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

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
6 #define NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
7
8 #include "base/basictypes.h"
9 #include "base/memory/ref_counted.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "base/timer/timer.h"
12 #include "net/base/completion_callback.h"
13 #include "net/base/net_export.h"
14 #include "net/http/http_network_session.h"
15
16 namespace net {
17
18 class HttpStream;
19 class IOBuffer;
20
21 class NET_EXPORT_PRIVATE HttpResponseBodyDrainer {
22 public:
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
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.
27 static const int kDrainBodyBufferSize = 16384;
28 static const int kTimeoutInSeconds = 5;
29
30 explicit HttpResponseBodyDrainer(HttpStream* stream);
31 ~HttpResponseBodyDrainer();
32
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
35 // doesn't complete immediately, it will add itself to |session|.
36 void Start(HttpNetworkSession* session);
37
38 private:
39 enum State {
40 STATE_DRAIN_RESPONSE_BODY,
41 STATE_DRAIN_RESPONSE_BODY_COMPLETE,
42 STATE_NONE,
43 };
44
45 int DoLoop(int result);
46
47 int DoDrainResponseBody();
48 int DoDrainResponseBodyComplete(int result);
49
50 void OnIOComplete(int result);
51 void OnTimerFired();
52 void Finish(int result);
53
54 scoped_refptr<IOBuffer> read_buf_;
55 const scoped_ptr<HttpStream> stream_;
56 State next_state_;
57 int total_read_;
58 CompletionCallback user_callback_;
59 base::OneShotTimer<HttpResponseBodyDrainer> timer_;
60 HttpNetworkSession* session_;
61
62 DISALLOW_COPY_AND_ASSIGN(HttpResponseBodyDrainer);
63 };
64
65 } // namespace net
66
67 #endif // NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
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