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Threaded HTTP POST of content to an HTTP Server returning response duration statistics
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| # https post a payload to a web server with basic authentication | |
| require 'net/https' | |
| require 'benchmark' | |
| request_count = 1 | |
| thread_count = 10 | |
| protocol = 'http' # or 'https' | |
| host = 'www.example.com' | |
| port = 80 | |
| path = '/path/file' | |
| # http basic authentication | |
| user = 'username' | |
| pass = 'password' | |
| content = "Example content to be HTTP posted" | |
| content_type = 'text/plain' | |
| content_encoding = 'gzip' # or nil if compression not required | |
| def compress(input, level=Zlib::DEFAULT_COMPRESSION, strategy=Zlib::DEFAULT_STRATEGY) | |
| output = StringIO.new("w") | |
| gz = Zlib::GzipWriter.new(output, level, strategy) | |
| gz.write(input) | |
| gz.close | |
| output.string | |
| end | |
| def mean(ary) | |
| ary.inject(0) { |sum, i| sum += i }/ary.length.to_f | |
| end | |
| def stddev(ary, mean) | |
| Math.sqrt( (ary.inject(0) { |dev, i| dev += (i - mean) ** 2}/ary.length.to_f) ) | |
| end | |
| uri = URI.parse(protocol + '://' + host + ':' + port.to_s + path) | |
| headers = {} | |
| threads = [] | |
| io = $stdout | |
| if defined? content_type and !content_type.nil? | |
| headers['Content-Type'] = content_type | |
| else | |
| headers['Content-Type'] = 'application/octet-stream' | |
| end | |
| if defined? content_encoding and !content_encoding.nil? | |
| headers['Content-Encoding'] = content_encoding | |
| end | |
| if headers['Content-Encoding'] == 'gzip' | |
| content = compress content | |
| end | |
| if defined? user and !user.nil? | |
| pass = '' unless defined? pass and !pass.nil? | |
| headers['Authorization'] = 'Basic ' + [user + ':' + pass].pack('m') | |
| end | |
| thread_count.times do | |
| threads << Thread.new do | |
| durations = [] | |
| total, successes, failures = 0, 0, 0 | |
| server = Net::HTTP.new(uri.host, uri.port, nil) # the nil here disables use of the configured HTTP_PROXY | |
| server.keep_alive_timeout = 60 | |
| server.use_ssl = uri.scheme == 'https' | |
| server.verify_mode = OpenSSL::SSL::VERIFY_NONE | |
| # uncomment following line to see http requests and responses printed to the console | |
| # server.set_debug_output $stderr | |
| request_count.times do | |
| payload = content | |
| durations << Benchmark.realtime do | |
| begin | |
| response = server.post(uri.request_uri, payload, headers) | |
| successes += 1 | |
| rescue => ex | |
| puts ex | |
| failures += 1 | |
| end | |
| end | |
| total += 1 | |
| end | |
| Thread.current[:durations] = durations | |
| Thread.current[:successes] = successes | |
| Thread.current[:failures] = failures | |
| Thread.current[:total] = total | |
| end | |
| end | |
| samples = [] | |
| total, successes, failures = 0, 0, 0 | |
| threads.each do |thread| | |
| thread.join | |
| samples << thread[:durations] | |
| total += thread[:total] | |
| successes += thread[:successes] | |
| failures += thread[:failures] | |
| end | |
| samples.flatten! | |
| average = mean(samples) | |
| deviation = stddev(samples, average) | |
| printf "%s HTTP response analysis: μ = %f s, σ = %f s, n = %d, successes = %d, failures = %d", uri, average, deviation, total, successes, failures | |
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