Module: Sleuth

Defined in:
lib/sleuth.rb,
lib/sleuth/middleware.rb,
lib/sleuth/transaction.rb,
lib/sleuth/outbound_handler.rb

Defined Under Namespace

Classes: Event, Middleware, OutboundHeader, Transaction

Constant Summary collapse

TRANSACTION_HEADER = 
"X_SLEUTH_TRANSACTION"

Class Method Summary collapse

Class Method Details

.current_id ⇒ Object 



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# File 'lib/sleuth.rb', line 34

def current_id
  ActiveSupport::Notifications.transaction_id
end

.current_transaction ⇒ Object 



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# File 'lib/sleuth.rb', line 38

def current_transaction
  Transaction.running[current_id]
end

.http ⇒ Object 



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# File 'lib/sleuth.rb', line 14

def http
  @http ||= Rack::Client.new {
    use OutboundHeader
  }
end

.instrument(payload) ⇒ Object 



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# File 'lib/sleuth.rb', line 20

def instrument(payload)
  ActiveSupport::Notifications.instrument(:sleuth, payload) do
    yield
  end
end

.transaction(current_name, parent = nil) ⇒ Object 



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# File 'lib/sleuth.rb', line 26

def transaction(current_name, parent = nil)
  ActiveSupport::Notifications.transaction do
    Transaction.create(current_name, current_id, parent)

    yield
  end
end

.watch(log_path) ⇒ Object 



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# File 'lib/sleuth.rb', line 42

def watch(log_path)
  logger = ActiveSupport::BufferedLogger.new(log_path)
  ActiveSupport::Notifications.subscribe('sleuth') do |*args|
    logger.debug(Transaction.message_for(*args))
  end
end