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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // This file contains URLFetcher, a wrapper around URLRequest that handles | |
| 6 // low-level details like thread safety, ref counting, and incremental buffer | |
| 7 // reading. This is useful for callers who simply want to get the data from a | |
| 8 // URL and don't care about all the nitty-gritty details. | |
| 9 // | |
| 10 // NOTE(willchan): Only one "IO" thread is supported for URLFetcher. This is a | |
| 11 // temporary situation. We will work on allowing support for multiple "io" | |
| 12 // threads per process. | |
| 13 | |
| 14 #ifndef NET_URL_REQUEST_URL_FETCHER_IMPL_H_ | |
| 15 #define NET_URL_REQUEST_URL_FETCHER_IMPL_H_ | |
| 16 | |
| 17 #include <string> | |
| 18 | |
| 19 #include "base/basictypes.h" | |
| 20 #include "base/compiler_specific.h" | |
| 21 #include "net/base/net_export.h" | |
| 22 #include "net/url_request/url_fetcher.h" | |
| 23 | |
| 24 namespace net { | |
| 25 class URLFetcherCore; | |
| 26 class URLFetcherDelegate; | |
| 27 class URLFetcherFactory; | |
| 28 | |
| 29 class NET_EXPORT_PRIVATE URLFetcherImpl : public URLFetcher { | |
| 30 public: | |
| 31 // |url| is the URL to send the request to. | |
| 32 // |request_type| is the type of request to make. | |
| 33 // |d| the object that will receive the callback on fetch completion. | |
| 34 URLFetcherImpl(const GURL& url, | |
| 35 RequestType request_type, | |
| 36 URLFetcherDelegate* d); | |
| 37 ~URLFetcherImpl() override; | |
| 38 | |
| 39 // URLFetcher implementation: | |
| 40 void SetUploadData(const std::string& upload_content_type, | |
| 41 const std::string& upload_content) override; | |
| 42 void SetUploadFilePath( | |
| 43 const std::string& upload_content_type, | |
| 44 const base::FilePath& file_path, | |
| 45 uint64 range_offset, | |
| 46 uint64 range_length, | |
| 47 scoped_refptr<base::TaskRunner> file_task_runner) override; | |
| 48 void SetUploadStreamFactory( | |
| 49 const std::string& upload_content_type, | |
| 50 const CreateUploadStreamCallback& callback) override; | |
| 51 void SetChunkedUpload(const std::string& upload_content_type) override; | |
| 52 void AppendChunkToUpload(const std::string& data, | |
| 53 bool is_last_chunk) override; | |
| 54 void SetLoadFlags(int load_flags) override; | |
| 55 int GetLoadFlags() const override; | |
| 56 void SetReferrer(const std::string& referrer) override; | |
| 57 void SetReferrerPolicy(URLRequest::ReferrerPolicy referrer_policy) override; | |
| 58 void SetExtraRequestHeaders( | |
| 59 const std::string& extra_request_headers) override; | |
| 60 void AddExtraRequestHeader(const std::string& header_line) override; | |
| 61 void SetRequestContext( | |
| 62 URLRequestContextGetter* request_context_getter) override; | |
| 63 void SetFirstPartyForCookies(const GURL& first_party_for_cookies) override; | |
| 64 void SetURLRequestUserData( | |
| 65 const void* key, | |
| 66 const CreateDataCallback& create_data_callback) override; | |
| 67 void SetStopOnRedirect(bool stop_on_redirect) override; | |
| 68 void SetAutomaticallyRetryOn5xx(bool retry) override; | |
| 69 void SetMaxRetriesOn5xx(int max_retries) override; | |
| 70 int GetMaxRetriesOn5xx() const override; | |
| 71 base::TimeDelta GetBackoffDelay() const override; | |
| 72 void SetAutomaticallyRetryOnNetworkChanges(int max_retries) override; | |
| 73 void SaveResponseToFileAtPath( | |
| 74 const base::FilePath& file_path, | |
| 75 scoped_refptr<base::SequencedTaskRunner> file_task_runner) override; | |
| 76 void SaveResponseToTemporaryFile( | |
| 77 scoped_refptr<base::SequencedTaskRunner> file_task_runner) override; | |
| 78 void SaveResponseWithWriter( | |
| 79 scoped_ptr<URLFetcherResponseWriter> response_writer) override; | |
| 80 HttpResponseHeaders* GetResponseHeaders() const override; | |
| 81 HostPortPair GetSocketAddress() const override; | |
| 82 bool WasFetchedViaProxy() const override; | |
| 83 void Start() override; | |
| 84 const GURL& GetOriginalURL() const override; | |
| 85 const GURL& GetURL() const override; | |
| 86 const URLRequestStatus& GetStatus() const override; | |
| 87 int GetResponseCode() const override; | |
| 88 const ResponseCookies& GetCookies() const override; | |
| 89 void ReceivedContentWasMalformed() override; | |
| 90 bool GetResponseAsString(std::string* out_response_string) const override; | |
| 91 bool GetResponseAsFilePath(bool take_ownership, | |
| 92 base::FilePath* out_response_path) const override; | |
| 93 | |
| 94 static void CancelAll(); | |
| 95 | |
| 96 static void SetIgnoreCertificateRequests(bool ignored); | |
| 97 | |
| 98 // TODO(akalin): Make these private again once URLFetcher::Create() | |
| 99 // is in net/. | |
| 100 | |
| 101 static URLFetcherFactory* factory(); | |
| 102 | |
| 103 // Sets the factory used by the static method Create to create a URLFetcher. | |
| 104 // URLFetcher does not take ownership of |factory|. A value of NULL results | |
| 105 // in a URLFetcher being created directly. | |
| 106 // | |
| 107 // NOTE: for safety, this should only be used through ScopedURLFetcherFactory! | |
| 108 static void set_factory(URLFetcherFactory* factory); | |
| 109 | |
| 110 protected: | |
| 111 // Returns the delegate. | |
| 112 URLFetcherDelegate* delegate() const; | |
| 113 | |
| 114 private: | |
| 115 friend class URLFetcherTest; | |
| 116 | |
| 117 // Only used by URLFetcherTest, returns the number of URLFetcher::Core objects | |
| 118 // actively running. | |
| 119 static int GetNumFetcherCores(); | |
| 120 | |
| 121 const scoped_refptr<URLFetcherCore> core_; | |
| 122 | |
| 123 DISALLOW_COPY_AND_ASSIGN(URLFetcherImpl); | |
| 124 }; | |
| 125 | |
| 126 } // namespace net | |
| 127 | |
| 128 #endif // NET_URL_REQUEST_URL_FETCHER_IMPL_H_ | |
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