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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef TCPSOCKET_H
#define TCPSOCKET_H
#include "base/i2-base.hpp"
#include "base/io-engine.hpp"
#include "base/socket.hpp"
#include <boost/asio/error.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/spawn.hpp>
#include <boost/system/system_error.hpp>
namespace icinga
{
/**
* A TCP socket. DEPRECATED - Use Boost ASIO instead.
*
* @ingroup base
*/
class TcpSocket final : public Socket
{
public:
DECLARE_PTR_TYPEDEFS(TcpSocket);
void Bind(const String& service, int family);
void Bind(const String& node, const String& service, int family);
void Connect(const String& node, const String& service);
};
/**
* TCP Connect based on Boost ASIO.
*
* @ingroup base
*/
template<class Socket>
void Connect(Socket& socket, const String& node, const String& service)
{
using boost::asio::ip::tcp;
tcp::resolver resolver (IoEngine::Get().GetIoContext());
tcp::resolver::query query (node, service);
auto result (resolver.resolve(query));
auto current (result.begin());
for (;;) {
try {
socket.open(current->endpoint().protocol());
socket.set_option(tcp::socket::keep_alive(true));
socket.connect(current->endpoint());
break;
} catch (const std::exception& ex) {
auto se (dynamic_cast<const boost::system::system_error*>(&ex));
if (se && se->code() == boost::asio::error::operation_aborted || ++current == result.end()) {
throw;
}
if (socket.is_open()) {
socket.close();
}
}
}
}
template<class Socket>
void Connect(Socket& socket, const String& node, const String& service, boost::asio::yield_context yc)
{
using boost::asio::ip::tcp;
tcp::resolver resolver (IoEngine::Get().GetIoContext());
tcp::resolver::query query (node, service);
auto result (resolver.async_resolve(query, yc));
auto current (result.begin());
for (;;) {
try {
socket.open(current->endpoint().protocol());
socket.set_option(tcp::socket::keep_alive(true));
socket.async_connect(current->endpoint(), yc);
break;
} catch (const std::exception& ex) {
auto se (dynamic_cast<const boost::system::system_error*>(&ex));
if (se && se->code() == boost::asio::error::operation_aborted || ++current == result.end()) {
throw;
}
if (socket.is_open()) {
socket.close();
}
}
}
}
}
#endif /* TCPSOCKET_H */
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