multi-request-json.lua
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Authored by Eevans on Apr 24 2019, 8:29 PM.

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	F28759691: raw.txt
	Apr 24 2019, 8:29 PM

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	-- Cribbed from http://czerasz.com/2015/07/19/wrk-http-benchmarking-tool-example

	-- Module instantiation
	local cjson = require "cjson"
	local cjson2 = cjson.new()
	local cjson_safe = require "cjson.safe"

	-- Initialize the pseudo random number generator
	-- Resource: http://lua-users.org/wiki/MathLibraryTutorial
	math.randomseed(os.time())
	math.random(); math.random(); math.random()

	-- Shuffle array
	-- Returns a randomly shuffled array
	function shuffle(paths)
	local j, k
	local n = #paths

	for i = 1, n do
	j, k = math.random(n), math.random(n)
	paths[j], paths[k] = paths[k], paths[j]
	end

	return paths
	end

	-- Load URL paths from the file
	function load_request_objects_from_file(file)
	local data = {}
	local content

	-- Check if the file exists
	-- Resource: http://stackoverflow.com/a/4991602/325852
	local f=io.open(file,"r")
	if f~=nil then
	content = f:read("*all")

	io.close(f)
	else
	-- Return the empty array
	return lines
	end

	-- Translate Lua value to/from JSON
	data = cjson.decode(content)


	return shuffle(data)
	end

	-- Load URL requests from file
	requests = load_request_objects_from_file("requests.json")

	-- Check if at least one path was found in the file
	if #requests <= 0 then
	print("multiplerequests: No requests found.")
	os.exit()
	end

	print("multiplerequests: Found " .. #requests .. " requests")

	-- Initialize the requests array iterator
	counter = 1

	request = function()
	-- Get the next requests array element
	local request_object = requests[counter]

	-- Increment the counter
	counter = counter + 1

	-- If the counter is longer than the requests array length then reset it
	if counter > #requests then
	counter = 1
	end

	-- Return the request object with the current URL path
	return wrk.format(request_object.method, request_object.path, request_object.headers, request_object.body)
	end

	done = function(summary, latency, requests)
	io.write("------------------------------\n")
	for _, p in pairs({ 10, 20, 30, 40, 50, 60, 70, 80, 90, 99 }) do
	n = latency:percentile(p)
	io.write(string.format("%g%%,%d\n", p, n))
	end
	io.write(string.format("duration (micros),%d\n", summary.duration))
	io.write(string.format("requests,%d\n", summary.requests))
	io.write(string.format("bytes,%d\n", summary.bytes))
	io.write(string.format("connect errors,%d\n", summary.errors.connect))
	io.write(string.format("read errors,%d\n", summary.errors.read))
	io.write(string.format("write errors,%d\n", summary.errors.write))
	io.write(string.format("status errors,%d\n", summary.errors.status))
	io.write(string.format("timeout errors,%d\n", summary.errors.timeout))
	io.write("------------------------------\n")
	end

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Eevans edited the content of this paste. (Show Details)Apr 24 2019, 8:29 PM

Eevans changed the title of this paste from untitled to Masterwork From Distant Lands.

Eevans updated the paste's language from autodetect to lua.Apr 24 2019, 8:29 PM

Eevans changed the title of this paste from Masterwork From Distant Lands to multi-request-json.lua.Apr 24 2019, 8:56 PM

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multi-request-json.lua
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