tcp_sender.cc

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#include "tcp_sender.hh"
 
#include "tcp_config.hh"
 
#include <random>
 
// Dummy implementation of a TCP sender
 
// For Lab 3, please replace with a real implementation that passes the
// automated checks run by `make check_lab3`.
 
template <typename... Targs>
void DUMMY_CODE(Targs &&... /* unused */) {}
 
using namespace std;
 
TCPSender::TCPSender(const size_t capacity, const uint16_t retx_timeout, const std::optional<WrappingInt32> fixed_isn)
    : _isn(fixed_isn.value_or(WrappingInt32{random_device()()}))
    , _initial_retransmission_timeout{retx_timeout}
    , _stream(capacity) {}
 
uint64_t TCPSender::bytes_in_flight() const { return {}; }
 
void TCPSender::fill_window() {}
 
void TCPSender::ack_received(const WrappingInt32 ackno, const uint16_t window_size) { DUMMY_CODE(ackno, window_size); }
 
void TCPSender::tick(const size_t ms_since_last_tick) { DUMMY_CODE(ms_since_last_tick); }
 
unsigned int TCPSender::consecutive_retransmissions() const { return {}; }
 
void TCPSender::send_empty_segment() {}