RSpec
Ruby on Rails
Ruby
method
canonname
v2_2_9 -
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Class: Addrinfo
- 1_8_6_287
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foreach
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getaddrinfo
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ip
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new
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tcp
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udp
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unix
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afamily
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bind
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canonname
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connect
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family_addrinfo
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getnameinfo
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= private
= protected
canonname()
public
returns the canonical name as an string.
nil is returned if no canonical name.
The canonical name is set by Addrinfo.getaddrinfo when AI_CANONNAME is specified.
list = Addrinfo.getaddrinfo("www.ruby-lang.org", 80, :INET, :STREAM, nil, Socket::AI_CANONNAME) p list[0] #=> #<Addrinfo: 221.186.184.68:80 TCP carbon.ruby-lang.org (www.ruby-lang.org)> p list[0].canonname #=> "carbon.ruby-lang.org"
