Working on major restructuring

lib/logging/context.rb

@@ -0,0 +1,18 @@
+module GameServer
+  module Logging
+    module Context
+      def self.with(data)
+        old = Thread.current[:log_ctx]
+        Thread.current[:log_ctx] = data
+        yield
+      ensure
+        Thread.current[:log_ctx] = old
+      end
+
+      def self.current
+        ctx = Thread.current[:log_ctx]
+        ctx ? ctx.map { |k,v| "#{k}=#{v} " }.join : ""
+      end
+    end
+  end
+end