First commit

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 Francois-Guillaume Ribreau
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# RetriableRequest
+
+# Usage
+
+'ECONNRESET', 'ENOTFOUND', 'ESOCKETTIMEDOUT', 'ETIMEDOUT', 'ECONNREFUSED'
+
+## Installation
+
+Install with [npm](https://npmjs.org/package/retriablerequest).
+
+    npm install --save retriablerequest
+
+
+## Changelog
+
+v0.0.1: Initial commit
+
+Copyright 2014, [Francois-Guillaume Ribreau](http://) ([email protected])

index.js

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+'use strict';
+
+/*
+ * retriablerequest
+ *
+ * Copyright(c) 2014 Francois-Guillaume Ribreau <[email protected]>
+ * MIT Licensed
+ *
+ */
+var request          = require('request');
+var _                = require('fg-lodash');
+
+var RETRIABLE_ERRORS = ['ECONNRESET', 'ENOTFOUND', 'ESOCKETTIMEDOUT', 'ETIMEDOUT', 'ECONNREFUSED'];
+
+var DEFAULTS         = {
+  maxAttempts: 5,   // try 5 times
+  retryDelay: 5000, // wait for 5s before trying again
+};
+
+function isRetriableRequest(err, response){
+  return (err && _.contains(RETRIABLE_ERRORS, err.code)) || (response && 500 <= response.statusCode && response.statusCode < 600);
+}
+
+function tryUntilFail(options, f, retryOptions){
+  retryOptions.maxAttempts--;
+
+  request(options, function(err, response, body){
+    if(isRetriableRequest(err, response)){
+      return setTimeout(tryUntilFail.bind(null, options, f, retryOptions), retryOptions.retryDelay);
+    }
+
+    return f(err, response, body);
+  });
+}
+
+function RetriableRequest(options, f){
+  var retryOptions = _(options || {}).defaults(DEFAULTS).pick(Object.keys(DEFAULTS)).value();
+  tryUntilFail(options, f, retryOptions);
+}
+
+module.exports = RetriableRequest;

package.json

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+{
+  "name": "retriablerequest",
+  "description": "Retriable Request",
+  "author": {
+    "name": "Francois-Guillaume Ribreau",
+    "email": "[email protected]",
+    "url": "http://fgribreau.com"
+  },
+  "version": "0.0.1",
+  "repository": {
+    "url": "https://github.com/FGRibreau/node-retriablerequest"
+  },
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "fg-lodash": "0.0.1",
+    "request": "~2.34.0"
+  }
+}