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#pragma once
#include <util/generic/ptr.h>
#include <util/generic/utility.h>
#include <library/cpp/netliba/socket/socket.h>
namespace NNetliba {
bool IsLocalIPv4(ui32 ip);
bool IsLocalIPv6(ui64 network, ui64 iface);
bool InitLocalIPList();
enum {
UDP_LOW_LEVEL_HEADER_SIZE = 4,
};
using NNetlibaSocket::EFragFlag;
using NNetlibaSocket::FF_ALLOW_FRAG;
using NNetlibaSocket::FF_DONT_FRAG;
class TNetSocket: public TNonCopyable {
TIntrusivePtr<NNetlibaSocket::ISocket> s;
ui32 PortCrc;
mutable int Tos;
public:
enum ESendError {
SEND_OK,
SEND_BUFFER_OVERFLOW,
SEND_NO_ROUTE_TO_HOST,
};
TNetSocket()
: PortCrc(0)
, Tos(0)
{
}
~TNetSocket() {
}
void Open(int port);
void Open(const TIntrusivePtr<NNetlibaSocket::ISocket>& socket);
void Close();
void SendSelfFakePacket() const;
bool IsValid() const {
return s.Get() ? s->IsValid() : false;
}
int GetNetworkOrderPort() const {
return s->GetNetworkOrderPort();
}
ESendError SendTo(const char* buf, int size, const sockaddr_in6& toAddress, const EFragFlag frag) const;
bool RecvFrom(char* buf, int* size, sockaddr_in6* fromAddress) const;
void Wait(float timeoutSec) const;
void SetTOS(int n) const;
// obtaining icmp host unreachable in convoluted way
bool Connect(const sockaddr_in6& addr);
void SendEmptyPacket();
bool IsHostUnreachable();
};
}
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