From 17ea37506eb736077f911c6d76e041db04e01b7e Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期一, 24 七月 2023 09:06:49 +0800
Subject: [PATCH] 修复端口分配的并发问题
---
src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java | 93 ++++++++++++++++++++++++++++------------------
1 files changed, 57 insertions(+), 36 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java b/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
index 5c857da..f960c7d 100644
--- a/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
+++ b/src/main/java/com/genersoft/iot/vmp/media/zlm/SendRtpPortManager.java
@@ -3,12 +3,14 @@
import com.genersoft.iot.vmp.common.VideoManagerConstants;
import com.genersoft.iot.vmp.conf.UserSetting;
import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
-import com.genersoft.iot.vmp.media.zlm.dto.MediaSendRtpPortInfo;
+import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.utils.redis.RedisUtil;
+import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.support.atomic.RedisAtomicInteger;
import org.springframework.stereotype.Component;
import java.util.HashMap;
@@ -26,23 +28,14 @@
@Autowired
private RedisTemplate<Object, Object> redisTemplate;
- private final String KEY = "VM_MEDIA_SEND_RTP_PORT_RANGE_";
+ private final String KEY = "VM_MEDIA_SEND_RTP_PORT_";
-
- public void initServerPort(String mediaServerId, int startPort, int endPort){
- String key = KEY + userSetting.getServerId() + "_" + mediaServerId;
- MediaSendRtpPortInfo mediaSendRtpPortInfo = new MediaSendRtpPortInfo(startPort, endPort, mediaServerId);
- redisTemplate.opsForValue().set(key, mediaSendRtpPortInfo);
- }
-
- public int getNextPort(String mediaServerId) {
- String sendIndexKey = KEY + userSetting.getServerId() + "_" + mediaServerId;
- MediaSendRtpPortInfo mediaSendRtpPortInfo = (MediaSendRtpPortInfo)redisTemplate.opsForValue().get(sendIndexKey);
- if (mediaSendRtpPortInfo == null) {
- logger.warn("[鍙戦�佺鍙ｇ鐞哴 鑾峰彇{}鐨勫彂閫佺鍙ｆ椂鏈壘鍒扮鍙ｄ俊鎭�", mediaSendRtpPortInfo);
- return 0;
+ public int getNextPort(MediaServerItem mediaServer) {
+ if (mediaServer == null) {
+ logger.warn("[鍙戦�佺鍙ｇ鐞哴 鍙傛暟閿欒锛宮ediaServer涓篘ULL");
+ return -1;
}
-
+ String sendIndexKey = KEY + userSetting.getServerId() + "_" + mediaServer.getId();
String key = VideoManagerConstants.PLATFORM_SEND_RTP_INFO_PREFIX
+ userSetting.getServerId() + "_*";
List<Object> queryResult = RedisUtil.scan(redisTemplate, key);
@@ -54,14 +47,39 @@
sendRtpItemMap.put(sendRtpItem.getLocalPort(), sendRtpItem);
}
}
+ String sendRtpPortRange = mediaServer.getSendRtpPortRange();
+ int startPort;
+ int endPort;
+ if (sendRtpPortRange == null) {
+ logger.warn("{}鏈缃彂閫佺鍙ｉ粯璁ゅ�硷紝鑷姩浣跨敤40000-50000浣滀负绔彛鑼冨洿", mediaServer.getId());
+ String[] portArray = sendRtpPortRange.split(",");
+ if (portArray.length != 2 || !NumberUtils.isParsable(portArray[0]) || !NumberUtils.isParsable(portArray[1])) {
+ logger.warn("{}鍙戦�佺鍙ｉ厤缃牸寮忛敊璇紝鑷姩浣跨敤40000-50000浣滀负绔彛鑼冨洿", mediaServer.getId());
+ startPort = 50000;
+ endPort = 60000;
+ }else {
- int port = getPort(mediaSendRtpPortInfo.getCurrent(),
- mediaSendRtpPortInfo.getStart(),
- mediaSendRtpPortInfo.getEnd(), checkPort -> sendRtpItemMap.get(checkPort) == null);
-
- mediaSendRtpPortInfo.setCurrent(port);
- redisTemplate.opsForValue().set(sendIndexKey, mediaSendRtpPortInfo);
- return port;
+ if ( Integer.parseInt(portArray[1]) - Integer.parseInt(portArray[0]) < 1) {
+ logger.warn("{}鍙戦�佺鍙ｉ厤缃敊璇�,缁撴潫绔彛鑷冲皯姣斿紑濮嬬鍙ｅぇ涓�锛岃嚜鍔ㄤ娇鐢�40000-50000浣滀负绔彛鑼冨洿", mediaServer.getId());
+ startPort = 50000;
+ endPort = 60000;
+ }else {
+ startPort = Integer.parseInt(portArray[0]);
+ endPort = Integer.parseInt(portArray[1]);
+ }
+ }
+ }else {
+ startPort = 50000;
+ endPort = 60000;
+ }
+ if (redisTemplate == null || redisTemplate.getConnectionFactory() == null) {
+ logger.warn("{}鑾峰彇redis杩炴帴淇℃伅澶辫触", mediaServer.getId());
+ return -1;
+ }
+ RedisAtomicInteger redisAtomicInteger = new RedisAtomicInteger(sendIndexKey , redisTemplate.getConnectionFactory());
+ return redisAtomicInteger.getAndUpdate((current)->{
+ return getPort(current, startPort, endPort, checkPort-> !sendRtpItemMap.containsKey(checkPort));
+ });
}
interface CheckPortCallback{
@@ -69,22 +87,25 @@
}
private int getPort(int current, int start, int end, CheckPortCallback checkPortCallback) {
- int port;
- if (current %2 != 0) {
- port = current + 1;
- }else {
- port = current + 2;
- }
- if (port > end) {
- if (start %2 != 0) {
- port = start + 1;
+ if (current <= 0) {
+ if (start%2 == 0) {
+ current = start;
}else {
- port = start;
+ current = start + 1;
+ }
+ }else {
+ current += 2;
+ if (current > end) {
+ if (start%2 == 0) {
+ current = start;
+ }else {
+ current = start + 1;
+ }
}
}
- if (!checkPortCallback.check(port)) {
- return getPort(port, start, end, checkPortCallback);
+ if (!checkPortCallback.check(current)) {
+ return getPort(current + 2, start, end, checkPortCallback);
}
- return port;
+ return current;
}
}
--
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