\name Expose contents as a std::string_view @{

Returns a C string describing the error

Serialize the TCPHeader to a string (does not recompute the checksum)

\param[in,out] p is a NetParser from which the TCP fields will be extracted \returns a ParseResult indicating success or the reason for failure \detai

\details A properly seeded mt19937 generator takes a lot of entropy! This code borrows from the following: - https://kristerw.blogspot.com/2017/05/s

\param[in] attempt is the name of the syscall to try (for error reporting) \param[in] return_value is the return value of the syscall \param[in] errno

\brief Get character at location `n`

\param[in] seqno is the sequence number of the segment \param[in] ackno is the acknowledgment number of the segment \param[in] swin is the optional wi

Transform a WrappingInt32 into an "absolute" 64-bit sequence number (zero-indexed) \param n The relative sequence number \param isn The initial sequen

\param[in] route_prefix The "up-to-32-bit" IPv4 address prefix to match the datagram's destination address against \param[in] prefix_length For this r

\returns A string with a textual representation of an Ethernet address

\param[in] fd is the FileDescriptor to be polled \param[in] direction indicates whether to poll for reading (Direction::In) or writing (Direction::Out

Numeric port (host byte order).

\details This function accepts a substring (aka a segment) of bytes, possibly out-of-order, from the logical stream, and assembles any newly contiguou

Add an interface to the router \param[in] interface an already-constructed network interface \returns The index of the interface after it has been add

Returns `true` if there has been an error

\param[in] data is a pointer to the bytes to show \param[in] len is the number of bytes to show \param[in] indent is the number of spaces to indent

Dotted-quad IP address string ("18.243.0.1").

\param[in] seqno is the sequence number of the segment \param[in] ackno is the optional acknowledgment number of the segment; if no value, ACK flag is

in LISTEN, send ACK

\returns `true` if there is a packet available for reading from TestRFD

< \brief summarize the state of the sender, receiver, and the connection

Transform an "absolute" 64-bit sequence number (zero-indexed) into a WrappingInt32 \param n The input absolute 64-bit sequence number \param isn The i

Get the current value stored in BaseParser::_error

\details This value is needed when computing the checksum of an encapsulated TCP segment. ~~~{.txt} 0 7 8 15 16 23 24 31 +--------+----

\param[in] seqno is the sequence number of the segment \param[in] ackno is the optional acknowledgment number of the segment; if no value, ACK flag is

EOF flag state

Read (i.e., copy and then pop) the next "len" bytes of the stream \param[in] len bytes will be popped and returned \returns a string

\returns a vector of bytes received on the TestRFD

\param[in] frame the incoming Ethernet frame

\param[in] dgram the IPv4 datagram to be sent \param[in] next_hop the IP address of the interface to send it to (typically a router or default gateway

\param[in] seqno is the sequence number of the segment \param[in] ackno is the optional acknowledgment number of the segment; if no value, ACK flag is

\param[in] seqno is the sequence number of the segment \param[in] ackno is the optional acknowledgment number of the segment; if no value, ACK flag is

\brief Set BaseParser::_error \param[in] res is the value to store in BaseParser::_error

\returns A string with the header's contents

\brief absolute seqno for the next byte to be sent

\param[in] len bytes will be copied from the output side of the buffer