package com.genersoft.iot.vmp.gb28181.transmit.request.impl;
|
|
import javax.sdp.*;
|
import javax.sip.InvalidArgumentException;
|
import javax.sip.RequestEvent;
|
import javax.sip.SipException;
|
import javax.sip.SipFactory;
|
import javax.sip.address.Address;
|
import javax.sip.address.SipURI;
|
import javax.sip.header.*;
|
import javax.sip.message.Request;
|
import javax.sip.message.Response;
|
|
import com.genersoft.iot.vmp.conf.MediaServerConfig;
|
import com.genersoft.iot.vmp.gb28181.bean.*;
|
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
|
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform;
|
import com.genersoft.iot.vmp.gb28181.transmit.request.SIPRequestAbstractProcessor;
|
import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
|
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
|
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
|
import com.genersoft.iot.vmp.vmanager.play.bean.PlayResult;
|
import com.genersoft.iot.vmp.service.IPlayService;
|
import gov.nist.javax.sip.address.AddressImpl;
|
import gov.nist.javax.sip.address.SipUri;
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
|
import java.text.ParseException;
|
import java.util.Vector;
|
|
/**
|
* @Description:处理INVITE请求
|
* @author: panll
|
* @date: 2021年1月14日
|
*/
|
@SuppressWarnings("rawtypes")
|
public class InviteRequestProcessor extends SIPRequestAbstractProcessor {
|
|
private final static Logger logger = LoggerFactory.getLogger(MessageRequestProcessor.class);
|
|
private SIPCommanderFroPlatform cmderFroPlatform;
|
|
private IVideoManagerStorager storager;
|
|
private IRedisCatchStorage redisCatchStorage;
|
|
private SIPCommander cmder;
|
|
private IPlayService playService;
|
|
private ZLMRTPServerFactory zlmrtpServerFactory;
|
|
public ZLMRTPServerFactory getZlmrtpServerFactory() {
|
return zlmrtpServerFactory;
|
}
|
|
public void setZlmrtpServerFactory(ZLMRTPServerFactory zlmrtpServerFactory) {
|
this.zlmrtpServerFactory = zlmrtpServerFactory;
|
}
|
|
/**
|
* 处理invite请求
|
*
|
* @param evt
|
* 请求消息
|
*/
|
@Override
|
public void process(RequestEvent evt) {
|
// Invite Request消息实现，此消息一般为级联消息，上级给下级发送请求视频指令
|
try {
|
Request request = evt.getRequest();
|
SipURI sipURI = (SipURI) request.getRequestURI();
|
String channelId = sipURI.getUser();
|
String requesterId = null;
|
|
FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
|
AddressImpl address = (AddressImpl) fromHeader.getAddress();
|
SipUri uri = (SipUri) address.getURI();
|
requesterId = uri.getUser();
|
|
if (requesterId == null || channelId == null) {
|
logger.info("无法从FromHeader的Address中获取到平台id，返回400");
|
responseAck(evt, Response.BAD_REQUEST); // 参数不全， 发400，请求错误
|
return;
|
}
|
|
// 查询请求方是否上级平台
|
ParentPlatform platform = storager.queryParentPlatById(requesterId);
|
if (platform != null) {
|
// 查询平台下是否有该通道
|
DeviceChannel channel = storager.queryChannelInParentPlatform(requesterId, channelId);
|
GbStream gbStream = storager.queryStreamInParentPlatform(requesterId, channelId);
|
// 不是通道可能是直播流
|
if (channel != null || gbStream != null ) {
|
responseAck(evt, Response.CALL_IS_BEING_FORWARDED); // 通道存在，发181，呼叫转接中
|
}else {
|
logger.info("通道不存在，返回404");
|
responseAck(evt, Response.NOT_FOUND); // 通道不存在，发404，资源不存在
|
return;
|
}
|
// 解析sdp消息, 使用jainsip 自带的sdp解析方式
|
String contentString = new String(request.getRawContent());
|
|
// jainSip不支持y=字段， 移除移除以解析。
|
int ssrcIndex = contentString.indexOf("y=");
|
//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 ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
|
String substring = contentString.substring(0, contentString.indexOf("y="));
|
SessionDescription sdp = SdpFactory.getInstance().createSessionDescription(substring);
|
|
// 获取支持的格式
|
Vector mediaDescriptions = sdp.getMediaDescriptions(true);
|
// 查看是否支持PS 负载96
|
//String ip = null;
|
int port = -1;
|
//boolean recvonly = false;
|
boolean mediaTransmissionTCP = false;
|
Boolean tcpActive = null;
|
for (int i = 0; i < mediaDescriptions.size(); i++) {
|
MediaDescription mediaDescription = (MediaDescription)mediaDescriptions.get(i);
|
Media media = mediaDescription.getMedia();
|
|
Vector mediaFormats = media.getMediaFormats(false);
|
if (mediaFormats.contains("96")) {
|
port = media.getMediaPort();
|
//String mediaType = media.getMediaType();
|
String protocol = media.getProtocol();
|
|
// 区分TCP发流还是udp， 当前默认udp
|
if ("TCP/RTP/AVP".equals(protocol)) {
|
String setup = mediaDescription.getAttribute("setup");
|
if (setup != null) {
|
mediaTransmissionTCP = true;
|
if ("active".equals(setup)) {
|
tcpActive = true;
|
}else if ("passive".equals(setup)) {
|
tcpActive = false;
|
}
|
}
|
}
|
break;
|
}
|
}
|
if (port == -1) {
|
logger.info("不支持的媒体格式，返回415");
|
// 回复不支持的格式
|
responseAck(evt, Response.UNSUPPORTED_MEDIA_TYPE); // 不支持的格式，发415
|
return;
|
}
|
String username = sdp.getOrigin().getUsername();
|
String addressStr = sdp.getOrigin().getAddress();
|
//String sessionName = sdp.getSessionName().getValue();
|
logger.info("[上级点播]用户：{}， 地址：{}:{}， ssrc：{}", username, addressStr, port, ssrc);
|
Device device = null;
|
// 通过 channel 和 gbStream 是否为null 值判断来源是直播流合适国标
|
if (channel != null) {
|
device = storager.queryVideoDeviceByPlatformIdAndChannelId(requesterId, channelId);
|
if (device == null) {
|
logger.warn("点播平台{}的通道{}时未找到设备信息", requesterId, channel);
|
responseAck(evt, Response.SERVER_INTERNAL_ERROR);
|
return;
|
}
|
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(addressStr, port, ssrc, requesterId,
|
device.getDeviceId(), channelId,
|
mediaTransmissionTCP);
|
if (tcpActive != null) {
|
sendRtpItem.setTcpActive(tcpActive);
|
}
|
if (sendRtpItem == null) {
|
logger.warn("服务器端口资源不足");
|
responseAck(evt, Response.BUSY_HERE);
|
return;
|
}
|
|
// 写入redis， 超时时回复
|
redisCatchStorage.updateSendRTPSever(sendRtpItem);
|
// 通知下级推流，
|
PlayResult playResult = playService.play(device.getDeviceId(), channelId, (responseJSON)->{
|
// 收到推流， 回复200OK, 等待ack
|
if (sendRtpItem == null) return;
|
sendRtpItem.setStatus(1);
|
redisCatchStorage.updateSendRTPSever(sendRtpItem);
|
// TODO 添加对tcp的支持
|
MediaServerConfig mediaInfo = redisCatchStorage.getMediaInfo();
|
StringBuffer content = new StringBuffer(200);
|
content.append("v=0\r\n");
|
content.append("o="+"00000"+" 0 0 IN IP4 "+mediaInfo.getWanIp()+"\r\n");
|
content.append("s=Play\r\n");
|
content.append("c=IN IP4 "+mediaInfo.getWanIp()+"\r\n");
|
content.append("t=0 0\r\n");
|
content.append("m=video "+ sendRtpItem.getLocalPort()+" RTP/AVP 96\r\n");
|
content.append("a=sendonly\r\n");
|
content.append("a=rtpmap:96 PS/90000\r\n");
|
content.append("y="+ ssrc + "\r\n");
|
content.append("f=\r\n");
|
|
try {
|
responseAck(evt, content.toString());
|
} catch (SipException e) {
|
e.printStackTrace();
|
} catch (InvalidArgumentException e) {
|
e.printStackTrace();
|
} catch (ParseException e) {
|
e.printStackTrace();
|
}
|
} ,(event -> {
|
// 未知错误。直接转发设备点播的错误
|
Response response = null;
|
try {
|
response = getMessageFactory().createResponse(event.getResponse().getStatusCode(), evt.getRequest());
|
getServerTransaction(evt).sendResponse(response);
|
} catch (ParseException | SipException | InvalidArgumentException e) {
|
e.printStackTrace();
|
}
|
}));
|
if (logger.isDebugEnabled()) {
|
logger.debug(playResult.getResult().toString());
|
}
|
|
}else if (gbStream != null) {
|
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(addressStr, port, ssrc, requesterId,
|
gbStream.getApp(), gbStream.getStream(), channelId,
|
mediaTransmissionTCP);
|
|
if (tcpActive != null) {
|
sendRtpItem.setTcpActive(tcpActive);
|
}
|
if (sendRtpItem == null) {
|
logger.warn("服务器端口资源不足");
|
responseAck(evt, Response.BUSY_HERE);
|
return;
|
}
|
|
// 写入redis， 超时时回复
|
redisCatchStorage.updateSendRTPSever(sendRtpItem);
|
|
// 检测直播流是否在线
|
Boolean streamReady = zlmrtpServerFactory.isStreamReady(gbStream.getApp(), gbStream.getStream());
|
if (streamReady) {
|
sendRtpItem.setStatus(1);
|
redisCatchStorage.updateSendRTPSever(sendRtpItem);
|
// TODO 添加对tcp的支持
|
MediaServerConfig mediaInfo = redisCatchStorage.getMediaInfo();
|
StringBuffer content = new StringBuffer(200);
|
content.append("v=0\r\n");
|
content.append("o="+"00000"+" 0 0 IN IP4 "+mediaInfo.getWanIp()+"\r\n");
|
content.append("s=Play\r\n");
|
content.append("c=IN IP4 "+mediaInfo.getWanIp()+"\r\n");
|
content.append("t=0 0\r\n");
|
content.append("m=video "+ sendRtpItem.getLocalPort()+" RTP/AVP 96\r\n");
|
content.append("a=sendonly\r\n");
|
content.append("a=rtpmap:96 PS/90000\r\n");
|
content.append("y="+ ssrc + "\r\n");
|
content.append("f=\r\n");
|
|
try {
|
responseAck(evt, content.toString());
|
} catch (SipException e) {
|
e.printStackTrace();
|
} catch (InvalidArgumentException e) {
|
e.printStackTrace();
|
} catch (ParseException e) {
|
e.printStackTrace();
|
}
|
}
|
}
|
|
} else {
|
// 非上级平台请求，查询是否设备请求（通常为接收语音广播的设备）
|
Device device = storager.queryVideoDevice(requesterId);
|
if (device != null) {
|
logger.info("收到设备" + requesterId + "的语音广播Invite请求");
|
responseAck(evt, Response.TRYING);
|
|
String contentString = new String(request.getRawContent());
|
// jainSip不支持y=字段， 移除移除以解析。
|
String substring = contentString;
|
String ssrc = "0000000404";
|
int ssrcIndex = contentString.indexOf("y=");
|
if (ssrcIndex > 0) {
|
substring = contentString.substring(0, ssrcIndex);
|
ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
|
}
|
ssrcIndex = substring.indexOf("f=");
|
if (ssrcIndex > 0) {
|
substring = contentString.substring(0, ssrcIndex);
|
}
|
SessionDescription sdp = SdpFactory.getInstance().createSessionDescription(substring);
|
|
// 获取支持的格式
|
Vector mediaDescriptions = sdp.getMediaDescriptions(true);
|
// 查看是否支持PS 负载96
|
int port = -1;
|
//boolean recvonly = false;
|
boolean mediaTransmissionTCP = false;
|
Boolean tcpActive = null;
|
for (int i = 0; i < mediaDescriptions.size(); i++) {
|
MediaDescription mediaDescription = (MediaDescription)mediaDescriptions.get(i);
|
Media media = mediaDescription.getMedia();
|
|
Vector mediaFormats = media.getMediaFormats(false);
|
if (mediaFormats.contains("8")) {
|
port = media.getMediaPort();
|
String protocol = media.getProtocol();
|
// 区分TCP发流还是udp， 当前默认udp
|
if ("TCP/RTP/AVP".equals(protocol)) {
|
String setup = mediaDescription.getAttribute("setup");
|
if (setup != null) {
|
mediaTransmissionTCP = true;
|
if ("active".equals(setup)) {
|
tcpActive = true;
|
} else if ("passive".equals(setup)) {
|
tcpActive = false;
|
}
|
}
|
}
|
break;
|
}
|
}
|
if (port == -1) {
|
logger.info("不支持的媒体格式，返回415");
|
// 回复不支持的格式
|
responseAck(evt, Response.UNSUPPORTED_MEDIA_TYPE); // 不支持的格式，发415
|
return;
|
}
|
String username = sdp.getOrigin().getUsername();
|
String addressStr = sdp.getOrigin().getAddress();
|
logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}", username, addressStr, port, ssrc);
|
|
|
|
|
|
|
} else {
|
logger.warn("来自无效设备/平台的请求");
|
responseAck(evt, Response.BAD_REQUEST);
|
}
|
}
|
|
} catch (SipException | InvalidArgumentException | ParseException e) {
|
e.printStackTrace();
|
logger.warn("sdp解析错误");
|
e.printStackTrace();
|
} catch (SdpParseException e) {
|
e.printStackTrace();
|
} catch (SdpException e) {
|
e.printStackTrace();
|
}
|
}
|
|
|
/***
|
* 回复状态码
|
* 100 trying
|
* 200 OK
|
* 400
|
* 404
|
* @param evt
|
* @throws SipException
|
* @throws InvalidArgumentException
|
* @throws ParseException
|
*/
|
private void responseAck(RequestEvent evt, int statusCode) throws SipException, InvalidArgumentException, ParseException {
|
Response response = getMessageFactory().createResponse(statusCode, evt.getRequest());
|
getServerTransaction(evt).sendResponse(response);
|
}
|
|
/**
|
* 回复带sdp的200
|
* @param evt
|
* @param sdp
|
* @throws SipException
|
* @throws InvalidArgumentException
|
* @throws ParseException
|
*/
|
private void responseAck(RequestEvent evt, String sdp) throws SipException, InvalidArgumentException, ParseException {
|
Response response = getMessageFactory().createResponse(Response.OK, evt.getRequest());
|
SipFactory sipFactory = SipFactory.getInstance();
|
ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("APPLICATION", "SDP");
|
response.setContent(sdp, contentTypeHeader);
|
|
SipURI sipURI = (SipURI)evt.getRequest().getRequestURI();
|
|
Address concatAddress = sipFactory.createAddressFactory().createAddress(
|
sipFactory.createAddressFactory().createSipURI(sipURI.getUser(), sipURI.getHost()+":"+sipURI.getPort()
|
));
|
response.addHeader(sipFactory.createHeaderFactory().createContactHeader(concatAddress));
|
getServerTransaction(evt).sendResponse(response);
|
}
|
|
|
|
|
|
|
public SIPCommanderFroPlatform getCmderFroPlatform() {
|
return cmderFroPlatform;
|
}
|
|
public void setCmderFroPlatform(SIPCommanderFroPlatform cmderFroPlatform) {
|
this.cmderFroPlatform = cmderFroPlatform;
|
}
|
|
public IVideoManagerStorager getStorager() {
|
return storager;
|
}
|
|
public void setStorager(IVideoManagerStorager storager) {
|
this.storager = storager;
|
}
|
|
public SIPCommander getCmder() {
|
return cmder;
|
}
|
|
public void setCmder(SIPCommander cmder) {
|
this.cmder = cmder;
|
}
|
|
public IPlayService getPlayService() {
|
return playService;
|
}
|
|
public void setPlayService(IPlayService playService) {
|
this.playService = playService;
|
}
|
|
public IRedisCatchStorage getRedisCatchStorage() {
|
return redisCatchStorage;
|
}
|
|
public void setRedisCatchStorage(IRedisCatchStorage redisCatchStorage) {
|
this.redisCatchStorage = redisCatchStorage;
|
}
|
}
|
