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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef NET_BASE_PROXY_DELEGATE_H_ | 5 #ifndef NET_BASE_PROXY_DELEGATE_H_ |
| 6 #define NET_BASE_PROXY_DELEGATE_H_ | 6 #define NET_BASE_PROXY_DELEGATE_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "net/base/net_export.h" | 9 #include "net/base/net_export.h" |
| 10 | 10 |
| 11 class GURL; | 11 class GURL; |
| 12 | 12 |
| 13 namespace net { | 13 namespace net { |
| 14 | 14 |
| 15 class HttpRequestHeaders; | 15 class HttpRequestHeaders; |
| 16 class HttpResponseHeaders; | 16 class HttpResponseHeaders; |
| 17 class HostPortPair; | 17 class HostPortPair; |
| 18 class ProxyInfo; | 18 class ProxyInfo; |
| 19 class ProxyServer; | 19 class ProxyServer; |
| 20 class ProxyService; | 20 class ProxyService; |
| 21 class URLRequest; | 21 class URLRequest; |
| 22 | 22 |
| 23 // Delegate for setting up a connection. | 23 // Delegate for setting up a connection. |
| 24 class NET_EXPORT ProxyDelegate { | 24 class NET_EXPORT ProxyDelegate { |
| 25 public: | 25 public: |
| 26 ProxyDelegate() { | 26 ProxyDelegate() {} |
| 27 } | |
| 28 | 27 |
| 29 virtual ~ProxyDelegate() { | 28 virtual ~ProxyDelegate() {} |
| 30 } | |
| 31 | 29 |
| 32 // Called as the proxy is being resolved for |url|. Allows the delegate to | 30 // Called as the proxy is being resolved for |url|. Allows the delegate to |
| 33 // override the proxy resolution decision made by ProxyService. The delegate | 31 // override the proxy resolution decision made by ProxyService. The delegate |
| 34 // may override the decision by modifying the ProxyInfo |result|. | 32 // may override the decision by modifying the ProxyInfo |result|. |
| 35 virtual void OnResolveProxy(const GURL& url, | 33 virtual void OnResolveProxy(const GURL& url, |
| 36 int load_flags, | 34 int load_flags, |
| 37 const ProxyService& proxy_service, | 35 const ProxyService& proxy_service, |
| 38 ProxyInfo* result) = 0; | 36 ProxyInfo* result) = 0; |
| 39 | 37 |
| 40 // Called when use of |bad_proxy| fails due to |net_error|. |net_error| is | 38 // Called when use of |bad_proxy| fails due to |net_error|. |net_error| is |
| 41 // the network error encountered, if any, and OK if the fallback was | 39 // the network error encountered, if any, and OK if the fallback was |
| 42 // for a reason other than a network error (e.g. the proxy service was | 40 // for a reason other than a network error (e.g. the proxy service was |
| 43 // explicitly directed to skip a proxy). | 41 // explicitly directed to skip a proxy). |
| 44 virtual void OnFallback(const ProxyServer& bad_proxy, | 42 virtual void OnFallback(const ProxyServer& bad_proxy, int net_error) = 0; |
| 45 int net_error) = 0; | |
| 46 | 43 |
| 47 // Called after a proxy connection. Allows the delegate to read/write | 44 // Called after a proxy connection. Allows the delegate to read/write |
| 48 // |headers| before they get sent out. |headers| is valid only until | 45 // |headers| before they get sent out. |headers| is valid only until |
| 49 // OnCompleted or OnURLRequestDestroyed is called for this request. | 46 // OnCompleted or OnURLRequestDestroyed is called for this request. |
| 50 virtual void OnBeforeSendHeaders(URLRequest* request, | 47 virtual void OnBeforeSendHeaders(URLRequest* request, |
| 51 const ProxyInfo& proxy_info, | 48 const ProxyInfo& proxy_info, |
| 52 HttpRequestHeaders* headers) = 0; | 49 HttpRequestHeaders* headers) = 0; |
| 53 | 50 |
| 54 // Called immediately before a proxy tunnel request is sent. | 51 // Called immediately before a proxy tunnel request is sent. |
| 55 // Provides the embedder an opportunity to add extra request headers. | 52 // Provides the embedder an opportunity to add extra request headers. |
| 56 virtual void OnBeforeTunnelRequest(const HostPortPair& proxy_server, | 53 virtual void OnBeforeTunnelRequest(const HostPortPair& proxy_server, |
| 57 HttpRequestHeaders* extra_headers) = 0; | 54 HttpRequestHeaders* extra_headers) = 0; |
| 58 | 55 |
| 59 // Called after the response headers for the tunnel request are received. | 56 // Called after the response headers for the tunnel request are received. |
| 60 virtual void OnTunnelHeadersReceived( | 57 virtual void OnTunnelHeadersReceived( |
| 61 const HostPortPair& origin, | 58 const HostPortPair& origin, |
| 62 const HostPortPair& proxy_server, | 59 const HostPortPair& proxy_server, |
| 63 const HttpResponseHeaders& response_headers) = 0; | 60 const HttpResponseHeaders& response_headers) = 0; |
| 64 | 61 |
| 65 private: | 62 private: |
| 66 DISALLOW_COPY_AND_ASSIGN(ProxyDelegate); | 63 DISALLOW_COPY_AND_ASSIGN(ProxyDelegate); |
| 67 }; | 64 }; |
| 68 | |
| 69 } | 65 } |
| 70 | 66 |
| 71 #endif // NET_BASE_PROXY_DELEGATE_H_ | 67 #endif // NET_BASE_PROXY_DELEGATE_H_ |
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