tcp_socket.h

Go to the documentation of this file.

// Copyright (c) Space-ng, inc. All rights reserved.
 
#pragma once
 
#include "sol3/net/msg/tcp_socket_config.h"
 
#include <boost/asio/ip/tcp.hpp>
 
namespace sol3::net {
 
// Configuration for a TCP socket
struct TcpSocketConfig {
  // Sets TCP_NODELAY
  bool tcp_no_delay{true};
 
  // Sets SO_REUSEADDR
  bool reuse_address{true};
 
  // Sets SO_RCVBUF if > 0, otherwise default.
  int so_rcvbuf{-1};
 
  // Sets SO_SNDBUF if > 0, otherwise default.
  int so_sndbuf{-1};
};
 
void applySocketOpts(
    boost::asio::ip::tcp::socket& s, msg::TcpSocketConfigT const& config);
 
// Returns the number of bytes waiting in the kernel send buffer.
// Returns -1 if not supported or if the call fails.
int32_t getKernelSendQueueSize(boost::asio::ip::tcp::socket& s);
 
}  // namespace sol3::net