Class: SidekiqInsight::RequestMiddleware

Inherits:
Object
  • Object
show all
Defined in:
lib/sidekiq_insight/request_middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ RequestMiddleware

Returns a new instance of RequestMiddleware.



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# File 'lib/sidekiq_insight/request_middleware.rb', line 5

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/sidekiq_insight/request_middleware.rb', line 9

def call(env)
  # ---- BEFORE REQUEST ----
  pm_before   = GetProcessMem.new
  rss_before  = pm_before.mb * 1024.0
  cpu_before  = Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID)
  t_before    = Process.clock_gettime(Process::CLOCK_MONOTONIC)

  status, headers, body = @app.call(env)

  # ---- AFTER REQUEST ----
  t_after   = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  cpu_after = Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID)
  pm_after  = GetProcessMem.new
  rss_after = pm_after.mb * 1024.0

  req = Rack::Request.new(env)

  sample = {
    path: req.path,
    method: req.request_method,
    status: status,
    started_at: Time.now.utc.iso8601,
    wall_ms: (t_after - t_before) * 1000.0,
    cpu_ms: (cpu_after - cpu_before) * 1000.0,
    rss_kb: (rss_after - rss_before)
  }

  # 🚨 FIX — separate HTTP bucket
  SidekiqInsight.storage.push_sample("__http__#{req.path}", sample)

  [status, headers, body]
end