From: BH - Brad Coish <BCoish@...>
Date: 2004-05-19T01:23:35+09:00
Subject: [Help] Problem with SOCKET API on OpenVMS

Problem:
   TCP/IP socket routine(s) not functioning properly on OpenVMS.

Specifics:
   The Socket.gethostbyname routine does not return the proper
   values.  It's supposed to return an array filled with the
   canonical host name, sub-list of aliases, the connection family 
   and the address portion of the host sockaddr.

   When the addrinfo length is displayed, the length of the address is 
   16 bytes when it should only be 4 and the pointer to the list of network
   addresses (returned from the name server) is also incorrect.  

   Example:

      require 'socket'
      a = Socket.gethostbyname("216.87.136.211")
      p a

   Output :
      ["pragdave211.august.net", [], 2,"\000\002\000\000�W\210�\000\000\000\000\000\000\000"]
 
      Example of correct output from windows:
      ["pragdave211.august.net", [], 2, "\330W\210\323"]
    
   If in make_hostent I changed:
      for (ai = addr; ai; ai = ai->ai_next) {
         rb_ary_push(ary, (*ipaddr)(ai->ai_addr, ai->ai_addrlen));
      }
   to:
      for (ai = addr; ai; ai = ai->ai_next) {
         rb_ary_push(ary, (*ipaddr)(h->h_addr, h->h_length));
      }
   Then it works

Is there something that I'm missing?  Seems that the 'generic'
addrinfo class should have it's fields set by the values stored in the
hostent variable rather than ignored.  

Any help would be greatly appreciated.

Regards,
Brad 

**********************************************************

Brad Coish                   Junior Programmer            
Dymaxion Research Ltd.,      Bus: (902)422-1973 Ext.106
5515 Cogswell St.,           Fax: (902)421-1267                  
Halifax, Nova Scotia,        Internet: BCoish@dymaxion.com
Canada B3J 1R2              

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