Class: Metrics::Drivers::Statsd

Inherits:
Object
  • Object
show all
Defined in:
lib/metrics/drivers/statsd.rb

Direct Known Subclasses

DogStatsd

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client, template, source_prefix) ⇒ Statsd

Returns a new instance of Statsd.



5
6
7
8
9
 
# File 'lib/metrics/drivers/statsd.rb', line 5

def initialize(client, template, source_prefix)
  @client        = client        # The statsd client
  @template      = template      # The template for the metric name
  @source_prefix = source_prefix # Source prefix
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



3
4
5
 
# File 'lib/metrics/drivers/statsd.rb', line 3

def client
  @client
end

#source_prefix ⇒ Object (readonly)

Returns the value of attribute source_prefix.



3
4
5
 
# File 'lib/metrics/drivers/statsd.rb', line 3

def source_prefix
  @source_prefix
end

#template ⇒ Object (readonly)

Returns the value of attribute template.



3
4
5
 
# File 'lib/metrics/drivers/statsd.rb', line 3

def template
  @template
end

Instance Method Details

#emit(instrumenter) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/metrics/drivers/statsd.rb', line 18

def emit(instrumenter)
  name = name_for(instrumenter)
  value = instrumenter.value

  case instrumenter.type
  when 'histogram'
    client.histogram(name, value)
  when 'measure', 'sample'
    if instrumenter.units == 'ms'
      client.timing(name, value)
    else
      client.gauge(name, value)
    end
  when 'count'
    client.count(name, value)
  else
    raise ArgumentError.new("unsupported instrumenter type for statsd: '%s'" % instrumenter.type)
  end
end

#write(*instrumenters) ⇒ Object 



11
12
13
14
15
16
 
# File 'lib/metrics/drivers/statsd.rb', line 11

def write(*instrumenters)
  instrumenters.each do |instrumenter|
    emit(instrumenter)
  end
  instrumenters
end