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Cleanup and reorganise some shard stuff

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Schuyler Cebulskie
2016-09-27 02:25:38 -04:00
parent e5a987e0ef
commit 9d3b7b49dd
4 changed files with 65 additions and 65 deletions
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62
src/sharding/Shard.js
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@@ -12,19 +12,19 @@ class Shard {
*/
constructor(manager, id) {
/**
* The manager of the spawned shard
* Manager that created the shard
* @type {ShardingManager}
*/
this.manager = manager;
/**
* The shard ID
* ID of the shard
* @type {number}
*/
this.id = id;
/**
* The process of the shard
* Process of the shard
* @type {ChildProcess}
*/
this.process = childProcess.fork(path.resolve(this.manager.file), [], {
@@ -56,34 +56,6 @@ class Shard {
});
}
/**
* Evaluates a script on the shard, in the context of the Client.
* @param {string} script JavaScript to run on the shard
* @returns {Promise<*>} Result of the script execution
*/
eval(script) {
if (this._evals.has(script)) return this._evals.get(script);
const promise = new Promise((resolve, reject) => {
const listener = message => {
if (!message || message._eval !== script) return;
this.process.removeListener('message', listener);
this._evals.delete(script);
if (!message._error) resolve(message._result); else reject(makeError(message._error));
};
this.process.on('message', listener);
this.send({ _eval: script }).catch(err => {
this.process.removeListener('message', listener);
this._evals.delete(script);
reject(err);
});
});
this._evals.set(script, promise);
return promise;
}
/**
* Fetches a Client property value of the shard.
* @param {string} prop Name of the Client property to get, using periods for nesting
@@ -115,6 +87,34 @@ class Shard {
this._fetches.set(prop, promise);
return promise;
}
/**
* Evaluates a script on the shard, in the context of the Client.
* @param {string} script JavaScript to run on the shard
* @returns {Promise<*>} Result of the script execution
*/
eval(script) {
if (this._evals.has(script)) return this._evals.get(script);
const promise = new Promise((resolve, reject) => {
const listener = message => {
if (!message || message._eval !== script) return;
this.process.removeListener('message', listener);
this._evals.delete(script);
if (!message._error) resolve(message._result); else reject(makeError(message._error));
};
this.process.on('message', listener);
this.send({ _eval: script }).catch(err => {
this.process.removeListener('message', listener);
this._evals.delete(script);
reject(err);
});
});
this._evals.set(script, promise);
return promise;
}
}
module.exports = Shard;