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@ -7,8 +7,11 @@ import javax.sip.Dialog; |
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import javax.sip.InvalidArgumentException; |
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import javax.sip.ResponseEvent; |
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import javax.sip.SipException; |
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import javax.sip.address.Address; |
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import javax.sip.address.SipURI; |
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import javax.sip.header.CSeqHeader; |
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import javax.sip.header.ContactHeader; |
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import javax.sip.header.FromHeader; |
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import javax.sip.header.ViaHeader; |
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import javax.sip.message.Request; |
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import javax.sip.message.Response; |
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@ -22,57 +25,78 @@ import com.genersoft.iot.vmp.gb28181.SipLayer; |
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import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory; |
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import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor; |
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/** |
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// import java.util.regex.Pattern;
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// import java.util.regex.Matcher;
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/** |
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* @Description:处理INVITE响应 |
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* @author: songww |
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* @date: 2020年5月3日 下午4:43:52 |
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* @date: 2020年5月3日 下午4:43:52 |
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*/ |
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@Component |
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public class InviteResponseProcessor implements ISIPResponseProcessor { |
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private final static Logger logger = LoggerFactory.getLogger(SIPProcessorFactory.class); |
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/** |
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* 处理invite响应 |
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* |
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* @param evt |
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* 响应消息 |
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*/ |
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* @param evt 响应消息 |
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* @throws ParseException |
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*/ |
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@Override |
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public void process(ResponseEvent evt, SipLayer layer, SipConfig config) { |
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public void process(ResponseEvent evt, SipLayer layer, SipConfig config) throws ParseException { |
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try { |
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Response response = evt.getResponse(); |
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int statusCode = response.getStatusCode(); |
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//trying不会回复
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if(statusCode == Response.TRYING){ |
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// trying不会回复
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if (statusCode == Response.TRYING) { |
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} |
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//成功响应
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//下发ack
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if(statusCode == Response.OK){ |
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// ClientTransaction clientTransaction = evt.getClientTransaction();
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// if(clientTransaction == null){
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// logger.error("回复ACK时，clientTransaction为null >>> {}",response);
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// return;
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// }
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// Dialog clientDialog = clientTransaction.getDialog();
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//
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// CSeqHeader clientCSeqHeader = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
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// long cseqId = clientCSeqHeader.getSeqNumber();
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// /*
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// createAck函数，创建的ackRequest，会采用Invite响应的200OK，中的contact字段中的地址，作为目标地址。
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// 有的终端传上来的可能还是内网地址，会造成ack发送不出去。接受不到音视频流
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// 所以在此处统一替换地址。和响应消息的Via头中的地址保持一致。
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// */
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// Request ackRequest = clientDialog.createAck(cseqId);
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// SipURI requestURI = (SipURI) ackRequest.getRequestURI();
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// ViaHeader viaHeader = (ViaHeader) response.getHeader(ViaHeader.NAME);
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// requestURI.setHost(viaHeader.getHost());
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// requestURI.setPort(viaHeader.getPort());
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// clientDialog.sendAck(ackRequest);
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// 成功响应
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// 下发ack
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if (statusCode == Response.OK) { |
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// ClientTransaction clientTransaction = evt.getClientTransaction();
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// if(clientTransaction == null){
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// logger.error("回复ACK时，clientTransaction为null >>> {}",response);
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// return;
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// }
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// Dialog clientDialog = clientTransaction.getDialog();
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// CSeqHeader clientCSeqHeader = (CSeqHeader)
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// response.getHeader(CSeqHeader.NAME);
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// long cseqId = clientCSeqHeader.getSeqNumber();
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// /*
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// createAck函数，创建的ackRequest，会采用Invite响应的200OK，中的contact字段中的地址，作为目标地址。
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// 有的终端传上来的可能还是内网地址，会造成ack发送不出去。接受不到音视频流
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// 所以在此处统一替换地址。和响应消息的Via头中的地址保持一致。
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// */
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// Request ackRequest = clientDialog.createAck(cseqId);
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// SipURI requestURI = (SipURI) ackRequest.getRequestURI();
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// ViaHeader viaHeader = (ViaHeader) response.getHeader(ViaHeader.NAME);
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// try {
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// requestURI.setHost(viaHeader.getHost());
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// requestURI.setPort(viaHeader.getPort());
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// clientDialog.sendAck(ackRequest);
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Dialog dialog = evt.getDialog(); |
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Request reqAck =dialog.createAck(1L); |
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CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); |
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Request reqAck = dialog.createAck(cseq.getSeqNumber()); |
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SipURI requestURI = (SipURI) reqAck.getRequestURI(); |
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ViaHeader viaHeader = (ViaHeader) response.getHeader(ViaHeader.NAME); |
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// String viaHost =viaHeader.getHost();
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//getHost()函数取回的IP地址是“[xxx.xxx.xxx.xxx:yyyy]”的格式，需用正则表达式截取为“xxx.xxx.xxx.xxx"格式
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// Pattern p = Pattern.compile("(?<=//|)((\\w)+\\.)+\\w+");
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// Matcher matcher = p.matcher(viaHeader.getHost());
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// if (matcher.find()) {
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// requestURI.setHost(matcher.group());
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// }
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requestURI.setHost(viaHeader.getHost()); |
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requestURI.setPort(viaHeader.getPort()); |
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reqAck.setRequestURI(requestURI); |
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dialog.sendAck(reqAck); |
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} |
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} catch (InvalidArgumentException | SipException e) { |
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swwhaha
5 years ago