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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ | 5 #ifndef NET_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ |
| 6 #define NET_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ | 6 #define NET_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
| 10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 #include "base/string16.h" | 12 #include "base/string16.h" |
| 13 #include "base/threading/non_thread_safe.h" | 13 #include "base/threading/non_thread_safe.h" |
| 14 #include "base/timer.h" | 14 #include "base/timer.h" |
| 15 #include "net/base/completion_callback.h" | 15 #include "net/base/completion_callback.h" |
| 16 #include "net/base/net_api.h" | 16 #include "net/base/net_export.h" |
| 17 #include "googleurl/src/gurl.h" | 17 #include "googleurl/src/gurl.h" |
| 18 | 18 |
| 19 namespace base { | 19 namespace base { |
| 20 class MessageLoopProxy; | 20 class MessageLoopProxy; |
| 21 } | 21 } |
| 22 | 22 |
| 23 namespace net { | 23 namespace net { |
| 24 | 24 |
| 25 class ProxyScriptFetcher; | 25 class ProxyScriptFetcher; |
| 26 class URLRequestContext; | 26 class URLRequestContext; |
| 27 | 27 |
| 28 // For a given adapter, this class takes care of first doing a DHCP lookup | 28 // For a given adapter, this class takes care of first doing a DHCP lookup |
| 29 // to get the PAC URL, then if there is one, trying to fetch it. | 29 // to get the PAC URL, then if there is one, trying to fetch it. |
| 30 class NET_TEST DhcpProxyScriptAdapterFetcher | 30 class NET_EXPORT_PRIVATE DhcpProxyScriptAdapterFetcher |
| 31 : public base::SupportsWeakPtr<DhcpProxyScriptAdapterFetcher>, | 31 : public base::SupportsWeakPtr<DhcpProxyScriptAdapterFetcher>, |
| 32 NON_EXPORTED_BASE(public base::NonThreadSafe) { | 32 NON_EXPORTED_BASE(public base::NonThreadSafe) { |
| 33 public: | 33 public: |
| 34 // |url_request_context| must outlive DhcpProxyScriptAdapterFetcher. | 34 // |url_request_context| must outlive DhcpProxyScriptAdapterFetcher. |
| 35 explicit DhcpProxyScriptAdapterFetcher( | 35 explicit DhcpProxyScriptAdapterFetcher( |
| 36 URLRequestContext* url_request_context); | 36 URLRequestContext* url_request_context); |
| 37 virtual ~DhcpProxyScriptAdapterFetcher(); | 37 virtual ~DhcpProxyScriptAdapterFetcher(); |
| 38 | 38 |
| 39 // Starts a fetch. On completion (but not cancellation), |callback| | 39 // Starts a fetch. On completion (but not cancellation), |callback| |
| 40 // will be invoked with the network error indicating success or failure | 40 // will be invoked with the network error indicating success or failure |
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| 107 | 107 |
| 108 State state() const; | 108 State state() const; |
| 109 | 109 |
| 110 // This inner class is used to encapsulate the worker thread, which has | 110 // This inner class is used to encapsulate the worker thread, which has |
| 111 // only a weak reference back to the main object, so that the main object | 111 // only a weak reference back to the main object, so that the main object |
| 112 // can be destroyed before the thread ends. This also keeps the main | 112 // can be destroyed before the thread ends. This also keeps the main |
| 113 // object completely thread safe and allows it to be non-refcounted. | 113 // object completely thread safe and allows it to be non-refcounted. |
| 114 // | 114 // |
| 115 // TODO(joi): Replace with PostTaskAndReply once http://crbug.com/86301 | 115 // TODO(joi): Replace with PostTaskAndReply once http://crbug.com/86301 |
| 116 // has been implemented. | 116 // has been implemented. |
| 117 class NET_TEST WorkerThread | 117 class NET_EXPORT_PRIVATE WorkerThread |
| 118 : public base::RefCountedThreadSafe<WorkerThread> { | 118 : public base::RefCountedThreadSafe<WorkerThread> { |
| 119 public: | 119 public: |
| 120 // Creates and initializes (but does not start) the worker thread. | 120 // Creates and initializes (but does not start) the worker thread. |
| 121 explicit WorkerThread( | 121 explicit WorkerThread( |
| 122 const base::WeakPtr<DhcpProxyScriptAdapterFetcher>& owner); | 122 const base::WeakPtr<DhcpProxyScriptAdapterFetcher>& owner); |
| 123 virtual ~WorkerThread(); | 123 virtual ~WorkerThread(); |
| 124 | 124 |
| 125 // Starts the worker thread, fetching information for |adapter_name| using | 125 // Starts the worker thread, fetching information for |adapter_name| using |
| 126 // |get_pac_from_url_func|. | 126 // |get_pac_from_url_func|. |
| 127 void Start(const std::string& adapter_name); | 127 void Start(const std::string& adapter_name); |
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| 197 base::OneShotTimer<DhcpProxyScriptAdapterFetcher> wait_timer_; | 197 base::OneShotTimer<DhcpProxyScriptAdapterFetcher> wait_timer_; |
| 198 | 198 |
| 199 scoped_refptr<URLRequestContext> url_request_context_; | 199 scoped_refptr<URLRequestContext> url_request_context_; |
| 200 | 200 |
| 201 DISALLOW_IMPLICIT_CONSTRUCTORS(DhcpProxyScriptAdapterFetcher); | 201 DISALLOW_IMPLICIT_CONSTRUCTORS(DhcpProxyScriptAdapterFetcher); |
| 202 }; | 202 }; |
| 203 | 203 |
| 204 } // namespace net | 204 } // namespace net |
| 205 | 205 |
| 206 #endif // NET_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ | 206 #endif // NET_PROXY_DHCP_SCRIPT_ADAPTER_FETCHER_WIN_H_ |
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