handled case where append is called with closed websocket

This commit is contained in:
tigerbot 2017-04-28 15:28:21 -06:00
parent 12faab1acf
commit 3b1fc8e4ca
1 changed files with 41 additions and 1 deletions

View File

@ -110,6 +110,8 @@ function run(copts) {
});
}
var connCallback;
var packerHandlers = {
oncontrol: function (opts) {
var cmd, err;
@ -133,6 +135,9 @@ function run(copts) {
if (cmd[0] === 0) {
console.warn('received dis-associated error from server', cmd[1]);
if (connCallback) {
connCallback(cmd[1]);
}
return;
}
@ -140,6 +145,9 @@ function run(copts) {
// We only get the 'hello' event after the token has been validated
authenticated = true;
sendAllTokens();
if (connCallback) {
connCallback();
}
// TODO: handle the versions and commands provided by 'hello' - isn't super important
// yet since there is only one version and set up commands.
err = null;
@ -340,6 +348,10 @@ function run(copts) {
if (!tokens.length) {
return;
}
if (wstunneler) {
console.warn('attempted to connect with connection already active');
return;
}
timeoutId = null;
var machine = require('tunnel-packer').create(packerHandlers);
@ -386,8 +398,36 @@ function run(copts) {
return PromiseA.resolve();
}
tokens.push(token);
var prom;
if (tokens.length === 1 && !wstunneler) {
// We just added the only token in the list, and the websocket connection isn't up
// so we need to restart the connection.
if (timeoutId) {
// Handle the case were the last token was removed and this token added between
// reconnect attempts to make sure we don't try openning multiple connections.
clearTimeout(timeoutId);
timeoutId = null;
}
// We want this case to behave as much like the other case as we can, but we don't have
// the same kind of reponses when we open brand new connections, so we have to rely on
// the 'hello' and the 'un-associated' error commands to determine if the token is good.
prom = new PromiseA(function (resolve, reject) {
connCallback = function (err) {
connCallback = null;
if (err) {
reject(err);
} else {
resolve();
}
};
});
connect();
}
else {
prom = sendCommand('add_token', token);
}
var prom = sendCommand('add_token', token);
prom.catch(function (err) {
console.error('adding token', token, 'failed:', err);
// Most probably an invalid token of some kind, so we don't really want to keep it.