[MacPorts] #15528: ruby @1.8.6-p114 patch to get Ruby's Socket classes to work with getaddrinfo under 10.5.3

6 Jun 2008

      #15528: ruby @1.8.6-p114 patch to get Ruby's Socket classes to work with
getaddrinfo under 10.5.3
---------------------------------------------------+------------------------
 Reporter:  aguynamedryan+macports@gmail.com       |       Owner:  macports-tickets@lists.macosforge.org
     Type:  defect                                 |      Status:  new                                  
 Priority:  Normal                                 |   Milestone:  Port Bugs                            
Component:  ports                                  |     Version:  1.6.0                                
 Keywords:  ruby getaddrinfo 10.5.3 drb TCPServer  |  
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 Kurt Schrader posted in [http://www.ruby-forum.com/topic/154556 this
 thread], that after upgrading to Mac OS X 10.5.3 some calls to DRb fail
 with:
 {{{
 /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `initialize': getaddrinfo:
 nodename nor servname provided, or not known (SocketError)
 from /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `open'
 from /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `open_server'
 }}}

 It appears that Ruby's calls to {{{getaddrinfo}}} which pass {{{"0"}}} for
 the servname argument are now returning EAI_NONAME instead of 0, which
 causes ruby to raise a SocketError

 Andy Keep discovered that feeding {{{nil}}} in place of of {{{"0"}}} for
 the service number works:
 {{{
 irb(main):001:0> require 'socket'
 => true
 irb(main):011:0> Socket.getaddrinfo(Socket.gethostname, 0,
 Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME)
 SocketError: getaddrinfo: nodename nor servname provided, or not known
   from (irb):11:in `getaddrinfo'
   from (irb):11
   from :0
 irb(main):012:0> Socket.getaddrinfo(Socket.gethostname, nil,
 Socket::AF_INET, Socket::SOCK_STREAM, nil, Socket::AI_CANONNAME)
 => [["AF_INET", 0, "192.168.1.95", "192.168.1.95", 2, 1, 6]]
 }}}

 I have discovered that {{{TCPServer.open('localhost', 0)}}} also fails
 under 10.5.3 both in MacPorts and in the Ruby installation that ships with
 Mac OS X Leopard.

 I have very little socket programming experience, but I have made a patch
 that changes Socket's servname argument of "0" and replaces it with NULL
 before it is passed to getaddrinfo.

 I have no idea what unintended effects this might cause, but it seems to
 have cleared up my problems with DRb and TCPServer for the time being.

-- 
Ticket URL: <http://trac.macports.org/ticket/15528>
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