2 The software in this package is distributed under the GNU General
3 Public License version 2 (with a special exception described below).
5 A copy of GNU General Public License (GPL) is included in this distribution,
6 in the file COPYING.GPL.
8 As a special exception, if other files instantiate templates or use macros
9 or inline functions from this file, or you compile this file and link it
10 with other works to produce a work based on this file, this file
11 does not by itself cause the resulting work to be covered
12 by the GNU General Public License.
14 However the source code for this file must still be made available
15 in accordance with section (3) of the GNU General Public License.
17 This exception does not invalidate any other reasons why a work based
18 on this file might be covered by the GNU General Public License.
21 #define BOOST_TEST_MAIN
22 #define BOOST_TEST_DYN_LINK
26 #include <boost/asio.hpp>
27 #include <boost/test/unit_test.hpp>
29 #include "tcp/tcpheader.h"
31 BOOST_AUTO_TEST_SUITE( TestTcpHeader )
33 BOOST_AUTO_TEST_CASE( ack_received )
35 uint8_t raw_segment_stream[] = {
36 0x9f, 0x70, 0x00, 0x50, 0x58, 0xb6, 0x52, 0x49, 0x00, 0x00, 0x00, 0x00,
37 0xa0, 0x02, 0x39, 0x08, 0xf7, 0x27, 0x00, 0x00, 0x02, 0x04, 0x05, 0xb4,
38 0x04, 0x02, 0x08, 0x0a, 0x00, 0x05, 0x59, 0x20, 0x00, 0x00, 0x00, 0x00,
39 0x01, 0x03, 0x03, 0x06
42 std::basic_stringbuf<uint8_t> sb;
43 sb.pubsetbuf( raw_segment_stream, sizeof(raw_segment_stream) );
44 std::basic_istream<uint8_t> is( &sb );
47 reinterpret_cast<std::istream&>(is) >> tcp_header;
49 BOOST_CHECK_EQUAL( tcp_header.get_source_port(), 40816 );
50 BOOST_CHECK_EQUAL( tcp_header.get_destination_port(), 80 );
51 BOOST_CHECK_EQUAL( tcp_header.get_acknowledgment_number(), 0 );
52 BOOST_CHECK_EQUAL( tcp_header.get_header_length(), 10 ); // 10 words = 40 bytes
53 BOOST_CHECK_EQUAL( tcp_header.get_congestion_window_reduced(), false );
54 BOOST_CHECK_EQUAL( tcp_header.get_ecn_echo(), false );
55 BOOST_CHECK_EQUAL( tcp_header.get_urgent(), false );
56 BOOST_CHECK_EQUAL( tcp_header.get_acknowledgment(), false );
57 BOOST_CHECK_EQUAL( tcp_header.get_push(), false );
58 BOOST_CHECK_EQUAL( tcp_header.get_reset(), false );
59 BOOST_CHECK_EQUAL( tcp_header.get_synchronize(), true );
60 BOOST_CHECK_EQUAL( tcp_header.get_finish(), false );
61 BOOST_CHECK_EQUAL( tcp_header.get_window_size(), 14600 );
62 BOOST_CHECK_EQUAL( tcp_header.get_checksum(), 0xF727 );
65 BOOST_AUTO_TEST_CASE( rst_received )
67 uint8_t raw_segment_stream[] = {
68 0x00, 0x50, 0xe2, 0xc9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
69 0x01, 0x50, 0x14, 0x00, 0x00, 0x1e, 0x34, 0x00, 0x00
72 std::basic_stringbuf<uint8_t> sb;
73 sb.pubsetbuf( raw_segment_stream, sizeof(raw_segment_stream) );
74 std::basic_istream<uint8_t> is( &sb );
77 reinterpret_cast<std::istream&>(is) >> tcp_header;
79 BOOST_CHECK_EQUAL( tcp_header.get_source_port(), 80 );
80 BOOST_CHECK_EQUAL( tcp_header.get_destination_port(), 58057 );
81 BOOST_CHECK_EQUAL( tcp_header.get_sequence_number(), 0 ); // relative
82 BOOST_CHECK_EQUAL( tcp_header.get_acknowledgment_number(), 1 );
83 BOOST_CHECK_EQUAL( tcp_header.get_header_length(), 5 ); // 5 words = 20 bytes
84 BOOST_CHECK_EQUAL( tcp_header.get_congestion_window_reduced(), false );
85 BOOST_CHECK_EQUAL( tcp_header.get_ecn_echo(), false );
86 BOOST_CHECK_EQUAL( tcp_header.get_urgent(), false );
87 BOOST_CHECK_EQUAL( tcp_header.get_acknowledgment(), true );
88 BOOST_CHECK_EQUAL( tcp_header.get_push(), false );
89 BOOST_CHECK_EQUAL( tcp_header.get_reset(), true );
90 BOOST_CHECK_EQUAL( tcp_header.get_synchronize(), false );
91 BOOST_CHECK_EQUAL( tcp_header.get_finish(), false );
92 BOOST_CHECK_EQUAL( tcp_header.get_window_size(), 0 );
93 BOOST_CHECK_EQUAL( tcp_header.get_checksum(), 0x1E34 );
96 BOOST_AUTO_TEST_CASE( calculate_tcp_checksum_ipv4 )
99 tcp_header.set_source_port( 58057 );
100 tcp_header.set_destination_port( 80 );
101 tcp_header.set_sequence_number( 0x0001 ); // relative
102 tcp_header.set_acknowledgment_number( 0 );
103 tcp_header.set_header_length( 5 ); // 5 words = 20 bytes
104 tcp_header.set_congestion_window_reduced( false );
105 tcp_header.set_ecn_echo( false );
106 tcp_header.set_urgent( false );
107 tcp_header.set_acknowledgment( true );
108 tcp_header.set_push( false );
109 tcp_header.set_reset( false );
110 tcp_header.set_synchronize( false );
111 tcp_header.set_finish( false );
112 tcp_header.set_window_size( 32768 );
114 boost::asio::ip::address_v4 src_addr = boost::asio::ip::address_v4::from_string( "192.168.1.102" );
115 boost::asio::ip::address_v4 dst_addr = boost::asio::ip::address_v4::from_string( "200.147.35.224" );
117 uint16_t checksum = tcp_header.calculate_tcp_checksum(
123 BOOST_CHECK_EQUAL( checksum, 0x9E37 );
126 BOOST_AUTO_TEST_SUITE_END()