Class: StackifyRubyAPM::Middleware Private
- Inherits:
-
Object
- Object
- StackifyRubyAPM::Middleware
- Defined in:
- lib/stackify_apm/middleware.rb
This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.
Constant Summary collapse
- CONTENT_TYPE_REGEX =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
%r{text\/html|application\/xhtml\+xml/}
- CONTENT_DISPOSITION =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
'Content-Disposition'.freeze
- ATTACHMENT =
This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.
'attachment'.freeze
Instance Attribute Summary collapse
- #configuration ⇒ Object private
- #rack_body ⇒ Object private
- #rack_headers ⇒ Object private
- #rack_status ⇒ Object private
Instance Method Summary collapse
- #attachment? ⇒ Boolean private
-
#build_transaction(env) ⇒ Object
private
Start of transaction building with params: name, type, context.
-
#call(env) ⇒ Object
private
This is where the requests are received, built into a transaction, and then submitted.
- #config ⇒ Object private
-
#initialize(app) ⇒ Middleware
constructor
private
A new instance of Middleware.
- #modifiable_content_type? ⇒ Boolean private
- #okay_to_modify? ⇒ Boolean private
- #running? ⇒ Boolean private
- #streaming?(env) ⇒ Boolean private
-
#submit_transaction(transaction, status, headers, _body) ⇒ Object
private
rubocop:enable Metrics/PerceivedComplexity rubocop:enable Metrics/CyclomaticComplexity.
- #xhr? ⇒ Boolean private
Constructor Details
#initialize(app) ⇒ Middleware
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Returns a new instance of Middleware.
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# File 'lib/stackify_apm/middleware.rb', line 32 def initialize(app) @app = app end |
Instance Attribute Details
#configuration ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 26 def configuration @configuration end |
#rack_body ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 26 def rack_body @rack_body end |
#rack_headers ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 26 def rack_headers @rack_headers end |
#rack_status ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 26 def rack_status @rack_status end |
Instance Method Details
#attachment? ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 116 def @rack_headers[CONTENT_DISPOSITION] && @rack_headers[CONTENT_DISPOSITION].include?(ATTACHMENT) end |
#build_transaction(env) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Start of transaction building with params: name, type, context
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# File 'lib/stackify_apm/middleware.rb', line 92 def build_transaction(env) StackifyRubyAPM.transaction 'Rack', 'request', context: StackifyRubyAPM.build_context(env) end |
#call(env) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
This is where the requests are received, built into a transaction, and then submitted
rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/PerceivedComplexity
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# File 'lib/stackify_apm/middleware.rb', line 40 def call(env) begin transaction = build_transaction(env) if running? resp = @app.call env @rack_status = resp[0].to_i @rack_headers = resp[1] @rack_body = resp[2] @configuration = config response_manupulate = StackifyRubyAPM::ResponseManipulator.new(env, resp, @configuration) if okay_to_modify? @configuration.already_instrumented_flag = true if StackifyRubyAPM.rum_script_inject resp else if @configuration.rum_auto_injection response_string = response_manupulate.call_manipulate end if response_string response = Rack::Response.new(response_string, @rack_status, @rack_headers) resp = response.finish else resp end end else resp end submit_transaction(transaction, *resp) if transaction rescue InternalError raise # Don't report StackifyRubyAPM errors rescue StandardError transaction.submit('500', status: 500) if transaction raise ensure transaction.release if transaction end resp end |
#config ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 100 def config StackifyRubyAPM.agent.config end |
#modifiable_content_type? ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 112 def modifiable_content_type? @rack_headers['Content-Type'] =~ self.class::CONTENT_TYPE_REGEX end |
#okay_to_modify? ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 104 def okay_to_modify? return false if xhr? return false unless modifiable_content_type? return false if @rack_status == 404 || @rack_status == 501 return false if true end |
#running? ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 96 def running? StackifyRubyAPM.running? end |
#streaming?(env) ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 120 def streaming?(env) return false unless defined?(ActionController::Live) env['action_controller.instance'].class.included_modules.include?(ActionController::Live) end |
#submit_transaction(transaction, status, headers, _body) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
rubocop:enable Metrics/PerceivedComplexity rubocop:enable Metrics/CyclomaticComplexity
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# File 'lib/stackify_apm/middleware.rb', line 85 def submit_transaction(transaction, status, headers, _body) result = status.to_i transaction.submit(result, status: status, headers: headers) end |
#xhr? ⇒ Boolean
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/stackify_apm/middleware.rb', line 126 def xhr? @rack_headers['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest' end |