From 4367cbf1a47045b731f8888be48a885d7824d092 Mon Sep 17 00:00:00 2001
From: Hevienz <hevienz@gmail.com>
Date: Tue, 20 May 2014 10:00:59 +0800
Subject: [PATCH] Remove resolve function

---
 lib/resty/http.lua | 47 +---------------------------------------------
 1 file changed, 1 insertion(+), 46 deletions(-)

diff --git a/lib/resty/http.lua b/lib/resty/http.lua
index 7f819f7..9e1edcf 100644
--- a/lib/resty/http.lua
+++ b/lib/resty/http.lua
@@ -249,42 +249,6 @@ function new(self)
     return setmetatable({}, mt)
 end
 
-local resolver = require "resty.dns.resolver"
-local function resolve(host)
-    local r, err = resolver:new{
-        nameservers = {"8.8.8.8", {"8.8.4.4", 53} },
-        retrans = 5,  -- 5 retransmissions on receive timeout
-        timeout = 2000,  -- 2 sec
-    }
-
-    if not r then
-        ngx.say("failed to instantiate the resolver: ", err)
-        return
-    end
-
-    local answers, err = r:query(host)
-    if not answers then
-        ngx.say("failed to query the DNS server: ", err)
-        return
-    end
-
-    if answers.errcode then
-        ngx.say("server returned error code: ", answers.errcode,
-                ": ", answers.errstr)
-    end
-
-    for i, ans in ipairs(answers) do
-        --ngx.say(ans.name, " ", ans.address or ans.cname,
-        --        " type:", ans.type, " class:", ans.class,
-        --        " ttl:", ans.ttl)
-        if ans.address then
-            return ans.address
-        end
-    end
-
-    return nil
-end
-
 function request(self, reqt)
     local code, headers, status, body, bytes, ok, err
 
@@ -297,17 +261,8 @@ function request(self, reqt)
 
     sock:settimeout(nreqt.timeout)
 
-    -- determine nreqt.host is a domain name or a ip address
-    local is_ip=string.match(nreqt.host,"%d+%.%d+%.%d+%.%d+")
-    local address=nil
-    if is_ip then
-        address=nreqt.host
-    else
-        address=resolve(nreqt.host)
-    end
-    
     -- connect
-    ok, err = sock:connect(address, nreqt.port)
+    ok, err = sock:connect(nreqt.host, nreqt.port)
     if err then
         return nil, "sock connected failed " .. err
     end