/*
 * =====================================================================================
 *
 *       Filename:  tcp_connection.cpp
 *
 *    Description:  
 *
 *        Version:  1.0
 *        Created:  2021年05月25日 15时34分03秒
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  Li Chao (), lichao@aiotlink.com
 *   Organization:  
 *
 * =====================================================================================
 */
#include "tcp_connection.h"
#include "log.h"

namespace
{
template <class C>
auto Buffer(C &c) { return boost::asio::buffer(c.data(), c.size()); }
using boost::asio::async_read;
using boost::asio::async_write;

} // namespace

TcpRequest1::TcpRequest1(boost::asio::io_context &io, tcp::endpoint const &addr, std::string request) :
    socket_(io), remote_(addr), request_(std::move(request)) {}
void TcpRequest1::Connect()
{
	auto self = shared_from_this();
	socket_.async_connect(remote_, [this, self](bserror_t ec) {
		if (!ec) {
			SendRequest();
		} else {
			LOG_ERROR() << "connect error " << ec;
			Close();
		}
	});
}
void TcpRequest1::Close()
{
	socket_.close();
}

void TcpRequest1::SendRequest()
{
	LOG_INFO() << "client sending request " << request_;
	auto self = shared_from_this();
	async_write(socket_, Buffer(request_), [this, self](bserror_t ec, size_t) {
		if (!ec) {
			ReadReply();
		} else {
			Close();
		}
	});
}
void TcpRequest1::ReadReply()
{
	buffer_.resize(1000);
	auto self = shared_from_this();
	socket_.async_read_some(Buffer(buffer_), [this, self](bserror_t ec, size_t size) {
		if (!ec) {
			printf("reply data: %s\n", buffer_.data());
		} else {
			Close();
		}
	});
}

TcpReply1::TcpReply1(tcp::socket sock) :
    socket_(std::move(sock)) {}

void TcpReply1::Start()
{
	LOG_INFO() << "server session reading...";
	recv_buffer_.resize(1000);
	auto self(shared_from_this());
	socket_.async_read_some(Buffer(recv_buffer_), [this, self](bserror_t ec, size_t size) {
		LOG_INFO() << "server read : " << recv_buffer_.data();
		// fake reply
		if (!ec) {
			send_buffer_ = std::string(recv_buffer_.data(), size) + " reply";
			async_write(socket_, Buffer(send_buffer_), [this, self](bserror_t ec, size_t size) {
				socket_.close();
			});
		} else {
			socket_.close();
		}
	});
}