SIPSender.java
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package com.genersoft.iot.vmp.gb28181.transmit;
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.utils.GitUtil;
import gov.nist.javax.sip.SipProviderImpl;
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.stereotype.Component;
import javax.sip.SipException;
import javax.sip.SipFactory;
import javax.sip.header.CallIdHeader;
import javax.sip.header.UserAgentHeader;
import javax.sip.header.ViaHeader;
import javax.sip.message.Message;
import javax.sip.message.Request;
import javax.sip.message.Response;
import java.text.ParseException;
@Component
public class SIPSender {
private final Logger logger = LoggerFactory.getLogger(SIPSender.class);
@Autowired
@Qualifier(value = "tcpSipProvider")
private SipProviderImpl tcpSipProvider;
@Autowired
@Qualifier(value = "udpSipProvider")
private SipProviderImpl udpSipProvider;
@Autowired
private SipFactory sipFactory;
@Autowired
private GitUtil gitUtil;
@Autowired
private SipSubscribe sipSubscribe;
public void transmitRequest(Message message) throws SipException, ParseException {
transmitRequest(message, null, null);
}
public void transmitRequest(Message message, SipSubscribe.Event errorEvent) throws SipException, ParseException {
transmitRequest(message, errorEvent, null);
}
public void transmitRequest(Message message, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) throws SipException, ParseException {
ViaHeader viaHeader = (ViaHeader)message.getHeader(ViaHeader.NAME);
String transport = "UDP";
if (viaHeader == null) {
logger.warn("[消息头缺失]： ViaHeader");
}else {
transport = viaHeader.getTransport();
}
if (message.getHeader(UserAgentHeader.NAME) == null) {
try {
message.addHeader(SipUtils.createUserAgentHeader(sipFactory, gitUtil));
} catch (ParseException e) {
logger.error("添加UserAgentHeader失败", e);
}
}
CallIdHeader callIdHeader = (CallIdHeader) message.getHeader(CallIdHeader.NAME);
// 添加错误订阅
if (errorEvent != null) {
sipSubscribe.addErrorSubscribe(callIdHeader.getCallId(), (eventResult -> {
errorEvent.response(eventResult);
sipSubscribe.removeErrorSubscribe(eventResult.callId);
sipSubscribe.removeOkSubscribe(eventResult.callId);
}));
}
// 添加订阅
if (okEvent != null) {
sipSubscribe.addOkSubscribe(callIdHeader.getCallId(), eventResult -> {
okEvent.response(eventResult);
sipSubscribe.removeOkSubscribe(eventResult.callId);
sipSubscribe.removeErrorSubscribe(eventResult.callId);
});
}
if ("TCP".equals(transport)) {
if (message instanceof Request) {
tcpSipProvider.sendRequest((Request)message);
}else if (message instanceof Response) {
tcpSipProvider.sendResponse((Response)message);
}
} else if ("UDP".equals(transport)) {
if (message instanceof Request) {
udpSipProvider.sendRequest((Request)message);
}else if (message instanceof Response) {
udpSipProvider.sendResponse((Response)message);
}
}
}
public CallIdHeader getNewCallIdHeader(String transport){
return transport.equalsIgnoreCase("TCP") ? tcpSipProvider.getNewCallId()
: udpSipProvider.getNewCallId();
}
}