1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef NET_PROXY_PROXY_INFO_H_ 6 #define NET_PROXY_PROXY_INFO_H_ 7 #pragma once 8 9 #include <string> 10 11 #include "net/proxy/proxy_config.h" 12 #include "net/proxy/proxy_list.h" 13 #include "net/proxy/proxy_retry_info.h" 14 #include "net/proxy/proxy_server.h" 15 16 namespace net { 17 18 // This object holds proxy information returned by ResolveProxy. 19 class ProxyInfo { 20 public: 21 ProxyInfo(); 22 ~ProxyInfo(); 23 // Default copy-constructor and assignment operator are OK! 24 25 // Uses the same proxy server as the given |proxy_info|. 26 void Use(const ProxyInfo& proxy_info); 27 28 // Uses a direct connection. 29 void UseDirect(); 30 31 // Uses a specific proxy server, of the form: 32 // proxy-uri = [<scheme> "://"] <hostname> [":" <port>] 33 // This may optionally be a semi-colon delimited list of <proxy-uri>. 34 // It is OK to have LWS between entries. 35 void UseNamedProxy(const std::string& proxy_uri_list); 36 37 // Sets the proxy list to a single entry, |proxy_server|. 38 void UseProxyServer(const ProxyServer& proxy_server); 39 40 // Parses from the given PAC result. 41 void UsePacString(const std::string& pac_string) { 42 proxy_list_.SetFromPacString(pac_string); 43 } 44 45 // Returns true if this proxy info specifies a direct connection. 46 bool is_direct() const { 47 // We don't implicitly fallback to DIRECT unless it was added to the list. 48 if (is_empty()) 49 return false; 50 return proxy_list_.Get().is_direct(); 51 } 52 53 // Returns true if the first valid proxy server is an https proxy. 54 bool is_https() const { 55 if (is_empty()) 56 return false; 57 return proxy_server().is_https(); 58 } 59 60 // Returns true if the first valid proxy server is an http proxy. 61 bool is_http() const { 62 if (is_empty()) 63 return false; 64 return proxy_server().is_http(); 65 } 66 67 // Returns true if the first valid proxy server is a socks server. 68 bool is_socks() const { 69 if (is_empty()) 70 return false; 71 return proxy_server().is_socks(); 72 } 73 74 // Returns true if this proxy info has no proxies left to try. 75 bool is_empty() const { 76 return proxy_list_.IsEmpty(); 77 } 78 79 // Returns the first valid proxy server. is_empty() must be false to be able 80 // to call this function. 81 const ProxyServer& proxy_server() const { return proxy_list_.Get(); } 82 83 // See description in ProxyList::ToPacString(). 84 std::string ToPacString() const; 85 86 // Marks the current proxy as bad. Returns true if there is another proxy 87 // available to try in proxy list_. 88 bool Fallback(ProxyRetryInfoMap* proxy_retry_info); 89 90 // De-prioritizes the proxies that we have cached as not working, by moving 91 // them to the end of the proxy list. 92 void DeprioritizeBadProxies(const ProxyRetryInfoMap& proxy_retry_info); 93 94 // Deletes any entry which doesn't have one of the specified proxy schemes. 95 void RemoveProxiesWithoutScheme(int scheme_bit_field); 96 97 private: 98 friend class ProxyService; 99 100 // The ordered list of proxy servers (including DIRECT attempts) remaining to 101 // try. If proxy_list_ is empty, then there is nothing left to fall back to. 102 ProxyList proxy_list_; 103 104 // This value identifies the proxy config used to initialize this object. 105 ProxyConfig::ID config_id_; 106 }; 107 108 } // namespace net 109 110 #endif // NET_PROXY_PROXY_INFO_H_ 111
