NetHttp uses with_net_http_connection (#446)

CONTRIBUTING.md

@@ -28,7 +28,7 @@ We will accept adapters that:
 2. if they have features not present in included adapters.
 
 We are pushing towards a 1.0 release, when we will have to follow [Semantic
-Versioning][semver].  If your patch includes changes to break compatiblitity,
+Versioning][semver].  If your patch includes changes to break compatibility,
 note that so we can add it to the [Changelog][].
 
 [semver]:    http://semver.org/

lib/faraday/adapter/net_http.rb

@@ -29,26 +29,27 @@ module Faraday
 
       def call(env)
         super
-        http = net_http_connection(env)
-        configure_ssl(http, env[:ssl]) if env[:url].scheme == 'https' and env[:ssl]
+        with_net_http_connection(env) do |http|
+          configure_ssl(http, env[:ssl]) if env[:url].scheme == 'https' and env[:ssl]
 
-        req = env[:request]
-        http.read_timeout = http.open_timeout = req[:timeout] if req[:timeout]
-        http.open_timeout = req[:open_timeout]                if req[:open_timeout]
+          req = env[:request]
+          http.read_timeout = http.open_timeout = req[:timeout] if req[:timeout]
+          http.open_timeout = req[:open_timeout]                if req[:open_timeout]
 
-        begin
-          http_response = perform_request(http, env)
-        rescue *NET_HTTP_EXCEPTIONS => err
-          if defined?(OpenSSL) && OpenSSL::SSL::SSLError === err
-            raise Faraday::SSLError, err
-          else
-            raise Error::ConnectionFailed, err
+          begin
+            http_response = perform_request(http, env)
+          rescue *NET_HTTP_EXCEPTIONS => err
+            if defined?(OpenSSL) && OpenSSL::SSL::SSLError === err
+              raise Faraday::SSLError, err
+            else
+              raise Error::ConnectionFailed, err
+            end
           end
-        end
 
-        save_response(env, http_response.code.to_i, http_response.body || '') do |response_headers|
-          http_response.each_header do |key, value|
-            response_headers[key] = value
+          save_response(env, http_response.code.to_i, http_response.body || '') do |response_headers|
+            http_response.each_header do |key, value|
+              response_headers[key] = value
+            end
           end
         end
 
@@ -82,6 +83,10 @@ module Faraday
         end
       end
 
+      def with_net_http_connection(env)
+        yield net_http_connection(env)
+      end
+
       def net_http_connection(env)
         if proxy = env[:request][:proxy]
           Net::HTTP::Proxy(proxy[:uri].host, proxy[:uri].port, proxy[:user], proxy[:password])

lib/faraday/adapter/net_http_persistent.rb

@@ -8,7 +8,7 @@ module Faraday
     class NetHttpPersistent < NetHttp
       dependency 'net/http/persistent'
 
-      def net_http_connection(env)
+      def with_net_http_connection(env)
         if proxy = env[:request][:proxy]
           proxy_uri = ::URI::HTTP === proxy[:uri] ? proxy[:uri].dup : ::URI.parse(proxy[:uri].to_s)
           proxy_uri.user = proxy_uri.password = nil
@@ -18,7 +18,8 @@ module Faraday
             define_method(:password) { proxy[:password] }
           end if proxy[:user]
         end
-        Net::HTTP::Persistent.new 'Faraday', proxy_uri
+
+        yield Net::HTTP::Persistent.new 'Faraday', proxy_uri
       end
 
       def perform_request(http, env)