Class: Bugstack::Deduplicator

Inherits:
Object
  • Object
show all
Defined in:
lib/bugstack/fingerprint.rb

Overview

Client-side error deduplicator. Prevents the same error (by fingerprint) from being reported more than once within a configurable time window.

Instance Method Summary collapse

Constructor Details

#initialize(window: 300.0) ⇒ Deduplicator

Returns a new instance of Deduplicator.



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# File 'lib/bugstack/fingerprint.rb', line 62

def initialize(window: 300.0)
  @cache = {}
  @window = window
  @mutex = Mutex.new
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/bugstack/fingerprint.rb', line 87

def clear
  @mutex.synchronize { @cache.clear }
end

#should_send?(fingerprint) ⇒ Boolean

Check if an error should be sent. Thread-safe.

Parameters:

  • fingerprint (String)

Returns:

  • (Boolean) 


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# File 'lib/bugstack/fingerprint.rb', line 72

def should_send?(fingerprint)
  now = Process.clock_gettime(Process::CLOCK_MONOTONIC)

  @mutex.synchronize do
    last_sent = @cache[fingerprint]
    if last_sent && (now - last_sent) < @window
      return false
    end

    @cache[fingerprint] = now
    cleanup(now)
    true
  end
end