tsIPProtocols.h File Reference

Definitions of protocols for IP networking. More...

Namespaces
namespace	ts
	TSDuck namespace, containing all TSDuck classes and functions.

Typedefs
using	ts::rtp_units = cn::duration< std::intmax_t, std::ratio< 1, RTP_RATE_MP2T > >
	Definition of a number of RTP clock units as a std::chrono::duration type.

Enumerations
enum	: uint16_t {   ts::ETHERTYPE_IPv4 = 0x0800 ,   ts::ETHERTYPE_ARP = 0x0806 ,   ts::ETHERTYPE_WOL = 0x0842 ,   ts::ETHERTYPE_RARP = 0x8035 ,   ts::ETHERTYPE_802_1Q = 0x8100 ,   ts::ETHERTYPE_IPv6 = 0x86DD }
	Selected Ethernet II protocol type identifiers. More...
enum	: uint8_t {   ts::IPv4_PROTO_ICMP = 1 ,   ts::IPv4_PROTO_IGMP = 2 ,   ts::IPv4_PROTO_TCP = 6 ,   ts::IPv4_PROTO_UDP = 17 ,   ts::IPv4_PROTO_V6_ENCAP = 41 ,   ts::IPv4_PROTO_OSPF = 89 ,   ts::IPv4_PROTO_SCTP = 132 }
	Selected IP protocol identifiers. More...

Functions
UString	ts::IPProtocolName (uint8_t protocol, bool long_format=false)
	Get the name of an IP protocol (UDP, TCP, etc).
bool	ts::TCPOrderedSequence (uint32_t seq1, uint32_t seq2)
	Check if two TCP sequence numbers are ordered, including wrapping back at 0xFFFFFFFF.
uint32_t	ts::TCPSequenceDiff (uint32_t seq1, uint32_t seq2)
	Compute the difference between two TCP sequence numbers, including wrapping back at 0xFFFFFFFF.

Variables
constexpr size_t	ts::ETHER_ADDR_SIZE = 6
	Size in bytes of a MAC address in an Ethernet II header.
constexpr size_t	ts::ETHER_CRC_SIZE = 4
	Size in bytes of the trailing CRC in an Ethernet II frame.
constexpr size_t	ts::ETHER_DEST_ADDR_OFFSET = 0
	Offset of destination MAC address in an Ethernet II header.
constexpr size_t	ts::ETHER_HEADER_SIZE = 14
	Size of an Ethernet II header.
constexpr size_t	ts::ETHER_SRC_ADDR_OFFSET = 6
	Offset of destination MAC address in an Ethernet II header.
constexpr size_t	ts::ETHER_TYPE_OFFSET = 12
	Offset of destination MAC address in an Ethernet II header.
constexpr size_t	ts::IP_MAX_PACKET_SIZE = 65536
	Maximum size of an IP packet.
constexpr size_t	ts::IPv4_CHECKSUM_OFFSET = 10
	Offset of the checksum in an IPv4 header.
constexpr size_t	ts::IPv4_DEST_ADDR_OFFSET = 16
	Offset of destination IP address in an IPv4 header.
constexpr size_t	ts::IPv4_FRAGMENT_OFFSET = 6
	Offset of the flags and fragments in an IPv4 header.
constexpr size_t	ts::IPv4_LENGTH_OFFSET = 2
	Offset of the total packet length in an IPv4 header.
constexpr size_t	ts::IPv4_MIN_HEADER_SIZE = 20
	Minimum size of an IPv4 header.
constexpr size_t	ts::IPv4_PROTOCOL_OFFSET = 9
	Offset of the protocol identifier in an IPv4 header.
constexpr size_t	ts::IPv4_SRC_ADDR_OFFSET = 12
	Offset of source IP address in an IPv4 header.
constexpr uint8_t	ts::IPv4_VERSION = 4
	Protocol version of IPv4 is ... 4 !
constexpr size_t	ts::RTP_HEADER_SIZE = 12
	Size in bytes of the fixed part of the RTP header.
constexpr uint8_t	ts::RTP_PT_MP2T = 33
	RTP payload type for MPEG2-TS.
constexpr uint64_t	ts::RTP_RATE_MP2T = 90000
	RTP clock rate for MPEG2-TS.
constexpr size_t	ts::TCP_DEST_PORT_OFFSET = 2
	Offset of destination port in a TCP header.
constexpr size_t	ts::TCP_FLAGS_OFFSET = 13
	Offset of flags byte in a TCP header.
constexpr size_t	ts::TCP_HEADER_LENGTH_OFFSET = 12
	Offset of TCP header length in a TCP header (number of 32-bit words).
constexpr size_t	ts::TCP_MAX_PAYLOAD_SIZE = IP_MAX_PACKET_SIZE - IPv4_MIN_HEADER_SIZE - TCP_MIN_HEADER_SIZE
	Maximum size in bytes of a TCP payload.
constexpr size_t	ts::TCP_MIN_HEADER_SIZE = 20
	Minimum size in bytes of a TCP header.
constexpr size_t	ts::TCP_SEQUENCE_OFFSET = 4
	Offset of sequence number in a TCP header.
constexpr size_t	ts::TCP_SRC_PORT_OFFSET = 0
	Offset of source port in a TCP header.
constexpr size_t	ts::TCP_WSIZE_OFFSET = 14
	Offset of window size in a TCP header.
constexpr size_t	ts::UDP_CHECKSUM_OFFSET = 6
	Offset of checksum in a UDP header.
constexpr size_t	ts::UDP_DEST_PORT_OFFSET = 2
	Offset of destination port in a UDP header.
constexpr size_t	ts::UDP_HEADER_SIZE = 8
	Size of a UDP header.
constexpr size_t	ts::UDP_LENGTH_OFFSET = 4
	Offset of packet length (UDP header + UDP payload) in a UDP header.
constexpr size_t	ts::UDP_SRC_PORT_OFFSET = 0
	Offset of source port in a UDP header.

Detailed Description

Definitions of protocols for IP networking.