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Implement websocket server

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This commit is contained in:
David Majdandžić
2023-03-28 21:53:07 +02:00
parent c4d5a62a46
commit 44348e7a85
10 changed files with 493 additions and 32 deletions
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69
src/Center/Center.ts
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@@ -1,10 +1,10 @@
import EventEmitter from "events";
import {ClientEvents} from "../Client/ClientEvents";
import {ClientEvent} from "../Client/ClientEvent";
import {Job} from "../Job/Job";
import {JobEvents} from "../Job/JobEvents";
import Logger from "../Logger";
import {SmppSession} from "../SmppSession";
import {CenterEvents} from "./CenterEvents";
import {CenterEvent} from "./CenterEvent";
import CenterStatus from "./CenterStatus";
import {CenterPDUProcessor} from "./PDUProcessors/CenterPDUProcessor";
import {DebugProcessor} from "./PDUProcessors/DebugProcessor";
@@ -15,6 +15,7 @@ const smpp = require("smpp");
const MESSAGE_SEND_UPDATE_DELAY: number = Number(process.env.MESSAGE_SEND_UPDATE_DELAY) || 500;
export class Center implements SmppSession {
UPDATE_WS: string = "UPDATE_WS";
private pendingSessions: any[] = [];
private sessions: any[] = [];
private nextSession: number = 0;
@@ -33,6 +34,17 @@ export class Center implements SmppSession {
this.logger = new Logger(`Center-${id}`);
// This does not work and I have not a clue as to why
// CenterEvent is undefined in fucking everywhere ever
// I don't get it at all
// I tried to bind the functions to this
// I tried to bind them to the event
// TODO: Fix this shit...
this.eventEmitter.on(CenterEvent.STATE_CHANGED, () => this.updateWs(CenterEvent.STATE_CHANGED));
this.eventEmitter.on(CenterEvent.STATUS_CHANGED, () => this.updateWs(CenterEvent.STATUS_CHANGED));
this.eventEmitter.on(CenterEvent.ANY_PDU, (pdu: any) => this.updateWs(CenterEvent.ANY_PDU, [pdu]));
this.eventEmitter.on(CenterEvent.MESSAGE_SEND_COUNTER_UPDATE_EVENT, (count: number) => this.updateWs(CenterEvent.MESSAGE_SEND_COUNTER_UPDATE_EVENT, [count]));
this.initialize();
}
@@ -55,7 +67,7 @@ export class Center implements SmppSession {
set processor(value: CenterPDUProcessor) {
this._processor = value;
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private _defaultMultipleJob!: Job;
@@ -66,7 +78,7 @@ export class Center implements SmppSession {
set defaultMultipleJob(value: Job) {
this._defaultMultipleJob = value;
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private _defaultSingleJob!: Job;
@@ -77,7 +89,7 @@ export class Center implements SmppSession {
set defaultSingleJob(value: Job) {
this._defaultSingleJob = value;
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private _password: string;
@@ -88,7 +100,7 @@ export class Center implements SmppSession {
set password(value: string) {
this._password = value;
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private _username: string;
@@ -99,7 +111,7 @@ export class Center implements SmppSession {
set username(value: string) {
this._username = value;
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private _status: CenterStatus = CenterStatus.WAITING_CONNECTION;
@@ -110,15 +122,44 @@ export class Center implements SmppSession {
set status(value: CenterStatus) {
this._status = value;
this.eventEmitter.emit(CenterEvents.STATUS_CHANGED, this._status);
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATUS_CHANGED, this._status);
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
on(event: string, callback: (...args: any[]) => void): void {
this.eventEmitter.on(event, callback);
}
updateWs(event: string, args?: any[]): void {
this.logger.log1(`Update WS: ${event}`);
let message: {
type: string,
data?: string
} = {
type: event,
};
switch (event) {
case CenterEvent.STATE_CHANGED:
message.data = JSON.stringify(this.serialize());
break;
case CenterEvent.STATUS_CHANGED:
message.data = JSON.stringify(this._status);
break;
case CenterEvent.ANY_PDU:
message.data = JSON.stringify(args![0]);
break;
case CenterEvent.MESSAGE_SEND_COUNTER_UPDATE_EVENT:
message.data = JSON.stringify(args![0]);
break;
}
this.eventEmitter.emit(this.UPDATE_WS, message);
}
initialize(): void {
this._defaultSingleJob = Job.createEmptySingle();
this._defaultMultipleJob = Job.createEmptyMultiple();
this._defaultSingleJob.on(JobEvents.STATE_CHANGED, () => this.eventEmitter.emit(ClientEvents.STATE_CHANGED, this.serialize()));
this._defaultMultipleJob.on(JobEvents.STATE_CHANGED, () => this.eventEmitter.emit(ClientEvents.STATE_CHANGED, this.serialize()));
this._defaultSingleJob.on(JobEvents.STATE_CHANGED, () => this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize()));
this._defaultMultipleJob.on(JobEvents.STATE_CHANGED, () => this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize()));
this.server = smpp.createServer({}, this.eventSessionConnected.bind(this));
this.server.listen(this._port);
@@ -169,7 +210,7 @@ export class Center implements SmppSession {
this.counterUpdateTimer = new NanoTimer();
this.counterUpdateTimer.setInterval(() => {
if (previousUpdateCounter !== counter) {
this.eventEmitter.emit(ClientEvents.MESSAGE_SEND_COUNTER_UPDATE_EVENT, counter);
this.eventEmitter.emit(ClientEvent.MESSAGE_SEND_COUNTER_UPDATE_EVENT, counter);
previousUpdateCounter = counter;
}
}, '', `${MESSAGE_SEND_UPDATE_DELAY / 1000} s`);
@@ -277,7 +318,7 @@ export class Center implements SmppSession {
session.on('bind_transceiver', this.eventBindTransceiver.bind(this, session));
session.on('pdu', this.eventAnyPdu.bind(this, session));
this.updateStatus();
this.eventEmitter.emit(CenterEvents.STATE_CHANGED, this.serialize());
this.eventEmitter.emit(CenterEvent.STATE_CHANGED, this.serialize());
}
private eventSessionError(session: any): void {
@@ -303,7 +344,7 @@ export class Center implements SmppSession {
}
private eventAnyPdu(session: any, pdu: any): void {
this.eventEmitter.emit(CenterEvents.ANY_PDU, pdu);
this.eventEmitter.emit(CenterEvent.ANY_PDU, pdu);
this.processor.processPdu(session, pdu).then(() => {
}, () => {
});