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Merge pull request #275 from webtorrent/feross-patch-1

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server: Improve style of announce/filter logic
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Feross Aboukhadijeh 2018-05-01 16:34:11 -07:00 committed by GitHub
commit b3400a9eb1
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1 changed files with 22 additions and 18 deletions
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38
server.js
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@ -657,29 +657,33 @@ Server.prototype._onRequest = function (params, cb) {
Server.prototype._onAnnounce = function (params, cb) { Server.prototype._onAnnounce = function (params, cb) {
var self = this var self = this
self.getSwarm(params.info_hash, function (err, swarm) {
if (err) return cb(err)
if (self._filter) { if (self._filter) {
self._filter(params.info_hash, params, function (err) { self._filter(params.info_hash, params, function (err) {
// Precense of err means that this torrent or user is disallowd // Presence of `err` means that this announce request is disallowed
if (err) cb(err) if (err) return cb(err)
else {
if (swarm) announce(swarm)
else createSwarm()
}
})
} else {
if (swarm) announce(swarm)
else createSwarm()
}
})
function createSwarm () { getOrCreateSwarm(function (err, swarm) {
self.createSwarm(params.info_hash, function (err, swarm) {
if (err) return cb(err) if (err) return cb(err)
announce(swarm) announce(swarm)
}) })
})
} else {
getOrCreateSwarm(function (err, swarm) {
if (err) return cb(err)
announce(swarm)
})
}
// Get existing swarm, or create one if one does not exist
function getOrCreateSwarm (cb) {
self.getSwarm(params.info_hash, function (err, swarm) {
if (err) return cb(err)
if (swarm) return cb(null, swarm)
self.createSwarm(params.info_hash, function (err, swarm) {
if (err) return cb(err)
cb(null, swarm)
})
})
} }
function announce (swarm) { function announce (swarm) {