Class: NewRelic::Agent::Threading::BacktraceNode

Inherits:
BacktraceBase show all
Includes:
Coerce
Defined in:
lib/new_relic/agent/threading/backtrace_node.rb

Instance Attribute Summary collapse

Attributes inherited from BacktraceBase

#children

Instance Method Summary collapse

Methods included from Coerce

boolean_int!, float, float!, int, int!, int_or_nil, log_failure, scalar, string, value_or_nil

Methods inherited from BacktraceBase

#add_child, #add_child_unless_present, #find_child

Constructor Details

#initialize(line) ⇒ BacktraceNode

Returns a new instance of BacktraceNode.



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

def initialize(line)
  super()
  @raw_line = line
  @children = []
  @runnable_count = 0
end

Instance Attribute Details

#as_array ⇒ Object (readonly)

Returns the value of attribute as_array.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 81

def as_array
  @as_array
end

#depth ⇒ Object

Returns the value of attribute depth.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 82

def depth
  @depth
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 81

def file
  @file
end

#line_no ⇒ Object (readonly)

Returns the value of attribute line_no.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 81

def line_no
  @line_no
end

#method ⇒ Object (readonly)

Returns the value of attribute method.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 81

def method
  @method
end

#raw_line ⇒ Object (readonly)

Returns the value of attribute raw_line.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 81

def raw_line
  @raw_line
end

#runnable_count ⇒ Object

Returns the value of attribute runnable_count.



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 82

def runnable_count
  @runnable_count
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 91

def ==(other)
  (
    @raw_line == other.raw_line &&
    @depth == other.depth &&
    @runnable_count == other.runnable_count
  )
end

#complete_array_conversion ⇒ Object 



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 105

def complete_array_conversion
  child_arrays = @children.map { |c| c.as_array }.compact

  file, method, line = parse_backtrace_frame(@raw_line)

  @as_array << [string(file), string(method), line ? int(line) : UNKNOWN_LINE_NUMBER]
  @as_array << int(@runnable_count)
  @as_array << 0
  @as_array << child_arrays
end

#dump_string(indent = 0) ⇒ Object 



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 116

def dump_string(indent = 0)
  @file, @method, @line_no = parse_backtrace_frame(@raw_line)
  indentation = ' ' * indent
  result = +"#{indentation}#<BacktraceNode:#{object_id} ) + \
                      [#{@runnable_count}] #{@file}:#{@line_no} in #{@method}>"
  child_results = @children.map { |c| c.dump_string(indent + 2) }.join("\n")
  result << "\n" unless child_results.empty?
  result << child_results
end

#mark_for_array_conversion ⇒ Object 



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 99

def mark_for_array_conversion
  @as_array = []
end

#parse_backtrace_frame(frame) ⇒ Object

Returns [filename, method, line number]



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# File 'lib/new_relic/agent/threading/backtrace_node.rb', line 127

def parse_backtrace_frame(frame)
  frame =~ /([^:]*)(\:(\d+))?\:in `(.*)'/
  [$1, $4, $3] # sic
end