smartuniverse/ts/smartuniverse.classes.universeconnection.ts
2019-11-09 12:59:51 +01:00

136 lines
4.3 KiB
TypeScript

import * as plugins from './smartuniverse.plugins';
import * as interfaces from './interfaces';
import { UniverseChannel } from './smartuniverse.classes.universechannel';
import { UniverseCache } from './smartuniverse.classes.universecache';
import { Universe } from './smartuniverse.classes.universe';
/**
* represents a connection to the universe
*/
export class UniverseConnection {
/**
*
* @param universeConnectionArg
*/
public static async addConnectionToCache(
universeRef: Universe,
universeConnectionArg: UniverseConnection
) {
let universeConnection = universeConnectionArg;
universeConnection = await UniverseConnection.deduplicateUniverseConnection(
universeRef.universeCache,
universeConnection
);
universeConnection = await UniverseConnection.authenticateAuthenticationRequests(
universeRef,
universeConnection
);
universeRef.universeCache.connectionMap.add(universeConnection);
console.log('hi');
}
/**
* deduplicates UniverseConnections
*/
public static async deduplicateUniverseConnection(
universeCache: UniverseCache,
universeConnectionArg: UniverseConnection
): Promise<UniverseConnection> {
let connectionToReturn: UniverseConnection;
universeCache.connectionMap.forEach(async existingConnection => {
if (existingConnection.socketConnection === universeConnectionArg.socketConnection) {
connectionToReturn = await this.mergeUniverseConnections(
existingConnection,
universeConnectionArg
);
}
});
if (!connectionToReturn) {
connectionToReturn = universeConnectionArg;
}
return connectionToReturn;
}
/**
* authenticate AuthenticationRequests
*/
public static async authenticateAuthenticationRequests(
universeRef: Universe,
universeConnectionArg: UniverseConnection
): Promise<UniverseConnection> {
for (const authenticationRequest of universeConnectionArg.authenticationRequests) {
const universeChannelToAuthenticateAgainst = UniverseChannel.getUniverseChannelByName(
universeRef,
authenticationRequest.name
);
if (universeChannelToAuthenticateAgainst.passphrase === authenticationRequest.passphrase) {
universeConnectionArg.authenticatedChannels.push(universeChannelToAuthenticateAgainst);
}
}
return universeConnectionArg;
}
/**
* merges two UniverseConnections
*/
public static mergeUniverseConnections(
connectionArg1: UniverseConnection,
connectionArg2: UniverseConnection
) {
return connectionArg1;
}
/**
* finds a UniverseConnection by providing a socket connection
*/
public static findUniverseConnectionBySocketConnection(
universeCache: UniverseCache,
socketConnectionArg: plugins.smartsocket.SocketConnection
): UniverseConnection {
const universeConnection = universeCache.connectionMap.find(universeConnectionArg => {
return universeConnectionArg.socketConnection === socketConnectionArg;
});
return universeConnection;
}
// INSTANCE
public universeRef: Universe;
public terminatedDeferred = plugins.smartpromise.defer();
/**
* the socketClient to ping
*/
public socketConnection: plugins.smartsocket.SocketConnection;
public authenticationRequests: Array<interfaces.ISocketRequest_SubscribeChannel['request']> = [];
public authenticatedChannels: UniverseChannel[] = [];
public failedToJoinChannels: UniverseChannel[] = [];
/**
* disconnect the connection
*/
public async disconnect(reason: 'upstreamevent' | 'triggered' = 'triggered') {
if (reason === 'triggered') {
await this.socketConnection.disconnect();
}
this.universeRef.universeCache.connectionMap.remove(this);
this.terminatedDeferred.resolve();
}
constructor(optionsArg: {
universe: Universe;
socketConnection: plugins.smartsocket.SocketConnection;
authenticationRequests: Array<interfaces.ISocketRequest_SubscribeChannel['request']>;
}) {
this.universeRef = optionsArg.universe;
this.authenticationRequests = optionsArg.authenticationRequests;
this.socketConnection = optionsArg.socketConnection;
this.socketConnection.eventSubject.subscribe(async eventArg => {
switch (eventArg) {
case 'disconnected':
await this.disconnect('upstreamevent');
break;
}
});
}
}