Class: HTTPX::Resolver::System

Inherits:
Object
  • Object
show all
Includes:
ResolverMixin
Defined in:
lib/httpx/resolver/system.rb

Constant Summary collapse

RESOLV_ERRORS = 
[Resolv::ResolvError,
Resolv::DNS::Requester::RequestError,
Resolv::DNS::EncodeError,
Resolv::DNS::DecodeError].freeze

Constants included from ResolverMixin

ResolverMixin::CHECK_IF_IP

Constants included from Loggable

Loggable::COLORS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Loggable

#log, #log_exception

Methods included from Callbacks

#emit, #on, #once, #only

Constructor Details

#initialize(options) ⇒ System

Returns a new instance of System.



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# File 'lib/httpx/resolver/system.rb', line 17

def initialize(options)
  @options = Options.new(options)
  @resolver_options = @options.resolver_options
  @state = :idle
  resolv_options = @resolver_options.dup
  timeouts = resolv_options.delete(:timeouts)
  resolv_options.delete(:cache)
  @resolver = Resolv::DNS.new(resolv_options.empty? ? nil : resolv_options)
  @resolver.timeouts = timeouts || Resolver::RESOLVE_TIMEOUT
end

Instance Attribute Details

#state ⇒ Object (readonly)

Returns the value of attribute state.



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# File 'lib/httpx/resolver/system.rb', line 15

def state
  @state
end

Instance Method Details

#<<(connection) ⇒ Object 



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# File 'lib/httpx/resolver/system.rb', line 36

def <<(connection)
  hostname = connection.origin.host
  addresses = connection.addresses ||
              ip_resolve(hostname) ||
              system_resolve(hostname) ||
              @resolver.getaddresses(hostname)
  throw(:resolve_error, resolve_error(hostname)) if addresses.empty?

  emit_addresses(connection, addresses)
rescue Errno::EHOSTUNREACH, *RESOLV_ERRORS => e
  emit_resolve_error(connection, hostname, e)
end

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/httpx/resolver/system.rb', line 28

def closed?
  true
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/httpx/resolver/system.rb', line 32

def empty?
  true
end

#uncache ⇒ Object 



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# File 'lib/httpx/resolver/system.rb', line 49

def uncache(*); end