beta 4: using more guacamolean command names
a bit less extended and using stock error and ready instead of connect,<0,1,2> this is semver breaking but we're in prerelease so i'm not touching package.json ... until it's considered at least mostly done
This commit is contained in:
yellows111
parent
f9bd6c5b69
commit
3770586592
95
client.js
95
client.js
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@ -11,11 +11,12 @@ __messengerjs__.fade = document.createElement("div");
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__messengerjs__.fade.style.cssText = "position: absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.75);color:white;text-align:center;font-family:sans-serif;";
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__messengerjs__.fade.textContent = "connecting to WebSocket server...";
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const beforeUnloadHandler = function(ev, reason) {
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const beforeUnloadHandler = function(ev) {
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Channel_OnAppClose();
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channelSocket.send(new TextEncoder("utf8").encode(EncodeCommandString(["disconnect"])));
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channelSocket.close(1000, ((typeof (reason)) === "string") ? reason : "unloading");
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channelSocket.close(1000, "unloading");
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};
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/** @section guacamole **/
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const ParseCommandString = function(instruction) {
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if(typeof instruction !== "string") {
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@ -73,14 +74,18 @@ const EncodeCommandString = function(sections) {
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/** window.external **/
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window.external.CloseApp = function() {
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beforeUnloadHandler(null, "called CloseApp");
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Channel_OnAppClose();
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channelSocket.send(new TextEncoder("utf8").encode(EncodeCommandString(["disconnect"])));
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channelSocket.close(1000, "we called CloseApp");
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}
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// this is important because things expect it
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/** window.external.Channel **/
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window.external.Channel = {"Data": "", "SendData": null, "Initialize": null, "Error": {"Data": ""}}; // "Type" is a defined property
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window.external.Channel = {"Data": "", "SendData": null, "Initialize": null, "Error": {"Data": "", "Type": 0}}; // "Type" is a defined property
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// things may want Channel.IM: string and Channel.FileInfo: object {Path: string, Size: number, Progress: number<0-100>, Incoming: bool, Status: num<0-3>}
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window.external.Channel.SendData = function(d) {channelSocket.send(d)}; // this is dumb but trying to redirect this gives you TypeError's
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window.external.Channel.Initialize = function() {
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// no idea
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// no idea we're already pretty initalized by the time most things call this
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Channel_OnTypeChanged(); // make client check if its even connected still
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};
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Object.defineProperty(window.external.Channel, "Type", {
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get: function Type() {
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@ -92,8 +97,9 @@ Object.defineProperty(window.external.Channel, "Type", {
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}
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});
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/** window.external.Users **/
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// This sadly needs to be already configured before an activity tries using it...
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// We can't just block execution until we've got the session...
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// yes i define these as the default users... should be created a bit more dynamically
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// problem with that is that i'm yet to find a 1 user activity that calls any of these... ReplaceIM abuse maybe?
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// avaliablity of these properties depends on the permission flags, especially UserProperties being enabled
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window.external.yellows111_Users = [
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{"Name": "Initiator", "Email": "initiator@messenger.js", "GlobalIP": "0.0.0.0", "LocalIP": "0.0.0.0", "PUID": "0"},
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{"Name": "Target", "Email": "target@messenger.js", "GlobalIP": "0.0.0.0", "LocalIP": "0.0.0.1", "PUID": "1"}
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@ -120,6 +126,12 @@ Object.defineProperty(window.external.Users, "me", {
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}
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});
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/*
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window.external.Messenger exists but all it does is:
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* allow you to open the Options dialog (on a certain page: number)
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* allow you to open the phone dialer (with a predetermined number: string)
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so why would i even bother?
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*/
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/** websocket stuff **/
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channelSocket.binaryType = "arraybuffer"; // the alternative is blob.arrayBuffer(); IT'S A PROMISE CALL AND PROMISES SUXX
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channelSocket.onmessage = function(event) {
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@ -138,44 +150,42 @@ channelSocket.onmessage = function(event) {
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__messengerjs__.myNickname = args[3];
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break;
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}
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case "connect": {
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switch(args[1]) {
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case "0": {
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console.error("channel is full or not avaliable");
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// regenerate channel ID if we get 0'd
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case "ready": {
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console.log("joined channel successfully.");
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__messengerjs__.fade.textContent = "waiting for opponent to join this channel...";
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window.addEventListener("beforeunload", beforeUnloadHandler);
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__messengerjs__.imTheChannelOwner = (args[1] !== "1");
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break;
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}
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case "error": {
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window.external.Channel.Error.Data = args[1];
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window.external.Channel.Error.Type = parseInt(args[2]);
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switch(args[2]) {
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case "0": { // if we're getting an error with STATUS_SUCCESSFUL... which sounds stupid, but i'm using it as SERVER_CLOSING)
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__messengerjs__.fade.textContent = "the channel server was closed. please try again later.";
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__messengerjs__.fade.style.display = "block";
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channelSocket.close(1000, "server shutdown acknoledged.");
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Channel_OnTypeChanged();
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Channel_OnRemoteAppClosed(); // they're gone
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Channel_OnAppClose(); // we're gone too
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break;
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}
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case "513": { // SERVER_BUSY = channel was full
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console.warn("channel was full, generating new room");
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__messengerjs__.sessionID = Math.random().toString(36).split('.')[1].substring(0,8);
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history.pushState(null, "", `#channel=${__messengerjs__.sessionID}`);
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channelSocket.send(new TextEncoder("utf8").encode(EncodeCommandString(["connect", __messengerjs__.sessionID])));
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break;
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}
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case "1": {
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console.log("joined channel successfully.");
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__messengerjs__.fade.textContent = "waiting for opponent to join this channel...";
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window.addEventListener("beforeunload", beforeUnloadHandler);
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if(args[2] === "1") {
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__messengerjs__.imTheChannelOwner = false;
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} else {
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__messengerjs__.imTheChannelOwner = true;
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if(window.external.Users.Inviter !== window.external.Users.Me) {
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// This channel has already been closed. Create a new one.
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beforeUnloadHandler(null, "channel was empty when expecting host");
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history.replaceState(null, "", window.location.href.split("?")[0]);
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window.location.reload(); // it's still jank and probably should just be handled elsewhere
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}
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}
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break;
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}
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case "2": {
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console.log("disconnected gracefully.");
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break;
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}
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}
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break;
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}
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case "disconnect": {
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// code will never reach here normally (should announce from server on ^C, though)
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channelSocket.close(1000, "goodbye");
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default: {
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__messengerjs__.fade.textContent = "server error:" + args[1] + "code (" + args[2] + ")";
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__messengerjs__.fade.style.display = "block";
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channelSocket.close(1000, "server sent non-zero error");
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Channel_OnTypeChanged();
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Channel_OnDataError(); // this may just attempt to retry to send the failed data... when we're already closed;
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}
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}
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break;
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}
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case "adduser": {
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__messengerjs__.fade.style.display = "none";
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@ -207,7 +217,8 @@ channelSocket.onmessage = function(event) {
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__messengerjs__.fade.style.display = "block";
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window.removeEventListener("beforeunload", beforeUnloadHandler);
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Channel_OnRemoteAppClosed();
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beforeUnloadHandler(null, "other user disconnected"); // disconnect ourselves
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channelSocket.send(new TextEncoder("utf8").encode(EncodeCommandString(["disconnect"])));
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channelSocket.close(1000, "opponent left");
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break;
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}
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case "sync": {
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@ -255,8 +266,8 @@ __messengerjs__.OnLoadInterrupt = function(ev) {
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createWSEventsNowThatImReady();
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__messengerjs__.onloadargs = ev;
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}
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document.addEventListener("DOMContentLoaded", (event) => {
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// do document.body.onload too since some things suck
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document.addEventListener("DOMContentLoaded", function(event) {
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// do document.body.onload too since some things suck and like doing that
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if(typeof document.body.onload === "function") {
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__messengerjs__.onloadfunction = document.body.onload;
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}
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30
server.js
30
server.js
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@ -88,18 +88,18 @@ const MessageParser = function(webSocket, message, isBinary) {
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}
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case "connect": {
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if(args.length <= 1) {
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webSocket.send(EncodeCommandString(["connect", 0]), true);
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webSocket.send(EncodeCommandString(["error", "need more arguments", 768]), true);
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break;
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}
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let getChannelId = args[1];
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if(server.numSubscribers(`channels/${getChannelId}`) >= 2) {
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// this room is full
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webSocket.send(EncodeCommandString(["connect", 0]), true);
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webSocket.send(EncodeCommandString(["error", "channel has too many members", 513]), true);
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break;
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}
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if(UserAttachedNameStorage.has(webSocket.getUserData().uid) === false) {
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// user doesn't have a username
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webSocket.send(EncodeCommandString(["connect", 0]), true);
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webSocket.send(EncodeCommandString(["error", "you need a nickname", 769]), true);
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break;
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}
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if(ChannelStorage.has(getChannelId) === false) {
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@ -109,16 +109,16 @@ const MessageParser = function(webSocket, message, isBinary) {
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};
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if(webSocket.isSubscribed(`channels/${getChannelId}`) === true) {
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// already in this channel
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webSocket.send(EncodeCommandString(["connect", 0]), true);
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webSocket.send(EncodeCommandString(["error", "already in this channel", 517]), true);
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break;
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};
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if(UserAttachedChannelStorage.has(webSocket.getUserData().uid) === true) {
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// already in a channel that isn't the one we're trying to join
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webSocket.send(EncodeCommandString(["connect", 0]), true);
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webSocket.send(EncodeCommandString(["error", "already in another channel", 797]), true);
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break;
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}
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console.log(`user ${UserAttachedNameStorage.get(webSocket.getUserData().uid)} (${webSocket.getUserData().uid}) joined #${getChannelId}`);
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webSocket.send(EncodeCommandString(["connect", 1, server.numSubscribers(`channels/${getChannelId}`)]), true);
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webSocket.send(EncodeCommandString(["ready", server.numSubscribers(`channels/${getChannelId}`)]), true);
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webSocket.subscribe(`channels/${getChannelId}`);
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UserAttachedChannelStorage.set(webSocket.getUserData().uid, getChannelId);
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// do we keep adduser?
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@ -145,13 +145,12 @@ const MessageParser = function(webSocket, message, isBinary) {
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ChannelStorage.delete(UserAttachedChannelStorage.get(webSocket.getUserData().uid));
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}
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UserAttachedChannelStorage.delete(webSocket.getUserData().uid);
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// user is disconnecting next frame!
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}
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webSocket.send(EncodeCommandString(["connect", 2]), true); // graceful disconnect message
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webSocket.send(EncodeCommandString(["disconnect"]), true);
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return;
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}
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case "sync": {
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// client is alive...
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// client is alive... TODO check if this is too ahead/behind
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break;
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}
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default: {
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@ -169,6 +168,7 @@ const MessageParser = function(webSocket, message, isBinary) {
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webSocket.publish(`channels/${UserAttachedChannelStorage.get(webSocket.getUserData().uid)}`, message, false);
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// ask other user if alive still
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webSocket.publish(`channels/${UserAttachedChannelStorage.get(webSocket.getUserData().uid)}`, EncodeCommandString(["sync", (new Date).getTime()]), true);
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webSocket.ping("pulse");
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}
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//console.log(`${new TextDecoder("utf-8").decode(webSocket.getRemoteAddressAsText())} message: ${msg}`);
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}
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@ -176,6 +176,8 @@ const UserStateRequest = function(webSocket, state, data = null) {
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switch(state) {
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case "open": {
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//console.log("%s client hello", new TextDecoder("utf-8").decode(webSocket.getRemoteAddressAsText()));
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webSocket.subscribe("system");
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webSocket.ping("welcome");
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break;
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}
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case "close": {
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@ -208,3 +210,13 @@ server.ws("/connect", {
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"drain": function(ws) {console.log(`WS going through back-pressure!: ${ws.getBufferedAmount()}`)}
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});
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server.listen(config.port, function(token) {console.log(token ? `open on ${config.port}` : `failed to listen to ${config.port}`)});
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var serverIsClosing = false;
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require("process").on('SIGINT', function() {
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if(serverIsClosing) {return};
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server.publish("system", EncodeCommandString(["error", "server is closing", 0]), true);
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serverIsClosing = true;
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require("process").on('SIGINT', function(){console.warn("emergency shutdown was engaged, clients may be confused!");require("process").exit()});
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console.log("shutting down server, giving clients 5 seconds...");
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setTimeout(function(){console.log("server stopping now");server.close();require("process").exit()}, 5000)
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});
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