Moved reconnect handling out of protocol handler.

UI is extremely shoddy right now, redo will follow. Enjoy LoadingOverlay while you still can.

src/mami.js/conman.js

@@ -0,0 +1,110 @@
+#include eventtarget.js
+#include utility.js
+
+const MamiConnectionManager = function(urls) {
+    if(!Array.isArray(urls))
+        throw 'urls must be an array';
+
+    const eventTarget = new MamiEventTarget('mami:conn');
+    const delays = [0, 2000, 2000, 2000, 5000, 5000, 5000, 5000, 5000, 10000, 10000, 10000, 10000, 10000, 15000, 30000, 45000, 60000, 120000, 300000];
+
+    let timeout;
+    let attempts, started, delay, url;
+    let attemptConnect;
+    let startResolve;
+
+    const resetTimeout = () => {
+        if(timeout !== undefined) {
+            clearTimeout(timeout);
+            timeout = undefined;
+        }
+    };
+
+    const clear = () => {
+        resetTimeout();
+        attempts = started = delay = 0;
+        url = undefined;
+    };
+
+    $as(urls);
+
+    const onFailure = ex => {
+        ++attempts;
+        delay = attempts < delays.length ? delays[attempts] : delays[delays.length - 1];
+
+        eventTarget.dispatch('fail', {
+            url: url,
+            started: started,
+            attempt: attempts,
+            delay: delay,
+            error: ex,
+        });
+
+        attempt();
+    };
+
+    const attempt = () => {
+        started = Date.now();
+        url = urls[attempts % urls.length];
+
+        const attempt = attempts + 1;
+
+        timeout = setTimeout(() => {
+            resetTimeout();
+
+            eventTarget.dispatch('attempt', {
+                url: url,
+                started: started,
+                attempt: attempt,
+            });
+
+            attemptConnect(url).then(result => {
+                if(typeof result === 'boolean' && !result) {
+                    onFailure();
+                    return;
+                }
+
+                eventTarget.dispatch('success', {
+                    url: url,
+                    started: started,
+                    attempt: attempt,
+                });
+
+                startResolve();
+                startResolve = undefined;
+                attemptConnect = undefined;
+            }).catch(ex => onFailure(ex));
+        }, delay);
+    };
+
+    const isActive = () => timeout !== undefined || startResolve !== undefined;
+
+    return {
+        isActive: isActive,
+        start: body => {
+            return new Promise(resolve => {
+                if(typeof body !== 'function')
+                    throw 'body must be a function';
+                if(isActive())
+                    throw 'already attempting to connect';
+
+                attemptConnect = body;
+                startResolve = resolve;
+
+                clear();
+                attempt();
+            });
+        },
+        force: () => {
+            if(!isActive())
+                return;
+
+            resetTimeout();
+            delay = 0;
+            attempt();
+        },
+        clear: clear,
+        watch: eventTarget.watch,
+        unwatch: eventTarget.unwatch,
+    };
+};

src/mami.js/main.js

@@ -5,6 +5,7 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
 #include channels.js
 #include common.js
 #include compat.js
+#include conman.js
 #include context.js
 #include emotes.js
 #include message.js
@@ -151,7 +152,6 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
     }
 
     settings.watch('soundEnable', ev => {
-        console.log(ev);
         if(ev.detail.value) {
             if(!soundCtx.ready)
                 soundCtx.reset();
@@ -221,14 +221,16 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
     loadingOverlay.setMessage('Preparing UI...');
 
     const textTriggers = new MamiTextTriggers;
+    const conMan = new MamiConnectionManager(futami.get('servers'));
 
-    // define this as late as possible'
+    // define this as late as possible
     const ctx = new MamiContext({
         settings: settings,
         views: views,
         sound: soundCtx,
         textTriggers: textTriggers,
         eeprom: eeprom,
+        conMan: conMan,
     });
     Object.defineProperty(window, 'mami', { enumerable: true, value: ctx });
 
@@ -535,11 +537,15 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
     Umi.UI.InputMenus.Add('markup', 'BB Code');
     Umi.UI.InputMenus.Add('emotes', 'Emoticons');
 
+    let isUnloading = false;
+
     window.addEventListener('beforeunload', function(ev) {
         if(settings.get('closeTabConfirm')) {
             ev.preventDefault();
             return ev.returnValue = 'Are you sure you want to close the tab?';
         }
+
+        isUnloading = true;
     });
 
 
@@ -573,7 +579,7 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
         '_1008': 'Your client did something the server did not agree with.',
         '_1009': 'Your client sent too much data to the server at once.',
         '_1011': 'Something went wrong on the server side.',
-        '_1012': 'The server is restarting, reconnecting soon...',
+        '_1012': 'The chat server is restarting.',
         '_1013': 'You cannot connect to the server right now, try again later.',
         '_1015': 'Your client and the server could not establish a secure connection.',
     };
@@ -597,30 +603,54 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
     MamiCompat('Umi.Protocol.SockChat.Protocol.Instance.SendMessage', { value: text => sockChat.sendMessage(text), configurable: true });
     MamiCompat('Umi.Protocol.SockLegacy.Protocol.Instance.SendMessage', { value: text => sockChat.sendMessage(text), configurable: true });
 
-    sockChat.watch('conn:init', ev => {
+    sockChat.watch('conn:lost', ev => {
-        if(dumpEvents) console.log('conn:init', ev);
+        if(dumpEvents) console.log('conn:lost', ev);
 
-        let message = 'Connecting to server...';
+        if(conMan.isActive() || isUnloading)
-        if(ev.detail.attempt > 2)
+            return;
-            message += ` (Attempt ${connectAttempts})`;
 
-        getLoadingOverlay('spinner', 'Loading...', message);
+        const errorCode = ev.detail.code;
-    });
+        const isRestarting = ev.detail.isRestarting;
-    sockChat.watch('conn:ready', ev => {
-        if(dumpEvents) console.log('conn:ready', ev);
 
-        getLoadingOverlay('spinner', 'Loading...', 'Authenticating...');
+        pingToggle.title = '∞ms';
+        pingIndicator.setStrength(-1);
+
+        const conManAttempt = ev => {
+            if(isRestarting || ev.detail.attempt > 1) {
+                let message = ev.detail.attempt > 2 ? `Attempt ${ev.detail.attempt}...` : 'Connecting to server...';
+                getLoadingOverlay('spinner', 'Connecting...', message);
+            }
+        };
+        const conManFail = ev => {
+            if(isRestarting || ev.detail.attempt > 1) {
+                let header = isRestarting ? 'Restarting...' : 'Disconnected';
+                let message = wsCloseReasons[`_${errorCode}`] ?? `Something caused an unexpected connection loss. (${errorCode})`;
+
+                if(ev.detail.delay > 0)
+                    message += ` Retrying in ${ev.detail.delay / 1000} seconds...`;
+
+                // this is absolutely disgusting but i really don't care right now sorry
+                message += ' <a href="javascript:void(0)" onclick="mami.conMan.force()">Retry now</a>';
+
+                getLoadingOverlay('unlink', header, message);
+            }
+        };
+
+        conMan.watch('attempt', conManAttempt);
+        conMan.watch('fail', conManFail);
+
+        conMan.start(async url => {
+            await sockChat.open(url);
+        }).then(() => {
+            conMan.unwatch('attempt', conManAttempt);
+            conMan.unwatch('fail', conManFail);
+
+            pingToggle.title = 'Ready~';
+            pingIndicator.setStrength(3);
 
             const authInfo = MamiMisuzuAuth.getInfo();
             sockChat.sendAuth(authInfo.method, authInfo.token);
         });
-    sockChat.watch('conn:lost', ev => {
-        if(dumpEvents) console.log('conn:lost', ev);
-
-        getLoadingOverlay(
-            'unlink', 'Disconnected!',
-            wsCloseReasons[`_${ev.detail.code}`] ?? `Something caused an unexpected connection loss. (${ev.detail.code})`
-        );
     });
 
     sockChat.watch('ping:send', ev => {
@@ -643,7 +673,6 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
         pingIndicator.setStrength(strength);
     });
 
-
     sockChat.watch('session:start', ev => {
         if(dumpEvents) console.log('session:start', ev);
 
@@ -655,6 +684,7 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
         Umi.UI.Emoticons.Init();
         Umi.Parsing.Init();
 
+        if(views.count() > 1)
             views.pop(ctx => MamiAnimate({
                 async: true,
                 duration: 120,
@@ -880,7 +910,28 @@ window.Umi = { UI: {}, Protocol: { SockChat: { Protocol: {} } } };
         Umi.UI.Messages.RemoveAll();
     });
 
-    sockChat.open();
+    const conManAttempt = ev => {
+        let message = ev.detail.attempt > 2 ? `Attempt ${ev.detail.attempt}...` : 'Connecting to server...';
+        getLoadingOverlay('spinner', 'Connecting...', message);
+    };
+    const conManFail = ev => {
+        getLoadingOverlay('cross', 'Failed to connect', `Retrying in ${ev.detail.delay / 1000} seconds...`);
+    };
+
+    conMan.watch('attempt', conManAttempt);
+    conMan.watch('fail', conManFail);
+
+    await conMan.start(async url => {
+        await sockChat.open(url);
+    });
+
+    conMan.unwatch('attempt', conManAttempt);
+    conMan.unwatch('fail', conManFail);
+
+    getLoadingOverlay('spinner', 'Connecting...', 'Authenticating...');
+
+    const authInfo = MamiMisuzuAuth.getInfo();
+    sockChat.sendAuth(authInfo.method, authInfo.token);
 
     if(window.dispatchEvent)
         window.dispatchEvent(new Event('umi:connect'));

src/mami.js/servers.js

@@ -1,27 +0,0 @@
-#include common.js
-#include utility.js
-
-const UmiServers = (function() {
-    let servers = undefined,
-        index = Number.MAX_SAFE_INTEGER - 1;
-
-    return {
-        getServer: function(callback) {
-            // FutamiCommon is delayed load
-            if(servers === undefined) {
-                const futamiServers = futami.get('servers');
-                $as(futamiServers);
-                servers = futamiServers;
-            }
-
-            if(++index >= servers.length)
-                index = 0;
-
-            let server = servers[index];
-            if(server.includes('//'))
-                server = location.protocol.replace('http', 'ws') + server;
-
-            callback(server);
-        },
-    };
-})();

src/mami.js/sockchat_old.js

@@ -1,5 +1,4 @@
 #include eventtarget.js
-#include servers.js
 #include websock.js
 
 Umi.Protocol.SockChat.Protocol = function(pingDuration) {
@@ -31,8 +30,6 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
     };
 
     let wasConnected = false;
-    let noReconnect = false;
-    let connectAttempts = 0;
     let wasKicked = false;
     let isRestarting = false;
     let dumpPackets = false;
@@ -40,6 +37,7 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
     let sock;
     let selfUserId, selfChannelName, selfPseudoChannelName;
     let lastPing, lastPong, pingTimer, pingWatcher;
+    let openResolve, openReject;
 
     const handlers = {};
 
@@ -104,7 +102,10 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
 
         isRestarting = false;
 
-        eventTarget.dispatch('conn:ready', { wasConnected: wasConnected });
+        if(typeof openResolve === 'function') {
+            openResolve();
+            openResolve = undefined;
+        }
     };
 
     const onClose = ev => {
@@ -126,15 +127,20 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
         } else if(code === 1012)
             isRestarting = true;
 
+        if(typeof openReject === 'function') {
+            openReject({
+                code: code,
+                wasConnected: wasConnected,
+                isRestarting: isRestarting,
+            });
+            openReject = undefined;
+        }
+
         eventTarget.dispatch('conn:lost', {
             wasConnected: wasConnected,
             isRestarting: isRestarting,
             code: code,
         });
-
-        connectAttempts = 0;
-
-        setTimeout(() => beginConnecting(), 5000);
     };
 
     const unfuckText = text => text.replace(/ <br\/> /g, "\n");
@@ -501,7 +507,6 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
 
     // baka (ban/kick)
     handlers['9'] = (type, expiry) => {
-        noReconnect = true;
         wasKicked = true;
 
         const bakaInfo = {
@@ -534,20 +539,22 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
     };
 
 
-    const beginConnecting = () => {
+    return {
+        sendAuth: sendAuth,
+        sendMessage: sendMessage,
+        open: url => {
+            return new Promise((resolve, reject) => {
+                if(typeof url !== 'string')
+                    throw 'url must be a string';
+                if(url.startsWith('//'))
+                    url = location.protocol.replace('http', 'ws') + url;
+
+                openResolve = resolve;
+                openReject = reject;
+
                 sock?.close();
 
-        if(noReconnect)
+                sock = new UmiWebSocket(url);
-            return;
-
-        UmiServers.getServer(server => {
-            eventTarget.dispatch('conn:init', {
-                server: server,
-                wasConnected: wasConnected,
-                attempt: ++connectAttempts,
-            });
-
-            sock = new UmiWebSocket(server);
                 sock.watch('open', onOpen);
                 sock.watch('close', onClose);
                 sock.watch('message', onMessage);
@@ -562,21 +569,13 @@ Umi.Protocol.SockChat.Protocol = function(pingDuration) {
                     pingTimer = undefined;
                 });
             });
-    };
-
-    return {
-        sendAuth: sendAuth,
-        sendMessage: sendMessage,
-        open: () => {
-            noReconnect = false;
-            beginConnecting();
         },
         close: () => {
-            noReconnect = true;
             sock?.close();
+            sock = undefined;
         },
-        watch: (name, handler) => eventTarget.watch(name, handler),
+        watch: eventTarget.watch,
-        unwatch: (name, handler) => eventTarget.unwatch(name, handler),
+        unwatch: eventTarget.unwatch,
         setDumpPackets: state => dumpPackets = !!state,
         switchChannel: channelInfo => {
             if(selfUserId === undefined)

src/mami.js/ui/loading-overlay.jsx

@@ -31,7 +31,7 @@ Umi.UI.LoadingOverlay = function(icon, header, message) {
     };
 
     const setHeader = text => headerElem.textContent = (text || '').toString();
-    const setMessage = text => messageElem.textContent = (text || '').toString();
+    const setMessage = text => messageElem.innerHTML = (text || '').toString();
 
     setIcon(icon);
     setHeader(header);
@@ -44,8 +44,5 @@ Umi.UI.LoadingOverlay = function(icon, header, message) {
         getElement: function() {
             return html;
         },
-        implode: function() {
-            html.parentNode.removeChild(html);
-        },
     };
 };

src/mami.js/ui/ping.jsx

@@ -13,15 +13,41 @@ const MamiPingIndicator = function(initialStrength) {
     for(let i = 1; i <= 3; ++i)
         bars.push(html.appendChild(<div class={`ping-bar ping-bar-${i}`}/>));
 
+    let interval;
+
     const setStrength = strength => {
         if(typeof strength !== 'number')
             throw 'strength must be a number';
 
+        if(strength < 0) {
+            if(interval === undefined) {
+                const cyclesMax = bars.length * 2;
+                let cycles = -1;
+
+                const updateCycle = () => {
+                    let curCycle = ++cycles % cyclesMax;
+                    if(curCycle > bars.length)
+                        curCycle = cyclesMax - curCycle;
+
+                    for(const i in bars)
+                        bars[i].classList.toggle('ping-bar-on', curCycle === (parseInt(i) + 1));
+                };
+
+                interval = setInterval(updateCycle, 200);
+                updateCycle();
+            }
+        } else {
+            if(interval !== undefined) {
+                clearInterval(interval);
+                interval = undefined;
+            }
+
             for(const i in bars)
                 bars[i].classList.toggle('ping-bar-on', i < strength);
+        }
 
         html.classList.toggle('ping-state-good', strength > 1);
-        html.classList.toggle('ping-state-warn', strength === 1);
+        html.classList.toggle('ping-state-warn', strength == 1);
         html.classList.toggle('ping-state-poor', strength < 1);
     };