tcp_connection.cc

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#include "tcp_connection.hh"
 
#include <iostream>
 
// Dummy implementation of a TCP connection
 
// For Lab 4, please replace with a real implementation that passes the
// automated checks run by `make check`.
 
template <typename... Targs>
void DUMMY_CODE(Targs &&... /* unused */) {}
 
using namespace std;
 
size_t TCPConnection::remaining_outbound_capacity() const { return {}; }
 
size_t TCPConnection::bytes_in_flight() const { return {}; }
 
size_t TCPConnection::unassembled_bytes() const { return {}; }
 
size_t TCPConnection::time_since_last_segment_received() const { return {}; }
 
void TCPConnection::segment_received(const TCPSegment &seg) { DUMMY_CODE(seg); }
 
bool TCPConnection::active() const { return {}; }
 
size_t TCPConnection::write(const string &data) {
    DUMMY_CODE(data);
    return {};
}
 
void TCPConnection::tick(const size_t ms_since_last_tick) { DUMMY_CODE(ms_since_last_tick); }
 
void TCPConnection::end_input_stream() {}
 
void TCPConnection::connect() {}
 
TCPConnection::~TCPConnection() {
    try {
        if (active()) {
            cerr << "Warning: Unclean shutdown of TCPConnection\n";
 
            // Your code here: need to send a RST segment to the peer
        }
    } catch (const exception &e) {
        std::cerr << "Exception destructing TCP FSM: " << e.what() << std::endl;
    }
}