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connection.js
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connection.js
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var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var io_file_client = require('socket.io-client');
var io_file_server = require('socket.io').listen(4000);
var io_client = require('socket.io-client');
var dl = require('delivery');
import {config} from './config';
import {EventHandler} from './eventHandler';
import {DEV} from './header';
import debug from './debug';
var fs = require('fs');
var ss = require('socket.io-stream');
var os = require('os');
var serv_sock = []; // Used in broadcast function
var connections = [];
export function setMyAddr(){
var interfaces = os.networkInterfaces();
var addresses = [];
for (var k in interfaces) {
for (var k2 in interfaces[k]) {
var address = interfaces[k][k2];
if (address.family === 'IPv4' && !address.internal) {
addresses.push(address.address);
}
}
}
config.my_addr = addresses[0];
}
export function initServer(){
setMyAddr();
for(var i = 0; i < config.server_addr.length; i++){
if(config.server_addr[i] == config.my_addr) continue;
var s_addr = 'http://' + config.server_addr[i] + ':3000/';
serv_sock.push(io_client(s_addr));
}
http.listen(3000, function(){
debug.log('Server started on port 3000', DEV);
});
io.on('connection', function(socket){
debug.log('A user connected', DEV);
var endpoint = socket.request.connection._peername;
var ip = endpoint.address.split(":");
connections.push(ip[ip.length - 1] + ":" + endpoint.port);
socket.on('disconnect', function () {
debug.log('A user disconnected', DEV);
});
socket.on('message', function (data, from) {
console.log('I received a message', ' saying ', data);
});
socket.on('event', function (data) {
EventHandler.handleEvent(data);
});
});
//FILE RECEIVING SINGLE CONNECTION
io_file_server.on('connection', function(socket){
socket.emit('message', "I acknowledge your connection");
socket.on('message', function(data){
socket.emit('message', "I am alive (Sent By: single socket server)");
});
socket.on('event', function(data){
EventHandler.handleEvent(data);
console.log("Now as a server I am gonna respond as: I am alive");
socket.emit('message', "Event Successfully Received (Sent By: single socket server)");
});
ss(socket).on('file', function(stream, data) {
// var filename = path.basename(data.name);
stream.pipe(fs.createWriteStream(data.name));
console.log("File Written");
});
socket.on('request_file', function(path){
var stream = ss.createStream();
ss(socket).emit('request_file', stream, {name: path});
fs.createReadStream(path).pipe(stream);
console.log("Requested file sent to the node");
});
});
}
export function requestFile(IP, path){
var socket = io_file_client.connect('http://' + IP + ':' + '4000/');
console.log("Trying to connect to a single server....");
socket.on('connect', function(){
//FILE TRANSFER
console.log("Connected to a single node");
});
ss(socket).on('request_file', function(stream, data){
stream.pipe(fs.createWriteStream(data.name));
console.log("File Written");
});
socket.emit("request_file", path);
}
export function sendMessage(IP, message){
var socket = io_file_client.connect('http://' + IP + ':' + '4000/');
console.log("Trying to connect to a single server....");
socket.on('connect', function(){
//FILE TRANSFER
console.log("Connected to a single node");
});
socket.on('message', function(data){
console.log("Port 4000 message: ", data);
});
socket.emit("message", message);
}
export function sendEvent(IP, message){
var socket = io_file_client.connect('http://' + IP + ':' + '4000/');
console.log("Trying to connect to a single server....");
socket.on('connect', function(){
//FILE TRANSFER
console.log("Connected to a single node");
});
socket.on('event', function(data){
console.log("Port 4000 event: ", data);
});
socket.emit("event", message);
}
export function sendFile(IP, path){
var socket = io_file_client.connect('http://' + IP + ':' + '4000/');
console.log("Trying to connect to a single server....");
socket.on('connect', function(){
//FILE TRANSFER
console.log("Connected to a single node...");
});
socket.on('file', function(data){
console.log("Port 4000 file received: ", data);
});
var stream = ss.createStream();
var filename = path;
ss(socket).emit('file', stream, {name: filename});
fs.createReadStream(filename).pipe(stream);
console.log("File sent to server...");
// fs.readFile(path, function(err, buff){
// socket.emit('file', {buffer: buff, file_path:path});
// console.log('File sent to server', buff);
// });
}
export function getIO(){
return io;
}
export function broadcast(tag, msg) {
io.emit(tag, msg);
serv_sock.map((val) => {val.emit(tag, msg);})
}