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udev.js
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udev.js
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var binary = require('node-pre-gyp');
var path = require('path');
var binding_path = binary.find(path.resolve(path.join(__dirname,'./package.json')));
var udev = require(binding_path);
var EventEmitter = require('events').EventEmitter;
var getDetailedNodeChain = function (node) {
var result = [], extra;
while (node && node.hasOwnProperty('syspath')) {
extra = udev.getSysattrBySyspath(node.syspath);
for (var key in extra) {
if (extra.hasOwnProperty(key)) {
node[key] = extra[key];
}
}
result.push(node);
node = udev.getNodeParentBySyspath(node.syspath);
}
return result;
};
var getNodeDetailsSummary = function (node) {
var result = {},
nodes = getDetailedNodeChain(node),
key;
while (nodes.length != 0) {
node = nodes.pop();
for (key in node) {
if (node.hasOwnProperty(key)) {
if (!result.hasOwnProperty(key)) {
result[key] = [];
}
result[key].push(node[key]);
}
}
}
return result;
};
udev.Monitor.prototype.__proto__ = EventEmitter.prototype;
module.exports = {
monitor: function (subsystem) {
return new udev.Monitor(subsystem);
},
list: udev.list,
getNodeParentBySyspath: udev.getNodeParentBySyspath,
getSysattrBySyspath: udev.getSysattrBySyspath,
getNodeChain: getDetailedNodeChain,
getNodeDetails: getNodeDetailsSummary
};