smartuniverse/ts/smartuniverse.classes.universemessage.ts

116 lines
2.8 KiB
TypeScript

import * as plugins from './smartuniverse.plugins';
import { Objectmap } from 'lik';
import { Timer, TimeStamp } from 'smarttime';
import { Universe } from './smartuniverse.classes.universe';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseCache } from './smartuniverse.classes.universecache';
/**
* represents a message within a universe
* acts as a container to save message states like authentication status
*/
export class UniverseMessage {
/**
* public and unique id
* numeric ascending
* adheres to time in milliseconds
* avoids duplications though
*/
public id: number;
/**
* the UniverseCache the message is attached to
*/
public universeCache: UniverseCache;
/**
* requestedChannelName
*/
public requestedChannelName: string;
public requestedChannelPassphrase: string;
/**
* enables unprotected grouping of messages for efficiency purposes.
*/
public universeChannelList = new Objectmap<UniverseChannel>();
/**
* wether the message is authenticated
*/
public authenticated: boolean = null;
/**
* time of creation
*/
public timestamp: TimeStamp;
/**
* the actual message
*/
public message: string;
/**
* any attached payloads. Can be of binary format.
*/
public attachedPayload: any;
public destructionTimer: Timer; // a timer to take care of message destruction
/**
* the constructor to create a universe message
* @param messageArg
* @param attachedPayloadArg
*/
constructor(
messageArg: string,
requestedChannelNameArg: string,
passphraseArg: string,
attachedPayloadArg: any
) {
this.timestamp = new TimeStamp();
this.message = messageArg;
this.requestedChannelName = requestedChannelNameArg;
this.requestedChannelPassphrase = passphraseArg;
this.attachedPayload = attachedPayloadArg;
// prevent memory issues
this.fallBackDestruction();
}
public setUniverseCache(universeCacheArg: UniverseCache) {
this.universeCache = universeCacheArg;
}
public setDestructionTimer(selfdestructAfterArg: number) {
if (selfdestructAfterArg) {
this.destructionTimer = new Timer(selfdestructAfterArg);
this.destructionTimer.start();
// set up self destruction by removing this from the parent messageCache
this.destructionTimer.completed.then(async () => {
this.universeCache.messageMap.remove(this);
});
} else {
this.fallBackDestruction();
}
}
/**
* handles bad messages for further analysis
*/
handleAsBadMessage() {
console.log('received a bad message');
}
/**
* prevents memory leaks if channels have no default
*/
private fallBackDestruction() {
plugins.smartdelay.delayFor(1000).then(() => {
if (!this.destructionTimer) {
this.setDestructionTimer(6000);
}
});
}
}