package com.genersoft.iot.vmp.gb28181.transmit.cmd.impl; import com.genersoft.iot.vmp.gb28181.bean.*; import com.genersoft.iot.vmp.gb28181.event.SipSubscribe; import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform; import com.genersoft.iot.vmp.gb28181.transmit.cmd.SIPRequestHeaderPlarformProvider; import com.genersoft.iot.vmp.gb28181.utils.DateUtil; import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory; import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem; 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.SerializeUtils; import gov.nist.javax.sip.SipProviderImpl; import gov.nist.javax.sip.SipStackImpl; 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; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.context.annotation.DependsOn; import org.springframework.context.annotation.Lazy; import org.springframework.lang.Nullable; import org.springframework.stereotype.Component; import org.springframework.util.StringUtils; 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.HashSet; import java.util.List; import java.util.UUID; @Component @DependsOn("sipLayer") public class SIPCommanderFroPlatform implements ISIPCommanderForPlatform { private final Logger logger = LoggerFactory.getLogger(SIPCommanderFroPlatform.class); @Autowired private SIPRequestHeaderPlarformProvider headerProviderPlarformProvider; @Autowired private IRedisCatchStorage redisCatchStorage; @Autowired private IMediaServerService mediaServerService; @Autowired private SipSubscribe sipSubscribe; @Autowired private ZLMRTPServerFactory zlmrtpServerFactory; @Lazy @Autowired @Qualifier(value="tcpSipProvider") private SipProviderImpl tcpSipProvider; @Lazy @Autowired @Qualifier(value="udpSipProvider") private SipProviderImpl udpSipProvider; @Autowired private SipFactory sipFactory; @Override public boolean register(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) { return register(parentPlatform, null, null, errorEvent, okEvent, false); } @Override public boolean unregister(ParentPlatform parentPlatform, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) { ParentPlatformCatch parentPlatformCatch = redisCatchStorage.queryPlatformCatchInfo(parentPlatform.getServerGBId()); if (parentPlatformCatch != null) { parentPlatformCatch.setParentPlatform(parentPlatform); redisCatchStorage.updatePlatformCatchInfo(parentPlatformCatch); } parentPlatform.setExpires("0"); return register(parentPlatform, null, null, errorEvent, okEvent, false); } @Override public boolean register(ParentPlatform parentPlatform, @Nullable String callId, @Nullable WWWAuthenticateHeader www, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent, boolean registerAgain) { try { Request request; String tm = Long.toString(System.currentTimeMillis()); if (!registerAgain ) { // //callid CallIdHeader callIdHeader = null; if(parentPlatform.getTransport().equals("TCP")) { callIdHeader = tcpSipProvider.getNewCallId(); } if(parentPlatform.getTransport().equals("UDP")) { callIdHeader = udpSipProvider.getNewCallId(); } request = headerProviderPlarformProvider.createRegisterRequest(parentPlatform, redisCatchStorage.getCSEQ(Request.REGISTER), "FromRegister" + tm, null, callIdHeader); // 将 callid 写入缓存, 等注册成功可以更新状态 String callIdFromHeader = callIdHeader.getCallId(); redisCatchStorage.updatePlatformRegisterInfo(callIdFromHeader, parentPlatform.getServerGBId()); sipSubscribe.addErrorSubscribe(callIdHeader.getCallId(), (event)->{ if (event != null) { logger.info("向上级平台 [ {} ] 注册发生错误: {} ", parentPlatform.getServerGBId(), event.msg); } redisCatchStorage.delPlatformRegisterInfo(callIdFromHeader); if (errorEvent != null ) { errorEvent.response(event); } }); }else { CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); request = headerProviderPlarformProvider.createRegisterRequest(parentPlatform, "FromRegister" + tm, null, callId, www, callIdHeader); } 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) { String callId = null; try { StringBuffer keepaliveXml = new StringBuffer(200); keepaliveXml.append("\r\n"); keepaliveXml.append("\r\n"); keepaliveXml.append("Keepalive\r\n"); keepaliveXml.append("" + (int)((Math.random()*9+1)*100000) + "\r\n"); keepaliveXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); keepaliveXml.append("OK\r\n"); keepaliveXml.append("\r\n"); CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); Request request = headerProviderPlarformProvider.createKeetpaliveMessageRequest( parentPlatform, keepaliveXml.toString(), "z9hG4bK-" + UUID.randomUUID().toString().replace("-", ""), UUID.randomUUID().toString().replace("-", ""), null, callIdHeader); transmitRequest(parentPlatform, request); callId = callIdHeader.getCallId(); } catch (ParseException | InvalidArgumentException | SipException e) { e.printStackTrace(); } return callId; } private void transmitRequest(ParentPlatform parentPlatform, Request request) throws SipException { transmitRequest(parentPlatform, request, null, null); } private void transmitRequest(ParentPlatform parentPlatform, Request request, SipSubscribe.Event errorEvent) throws SipException { transmitRequest(parentPlatform, request, errorEvent, null); } private void transmitRequest(ParentPlatform parentPlatform, Request request, SipSubscribe.Event errorEvent , SipSubscribe.Event okEvent) throws SipException { logger.debug("\n发送消息:\n{}", request); if("TCP".equals(parentPlatform.getTransport())) { tcpSipProvider.sendRequest(request); } else if("UDP".equals(parentPlatform.getTransport())) { udpSipProvider.sendRequest(request); } CallIdHeader callIdHeader = (CallIdHeader)request.getHeader(CallIdHeader.NAME); // 添加错误订阅 if (errorEvent != null) { sipSubscribe.addErrorSubscribe(callIdHeader.getCallId(), errorEvent); } // 添加订阅 if (okEvent != null) { sipSubscribe.addOkSubscribe(callIdHeader.getCallId(), okEvent); } } /** * 向上级回复通道信息 * @param channel 通道信息 * @param parentPlatform 平台信息 * @return */ @Override public boolean catalogQuery(DeviceChannel channel, ParentPlatform parentPlatform, String sn, String fromTag, int size) { if ( parentPlatform ==null) { return false; } try { StringBuffer catalogXml = new StringBuffer(600); catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("Catalog\r\n"); catalogXml.append("" +sn + "\r\n"); catalogXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); catalogXml.append("" + size + "\r\n"); catalogXml.append("\r\n"); catalogXml.append("\r\n"); if (channel != null) { catalogXml.append("" + channel.getChannelId() + "\r\n"); catalogXml.append("" + channel.getName() + "\r\n"); catalogXml.append("" + channel.getManufacture() + "\r\n"); catalogXml.append("" + channel.getModel() + "\r\n"); catalogXml.append("" + channel.getOwner() + "\r\n"); catalogXml.append("" + channel.getCivilCode() + "\r\n"); catalogXml.append("
" + channel.getAddress() + "
\r\n"); catalogXml.append("" + channel.getParental() + "\r\n"); if (channel.getParentId() != null) { catalogXml.append("" + channel.getParentId() + "\r\n"); } catalogXml.append("" + channel.getSecrecy() + "\r\n"); catalogXml.append("" + channel.getRegisterWay() + "\r\n"); catalogXml.append("" + (channel.getStatus() == 0?"OFF":"ON") + "\r\n"); catalogXml.append("" + channel.getLongitude() + "\r\n"); catalogXml.append("" + channel.getLatitude() + "\r\n"); catalogXml.append("" + channel.getIpAddress() + "\r\n"); catalogXml.append("" + channel.getPort() + "\r\n"); catalogXml.append("\r\n"); catalogXml.append("" + channel.getPTZType() + "\r\n"); catalogXml.append("\r\n"); } catalogXml.append("
\r\n"); catalogXml.append("
\r\n"); catalogXml.append("
\r\n"); // callid CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); Request request = headerProviderPlarformProvider.createMessageRequest(parentPlatform, catalogXml.toString(), fromTag, callIdHeader); transmitRequest(parentPlatform, request); } catch (SipException | ParseException | InvalidArgumentException e) { e.printStackTrace(); return false; } return true; } /** * 向上级回复DeviceInfo查询信息 * @param parentPlatform 平台信息 * @param sn * @param fromTag * @return */ @Override public boolean deviceInfoResponse(ParentPlatform parentPlatform, String sn, String fromTag) { if (parentPlatform == null) { return false; } try { StringBuffer deviceInfoXml = new StringBuffer(600); deviceInfoXml.append("\r\n"); deviceInfoXml.append("\r\n"); deviceInfoXml.append("DeviceInfo\r\n"); deviceInfoXml.append("" +sn + "\r\n"); deviceInfoXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); deviceInfoXml.append("" + parentPlatform.getName() + "\r\n"); deviceInfoXml.append("wvp\r\n"); deviceInfoXml.append("wvp-28181-2.0\r\n"); deviceInfoXml.append("2.0.202107\r\n"); deviceInfoXml.append("OK\r\n"); deviceInfoXml.append("\r\n"); CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); Request request = headerProviderPlarformProvider.createMessageRequest(parentPlatform, deviceInfoXml.toString(), fromTag, callIdHeader); transmitRequest(parentPlatform, request); } catch (SipException | ParseException | InvalidArgumentException e) { e.printStackTrace(); return false; } return true; } /** * 向上级回复DeviceStatus查询信息 * @param parentPlatform 平台信息 * @param sn * @param fromTag * @return */ @Override public boolean deviceStatusResponse(ParentPlatform parentPlatform, String sn, String fromTag) { if (parentPlatform == null) { return false; } try { StringBuffer deviceStatusXml = new StringBuffer(600); deviceStatusXml.append("\r\n"); deviceStatusXml.append("\r\n"); deviceStatusXml.append("DeviceStatus\r\n"); deviceStatusXml.append("" +sn + "\r\n"); deviceStatusXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); deviceStatusXml.append("OK\r\n"); deviceStatusXml.append("ONLINE\r\n"); deviceStatusXml.append("OK\r\n"); deviceStatusXml.append("\r\n"); CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); Request request = headerProviderPlarformProvider.createMessageRequest(parentPlatform, deviceStatusXml.toString(), fromTag, 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) { if (parentPlatform == null) { return false; } try { StringBuffer deviceStatusXml = new StringBuffer(600); deviceStatusXml.append("\r\n"); deviceStatusXml.append("\r\n"); deviceStatusXml.append("MobilePosition\r\n"); deviceStatusXml.append("" + (int)((Math.random()*9+1)*100000) + "\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getId() + "\r\n"); deviceStatusXml.append("\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getLng() + "\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getLat() + "\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getSpeed() + "\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getDirection() + "\r\n"); deviceStatusXml.append("" + gpsMsgInfo.getAltitude() + "\r\n"); deviceStatusXml.append("\r\n"); CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); callIdHeader.setCallId(subscribeInfo.getCallId()); // sendNotify(parentPlatform, deviceStatusXml.toString(), subscribeInfo, eventResult -> { 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(); } return true; } @Override public boolean sendNotifyForCatalogAddOrUpdate(String type, ParentPlatform parentPlatform, List deviceChannels, SubscribeInfo subscribeInfo, Integer index) { if (parentPlatform == null || deviceChannels == null || deviceChannels.size() == 0 || subscribeInfo == null) { return false; } if (index == null) { index = 0; } if (index >= deviceChannels.size()) { return true; } try { Integer finalIndex = index; String catalogXmlContent = getCatalogXmlContentForCatalogAddOrUpdate(parentPlatform, deviceChannels.get(index ), 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 -> { sendNotifyForCatalogAddOrUpdate(type, parentPlatform, deviceChannels, subscribeInfo, finalIndex + 1); })); } catch (SipException | ParseException e) { e.printStackTrace(); return false; } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } return true; } private void sendNotify(ParentPlatform parentPlatform, String catalogXmlContent, SubscribeInfo subscribeInfo, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent ) throws NoSuchFieldException, IllegalAccessException, SipException, ParseException { Dialog dialog = subscribeInfo.getDialog(); Request notifyRequest = dialog.createRequest(Request.NOTIFY); 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(); SIPRequest request = (SIPRequest) subscribeInfo.getTransaction().getRequest(); sipURI.setHost(request.getRemoteAddress().getHostName()); sipURI.setPort(request.getRemotePort()); 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.getCallId(), errorEvent); } // 添加订阅 if (okEvent != null) { sipSubscribe.addOkSubscribe(subscribeInfo.getCallId(), okEvent); } if (transaction == null) { logger.error("平台{}的Transport错误:{}",parentPlatform.getServerGBId(), parentPlatform.getTransport()); return; } dialog.sendRequest(transaction); } // private Request getCatalogNotifyRequestForCatalogAddOrUpdate(ParentPlatform parentPlatform, DeviceChannel channel, int size, String type, // SubscribeInfo subscribeInfo) throws ParseException, InvalidArgumentException, // PeerUnavailableException, NoSuchFieldException, IllegalAccessException { // String catalogXmlContent = getCatalogXmlContentForCatalogAddOrUpdate(parentPlatform, channel, size, type, subscribeInfo); // // CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() // : udpSipProvider.getNewCallId(); // callIdHeader.setCallId(subscribeInfo.getCallId()); // String tm = Long.toString(System.currentTimeMillis()); // // Request request = headerProviderPlarformProvider.createNotifyRequest(parentPlatform, catalogXmlContent, // callIdHeader, "z9hG4bK-" + UUID.randomUUID().toString().replace("-", ""),"FromRegister" + tm, subscribeInfo); // return request; // } private String getCatalogXmlContentForCatalogAddOrUpdate(ParentPlatform parentPlatform, DeviceChannel channel, int sumNum, String type, SubscribeInfo subscribeInfo) { StringBuffer catalogXml = new StringBuffer(600); if (parentPlatform.getServerGBId().equals(channel.getParentId())) { channel.setParentId(parentPlatform.getDeviceGBId()); } catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("Catalog\r\n"); catalogXml.append("" + (int) ((Math.random() * 9 + 1) * 100000) + "\r\n"); catalogXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); catalogXml.append("1\r\n"); catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("" + channel.getChannelId() + "\r\n"); catalogXml.append("" + channel.getName() + "\r\n"); catalogXml.append("" + channel.getManufacture() + "\r\n"); catalogXml.append("" + channel.getModel() + "\r\n"); catalogXml.append("0\r\n"); catalogXml.append("CivilCode\r\n"); catalogXml.append("
" + channel.getAddress() + "
\r\n"); catalogXml.append("" + channel.getParental() + "\r\n"); if (channel.getParentId() != null) { catalogXml.append("" + channel.getParentId() + "\r\n"); } catalogXml.append("" + channel.getSecrecy() + "\r\n"); catalogXml.append("" + channel.getRegisterWay() + "\r\n"); catalogXml.append("" + (channel.getStatus() == 0 ? "OFF" : "ON") + "\r\n"); if (!"presence".equals(subscribeInfo.getEventType())) { catalogXml.append("" + type + "\r\n"); } catalogXml.append("
\r\n"); catalogXml.append("
\r\n"); catalogXml.append("
\r\n"); return catalogXml.toString(); } @Override public boolean sendNotifyForCatalogOther(String type, ParentPlatform parentPlatform, List deviceChannels, SubscribeInfo subscribeInfo, Integer index) { if (parentPlatform == null || deviceChannels == null || deviceChannels.size() == 0 || subscribeInfo == null) { return false; } if (index == null) { index = 0; } if (index >= deviceChannels.size()) { return true; } try { Integer finalIndex = index; String catalogXmlContent = getCatalogXmlContentForCatalogOther(parentPlatform, deviceChannels.get(index), type); sendNotify(parentPlatform, catalogXmlContent, subscribeInfo, eventResult -> { logger.error("发送NOTIFY通知消息失败。错误:{} {}", eventResult.statusCode, eventResult.msg); }, (eventResult -> { sendNotifyForCatalogOther(type, parentPlatform, deviceChannels, subscribeInfo, finalIndex + 1); })); } catch (SipException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } return true; } private String getCatalogXmlContentForCatalogOther(ParentPlatform parentPlatform, DeviceChannel channel, String type) { if (parentPlatform.getServerGBId().equals(channel.getParentId())) { channel.setParentId(parentPlatform.getDeviceGBId()); } StringBuffer catalogXml = new StringBuffer(600); catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("Catalog\r\n"); catalogXml.append("" + (int) ((Math.random() * 9 + 1) * 100000) + "\r\n"); catalogXml.append("" + parentPlatform.getDeviceGBId() + "\r\n"); catalogXml.append("1\r\n"); catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("" + channel.getChannelId() + "\r\n"); catalogXml.append("" + type + "\r\n"); catalogXml.append("\r\n"); catalogXml.append("\r\n"); catalogXml.append("\r\n"); return catalogXml.toString(); } @Override public boolean recordInfo(DeviceChannel deviceChannel, ParentPlatform parentPlatform, String fromTag, RecordInfo recordInfo) { if ( parentPlatform ==null) { return false; } try { StringBuffer recordXml = new StringBuffer(600); recordXml.append("\r\n"); recordXml.append("\r\n"); recordXml.append("RecordInfo\r\n"); recordXml.append("" +recordInfo.getSn() + "\r\n"); recordXml.append("" + recordInfo.getDeviceId() + "\r\n"); recordXml.append("" + recordInfo.getSumNum() + "\r\n"); recordXml.append("\r\n"); for (RecordItem recordItem : recordInfo.getRecordList()) { recordXml.append("\r\n"); if (deviceChannel != null) { recordXml.append("" + recordItem.getDeviceId() + "\r\n"); recordXml.append("" + recordItem.getName() + "\r\n"); recordXml.append("" + DateUtil.yyyy_MM_dd_HH_mm_ssToISO8601(recordItem.getStartTime()) + "\r\n"); recordXml.append("" + DateUtil.yyyy_MM_dd_HH_mm_ssToISO8601(recordItem.getEndTime()) + "\r\n"); recordXml.append("" + recordItem.getSecrecy() + "\r\n"); recordXml.append("" + recordItem.getType() + "\r\n"); if (!StringUtils.isEmpty(recordItem.getFileSize())) { recordXml.append("" + recordItem.getFileSize() + "\r\n"); } if (!StringUtils.isEmpty(recordItem.getFilePath())) { recordXml.append("" + recordItem.getFilePath() + "\r\n"); } } recordXml.append("\r\n"); } recordXml.append("\r\n"); recordXml.append("\r\n"); // callid CallIdHeader callIdHeader = parentPlatform.getTransport().equals("TCP") ? tcpSipProvider.getNewCallId() : udpSipProvider.getNewCallId(); Request request = headerProviderPlarformProvider.createMessageRequest(parentPlatform, recordXml.toString(), fromTag, callIdHeader); transmitRequest(parentPlatform, request); } catch (SipException | ParseException | InvalidArgumentException e) { e.printStackTrace(); return false; } return true; } @Override public void streamByeCmd(ParentPlatform platform, String callId) { if (platform == null) { return; } SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(platform.getServerGBId(), null, null, callId); if (sendRtpItem != null) { String mediaServerId = sendRtpItem.getMediaServerId(); MediaServerItem mediaServerItem = mediaServerService.getOne(mediaServerId); if (mediaServerItem != null) { mediaServerService.releaseSsrc(mediaServerItem.getId(), sendRtpItem.getSsrc()); zlmrtpServerFactory.closeRTPServer(mediaServerItem, sendRtpItem.getStreamId()); } byte[] dialogByteArray = sendRtpItem.getDialog(); if (dialogByteArray != null) { SIPDialog dialog = (SIPDialog) SerializeUtils.deSerialize(dialogByteArray); SipStack sipStack = udpSipProvider.getSipStack(); SIPDialog sipDialog = ((SipStackImpl) sipStack).putDialog(dialog); if (dialog != sipDialog) { dialog = sipDialog; } else { try { dialog.setSipProvider(udpSipProvider); Field sipStackField = SIPDialog.class.getDeclaredField("sipStack"); sipStackField.setAccessible(true); sipStackField.set(dialog, sipStack); Field eventListenersField = SIPDialog.class.getDeclaredField("eventListeners"); eventListenersField.setAccessible(true); eventListenersField.set(dialog, new HashSet<>()); byte[] transactionByteArray = sendRtpItem.getTransaction(); ClientTransaction clientTransaction = (ClientTransaction) SerializeUtils.deSerialize(transactionByteArray); Request byeRequest = dialog.createRequest(Request.BYE); SipURI byeURI = (SipURI) byeRequest.getRequestURI(); SIPRequest request = (SIPRequest) clientTransaction.getRequest(); byeURI.setHost(request.getRemoteAddress().getHostName()); byeURI.setPort(request.getRemotePort()); if ("TCP".equals(platform.getTransport())) { clientTransaction = tcpSipProvider.getNewClientTransaction(byeRequest); } else if ("UDP".equals(platform.getTransport())) { clientTransaction = udpSipProvider.getNewClientTransaction(byeRequest); } dialog.sendRequest(clientTransaction); } catch (SipException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } } } } }