Class: Napa::Middleware::RequestStats
- Inherits:
-
Object
- Object
- Napa::Middleware::RequestStats
- Defined in:
- lib/napa/middleware/request_stats.rb
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ RequestStats
constructor
A new instance of RequestStats.
- #normalize_path(path) ⇒ Object
Constructor Details
#initialize(app) ⇒ RequestStats
Returns a new instance of RequestStats.
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# File 'lib/napa/middleware/request_stats.rb', line 4 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/napa/middleware/request_stats.rb', line 17 def call(env) # Mark the request time start = Time.now # Process the request status, headers, body = @app.call(env) # Mark the response time stop = Time.now # Calculate total response time response_time = (stop - start) * 1000 request = Rack::Request.new(env) path = normalize_path(request.path_info) # Emit stats to StatsD Napa::Stats.emitter.timing('response_time', response_time) Napa::Stats.emitter.timing("path.#{Napa::Stats.path_to_key(request.request_method, path)}.response_time", response_time) # Return the results [status, headers, body] end |
#normalize_path(path) ⇒ Object
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# File 'lib/napa/middleware/request_stats.rb', line 8 def normalize_path(path) case when path == '/' 'root' else path.start_with?('/') ? path[1..-1] : path end end |