| // |
| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "shill/socket_info_reader.h" |
| |
| #include <base/files/file_util.h> |
| #include <base/files/scoped_temp_dir.h> |
| #include <base/strings/stringprintf.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| using base::FilePath; |
| using base::ScopedTempDir; |
| using std::string; |
| using std::vector; |
| using testing::Return; |
| |
| namespace shill { |
| |
| namespace { |
| |
| const char kIPv4AddressAllZeros[] = "0.0.0.0"; |
| const char kIPv4AddressAllOnes[] = "255.255.255.255"; |
| const char kIPv4Address_127_0_0_1[] = "127.0.0.1"; |
| const char kIPv4Address_192_168_1_10[] = "192.168.1.10"; |
| const char kIPv6AddressAllZeros[] = "0000:0000:0000:0000:0000:0000:0000:0000"; |
| const char kIPv6AddressAllOnes[] = "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"; |
| const char kIPv6AddressPattern1[] = "0123:4567:89ab:cdef:ffee:ddcc:bbaa:9988"; |
| |
| const char* const kIPv4SocketInfoLines[] = { |
| " sl local_address rem_address st tx_queue rx_queue tr tm->when " |
| "retrnsmt uid timeout inode ", |
| " 0: 0100007F:0019 00000000:0000 0A 0000000A:00000005 00:00000000 " |
| "00000000 0 0 36948 1 0000000000000000 100 0 0 10 -1 ", |
| " 1: 0A01A8C0:0050 0100007F:03FC 01 00000000:00000000 00:00000000 " |
| "00000000 65534 0 2787034 1 0000000000000000 100 0 0 10 -1 ", |
| }; |
| const char* const kIPv6SocketInfoLines[] = { |
| " sl local_address " |
| "remote_address st tx_queue rx_queue tr tm->when " |
| "retrnsmt uid timeout inode", |
| " 0: 67452301EFCDAB89CCDDEEFF8899AABB:0019 " |
| "00000000000000000000000000000000:0000 0A 0000000A:00000005 00:00000000 " |
| "00000000 0 0 36412 1 0000000000000000 100 0 0 2 -1", |
| " 1: 00000000000000000000000000000000:0050 " |
| "67452301EFCDAB89CCDDEEFF8899AABB:03FC 01 00000000:00000000 00:00000000 " |
| "00000000 0 0 36412 1 0000000000000000 100 0 0 2 -1", |
| }; |
| |
| } // namespace |
| |
| class SocketInfoReaderUnderTest : public SocketInfoReader { |
| public: |
| // Mock out GetTcpv4SocketInfoFilePath and GetTcpv6SocketInfoFilePath to |
| // use a temporary created socket info file instead of the actual path |
| // in procfs (i.e. /proc/net/tcp and /proc/net/tcp6). |
| MOCK_CONST_METHOD0(GetTcpv4SocketInfoFilePath, FilePath()); |
| MOCK_CONST_METHOD0(GetTcpv6SocketInfoFilePath, FilePath()); |
| }; |
| |
| class SocketInfoReaderTest : public testing::Test { |
| protected: |
| IPAddress StringToIPv4Address(const string& address_string) { |
| IPAddress ip_address(IPAddress::kFamilyIPv4); |
| EXPECT_TRUE(ip_address.SetAddressFromString(address_string)); |
| return ip_address; |
| } |
| |
| IPAddress StringToIPv6Address(const string& address_string) { |
| IPAddress ip_address(IPAddress::kFamilyIPv6); |
| EXPECT_TRUE(ip_address.SetAddressFromString(address_string)); |
| return ip_address; |
| } |
| |
| void CreateSocketInfoFile(const char* const* lines, size_t num_lines, |
| const FilePath& dir_path, FilePath* file_path) { |
| ASSERT_TRUE(base::CreateTemporaryFileInDir(dir_path, file_path)); |
| for (size_t i = 0; i < num_lines; ++i) { |
| string line = lines[i]; |
| line += '\n'; |
| ASSERT_TRUE(base::AppendToFile(*file_path, line.data(), line.size())); |
| } |
| } |
| |
| void ExpectSocketInfoEqual(const SocketInfo& info1, const SocketInfo& info2) { |
| EXPECT_EQ(info1.connection_state(), info2.connection_state()); |
| EXPECT_TRUE(info1.local_ip_address().Equals(info2.local_ip_address())); |
| EXPECT_EQ(info1.local_port(), info2.local_port()); |
| EXPECT_TRUE(info1.remote_ip_address().Equals(info2.remote_ip_address())); |
| EXPECT_EQ(info1.remote_port(), info2.remote_port()); |
| EXPECT_EQ(info1.transmit_queue_value(), info2.transmit_queue_value()); |
| EXPECT_EQ(info1.receive_queue_value(), info2.receive_queue_value()); |
| EXPECT_EQ(info1.timer_state(), info2.timer_state()); |
| } |
| |
| SocketInfoReaderUnderTest reader_; |
| }; |
| |
| TEST_F(SocketInfoReaderTest, LoadTcpSocketInfo) { |
| FilePath invalid_path("/non-existent-file"), v4_path, v6_path; |
| ScopedTempDir temp_dir; |
| ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); |
| CreateSocketInfoFile(kIPv4SocketInfoLines, 2, temp_dir.GetPath(), &v4_path); |
| CreateSocketInfoFile(kIPv6SocketInfoLines, 2, temp_dir.GetPath(), &v6_path); |
| |
| SocketInfo v4_info(SocketInfo::kConnectionStateListen, |
| StringToIPv4Address(kIPv4Address_127_0_0_1), |
| 25, |
| StringToIPv4Address(kIPv4AddressAllZeros), |
| 0, |
| 10, |
| 5, |
| SocketInfo::kTimerStateNoTimerPending); |
| SocketInfo v6_info(SocketInfo::kConnectionStateListen, |
| StringToIPv6Address(kIPv6AddressPattern1), |
| 25, |
| StringToIPv6Address(kIPv6AddressAllZeros), |
| 0, |
| 10, |
| 5, |
| SocketInfo::kTimerStateNoTimerPending); |
| |
| vector<SocketInfo> info_list; |
| EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath()) |
| .WillOnce(Return(invalid_path)); |
| EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath()) |
| .WillOnce(Return(invalid_path)); |
| EXPECT_FALSE(reader_.LoadTcpSocketInfo(&info_list)); |
| |
| EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath()) |
| .WillOnce(Return(v4_path)); |
| EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath()) |
| .WillOnce(Return(invalid_path)); |
| EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list)); |
| EXPECT_EQ(1, info_list.size()); |
| ExpectSocketInfoEqual(v4_info, info_list[0]); |
| |
| EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath()) |
| .WillOnce(Return(invalid_path)); |
| EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath()) |
| .WillOnce(Return(v6_path)); |
| EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list)); |
| EXPECT_EQ(1, info_list.size()); |
| ExpectSocketInfoEqual(v6_info, info_list[0]); |
| |
| EXPECT_CALL(reader_, GetTcpv4SocketInfoFilePath()) |
| .WillOnce(Return(v4_path)); |
| EXPECT_CALL(reader_, GetTcpv6SocketInfoFilePath()) |
| .WillOnce(Return(v6_path)); |
| EXPECT_TRUE(reader_.LoadTcpSocketInfo(&info_list)); |
| EXPECT_EQ(2, info_list.size()); |
| ExpectSocketInfoEqual(v4_info, info_list[0]); |
| ExpectSocketInfoEqual(v6_info, info_list[1]); |
| } |
| |
| TEST_F(SocketInfoReaderTest, AppendSocketInfo) { |
| FilePath file_path("/non-existent-file"); |
| vector<SocketInfo> info_list; |
| |
| EXPECT_FALSE(reader_.AppendSocketInfo(file_path, &info_list)); |
| EXPECT_TRUE(info_list.empty()); |
| |
| ScopedTempDir temp_dir; |
| ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); |
| |
| CreateSocketInfoFile(kIPv4SocketInfoLines, 1, temp_dir.GetPath(), &file_path); |
| EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list)); |
| EXPECT_TRUE(info_list.empty()); |
| |
| SocketInfo v4_info1(SocketInfo::kConnectionStateListen, |
| StringToIPv4Address(kIPv4Address_127_0_0_1), |
| 25, |
| StringToIPv4Address(kIPv4AddressAllZeros), |
| 0, |
| 10, |
| 5, |
| SocketInfo::kTimerStateNoTimerPending); |
| SocketInfo v4_info2(SocketInfo::kConnectionStateEstablished, |
| StringToIPv4Address(kIPv4Address_192_168_1_10), |
| 80, |
| StringToIPv4Address(kIPv4Address_127_0_0_1), |
| 1020, |
| 0, |
| 0, |
| SocketInfo::kTimerStateNoTimerPending); |
| SocketInfo v6_info1(SocketInfo::kConnectionStateListen, |
| StringToIPv6Address(kIPv6AddressPattern1), |
| 25, |
| StringToIPv6Address(kIPv6AddressAllZeros), |
| 0, |
| 10, |
| 5, |
| SocketInfo::kTimerStateNoTimerPending); |
| SocketInfo v6_info2(SocketInfo::kConnectionStateEstablished, |
| StringToIPv6Address(kIPv6AddressAllZeros), |
| 80, |
| StringToIPv6Address(kIPv6AddressPattern1), |
| 1020, |
| 0, |
| 0, |
| SocketInfo::kTimerStateNoTimerPending); |
| |
| CreateSocketInfoFile(kIPv4SocketInfoLines, |
| arraysize(kIPv4SocketInfoLines), |
| temp_dir.GetPath(), |
| &file_path); |
| EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list)); |
| EXPECT_EQ(arraysize(kIPv4SocketInfoLines) - 1, info_list.size()); |
| ExpectSocketInfoEqual(v4_info1, info_list[0]); |
| ExpectSocketInfoEqual(v4_info2, info_list[1]); |
| |
| CreateSocketInfoFile(kIPv6SocketInfoLines, |
| arraysize(kIPv6SocketInfoLines), |
| temp_dir.GetPath(), |
| &file_path); |
| EXPECT_TRUE(reader_.AppendSocketInfo(file_path, &info_list)); |
| EXPECT_EQ( |
| arraysize(kIPv4SocketInfoLines) + arraysize(kIPv6SocketInfoLines) - 2, |
| info_list.size()); |
| ExpectSocketInfoEqual(v4_info1, info_list[0]); |
| ExpectSocketInfoEqual(v4_info2, info_list[1]); |
| ExpectSocketInfoEqual(v6_info1, info_list[2]); |
| ExpectSocketInfoEqual(v6_info2, info_list[3]); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseSocketInfo) { |
| SocketInfo info; |
| |
| EXPECT_FALSE(reader_.ParseSocketInfo("", &info)); |
| EXPECT_FALSE(reader_.ParseSocketInfo(kIPv4SocketInfoLines[0], &info)); |
| |
| EXPECT_TRUE(reader_.ParseSocketInfo(kIPv4SocketInfoLines[1], &info)); |
| ExpectSocketInfoEqual(SocketInfo(SocketInfo::kConnectionStateListen, |
| StringToIPv4Address(kIPv4Address_127_0_0_1), |
| 25, |
| StringToIPv4Address(kIPv4AddressAllZeros), |
| 0, |
| 10, |
| 5, |
| SocketInfo::kTimerStateNoTimerPending), |
| info); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseIPAddressAndPort) { |
| IPAddress ip_address(IPAddress::kFamilyUnknown); |
| uint16_t port = 0; |
| |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort("", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort("00000000", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort("00000000:", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort(":0000", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "0000000Y:0000", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "00000000:000Y", &ip_address, &port)); |
| |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "00000000000000000000000000000000", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "00000000000000000000000000000000:", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "00000000000000000000000000000000Y:0000", &ip_address, &port)); |
| EXPECT_FALSE(reader_.ParseIPAddressAndPort( |
| "000000000000000000000000000000000:000Y", &ip_address, &port)); |
| |
| EXPECT_TRUE(reader_.ParseIPAddressAndPort( |
| "0a01A8c0:0050", &ip_address, &port)); |
| EXPECT_TRUE(ip_address.Equals( |
| StringToIPv4Address(kIPv4Address_192_168_1_10))); |
| EXPECT_EQ(80, port); |
| |
| EXPECT_TRUE(reader_.ParseIPAddressAndPort( |
| "67452301efcdab89CCDDEEFF8899AABB:1F90", &ip_address, &port)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressPattern1))); |
| EXPECT_EQ(8080, port); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseIPAddress) { |
| IPAddress ip_address(IPAddress::kFamilyUnknown); |
| |
| EXPECT_FALSE(reader_.ParseIPAddress("", &ip_address)); |
| EXPECT_FALSE(reader_.ParseIPAddress("0", &ip_address)); |
| EXPECT_FALSE(reader_.ParseIPAddress("00", &ip_address)); |
| EXPECT_FALSE(reader_.ParseIPAddress("0000000Y", &ip_address)); |
| EXPECT_FALSE(reader_.ParseIPAddress("0000000000000000000000000000000Y", |
| &ip_address)); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("00000000", &ip_address)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv4Address(kIPv4AddressAllZeros))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("0100007F", &ip_address)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv4Address(kIPv4Address_127_0_0_1))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("0a01A8c0", &ip_address)); |
| EXPECT_TRUE(ip_address.Equals( |
| StringToIPv4Address(kIPv4Address_192_168_1_10))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("ffffffff", &ip_address)); |
| EXPECT_TRUE(ip_address.Equals( |
| StringToIPv4Address(kIPv4AddressAllOnes))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("00000000000000000000000000000000", |
| &ip_address)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressAllZeros))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("67452301efcdab89CCDDEEFF8899AABB", |
| &ip_address)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressPattern1))); |
| |
| EXPECT_TRUE(reader_.ParseIPAddress("ffffffffffffffffffffffffffffffff", |
| &ip_address)); |
| EXPECT_TRUE(ip_address.Equals(StringToIPv6Address(kIPv6AddressAllOnes))); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParsePort) { |
| uint16_t port = 0; |
| |
| EXPECT_FALSE(reader_.ParsePort("", &port)); |
| EXPECT_FALSE(reader_.ParsePort("0", &port)); |
| EXPECT_FALSE(reader_.ParsePort("00", &port)); |
| EXPECT_FALSE(reader_.ParsePort("000", &port)); |
| EXPECT_FALSE(reader_.ParsePort("000Y", &port)); |
| |
| EXPECT_TRUE(reader_.ParsePort("0000", &port)); |
| EXPECT_EQ(0, port); |
| |
| EXPECT_TRUE(reader_.ParsePort("0050", &port)); |
| EXPECT_EQ(80, port); |
| |
| EXPECT_TRUE(reader_.ParsePort("abCD", &port)); |
| EXPECT_EQ(43981, port); |
| |
| EXPECT_TRUE(reader_.ParsePort("ffff", &port)); |
| EXPECT_EQ(65535, port); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseTransimitAndReceiveQueueValues) { |
| uint64_t transmit_queue_value = 0, receive_queue_value = 0; |
| |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| "", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| "00000000", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| "00000000:", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| ":00000000", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| "0000000Y:00000000", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_FALSE(reader_.ParseTransimitAndReceiveQueueValues( |
| "00000000:0000000Y", &transmit_queue_value, &receive_queue_value)); |
| |
| EXPECT_TRUE(reader_.ParseTransimitAndReceiveQueueValues( |
| "00000001:FFFFFFFF", &transmit_queue_value, &receive_queue_value)); |
| EXPECT_EQ(1, transmit_queue_value); |
| EXPECT_EQ(0xffffffff, receive_queue_value); |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseConnectionState) { |
| SocketInfo::ConnectionState connection_state = |
| SocketInfo::kConnectionStateUnknown; |
| |
| EXPECT_FALSE(reader_.ParseConnectionState("", &connection_state)); |
| EXPECT_FALSE(reader_.ParseConnectionState("0", &connection_state)); |
| EXPECT_FALSE(reader_.ParseConnectionState("X", &connection_state)); |
| |
| EXPECT_TRUE(reader_.ParseConnectionState("00", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateUnknown, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("01", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateEstablished, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("02", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateSynSent, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("03", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateSynRecv, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("04", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateFinWait1, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("05", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateFinWait2, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("06", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateTimeWait, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("07", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateClose, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("08", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateCloseWait, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("09", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateLastAck, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("0A", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateListen, connection_state); |
| EXPECT_TRUE(reader_.ParseConnectionState("0B", &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateClosing, connection_state); |
| |
| for (int i = SocketInfo::kConnectionStateMax; i < 256; ++i) { |
| EXPECT_TRUE(reader_.ParseConnectionState( |
| base::StringPrintf("%02X", i), &connection_state)); |
| EXPECT_EQ(SocketInfo::kConnectionStateUnknown, connection_state); |
| } |
| } |
| |
| TEST_F(SocketInfoReaderTest, ParseTimerState) { |
| SocketInfo::TimerState timer_state = SocketInfo::kTimerStateUnknown; |
| |
| EXPECT_FALSE(reader_.ParseTimerState("", &timer_state)); |
| EXPECT_FALSE(reader_.ParseTimerState("0", &timer_state)); |
| EXPECT_FALSE(reader_.ParseTimerState("X", &timer_state)); |
| EXPECT_FALSE(reader_.ParseTimerState("00", &timer_state)); |
| |
| EXPECT_TRUE(reader_.ParseTimerState("00:00000000", &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateNoTimerPending, timer_state); |
| EXPECT_TRUE(reader_.ParseTimerState("01:00000000", &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateRetransmitTimerPending, timer_state); |
| EXPECT_TRUE(reader_.ParseTimerState("02:00000000", &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateAnotherTimerPending, timer_state); |
| EXPECT_TRUE(reader_.ParseTimerState("03:00000000", &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateInTimeWaitState, timer_state); |
| EXPECT_TRUE(reader_.ParseTimerState("04:00000000", &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateZeroWindowProbeTimerPending, timer_state); |
| |
| for (int i = SocketInfo::kTimerStateMax; i < 256; ++i) { |
| EXPECT_TRUE(reader_.ParseTimerState( |
| base::StringPrintf("%02X:00000000", i), &timer_state)); |
| EXPECT_EQ(SocketInfo::kTimerStateUnknown, timer_state); |
| } |
| } |
| |
| } // namespace shill |
