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.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.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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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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public enum HookType{
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on_flow_report,
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on_http_access,
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on_play,
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on_publish,
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on_record_mp4,
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on_rtsp_auth,
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on_rtsp_realm,
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on_shell_login,
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on_stream_changed,
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on_stream_none_reader,
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on_stream_not_found,
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on_server_started,
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on_server_keepalive
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}
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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<JSONObject, ZLMHttpHookSubscribe.Event>> allSubscribes = new ConcurrentHashMap<>();
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public void addSubscribe(HookType type, JSONObject hookResponse, ZLMHttpHookSubscribe.Event event) {
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allSubscribes.computeIfAbsent(type, k -> new ConcurrentHashMap<>()).put(hookResponse, event);
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}
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public ZLMHttpHookSubscribe.Event getSubscribe(HookType type, JSONObject hookResponse) {
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ZLMHttpHookSubscribe.Event event= null;
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Map<JSONObject, 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 (JSONObject key : eventMap.keySet()) {
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Boolean result = null;
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for (String s : key.keySet()) {
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if (result == null) {
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result = key.getString(s).equals(hookResponse.getString(s));
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}else {
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if (key.getString(s) == null) {
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continue;
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}
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result = result && key.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(HookType type, JSONObject hookResponse) {
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Map<JSONObject, Event> eventMap = allSubscribes.get(type);
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if (eventMap == null) {
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return;
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}
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Set<Map.Entry<JSONObject, Event>> entries = eventMap.entrySet();
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if (entries.size() > 0) {
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List<Map.Entry<JSONObject, ZLMHttpHookSubscribe.Event>> entriesToRemove = new ArrayList<>();
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for (Map.Entry<JSONObject, ZLMHttpHookSubscribe.Event> entry : entries) {
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JSONObject key = entry.getKey();
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Boolean result = null;
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for (String s : key.keySet()) {
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if (result == null) {
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result = key.getString(s).equals(hookResponse.getString(s));
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}else {
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if (key.getString(s) == null) {
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continue;
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}
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result = result && key.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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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<JSONObject, 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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// ZLMHttpHookSubscribe.Event event= null;
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Map<JSONObject, 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 (JSONObject 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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}
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