Class: Log4rExceptionable::RackFailureHandler
- Inherits:
-
Object
- Object
- Log4rExceptionable::RackFailureHandler
- Includes:
- Helper
- Defined in:
- lib/log4r-exceptionable/rack_failure_handler.rb
Overview
A rack middleware handler that logs exceptions with log4r
Instance Attribute Summary collapse
-
#args ⇒ Object
readonly
Returns the value of attribute args.
Instance Method Summary collapse
- #_call(env) ⇒ Object
- #call(env) ⇒ Object
-
#initialize(app, opts = {}) ⇒ RackFailureHandler
constructor
A new instance of RackFailureHandler.
- #send_to_log4r(exception, env = nil) ⇒ Object
Methods included from Helper
#add_context, #log_with_context
Constructor Details
#initialize(app, opts = {}) ⇒ RackFailureHandler
Returns a new instance of RackFailureHandler.
12 13 14 |
# File 'lib/log4r-exceptionable/rack_failure_handler.rb', line 12 def initialize(app, opts = {}) @app = app end |
Instance Attribute Details
#args ⇒ Object (readonly)
Returns the value of attribute args.
10 11 12 |
# File 'lib/log4r-exceptionable/rack_failure_handler.rb', line 10 def args @args end |
Instance Method Details
#_call(env) ⇒ Object
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 |
# File 'lib/log4r-exceptionable/rack_failure_handler.rb', line 21 def _call(env) begin # Call the app we are monitoring response = @app.call(env) rescue => exception # An exception has been raised. Send to log4r send_to_log4r(exception, env) # Raise the exception again to pass back to app. raise end if env['rack.exception'] send_to_log4r(env['rack.exception'], env) end response end |
#call(env) ⇒ Object
16 17 18 19 |
# File 'lib/log4r-exceptionable/rack_failure_handler.rb', line 16 def call(env) # Make thread safe dup._call(env) end |
#send_to_log4r(exception, env = nil) ⇒ Object
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 |
# File 'lib/log4r-exceptionable/rack_failure_handler.rb', line 40 def send_to_log4r(exception, env=nil) log_with_context do |context| # add rack env to context so our logger can report with that data if env and env.size > 0 env.each do |k, v| begin add_context(context, "rack_env_#{k}", v) rescue => e $stderr.puts "Log4r Exceptionable could not extract a rack env item: " + e. end end end # Determine exception source class if possible, and use its logger if configured to do so. error_logger = nil if Log4rExceptionable::Configuration.use_source_logger controller = env['action_controller.instance'] if controller && controller.respond_to?(:logger) && controller.logger.instance_of?(Log4r::Logger) error_logger = controller.logger begin add_context(context, "rack_controller_name", controller.controller_name) add_context(context, "rack_action_name", controller.action_name) rescue => e $stderr.puts "Log4r Exceptionable could not extract controller names: " + e. end elsif env['rack.logger'] && env['rack.logger'].instance_of?(Log4r::Logger) error_logger = env['rack.logger'] end end error_logger ||= Log4rExceptionable::Configuration.rack_failure_logger error_logger.send(Log4rExceptionable::Configuration.log_level, exception) end end |