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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "Socket.h"
#include <boost/system/error_code.hpp>
#include "lib/streflop/streflop_cond.h"
#include "System/Log/ILog.h"
namespace netcode
{
#if BOOST_VERSION < 103600
using namespace boost::system::posix_error;
#else
using namespace boost::system::errc;
#endif
boost::asio::io_service netservice;
bool CheckErrorCode(boost::system::error_code& err)
{
// connection reset can happen when host did not start up
// before the client wants to connect
if (!err || err.value() == connection_reset) {
return false;
} else {
LOG_L(L_WARNING, "Network error %i: %s", err.value(),
err.message().c_str());
return true;
}
}
boost::asio::ip::udp::endpoint ResolveAddr(const std::string& host, int port)
{
using namespace boost::asio;
boost::system::error_code err;
ip::address tempAddr = WrapIP(host, &err);
if (err) {
// error, maybe a hostname?
ip::udp::resolver resolver(netcode::netservice);
std::ostringstream portbuf;
portbuf << port;
ip::udp::resolver::query query(host, portbuf.str());
// TODO: check if unsync problem exists here too (see WrapResolve below)
ip::udp::resolver::iterator iter = resolver.resolve(query);
tempAddr = iter->endpoint().address();
}
return ip::udp::endpoint(tempAddr, port);
}
bool IsLoopbackAddress(const boost::asio::ip::address& addr) {
if (addr.is_v6()) {
return addr.to_v6().is_loopback();
} else {
return (addr.to_v4() == boost::asio::ip::address_v4::loopback());
}
}
boost::asio::ip::address WrapIP(const std::string& ip,
boost::system::error_code* err)
{
boost::asio::ip::address addr;
if (err == NULL) {
addr = boost::asio::ip::address::from_string(ip);
} else {
addr = boost::asio::ip::address::from_string(ip, *err);
}
#ifdef STREFLOP_H
//! (date of note: 08/05/10)
//! something in from_string() is invalidating the FPU flags
//! tested on win2k and linux (not happening there)
streflop_init<streflop::Simple>();
#endif
return addr;
}
boost::asio::ip::tcp::resolver::iterator WrapResolve(
boost::asio::ip::tcp::resolver& resolver,
boost::asio::ip::tcp::resolver::query& query,
boost::system::error_code* err)
{
boost::asio::ip::tcp::resolver::iterator resolveIt;
if (err == NULL) {
resolveIt = resolver.resolve(query);
} else {
resolveIt = resolver.resolve(query, *err);
}
#ifdef STREFLOP_H
//! (date of note: 08/22/10)
//! something in resolve() is invalidating the FPU flags
streflop_init<streflop::Simple>();
#endif
return resolveIt;
}
} // namespace netcode
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