1 //
2 // Copyright (C) 2013 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16
17 #include "shill/socket_info_reader.h"
18
19 #include <base/files/file_util.h>
20 #include <base/files/scoped_temp_dir.h>
21 #include <base/strings/stringprintf.h>
22 #include <gmock/gmock.h>
23 #include <gtest/gtest.h>
24
25 using base::FilePath;
26 using base::ScopedTempDir;
27 using std::string;
28 using std::vector;
29 using testing::Return;
30
31 namespace shill {
32
33 namespace {
34
35 const char kIPv4AddressAllZeros[] = "0.0.0.0";
36 const char kIPv4AddressAllOnes[] = "255.255.255.255";
37 const char kIPv4Address_127_0_0_1[] = "127.0.0.1";
38 const char kIPv4Address_192_168_1_10[] = "192.168.1.10";
39 const char kIPv6AddressAllZeros[] = "0000:0000:0000:0000:0000:0000:0000:0000";
40 const char kIPv6AddressAllOnes[] = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff";
41 const char kIPv6AddressPattern1[] = "0123:4567:89ab:cdef:ffee:ddcc:bbaa:9988";
42
43 const char* kIPv4SocketInfoLines[] = {
44 " sl local_address rem_address st tx_queue rx_queue tr tm->when "
45 "retrnsmt uid timeout inode ",
46 " 0: 0100007F:0019 00000000:0000 0A 0000000A:00000005 00:00000000 "
47 "00000000 0 0 36948 1 0000000000000000 100 0 0 10 -1 ",
48 " 1: 0A01A8C0:0050 0100007F:03FC 01 00000000:00000000 00:00000000 "
49 "00000000 65534 0 2787034 1 0000000000000000 100 0 0 10 -1 ",
50 };
51 const char* kIPv6SocketInfoLines[] = {
52 " sl local_address "
53 "remote_address st tx_queue rx_queue tr tm->when "
54 "retrnsmt uid timeout inode",
55 " 0: 67452301EFCDAB89CCDDEEFF8899AABB:0019 "
56 "00000000000000000000000000000000:0000 0A 0000000A:00000005 00:00000000 "
57 "00000000 0 0 36412 1 0000000000000000 100 0 0 2 -1",
58 " 1: 00000000000000000000000000000000:0050 "
59 "67452301EFCDAB89CCDDEEFF8899AABB:03FC 01 00000000:00000000 00:00000000 "
60 "00000000 0 0 36412 1 0000000000000000 100 0 0 2 -1",
61 };
62
63 } // namespace
64
65 class SocketInfoReaderUnderTest : public SocketInfoReader {
66 public:
67 // Mock out GetTcpv4SocketInfoFilePath and GetTcpv6SocketInfoFilePath to
68 // use a temporary created socket info file instead of the actual path
69 // in procfs (i.e. /proc/net/tcp and /proc/net/tcp6).
70 MOCK_CONST_METHOD0(GetTcpv4SocketInfoFilePath, FilePath());
71 MOCK_CONST_METHOD0(GetTcpv6SocketInfoFilePath, FilePath());
72 };
73
74 class SocketInfoReaderTest : public testing::Test {
75 protected:
StringToIPv4Address(const string & address_string)76 IPAddress StringToIPv4Address(const string& address_string) {
77 IPAddress ip_address(IPAddress::kFamilyIPv4);
78 EXPECT_TRUE(ip_address.SetAddressFromString(address_string));
79 return ip_address;
80 }
81
StringToIPv6Address(const string & address_string)82 IPAddress StringToIPv6Address(const string& address_string) {
83 IPAddress ip_address(IPAddress::kFamilyIPv6);
84 EXPECT_TRUE(ip_address.SetAddressFromString(address_string));
85 return ip_address;
86 }
87
CreateSocketInfoFile(const char ** lines,size_t num_lines,const FilePath & dir_path,FilePath * file_path)88 void CreateSocketInfoFile(const char** lines, size_t num_lines,
89 const FilePath& dir_path, FilePath* file_path) {
90 ASSERT_TRUE(base::CreateTemporaryFileInDir(dir_path, file_path));
91 for (size_t i = 0; i < num_lines; ++i) {
92 string line = lines[i];
93 line += '\n';
94 ASSERT_TRUE(base::AppendToFile(*file_path, line.data(), line.size()));
95 }
96 }
97
ExpectSocketInfoEqual(const SocketInfo & info1,const SocketInfo & info2)98 void ExpectSocketInfoEqual(const SocketInfo& info1, const SocketInfo& info2) {
99 EXPECT_EQ(info1.connection_state(), info2.connection_state());
100 EXPECT_TRUE(info1.local_ip_address().Equals(info2.local_ip_address()));
101 EXPECT_EQ(info1.local_port(), info2.local_port());
102 EXPECT_TRUE(info1.remote_ip_address().Equals(info2.remote_ip_address()));
103 EXPECT_EQ(info1.remote_port(), info2.remote_port());
104 EXPECT_EQ(info1.transmit_queue_value(), info2.transmit_queue_value());
105 EXPECT_EQ(info1.receive_queue_value(), info2.receive_queue_value());
106 EXPECT_EQ(info1.timer_state(), info2.timer_state());
107 }
108
109 SocketInfoReaderUnderTest reader_;
110 };
111
TEST_F(SocketInfoReaderTest,LoadTcpSocketInfo)112 TEST_F(SocketInfoReaderTest, LoadTcpSocketInfo) {
113 FilePath invalid_path("/non-existent-file"), v4_path, v6_path;
114 ScopedTempDir temp_dir;
115 ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
116 CreateSocketInfoFile(kIPv4SocketInfoLines, 2, temp_dir.path(), &v4_path);
117 CreateSocketInfoFile(kIPv6SocketInfoLines, 2, temp_dir.path(), &v6_path);
118
119 SocketInfo v4_info(SocketInfo::kConnectionStateListen,
120 StringToIPv4Address(kIPv4Address_127_0_0_1),
121 25,
122 StringToIPv4Address(kIPv4AddressAllZeros),
123 0,
124 10,
125 5,
126 SocketInfo::kTimerStateNoTimerPending);
127 SocketInfo v6_info(SocketInfo::kConnectionStateListen,
128 StringToIPv6Address(kIPv6AddressPattern1),
129 25,
130 StringToIPv6Address(kIPv6AddressAllZeros),
131 0,
132 10,
133 5,
134 SocketInfo::kTimerStateNoTimerPending);
135
136 vector<SocketInfo> info_list;
137 EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath())
138 .WillOnce(Return(invalid_path));
139 EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath())
140 .WillOnce(Return(invalid_path));
141 EXPECT_FALSE(reader_.LoadTcpSocketInfo(&info_list));
142
143 EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath())
144 .WillOnce(Return(v4_path));
145 EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath())
146 .WillOnce(Return(invalid_path));
147 EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list));
148 EXPECT_EQ(1, info_list.size());
149 ExpectSocketInfoEqual(v4_info, info_list[0]);
150
151 EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath())
152 .WillOnce(Return(invalid_path));
153 EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath())
154 .WillOnce(Return(v6_path));
155 EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list));
156 EXPECT_EQ(1, info_list.size());
157 ExpectSocketInfoEqual(v6_info, info_list[0]);
158
159 EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath())
160 .WillOnce(Return(v4_path));
161 EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath())
162 .WillOnce(Return(v6_path));
163 EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list));
164 EXPECT_EQ(2, info_list.size());
165 ExpectSocketInfoEqual(v4_info, info_list[0]);
166 ExpectSocketInfoEqual(v6_info, info_list[1]);
167 }
168
TEST_F(SocketInfoReaderTest,AppendSocketInfo)169 TEST_F(SocketInfoReaderTest, AppendSocketInfo) {
170 FilePath file_path("/non-existent-file");
171 vector<SocketInfo> info_list;
172
173 EXPECT_FALSE(reader_.AppendSocketInfo(file_path, &info_list));
174 EXPECT_TRUE(info_list.empty());
175
176 ScopedTempDir temp_dir;
177 ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
178
179 CreateSocketInfoFile(kIPv4SocketInfoLines, 1, temp_dir.path(), &file_path);
180 EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list));
181 EXPECT_TRUE(info_list.empty());
182
183 SocketInfo v4_info1(SocketInfo::kConnectionStateListen,
184 StringToIPv4Address(kIPv4Address_127_0_0_1),
185 25,
186 StringToIPv4Address(kIPv4AddressAllZeros),
187 0,
188 10,
189 5,
190 SocketInfo::kTimerStateNoTimerPending);
191 SocketInfo v4_info2(SocketInfo::kConnectionStateEstablished,
192 StringToIPv4Address(kIPv4Address_192_168_1_10),
193 80,
194 StringToIPv4Address(kIPv4Address_127_0_0_1),
195 1020,
196 0,
197 0,
198 SocketInfo::kTimerStateNoTimerPending);
199 SocketInfo v6_info1(SocketInfo::kConnectionStateListen,
200 StringToIPv6Address(kIPv6AddressPattern1),
201 25,
202 StringToIPv6Address(kIPv6AddressAllZeros),
203 0,
204 10,
205 5,
206 SocketInfo::kTimerStateNoTimerPending);
207 SocketInfo v6_info2(SocketInfo::kConnectionStateEstablished,
208 StringToIPv6Address(kIPv6AddressAllZeros),
209 80,
210 StringToIPv6Address(kIPv6AddressPattern1),
211 1020,
212 0,
213 0,
214 SocketInfo::kTimerStateNoTimerPending);
215
216 CreateSocketInfoFile(kIPv4SocketInfoLines, arraysize(kIPv4SocketInfoLines),
217 temp_dir.path(), &file_path);
218 EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list));
219 EXPECT_EQ(arraysize(kIPv4SocketInfoLines) - 1, info_list.size());
220 ExpectSocketInfoEqual(v4_info1, info_list[0]);
221 ExpectSocketInfoEqual(v4_info2, info_list[1]);
222
223 CreateSocketInfoFile(kIPv6SocketInfoLines, arraysize(kIPv6SocketInfoLines),
224 temp_dir.path(), &file_path);
225 EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list));
226 EXPECT_EQ(
227 arraysize(kIPv4SocketInfoLines) + arraysize(kIPv6SocketInfoLines) - 2,
228 info_list.size());
229 ExpectSocketInfoEqual(v4_info1, info_list[0]);
230 ExpectSocketInfoEqual(v4_info2, info_list[1]);
231 ExpectSocketInfoEqual(v6_info1, info_list[2]);
232 ExpectSocketInfoEqual(v6_info2, info_list[3]);
233 }
234
TEST_F(SocketInfoReaderTest,ParseSocketInfo)235 TEST_F(SocketInfoReaderTest, ParseSocketInfo) {
236 SocketInfo info;
237
238 EXPECT_FALSE(reader_.ParseSocketInfo("", &info));
239 EXPECT_FALSE(reader_.ParseSocketInfo(kIPv4SocketInfoLines[0], &info));
240
241 EXPECT_TRUE(reader_.ParseSocketInfo(kIPv4SocketInfoLines[1], &info));
242 ExpectSocketInfoEqual(SocketInfo(SocketInfo::kConnectionStateListen,
243 StringToIPv4Address(kIPv4Address_127_0_0_1),
244 25,
245 StringToIPv4Address(kIPv4AddressAllZeros),
246 0,
247 10,
248 5,
249 SocketInfo::kTimerStateNoTimerPending),
250 info);
251 }
252
TEST_F(SocketInfoReaderTest,ParseIPAddressAndPort)253 TEST_F(SocketInfoReaderTest, ParseIPAddressAndPort) {
254 IPAddress ip_address(IPAddress::kFamilyUnknown);
255 uint16_t port = 0;
256
257 EXPECT_FALSE(reader_.ParseIPAddressAndPort("", &ip_address, &port));
258 EXPECT_FALSE(reader_.ParseIPAddressAndPort("00000000", &ip_address, &port));
259 EXPECT_FALSE(reader_.ParseIPAddressAndPort("00000000:", &ip_address, &port));
260 EXPECT_FALSE(reader_.ParseIPAddressAndPort(":0000", &ip_address, &port));
261 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
262 "0000000Y:0000", &ip_address, &port));
263 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
264 "00000000:000Y", &ip_address, &port));
265
266 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
267 "00000000000000000000000000000000", &ip_address, &port));
268 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
269 "00000000000000000000000000000000:", &ip_address, &port));
270 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
271 "00000000000000000000000000000000Y:0000", &ip_address, &port));
272 EXPECT_FALSE(reader_.ParseIPAddressAndPort(
273 "000000000000000000000000000000000:000Y", &ip_address, &port));
274
275 EXPECT_TRUE(reader_.ParseIPAddressAndPort(
276 "0a01A8c0:0050", &ip_address, &port));
277 EXPECT_TRUE(ip_address.Equals(
278 StringToIPv4Address(kIPv4Address_192_168_1_10)));
279 EXPECT_EQ(80, port);
280
281 EXPECT_TRUE(reader_.ParseIPAddressAndPort(
282 "67452301efcdab89CCDDEEFF8899AABB:1F90", &ip_address, &port));
283 EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressPattern1)));
284 EXPECT_EQ(8080, port);
285 }
286
TEST_F(SocketInfoReaderTest,ParseIPAddress)287 TEST_F(SocketInfoReaderTest, ParseIPAddress) {
288 IPAddress ip_address(IPAddress::kFamilyUnknown);
289
290 EXPECT_FALSE(reader_.ParseIPAddress("", &ip_address));
291 EXPECT_FALSE(reader_.ParseIPAddress("0", &ip_address));
292 EXPECT_FALSE(reader_.ParseIPAddress("00", &ip_address));
293 EXPECT_FALSE(reader_.ParseIPAddress("0000000Y", &ip_address));
294 EXPECT_FALSE(reader_.ParseIPAddress("0000000000000000000000000000000Y",
295 &ip_address));
296
297 EXPECT_TRUE(reader_.ParseIPAddress("00000000", &ip_address));
298 EXPECT_TRUE(ip_address.Equals(StringToIPv4Address(kIPv4AddressAllZeros)));
299
300 EXPECT_TRUE(reader_.ParseIPAddress("0100007F", &ip_address));
301 EXPECT_TRUE(ip_address.Equals(StringToIPv4Address(kIPv4Address_127_0_0_1)));
302
303 EXPECT_TRUE(reader_.ParseIPAddress("0a01A8c0", &ip_address));
304 EXPECT_TRUE(ip_address.Equals(
305 StringToIPv4Address(kIPv4Address_192_168_1_10)));
306
307 EXPECT_TRUE(reader_.ParseIPAddress("ffffffff", &ip_address));
308 EXPECT_TRUE(ip_address.Equals(
309 StringToIPv4Address(kIPv4AddressAllOnes)));
310
311 EXPECT_TRUE(reader_.ParseIPAddress("00000000000000000000000000000000",
312 &ip_address));
313 EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressAllZeros)));
314
315 EXPECT_TRUE(reader_.ParseIPAddress("67452301efcdab89CCDDEEFF8899AABB",
316 &ip_address));
317 EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressPattern1)));
318
319 EXPECT_TRUE(reader_.ParseIPAddress("ffffffffffffffffffffffffffffffff",
320 &ip_address));
321 EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressAllOnes)));
322 }
323
TEST_F(SocketInfoReaderTest,ParsePort)324 TEST_F(SocketInfoReaderTest, ParsePort) {
325 uint16_t port = 0;
326
327 EXPECT_FALSE(reader_.ParsePort("", &port));
328 EXPECT_FALSE(reader_.ParsePort("0", &port));
329 EXPECT_FALSE(reader_.ParsePort("00", &port));
330 EXPECT_FALSE(reader_.ParsePort("000", &port));
331 EXPECT_FALSE(reader_.ParsePort("000Y", &port));
332
333 EXPECT_TRUE(reader_.ParsePort("0000", &port));
334 EXPECT_EQ(0, port);
335
336 EXPECT_TRUE(reader_.ParsePort("0050", &port));
337 EXPECT_EQ(80, port);
338
339 EXPECT_TRUE(reader_.ParsePort("abCD", &port));
340 EXPECT_EQ(43981, port);
341
342 EXPECT_TRUE(reader_.ParsePort("ffff", &port));
343 EXPECT_EQ(65535, port);
344 }
345
TEST_F(SocketInfoReaderTest,ParseTransimitAndReceiveQueueValues)346 TEST_F(SocketInfoReaderTest, ParseTransimitAndReceiveQueueValues) {
347 uint64_t transmit_queue_value = 0, receive_queue_value = 0;
348
349 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
350 "", &transmit_queue_value, &receive_queue_value));
351 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
352 "00000000", &transmit_queue_value, &receive_queue_value));
353 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
354 "00000000:", &transmit_queue_value, &receive_queue_value));
355 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
356 ":00000000", &transmit_queue_value, &receive_queue_value));
357 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
358 "0000000Y:00000000", &transmit_queue_value, &receive_queue_value));
359 EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues(
360 "00000000:0000000Y", &transmit_queue_value, &receive_queue_value));
361
362 EXPECT_TRUE(reader_.ParseTransimitAndReceiveQueueValues(
363 "00000001:FFFFFFFF", &transmit_queue_value, &receive_queue_value));
364 EXPECT_EQ(1, transmit_queue_value);
365 EXPECT_EQ(0xffffffff, receive_queue_value);
366 }
367
TEST_F(SocketInfoReaderTest,ParseConnectionState)368 TEST_F(SocketInfoReaderTest, ParseConnectionState) {
369 SocketInfo::ConnectionState connection_state =
370 SocketInfo::kConnectionStateUnknown;
371
372 EXPECT_FALSE(reader_.ParseConnectionState("", &connection_state));
373 EXPECT_FALSE(reader_.ParseConnectionState("0", &connection_state));
374 EXPECT_FALSE(reader_.ParseConnectionState("X", &connection_state));
375
376 EXPECT_TRUE(reader_.ParseConnectionState("00", &connection_state));
377 EXPECT_EQ(SocketInfo::kConnectionStateUnknown, connection_state);
378 EXPECT_TRUE(reader_.ParseConnectionState("01", &connection_state));
379 EXPECT_EQ(SocketInfo::kConnectionStateEstablished, connection_state);
380 EXPECT_TRUE(reader_.ParseConnectionState("02", &connection_state));
381 EXPECT_EQ(SocketInfo::kConnectionStateSynSent, connection_state);
382 EXPECT_TRUE(reader_.ParseConnectionState("03", &connection_state));
383 EXPECT_EQ(SocketInfo::kConnectionStateSynRecv, connection_state);
384 EXPECT_TRUE(reader_.ParseConnectionState("04", &connection_state));
385 EXPECT_EQ(SocketInfo::kConnectionStateFinWait1, connection_state);
386 EXPECT_TRUE(reader_.ParseConnectionState("05", &connection_state));
387 EXPECT_EQ(SocketInfo::kConnectionStateFinWait2, connection_state);
388 EXPECT_TRUE(reader_.ParseConnectionState("06", &connection_state));
389 EXPECT_EQ(SocketInfo::kConnectionStateTimeWait, connection_state);
390 EXPECT_TRUE(reader_.ParseConnectionState("07", &connection_state));
391 EXPECT_EQ(SocketInfo::kConnectionStateClose, connection_state);
392 EXPECT_TRUE(reader_.ParseConnectionState("08", &connection_state));
393 EXPECT_EQ(SocketInfo::kConnectionStateCloseWait, connection_state);
394 EXPECT_TRUE(reader_.ParseConnectionState("09", &connection_state));
395 EXPECT_EQ(SocketInfo::kConnectionStateLastAck, connection_state);
396 EXPECT_TRUE(reader_.ParseConnectionState("0A", &connection_state));
397 EXPECT_EQ(SocketInfo::kConnectionStateListen, connection_state);
398 EXPECT_TRUE(reader_.ParseConnectionState("0B", &connection_state));
399 EXPECT_EQ(SocketInfo::kConnectionStateClosing, connection_state);
400
401 for (int i = SocketInfo::kConnectionStateMax; i < 256; ++i) {
402 EXPECT_TRUE(reader_.ParseConnectionState(
403 base::StringPrintf("%02X", i), &connection_state));
404 EXPECT_EQ(SocketInfo::kConnectionStateUnknown, connection_state);
405 }
406 }
407
TEST_F(SocketInfoReaderTest,ParseTimerState)408 TEST_F(SocketInfoReaderTest, ParseTimerState) {
409 SocketInfo::TimerState timer_state = SocketInfo::kTimerStateUnknown;
410
411 EXPECT_FALSE(reader_.ParseTimerState("", &timer_state));
412 EXPECT_FALSE(reader_.ParseTimerState("0", &timer_state));
413 EXPECT_FALSE(reader_.ParseTimerState("X", &timer_state));
414 EXPECT_FALSE(reader_.ParseTimerState("00", &timer_state));
415
416 EXPECT_TRUE(reader_.ParseTimerState("00:00000000", &timer_state));
417 EXPECT_EQ(SocketInfo::kTimerStateNoTimerPending, timer_state);
418 EXPECT_TRUE(reader_.ParseTimerState("01:00000000", &timer_state));
419 EXPECT_EQ(SocketInfo::kTimerStateRetransmitTimerPending, timer_state);
420 EXPECT_TRUE(reader_.ParseTimerState("02:00000000", &timer_state));
421 EXPECT_EQ(SocketInfo::kTimerStateAnotherTimerPending, timer_state);
422 EXPECT_TRUE(reader_.ParseTimerState("03:00000000", &timer_state));
423 EXPECT_EQ(SocketInfo::kTimerStateInTimeWaitState, timer_state);
424 EXPECT_TRUE(reader_.ParseTimerState("04:00000000", &timer_state));
425 EXPECT_EQ(SocketInfo::kTimerStateZeroWindowProbeTimerPending, timer_state);
426
427 for (int i = SocketInfo::kTimerStateMax; i < 256; ++i) {
428 EXPECT_TRUE(reader_.ParseTimerState(
429 base::StringPrintf("%02X:00000000", i), &timer_state));
430 EXPECT_EQ(SocketInfo::kTimerStateUnknown, timer_state);
431 }
432 }
433
434 } // namespace shill
435