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@@ -1,71 +1,231 @@
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package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
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package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
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+import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.RequestEvent;
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+import javax.sip.SipException;
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+import javax.sip.address.SipURI;
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+import javax.sip.header.ContentTypeHeader;
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+import javax.sip.header.FromHeader;
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+import javax.sip.header.SubjectHeader;
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+import javax.sip.message.Request;
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+import javax.sip.message.Response;
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+import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
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+import com.genersoft.iot.vmp.gb28181.sdp.Codec;
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+import com.genersoft.iot.vmp.gb28181.sdp.MediaDescription;
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+import com.genersoft.iot.vmp.gb28181.sdp.SdpParser;
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+import com.genersoft.iot.vmp.gb28181.sdp.SessionDescription;
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+import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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+import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
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import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
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import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
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+import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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+import gov.nist.javax.sip.address.AddressImpl;
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+import gov.nist.javax.sip.address.SipUri;
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+import org.slf4j.Logger;
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+import org.slf4j.LoggerFactory;
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+
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+import java.io.IOException;
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+import java.text.ParseException;
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+import java.util.List;
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/**
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/**
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* @Description:处理INVITE请求
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* @Description:处理INVITE请求
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- * @author: swwheihei
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- * @date: 2020年5月3日 下午4:43:52
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+ * @author: panll
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+ * @date: 2021年1月14日
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*/
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*/
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public class InviteRequestProcessor extends SIPRequestAbstractProcessor {
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public class InviteRequestProcessor extends SIPRequestAbstractProcessor {
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+ private final static Logger logger = LoggerFactory.getLogger(MessageRequestProcessor.class);
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+
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+ private SIPCommanderFroPlatform cmderFroPlatform;
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+
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+ private IVideoManagerStorager storager;
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+
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/**
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/**
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* 处理invite请求
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* 处理invite请求
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*
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*
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- * @param request
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+ * @param evt
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* 请求消息
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* 请求消息
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*/
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*/
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@Override
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@Override
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public void process(RequestEvent evt) {
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public void process(RequestEvent evt) {
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- // TODO 优先级99 Invite Request消息实现,此消息一般为级联消息,上级给下级发送请求视频指令
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-// Request request = requestEvent.getRequest();
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-//
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-// try {
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-// // 发送100 Trying
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-// ServerTransaction serverTransaction = getServerTransaction(requestEvent);
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-// // 查询目标地址
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-// URI reqUri = request.getRequestURI();
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-// URI contactURI = currUser.get(reqUri);
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-//
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-// System.out.println("processInvite rqStr=" + reqUri + " contact=" + contactURI);
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-//
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-// // 根据Request uri来路由,后续的响应消息通过VIA来路由
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-// Request cliReq = messageFactory.createRequest(request.toString());
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-// cliReq.setRequestURI(contactURI);
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-//
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-// HeaderFactory headerFactory = SipFactory.getInstance().createHeaderFactory();
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-// Via callerVia = (Via) request.getHeader(Via.NAME);
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-// Via via = (Via) headerFactory.createViaHeader(SIPMain.ip, SIPMain.port, "UDP",
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-// callerVia.getBranch() + "sipphone");
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-//
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-// cliReq.removeHeader(Via.NAME);
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-// cliReq.addHeader(via);
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-//
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-// // 更新contact的地址
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-// ContactHeader contactHeader = headerFactory.createContactHeader();
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-// Address address = SipFactory.getInstance().createAddressFactory()
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-// .createAddress("sip:sipsoft@" + SIPMain.ip + ":" + SIPMain.port);
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-// contactHeader.setAddress(address);
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-// contactHeader.setExpires(3600);
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-// cliReq.setHeader(contactHeader);
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-//
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-// clientTransactionId = sipProvider.getNewClientTransaction(cliReq);
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-// clientTransactionId.sendRequest();
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-//
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-// System.out.println("processInvite clientTransactionId=" + clientTransactionId.toString());
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-//
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-// System.out.println("send invite to callee: " + cliReq);
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-// } catch (TransactionUnavailableException e1) {
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-// e1.printStackTrace();
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-// } catch (SipException e) {
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-// e.printStackTrace();
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-// } catch (ParseException e) {
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-// e.printStackTrace();
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-// } catch (Exception e) {
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-// e.printStackTrace();
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-// }
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+ // Invite Request消息实现,此消息一般为级联消息,上级给下级发送请求视频指令
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+ try {
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+ Request request = evt.getRequest();
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+ SipURI sipURI = (SipURI) request.getRequestURI();
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+ String channelId = sipURI.getUser();
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+ String platformId = null;
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+// SubjectHeader subjectHeader = (SubjectHeader)request.getHeader(SubjectHeader.NAME);
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+// // 查询通道是否存在 不存在回复404
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+// if (subjectHeader != null) { // 存在则从subjectHeader 获取平台信息
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+// String subject = subjectHeader.getSubject();
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+// if (subject != null) {
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+// String[] info1 = subject.split(",");
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+// if (info1 != null && info1 .length == 2) {
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+// String[] info2 = info1[1].split(":");
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+// if (info2 != null && info2.length == 2) {
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+// platformId = info2[0];
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+// }
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+// }
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+// }
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+// }
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+
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+ FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
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+ AddressImpl address = (AddressImpl) fromHeader.getAddress();
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+ SipUri uri = (SipUri) address.getURI();
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+ platformId = uri.getUser();
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+
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+// if (platformId == null) { // 不存在则从fromHeader 获取平台信息
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+// FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
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+// platformId = fromHeader.getName();
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+// }
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+ if (platformId == null || channelId == null) {
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+ response400Ack(evt); // 参数不全, 发400,请求错误
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+ return;
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+ }
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+ // 查询平台下是否有该通道
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+ DeviceChannel channel = storager.queryChannelInParentPlatform(platformId, channelId);
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+ if (channel == null) {
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+ response404Ack(evt); // 通道不存在,发404,资源不存在
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+ return;
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+ }else {
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+ response100Ack(evt); // 通道存在,发100,trying
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+ }
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+ // 解析sdp消息
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+ byte[] sdpByteArray = request.getRawContent();
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+ SdpParser sdpParser = new SdpParser(); // TODO keng
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+ SessionDescription sdp = sdpParser.parse(sdpByteArray);
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+ // 获取支持的格式
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+ List<MediaDescription> mediaDescriptions = sdp.getMediaDescriptions();
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+ // 查看是否支持PS 负载96
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+ String ip = null;
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+ int port = -1;
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+ for (MediaDescription mediaDescription : mediaDescriptions) {
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+
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+ List<Codec> codecs = mediaDescription.getCodecs();
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+ for (Codec codec : codecs) {
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+ if("96".equals(codec.getPayloadType()) || "PS".equals(codec.getName()) || "ps".equals(codec.getName())) {
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+ ip = mediaDescription.getIpAddress().getHostName();
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+ port = mediaDescription.getPort();
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+ break;
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+ }
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+ }
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+ }
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+ if (ip == null || port == -1) { // TODO 没有合适的视频流格式, 可配置是否使用第一个media信息
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+ if (mediaDescriptions.size() > 0) {
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+ ip = mediaDescriptions.get(0).getIpAddress().getHostName();
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+ port = mediaDescriptions.get(0).getPort();
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+ }
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+ }
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+
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+ if (ip == null || port == -1) {
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+ response488Ack(evt);
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+ return;
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+ }
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+
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+
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+ String ssrc = sdp.getSsrc();
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+ // 通知下级推流,
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+ // 查找合适的端口推流,
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+ // 发送 200ok
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+ // 收到ack后调用推流接口
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+
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+
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+
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+
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+ } catch (SipException | InvalidArgumentException | ParseException e) {
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+ e.printStackTrace();
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+ } catch (IOException e) {
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+ logger.warn("sdp解析错误");
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+ e.printStackTrace();
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+ }
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+
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+ }
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+
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+ /***
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+ * 回复100 trying
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+ * @param evt
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+ * @throws SipException
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+ * @throws InvalidArgumentException
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+ * @throws ParseException
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+ */
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+ private void response100Ack(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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+ Response response = getMessageFactory().createResponse(Response.TRYING, evt.getRequest());
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+ getServerTransaction(evt).sendResponse(response);
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+ }
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+
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+ /***
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+ * 回复404
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+ * @param evt
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+ * @throws SipException
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+ * @throws InvalidArgumentException
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+ * @throws ParseException
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+ */
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+ private void response404Ack(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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+ Response response = getMessageFactory().createResponse(Response.NOT_FOUND, evt.getRequest());
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+ getServerTransaction(evt).sendResponse(response);
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+ }
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+
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+ /***
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+ * 回复400
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+ * @param evt
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+ * @throws SipException
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+ * @throws InvalidArgumentException
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+ * @throws ParseException
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+ */
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+ private void response400Ack(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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+ Response response = getMessageFactory().createResponse(Response.BAD_REQUEST, evt.getRequest());
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+ getServerTransaction(evt).sendResponse(response);
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}
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}
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+ /***
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+ * 回复488
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+ * @param evt
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+ * @throws SipException
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+ * @throws InvalidArgumentException
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+ * @throws ParseException
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+ */
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+ private void response488Ack(RequestEvent evt) throws SipException, InvalidArgumentException, ParseException {
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+ Response response = getMessageFactory().createResponse(Response.NOT_ACCEPTABLE_HERE, evt.getRequest());
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+ getServerTransaction(evt).sendResponse(response);
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+ }
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+
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+ /***
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+ * 回复200 OK
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+ * @param evt
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+ * @throws SipException
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+ * @throws InvalidArgumentException
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+ * @throws ParseException
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+ */
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+ private void responseAck(RequestEvent evt, String sdp) throws SipException, InvalidArgumentException, ParseException {
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+ Response response = getMessageFactory().createResponse(Response.OK, evt.getRequest());
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+ ContentTypeHeader contentTypeHeader = getHeaderFactory().createContentTypeHeader("APPLICATION", "SDP");
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+ response.setContent(sdp, contentTypeHeader);
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+ getServerTransaction(evt).sendResponse(response);
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+ }
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+ public SIPCommanderFroPlatform getCmderFroPlatform() {
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+ return cmderFroPlatform;
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+ }
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+
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+ public void setCmderFroPlatform(SIPCommanderFroPlatform cmderFroPlatform) {
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+ this.cmderFroPlatform = cmderFroPlatform;
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+ }
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+
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+ public IVideoManagerStorager getStorager() {
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+ return storager;
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+ }
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+
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+ public void setStorager(IVideoManagerStorager storager) {
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+ this.storager = storager;
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+ }
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}
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}
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