Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 "src/tracing/core/packet_stream_validator.h" |
| 18 | |
| 19 | #include <string> |
| 20 | |
| 21 | #include "gtest/gtest.h" |
| 22 | |
| 23 | #include "perfetto/trace/trace_packet.pb.h" |
| 24 | |
| 25 | namespace perfetto { |
| 26 | namespace { |
| 27 | |
| 28 | TEST(PacketStreamValidatorTest, NullPacket) { |
| 29 | std::string ser_buf; |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 30 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 31 | EXPECT_TRUE(PacketStreamValidator::Validate(seq)); |
| 32 | } |
| 33 | |
| 34 | TEST(PacketStreamValidatorTest, SimplePacket) { |
| 35 | protos::TracePacket proto; |
| 36 | proto.mutable_for_testing()->set_str("string field"); |
| 37 | std::string ser_buf = proto.SerializeAsString(); |
| 38 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 39 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 40 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 41 | EXPECT_TRUE(PacketStreamValidator::Validate(seq)); |
| 42 | } |
| 43 | |
| 44 | TEST(PacketStreamValidatorTest, ComplexPacket) { |
| 45 | protos::TracePacket proto; |
| 46 | proto.mutable_for_testing()->set_str("string field"); |
| 47 | proto.mutable_ftrace_events()->set_cpu(0); |
| 48 | auto* ft = proto.mutable_ftrace_events()->add_event(); |
| 49 | ft->set_pid(42); |
| 50 | ft->mutable_sched_switch()->set_prev_comm("tom"); |
| 51 | ft->mutable_sched_switch()->set_prev_pid(123); |
| 52 | ft->mutable_sched_switch()->set_next_comm("jerry"); |
| 53 | ft->mutable_sched_switch()->set_next_pid(456); |
| 54 | std::string ser_buf = proto.SerializeAsString(); |
| 55 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 56 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 57 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 58 | EXPECT_TRUE(PacketStreamValidator::Validate(seq)); |
| 59 | } |
| 60 | |
| 61 | TEST(PacketStreamValidatorTest, SimplePacketWithUid) { |
| 62 | protos::TracePacket proto; |
| 63 | proto.set_trusted_uid(123); |
| 64 | std::string ser_buf = proto.SerializeAsString(); |
| 65 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 66 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 67 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 68 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 69 | } |
| 70 | |
| 71 | TEST(PacketStreamValidatorTest, SimplePacketWithZeroUid) { |
| 72 | protos::TracePacket proto; |
| 73 | proto.set_trusted_uid(0); |
| 74 | std::string ser_buf = proto.SerializeAsString(); |
| 75 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 76 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 77 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 78 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 79 | } |
| 80 | |
| 81 | TEST(PacketStreamValidatorTest, SimplePacketWithNegativeOneUid) { |
| 82 | protos::TracePacket proto; |
| 83 | proto.set_trusted_uid(-1); |
| 84 | std::string ser_buf = proto.SerializeAsString(); |
| 85 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 86 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 87 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 88 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 89 | } |
| 90 | |
| 91 | TEST(PacketStreamValidatorTest, ComplexPacketWithUid) { |
| 92 | protos::TracePacket proto; |
| 93 | proto.mutable_for_testing()->set_str("string field"); |
| 94 | proto.mutable_ftrace_events()->set_cpu(0); |
| 95 | auto* ft = proto.mutable_ftrace_events()->add_event(); |
| 96 | ft->set_pid(42); |
| 97 | ft->mutable_sched_switch()->set_prev_comm("tom"); |
| 98 | ft->mutable_sched_switch()->set_prev_pid(123); |
| 99 | ft->mutable_sched_switch()->set_next_comm("jerry"); |
| 100 | ft->mutable_sched_switch()->set_next_pid(456); |
| 101 | proto.set_trusted_uid(123); |
| 102 | std::string ser_buf = proto.SerializeAsString(); |
| 103 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 104 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 105 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 106 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 107 | } |
| 108 | |
| 109 | TEST(PacketStreamValidatorTest, FragmentedPacket) { |
| 110 | protos::TracePacket proto; |
| 111 | proto.mutable_for_testing()->set_str("string field"); |
| 112 | proto.mutable_ftrace_events()->set_cpu(0); |
| 113 | auto* ft = proto.mutable_ftrace_events()->add_event(); |
| 114 | ft->set_pid(42); |
| 115 | ft->mutable_sched_switch()->set_prev_comm("tom"); |
| 116 | ft->mutable_sched_switch()->set_prev_pid(123); |
| 117 | ft->mutable_sched_switch()->set_next_comm("jerry"); |
| 118 | ft->mutable_sched_switch()->set_next_pid(456); |
| 119 | std::string ser_buf = proto.SerializeAsString(); |
| 120 | |
| 121 | for (size_t i = 0; i < ser_buf.size(); i++) { |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 122 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 123 | seq.emplace_back(&ser_buf[0], i); |
| 124 | seq.emplace_back(&ser_buf[i], ser_buf.size() - i); |
| 125 | EXPECT_TRUE(PacketStreamValidator::Validate(seq)); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | TEST(PacketStreamValidatorTest, FragmentedPacketWithUid) { |
| 130 | protos::TracePacket proto; |
| 131 | proto.mutable_for_testing()->set_str("string field"); |
| 132 | proto.set_trusted_uid(123); |
| 133 | proto.mutable_ftrace_events()->set_cpu(0); |
| 134 | auto* ft = proto.mutable_ftrace_events()->add_event(); |
| 135 | ft->set_pid(42); |
| 136 | ft->mutable_sched_switch()->set_prev_comm("tom"); |
| 137 | ft->mutable_sched_switch()->set_prev_pid(123); |
| 138 | ft->mutable_sched_switch()->set_next_comm("jerry"); |
| 139 | ft->mutable_sched_switch()->set_next_pid(456); |
| 140 | proto.mutable_for_testing()->set_str("foo"); |
| 141 | std::string ser_buf = proto.SerializeAsString(); |
| 142 | |
| 143 | for (size_t i = 0; i < ser_buf.size(); i++) { |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 144 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 145 | seq.emplace_back(&ser_buf[0], i); |
| 146 | seq.emplace_back(&ser_buf[i], ser_buf.size() - i); |
| 147 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | TEST(PacketStreamValidatorTest, TruncatedPacket) { |
| 152 | protos::TracePacket proto; |
| 153 | proto.mutable_for_testing()->set_str("string field"); |
| 154 | std::string ser_buf = proto.SerializeAsString(); |
| 155 | |
| 156 | for (size_t i = 1; i < ser_buf.size(); i++) { |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 157 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 158 | seq.emplace_back(&ser_buf[0], i); |
| 159 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | TEST(PacketStreamValidatorTest, TrailingGarbage) { |
| 164 | protos::TracePacket proto; |
| 165 | proto.mutable_for_testing()->set_str("string field"); |
| 166 | std::string ser_buf = proto.SerializeAsString(); |
| 167 | ser_buf += "bike is short for bichael"; |
| 168 | |
Primiano Tucci | 16d1d63 | 2018-02-22 10:16:22 +0000 | [diff] [blame] | 169 | Slices seq; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 170 | seq.emplace_back(&ser_buf[0], ser_buf.size()); |
| 171 | EXPECT_FALSE(PacketStreamValidator::Validate(seq)); |
| 172 | } |
| 173 | |
| 174 | } // namespace |
| 175 | } // namespace perfetto |