| // Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_PROTOCOL_H_ |
| #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_PROTOCOL_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h" |
| #include "net/proxy/proxy_retry_info.h" |
| |
| namespace base { |
| class TimeDelta; |
| } |
| |
| namespace net { |
| class HttpResponseHeaders; |
| class ProxyConfig; |
| class ProxyInfo; |
| class ProxyServer; |
| class URLRequest; |
| } |
| |
| class GURL; |
| |
| namespace data_reduction_proxy { |
| |
| class DataReductionProxyParams; |
| |
| // Decides whether to mark the data reduction proxy as temporarily bad and |
| // put it on the proxy retry list. Returns true if the request should be |
| // retried. Sets |override_response_headers| to redirect if so. Returns |
| // the DataReductionProxyBypassType (if not NULL). |
| bool MaybeBypassProxyAndPrepareToRetry( |
| const DataReductionProxyParams* params, |
| net::URLRequest* request, |
| const net::HttpResponseHeaders* original_response_headers, |
| scoped_refptr<net::HttpResponseHeaders>* override_response_headers, |
| DataReductionProxyBypassType* proxy_bypass_type); |
| |
| // Adds data reduction proxies to |result|, where applicable, if result |
| // otherwise uses a direct connection for |url|, the proxy service's effective |
| // proxy configuration is not the data reduction proxy configuration, and the |
| // data reduction proxy is not bypassed. Also, configures |result| to proceed |
| // directly to the origin if |result|'s current proxy is the data |
| // reduction proxy, the |net::LOAD_BYPASS_DATA_REDUCTION_PROXY| |load_flag| is |
| // set, and the DataCompressionProxyCriticalBypass Finch trial is set. |
| void OnResolveProxyHandler(const GURL& url, |
| int load_flags, |
| const net::ProxyConfig& data_reduction_proxy_config, |
| const net::ProxyConfig& proxy_service_proxy_config, |
| const net::ProxyRetryInfoMap& proxy_retry_info, |
| const DataReductionProxyParams* params, |
| net::ProxyInfo* result); |
| |
| // Returns true if the request method is idempotent. Only idempotent requests |
| // are retried on a bypass. Visible as part of the public API for testing. |
| bool IsRequestIdempotent(const net::URLRequest* request); |
| |
| // Sets the override headers to contain a status line that indicates a |
| // redirect (a 302), a "Location:" header that points to the request url, |
| // and sets load flags to bypass proxies. |
| // Visible as part of the public API for testing. |
| void OverrideResponseAsRedirect( |
| net::URLRequest* request, |
| const net::HttpResponseHeaders* original_response_headers, |
| scoped_refptr<net::HttpResponseHeaders>* override_response_headers); |
| |
| // Adds non-empty entries in |data_reduction_proxies| to the retry map |
| // maintained by the proxy service of the request. Adds |
| // |data_reduction_proxies.second| to the retry list only if |bypass_all| is |
| // true. Visible as part of the public API for testing. |
| void MarkProxiesAsBadUntil(net::URLRequest* request, |
| base::TimeDelta& bypass_duration, |
| bool bypass_all, |
| const std::pair<GURL, GURL>& data_reduction_proxies); |
| |
| } // namespace data_reduction_proxy |
| #endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_PROTOCOL_H_ |