Class: NewRelic::Agent::TransactionInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/new_relic/agent/transaction_info.rb

Constant Summary collapse

DEFAULT_TRANSACTION_NAME = 
'(unknown)'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TransactionInfo

Returns a new instance of TransactionInfo.



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# File 'lib/new_relic/agent/transaction_info.rb', line 12

def initialize
  @guid = ""
  @transaction_name = nil
  @start_time = Time.now
  @ignore_end_user = false
end

Instance Attribute Details

#capture_deep_tt ⇒ Object

Returns the value of attribute capture_deep_tt.



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# File 'lib/new_relic/agent/transaction_info.rb', line 8

def capture_deep_tt
  @capture_deep_tt
end

#start_time ⇒ Object (readonly)

Returns the value of attribute start_time.



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# File 'lib/new_relic/agent/transaction_info.rb', line 10

def start_time
  @start_time
end

#token ⇒ Object

Returns the value of attribute token.



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# File 'lib/new_relic/agent/transaction_info.rb', line 8

def token
  @token
end

#transaction_name ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 23

def transaction_name
  @transaction_name || DEFAULT_TRANSACTION_NAME
end

Class Method Details

.clear ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 78

def self.clear
  Thread.current[:newrelic_transaction_info] = nil
end

.get ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 70

def self.get()
  Thread.current[:newrelic_transaction_info] ||= TransactionInfo.new
end

.get_token(request) ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 90

def self.get_token(request)
  return nil unless request

  agent_flag = request.cookies['NRAGENT']
  if agent_flag and agent_flag.instance_of? String
    s = agent_flag.split("=")
    if s.length == 2
      if s[0] == "tk" && s[1]
        ERB::Util.h(sanitize_token(s[1]))
      end
    end
  else
    nil
  end
end

.reset(request = nil) ⇒ Object

clears any existing transaction info object and initializes a new one. This starts the timer for the transaction.



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# File 'lib/new_relic/agent/transaction_info.rb', line 84

def self.reset(request=nil)
  clear
  instance = get
  instance.token = get_token(request)
end

.sanitize_token(token) ⇒ Object

Run through a collection of unsafe characters ( in the context of the token ) and set the token to an empty string if any of them are found in the token so that potential XSS attacks via the token are avoided



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# File 'lib/new_relic/agent/transaction_info.rb', line 109

def self.sanitize_token(token)

  if ( /[<>'"]/ =~ token )
    token.replace("")
  end
  token
end

.set(instance) ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 74

def self.set(instance)
  Thread.current[:newrelic_transaction_info] = instance
end

Instance Method Details

#apdex_t ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 55

def apdex_t
  (Agent.config[:web_transactions_apdex] &&
   Agent.config[:web_transactions_apdex][@transaction_name]) ||
    Agent.config[:apdex_t]
end

#duration ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 43

def duration
  Time.now - start_time
end

#force_persist_sample?(sample) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction_info.rb', line 27

def force_persist_sample?(sample)
  token && sample.duration > Agent.config[:apdex_t]
end

#guid ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 35

def guid
  @guid
end

#guid=(value) ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 39

def guid=(value)
  @guid = value
end

#ignore_end_user=(value) ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 51

def ignore_end_user=(value)
  @ignore_end_user = value
end

#ignore_end_user? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction_info.rb', line 47

def ignore_end_user?
  @ignore_end_user
end

#include_guid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction_info.rb', line 31

def include_guid?
  token && duration > Agent.config[:apdex_t]
end

#transaction_name_set? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction_info.rb', line 19

def transaction_name_set?
  !@transaction_name.nil?
end

#transaction_trace_threshold ⇒ Object 



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# File 'lib/new_relic/agent/transaction_info.rb', line 61

def transaction_trace_threshold
  key = :'transaction_tracer.transaction_threshold'
  if Agent.config.source(key).class == Configuration::DefaultSource
    apdex_t * 4
  else
    Agent.config[key]
  end
end