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Add a domain handler to prevent service outages from requiring a server restart

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This commit is contained in:
calzoneman 2013-08-16 21:35:21 -05:00
parent 8776ae15fc
commit 05dc2a3119
1 changed files with 26 additions and 6 deletions
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32
get-info.js
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@ -11,13 +11,23 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
var http = require("http");
var https = require("https");
var domain = require("domain");
var Logger = require("./logger.js");
var Media = require("./media.js").Media;
var CustomEmbedFilter = require("./customembed").filter;
module.exports = function (Server) {
function urlRetrieve(transport, options, callback) {
try {
var urlRetrieve = function (transport, options, callback) {
// Catch any errors that crop up along the way of the request
// in order to prevent them from reaching the global handler.
// This should cut down on needing to restart the server
var d = domain.create();
d.on("error", function (err) {
Logger.errlog.log("urlRetrieve failed: " + err);
Logger.errlog.log("Request was: " + options.host + options.path);
callback(503, err);
});
d.run(function () {
var req = transport.request(options, function (res) {
var buffer = "";
res.setEncoding("utf-8");
@ -30,10 +40,8 @@ module.exports = function (Server) {
});
req.end();
} catch(e) {
callback(503, "");
}
}
});
};
var Getters = {
/* youtube.com */
@ -65,6 +73,9 @@ module.exports = function (Server) {
} else if(status === 403) {
callback("Private video", null);
return;
} else if(status === 503) {
callback("API failure", null);
return;
} else if(status !== 200) {
callback(true, null);
return;
@ -177,6 +188,9 @@ module.exports = function (Server) {
} else if(status === 403) {
callback("Playlist is private", null);
return;
} else if(status === 503) {
callback("API failure", null);
return;
} else if(status !== 200) {
callback(true, null);
}
@ -278,6 +292,9 @@ module.exports = function (Server) {
} else if(status === 403) {
callback("Private video", null);
return;
} else if(status === 503) {
callback("API failure", null);
return;
} else if(status !== 200) {
callback(true, null);
return;
@ -362,6 +379,9 @@ module.exports = function (Server) {
if(status === 404) {
callback("Sound not found", null);
return;
} else if(status === 503) {
callback("API failure", null);
return;
} else if(status !== 302) {
callback(true, null);
return;