Module: Tracebin::Agent

Defined in:
lib/tracebin/agent.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.config ⇒ Object

Returns the value of attribute config.



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# File 'lib/tracebin/agent.rb', line 13

def config
  @config
end

.logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/tracebin/agent.rb', line 13

def logger
  @logger
end

.storage ⇒ Object

Returns the value of attribute storage.



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# File 'lib/tracebin/agent.rb', line 13

def storage
  @storage
end

Class Method Details

.child_process_started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tracebin/agent.rb', line 83

def child_process_started?
  @child_process_started
end

.configure {|config| ... } ⇒ Object

Yields:



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# File 'lib/tracebin/agent.rb', line 126

def self.configure
  yield config
end

.init_logger ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 87

def init_logger
  if defined? ::Rails
    @logger = ::Rails.logger
  else
    @logger ||= Logger.new(STDOUT)
    @logger.level = log_level
  end

  @logger
end

.init_storage ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 109

def init_storage
  @storage = ::Tracebin::Storage.new
end

.log_level ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 98

def log_level
  case config.log_level.downcase
  when 'debug' then Logger::DEBUG
  when 'info' then Logger::INFO
  when 'warn' then Logger::WARN
  when 'error' then Logger::ERROR
  when 'fatal' then Logger::FATAL
  else Logger::INFO
  end
end

.parent_process_started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tracebin/agent.rb', line 79

def parent_process_started?
  @parent_process_started
end

.reset ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 122

def self.reset
  @config = Config.new
end

.start_child_process ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 34

def start_child_process
  return if child_process_started? || !config.enabled

  logger.info "TRACEBIN: Starting Tracebin child process..."
  init_storage

  @child_process_reporter = Reporter.new
  @child_process_reporter.start!

  @child_process_started = true
  logger.info "TRACEBIN: Tracebin child process started!"
rescue => e
  logger.info "TRACEBIN: Error occurred while trying to start child process: #{e.message}"
end

.start_parent_process ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 15

def start_parent_process
  return if parent_process_started? || !config.enabled

  logger.info "TRACEBIN: Starting Tracebin parent process..."
  init_storage

  @subscribers = Subscribers.new
  @health_monitor = HealthMonitor.start
  @worker_process_monitor = WorkerProcessMonitor.start

  @parent_process_reporter = Reporter.new
  @parent_process_reporter.start!

  @parent_process_started = true
  logger.info "TRACEBIN: Tracebin parent process started!"
rescue => e
  logger.info "TRACEBIN: Error occurred while trying to start parent process: #{e.message}"
end

.stop_child_processes ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 65

def stop_child_processes
  return unless child_process_started?

  logger.info "TRACEBIN: Shutting down child process..."

  @child_process_reporter.stop!

  storage.unload

  @child_process_started = false

  logger.info "TRACEBIN: Child process stopped!"
end

.stop_parent_process ⇒ Object 



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# File 'lib/tracebin/agent.rb', line 49

def stop_parent_process
  return unless parent_process_started?

  logger.info "TRACEBIN: Shutting down parent process..."

  @health_monitor.stop!
  @worker_process_monitor.stop!
  @parent_process_reporter.stop!

  storage.unload

  @parent_process_started = false

  logger.info "TRACEBIN: Parent process stopped!"
end