package com.genersoft.iot.vmp.gb28181.transmit;
|
|
import com.genersoft.iot.vmp.gb28181.SipLayer;
|
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.stereotype.Component;
|
import org.springframework.util.ObjectUtils;
|
|
import javax.sip.SipException;
|
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;
|
|
/**
|
* 发送SIP消息
|
* @author lin
|
*/
|
@Component
|
public class SIPSender {
|
|
private final Logger logger = LoggerFactory.getLogger(SIPSender.class);
|
|
@Autowired
|
private SipLayer sipLayer;
|
|
@Autowired
|
private GitUtil gitUtil;
|
|
@Autowired
|
private SipSubscribe sipSubscribe;
|
|
public void transmitRequest(String ip, Message message) throws SipException, ParseException {
|
transmitRequest(ip, message, null, null);
|
}
|
|
public void transmitRequest(String ip, Message message, SipSubscribe.Event errorEvent) throws SipException, ParseException {
|
transmitRequest(ip, message, errorEvent, null);
|
}
|
|
public void transmitRequest(String ip, Message message, SipSubscribe.Event errorEvent, SipSubscribe.Event okEvent) throws SipException, ParseException {
|
try {
|
ViaHeader viaHeader = (ViaHeader)message.getHeader(ViaHeader.NAME);
|
String transport = "UDP";
|
if (viaHeader == null) {
|
logger.warn("[消息头缺失]： ViaHeader， 使用默认的UDP方式处理数据");
|
}else {
|
transport = viaHeader.getTransport();
|
}
|
if (message.getHeader(UserAgentHeader.NAME) == null) {
|
try {
|
message.addHeader(SipUtils.createUserAgentHeader(sipLayer.getSipFactory(), 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)) {
|
SipProviderImpl tcpSipProvider = sipLayer.getTcpSipProvider(ip);
|
if (tcpSipProvider == null) {
|
logger.error("[发送信息失败] 未找到tcp://{}的监听信息", ip);
|
return;
|
}
|
if (message instanceof Request) {
|
tcpSipProvider.sendRequest((Request)message);
|
}else if (message instanceof Response) {
|
tcpSipProvider.sendResponse((Response)message);
|
}
|
|
} else if ("UDP".equals(transport)) {
|
SipProviderImpl sipProvider = sipLayer.getUdpSipProvider(ip);
|
if (sipProvider == null) {
|
logger.error("[发送信息失败] 未找到udp://{}的监听信息", ip);
|
return;
|
}
|
if (message instanceof Request) {
|
sipProvider.sendRequest((Request)message);
|
}else if (message instanceof Response) {
|
sipProvider.sendResponse((Response)message);
|
}
|
}
|
} finally {
|
// logger.info("[SEND]:SUCCESS:{}", message);
|
}
|
}
|
|
public CallIdHeader getNewCallIdHeader(String ip, String transport){
|
if (ObjectUtils.isEmpty(transport)) {
|
return sipLayer.getUdpSipProvider().getNewCallId();
|
}
|
SipProviderImpl sipProvider;
|
if (ObjectUtils.isEmpty(ip)) {
|
sipProvider = transport.equalsIgnoreCase("TCP") ? sipLayer.getTcpSipProvider()
|
: sipLayer.getUdpSipProvider();
|
}else {
|
sipProvider = transport.equalsIgnoreCase("TCP") ? sipLayer.getTcpSipProvider(ip)
|
: sipLayer.getUdpSipProvider(ip);
|
}
|
|
if (sipProvider == null) {
|
sipProvider = sipLayer.getUdpSipProvider();
|
}
|
|
if (sipProvider != null) {
|
return sipProvider.getNewCallId();
|
}else {
|
logger.warn("[新建CallIdHeader失败]， ip={}, transport={}", ip, transport);
|
return null;
|
}
|
}
|
}
|
