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60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
var Stream = require('stream')
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var Util = require('util')
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module.exports.ReadTarballStream = ReadTarball
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module.exports.UploadTarballStream = UploadTarball
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//
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// This stream is used to read tarballs from repository
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//
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function ReadTarball(options) {
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var self = new Stream.PassThrough(options)
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Object.setPrototypeOf(self, ReadTarball.prototype)
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// called when data is not needed anymore
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add_abstract_method(self, 'abort')
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return self
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}
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Util.inherits(ReadTarball, Stream.PassThrough)
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//
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// This stream is used to upload tarballs to a repository
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//
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function UploadTarball(options) {
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var self = new Stream.PassThrough(options)
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Object.setPrototypeOf(self, UploadTarball.prototype)
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// called when user closes connection before upload finishes
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add_abstract_method(self, 'abort')
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// called when upload finishes successfully
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add_abstract_method(self, 'done')
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return self
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}
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Util.inherits(UploadTarball, Stream.PassThrough)
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//
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// This function intercepts abstract calls and replays them allowing
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// us to attach those functions after we are ready to do so
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//
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function add_abstract_method(self, name) {
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self._called_methods = self._called_methods || {}
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self.__defineGetter__(name, function() {
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return function() {
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self._called_methods[name] = true
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}
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})
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self.__defineSetter__(name, function(fn) {
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delete self[name]
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self[name] = fn
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if (self._called_methods && self._called_methods[name]) {
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delete self._called_methods[name]
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self[name]()
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}
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})
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}
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