RetroShare/libretroshare/src/tcponudp/rsudpstack.h

108 lines
3.6 KiB
C++

/*******************************************************************************
* libretroshare/src/tcponudp: rsudpstack.h *
* *
* libretroshare: retroshare core library *
* *
* Copyright 2012-2012 by Robert Fernie <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#ifndef RS_UDP_STACK_RECEIVER_H
#define RS_UDP_STACK_RECEIVER_H
#ifdef RS_USE_BITDHT
#include "udp/udpstack.h"
#else
class UdpStack
{
public:
UdpStack(int testmode, struct sockaddr_in &local) { return; }
UdpStack(struct sockaddr_in &local) { return; }
/* from pqiNetListener */
virtual bool resetAddress(struct sockaddr_in &local) { return false; }
};
#endif
/*******************************************************/
#include "pqi/pqimonitor.h"
#include "util/rsnet.h"
#include "util/stacktrace.h"
#include <iostream>
class rsUdpStack: public UdpStack, public pqiNetListener
{
public:
rsUdpStack(struct sockaddr_in &local) : UdpStack(local) {}
rsUdpStack(int testmode, struct sockaddr_in &local) :
UdpStack(testmode, local) {}
/// @see pqiNetListener
virtual bool resetListener(const sockaddr_storage& local)
{
sockaddr_storage temp;
sockaddr_storage_copy(local, temp);
if (!sockaddr_storage_ipv6_to_ipv4(temp))
{
std::cerr << __PRETTY_FUNCTION__ << " Got non IPv4 address ERROR"
<< std::endl;
sockaddr_storage_dump(local);
print_stacktrace();
return -EINVAL;
}
sockaddr_in *addr = reinterpret_cast<sockaddr_in*>(&temp);
return resetAddress(*addr);
}
};
class rsFixedUdpStack: public UdpStack, public pqiNetListener
{
public:
rsFixedUdpStack(struct sockaddr_in &local)
:UdpStack(local) { return; }
rsFixedUdpStack(int testmode, struct sockaddr_in &local)
:UdpStack(testmode, local) { return; }
/* from pqiNetListener */
virtual bool resetListener(const struct sockaddr_storage & /* local */)
{
struct sockaddr_in addr;
getLocalAddress(addr);
// The const_cast below is not so nice but without it, the compiler can't
// find the correct operator<<(). No idea why!
//std::cerr << "rsFixedUdpStack::resetListener(" << sockaddr_storage_tostring(local) << ")";
//std::cerr << " Resetting with original addr: " << const_cast<const struct sockaddr_in &>(addr);
//std::cerr << std::endl;
return resetAddress(addr);
}
};
#endif