调整上级观看消息的发送

648540858

2024-05-29 764d04b497356ba6bcbb75fd42b51eca750f7223

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java

old mode 100644
new mode 100755
@@ -1,10 +1,12 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.response.impl;

import com.genersoft.iot.vmp.gb28181.SipLayer;
import com.genersoft.iot.vmp.gb28181.bean.Gb28181Sdp;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.SIPSender;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.SIPRequestHeaderProvider;
import com.genersoft.iot.vmp.gb28181.transmit.event.response.SIPResponseProcessorAbstract;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import gov.nist.javax.sip.ResponseEventExt;
import gov.nist.javax.sip.message.SIPResponse;
import org.slf4j.Logger;
@@ -12,9 +14,11 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.sdp.SdpFactory;
import javax.sdp.SdpParseException;
import javax.sdp.SessionDescription;
import javax.sip.InvalidArgumentException;
import javax.sip.ResponseEvent;
import javax.sip.SipException;
import javax.sip.InvalidArgumentException;
import javax.sip.ResponseEvent;
import javax.sip.SipException;
@@ -79,18 +83,8 @@
            ResponseEventExt event = (ResponseEventExt)evt;

            String contentString = new String(response.getRawContent());
            // jainSip不支持y=字段， 移除以解析。
            int ssrcIndex = contentString.indexOf("y=");
            // 检查是否有y字段
            SessionDescription sdp;
            if (ssrcIndex >= 0) {
               //ssrc规定长度为10字节，不取余下长度以避免后续还有“f=”字段
               String substring = contentString.substring(0, contentString.indexOf("y="));
               sdp = SdpFactory.getInstance().createSessionDescription(substring);
            } else {
               sdp = SdpFactory.getInstance().createSessionDescription(contentString);
            }

            Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
            SessionDescription sdp = gb28181Sdp.getBaseSdb();
            SipURI requestUri = SipFactory.getInstance().createAddressFactory().createSipURI(sdp.getOrigin().getUsername(), event.getRemoteIpAddress() + ":" + event.getRemotePort());
            Request reqAck = headerProvider.createAckRequest(response.getLocalAddress().getHostAddress(), requestUri, response);