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优化端口预占用，防止占用无法释放

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This commit is contained in:
648540858
2023-06-28 14:50:46 +08:00
parent ed035b74d9
commit a77628e875
5 changed files with 230 additions and 43 deletions
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46
src/main/java/com/genersoft/iot/vmp/gb28181/bean/Gb28181Sdp.java Normal file
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@@ -0,0 +1,46 @@
package com.genersoft.iot.vmp.gb28181.bean;
import javax.sdp.SessionDescription;
/**
* 28181 的SDP解析器
*/
public class Gb28181Sdp {
private SessionDescription baseSdb;
private String ssrc;
private String mediaDescription;
public static Gb28181Sdp getInstance(SessionDescription baseSdb, String ssrc, String mediaDescription) {
Gb28181Sdp gb28181Sdp = new Gb28181Sdp();
gb28181Sdp.setBaseSdb(baseSdb);
gb28181Sdp.setSsrc(ssrc);
gb28181Sdp.setMediaDescription(mediaDescription);
return gb28181Sdp;
}
public SessionDescription getBaseSdb() {
return baseSdb;
}
public void setBaseSdb(SessionDescription baseSdb) {
this.baseSdb = baseSdb;
}
public String getSsrc() {
return ssrc;
}
public void setSsrc(String ssrc) {
this.ssrc = ssrc;
}
public String getMediaDescription() {
return mediaDescription;
}
public void setMediaDescription(String mediaDescription) {
this.mediaDescription = mediaDescription;
}
}

76
src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
View File

@@ -241,21 +241,8 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
// 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， 移除以解析。
int ssrcIndex = contentString.indexOf("y=");
// 检查是否有y字段
String ssrcDefault = "0000000000";
String ssrc;
SessionDescription sdp;
if (ssrcIndex >= 0) {
//ssrc规定长度为10个字节，不取余下长度以避免后续还有“f=”字段
ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
String substring = contentString.substring(0, contentString.indexOf("y="));
sdp = SdpFactory.getInstance().createSessionDescription(substring);
} else {
ssrc = ssrcDefault;
sdp = SdpFactory.getInstance().createSessionDescription(contentString);
}
Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
SessionDescription sdp = gb28181Sdp.getBaseSdb();
String sessionName = sdp.getSessionName().getValue();
Long startTime = null;
@@ -317,7 +304,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
String username = sdp.getOrigin().getUsername();
String addressStr = sdp.getConnection().getAddress();
logger.info("[上级点播]用户：{}， 通道：{}, 地址：{}:{}， ssrc：{}", username, channelId, 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) {
@@ -341,8 +328,30 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
}
return;
}
String ssrc;
if (gb28181Sdp.getSsrc() == null) {
// 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
logger.warn("[上级Invite] {} 平台：{}， 通道：{}, 缺少 ssrc，补充为： {}", sessionName, username, channelId, ssrc);
}else {
ssrc = gb28181Sdp.getSsrc();
}
String streamTypeStr = null;
if (mediaTransmissionTCP) {
if (tcpActive) {
streamTypeStr = "TCP-ACTIVE";
}else {
streamTypeStr = "TCP-PASSIVE";
}
}else {
streamTypeStr = "UDP";
}
logger.info("[上级Invite] {}, 平台：{}， 通道：{}, 收流地址：{}:{}，收流方式：{}, ssrc：{}", sessionName, username, channelId, addressStr, port, streamTypeStr, ssrc);
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
device.getDeviceId(), channelId, mediaTransmissionTCP, platform.isRtcp());
device.getDeviceId(), channelId, mediaTransmissionTCP, platform.isRtcp(), ssrcFromCallback -> {
return redisCatchStorage.querySendRTPServer(platform.getServerGBId(), channelId, null, callIdHeader.getCallId()) != null;
});
if (tcpActive != null) {
sendRtpItem.setTcpActive(tcpActive);
@@ -469,7 +478,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, null, device.isSsrcCheck(), false, 0, false, device.getStreamModeForParam());
logger.info(JSONObject.toJSONString(ssrcInfo));
sendRtpItem.setStreamId(ssrcInfo.getStream());
sendRtpItem.setSsrc(ssrc.equals(ssrcDefault) ? ssrcInfo.getSsrc() : ssrc);
sendRtpItem.setSsrc(ssrc);
// 写入redis， 超时时回复
redisCatchStorage.updateSendRTPSever(sendRtpItem);
@@ -480,12 +489,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
});
} else {
// 当前系统作为下级平台使用，当上级平台点播时不携带ssrc时，并且设备在当前系统中已经点播了。这个时候需要重新给生成一个ssrc，不使用默认的"0000000000"。
if (ssrc.equals(ssrcDefault)) {
ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId());
ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc);
sendRtpItem.setSsrc(ssrc);
}
sendRtpItem.setSsrc(ssrc);
sendRtpItem.setStreamId(playTransaction.getStream());
// 写入redis， 超时时回复
redisCatchStorage.updateSendRTPSever(sendRtpItem);
@@ -496,11 +500,15 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
}
}
} else if (gbStream != null) {
if(ssrc.equals(ssrcDefault))
{
ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId());
ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc);
String ssrc;
if (gb28181Sdp.getSsrc() == null) {
// 上级平台点播时不使用上级平台指定的ssrc，使用自定义的ssrc，参考国标文档-点播外域设备媒体流SSRC处理方式
ssrc = "Play".equalsIgnoreCase(sessionName) ? ssrcFactory.getPlaySsrc(mediaServerItem.getId()) : ssrcFactory.getPlayBackSsrc(mediaServerItem.getId());
}else {
ssrc = gb28181Sdp.getSsrc();
}
if("push".equals(gbStream.getStreamType())) {
if (streamPushItem != null && streamPushItem.isPushIng()) {
// 推流状态
@@ -545,7 +553,9 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
if (streamReady) {
// 自平台内容
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());
gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp(), ssrcFromCallback ->{
return redisCatchStorage.querySendRTPServer(platform.getServerGBId(), channelId, null, callIdHeader.getCallId()) != null;
});
if (sendRtpItem == null) {
logger.warn("服务器端口资源不足");
@@ -584,7 +594,9 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
if (streamReady) {
// 自平台内容
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp());
gbStream.getApp(), gbStream.getStream(), channelId, mediaTransmissionTCP, platform.isRtcp(), ssrcFromCallback ->{
return redisCatchStorage.querySendRTPServer(platform.getServerGBId(), channelId, null, callIdHeader.getCallId()) != null;
});
if (sendRtpItem == null) {
logger.warn("服务器端口资源不足");
@@ -701,7 +713,9 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
dynamicTask.stop(callIdHeader.getCallId());
if (serverId.equals(userSetting.getServerId())) {
SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, finalPort, ssrc, requesterId,
app, stream, channelId, mediaTransmissionTCP, platform.isRtcp());
app, stream, channelId, mediaTransmissionTCP, platform.isRtcp(), ssrcFromCallback -> {
return redisCatchStorage.querySendRTPServer(platform.getServerGBId(), channelId, null, callIdHeader.getCallId()) != null;
});
if (sendRtpItem == null) {
logger.warn("上级点时创建sendRTPItem失败，可能是服务器端口资源不足");

84
src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
View File

@@ -1,14 +1,22 @@
package com.genersoft.iot.vmp.gb28181.utils;
import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
import com.genersoft.iot.vmp.gb28181.bean.Gb28181Sdp;
import com.genersoft.iot.vmp.gb28181.bean.RemoteAddressInfo;
import com.genersoft.iot.vmp.utils.DateUtil;
import com.genersoft.iot.vmp.utils.GitUtil;
import gov.nist.javax.sip.address.AddressImpl;
import gov.nist.javax.sip.address.SipUri;
import gov.nist.javax.sip.header.Subject;
import gov.nist.javax.sip.message.SIPRequest;
import org.apache.commons.lang3.RandomStringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.ObjectUtils;
import javax.sdp.SdpFactory;
import javax.sdp.SdpParseException;
import javax.sdp.SessionDescription;
import javax.sip.PeerUnavailableException;
import javax.sip.SipFactory;
import javax.sip.header.FromHeader;
@@ -16,6 +24,8 @@ import javax.sip.header.Header;
import javax.sip.header.UserAgentHeader;
import javax.sip.message.Request;
import java.text.ParseException;
import java.time.LocalDateTime;
import java.time.format.DateTimeParseException;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
@@ -28,6 +38,8 @@ import java.util.UUID;
*/
public class SipUtils {
private final static Logger logger = LoggerFactory.getLogger(SipUtils.class);
public static String getUserIdFromFromHeader(Request request) {
FromHeader fromHeader = (FromHeader)request.getHeader(FromHeader.NAME);
return getUserIdFromFromHeader(fromHeader);
@@ -51,7 +63,7 @@ public class SipUtils {
}
public static String getNewViaTag() {
return "z9hG4bK" + System.currentTimeMillis();
return "z9hG4bK" + RandomStringUtils.randomNumeric(10);
}
public static UserAgentHeader createUserAgentHeader(GitUtil gitUtil) throws PeerUnavailableException, ParseException {
@@ -113,6 +125,12 @@ public class SipUtils {
strTmp = String.format("%02X", moveSpeed);
builder.append(strTmp, 0, 2);
builder.append(strTmp, 0, 2);
//优化zoom低倍速下的变倍速率
if ((zoomSpeed > 0) && (zoomSpeed <16))
{
zoomSpeed = 16;
}
strTmp = String.format("%X", zoomSpeed);
builder.append(strTmp, 0, 1).append("0");
//计算校验码
@@ -183,4 +201,66 @@ public class SipUtils {
}
return deviceChannel;
}
}
public static Gb28181Sdp parseSDP(String sdpStr) throws SdpParseException {
// jainSip不支持y= f=字段， 移除以解析。
int ssrcIndex = sdpStr.indexOf("y=");
int mediaDescriptionIndex = sdpStr.indexOf("f=");
// 检查是否有y字段
SessionDescription sdp;
String ssrc = null;
String mediaDescription = null;
if (mediaDescriptionIndex == 0 && ssrcIndex == 0) {
sdp = SdpFactory.getInstance().createSessionDescription(sdpStr);
}else {
String lines[] = sdpStr.split("\\r?\\n");
StringBuilder sdpBuffer = new StringBuilder();
for (String line : lines) {
if (line.trim().startsWith("y=")) {
ssrc = line.substring(2);
}else if (line.trim().startsWith("f=")) {
mediaDescription = line.substring(2);
}else {
sdpBuffer.append(line.trim()).append("\r\n");
}
}
sdp = SdpFactory.getInstance().createSessionDescription(sdpBuffer.toString());
}
return Gb28181Sdp.getInstance(sdp, ssrc, mediaDescription);
}
public static String getSsrcFromSdp(String sdpStr) {
// jainSip不支持y= f=字段， 移除以解析。
int ssrcIndex = sdpStr.indexOf("y=");
if (ssrcIndex == 0) {
return null;
}
String lines[] = sdpStr.split("\\r?\\n");
for (String line : lines) {
if (line.trim().startsWith("y=")) {
return line.substring(2);
}
}
return null;
}
public static String parseTime(String timeStr) {
if (ObjectUtils.isEmpty(timeStr)){
return null;
}
LocalDateTime localDateTime;
try {
localDateTime = LocalDateTime.parse(timeStr);
}catch (DateTimeParseException e) {
try {
localDateTime = LocalDateTime.parse(timeStr, DateUtil.formatterISO8601);
}catch (DateTimeParseException e2) {
logger.error("[格式化时间] 无法格式化时间： {}", timeStr);
return null;
}
}
return localDateTime.format(DateUtil.formatterISO8601);
}
}