Class: LogBench::Log::File

Inherits:
Object
  • Object
show all
Defined in:
lib/log_bench/log/file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ File

Returns a new instance of File.



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# File 'lib/log_bench/log/file.rb', line 8

def initialize(path)
  self.path = find_log_file(path)
  self.last_position = 0
  validate!
end

Instance Attribute Details

#last_position ⇒ Object

Returns the value of attribute last_position.



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# File 'lib/log_bench/log/file.rb', line 6

def last_position
  @last_position
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/log_bench/log/file.rb', line 6

def path
  @path
end

Instance Method Details

#collection ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 22

def collection
  @collection ||= Collection.new(lines)
end

#entries ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 18

def entries
  collection.entries
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/log_bench/log/file.rb', line 60

def exist?
  ::File.exist?(path)
end

#lines ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 26

def lines
  @lines ||= read_lines
end

#mtime ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 64

def mtime
  ::File.mtime(path)
end

#reload! ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 30

def reload!
  self.lines = nil
  self.collection = nil
  self.last_position = 0
end

#requests ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 14

def requests
  collection.requests
end

#size ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 56

def size
  ::File.size(path)
end

#tail(max_lines = 1000) ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 36

def tail(max_lines = 1000)
  all_lines = read_lines
  recent_lines = all_lines.last(max_lines)
  Collection.new(recent_lines)
end

#watch(&block) ⇒ Object 



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# File 'lib/log_bench/log/file.rb', line 42

def watch(&block)
  return enum_for(:watch) unless block_given?

  loop do
    new_lines = read_new_lines
    next if new_lines.empty?

    new_collection = Collection.new(new_lines)
    yield new_collection unless new_collection.empty?

    sleep 0.5
  end
end