Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(623)

Side by Side Diff: ipc/ipc_channel_posix_unittest.cc

Issue 5749001: Add support for sockets that can listen and accept a connection. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Cleaned up some style nits Created 10 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
1 // Copyright (c) 2006-2009 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 // These tests are POSIX only.
6
7 #include <fcntl.h>
8 #include <sys/socket.h>
9 #include <sys/un.h>
10 #include <unistd.h>
11
12 #include "base/basictypes.h"
13 #include "base/eintr_wrapper.h"
14 #include "base/message_loop.h"
15 #include "base/scoped_ptr.h"
16 #include "base/test/multiprocess_test.h"
17 #include "ipc/ipc_channel_posix.h"
18 #include "testing/multiprocess_func_list.h"
19
20 namespace {
21
22 static const int kIPCPosixTestTimeOutInMS = 2000;
Paweł Hajdan Jr. 2010/12/10 18:48:15 Please use base/test/test_timeouts.
dmac 2010/12/13 18:32:29 Done. Thanks.. didn't know about those.
23 enum {
24 QUIT_MESSAGE = 47
25 };
26
27 class IPCChannelPosixTestListener : public IPC::Channel::Listener {
28 public:
29 enum STATUS {
30 DISCONNECTED,
31 MESSAGE_RECEIVED,
32 CHANNEL_ERROR,
33 CONNECTED,
34 DENIED,
35 LISTEN_ERROR
36 };
37
38 IPCChannelPosixTestListener() : status_(DISCONNECTED) {}
39 virtual ~IPCChannelPosixTestListener() {}
40 virtual void OnMessageReceived(const IPC::Message& message) {
41 EXPECT_EQ(message.type(), QUIT_MESSAGE);
42 status_ = MESSAGE_RECEIVED;
43 QuitRunLoop();
44 }
45
46 virtual void OnChannelConnected(int32 peer_pid) {
47 status_ = CONNECTED;
48 QuitRunLoop();
49 }
50
51 virtual void OnChannelError() {
52 status_ = CHANNEL_ERROR;
53 QuitRunLoop();
54 }
55
56 virtual void OnChannelDenied() {
57 status_ = DENIED;
58 QuitRunLoop();
59 }
60
61 virtual void OnChannelListenError() {
62 status_ = LISTEN_ERROR;
63 QuitRunLoop();
64 }
65
66 STATUS status() { return status_; }
67 void QuitRunLoop() {
68 MessageLoopForIO::current()->QuitNow();
69 }
70
71 private:
72 STATUS status_;
73 };
74
75 } // namespace
76
77 class IPCChannelPosixTest : public base::MultiProcessTest {
78 public:
79 static const char kConnectionSocketTestName[];
80 static void SetUpSocket(IPC::ChannelHandle *handle,
81 IPC::Channel::Mode mode);
82 static void SpinRunLoop(int milliseconds);
83
84 protected:
85 virtual void SetUp();
86 virtual void TearDown();
87
88 private:
89 scoped_ptr<MessageLoopForIO> message_loop_;
90 };
91
92 const char IPCChannelPosixTest::kConnectionSocketTestName[] =
93 "/var/tmp/chrome_IPCChannelPosixTest__AdvancedConnected";
94
95 void IPCChannelPosixTest::SetUp() {
96 MultiProcessTest::SetUp();
97 // Construct a fresh IO Message loop for the duration of each test.
98 message_loop_.reset(new MessageLoopForIO());
99 }
100
101 void IPCChannelPosixTest::TearDown() {
102 message_loop_.reset(NULL);
103 MultiProcessTest::TearDown();
104 }
105
106 // Create up a socket and bind and listen to it, or connect it
107 // depending on the |mode|.
108 void IPCChannelPosixTest::SetUpSocket(IPC::ChannelHandle *handle,
109 IPC::Channel::Mode mode) {
110 const std::string& name = handle->name;
111 int socket_fd = socket(PF_UNIX, SOCK_STREAM, 0);
112 ASSERT_GE(socket_fd, 0) << name;
113 ASSERT_GE(fcntl(socket_fd, F_SETFL, O_NONBLOCK), 0);
114 struct sockaddr_un server_address = { 0 };
115 server_address.sun_family = AF_UNIX;
116 memcpy(server_address.sun_path, name.c_str(), name.length() + 1);
117 if (mode == IPC::Channel::MODE_NAMED_SERVER) {
118 // Only one server at a time. Cleanup garbage if it exists.
119 unlink(name.c_str());
120 ASSERT_GE(bind(socket_fd,
121 reinterpret_cast<struct sockaddr *>(&server_address),
122 SUN_LEN(&server_address)), 0) << name;
123 ASSERT_GE(listen(socket_fd, SOMAXCONN), 0) << name;
124 } else if (mode == IPC::Channel::MODE_NAMED_CLIENT) {
125 ASSERT_GE(connect(socket_fd,
126 reinterpret_cast<struct sockaddr *>(&server_address),
127 SUN_LEN(&server_address)), 0) << name;
128 } else {
129 FAIL() << "Unknown mode " << mode;
130 }
131 handle->socket.fd = socket_fd;
132 }
133
134 void IPCChannelPosixTest::SpinRunLoop(int milliseconds) {
135 MessageLoopForIO *loop = MessageLoopForIO::current();
136 // Post a quit task so that this loop eventually ends and we don't hang
137 // in the case of a bad test.
Nico 2010/12/10 18:08:03 "Usually, the run loop will quit sooner than that
dmac 2010/12/13 18:32:29 Done.
dmac 2010/12/13 18:32:29 Done. But I don't know of any good way of enforcin
138 loop->PostDelayedTask(FROM_HERE, new MessageLoop::QuitTask(), milliseconds);
139 loop->Run();
140 }
141
142 TEST_F(IPCChannelPosixTest, BasicListen) {
143 // Test creating a socket that is listening.
144 IPC::ChannelHandle handle("/var/tmp/IPCChannelPosixTest::BasicListen");
145 SetUpSocket(&handle, IPC::Channel::MODE_NAMED_SERVER);
146 unlink(handle.name.c_str());
147 IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_SERVER, NULL);
148 ASSERT_TRUE(channel.Connect());
149 ASSERT_TRUE(channel.AcceptsConnections());
150 ASSERT_FALSE(channel.HasAcceptedConnection());
151 channel.ResetToAcceptingConnectionState();
152 ASSERT_FALSE(channel.HasAcceptedConnection());
153 }
154
155 TEST_F(IPCChannelPosixTest, BasicConnected) {
156 // Test creating a socket that is connected.
157 int pipe_fds[2];
158 ASSERT_EQ(socketpair(AF_UNIX, SOCK_STREAM, 0, pipe_fds), 0);
Nico 2010/12/10 18:08:03 the argument order for ASSERT is expected, actual
dmac 2010/12/13 18:32:29 Yes... which always bugs me ;-) Fixed.
159 std::string socket_name("/var/tmp/IPCChannelPosixTest::BasicConnected");
160 base::FileDescriptor fd(pipe_fds[0], false);
161 IPC::ChannelHandle handle(socket_name, fd);
162 IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_SERVER, NULL);
163 ASSERT_TRUE(channel.Connect());
164 ASSERT_FALSE(channel.AcceptsConnections());
165 channel.Close();
166 ASSERT_TRUE(HANDLE_EINTR(close(pipe_fds[1])) == 0);
167
168 // Make sure that we can use the socket that is created for us by
169 // a standard channel.
170 IPC::Channel channel2(socket_name, IPC::Channel::MODE_SERVER, NULL);
171 ASSERT_TRUE(channel2.Connect());
172 ASSERT_FALSE(channel2.AcceptsConnections());
173 }
174
175 TEST_F(IPCChannelPosixTest, AdvancedConnected) {
176 // Test creating a connection to an external process.
177 IPCChannelPosixTestListener listener;
178 IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
179 SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
180 IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
181 ASSERT_TRUE(channel.Connect());
182 ASSERT_TRUE(channel.AcceptsConnections());
183 ASSERT_FALSE(channel.HasAcceptedConnection());
184
185 base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
186 false);
187 ASSERT_TRUE(handle);
188 SpinRunLoop(kIPCPosixTestTimeOutInMS);
189 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CONNECTED);
190 ASSERT_TRUE(channel.HasAcceptedConnection());
191 IPC::Message* message = new IPC::Message(0, // routing_id
192 QUIT_MESSAGE, // message type
193 IPC::Message::PRIORITY_NORMAL);
194 channel.Send(message);
195 SpinRunLoop(kIPCPosixTestTimeOutInMS);
196 int exit_code = 0;
197 EXPECT_TRUE(base::WaitForExitCode(handle, &exit_code));
198 EXPECT_EQ(exit_code, 0);
199 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CHANNEL_ERROR);
200 ASSERT_FALSE(channel.HasAcceptedConnection());
201 }
202
203 TEST_F(IPCChannelPosixTest, ResetState) {
204 // Test creating a connection to an external process. Close the connection,
205 // but continue to listen and make sure another external process can connect
206 // to us.
207 IPCChannelPosixTestListener listener;
208 IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
209 SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
210 IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
211 ASSERT_TRUE(channel.Connect());
212 ASSERT_TRUE(channel.AcceptsConnections());
213 ASSERT_FALSE(channel.HasAcceptedConnection());
214
215 base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
216 false);
217 ASSERT_TRUE(handle);
218 SpinRunLoop(kIPCPosixTestTimeOutInMS);
219 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CONNECTED);
220 ASSERT_TRUE(channel.HasAcceptedConnection());
221 channel.ResetToAcceptingConnectionState();
222 ASSERT_FALSE(channel.HasAcceptedConnection());
223
224 base::ProcessHandle handle2 = SpawnChild("IPCChannelPosixTestConnectionProc",
225 false);
226 ASSERT_TRUE(handle2);
227 SpinRunLoop(kIPCPosixTestTimeOutInMS);
228 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CONNECTED);
229 ASSERT_TRUE(channel.HasAcceptedConnection());
230 IPC::Message* message = new IPC::Message(0, // routing_id
231 QUIT_MESSAGE, // message type
232 IPC::Message::PRIORITY_NORMAL);
233 channel.Send(message);
234 SpinRunLoop(kIPCPosixTestTimeOutInMS);
235 EXPECT_TRUE(base::KillProcess(handle, 0, false));
236 int exit_code = 0;
237 EXPECT_TRUE(base::WaitForExitCode(handle2, &exit_code));
238 EXPECT_EQ(exit_code, 0);
239 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CHANNEL_ERROR);
240 ASSERT_FALSE(channel.HasAcceptedConnection());
241 }
242
243 TEST_F(IPCChannelPosixTest, MultiConnection) {
244 // Test setting up a connection to an external process, and then have
245 // another external process attempt to connect to us.
246 IPCChannelPosixTestListener listener;
247 IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
248 SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
249 IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
250 ASSERT_TRUE(channel.Connect());
251 ASSERT_TRUE(channel.AcceptsConnections());
252 ASSERT_FALSE(channel.HasAcceptedConnection());
253
254 base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
255 false);
256 ASSERT_TRUE(handle);
257 SpinRunLoop(kIPCPosixTestTimeOutInMS);
258 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CONNECTED);
259 ASSERT_TRUE(channel.HasAcceptedConnection());
260 base::ProcessHandle handle2 = SpawnChild("IPCChannelPosixFailConnectionProc",
261 false);
262 ASSERT_TRUE(handle2);
263 SpinRunLoop(kIPCPosixTestTimeOutInMS);
264 int exit_code = 0;
265 EXPECT_TRUE(base::WaitForExitCode(handle2, &exit_code));
266 EXPECT_EQ(exit_code, 0);
267 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::DENIED);
268 ASSERT_TRUE(channel.HasAcceptedConnection());
269 IPC::Message* message = new IPC::Message(0, // routing_id
270 QUIT_MESSAGE, // message type
271 IPC::Message::PRIORITY_NORMAL);
272 channel.Send(message);
273 SpinRunLoop(kIPCPosixTestTimeOutInMS);
274 EXPECT_TRUE(base::WaitForExitCode(handle, &exit_code));
275 EXPECT_EQ(exit_code, 0);
276 ASSERT_EQ(listener.status(), IPCChannelPosixTestListener::CHANNEL_ERROR);
277 ASSERT_FALSE(channel.HasAcceptedConnection());
278 }
279
280 // A long running process that connects to us
281 MULTIPROCESS_TEST_MAIN(IPCChannelPosixTestConnectionProc) {
282 MessageLoopForIO message_loop;
283 IPCChannelPosixTestListener listener;
284 IPC::ChannelHandle handle(IPCChannelPosixTest::kConnectionSocketTestName);
285 IPCChannelPosixTest::SetUpSocket(&handle, IPC::Channel::MODE_NAMED_CLIENT);
286 IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_CLIENT, &listener);
287 EXPECT_TRUE(channel.Connect());
288 while (true) {
Paweł Hajdan Jr. 2010/12/10 18:48:15 Why do we spin the loop multiple times? Can't we d
dmac 2010/12/13 18:32:29 No, because some of the tests will return a variet
Paweł Hajdan Jr. 2010/12/13 20:48:40 I still don't understand. It's the test quitting t
289 IPCChannelPosixTest::SpinRunLoop(kIPCPosixTestTimeOutInMS);
290 if (listener.status() == IPCChannelPosixTestListener::MESSAGE_RECEIVED) {
291 break;
292 }
293 }
294 return 0;
295 }
296
297 // Simple external process that shouldn't be able to connect to us.
298 MULTIPROCESS_TEST_MAIN(IPCChannelPosixFailConnectionProc) {
299 MessageLoopForIO message_loop;
300 IPCChannelPosixTestListener listener;
301 IPC::ChannelHandle handle(IPCChannelPosixTest::kConnectionSocketTestName);
302 IPCChannelPosixTest::SetUpSocket(&handle, IPC::Channel::MODE_NAMED_CLIENT);
303 IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_CLIENT, &listener);
304
305 // In this case connect may succeed or fail depending on if the packet
306 // actually gets sent at sendmsg. Since we never delay on send, we may not
307 // see the error. However even if connect succeeds, eventually we will get an
308 // error back since the channel will be closed when we attempt to read from
309 // it.
310 bool connected = channel.Connect();
311 if (connected) {
312 IPCChannelPosixTest::SpinRunLoop(kIPCPosixTestTimeOutInMS);
313 EXPECT_EQ(listener.status(), IPCChannelPosixTestListener::CHANNEL_ERROR);
314 } else {
315 EXPECT_EQ(listener.status(), IPCChannelPosixTestListener::DISCONNECTED);
316 }
317 return 0;
318 }
319
OLDNEW
« ipc/ipc_channel_posix.cc ('K') | « ipc/ipc_channel_posix.cc ('k') | ipc/ipc_channel_win.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698