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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ | 5 #ifndef NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ |
| 6 #define NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ | 6 #define NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
| 13 #include "base/threading/platform_thread.h" | 13 #include "base/threading/platform_thread.h" |
| 14 #include "net/url_request/url_request.h" | 14 #include "net/url_request/url_request.h" |
| 15 | 15 |
| 16 template <typename T> struct DefaultSingletonTraits; | 16 template <typename T> |
| 17 struct DefaultSingletonTraits; |
| 17 | 18 |
| 18 namespace net { | 19 namespace net { |
| 19 | 20 |
| 20 // This class is responsible for managing the set of protocol factories and | 21 // This class is responsible for managing the set of protocol factories and |
| 21 // request interceptors that determine how an URLRequestJob gets created to | 22 // request interceptors that determine how an URLRequestJob gets created to |
| 22 // handle an URLRequest. | 23 // handle an URLRequest. |
| 23 // | 24 // |
| 24 // MULTI-THREADING NOTICE: | 25 // MULTI-THREADING NOTICE: |
| 25 // URLRequest is designed to have all consumers on a single thread, and | 26 // URLRequest is designed to have all consumers on a single thread, and |
| 26 // so no attempt is made to support ProtocolFactory or Interceptor instances | 27 // so no attempt is made to support ProtocolFactory or Interceptor instances |
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| 43 // of a redirect. Returns NULL if no interceptor intervenes. | 44 // of a redirect. Returns NULL if no interceptor intervenes. |
| 44 URLRequestJob* MaybeInterceptRedirect(URLRequest* request, | 45 URLRequestJob* MaybeInterceptRedirect(URLRequest* request, |
| 45 NetworkDelegate* network_delegate, | 46 NetworkDelegate* network_delegate, |
| 46 const GURL& location) const; | 47 const GURL& location) const; |
| 47 | 48 |
| 48 // Allows interceptors to hijack the request after examining the response | 49 // Allows interceptors to hijack the request after examining the response |
| 49 // status and headers. This is also called when there is no server response | 50 // status and headers. This is also called when there is no server response |
| 50 // at all to allow interception of failed requests due to network errors. | 51 // at all to allow interception of failed requests due to network errors. |
| 51 // Returns NULL if no interceptor intervenes. | 52 // Returns NULL if no interceptor intervenes. |
| 52 URLRequestJob* MaybeInterceptResponse( | 53 URLRequestJob* MaybeInterceptResponse( |
| 53 URLRequest* request, NetworkDelegate* network_delegate) const; | 54 URLRequest* request, |
| 55 NetworkDelegate* network_delegate) const; |
| 54 | 56 |
| 55 // Returns true if there is a protocol factory registered for the given | 57 // Returns true if there is a protocol factory registered for the given |
| 56 // scheme. Note: also returns true if there is a built-in handler for the | 58 // scheme. Note: also returns true if there is a built-in handler for the |
| 57 // given scheme. | 59 // given scheme. |
| 58 bool SupportsScheme(const std::string& scheme) const; | 60 bool SupportsScheme(const std::string& scheme) const; |
| 59 | 61 |
| 60 // Register a protocol factory associated with the given scheme. The factory | 62 // Register a protocol factory associated with the given scheme. The factory |
| 61 // parameter may be null to clear any existing association. Returns the | 63 // parameter may be null to clear any existing association. Returns the |
| 62 // previously registered protocol factory if any. | 64 // previously registered protocol factory if any. |
| 63 URLRequest::ProtocolFactory* RegisterProtocolFactory( | 65 URLRequest::ProtocolFactory* RegisterProtocolFactory( |
| 64 const std::string& scheme, URLRequest::ProtocolFactory* factory); | 66 const std::string& scheme, |
| 67 URLRequest::ProtocolFactory* factory); |
| 65 | 68 |
| 66 // Register/unregister a request interceptor. | 69 // Register/unregister a request interceptor. |
| 67 void RegisterRequestInterceptor(URLRequest::Interceptor* interceptor); | 70 void RegisterRequestInterceptor(URLRequest::Interceptor* interceptor); |
| 68 void UnregisterRequestInterceptor(URLRequest::Interceptor* interceptor); | 71 void UnregisterRequestInterceptor(URLRequest::Interceptor* interceptor); |
| 69 | 72 |
| 70 private: | 73 private: |
| 71 typedef std::map<std::string, URLRequest::ProtocolFactory*> FactoryMap; | 74 typedef std::map<std::string, URLRequest::ProtocolFactory*> FactoryMap; |
| 72 typedef std::vector<URLRequest::Interceptor*> InterceptorList; | 75 typedef std::vector<URLRequest::Interceptor*> InterceptorList; |
| 73 friend struct DefaultSingletonTraits<URLRequestJobManager>; | 76 friend struct DefaultSingletonTraits<URLRequestJobManager>; |
| 74 | 77 |
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| 97 // check back on. | 100 // check back on. |
| 98 return true; | 101 return true; |
| 99 } | 102 } |
| 100 | 103 |
| 101 // We use this to assert that CreateJob and the registration functions all | 104 // We use this to assert that CreateJob and the registration functions all |
| 102 // run on the same thread. | 105 // run on the same thread. |
| 103 mutable base::PlatformThreadId allowed_thread_; | 106 mutable base::PlatformThreadId allowed_thread_; |
| 104 mutable bool allowed_thread_initialized_; | 107 mutable bool allowed_thread_initialized_; |
| 105 #endif | 108 #endif |
| 106 | 109 |
| 107 mutable base::Lock lock_; | 110 mutable base::Lock lock_; |
| 108 FactoryMap factories_; | 111 FactoryMap factories_; |
| 109 InterceptorList interceptors_; | 112 InterceptorList interceptors_; |
| 110 | 113 |
| 111 DISALLOW_COPY_AND_ASSIGN(URLRequestJobManager); | 114 DISALLOW_COPY_AND_ASSIGN(URLRequestJobManager); |
| 112 }; | 115 }; |
| 113 | 116 |
| 114 } // namespace net | 117 } // namespace net |
| 115 | 118 |
| 116 #endif // NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ | 119 #endif // NET_URL_REQUEST_URL_REQUEST_JOB_MANAGER_H_ |
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