1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
#include <stdint.h>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/devtools/devtools_network_interceptor.h"
#include "net/base/completion_callback.h"
#include "net/base/load_states.h"
#include "net/base/net_error_details.h"
#include "net/base/request_priority.h"
#include "net/http/http_transaction.h"
#include "net/websockets/websocket_handshake_stream_base.h"
class DevToolsNetworkController;
class DevToolsNetworkUploadDataStream;
class GURL;
namespace net {
class AuthCredentials;
class BoundNetLog;
class HttpRequestHeaders;
struct HttpRequestInfo;
class HttpResponseInfo;
class HttpNetworkSession;
class IOBuffer;
struct LoadTimingInfo;
class UploadProgress;
class X509Certificate;
} // namespace net
namespace test {
class DevToolsNetworkControllerHelper;
}
// DevToolsNetworkTransaction is a wrapper for network transaction. All
// HttpTransaction methods are proxied to real transaction, but |callback|
// parameter is saved and replaced with proxy callback. Fail method should be
// used to simulate network outage. It runs saved callback (if any) with
// net::ERR_INTERNET_DISCONNECTED result value.
class DevToolsNetworkTransaction
: public net::HttpTransaction {
public:
static const char kDevToolsEmulateNetworkConditionsClientId[];
DevToolsNetworkTransaction(
DevToolsNetworkController* controller,
scoped_ptr<net::HttpTransaction> network_transaction);
~DevToolsNetworkTransaction() override;
// HttpTransaction methods:
int Start(const net::HttpRequestInfo* request,
const net::CompletionCallback& callback,
const net::BoundNetLog& net_log) override;
int RestartIgnoringLastError(
const net::CompletionCallback& callback) override;
int RestartWithCertificate(net::X509Certificate* client_cert,
net::SSLPrivateKey* client_private_key,
const net::CompletionCallback& callback) override;
int RestartWithAuth(const net::AuthCredentials& credentials,
const net::CompletionCallback& callback) override;
bool IsReadyToRestartForAuth() override;
int Read(net::IOBuffer* buf,
int buf_len,
const net::CompletionCallback& callback) override;
void StopCaching() override;
bool GetFullRequestHeaders(net::HttpRequestHeaders* headers) const override;
int64_t GetTotalReceivedBytes() const override;
int64_t GetTotalSentBytes() const override;
void DoneReading() override;
const net::HttpResponseInfo* GetResponseInfo() const override;
net::LoadState GetLoadState() const override;
net::UploadProgress GetUploadProgress() const override;
void SetQuicServerInfo(net::QuicServerInfo* quic_server_info) override;
bool GetLoadTimingInfo(net::LoadTimingInfo* load_timing_info) const override;
bool GetRemoteEndpoint(net::IPEndPoint* endpoint) const override;
void PopulateNetErrorDetails(net::NetErrorDetails* details) const override;
void SetPriority(net::RequestPriority priority) override;
void SetWebSocketHandshakeStreamCreateHelper(
net::WebSocketHandshakeStreamBase::CreateHelper* create_helper) override;
void SetBeforeNetworkStartCallback(
const BeforeNetworkStartCallback& callback) override;
void SetBeforeProxyHeadersSentCallback(
const BeforeProxyHeadersSentCallback& callback) override;
int ResumeNetworkStart() override;
void GetConnectionAttempts(net::ConnectionAttempts* out) const override;
protected:
friend class test::DevToolsNetworkControllerHelper;
private:
void Fail();
bool CheckFailed();
void IOCallback(const net::CompletionCallback& callback,
bool start,
int result);
int Throttle(const net::CompletionCallback& callback,
bool start,
int result);
void ThrottleCallback(const net::CompletionCallback& callback,
int result,
int64_t bytes);
DevToolsNetworkInterceptor::ThrottleCallback throttle_callback_;
int64_t throttled_byte_count_;
DevToolsNetworkController* controller_;
base::WeakPtr<DevToolsNetworkInterceptor> interceptor_;
// Modified upload data stream. Should be destructed after |custom_request_|.
scoped_ptr<DevToolsNetworkUploadDataStream> custom_upload_data_stream_;
// Modified request. Should be destructed after |network_transaction_|.
scoped_ptr<net::HttpRequestInfo> custom_request_;
// Real network transaction.
scoped_ptr<net::HttpTransaction> network_transaction_;
const net::HttpRequestInfo* request_;
// True if Fail was already invoked.
bool failed_;
DISALLOW_COPY_AND_ASSIGN(DevToolsNetworkTransaction);
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
|
