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- import { Observable, Subject, takeWhile } from "rxjs";
- import { prepareResponseMessages } from "../../services/utility/prepareFISmessage";
- import { BaseMessage } from "../../dependencies/logging/interface/export";
- import { io, Socket } from "socket.io-client";
- import { WrappedMessage } from "../../interfaces/general.interface";
- import * as fs from 'fs'
- import { ClientInfo } from "./socket.service";
- import { MongoService } from "./temp-log-service";
- let onHoldMessagesSubject: Subject<WrappedMessage> = new Subject()
- let toBePassedOverToApp: Subject<BaseMessage> = new Subject()
- let sender: Subject<BaseMessage> = prepareResponseMessages(5, 1000)
- let serverSocketUrl: string = 'http://192.168.100.96:3000'
- let socket: Socket
- let client: string = 'client3'
- let mongoService: MongoService = new MongoService(client)
- establishSocketConnection(serverSocketUrl).then(() => {
-
-
-
-
-
-
-
-
-
- })
- function makeRequest(request: BaseMessage): Observable<BaseMessage> {
- return new Observable((response) => {
- sendMessage(request)
- toBePassedOverToApp.subscribe({
- next: (message: BaseMessage) => {
-
-
-
- if (message.header.messageID == request.header.messageID && message.header.messageName != 'Complete') {
- response.next(message)
- }
- if (message.header.messageID == request.header.messageID && message.header.messageName == 'Complete') {
- response.complete()
- }
- },
- error: err => console.error(err),
- complete: () => { }
- })
- })
- }
- async function establishSocketConnection(serverUrl: string): Promise<any> {
- return new Promise((resolve, reject) => {
- try {
- socket = io(serverUrl, {
- reconnection: true,
- reconnectionAttempts: 100,
- reconnectionDelay: 500,
- reconnectionDelayMax: 10000,
- randomizationFactor: 0.3,
- })
-
- let data: ClientInfo | null = checkOwnClientInfo(client)
- if (data) {
- socket.emit('notification', { agenda: 'existingClient', data: data })
- } else {
- socket.emit('notification', { agenda: 'newClient' })
- }
-
- socket.on('connect', () => {
-
- console.log('Connected to the server:', socket.id)
- });
-
-
- socket.on('response', (msg: WrappedMessage) => {
- console.log('Message from server:', msg.payload.header.messageName, ' for ', msg.payload.header.messageID);
- mongoService.write(msg.payload, msg.payload.header.messageID, () => console.log(`Error function doesn't exist.`))
-
-
-
-
-
- toBePassedOverToApp.next(msg.payload as BaseMessage)
- })
-
- socket.on('notification', (msg: any) => {
- if (msg.notification == 'Your credentials') {
- console.log(`Assigned client Name: ${msg.socketInfo.clientName}`)
- writeFile(msg.socketInfo as ClientInfo, client)
- }
- if (msg.notification == 'Your updated credentials') {
- console.log(`Updated socket ID: `, msg)
-
- }
- if (msg.notification == 'Failed Request') {
- console.log(`Resending request...`, msg.data.header.messageID)
- setTimeout(() => {
- sender.next(msg.data)
- }, 1000)
- }
- })
- resolve('')
-
- socket.on('disconnect', () => {
- console.log('Disconnected from the server');
-
- });
- }
- catch (error) {
- reject(error)
- }
- })
- }
- function checkOwnClientInfo(filename: string): ClientInfo | null {
-
- if (fs.existsSync(`${filename}.json`)) {
- try {
-
- const fileData = fs.readFileSync(`${filename}.json`, 'utf8');
-
- if (fileData.trim() === "") {
- throw new Error("File is empty");
- }
-
-
- const jsonData = JSON.parse(fileData);
- return jsonData;
-
- } catch (err) {
-
- console.error("Error reading or parsing file:", err.message);
- return null;
- }
- } else {
- console.error("File does not exist");
- return null;
- }
- }
- function writeFile(data: ClientInfo, filename: string) {
-
- fs.writeFile(`${filename}.json`, JSON.stringify(data, null, 2), (err) => {
- if (err) {
- console.error('Error writing file', err);
- } else {
- console.log('File has been written');
- }
- });
- }
- async function sendMessage(message: BaseMessage): Promise<any> {
- return new Promise((resolve, reject) => {
- try {
-
-
- socket.emit('request', message);
- console.log(`SocketEmit() for message to event queue ${message.header.messageID}`)
- resolve('')
- } catch (error) {
- console.error('Error emitting message:', error);
- sender.next(message)
- reject(error)
- }
- })
- }
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