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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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54
src/sharding/ShardClientUtil.js
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@@ -41,27 +41,6 @@ class ShardClientUtil {
});
}
/**
* Evaluates a script on all shards, in the context of the Clients.
* @param {string} script JavaScript to run on each shard
* @returns {Promise<Array>} Results of the script execution
*/
broadcastEval(script) {
return new Promise((resolve, reject) => {
const listener = message => {
if (!message || message._sEval !== script) return;
process.removeListener('message', listener);
if (!message._error) resolve(message._result); else reject(makeError(message._error));
};
process.on('message', listener);
this.send({ _sEval: script }).catch(err => {
process.removeListener('message', listener);
reject(err);
});
});
}
/**
* Fetches a Client property value of each shard.
* @param {string} prop Name of the Client property to get, using periods for nesting
@@ -87,6 +66,27 @@ class ShardClientUtil {
});
}
/**
* Evaluates a script on all shards, in the context of the Clients.
* @param {string} script JavaScript to run on each shard
* @returns {Promise<Array>} Results of the script execution
*/
broadcastEval(script) {
return new Promise((resolve, reject) => {
const listener = message => {
if (!message || message._sEval !== script) return;
process.removeListener('message', listener);
if (!message._error) resolve(message._result); else reject(makeError(message._error));
};
process.on('message', listener);
this.send({ _sEval: script }).catch(err => {
process.removeListener('message', listener);
reject(err);
});
});
}
/**
* Handles an IPC message
* @param {*} message Message received
@@ -94,17 +94,17 @@ class ShardClientUtil {
*/
_handleMessage(message) {
if (!message) return;
if (message._eval) {
if (message._fetchProp) {
const props = message._fetchProp.split('.');
let value = this.client;
for (const prop of props) value = value[prop];
this._respond('fetchProp', { _fetchProp: message._fetchProp, _result: value });
} else if (message._eval) {
try {
this._respond('eval', { _eval: message._eval, _result: this.client._eval(message._eval) });
} catch (err) {
this._respond('eval', { _eval: message._eval, _error: err });
}
} else if (message._fetchProp) {
const props = message._fetchProp.split('.');
let value = this.client;
for (const prop of props) value = value[prop];
this._respond('fetchProp', { _fetchProp: message._fetchProp, _result: value });
}
}