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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "search_preload_test_response_utils.h"
#include <memory>
#include <string>
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/strings/string_split.h"
#include "content/public/browser/browser_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
SearchPreloadDeferrableResponse::SearchPreloadDeferrableResponse(
SearchPreloadResponseController* test_harness,
SearchPreloadTestResponseDeferralType deferral_type,
net::HttpStatusCode code,
base::StringPairs headers,
const std::string& response_body)
: test_harness_(test_harness),
service_deferral_type_(deferral_type),
headers_(headers),
body_(response_body) {
set_code(code);
}
SearchPreloadDeferrableResponse::~SearchPreloadDeferrableResponse() = default;
void SearchPreloadDeferrableResponse::SendResponse(
base::WeakPtr<net::test_server::HttpResponseDelegate> delegate) {
switch (service_deferral_type_) {
case SearchPreloadTestResponseDeferralType::kNoDeferral:
delegate->SendHeadersContentAndFinish(
code(), net::GetHttpReasonPhrase(code()), headers_, body_);
break;
case SearchPreloadTestResponseDeferralType::kDeferHeader:
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(&net::test_server::HttpResponseDelegate::
SendHeadersContentAndFinish,
delegate, code(), net::GetHttpReasonPhrase(code()),
headers_, body_));
break;
case SearchPreloadTestResponseDeferralType::kDeferBody:
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(
&net::test_server::HttpResponseDelegate::SendContentsAndFinish,
delegate, body_));
delegate->SendResponseHeaders(code(), net::GetHttpReasonPhrase(code()),
headers_);
break;
case SearchPreloadTestResponseDeferralType::kDeferHeaderThenBody:
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(
&net::test_server::HttpResponseDelegate::SendResponseHeaders,
delegate, code(), "OK", headers_));
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(
&net::test_server::HttpResponseDelegate::SendContentsAndFinish,
delegate, body_));
break;
case SearchPreloadTestResponseDeferralType::kDeferChunkedResponseBody:
size_t body_size = body_.size();
ASSERT_GE(body_size, size_t(2));
// This task will send the first part.
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(&net::test_server::HttpResponseDelegate::SendContents,
delegate, body_.substr(0, body_size / 2),
base::DoNothing()));
// This task will send the remaining part of the content.
test_harness_->AddDelayedResponseTask(
base::SingleThreadTaskRunner::GetCurrentDefault(),
base::BindOnce(
&net::test_server::HttpResponseDelegate::SendContentsAndFinish,
delegate, body_.substr(body_size / 2)));
delegate->SendResponseHeaders(code(), net::GetHttpReasonPhrase(code()),
headers_);
break;
}
}
SearchPreloadResponseController::SearchPreloadResponseController() = default;
SearchPreloadResponseController::~SearchPreloadResponseController() = default;
class SearchPreloadResponseController::DelayedResponseTask {
public:
DelayedResponseTask(
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
base::OnceClosure response_closure)
: task_runner_(task_runner),
response_closure_(std::move(response_closure)) {}
~DelayedResponseTask() = default;
// Makes this movable to run the task out of lock's scope.
DelayedResponseTask(DelayedResponseTask&& task)
: task_runner_(task.task_runner_),
response_closure_(std::move(task.response_closure_)) {}
DelayedResponseTask& operator=(DelayedResponseTask&& task) {
if (this != &task) {
task_runner_ = task.task_runner_;
response_closure_ = std::move(task.response_closure_);
}
return *this;
}
void Run() {
ASSERT_TRUE(
content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
task_runner_->PostTask(FROM_HERE, std::move(response_closure_));
}
private:
// Task runner of the thread on which a service server is running.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
// Closure for making response dispatching controllable. The closure should
// be executed on the thread that the server is running on, as it sends
// network response.
base::OnceClosure response_closure_;
};
void SearchPreloadResponseController::AddDelayedResponseTask(
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
base::OnceClosure response_closure) {
ASSERT_TRUE(task_runner->BelongsToCurrentThread());
base::OnceClosure monitor_callback;
{
base::AutoLock auto_lock(response_queue_lock_);
delayed_response_tasks_.emplace(task_runner, std::move(response_closure));
monitor_callback = std::move(monitor_callback_);
}
if (monitor_callback) {
std::move(monitor_callback).Run();
}
}
void SearchPreloadResponseController::DispatchDelayedResponseTask() {
ASSERT_TRUE(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
std::optional<DelayedResponseTask> delayed_task;
{
base::AutoLock auto_lock(response_queue_lock_);
if (!delayed_response_tasks_.empty()) {
delayed_task = std::move(delayed_response_tasks_.front());
delayed_response_tasks_.pop();
}
}
if (delayed_task) {
delayed_task->Run();
return;
}
base::RunLoop run_loop;
{
base::AutoLock auto_lock(response_queue_lock_);
monitor_callback_ = run_loop.QuitClosure();
}
run_loop.Run();
DispatchDelayedResponseTask();
}
std::unique_ptr<net::test_server::HttpResponse>
SearchPreloadResponseController::CreateDeferrableResponse(
net::HttpStatusCode code,
const base::StringPairs& headers,
const std::string& response_body) {
std::unique_ptr<SearchPreloadDeferrableResponse> res =
std::make_unique<SearchPreloadDeferrableResponse>(
this, service_deferral_type_, code, headers, response_body);
return res;
}
|
