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Side by Side Diff: net/http/http_response_body_drainer.h

Issue 699123002: Remove HttpStreamBase. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 1 month ago
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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_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_ 5 #ifndef NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
6 #define NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_ 6 #define NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
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/timer/timer.h" 11 #include "base/timer/timer.h"
12 #include "net/base/completion_callback.h" 12 #include "net/base/completion_callback.h"
13 #include "net/base/net_export.h" 13 #include "net/base/net_export.h"
14 #include "net/http/http_network_session.h" 14 #include "net/http/http_network_session.h"
15 15
16 namespace net { 16 namespace net {
17 17
18 class HttpStreamBase; 18 class HttpStream;
19 class IOBuffer; 19 class IOBuffer;
20 20
21 class NET_EXPORT_PRIVATE HttpResponseBodyDrainer { 21 class NET_EXPORT_PRIVATE HttpResponseBodyDrainer {
22 public: 22 public:
23 // The size in bytes of the buffer we use to drain the response body that 23 // The size in bytes of the buffer we use to drain the response body that
24 // we want to throw away. The response body is typically a small page just a 24 // we want to throw away. The response body is typically a small page just a
25 // few hundred bytes long. We set a limit to prevent it from taking too long, 25 // few hundred bytes long. We set a limit to prevent it from taking too long,
26 // since we may as well just create a new socket then. 26 // since we may as well just create a new socket then.
27 static const int kDrainBodyBufferSize = 16384; 27 static const int kDrainBodyBufferSize = 16384;
28 static const int kTimeoutInSeconds = 5; 28 static const int kTimeoutInSeconds = 5;
29 29
30 explicit HttpResponseBodyDrainer(HttpStreamBase* stream); 30 explicit HttpResponseBodyDrainer(HttpStream* stream);
31 ~HttpResponseBodyDrainer(); 31 ~HttpResponseBodyDrainer();
32 32
33 // Starts reading the body until completion, or we hit the buffer limit, or we 33 // Starts reading the body until completion, or we hit the buffer limit, or we
34 // timeout. After Start(), |this| will eventually delete itself. If it 34 // timeout. After Start(), |this| will eventually delete itself. If it
35 // doesn't complete immediately, it will add itself to |session|. 35 // doesn't complete immediately, it will add itself to |session|.
36 void Start(HttpNetworkSession* session); 36 void Start(HttpNetworkSession* session);
37 37
38 private: 38 private:
39 enum State { 39 enum State {
40 STATE_DRAIN_RESPONSE_BODY, 40 STATE_DRAIN_RESPONSE_BODY,
41 STATE_DRAIN_RESPONSE_BODY_COMPLETE, 41 STATE_DRAIN_RESPONSE_BODY_COMPLETE,
42 STATE_NONE, 42 STATE_NONE,
43 }; 43 };
44 44
45 int DoLoop(int result); 45 int DoLoop(int result);
46 46
47 int DoDrainResponseBody(); 47 int DoDrainResponseBody();
48 int DoDrainResponseBodyComplete(int result); 48 int DoDrainResponseBodyComplete(int result);
49 49
50 void OnIOComplete(int result); 50 void OnIOComplete(int result);
51 void OnTimerFired(); 51 void OnTimerFired();
52 void Finish(int result); 52 void Finish(int result);
53 53
54 scoped_refptr<IOBuffer> read_buf_; 54 scoped_refptr<IOBuffer> read_buf_;
55 const scoped_ptr<HttpStreamBase> stream_; 55 const scoped_ptr<HttpStream> stream_;
56 State next_state_; 56 State next_state_;
57 int total_read_; 57 int total_read_;
58 CompletionCallback user_callback_; 58 CompletionCallback user_callback_;
59 base::OneShotTimer<HttpResponseBodyDrainer> timer_; 59 base::OneShotTimer<HttpResponseBodyDrainer> timer_;
60 HttpNetworkSession* session_; 60 HttpNetworkSession* session_;
61 61
62 DISALLOW_COPY_AND_ASSIGN(HttpResponseBodyDrainer); 62 DISALLOW_COPY_AND_ASSIGN(HttpResponseBodyDrainer);
63 }; 63 };
64 64
65 } // namespace net 65 } // namespace net
66 66
67 #endif // NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_ 67 #endif // NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
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