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Detect sends on closed websocket explicitly.
It turns out that send on a closed websocket doesn't throw, so handle this case explicitly. Thanks to Giuseppe Castagna for noticing.
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191624130a
commit
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1 changed files with 39 additions and 21 deletions
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@ -67,10 +67,13 @@ Connection.prototype.close = function(sendit) {
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this.pc.close();
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if(sendit) {
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send({
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type: 'close',
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id: this.id,
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});
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try {
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send({
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type: 'close',
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id: this.id,
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});
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} catch(e) {
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}
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}
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};
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@ -526,7 +529,6 @@ function serverConnect() {
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return new Promise((resolve, reject) => {
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socket.onerror = function(e) {
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console.error(e);
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reject(e.error ? e.error : e);
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};
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socket.onopen = function(e) {
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@ -534,14 +536,21 @@ function serverConnect() {
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resetChat();
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setConnected(true);
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let up = getUserPass();
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send({
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type: 'handshake',
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id: myid,
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group: group,
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username: up.username,
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password: up.password,
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});
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sendRequest(document.getElementById('requestselect').value);
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try {
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send({
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type: 'handshake',
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id: myid,
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group: group,
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username: up.username,
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password: up.password,
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})
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sendRequest(document.getElementById('requestselect').value);
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} catch(e) {
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console.error(e);
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displayError(e);
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reject(e);
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return;
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}
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resolve();
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};
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socket.onclose = function(e) {
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@ -730,6 +739,10 @@ async function addIceCandidates(conn) {
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function send(m) {
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if(!m)
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throw(new Error('Sending null message'));
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if(socket.readyState !== socket.OPEN) {
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// send on a closed connection doesn't throw
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throw(new Error('Connection is not open'));
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}
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return socket.send(JSON.stringify(m));
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}
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@ -993,14 +1006,19 @@ function handleInput() {
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return;
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}
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addToChatbox(myid, username, message, me);
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send({
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type: 'chat',
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id: myid,
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username: username,
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value: message,
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me: me,
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});
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try {
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let a = send({
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type: 'chat',
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id: myid,
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username: username,
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value: message,
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me: me,
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});
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addToChatbox(myid, username, message, me);
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} catch(e) {
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console.error(e);
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displayError(e);
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}
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}
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document.getElementById('inputform').onsubmit = function(e) {
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