvider.createNotifyRequest(parentPlatform, catalogXmlContent, subscribeInfo);

        notifyRequest.getCSeqHeader().setSeqNumber(redisCatchStorage.getCSEQ());
        
        ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
        notifyRequest.setContent(catalogXmlContent, contentTypeHeader);

        SubscriptionStateHeader subscriptionState = sipFactory.createHeaderFactory()
                .createSubscriptionStateHeader(SubscriptionStateHeader.ACTIVE);
        notifyRequest.addHeader(subscriptionState);

        EventHeader event = sipFactory.createHeaderFactory().createEventHeader(subscribeInfo.getEventType());
        if (subscribeInfo.getEventId() != null) {
            event.setEventId(subscribeInfo.getEventId());
        }
        notifyRequest.addHeader(event);
        SipURI sipURI = (SipURI) notifyRequest.getRequestURI();
        sipURI.setHost(parentPlatform.getServerIP());
        sipURI.setPort(parentPlatform.getServerPort());

//        ClientTransaction transaction = subscribeInfo.getClientTransaction();
//        if (transaction == null || transaction.getState().equals(TransactionState.COMPLETED)) {
//            if ("TCP".equals(parentPlatform.getTransport())) {
//                transaction = tcpSipProvider.getNewClientTransaction(notifyRequest);
//            } else if ("UDP".equals(parentPlatform.getTransport())) {
//                transaction = udpSipProvider.getNewClientTransaction(notifyRequest);
//            }
//        }

        ClientTransaction transaction = null;
        if ("TCP".equals(parentPlatform.getTransport())) {
            transaction = tcpSipProvider.getNewClientTransaction(notifyRequest);
        } else if ("UDP".equals(parentPlatform.getTransport())) {
            transaction = udpSipProvider.getNewClientTransaction(notifyRequest);
        }

        // 添加错误订阅
        if (errorEvent != null) {
            sipSubscribe.addErrorSubscribe(subscribeInfo.getRequest().getCallIdHeader().getCallId(), errorEvent);
        }
        // 添加订阅
        if (okEvent != null) {
            sipSubscribe.addOkSubscribe(subscribeInfo.getRequest().getCallIdHeader().getCallId(), okEvent);
        }
        transaction.sendRequest();
        return transaction;
        transmitRequest(parentPlatform, notifyRequest);
    }

    private  String getCatalogXmlContentForCatalogAddOrUpdate(ParentPlatform parentPlatform, List<DeviceChannel> channels, int sumNum, String type, SubscribeInfo subscribeInfo) {
@@ -639,20 +530,21 @@
    }

    @Override
    public boolean sendNotifyForCatalogOther(String type, ParentPlatform parentPlatform, List<DeviceChannel> deviceChannels,
                                             SubscribeInfo subscribeInfo, Integer index) {
    public void sendNotifyForCatalogOther(String type, ParentPlatform parentPlatform, List<DeviceChannel> deviceChannels,
                                             SubscribeInfo subscribeInfo, Integer index) throws InvalidArgumentException, ParseException, NoSuchFieldException, SipException, IllegalAccessException {
        if (parentPlatform == null
                || deviceChannels == null
                || deviceChannels.size() == 0
                || subscribeInfo == null) {
            return false;
            logger.warn("[缺少必要参数]");
            return;
        }

        if (index == null) {
            index = 0;
        }
        if (index >= deviceChannels.size()) {
            return true;
            return;
        }
        List<DeviceChannel> channels;
        if (index + parentPlatform.getCatalogGroup() < deviceChannels.size()) {
@@ -660,28 +552,19 @@
        }else {
            channels = deviceChannels.subList(index, deviceChannels.size());
        }
        try {
            Integer finalIndex = index;
            String catalogXmlContent = getCatalogXmlContentForCatalogOther(parentPlatform, channels, type);
            sendNotify(parentPlatform, catalogXmlContent, subscribeInfo, eventResult -> {
                logger.error("发送NOTIFY通知消息失败。错误：{} {}", eventResult.statusCode, eventResult.msg);
            }, (eventResult -> {
        }, eventResult -> {
            try {
                sendNotifyForCatalogOther(type, parentPlatform, deviceChannels, subscribeInfo,
                        finalIndex + parentPlatform.getCatalogGroup());
            }));
        } catch (SipException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            e.printStackTrace();
            } catch (InvalidArgumentException | ParseException | NoSuchFieldException | SipException |
                     IllegalAccessException e) {
                logger.error("[命令发送失败] 国标级联 NOTIFY通知: {}", e.getMessage());
        }

        return true;
        });
    }

    private String getCatalogXmlContentForCatalogOther(ParentPlatform parentPlatform, List<DeviceChannel> channels, String type) {
@@ -711,11 +594,10 @@
        return catalogXml.toString();
    }
    @Override
    public boolean recordInfo(DeviceChannel deviceChannel, ParentPlatform parentPlatform, String fromTag, RecordInfo recordInfo) {
    public void recordInfo(DeviceChannel deviceChannel, ParentPlatform parentPlatform, String fromTag, RecordInfo recordInfo) throws SipException, InvalidArgumentException, ParseException {
        if ( parentPlatform ==null) {
            return false;
            return ;
        }
        try {
            String characterSet = parentPlatform.getCharacterSet();
            StringBuffer recordXml = new StringBuffer(600);
            recordXml.append("<?xml version=\"1.0\" encoding=\"" + characterSet + "\"?>\r\n");
@@ -759,23 +641,14 @@
            Request request = headerProviderPlatformProvider.createMessageRequest(parentPlatform, recordXml.toString(), fromTag, SipUtils.getNewViaTag(), callIdHeader);
            transmitRequest(parentPlatform, request);

        } catch (SipException | ParseException | InvalidArgumentException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    @Override
    public boolean sendMediaStatusNotify(ParentPlatform platform, SendRtpItem sendRtpItem) {
        if (sendRtpItem == null) {
            return false;
        }
        if (platform == null) {
            return false;
    public void sendMediaStatusNotify(ParentPlatform platform, SendRtpItem sendRtpItem) throws SipException, InvalidArgumentException, ParseException {
        if (sendRtpItem == null || platform == null) {
            return;
        }

        try{

            String characterSet = platform.getCharacterSet();
            StringBuffer mediaStatusXml = new StringBuffer(200);
@@ -790,34 +663,12 @@
            SIPRequest messageRequest = (SIPRequest)headerProviderPlatformProvider.createMessageRequest(platform, mediaStatusXml.toString(),
                    sendRtpItem);

            ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
            messageRequest.setContent(mediaStatusXml.toString(), contentTypeHeader);
            SipURI sipURI = (SipURI) messageRequest.getRequestURI();
            sipURI.setHost(platform.getServerIP());
            sipURI.setPort(platform.getServerPort());
            ClientTransaction clientTransaction;
            if ("TCP".equals(platform.getTransport())) {
                clientTransaction = tcpSipProvider.getNewClientTransaction(messageRequest);
            }else {
                clientTransaction = udpSipProvider.getNewClientTransaction(messageRequest);
            }
            clientTransaction.sendRequest();
        } catch (SipException e) {
            e.printStackTrace();
            return false;
        } catch (ParseException e) {
            e.printStackTrace();
            return false;
        } catch (InvalidArgumentException e) {
            throw new RuntimeException(e);
        }
        return true;

        transmitRequest(platform, messageRequest);

    }

    @Override
    public void streamByeCmd(ParentPlatform platform, String callId) {
    public void streamByeCmd(ParentPlatform platform, String callId) throws SipException, InvalidArgumentException, ParseException {
        if (platform == null) {
            return;
        }
@@ -828,7 +679,7 @@
    }

    @Override
    public void streamByeCmd(ParentPlatform platform, SendRtpItem sendRtpItem) {
    public void streamByeCmd(ParentPlatform platform, SendRtpItem sendRtpItem) throws SipException, InvalidArgumentException, ParseException {
        if (sendRtpItem == null ) {
            logger.info("[向上级发送BYE]， sendRtpItem 为NULL");
            return;
@@ -844,25 +695,10 @@
            mediaServerService.releaseSsrc(mediaServerItem.getId(), sendRtpItem.getSsrc());
            zlmrtpServerFactory.closeRTPServer(mediaServerItem, sendRtpItem.getStreamId());
        }
        try {

            SIPRequest byeRequest = headerProviderPlatformProvider.createByeRequest(platform, sendRtpItem);
            if (byeRequest == null) {
                logger.warn("[向上级发送bye]：无法创建 byeRequest");
            }
            ClientTransaction clientTransaction;
            if ("TCP".equals(platform.getTransport())) {
                clientTransaction = tcpSipProvider.getNewClientTransaction(byeRequest);
            } else {
                clientTransaction = udpSipProvider.getNewClientTransaction(byeRequest);
            }
            clientTransaction.sendRequest();
        } catch (SipException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        } catch (InvalidArgumentException e) {
            throw new RuntimeException(e);
        }
        transmitRequest(platform,byeRequest);
    }
}