tcp_client.cpp

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/*
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 * Copyright (c) 2019 Rein Appeldoorn.
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#include <async_comm/tcp_client.h>

#include <iostream>

using boost::asio::ip::tcp;

namespace async_comm
{

TCPClient::TCPClient(std::string host, uint16_t port, MessageHandler& message_handler) :
  Comm(message_handler),
  host_(host),
  port_(port),
  socket_(io_service_)
{
}

TCPClient::~TCPClient()
{
  do_close();
}

bool TCPClient::is_open()
{
  return socket_.is_open();
}

bool TCPClient::do_init()
{
  try
  {
    tcp::resolver resolver(io_service_);

    endpoint_ = *resolver.resolve({tcp::v4(), host_, "", boost::asio::ip::resolver_query_base::numeric_service});
    endpoint_.port(port_);
    socket_.open(tcp::v4());

    socket_.connect(endpoint_);

    socket_.set_option(tcp::socket::reuse_address(true));
    socket_.set_option(tcp::socket::send_buffer_size(WRITE_BUFFER_SIZE*1024));
    socket_.set_option(tcp::socket::receive_buffer_size(READ_BUFFER_SIZE*1024));
  }
  catch (boost::system::system_error e)
  {
    message_handler_.error(e.what());
    return false;
  }

  return true;
}

void TCPClient::do_close()
{
  socket_.close();
}

void TCPClient::do_async_read(const boost::asio::mutable_buffers_1 &buffer,
                        boost::function<void(const boost::system::error_code&, size_t)> handler)
{
  socket_.async_receive(buffer, handler);
}

void TCPClient::do_async_write(const boost::asio::const_buffers_1 &buffer,
                         boost::function<void(const boost::system::error_code&, size_t)> handler)
{
  socket_.async_send(buffer, handler);
}

} // namespace async_comm