wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 1 | /* |
kjellander | b24317b | 2016-02-10 07:54:43 -0800 | [diff] [blame] | 2 | * Copyright 2013 The WebRTC project authors. All Rights Reserved. |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 3 | * |
kjellander | b24317b | 2016-02-10 07:54:43 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #include "pc/sctputils.h" |
| 12 | #include "rtc_base/bytebuffer.h" |
| 13 | #include "rtc_base/copyonwritebuffer.h" |
| 14 | #include "rtc_base/gunit.h" |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 15 | |
| 16 | class SctpUtilsTest : public testing::Test { |
| 17 | public: |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 18 | void VerifyOpenMessageFormat(const rtc::CopyOnWriteBuffer& packet, |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 19 | const std::string& label, |
| 20 | const webrtc::DataChannelInit& config) { |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 21 | uint8_t message_type; |
| 22 | uint8_t channel_type; |
| 23 | uint32_t reliability; |
| 24 | uint16_t priority; |
| 25 | uint16_t label_length; |
| 26 | uint16_t protocol_length; |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 27 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 28 | rtc::ByteBufferReader buffer(packet.data<char>(), packet.size()); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 29 | ASSERT_TRUE(buffer.ReadUInt8(&message_type)); |
| 30 | EXPECT_EQ(0x03, message_type); |
| 31 | |
| 32 | ASSERT_TRUE(buffer.ReadUInt8(&channel_type)); |
| 33 | if (config.ordered) { |
| 34 | EXPECT_EQ(config.maxRetransmits > -1 ? |
| 35 | 0x01 : (config.maxRetransmitTime > -1 ? 0x02 : 0), |
| 36 | channel_type); |
| 37 | } else { |
| 38 | EXPECT_EQ(config.maxRetransmits > -1 ? |
| 39 | 0x81 : (config.maxRetransmitTime > -1 ? 0x82 : 0x80), |
| 40 | channel_type); |
| 41 | } |
| 42 | |
wu@webrtc.org | 97077a3 | 2013-10-25 21:18:33 +0000 | [diff] [blame] | 43 | ASSERT_TRUE(buffer.ReadUInt16(&priority)); |
| 44 | |
| 45 | ASSERT_TRUE(buffer.ReadUInt32(&reliability)); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 46 | if (config.maxRetransmits > -1 || config.maxRetransmitTime > -1) { |
| 47 | EXPECT_EQ(config.maxRetransmits > -1 ? |
| 48 | config.maxRetransmits : config.maxRetransmitTime, |
wu@webrtc.org | 97077a3 | 2013-10-25 21:18:33 +0000 | [diff] [blame] | 49 | static_cast<int>(reliability)); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 50 | } |
| 51 | |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 52 | ASSERT_TRUE(buffer.ReadUInt16(&label_length)); |
| 53 | ASSERT_TRUE(buffer.ReadUInt16(&protocol_length)); |
| 54 | EXPECT_EQ(label.size(), label_length); |
| 55 | EXPECT_EQ(config.protocol.size(), protocol_length); |
| 56 | |
| 57 | std::string label_output; |
| 58 | ASSERT_TRUE(buffer.ReadString(&label_output, label_length)); |
| 59 | EXPECT_EQ(label, label_output); |
| 60 | std::string protocol_output; |
| 61 | ASSERT_TRUE(buffer.ReadString(&protocol_output, protocol_length)); |
| 62 | EXPECT_EQ(config.protocol, protocol_output); |
| 63 | } |
| 64 | }; |
| 65 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 66 | TEST_F(SctpUtilsTest, WriteParseOpenMessageWithOrderedReliable) { |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 67 | webrtc::DataChannelInit config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 68 | std::string label = "abc"; |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 69 | config.protocol = "y"; |
| 70 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 71 | rtc::CopyOnWriteBuffer packet; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 72 | ASSERT_TRUE(webrtc::WriteDataChannelOpenMessage(label, config, &packet)); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 73 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 74 | VerifyOpenMessageFormat(packet, label, config); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 75 | |
| 76 | std::string output_label; |
| 77 | webrtc::DataChannelInit output_config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 78 | ASSERT_TRUE(webrtc::ParseDataChannelOpenMessage( |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 79 | packet, &output_label, &output_config)); |
| 80 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 81 | EXPECT_EQ(label, output_label); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 82 | EXPECT_EQ(config.protocol, output_config.protocol); |
| 83 | EXPECT_EQ(config.ordered, output_config.ordered); |
| 84 | EXPECT_EQ(config.maxRetransmitTime, output_config.maxRetransmitTime); |
| 85 | EXPECT_EQ(config.maxRetransmits, output_config.maxRetransmits); |
| 86 | } |
| 87 | |
| 88 | TEST_F(SctpUtilsTest, WriteParseOpenMessageWithMaxRetransmitTime) { |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 89 | webrtc::DataChannelInit config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 90 | std::string label = "abc"; |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 91 | config.ordered = false; |
| 92 | config.maxRetransmitTime = 10; |
| 93 | config.protocol = "y"; |
| 94 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 95 | rtc::CopyOnWriteBuffer packet; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 96 | ASSERT_TRUE(webrtc::WriteDataChannelOpenMessage(label, config, &packet)); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 97 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 98 | VerifyOpenMessageFormat(packet, label, config); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 99 | |
| 100 | std::string output_label; |
| 101 | webrtc::DataChannelInit output_config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 102 | ASSERT_TRUE(webrtc::ParseDataChannelOpenMessage( |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 103 | packet, &output_label, &output_config)); |
| 104 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 105 | EXPECT_EQ(label, output_label); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 106 | EXPECT_EQ(config.protocol, output_config.protocol); |
| 107 | EXPECT_EQ(config.ordered, output_config.ordered); |
| 108 | EXPECT_EQ(config.maxRetransmitTime, output_config.maxRetransmitTime); |
wu@webrtc.org | 97077a3 | 2013-10-25 21:18:33 +0000 | [diff] [blame] | 109 | EXPECT_EQ(-1, output_config.maxRetransmits); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | TEST_F(SctpUtilsTest, WriteParseOpenMessageWithMaxRetransmits) { |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 113 | webrtc::DataChannelInit config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 114 | std::string label = "abc"; |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 115 | config.maxRetransmits = 10; |
| 116 | config.protocol = "y"; |
| 117 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 118 | rtc::CopyOnWriteBuffer packet; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 119 | ASSERT_TRUE(webrtc::WriteDataChannelOpenMessage(label, config, &packet)); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 120 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 121 | VerifyOpenMessageFormat(packet, label, config); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 122 | |
| 123 | std::string output_label; |
| 124 | webrtc::DataChannelInit output_config; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 125 | ASSERT_TRUE(webrtc::ParseDataChannelOpenMessage( |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 126 | packet, &output_label, &output_config)); |
| 127 | |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 128 | EXPECT_EQ(label, output_label); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 129 | EXPECT_EQ(config.protocol, output_config.protocol); |
| 130 | EXPECT_EQ(config.ordered, output_config.ordered); |
| 131 | EXPECT_EQ(config.maxRetransmits, output_config.maxRetransmits); |
wu@webrtc.org | 97077a3 | 2013-10-25 21:18:33 +0000 | [diff] [blame] | 132 | EXPECT_EQ(-1, output_config.maxRetransmitTime); |
wu@webrtc.org | 1d1ffc9 | 2013-10-16 18:12:02 +0000 | [diff] [blame] | 133 | } |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 134 | |
| 135 | TEST_F(SctpUtilsTest, WriteParseAckMessage) { |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 136 | rtc::CopyOnWriteBuffer packet; |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 137 | webrtc::WriteDataChannelOpenAckMessage(&packet); |
| 138 | |
Peter Boström | 0c4e06b | 2015-10-07 12:23:21 +0200 | [diff] [blame] | 139 | uint8_t message_type; |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 140 | rtc::ByteBufferReader buffer(packet.data<char>(), packet.size()); |
henrika@webrtc.org | aebb1ad | 2014-01-14 10:00:58 +0000 | [diff] [blame] | 141 | ASSERT_TRUE(buffer.ReadUInt8(&message_type)); |
| 142 | EXPECT_EQ(0x02, message_type); |
| 143 | |
| 144 | EXPECT_TRUE(webrtc::ParseDataChannelOpenAckMessage(packet)); |
| 145 | } |
deadbeef | ab9b2d1 | 2015-10-14 11:33:11 -0700 | [diff] [blame] | 146 | |
| 147 | TEST_F(SctpUtilsTest, TestIsOpenMessage) { |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 148 | rtc::CopyOnWriteBuffer open(1); |
| 149 | open[0] = 0x03; |
deadbeef | ab9b2d1 | 2015-10-14 11:33:11 -0700 | [diff] [blame] | 150 | EXPECT_TRUE(webrtc::IsOpenMessage(open)); |
| 151 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 152 | rtc::CopyOnWriteBuffer openAck(1); |
| 153 | openAck[0] = 0x02; |
| 154 | EXPECT_FALSE(webrtc::IsOpenMessage(openAck)); |
deadbeef | ab9b2d1 | 2015-10-14 11:33:11 -0700 | [diff] [blame] | 155 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 156 | rtc::CopyOnWriteBuffer invalid(1); |
| 157 | invalid[0] = 0x01; |
deadbeef | ab9b2d1 | 2015-10-14 11:33:11 -0700 | [diff] [blame] | 158 | EXPECT_FALSE(webrtc::IsOpenMessage(invalid)); |
| 159 | |
ossu | d4d2f60 | 2016-11-08 02:05:32 -0800 | [diff] [blame] | 160 | rtc::CopyOnWriteBuffer empty; |
deadbeef | ab9b2d1 | 2015-10-14 11:33:11 -0700 | [diff] [blame] | 161 | EXPECT_FALSE(webrtc::IsOpenMessage(empty)); |
| 162 | } |