959 lines
30 KiB
JavaScript
959 lines
30 KiB
JavaScript
const smpp = require("smpp");
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const fs = require("fs");
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const path = require("path");
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const EventEmitter = require("events");
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const NanoTimer = require('nanotimer');
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const express = require("express");
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const app = express();
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const bodyParser = require("body-parser");
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const WebSocket = require("ws");
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const SERVER_PORT = process.env.SERVER_PORT || 8190;
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const WS_SERVER_PORT = process.env.WS_SERVER_PORT || 8191;
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const CLIENT_SESSIONS_FILE = process.env.CLIENT_SESSIONS_FILE || "client_sessions.json";
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const CENTER_SESSIONS_FILE = process.env.CENTER_SESSIONS_FILE || "center_sessions.json";
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const MESSAGE_SEND_UPDATE_DELAY = process.env.MESSAGE_SEND_UPDATE_DELAY || 500;
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[
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'debug',
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'log',
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'warn',
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'error'
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].forEach((methodName) => {
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const originalLoggingMethod = console[methodName];
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console[methodName] = (firstArgument, ...otherArguments) => {
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const originalPrepareStackTrace = Error.prepareStackTrace;
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Error.prepareStackTrace = (_, stack) => stack;
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const callee = new Error().stack[2];
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Error.prepareStackTrace = originalPrepareStackTrace;
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const relativeFileName = path.relative(process.cwd(), callee.getFileName());
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const prefix = `${relativeFileName}:${callee.getLineNumber()}:`;
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if (typeof firstArgument === 'string') {
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originalLoggingMethod(prefix + ' ' + firstArgument, ...otherArguments);
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} else {
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originalLoggingMethod(prefix, firstArgument, ...otherArguments);
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}
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};
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});
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class Logger {
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constructor(clazz) {
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this.clazz = clazz;
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this.logLevel = typeof LOG_LEVEL !== "undefined" ? LOG_LEVEL : 6;
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this.logFile = typeof LOG_FILE !== "undefined" ? LOG_FILE : null;
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this.logFileWriteStream = null;
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if (this.logFile != null) {
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this.logFileWriteStream = fs.createWriteStream(this.logFile, {flags: 'a'});
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}
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}
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leftPad(str, len, char) {
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str = String(str);
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let i = -1;
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len = len - str.length;
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if (char === undefined) {
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char = " ";
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}
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while (++i < len) {
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str = char + str;
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}
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return str;
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}
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log(...args) {
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let logLevel = args[0];
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let data = args[1];
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if (typeof data === "object") {
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data = JSON.stringify(data);
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}
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let date = new Date();
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let year = this.leftPad(date.getFullYear(), 4);
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let month = this.leftPad(date.getMonth() + 1, 2, 0);
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let day = this.leftPad(date.getDate(), 2, 0);
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let hours = this.leftPad(date.getHours(), 2, 0);
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let minutes = this.leftPad(date.getMinutes(), 2, 0);
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let seconds = this.leftPad(date.getSeconds(), 2, 0);
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let milliseconds = this.leftPad(date.getMilliseconds(), 3, 0);
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let datePrefix = `[${day}/${month}/${year}-${hours}:${minutes}:${seconds}:${milliseconds}]`
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// let out = `${datePrefix} [${this.clazz}] (${logLevel}) ${data}`;
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let out = datePrefix.padEnd(30, ' ') + `[${this.clazz}]`.padEnd(28, ' ') + `(${logLevel})`.padEnd(8, ' ') + data;
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if (args[0] <= this.logLevel || 6) {
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console.log(out);
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}
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if (this.logFileWriteStream != null) {
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this.logFileWriteStream.write(out + "\n");
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}
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}
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log1 = this.log.bind(this, 1);
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log2 = this.log.bind(this, 2);
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log3 = this.log.bind(this, 3);
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log4 = this.log.bind(this, 4);
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log5 = this.log.bind(this, 5);
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log6 = this.log.bind(this, 6);
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}
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let logger = new Logger("main");
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class ClientSessionStatus {
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static CONNECTING = "CONNECTING";
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static CONNECTED = "CONNECTED";
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static BINDING = "BINDING";
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static BOUND = "BOUND";
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static NOT_CONNECTED = "NOT_CONNECTED";
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}
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class ClientSession {
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auto_enquire_link_period = 500;
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eventEmitter = new EventEmitter();
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busy = false;
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connectingPromise = {
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promise: null,
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resolve: null,
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reject: null
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}
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disconnectingPromise = {
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promise: null,
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resolve: null,
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reject: null
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}
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bindingPromise = {
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promise: null,
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resolve: null,
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reject: null
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}
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static STATUS_CHANGED_EVENT = "statusChanged";
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static ANY_PDU_EVENT = "*";
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static MESSAGE_SEND_COUNTER_UPDATE_EVENT = "messageSendCounterUpdate";
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constructor(id, url, username, password) {
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this.id = id;
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this.logger = new Logger(`ClientSession-${this.id}`);
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this.url = url;
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this.username = username;
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this.password = password;
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this.logger.log1(`Session created with url ${this.url}, username ${this.username}, password ${this.password} and ID ${this.id}`);
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this.status = ClientSessionStatus.NOT_CONNECTED;
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}
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setStatus(newStatus) {
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this.status = newStatus;
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this.eventEmitter.emit(ClientSession.STATUS_CHANGED_EVENT, newStatus);
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}
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connect() {
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this.connectingPromise.promise = new Promise((resolve, reject) => {
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if (this.status !== ClientSessionStatus.NOT_CONNECTED) {
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this.logger.log1("ClientSession already connected");
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reject("ClientSession already connected");
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return;
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}
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this.logger.log1("Connecting to " + this.url);
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this.setStatus(ClientSessionStatus.CONNECTING);
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try {
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this.session = smpp.connect({
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url: this.url,
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auto_enquire_link_period: this.auto_enquire_link_period,
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}, this.connected.bind(this));
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this.session.on('error', this.error.bind(this));
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} catch (e) {
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this.logger.log1("Connection failed to " + this.url);
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this.setStatus(ClientSessionStatus.NOT_CONNECTED);
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this.session.close();
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reject("Connection failed to " + this.url);
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}
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this.connectingPromise.resolve = resolve;
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this.connectingPromise.reject = reject;
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});
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return this.connectingPromise.promise;
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}
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error(error) {
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if (error.code === "ETIMEOUT") {
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this.logger.log1("Connection timed out to " + this.url);
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} else if (error.code === "ECONNREFUSED") {
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this.logger.log1("Connection refused to " + this.url);
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} else {
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this.logger.log1("Connection failed to " + this.url);
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}
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this.session.close();
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this.setStatus(ClientSessionStatus.NOT_CONNECTED);
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}
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connected() {
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this.logger.log1("Connected to " + this.url);
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this.setStatus(ClientSessionStatus.CONNECTED);
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this.session.on('debug', (type, msg, payload) => {
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if (type.includes('pdu.')) {
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this.eventEmitter.emit(msg, payload);
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this.eventEmitter.emit(ClientSession.ANY_PDU_EVENT, payload);
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}
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});
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this.connectingPromise.resolve();
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}
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bind() {
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this.bindingPromise.promise = new Promise((resolve, reject) => {
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if (this.status !== ClientSessionStatus.CONNECTED) {
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this.logger.log1(`Cannot bind, not connected to ${this.url}`);
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reject(`Cannot bind, not connected to ${this.url}`);
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return;
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}
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this.logger.log1("Trying to bind to " + this.url)
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if (this.status !== ClientSessionStatus.CONNECTED) {
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this.logger.log1(`Cannot bind, not connected to ${this.url}`);
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return;
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}
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if (!!!this.username || !!!this.password) {
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this.logger.log1(`Cannot bind, username or password not set`);
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return;
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}
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this.setStatus(ClientSessionStatus.BINDING);
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this.logger.log1(`Binding to ${this.url} with username ${this.username} and password ${this.password}`);
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this.session.bind_transceiver({
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system_id: this.username,
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password: this.password,
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}, this.bindReply.bind(this));
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this.bindingPromise.resolve = resolve;
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this.bindingPromise.reject = reject;
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});
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return this.bindingPromise.promise;
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}
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bindReply(pdu) {
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if (pdu.command_status === 0) {
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this.logger.log1(`Bound to ${this.url} with username ${this.username} and password ${this.password}`);
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this.setStatus(ClientSessionStatus.BOUND);
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this.bindingPromise.resolve();
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} else {
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this.logger.log1(`Bind failed to ${this.url} with username ${this.username} and password ${this.password}`);
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this.setStatus(ClientSessionStatus.CONNECTED);
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this.bindingPromise.reject();
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}
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}
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send(source, destination, message) {
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return new Promise((resolve, reject) => {
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if (!this.canSend()) {
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this.logger.log1(`Cannot send message, not bound to ${this.url} or busy`);
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reject(`Cannot send message, not bound to ${this.url} or busy`);
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return;
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}
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this.logger.log1(`Sending message from ${source} to ${destination} with message ${message}`);
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this.session.submit_sm({
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source_addr: source,
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destination_addr: destination,
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short_message: message
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}, pdu => {
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resolve(pdu);
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});
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});
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}
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sendOnInterval(source, destination, message, interval, count) {
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return new Promise((resolve, reject) => {
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if (!this.canSend() || this.busy) {
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this.logger.log1(`Cannot send many message, not bound to ${this.url} or busy`);
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reject(`Cannot send many message, not bound to ${this.url} or busy`);
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return;
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}
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this.busy = true;
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this.timer = new NanoTimer();
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let counter = 0;
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let previousUpdateCounter = 0;
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this.updateTimer = new NanoTimer();
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this.updateTimer.setInterval(() => {
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if (previousUpdateCounter !== counter) {
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this.eventEmitter.emit(ClientSession.MESSAGE_SEND_COUNTER_UPDATE_EVENT, counter);
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previousUpdateCounter = counter;
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}
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}, '', `${MESSAGE_SEND_UPDATE_DELAY / 1000} s`);
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this.timer.setInterval(() => {
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if (count > 0 && counter >= count) {
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this.cancelSendInterval();
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} else {
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this.send(source, destination, message)
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.catch(e => this.logger.log1(`Error sending message: ${e}`));
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counter++;
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}
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}, '', `${interval} s`);
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resolve();
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});
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}
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cancelSendInterval() {
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if (!!this.timer) {
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this.timer.clearInterval();
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this.updateTimer.clearInterval();
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this.timer = null;
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this.updateTimer = null;
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}
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this.busy = false;
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}
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close() {
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this.disconnectingPromise.promise = new Promise((resolve, reject) => {
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if (this.status !== ClientSessionStatus.BOUND && this.status !== ClientSessionStatus.CONNECTED) {
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this.logger.log1(`Cannot close session, not bound to ${this.url}`);
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reject(`Cannot close session, not bound to ${this.url}`);
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return;
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}
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this.session.close();
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this.setStatus(ClientSessionStatus.NOT_CONNECTED);
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resolve();
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});
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return this.disconnectingPromise.promise;
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}
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on(event, callback) {
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this.eventEmitter.on(event, callback);
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}
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serialize() {
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return {
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id: this.id,
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url: this.url,
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username: this.username,
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password: this.password,
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status: this.status
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}
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}
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canSend() {
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return this.status === ClientSessionStatus.BOUND;
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}
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}
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class ClientSessionManager {
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sessionIdCounter = 0;
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logger = new Logger("ClientSessionManager");
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constructor() {
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this.sessions = {};
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// process.on('exit', this.cleanup.bind(this));
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// process.on('SIGINT', this.cleanup.bind(this));
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// process.on('SIGUSR1', this.cleanup.bind(this));
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// process.on('SIGUSR2', this.cleanup.bind(this));
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// process.on('uncaughtException', this.cleanup.bind(this));
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}
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createSession(url, username, password) {
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let urlB64 = btoa(url);
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if (this.sessions[urlB64]) {
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this.logger.log1(`Session to ${url} already exists`);
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return this.sessions[urlB64];
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}
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this.logger.log1(`Creating session to ${url} with username ${username} and password ${password}`);
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let session = new ClientSession(this.sessionIdCounter++, url, username, password);
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this.addSession(session);
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return session;
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}
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addSession(session) {
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this.logger.log1(`Adding session with ID ${session.id}`);
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this.sessions[btoa(session.url)] = session;
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}
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deleteSession(session) {
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this.logger.log1(`Deleting session with ID ${session.id}`);
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if (session.status === ClientSessionStatus.BOUND || session.status === ClientSessionStatus.CONNECTED) {
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session.close();
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}
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delete this.sessions[btoa(session.url)];
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}
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getSession(id) {
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return Object.values(this.sessions).find((session) => {
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return session.id == id;
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});
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}
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serialize() {
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return Object.values(this.sessions).map((session) => {
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return session.serialize();
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});
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}
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cleanup() {
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this.logger.log1(`Saving sessions to ${CLIENT_SESSIONS_FILE}...`);
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fs.writeFileSync(CLIENT_SESSIONS_FILE, JSON.stringify(this.serialize(), null, 4));
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process.exit(0);
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}
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startup() {
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try {
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let sessions = fs.readFileSync(CLIENT_SESSIONS_FILE);
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sessions = JSON.parse(sessions);
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this.logger.log1(`Loaded ${sessions.length} sessions from ${CLIENT_SESSIONS_FILE}...`);
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sessions.forEach(session => {
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this.createSession(session.url, session.username, session.password);
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});
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} catch (e) {
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this.logger.log1(`Error loading sessions from ${CLIENT_SESSIONS_FILE}: ${e}`);
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}
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}
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}
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class CenterSessionStatus {
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static CONNECTED = "CONNECTED";
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static WAITING_CONNECTION = "WAITING_CONNECTION";
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static CONNECTION_PENDING = "CONNECTION_PENDING";
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}
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class CenterSession {
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auto_enquire_link_period = 500;
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eventEmitter = new EventEmitter();
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busy = false;
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session = null;
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disconnectingPromise = {
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promise: null,
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resolve: null,
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reject: null
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}
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static STATUS_CHANGED_EVENT = "statusChanged";
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static ANY_PDU_EVENT = "*";
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static MESSAGE_SEND_COUNTER_UPDATE_EVENT = "messageSendCounterUpdate";
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constructor(id, port, username, password) {
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this.id = id;
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this.logger = new Logger(`CenterSession-${this.id}`);
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this.port = port;
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this.username = username;
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this.password = password;
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this.server = smpp.createServer({}, this.connected.bind(this));
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this.server.on('debug', (type, msg, payload) => {
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if (type.includes('pdu.')) {
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this.eventEmitter.emit(msg, payload);
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this.eventEmitter.emit(ClientSession.ANY_PDU_EVENT, payload);
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}
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});
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this.server.listen(this.port);
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this.logger.log1(`Session created with port ${this.port}, username ${this.username}, password ${this.password} and ID ${this.id}`);
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this.status = CenterSessionStatus.WAITING_CONNECTION;
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}
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setStatus(newStatus) {
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this.status = newStatus;
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this.eventEmitter.emit(ClientSession.STATUS_CHANGED_EVENT, newStatus);
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}
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error(error) {
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if (error.code === "ETIMEOUT") {
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this.logger.log1("Connection timed out to " + this.port);
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} else if (error.code === "ECONNREFUSED") {
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this.logger.log1("Connection refused to " + this.port);
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} else {
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this.logger.log1("Connection failed to " + this.port);
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}
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this.setStatus(CenterSessionStatus.CONNECTION_PENDING);
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}
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connected(session) {
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this.logger.log1("Center got a connection on port " + this.port);
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this.setStatus(CenterSessionStatus.CONNECTION_PENDING);
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session.on('error', this.error.bind(this));
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function bind_transciever(pdu) {
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this.logger.log1(`Center got a bind_transciever on port ${this.port} with system_id ${pdu.system_id} and password ${pdu.password}`);
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session.pause();
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if (pdu.system_id === this.username && pdu.password === this.password) {
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this.logger.log1(`Connection successful`);
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session.send(pdu.response());
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session.resume();
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this.setStatus(CenterSessionStatus.CONNECTED);
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} else {
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this.logger.log1(`Connection failed, invalid credentials`);
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session.send(pdu.response({
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command_status: smpp.ESME_RBINDFAIL
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}));
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this.setStatus(CenterSessionStatus.WAITING_CONNECTION);
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session.close();
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}
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}
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session.on('bind_transceiver', bind_transciever.bind(this));
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}
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// notify(source, destination, message) {
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// return new Promise((resolve, reject) => {
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// if (!this.canSend()) {
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// this.logger.log1(`Cannot send message, not bound to ${this.url} or busy`);
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// reject(`Cannot send message, not bound to ${this.url} or busy`);
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// return;
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// }
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// this.logger.log1(`Sending message from ${source} to ${destination} with message ${message}`);
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// this.session.submit_sm({
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// source_addr: source,
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// destination_addr: destination,
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|
// short_message: message
|
|
// }, pdu => {
|
|
// resolve(pdu);
|
|
// });
|
|
// });
|
|
// }
|
|
|
|
// notifyOnInterval(source, destination, message, interval, count) {
|
|
// return new Promise((resolve, reject) => {
|
|
// if (!this.canSend() || this.busy) {
|
|
// this.logger.log1(`Cannot send many message, not bound to ${this.url} or busy`);
|
|
// reject(`Cannot send many message, not bound to ${this.url} or busy`);
|
|
// return;
|
|
// }
|
|
// this.busy = true;
|
|
// this.timer = new NanoTimer();
|
|
// let counter = 0;
|
|
// let previousUpdateCounter = 0;
|
|
//
|
|
// this.updateTimer = new NanoTimer();
|
|
// this.updateTimer.setInterval(() => {
|
|
// if (previousUpdateCounter !== counter) {
|
|
// this.eventEmitter.emit(ClientSession.MESSAGE_SEND_COUNTER_UPDATE_EVENT, counter);
|
|
// previousUpdateCounter = counter;
|
|
// }
|
|
// }, '', `${MESSAGE_SEND_UPDATE_DELAY / 1000} s`);
|
|
//
|
|
// this.timer.setInterval(() => {
|
|
// if (count > 0 && counter >= count) {
|
|
// this.cancelNotifyInterval();
|
|
// } else {
|
|
// this.notify(source, destination, message)
|
|
// .catch(e => this.logger.log1(`Error sending message: ${e}`));
|
|
// counter++;
|
|
// }
|
|
// }, '', `${interval} s`);
|
|
// resolve();
|
|
// });
|
|
// }
|
|
|
|
// cancelNotifyInterval() {
|
|
// if (!!this.timer) {
|
|
// this.timer.clearInterval();
|
|
// this.updateTimer.clearInterval();
|
|
// this.timer = null;
|
|
// this.updateTimer = null;
|
|
// }
|
|
// this.busy = false;
|
|
// }
|
|
|
|
close() {
|
|
this.disconnectingPromise.promise = new Promise((resolve, reject) => {
|
|
if (this.status !== CenterSessionStatus.CONNECTED) {
|
|
this.logger.log1(`Cannot close session, no clients bound to ${this.port}`);
|
|
reject(`Cannot close session, no clients bound to ${this.port}`);
|
|
return;
|
|
}
|
|
this.session.close();
|
|
this.setStatus(CenterSessionStatus.WAITING_CONNECTION);
|
|
resolve();
|
|
});
|
|
return this.disconnectingPromise.promise;
|
|
}
|
|
|
|
on(event, callback) {
|
|
this.eventEmitter.on(event, callback);
|
|
}
|
|
|
|
serialize() {
|
|
return {
|
|
id: this.id,
|
|
port: this.port,
|
|
username: this.username,
|
|
password: this.password,
|
|
status: this.status
|
|
}
|
|
}
|
|
|
|
canSend() {
|
|
return this.status === CenterSessionStatus.CONNECTED;
|
|
}
|
|
}
|
|
|
|
class CenterSessionManager {
|
|
sessionIdCounter = 0;
|
|
logger = new Logger("CenterSessionManager");
|
|
|
|
constructor() {
|
|
this.servers = {};
|
|
// process.on('exit', this.cleanup.bind(this));
|
|
// process.on('SIGINT', this.cleanup.bind(this));
|
|
// process.on('SIGUSR1', this.cleanup.bind(this));
|
|
// process.on('SIGUSR2', this.cleanup.bind(this));
|
|
// process.on('uncaughtException', this.cleanup.bind(this));
|
|
}
|
|
|
|
createSession(port, username, password) {
|
|
if (this.servers[port]) {
|
|
this.logger.log1(`Center listening on ${port} already exists`);
|
|
return this.servers[port];
|
|
}
|
|
this.logger.log1(`Creating center listening on ${port} with username ${username} and password ${password}`);
|
|
let session = new CenterSession(this.sessionIdCounter++, port, username, password);
|
|
this.addSession(session);
|
|
return session;
|
|
}
|
|
|
|
addSession(server) {
|
|
this.logger.log1(`Adding session with ID ${server.id}`);
|
|
this.servers[server.port] = server;
|
|
}
|
|
|
|
deleteSession(server) {
|
|
this.logger.log1(`Deleting session with ID ${server.id}`);
|
|
if (server.status === CenterSessionStatus.CONNECTED) {
|
|
server.close();
|
|
}
|
|
delete this.servers[server.port];
|
|
}
|
|
|
|
getSession(id) {
|
|
return Object.values(this.servers).find((session) => {
|
|
return session.id == id;
|
|
});
|
|
}
|
|
|
|
serialize() {
|
|
return Object.values(this.servers).map((servers) => {
|
|
return servers.serialize();
|
|
});
|
|
}
|
|
|
|
cleanup() {
|
|
this.logger.log1(`Saving sessions to ${CENTER_SESSIONS_FILE}...`);
|
|
fs.writeFileSync(CENTER_SESSIONS_FILE, JSON.stringify(this.serialize(), null, 4));
|
|
process.exit(0);
|
|
}
|
|
|
|
startup() {
|
|
try {
|
|
let servers = fs.readFileSync(CENTER_SESSIONS_FILE);
|
|
servers = JSON.parse(servers);
|
|
this.logger.log1(`Loaded ${servers.length} sessions from ${CENTER_SESSIONS_FILE}...`);
|
|
servers.forEach(server => {
|
|
this.createSession(server.port, server.username, server.password);
|
|
});
|
|
} catch (e) {
|
|
this.logger.log1(`Error loading sessions from ${CLIENT_SESSIONS_FILE}: ${e}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
class HTTPServer {
|
|
logger = new Logger("HTTPServer");
|
|
|
|
constructor() {
|
|
app.use(bodyParser.json());
|
|
|
|
app.get('/api/client', this.getClientSessions.bind(this));
|
|
app.post('/api/client', this.createClientSession.bind(this));
|
|
app.get('/api/client/:id', this.getClientSessionById.bind(this));
|
|
app.post('/api/client/:id/send', this.send.bind(this));
|
|
app.post('/api/client/:id/sendMany', this.sendMany.bind(this));
|
|
app.delete('/api/client/:id/sendMany', this.cancelSendMany.bind(this));
|
|
app.post('/api/client/:id/bind', this.bindClientSession.bind(this));
|
|
app.post('/api/client/:id/connect', this.connectClientSession.bind(this));
|
|
app.delete('/api/client/:id/connect', this.disconnectClientSession.bind(this));
|
|
app.delete('/api/client/:id', this.deleteClientSession.bind(this));
|
|
|
|
// app.get('/api/center', this.getCenterSessions.bind(this));
|
|
// app.post('/api/center', this.createCenterSession.bind(this));
|
|
// app.get('/api/center/:id', this.getCenterSessionById.bind(this));
|
|
// app.post('/api/center/:id/send', this.notify.bind(this));
|
|
// app.post('/api/center/:id/sendMany', this.notifyMany.bind(this));
|
|
// app.delete('/api/center/:id/sendMany', this.cancelNotifyMany.bind(this));
|
|
// app.post('/api/center/:id/bind', this.bindCenterSession.bind(this));
|
|
// app.post('/api/center/:id/connect', this.connectCenterSession.bind(this));
|
|
// app.delete('/api/center/:id/connect', this.disconnectCenterSession.bind(this));
|
|
// app.delete('/api/center/:id', this.deleteCenterSession.bind(this));
|
|
|
|
this.server = app.listen(SERVER_PORT, function() {
|
|
this.logger.log1(`HTTPServer listening at http://localhost:${SERVER_PORT}`)
|
|
}.bind(this));
|
|
}
|
|
|
|
// TODO: These requests deserve error handling
|
|
|
|
getClientSessions(req, res) {
|
|
this.logger.log1("Getting sessions");
|
|
res.send(JSON.stringify(clientSessionManager.serialize()));
|
|
}
|
|
|
|
createClientSession(req, res) {
|
|
this.logger.log1("Creating session");
|
|
let session = clientSessionManager.createSession(req.body.url, req.body.username, req.body.password);
|
|
res.send(JSON.stringify(session.serialize()));
|
|
}
|
|
|
|
getClientSessionById(req, res) {
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
this.logger.log1(`Getting session by ID ${req.params.id}`);
|
|
if (session) {
|
|
this.logger.log1(`Session found with ID ${req.params.id}`)
|
|
res.send(JSON.stringify(session.serialize()));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
send(req, res) {
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
let source = req.body.source;
|
|
let destination = req.body.destination;
|
|
let message = req.body.message;
|
|
this.logger.log1(`Sending message from ${source} to ${destination} with message ${message} on session with ID ${req.params.id}`)
|
|
if (session) {
|
|
session.send(source, destination, message)
|
|
.then(pdu => res.send(JSON.stringify(pdu)))
|
|
.catch(err => res.status(400).send(JSON.stringify(err)));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
sendMany(req, res) {
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
let source = req.body.source;
|
|
let destination = req.body.destination;
|
|
let message = req.body.message;
|
|
let interval = req.body.interval / 1000;
|
|
let count = req.body.count;
|
|
if (!!req.body.perSecond) {
|
|
interval = 1 / req.body.perSecond;
|
|
}
|
|
let perSecond = 1 / interval;
|
|
this.logger.log1(
|
|
`Sending ${count} messages from ${source} to ${destination} with message ${message} on session with ID ${req.params.id} at a rate of ${perSecond} per second.`);
|
|
if (session) {
|
|
session.sendOnInterval(source, destination, message, interval, count)
|
|
.then(pdu => res.send(JSON.stringify(pdu)))
|
|
.catch(err => res.status(400).send(JSON.stringify(err)));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
cancelSendMany(req, res) {
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
if (!session.busy) {
|
|
res.status(400).send({
|
|
err: true,
|
|
msg: `Session with ID ${req.params.id} is not sending messages`
|
|
});
|
|
return;
|
|
}
|
|
this.logger.log1(`Cancelling send timer for session with ID ${req.params.id}`);
|
|
if (session) {
|
|
session.cancelSendInterval();
|
|
res.send();
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
bindClientSession(req, res) {
|
|
this.logger.log1(`Binding session with ID ${req.params.id}`)
|
|
// Maybe make this async?
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
if (session) {
|
|
session.bind()
|
|
.then(() => res.send(JSON.stringify(session.serialize())))
|
|
.catch(err => res.status(400).send({
|
|
err: true,
|
|
msg: err
|
|
}));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
connectClientSession(req, res) {
|
|
this.logger.log1(`Connecting session with ID ${req.params.id}`)
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
if (session) {
|
|
session.connect()
|
|
.then(() => res.send(JSON.stringify(session.serialize())))
|
|
.catch(err => res.status(400).send({
|
|
err: true,
|
|
msg: err
|
|
}));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
disconnectClientSession(req, res) {
|
|
this.logger.log1(`Disconnecting session with ID ${req.params.id}`)
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
if (session) {
|
|
session.close()
|
|
.then(() => res.send(JSON.stringify(session.serialize())))
|
|
.catch(err => res.status(400).send({
|
|
err: true,
|
|
msg: err
|
|
}));
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
|
|
deleteClientSession(req, res) {
|
|
this.logger.log1(`Deleting session with ID ${req.params.id}`);
|
|
let session = clientSessionManager.getSession(req.params.id);
|
|
if (session) {
|
|
clientSessionManager.deleteSession(session);
|
|
res.send();
|
|
} else {
|
|
this.logger.log1(`No session found with ID ${req.params.id}`);
|
|
res.status(404).send();
|
|
}
|
|
}
|
|
}
|
|
|
|
class WSServer {
|
|
clients = {};
|
|
|
|
constructor() {
|
|
this.server = new WebSocket.Server({port: WS_SERVER_PORT});
|
|
this.logger = new Logger("WSServer");
|
|
this.server.on('connection', this.onConnection.bind(this));
|
|
this.logger.log1(`WSServer listening at ws://localhost:${WS_SERVER_PORT}`);
|
|
}
|
|
|
|
onConnection(ws) {
|
|
this.logger.log1("New connection");
|
|
this.addClient(ws, -1);
|
|
ws.on('message', this.onMessage.bind(this, ws));
|
|
ws.on('close', this.onClose.bind(this, ws));
|
|
}
|
|
|
|
addClient(ws, sessionId) {
|
|
if (!this.clients[sessionId]) {
|
|
this.clients[sessionId] = [];
|
|
let session = clientSessionManager.getSession(sessionId);
|
|
if (session) {
|
|
// session.on(ClientSession.STATUS_CHANGED_EVENT, this.onSessionChange.bind(this, sessionId));
|
|
// session.on(ClientSession.ANY_PDU_EVENT, this.pduEvent.bind(this, sessionId));
|
|
session.on(ClientSession.MESSAGE_SEND_COUNTER_UPDATE_EVENT, this.onMessageSendCounterUpdate.bind(this, sessionId));
|
|
}
|
|
}
|
|
this.logger.log1(`Added client to session ID: ${sessionId}`);
|
|
this.clients[sessionId].push(ws);
|
|
this.logger.log1(`Now active ${this.clients[sessionId].length} clients in session ID: ${sessionId}`);
|
|
}
|
|
|
|
onMessage(ws, message) {
|
|
this.logger.log1("New message");
|
|
let sessionId = String(message);
|
|
this.logger.log1(`Moving client to session ID: ${sessionId}`);
|
|
this.removeClient(ws);
|
|
this.addClient(ws, sessionId);
|
|
this.logger.log1(`Now active ${this.clients[sessionId].length} clients in session ID: ${sessionId}`);
|
|
}
|
|
|
|
onClose(ws) {
|
|
this.removeClient(ws);
|
|
this.logger.log6(this.clients);
|
|
this.logger.log1("Connection closed");
|
|
}
|
|
|
|
removeClient(ws) {
|
|
for (let sessionId in this.clients) {
|
|
let index = this.clients[sessionId].indexOf(ws);
|
|
if (index > -1) {
|
|
delete this.clients[sessionId][index];
|
|
}
|
|
this.clients[sessionId] = this.clients[sessionId].filter(Boolean);
|
|
}
|
|
}
|
|
|
|
onSessionChange(sessionId, newStatus) {
|
|
this.logger.log1(`Session with ID ${sessionId} changed`);
|
|
let payload = {
|
|
type: 'status',
|
|
sessionId: sessionId,
|
|
value: newStatus
|
|
}
|
|
let clients = this.clients[sessionId];
|
|
if (!!clients) {
|
|
this.logger.log1(`Broadcasting session with ID ${sessionId} to ${clients.length} clients`);
|
|
clients.forEach(client => {
|
|
client.send(JSON.stringify(payload));
|
|
});
|
|
}
|
|
}
|
|
|
|
pduEvent(sessionId, pdu) {
|
|
this.logger.log2(`Session with ID ${sessionId} fired PDU`);
|
|
let payload = {
|
|
type: 'pdu',
|
|
sessionId: sessionId,
|
|
value: pdu
|
|
}
|
|
let clients = this.clients[sessionId];
|
|
if (!!clients) {
|
|
this.logger.log2(`Broadcasting session with ID ${sessionId} to ${clients.length} clients`);
|
|
clients.forEach(client => {
|
|
client.send(JSON.stringify(payload));
|
|
});
|
|
}
|
|
}
|
|
|
|
onMessageSendCounterUpdate(sessionId, counter) {
|
|
this.logger.log2(`Session with ID ${sessionId} updating message send counter`);
|
|
let payload = {
|
|
type: 'counterUpdate',
|
|
sessionId: sessionId,
|
|
value: counter
|
|
}
|
|
let clients = this.clients[sessionId];
|
|
if (!!clients) {
|
|
this.logger.log2(`Broadcasting session with ID ${sessionId} to ${clients.length} clients`);
|
|
clients.forEach(client => {
|
|
client.send(JSON.stringify(payload));
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
let clientSessionManager = new ClientSessionManager();
|
|
let centerSessionManager = new CenterSessionManager();
|
|
clientSessionManager.startup();
|
|
centerSessionManager.startup();
|
|
|
|
let session = clientSessionManager.createSession('smpp://localhost:7001', '123', 'test');
|
|
let server = centerSessionManager.createSession(7001, 'test', 'test');
|
|
|
|
session.connect().then(() => session.bind()).catch(err => console.log(err));
|
|
server.on(CenterSession.STATUS_CHANGED_EVENT, (status) => {
|
|
console.log(status);
|
|
});
|
|
|
|
new WSServer();
|
|
new HTTPServer(); |