From: rknol Date: Sun, 27 Sep 2020 15:38:43 +0000 (+0200) Subject: First implementation of the socket server X-Git-Url: https://git.r.bdr.sh/rbdr/junction/commitdiff_plain/ed9f8fd50086439ff3de12092af2f813763ada91?hp=-c First implementation of the socket server --- ed9f8fd50086439ff3de12092af2f813763ada91 diff --git a/.gitignore b/.gitignore index 723ef36..2d2b47d 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ -.idea \ No newline at end of file +.idea +node_modules \ No newline at end of file diff --git a/server/events.js b/server/events.js new file mode 100644 index 0000000..062b7c1 --- /dev/null +++ b/server/events.js @@ -0,0 +1,41 @@ +function addPeer(peerId, shouldCreateOffer) { + return { + peer_id: peerId, + should_create_offer: shouldCreateOffer, + } +} + +function removePeer(peerId) { + return { + peer_id: peerId, + } +} + +function SessionDescriptionReceived(peerId, sessionDescription) { + return { + peer_id: peerId, + session_description: sessionDescription, + } +} + +function ICECandidateReceived(peerId, ICECandidate) { + return { + peer_id: peerId, + ice_candidate: ICECandidate, + } +} + +module.exports = { + types: { + ADD_PEER: 'addPeer', + REMOVE_PEER: 'removePeer', + RELAY_SESSION_DESCRIPTION: 'relaySessionDescription', + RELAY_ICE_CANDIDATE: 'relayICECandidate', + ICE_CANDIDATE_RECEIVED: 'ICECandidateReceived', + SESSION_DESCRIPTION_RECEIVED: 'SessionDescriptionReceived', + }, + addPeer, + removePeer, + SessionDescriptionReceived: SessionDescriptionReceived, + ICECandidateReceived: ICECandidateReceived, +} \ No newline at end of file diff --git a/server/index.js b/server/index.js new file mode 100644 index 0000000..0cfef25 --- /dev/null +++ b/server/index.js @@ -0,0 +1,49 @@ +const PORT = 8000; + +const express = require('express'); +const http = require('http'); +const main = express(); +const server = http.createServer(main); +const io = require('socket.io').listen(server); +const events = require('./events'); + +server.listen(PORT, null, function() { + console.log("Listening on port " + PORT); +}); + +const sockets = {}; + +io.sockets.on('connection', (socket) => { + sockets[socket.id] = socket; + const me = socket.id; + + console.log(`[CONNECT] New client connected with ID ${me}`); + + socket.on('join', (data) => { + socket.join(data.url); + Object.keys(io.in(data.url).sockets).forEach(peer => peer.emit(events.types.ADD_PEER, events.addPeer(me, peer.id === me))); + + console.log(`[CONNECT] Client ${me} added to room ${data.url}`); + }); + + socket.on('disconnecting', () => { + const rooms = Object.keys(socket.rooms); + rooms.forEach(room => io.to(room).emit(events.types.REMOVE_PEER, events.removePeer(me))); + + console.log(`[DISCONNECT] Client ${me} has disconnected and has been removed from all rooms`); + }); + + socket.on('relayICECandidate', (data) => { + Object.keys(io.in(data.url).sockets).forEach(peer => + peer.emit(events.types.ICE_CANDIDATE_RECEIVED, events.ICECandidateReceived(me, data.ice_candidate))); + + console.log(`[RELAY_ICE_CANDIDATE] ICE candidate for client ${me} has been relayed to all peers`); + }); + + socket.on('relaySessionDescription', (data) => { + Object.keys(io.in(data.url).sockets).forEach(peer => + peer.emit(events.types.SESSION_DESCRIPTION_RECEIVED, events.SessionDescriptionReceived(me, data.session_description))); + + console.log(`[RELAY_SESSION_DESCRIPTION] Session description for client ${me} has been relayed to all peers`); + }); +}); \ No newline at end of file diff --git a/server/package.json b/server/package.json new file mode 100644 index 0000000..3064360 --- /dev/null +++ b/server/package.json @@ -0,0 +1,15 @@ +{ + "name": "junction-server", + "version": "1.0.0", + "description": "", + "main": "index.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "", + "license": "ISC", + "dependencies": { + "express": "^4.17.1", + "socket.io": "^2.3.0" + } +} diff --git a/server/yarn.lock b/server/yarn.lock new file mode 100644 index 0000000..8f9d392 --- /dev/null +++ b/server/yarn.lock @@ -0,0 +1,622 @@ +# THIS IS AN AUTOGENERATED FILE. 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