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fix: catch thrown maConn errors in listener (#122)

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When upgrading sockets to MultiaddConnections, it's possible for an error to be thrown.
This can crash the application if a client disconnects prior to the listener
uprading the socket, as is likely occurring in #121. Errors will now be caught and logged
when attempting to upgrade the socket.
This commit is contained in:
Jacob Heun 2020-02-14 14:12:30 +01:00 committed by GitHub
parent 0c2d84e395
commit 86db568cd8
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1 changed files with 5 additions and 5 deletions
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10
src/listener.js
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@ -20,15 +20,15 @@ module.exports = ({ handler, upgrader }, options) => {
// Avoid uncaught errors caused by unstable connections
socket.on('error', err => log('socket error', err))
const maConn = toConnection(socket, { listeningAddr })
log('new inbound connection %s', maConn.remoteAddr)
let maConn
let conn
try {
maConn = toConnection(socket, { listeningAddr })
log('new inbound connection %s', maConn.remoteAddr)
conn = await upgrader.upgradeInbound(maConn)
} catch (err) {
log.error('inbound connection failed to upgrade', err)
return maConn.close()
log.error('inbound connection failed', err)
return maConn && maConn.close()
}
log('inbound connection %s upgraded', maConn.remoteAddr)