Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
193 lines (160 sloc) 5.6 KB
"use strict";
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
var Events, RedisConnection, Scripts, parser;
parser = require("./parser");
Events = require("./Events");
Scripts = require("./Scripts");
RedisConnection = function () {
class RedisConnection {
constructor(options = {}) {
parser.load(options, this.defaults, this);
if (this.Redis == null) {
this.Redis = eval("require")("redis"); // Obfuscated or else Webpack/Angular will try to inline the optional redis module. To override this behavior: pass the redis module to Bottleneck as the 'Redis' option.
}
if (this.Events == null) {
this.Events = new Events(this);
}
this.terminated = false;
if (this.client == null) {
this.client = this.Redis.createClient(this.clientOptions);
}
this.subscriber = this.client.duplicate();
this.limiters = {};
this.shas = {};
this.ready = this.Promise.all([this._setup(this.client, false), this._setup(this.subscriber, true)]).then(() => {
return this._loadScripts();
}).then(() => {
return {
client: this.client,
subscriber: this.subscriber
};
});
}
_setup(client, sub) {
client.setMaxListeners(0);
return new this.Promise((resolve, reject) => {
client.on("error", e => {
return this.Events.trigger("error", e);
});
if (sub) {
client.on("message", (channel, message) => {
var ref;
return (ref = this.limiters[channel]) != null ? ref._store.onMessage(channel, message) : void 0;
});
}
if (client.ready) {
return resolve();
} else {
return client.once("ready", resolve);
}
});
}
_loadScript(name) {
return new this.Promise((resolve, reject) => {
var payload;
payload = Scripts.payload(name);
return this.client.multi([["script", "load", payload]]).exec((err, replies) => {
if (err != null) {
return reject(err);
}
this.shas[name] = replies[0];
return resolve(replies[0]);
});
});
}
_loadScripts() {
return this.Promise.all(Scripts.names.map(k => {
return this._loadScript(k);
}));
}
__runCommand__(cmd) {
var _this = this;
return _asyncToGenerator(function* () {
yield _this.ready;
return new _this.Promise((resolve, reject) => {
return _this.client.multi([cmd]).exec_atomic(function (err, replies) {
if (err != null) {
return reject(err);
} else {
return resolve(replies[0]);
}
});
});
})();
}
__addLimiter__(instance) {
return this.Promise.all([instance.channel(), instance.channel_client()].map(channel => {
return new this.Promise((resolve, reject) => {
var handler;
handler = chan => {
if (chan === channel) {
this.subscriber.removeListener("subscribe", handler);
this.limiters[channel] = instance;
return resolve();
}
};
this.subscriber.on("subscribe", handler);
return this.subscriber.subscribe(channel);
});
}));
}
__removeLimiter__(instance) {
var _this2 = this;
return this.Promise.all([instance.channel(), instance.channel_client()].map(
/*#__PURE__*/
function () {
var _ref = _asyncToGenerator(function* (channel) {
if (!_this2.terminated) {
yield new _this2.Promise((resolve, reject) => {
return _this2.subscriber.unsubscribe(channel, function (err, chan) {
if (err != null) {
return reject(err);
}
if (chan === channel) {
return resolve();
}
});
});
}
return delete _this2.limiters[channel];
});
return function (_x) {
return _ref.apply(this, arguments);
};
}()));
}
__scriptArgs__(name, id, args, cb) {
var keys;
keys = Scripts.keys(name, id);
return [this.shas[name], keys.length].concat(keys, args, cb);
}
__scriptFn__(name) {
return this.client.evalsha.bind(this.client);
}
disconnect(flush = true) {
var i, k, len, ref;
ref = Object.keys(this.limiters);
for (i = 0, len = ref.length; i < len; i++) {
k = ref[i];
clearInterval(this.limiters[k]._store.heartbeat);
}
this.limiters = {};
this.terminated = true;
this.client.end(flush);
this.subscriber.end(flush);
return this.Promise.resolve();
}
}
;
RedisConnection.prototype.datastore = "redis";
RedisConnection.prototype.defaults = {
Redis: null,
clientOptions: {},
client: null,
Promise: Promise,
Events: null
};
return RedisConnection;
}.call(void 0);
module.exports = RedisConnection;