From 2bb7406db018e6902aacaf495e63d69cf9b93174 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Tue, 23 Nov 2010 13:16:06 -0800
Subject: split out common read-only code

It makes sense for other databases to share the same code.
---
 lib/metropolis/common.rb    |  1 +
 lib/metropolis/common/ro.rb | 18 ++++++++++++++++++
 lib/metropolis/tc/hdb/ro.rb | 18 ++----------------
 3 files changed, 21 insertions(+), 16 deletions(-)
 create mode 100644 lib/metropolis/common/ro.rb

(limited to 'lib')

diff --git a/lib/metropolis/common.rb b/lib/metropolis/common.rb
index c4efcf3..738a511 100644
--- a/lib/metropolis/common.rb
+++ b/lib/metropolis/common.rb
@@ -1,6 +1,7 @@
 # -*- encoding: binary -*-
 module Metropolis::Common
   include Rack::Utils # unescape
+  autoload :RO, 'metropolis/common/ro'
 
   def setup(opts)
     @uri = opts[:uri]
diff --git a/lib/metropolis/common/ro.rb b/lib/metropolis/common/ro.rb
new file mode 100644
index 0000000..10b5439
--- /dev/null
+++ b/lib/metropolis/common/ro.rb
@@ -0,0 +1,18 @@
+# -*- encoding: binary -*-
+module Metropolis::Common::RO
+  def call(env)
+    if %r{\A/(.*)\z} =~ env["PATH_INFO"]
+      key = unescape($1)
+      case env["REQUEST_METHOD"]
+      when "GET"
+        get(key)
+      when "HEAD"
+        head(key)
+      else
+        r(403)
+      end
+    else # OPTIONS
+      r(405)
+    end
+  end
+end
diff --git a/lib/metropolis/tc/hdb/ro.rb b/lib/metropolis/tc/hdb/ro.rb
index 4114606..fddd73c 100644
--- a/lib/metropolis/tc/hdb/ro.rb
+++ b/lib/metropolis/tc/hdb/ro.rb
@@ -1,6 +1,8 @@
 # -*- encoding: binary -*-
 
 module Metropolis::TC::HDB::RO
+  include Metropolis::Common::RO
+
   def self.extended(obj)
    obj.instance_eval do
       @wr_flags = nil
@@ -12,22 +14,6 @@ module Metropolis::TC::HDB::RO
     end
   end
 
-  def call(env)
-    if %r{\A/(.*)\z} =~ env["PATH_INFO"]
-      key = unescape($1)
-      case env["REQUEST_METHOD"]
-      when "GET"
-        get(key)
-      when "HEAD"
-        head(key)
-      else
-        r(403)
-      end
-    else # OPTIONS
-      r(405)
-    end
-  end
-
   def reader(key)
     yield @ro_dbv[key.hash % @nr_slots]
   end
-- 
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