## page was renamed from kresd/1.3.0/tcp/patch0
## page was renamed from kresd/1.3.0/tcp/patch
= kresd/1.3.0/tcp/patch =

NS/CNAME毒盛の機会を減らすために、QURY_NO_MINIMIZEの場合にはTCPを使うことにしてみた。
-- ToshinoriMaeno <<DateTime(2017-06-21T08:39:21+0900)>>

resolve.c 
 *type = (qry->flags & (QUERY_TCP |QUERY_NO_MINIMIZE)) ? SOCK_STREAM : SOCK_DGRAM;

qry->flags にQUERY_TCPを追加すると副作用がでるので、ここの判定だけを変更してみる。
-- ToshinoriMaeno <<DateTime(2017-06-21T08:37:35+0900)>>

$ diff -c resolve.c resolve.c.orig
{{{
*** resolve.c	2017-06-21 08:14:11.938308657 +0900
--- resolve.c.orig	2017-06-21 08:35:32.721655314 +0900
***************
*** 1418,1424 ****
  
  	gettimeofday(&qry->timestamp, NULL);
  	*dst = &qry->ns.addr[0].ip;
! 	*type = (qry->flags & (QUERY_TCP |QUERY_NO_MINIMIZE)) ? SOCK_STREAM : SOCK_DGRAM;
  	return request->state;
  }
  
--- 1418,1424 ----
  
  	gettimeofday(&qry->timestamp, NULL);
  	*dst = &qry->ns.addr[0].ip;
! 	*type = (qry->flags & QUERY_TCP) ? SOCK_STREAM : SOCK_DGRAM;
  	return request->state;
  }
}}}