Class: NewRelic::Agent::HTTPClients::EthonHTTPRequest

Inherits:
AbstractRequest show all
Defined in:
lib/new_relic/agent/http_clients/ethon_wrappers.rb

Constant Summary collapse

DEFAULT_ACTION = 
'GET'
DEFAULT_HOST = 
'UNKNOWN_HOST'
ETHON = 
'Ethon'
LHOST = 
'host'.freeze
UHOST = 
'Host'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(easy) ⇒ EthonHTTPRequest

Returns a new instance of EthonHTTPRequest.



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 48

def initialize(easy)
  @easy = easy
  @uri = uri_from_easy
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 40

def uri
  @uri
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 105

def [](key)
  headers[key]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 88

def []=(key, value)
  headers[key] = value
  @easy.headers = headers
end

#action_instance_var ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 84

def action_instance_var
  NewRelic::Agent::Instrumentation::Ethon::Easy::ACTION_INSTANCE_VAR
end

#headers ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 93

def headers
  @headers ||= if @easy.instance_variable_defined?(headers_instance_var)
    @easy.instance_variable_get(headers_instance_var)
  else
    {}
  end
end

#headers_instance_var ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 101

def headers_instance_var
  NewRelic::Agent::Instrumentation::Ethon::Easy::HEADERS_INSTANCE_VAR
end

#host ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 74

def host
  host_from_header || uri.host&.downcase || DEFAULT_HOST
end

#host_from_header ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 57

def host_from_header
  self[LHOST] || self[UHOST]
end

#method ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 78

def method
  return DEFAULT_ACTION unless @easy.instance_variable_defined?(action_instance_var)

  @easy.instance_variable_get(action_instance_var)
end

#type ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 53

def type
  ETHON
end

#uri_from_easy ⇒ Object 



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# File 'lib/new_relic/agent/http_clients/ethon_wrappers.rb', line 61

def uri_from_easy
  # anticipate `Ethon::Easy#url` being `example.com` without a protocol
  # defined and use an 'http' protocol prefix for `URI.parse` to work
  # with the URL as desired
  url_str = @easy.url.match?(':') ? @easy.url : "http://#{@easy.url}"
  begin
    URI.parse(url_str)
  rescue URI::InvalidURIError => e
    NewRelic::Agent.logger.debug("Failed to parse URI '#{url_str}': #{e.class} - #{e.message}")
    URI.parse(NewRelic::EMPTY_STR)
  end
end