package com.genersoft.iot.vmp.gb28181.transmit.response.impl;
|
|
import java.text.ParseException;
|
|
import javax.sip.Dialog;
|
import javax.sip.InvalidArgumentException;
|
import javax.sip.ResponseEvent;
|
import javax.sip.SipException;
|
import javax.sip.address.SipURI;
|
import javax.sip.header.CSeqHeader;
|
import javax.sip.header.ViaHeader;
|
import javax.sip.message.Request;
|
import javax.sip.message.Response;
|
|
import gov.nist.javax.sip.header.CSeq;
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
import org.springframework.stereotype.Component;
|
|
import com.genersoft.iot.vmp.conf.SipConfig;
|
import com.genersoft.iot.vmp.gb28181.SipLayer;
|
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory;
|
import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;
|
|
|
/**
|
* @Description:处理INVITE响应
|
* @author: swwheihei
|
* @date: 2020年5月3日 下午4:43:52
|
*/
|
@Component
|
public class InviteResponseProcessor implements ISIPResponseProcessor {
|
|
private final static Logger logger = LoggerFactory.getLogger(SIPProcessorFactory.class);
|
|
/**
|
* 处理invite响应
|
*
|
* @param evt 响应消息
|
* @throws ParseException
|
*/
|
@Override
|
public void process(ResponseEvent evt, SipLayer layer, SipConfig config) throws ParseException {
|
try {
|
Response response = evt.getResponse();
|
int statusCode = response.getStatusCode();
|
// trying不会回复
|
if (statusCode == Response.TRYING) {
|
}
|
// 成功响应
|
// 下发ack
|
if (statusCode == Response.OK) {
|
Dialog dialog = evt.getDialog();
|
CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
|
Request reqAck = dialog.createAck(cseq.getSeqNumber());
|
dialog.sendAck(reqAck);
|
|
}
|
} catch (InvalidArgumentException | SipException e) {
|
e.printStackTrace();
|
}
|
}
|
|
}
|
