439 lines
12 KiB
JavaScript
439 lines
12 KiB
JavaScript
const smpp = require("smpp");
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const keyboard = require("keyboardjs");
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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 express = require('express');
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const app = express();
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const bodyParser = require('body-parser');
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const SERVER_PORT = process.env.SERVER_PORT || 8190;
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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 SessionStatus {
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static OK = "OK";
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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 READY = "READY";
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static CONNECT_FAILED = "CONNECT_FAILED";
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static BIND_FAILED = "BIND_FAILED";
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static NOT_CONNECTED = "NOT_CONNECTED";
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}
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class Session {
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auto_enquire_link_period = 500;
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eventEmitter = new EventEmitter();
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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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constructor(id, url, username, password) {
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this.id = id;
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this.logger = new Logger(`Session-${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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if (!this.url.includes("smpp://")) {
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this.url = "smpp://" + this.url;
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}
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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 = SessionStatus.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("statusChanged", 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 !== SessionStatus.NOT_CONNECTED) {
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this.logger.log1("Session already connected");
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reject("Session 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(SessionStatus.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.clientError.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(SessionStatus.CONNECT_FAILED);
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console.log(e);
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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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clientError(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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}
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connected() {
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this.logger.log1("Connected to " + this.url);
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this.setStatus(SessionStatus.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('*', 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 !== SessionStatus.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 !== SessionStatus.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(SessionStatus.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(SessionStatus.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(SessionStatus.BIND_FAILED);
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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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if (this.status !== SessionStatus.BOUND) {
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this.logger.log1(`Cannot send message, not bound to ${this.url}`);
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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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}, function(pdu) {
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console.log(pdu);
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});
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this.session.close();
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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 !== SessionStatus.BOUND) {
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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(SessionStatus.NOT_CONNECTED);
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resolve();
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});
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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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}
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class SessionManager {
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sessionIdCounter = 0;
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logger = new Logger("SessionManager");
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constructor() {
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this.sessions = [];
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}
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createSession(url, username, password) {
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this.logger.log1(`Creating session to ${url} with username ${username} and password ${password}`);
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let session = new Session(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.push(session);
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}
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getSessions() {
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return this.sessions;
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}
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getSession(id) {
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return 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 this.sessions.map((session) => {
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return session.serialize();
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});
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}
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}
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class HTTPServer {
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logger = new Logger("HTTPServer");
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constructor() {
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app.use(bodyParser.json());
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app.get('/api/sessions', this.getSessions.bind(this));
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app.post('/api/sessions', this.createSession.bind(this));
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app.get('/api/sessions/:id', this.getById.bind(this));
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app.post('/api/sessions/:id/send', this.send.bind(this));
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app.post('/api/sessions/:id/bind', this.bind.bind(this));
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app.post('/api/sessions/:id/connect', this.connect.bind(this));
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app.delete('/api/sessions/:id/connect', this.disconnect.bind(this));
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this.server = app.listen(SERVER_PORT, function() {
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this.logger.log1(`HTTPServer listening at http://localhost:${SERVER_PORT}`)
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}.bind(this));
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}
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getSessions(req, res) {
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this.logger.log1("Getting sessions");
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res.send(JSON.stringify(sessionManager.serialize()));
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}
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createSession(req, res) {
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this.logger.log1("Creating session");
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let session = sessionManager.createSession(req.body.url, req.body.username, req.body.password);
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res.send(JSON.stringify(session.serialize()));
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}
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getById(req, res) {
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let session = sessionManager.getSession(req.params.id);
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this.logger.log1(`Getting session by ID ${req.params.id}`);
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if (session) {
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this.logger.log1(`Session found with ID ${req.params.id}`)
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res.send(JSON.stringify(session.serialize()));
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} else {
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this.logger.log1(`No session found with ID ${req.params.id}`);
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res.status(404).send();
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}
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}
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send(req, res) {
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let session = sessionManager.getSession(req.params.id);
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this.logger.log1(
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`Sending message from ${req.body.source} to ${req.body.destination} with message ${req.body.message} on session with ID ${req.params.id}`)
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if (session) {
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session.send(req.body.source, req.body.destination, req.body.message);
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res.send(JSON.stringify(session.serialize()));
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} else {
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this.logger.log1(`No session found with ID ${req.params.id}`);
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res.status(404).send();
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}
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}
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bind(req, res) {
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this.logger.log1(`Binding session with ID ${req.params.id}`)
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// Maybe make this async?
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let session = sessionManager.getSession(req.params.id);
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if (session) {
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session.bind().then(() => res.send(JSON.stringify(session.serialize())))
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.catch(err => res.status(400).send(JSON.stringify(err)));
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} else {
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this.logger.log1(`No session found with ID ${req.params.id}`);
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res.status(404).send();
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}
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}
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connect(req, res) {
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this.logger.log1(`Connecting session with ID ${req.params.id}`)
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let session = sessionManager.getSession(req.params.id);
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if (session) {
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session.connect().then(() => res.send(JSON.stringify(session.serialize())))
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.catch(err => res.status(400).send(JSON.stringify(err)));
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} else {
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this.logger.log1(`No session found with ID ${req.params.id}`);
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res.status(404).send();
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}
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}
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disconnect(req, res) {
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this.logger.log1(`Disconnecting session with ID ${req.params.id}`)
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let session = sessionManager.getSession(req.params.id);
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if (session) {
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session.close().then(() => res.send(JSON.stringify(session.serialize())))
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.catch(err => res.status(400).send(JSON.stringify(err)));
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} else {
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this.logger.log1(`No session found with ID ${req.params.id}`);
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res.status(404).send();
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}
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}
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}
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function sleep(ms) {
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return new Promise((resolve) => {
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setTimeout(resolve, ms);
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});
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}
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let sessionManager = new SessionManager();
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let session = sessionManager.createSession('localhost:7001', 'test', 'test');
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session.on('statusChanged', (status) => {
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logger.log1(`NEW STATUS! ${status}`);
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});
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// session.on('*', pdu => {
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// logger.log1(pdu);
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// });
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// session.connect().then(() => {
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// session.bind().catch(() => {
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// logger.log1("AAA");
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// })
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// .then(() => {
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// logger.log1("OK");
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// session.send("123", "456", "test");
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// sleep(600 * 1000);
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// });
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// });
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let httpServer = new HTTPServer(); |