Class: Rails::Rack::Logger
Relationships & Source Files | |
Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
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Instance Chain:
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Inherits: |
ActiveSupport::LogSubscriber
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Defined in: | railties/lib/rails/rack/logger.rb |
Overview
Sets log tags, logs the request, calls the app, and flushes the logs.
Log tags (taggers
) can be an ::Array
containing: methods that the request
object responds to, objects that respond to to_s
or Proc objects that accept an instance of the request
object.
Constant Summary
::ActiveSupport::LogSubscriber
- Inherited
BLACK, BLUE, CYAN, GREEN, LEVEL_CHECKS, MAGENTA, MODES, RED, WHITE, YELLOW
Class Attribute Summary
::ActiveSupport::LogSubscriber
- Inherited
::ActiveSupport::Subscriber
- Inherited
Class Method Summary
- .new(app, taggers = nil) ⇒ Logger constructor
::ActiveSupport::LogSubscriber
- Inherited
.attach_to, | |
.flush_all! | Flush all log_subscribers’ logger. |
.log_subscribers, .new, .fetch_public_methods, .set_event_levels, .subscribe_log_level |
::ActiveSupport::Subscriber
- Inherited
.attach_to | Attach the subscriber to a namespace. |
.detach_from | Detach the subscriber from a namespace. |
.method_added | Adds event subscribers for all new methods added to the class. |
.new, .subscribers, .add_event_subscriber, .fetch_public_methods, .find_attached_subscriber, .invalid_event?, .pattern_subscribed?, .prepare_pattern, .remove_event_subscriber |
Instance Attribute Summary
::ActiveSupport::LogSubscriber
- Inherited
::ActiveSupport::Subscriber
- Inherited
Instance Method Summary
- #call(env)
- #call_app(request, env) private
- #compute_tags(request) private
- #finish_request_instrumentation(handle, logger_tag_pop_count) private
- #logger private
-
#started_request_message(request)
private
Started GET “/session/new” for 127.0.0.1 at 2012-09-26 14:51:42 -0700.
::ActiveSupport::LogSubscriber
- Inherited
#call, #logger, #publish_event, #silenced?, | |
#color | Set color by using a symbol or one of the defined constants. |
#log_exception, #mode_from |
::ActiveSupport::Subscriber
- Inherited
Constructor Details
.new(app, taggers = nil) ⇒ Logger
# File 'railties/lib/rails/rack/logger.rb', line 15
def initialize(app, taggers = nil) @app = app @taggers = taggers || [] end
Instance Method Details
#call(env)
[ GitHub ]#call_app(request, env) (private)
[ GitHub ]# File 'railties/lib/rails/rack/logger.rb', line 33
def call_app(request, env) # :doc: logger_tag_pop_count = env["rails.rack_logger_tag_count"] instrumenter = ActiveSupport::Notifications.instrumenter handle = instrumenter.build_handle("request.action_dispatch", { request: request }) handle.start logger.info { (request) } status, headers, body = response = @app.call(env) body = ::Rack::BodyProxy.new(body) { finish_request_instrumentation(handle, logger_tag_pop_count) } if response.frozen? [status, headers, body] else response[2] = body response end rescue Exception finish_request_instrumentation(handle, logger_tag_pop_count) raise end
#compute_tags(request) (private)
[ GitHub ]#finish_request_instrumentation(handle, logger_tag_pop_count) (private)
[ GitHub ]# File 'railties/lib/rails/rack/logger.rb', line 81
def finish_request_instrumentation(handle, logger_tag_pop_count) handle.finish logger. (logger_tag_pop_count) if logger.respond_to?(: ) && logger_tag_pop_count > 0 ActiveSupport::LogSubscriber.flush_all! end
#logger (private)
[ GitHub ]#started_request_message(request) (private)
Started GET “/session/new” for 127.0.0.1 at 2012-09-26 14:51:42 -0700
# File 'railties/lib/rails/rack/logger.rb', line 56
def (request) # :doc: sprintf('Started %s "%s" for %s at %s', request.raw_request_method, request.filtered_path, request.remote_ip, Time.now) end