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1 // Copyright 2017 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 #include "remoting/protocol/data_channel_manager.h" | |
6 | |
7 #include <map> | |
8 #include <utility> | |
9 | |
10 #include "base/bind.h" | |
11 #include "base/memory/ptr_util.h" | |
12 #include "base/message_loop/message_loop.h" | |
13 #include "base/run_loop.h" | |
14 #include "remoting/base/compound_buffer.h" | |
15 #include "remoting/proto/test.pb.h" | |
16 #include "remoting/protocol/fake_message_pipe.h" | |
17 #include "remoting/protocol/fake_message_pipe_wrapper.h" | |
18 #include "remoting/protocol/named_message_pipe_handler.h" | |
19 #include "testing/gtest/include/gtest/gtest.h" | |
20 | |
21 namespace remoting { | |
22 namespace protocol { | |
23 | |
24 namespace { | |
25 | |
26 class FakeNamedMessagePipeHandler final : public NamedMessagePipeHandler { | |
27 public: | |
28 FakeNamedMessagePipeHandler(const std::string& name, | |
29 std::unique_ptr<MessagePipe> pipe, | |
30 const std::string& expected_data) | |
31 : NamedMessagePipeHandler(name, std::move(pipe)), | |
32 expected_data_(expected_data) { | |
33 handlers_[name] = this; | |
34 } | |
35 | |
36 int received_message_count() const { return received_message_count_; } | |
37 | |
38 static FakeNamedMessagePipeHandler* Find(const std::string& name); | |
39 | |
40 static int instance_count() { return handlers_.size(); } | |
41 | |
42 // NamedMessagePipeHandler implementation. | |
43 void OnIncomingMessage(std::unique_ptr<CompoundBuffer> message) override; | |
44 | |
45 // Public functions for test cases. | |
46 void Close() { NamedMessagePipeHandler::Close(); } | |
47 | |
48 bool connected() const { return NamedMessagePipeHandler::connected(); } | |
49 | |
50 void Send(google::protobuf::MessageLite* message, | |
51 const base::Closure& done); | |
52 | |
53 protected: | |
54 ~FakeNamedMessagePipeHandler() override { | |
55 EXPECT_EQ(handlers_.erase(pipe_name()), 1U); | |
56 } | |
57 | |
58 private: | |
59 static std::map<std::string, FakeNamedMessagePipeHandler*> handlers_; | |
60 | |
61 const std::string expected_data_; | |
62 int received_message_count_ = 0; | |
63 }; | |
64 | |
65 void FakeNamedMessagePipeHandler::OnIncomingMessage( | |
66 std::unique_ptr<CompoundBuffer> message) { | |
67 ASSERT_TRUE(message != nullptr); | |
68 std::string content; | |
69 content.resize(expected_data_.size()); | |
70 message->CopyTo(&(content[0]), content.size()); | |
71 ASSERT_EQ(content, expected_data_); | |
72 received_message_count_++; | |
73 } | |
74 | |
75 // static | |
76 FakeNamedMessagePipeHandler* FakeNamedMessagePipeHandler::Find( | |
77 const std::string& name) { | |
78 auto it = handlers_.find(name); | |
79 if (it == handlers_.end()) { | |
80 return nullptr; | |
81 } | |
82 return it->second; | |
83 } | |
84 | |
85 void FakeNamedMessagePipeHandler::Send(google::protobuf::MessageLite* message, | |
86 const base::Closure& done) { | |
87 if (connected()) { | |
88 NamedMessagePipeHandler::Send(message, done); | |
89 return; | |
90 } | |
91 #if DCHECK_IS_ON() | |
92 ASSERT_DEATH_IF_SUPPORTED( | |
93 NamedMessagePipeHandler::Send(message, done), | |
94 "connected"); | |
95 #else | |
96 NamedMessagePipeHandler::Send(message, done); | |
97 #endif | |
98 } | |
99 | |
100 // static | |
101 std::map<std::string, FakeNamedMessagePipeHandler*> | |
102 FakeNamedMessagePipeHandler::handlers_; | |
103 | |
104 void TestDataChannelManagerFullMatch(bool asynchronous) { | |
105 base::MessageLoop message_loop; | |
106 DataChannelManager manager; | |
107 manager.RegisterCreateHandlerCallback("FullMatch", base::Bind( | |
108 [](const std::string& expected_data, | |
109 const std::string& name, | |
110 std::unique_ptr<MessagePipe> pipe) -> void { | |
111 new FakeNamedMessagePipeHandler(name, std::move(pipe), expected_data); | |
112 }, | |
113 "FullMatchContent")); | |
114 manager.RegisterCreateHandlerCallback("AnotherFullMatch", base::Bind( | |
115 [](const std::string& expected_data, | |
116 const std::string& name, | |
117 std::unique_ptr<MessagePipe> pipe) -> void { | |
118 new FakeNamedMessagePipeHandler(name, std::move(pipe), expected_data); | |
119 }, | |
120 "AnotherFullMatchContent")); | |
121 | |
122 FakeMessagePipe pipe1(asynchronous); | |
123 FakeMessagePipe pipe2(asynchronous); | |
124 ASSERT_TRUE(manager.OnIncomingDataChannel("FullMatch", pipe1.Wrap())); | |
125 ASSERT_TRUE(manager.OnIncomingDataChannel("AnotherFullMatch", pipe2.Wrap())); | |
126 base::RunLoop().RunUntilIdle(); | |
127 | |
128 FakeNamedMessagePipeHandler* handler1 = | |
129 FakeNamedMessagePipeHandler::Find("FullMatch"); | |
130 FakeNamedMessagePipeHandler* handler2 = | |
131 FakeNamedMessagePipeHandler::Find("AnotherFullMatch"); | |
132 ASSERT_TRUE(handler1 != nullptr); | |
133 ASSERT_TRUE(handler2 != nullptr); | |
134 | |
135 pipe1.OpenPipe(); | |
136 base::RunLoop().RunUntilIdle(); | |
137 { | |
138 DataChannelManagerTestProto message; | |
139 int sent = 0; | |
140 base::Closure sent_callback = base::Bind([](int* sent) { | |
141 (*sent)++; | |
142 }, | |
143 base::Unretained(&sent)); | |
144 ASSERT_TRUE(handler1->connected()); | |
145 handler1->Send(&message, sent_callback); | |
146 ASSERT_FALSE(handler2->connected()); | |
147 handler2->Send(&message, sent_callback); | |
148 | |
149 base::RunLoop().RunUntilIdle(); | |
150 ASSERT_EQ(sent, 1); | |
151 } | |
152 | |
153 pipe2.OpenPipe(); | |
154 base::RunLoop().RunUntilIdle(); | |
155 { | |
156 DataChannelManagerTestProto message; | |
157 int sent = 0; | |
158 base::Closure sent_callback = base::Bind([](int* sent) { | |
159 (*sent)++; | |
160 }, | |
161 base::Unretained(&sent)); | |
162 ASSERT_TRUE(handler2->connected()); | |
163 | |
164 handler1->Send(&message, sent_callback); | |
165 handler2->Send(&message, sent_callback); | |
166 | |
167 base::RunLoop().RunUntilIdle(); | |
168 ASSERT_EQ(sent, 2); | |
169 } | |
170 | |
171 { | |
172 std::string content; | |
173 auto message = base::MakeUnique<CompoundBuffer>(); | |
174 content = "FullMatchContent"; | |
175 message->AppendCopyOf(&(content[0]), content.size()); | |
176 pipe1.Receive(std::move(message)); | |
177 | |
178 message = base::MakeUnique<CompoundBuffer>(); | |
179 content = "AnotherFullMatchContent"; | |
180 message->AppendCopyOf(&(content[0]), content.size()); | |
181 pipe2.Receive(std::move(message)); | |
182 | |
183 base::RunLoop().RunUntilIdle(); | |
184 ASSERT_EQ(handler1->received_message_count(), 1); | |
185 ASSERT_EQ(handler2->received_message_count(), 1); | |
186 } | |
187 | |
188 pipe2.ClosePipe(); | |
189 if (asynchronous) { | |
190 base::RunLoop().RunUntilIdle(); | |
191 } | |
192 ASSERT_TRUE(FakeNamedMessagePipeHandler::Find("AnotherFullMatch") == nullptr); | |
193 | |
194 handler1->Close(); | |
195 ASSERT_TRUE(FakeNamedMessagePipeHandler::Find("FullMatch") == nullptr); | |
196 | |
197 ASSERT_EQ(FakeNamedMessagePipeHandler::instance_count(), 0); | |
198 } | |
199 | |
200 void TestDataChannelManagerMultipleRegistrations(bool asynchronous) { | |
201 base::MessageLoop message_loop; | |
202 DataChannelManager manager; | |
203 manager.RegisterCreateHandlerCallback("FullMatch", base::Bind( | |
204 [](const std::string& expected_data, | |
205 const std::string& name, | |
206 std::unique_ptr<MessagePipe> pipe) -> void { | |
207 new FakeNamedMessagePipeHandler(name, std::move(pipe), expected_data); | |
208 }, | |
209 "FullMatchContent")); | |
210 manager.RegisterCreateHandlerCallback("Prefix-", base::Bind( | |
211 [](const std::string& expected_data, | |
212 const std::string& name, | |
213 std::unique_ptr<MessagePipe> pipe) -> void { | |
214 new FakeNamedMessagePipeHandler(name, std::move(pipe), expected_data); | |
215 }, | |
216 "PrefixMatchContent")); | |
217 | |
218 FakeMessagePipe pipe1(asynchronous); | |
219 FakeMessagePipe pipe2(asynchronous); | |
220 FakeMessagePipe pipe3(asynchronous); | |
221 FakeMessagePipe pipe4(asynchronous); | |
222 ASSERT_TRUE(manager.OnIncomingDataChannel("Prefix-1", pipe1.Wrap())); | |
223 ASSERT_TRUE(manager.OnIncomingDataChannel("Prefix-2", pipe2.Wrap())); | |
224 ASSERT_FALSE(manager.OnIncomingDataChannel( | |
225 "PrefixShouldNotMatch", pipe3.Wrap())); | |
226 ASSERT_TRUE(manager.OnIncomingDataChannel("FullMatch", pipe4.Wrap())); | |
227 base::RunLoop().RunUntilIdle(); | |
228 | |
229 FakeNamedMessagePipeHandler* handler1 = | |
230 FakeNamedMessagePipeHandler::Find("Prefix-1"); | |
231 FakeNamedMessagePipeHandler* handler2 = | |
232 FakeNamedMessagePipeHandler::Find("Prefix-2"); | |
233 FakeNamedMessagePipeHandler* handler3 = | |
234 FakeNamedMessagePipeHandler::Find("PrefixShouldNotMatch"); | |
235 FakeNamedMessagePipeHandler* handler4 = | |
236 FakeNamedMessagePipeHandler::Find("FullMatch"); | |
237 ASSERT_TRUE(handler1 != nullptr); | |
238 ASSERT_TRUE(handler2 != nullptr); | |
239 ASSERT_TRUE(handler3 == nullptr); | |
240 ASSERT_TRUE(handler4 != nullptr); | |
241 | |
242 handler1->Close(); | |
243 handler2->Close(); | |
244 handler4->Close(); | |
245 base::RunLoop().RunUntilIdle(); | |
246 } | |
247 | |
248 } // namespace | |
249 | |
250 TEST(DataChannelManagerTest, FullMatchWithSynchronousPipe) { | |
251 TestDataChannelManagerFullMatch(false); | |
252 } | |
253 | |
254 TEST(DataChannelManagerTest, FullMatchWithAsynchronousPipe) { | |
255 TestDataChannelManagerFullMatch(true); | |
256 } | |
257 | |
258 TEST(DataChannelManagerTest, MultipleRegistrationsWithSynchronousPipe) { | |
259 TestDataChannelManagerMultipleRegistrations(false); | |
260 } | |
261 | |
262 TEST(DataChannelManagerTest, MultipleRegistrationsWithAsynchronousPipe) { | |
263 TestDataChannelManagerMultipleRegistrations(true); | |
264 } | |
265 | |
266 } // namespace protocol | |
267 } // namespace remoting | |
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