Track sources of proxy settings.

net/proxy/proxy_info.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_PROXY_PROXY_INFO_H_
 #define NET_PROXY_PROXY_INFO_H_
 #pragma once
 
 #include <string>
 
 #include "net/base/net_export.h"
@@ skipping 11 matching lines @@
   ProxyInfo();
   ~ProxyInfo();
   // Default copy-constructor and assignment operator are OK!
 
   // Uses the same proxy server as the given |proxy_info|.
   void Use(const ProxyInfo& proxy_info);
 
   // Uses a direct connection.
   void UseDirect();
 
+  // Uses a direct connection. did_bypass_proxy() will return true to indicate
+  // that the direct connection is the result of configured proxy bypass rules.
+  void UseDirectWithBypassedProxy();
+
   // Uses a specific proxy server, of the form:
   //   proxy-uri = [<scheme> "://"] <hostname> [":" <port>]
   // This may optionally be a semi-colon delimited list of <proxy-uri>.
   // It is OK to have LWS between entries.
   void UseNamedProxy(const std::string& proxy_uri_list);
 
   // Sets the proxy list to a single entry, |proxy_server|.
   void UseProxyServer(const ProxyServer& proxy_server);
 
   // Parses from the given PAC result.
   void UsePacString(const std::string& pac_string) {
     proxy_list_.SetFromPacString(pac_string);
   }
 
   // Returns true if this proxy info specifies a direct connection.
   bool is_direct() const {
     // We don't implicitly fallback to DIRECT unless it was added to the list.
     if (is_empty())
       return false;
     return proxy_list_.Get().is_direct();
   }
 
+  bool is_direct_only() const {
+    return is_direct() && proxy_list_.Size() == 1 && proxy_retry_info_.empty();
+  }
+
   // Returns true if the first valid proxy server is an https proxy.
   bool is_https() const {
     if (is_empty())
       return false;
     return proxy_server().is_https();
   }
 
   // Returns true if the first valid proxy server is an http proxy.
   bool is_http() const {
     if (is_empty())
       return false;
     return proxy_server().is_http();
   }
 
   // Returns true if the first valid proxy server is a socks server.
   bool is_socks() const {
     if (is_empty())
       return false;
     return proxy_server().is_socks();
   }
 
   // Returns true if this proxy info has no proxies left to try.
   bool is_empty() const {
     return proxy_list_.IsEmpty();
   }
 
+  // Returns true if this proxy resolution is using a direct connection due to
+  // proxy bypass rules.
+  bool did_bypass_proxy() const {
+    return did_bypass_proxy_;
+  }
+
+  // Returns true if the proxy resolution was done using a PAC script.
+  bool did_use_pac_script() const {
+    return did_use_pac_script_;
+  }
+
   // Returns the first valid proxy server. is_empty() must be false to be able
   // to call this function.
   const ProxyServer& proxy_server() const { return proxy_list_.Get(); }
 
+  // Returns the source for configuration settings used for proxy resolution.
+  ProxyConfigSource config_source() const { return config_source_; }
+
   // See description in ProxyList::ToPacString().
   std::string ToPacString() const;
 
   // Marks the current proxy as bad. Returns true if there is another proxy
   // available to try in proxy list_.
   bool Fallback(const BoundNetLog& net_log);
 
   // De-prioritizes the proxies that we have cached as not working, by moving
   // them to the end of the proxy list.
   void DeprioritizeBadProxies(const ProxyRetryInfoMap& proxy_retry_info);
 
   // Deletes any entry which doesn't have one of the specified proxy schemes.
   void RemoveProxiesWithoutScheme(int scheme_bit_field);
 
  private:
   friend class ProxyService;
 
   const ProxyRetryInfoMap& proxy_retry_info() const {
     return proxy_retry_info_;
   }
 
+  // Reset proxy and config settings.
+  void Reset();
+
   // The ordered list of proxy servers (including DIRECT attempts) remaining to
   // try. If proxy_list_ is empty, then there is nothing left to fall back to.
   ProxyList proxy_list_;
 
   // List of proxies that have been tried already.
   ProxyRetryInfoMap proxy_retry_info_;
 
   // This value identifies the proxy config used to initialize this object.
   ProxyConfig::ID config_id_;
+
+  // The source of the proxy settings used,
+  ProxyConfigSource config_source_;
+
+  // Whether the proxy result represent a proxy bypass.
+  bool did_bypass_proxy_;
+
+  // Whether we used a PAC script for resolving the proxy.
+  bool did_use_pac_script_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_INFO_H_