Class: Statsig::Network

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/network.rb

Instance Method Summary collapse

Constructor Details

#initialize(server_secret, options, backoff_mult = 10) ⇒ Network

Returns a new instance of Network.



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# File 'lib/network.rb', line 25

def initialize(server_secret, options, backoff_mult = 10)
  super()
  api = options.api_url_base
  unless api.end_with?('/')
    api += '/'
  end
  @server_secret = server_secret
  @api = api
  @local_mode = options.local_mode
  @timeout = options.network_timeout
  @backoff_multiplier = backoff_mult
  @post_logs_retry_backoff = options.post_logs_retry_backoff
  @post_logs_retry_limit = options.post_logs_retry_limit
  @session_id = SecureRandom.uuid
end

Instance Method Details

#check_gate(user, gate_name) ⇒ Object 



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# File 'lib/network.rb', line 85

def check_gate(user, gate_name)
  begin
    request_body = JSON.generate({ 'user' => user&.serialize(false), 'gateName' => gate_name })
    response, _ = post_helper('check_gate', request_body)
    return JSON.parse(response.body) unless response.nil?
    false
  rescue
    return false
  end
end

#get_config(user, dynamic_config_name) ⇒ Object 



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# File 'lib/network.rb', line 96

def get_config(user, dynamic_config_name)
  begin
    request_body = JSON.generate({ 'user' => user&.serialize(false), 'configName' => dynamic_config_name })
    response, _ = post_helper('get_config', request_body)
    return JSON.parse(response.body) unless response.nil?
    nil
  rescue
    return nil
  end
end

#post_helper(endpoint, body, retries = 0, backoff = 1) ⇒ Object 



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# File 'lib/network.rb', line 44

def post_helper(endpoint, body, retries = 0, backoff = 1)
  if @local_mode
    return nil, nil
  end

  meta = Statsig.get_statsig_metadata
  http = HTTP.headers(
    {
      "STATSIG-API-KEY" => @server_secret,
      "STATSIG-CLIENT-TIME" => (Time.now.to_f * 1000).to_i.to_s,
      "STATSIG-SERVER-SESSION-ID" => @session_id,
      "Content-Type" => "application/json; charset=UTF-8",
      "STATSIG-SDK-TYPE" => meta['sdkType'],
      "STATSIG-SDK-VERSION" => meta['sdkVersion'],
    }).accept(:json)
  if @timeout
    http = http.timeout(@timeout)
  end
  backoff_adjusted = backoff > 10 ? backoff += Random.rand(10) : backoff # to deter overlap
  if @post_logs_retry_backoff
    if @post_logs_retry_backoff.is_a? Integer
      backoff_adjusted = @post_logs_retry_backoff
    else
      backoff_adjusted = @post_logs_retry_backoff.call(retries)
    end
  end
  begin
    res = http.post(@api + endpoint, body: body)
  rescue StandardError => e
    ## network error retry
    return nil, e unless retries > 0
    sleep backoff_adjusted
    return post_helper(endpoint, body, retries - 1, backoff * @backoff_multiplier)
  end
  return res, nil if res.status.success?
  return nil, NetworkError.new("Got an exception when making request to #{@api + endpoint}: #{res.to_s}", res.status.to_i) unless retries > 0 && $retry_codes.include?(res.code)
  ## status code retry
  sleep backoff_adjusted
  post_helper(endpoint, body, retries - 1, backoff * @backoff_multiplier)
end

#post_logs(events) ⇒ Object 



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# File 'lib/network.rb', line 107

def post_logs(events)
  begin
    json_body = JSON.generate({ 'events' => events, 'statsigMetadata' => Statsig.get_statsig_metadata })
    post_helper('log_event', json_body, @post_logs_retry_limit)
  rescue
  end
end