package com.genersoft.iot.vmp.media.zlm;
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import com.alibaba.fastjson.JSONObject;
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import com.genersoft.iot.vmp.media.zlm.dto.HookType;
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import com.genersoft.iot.vmp.media.zlm.dto.IHookSubscribe;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import java.time.Instant;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.TimeUnit;
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/**
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* @description:针对 ZLMediaServer的hook事件订阅
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* @author: pan
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* @date: 2020年12月2日 21:17:32
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*/
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@Component
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public class ZLMHttpHookSubscribe {
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@FunctionalInterface
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public interface Event{
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void response(MediaServerItem mediaServerItem, JSONObject response);
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}
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private Map<HookType, Map<IHookSubscribe, ZLMHttpHookSubscribe.Event>> allSubscribes = new ConcurrentHashMap<>();
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public void addSubscribe(IHookSubscribe hookSubscribe, ZLMHttpHookSubscribe.Event event) {
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if (hookSubscribe.getExpires() == null) {
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// 默认5分钟过期
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Instant expiresInstant = Instant.now().plusSeconds(TimeUnit.MINUTES.toSeconds(5));
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hookSubscribe.setExpires(expiresInstant);
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}
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allSubscribes.computeIfAbsent(hookSubscribe.getHookType(), k -> new ConcurrentHashMap<>()).put(hookSubscribe, event);
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}
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public ZLMHttpHookSubscribe.Event sendNotify(HookType type, JSONObject hookResponse) {
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ZLMHttpHookSubscribe.Event event= null;
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Map<IHookSubscribe, Event> eventMap = allSubscribes.get(type);
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if (eventMap == null) {
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return null;
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}
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for (IHookSubscribe key : eventMap.keySet()) {
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Boolean result = null;
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for (String s : key.getContent().keySet()) {
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if (result == null) {
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result = key.getContent().getString(s).equals(hookResponse.getString(s));
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}else {
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if (key.getContent().getString(s) == null) {
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continue;
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}
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result = result && key.getContent().getString(s).equals(hookResponse.getString(s));
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}
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}
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if (null != result && result) {
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event = eventMap.get(key);
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}
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}
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return event;
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}
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public void removeSubscribe(IHookSubscribe hookSubscribe) {
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Map<IHookSubscribe, Event> eventMap = allSubscribes.get(hookSubscribe.getHookType());
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if (eventMap == null) {
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return;
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}
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Set<Map.Entry<IHookSubscribe, Event>> entries = eventMap.entrySet();
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if (entries.size() > 0) {
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List<Map.Entry<IHookSubscribe, ZLMHttpHookSubscribe.Event>> entriesToRemove = new ArrayList<>();
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for (Map.Entry<IHookSubscribe, ZLMHttpHookSubscribe.Event> entry : entries) {
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JSONObject content = entry.getKey().getContent();
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if (content == null || content.size() == 0) {
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entriesToRemove.add(entry);
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continue;
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}
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Boolean result = null;
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for (String s : content.keySet()) {
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if (result == null) {
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result = content.getString(s).equals(hookSubscribe.getContent().getString(s));
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}else {
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if (content.getString(s) == null) {
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continue;
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}
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result = result && content.getString(s).equals(hookSubscribe.getContent().getString(s));
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}
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}
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if (null != result && result){
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entriesToRemove.add(entry);
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}
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}
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if (!CollectionUtils.isEmpty(entriesToRemove)) {
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for (Map.Entry<IHookSubscribe, ZLMHttpHookSubscribe.Event> entry : entriesToRemove) {
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entries.remove(entry);
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}
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}
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}
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}
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/**
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* 获取某个类型的所有的订阅
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* @param type
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* @return
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*/
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public List<ZLMHttpHookSubscribe.Event> getSubscribes(HookType type) {
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Map<IHookSubscribe, Event> eventMap = allSubscribes.get(type);
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if (eventMap == null) {
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return null;
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}
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List<ZLMHttpHookSubscribe.Event> result = new ArrayList<>();
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for (IHookSubscribe key : eventMap.keySet()) {
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result.add(eventMap.get(key));
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}
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return result;
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}
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public List<IHookSubscribe> getAll(){
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ArrayList<IHookSubscribe> result = new ArrayList<>();
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Collection<Map<IHookSubscribe, Event>> values = allSubscribes.values();
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for (Map<IHookSubscribe, Event> value : values) {
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result.addAll(value.keySet());
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}
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return result;
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}
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}
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