Forum: Ruby-dev Bug #7311 DRb test suite fails when hostname cannot be reached

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hostname$B$,@_Dj$5$l$F$$$F$=$3$K<+?H$+$i(BIP$B$,FO$+$J$$%1!<%9$G(B
dRuby$B$N%F%9%H$,<:GT$9$k$H$N$3$H$G$9!#(B($B$?$V$s(B)

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$B%1!<%9$r$I$&:F8=$7$F$h$$$N$+$bJ,$+$j$^$;$s!#(B

$B$I$&$9$k$Y$-$G$7$g$&!#$I$J$?$+0U8+$r$$$?$@$1$^$;$s$+!)(B

(1) $BBP1~$9$kI,MW$O$J$$(B
(2) $BBP1~$9$k$Y$-(B
 (2-a) $BBP1~$9$k$J$i%F%9%H=q$1$h$J!)(B
 (2-b) $BBP1~$7$F$b%F%9%H$O$+$s$Y$s$7$F$d$k!#(B



===================================================================
--- lib/drb/drb.rb  (revision 39300)
+++ lib/drb/drb.rb  (working copy)
@@ -844,6 +844,9 @@
     def self.getservername
       host = Socket::gethostname
       begin
+        raise unless Socket::ip_address_list.detect {|i|
+          i.ip_address == Addrinfo.ip(host).ip_address
+        }
         Socket::gethostbyname(host)[0]
       rescue
         'localhost'

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2013$BG/(B2$B7n(B19$BF|(B 0:39 Masatoshi SEKI 
<m_seki@mva.biglobe.ne.jp>:

> hostname$B$,@_Dj$5$l$F$$$F$=$3$K<+?H$+$i(BIP$B$,FO$+$J$$%1!<%9$G(B
> dRuby$B$N%F%9%H$,<:GT$9$k$H$N$3$H$G$9!#(B($B$?$V$s(B)
>
> $B;d$O!"$3$N>u67$KBP1~$9$k$Y$-$+$I$&$+LB$C$F$$$^$9!#(B

> $B$I$&$9$k$Y$-$G$7$g$&!#$I$J$?$+0U8+$r$$$?$@$1$^$;$s$+!)(B
>
> (1) $BBP1~$9$kI,MW$O$J$$(B
> (2) $BBP1~$9$k$Y$-(B

$B$A$g$C$HD4$Y$?$s$G$9$,!"BP1~$9$Y$-$+$I$&$+$K$D$$$F$O(B
$B$I$A$i$G$bM}M3$r$D$1$i$l$k$h$&$J5$$,$7$^$9!#(B

$BBP1~$9$kI,MW$O$J$$(B:
  gethostname $B$O(B 4.2BSD $B$GF3F~$5$l$?$b$N$G!"$=$b$=$b:G=i$+$i(B
  gethostbyname $B$G$-$k$3$H$,A[Dj$5$l$F$$$k!#(B
  $B$7$?$,$C$F!"(Bgethostbyname ($B8=:_$J$i(B getaddrinfo) 
$B$G$-$J$$$h$&$J4D6-$,0-$$!#(B

$BBP1~$9$k$Y$-(B:
  $B%[%9%H$N(B IP 
$B%"%I%l%9$O%+!<%M%kFb$N%M%C%H%o!<%/%$%s%?!<%U%'!<%9$N@_Dj$J$N$KBP$7!"(B
  getaddrinfo $B$GD4$Y$i$l$k$N$O(B /etc/hosts $B$d(B DNS 
$B%5!<%P$N@_Dj$G$"$C$F!"(B
  $B0[$J$k@_Dj$G7h$^$k>pJs$J$N$G?)$$0c$&2DG=@-$O>o$K$"$k!#(B
  DHCP $B$NIa5Z$K$h$C$F(B IP 
$B%"%I%l%9$,8GDj$G$J$$$3$H$bEv$?$jA0$K$J$C$?:#!"(B
  /etc/hosts $B$K%[%9%H$N(B IP 
$B%"%I%l%9$r$I$N$h$&$K5-=R$9$Y$-$+$O<+L@$G$O$J$/!"(B
  hostname $B$+$i(B IP $B%"%I%l%9$rD4$Y$i$l$k$HA[Dj$9$k$Y$-$G$J$$!#(B
  $B$=$s$J>pJs$K0MB8$9$k(B dRuby $B$,0-$$!#(B

2013$BG/(B2$B7n(B20$BF|(B 9:48 Tanaka Akira <akr@fsij.org>:

>   gethostname $B$O(B 4.2BSD $B$GF3F~$5$l$?$b$N$G!"$=$b$=$b:G=i$+$i(B

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