overleaf/libraries/metrics/http.coffee

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os = require("os")
module.exports.monitor = (logger) ->
return (req, res, next) ->
Metrics = require("./metrics")
startTime = new Date()
end = res.end
res.end = () ->
end.apply(this, arguments)
responseTime = new Date() - startTime
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if req.route?.path?
routePath = req.route.path.toString().replace(/\//g, '_').replace(/\:/g, '').slice(1)
key = "http-requests.#{routePath}.#{req.method}.#{res.statusCode}"
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Metrics.timing(key, responseTime)
logger.log
req:
url: req.originalUrl || req.url
method: req.method
referrer: req.headers['referer'] || req.headers['referrer']
"remote-addr": req.ip || req.socket?.socket?.remoteAddress || req.socket?.remoteAddress
"user-agent": req.headers["user-agent"]
"content-length": req.headers["content-length"]
res:
"content-length": res._headers?["content-length"]
statusCode: res.statusCode
"response-time": responseTime
"http request"
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next()