mirror of https://github.com/zulip/zulip.git
78 lines
2.1 KiB
CoffeeScript
78 lines
2.1 KiB
CoffeeScript
request = require 'request'
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http = require 'http'
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assert = require 'assert'
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class @Session
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constructor: (@defaultHost, @name) ->
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@agent = new http.Agent()
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@agent._name = @name
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@jar = request.jar()
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@headers = {'User-agent': "Zulip Load Tester"}
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@last_body = null
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request: (method, url, form, cb) ->
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if url[0] == "/"
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url = "#{@defaultHost}#{url}"
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console.log "#{+new Date() % 1000000} [#{@name}] #{method} #{url}"
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request.get {method, url, form, @agent, @jar, @headers, followAllRedirects:true}, (error, response, body) =>
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if error
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console.error "[#{@name}] Error on #{method} #{url}: #{error}"
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else if response.statusCode != 200
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console.error "[#{@name}] Status #{method} #{response.statusCode} on #{url}"
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console.error body
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else
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@last_body = body
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console.log "#{+new Date() % 1000000} [#{@name} DONE] #{method} #{url}"
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cb(response, body) if cb
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get: (url, cb) ->
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@request "GET", url, undefined, cb
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post: (url, form, cb) ->
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@request "POST", url, form, cb
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class @Stat
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constructor: (@name) ->
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@reset()
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reset: =>
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@values = []
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# Start a timer and return a callback that stops the timer and adds
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# the difference to the sample set.
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cbTimer: (cb) ->
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t1 = +new Date()
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return (args...) =>
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@update(+new Date() - t1)
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cb(args...) if cb
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update: (value) ->
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@values.push(value)
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count: -> @values.length
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stats: ->
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@values.sort((a,b) -> a-b)
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{
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count: @values.length
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min: @percentile(0)
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max: @percentile(1)
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median: @percentile(0.50)
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p90:@percentile(0.90)
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}
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percentile: (p) ->
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#Assumes @values has been sorted
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k = (@values.length-1)*p
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f = Math.floor(k)
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c = Math.ceil(k)
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if f == c
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@values[f]
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else
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v0 = @values[f] * (c-k)
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v1 = @values[c] * (k-f)
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v0 + v1
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