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Abstract net_udp_request_game_info sockaddr dispatch

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This commit is contained in:
Kp 2015-01-18 01:58:33 +00:00
parent c4ed01ff5c
commit be59631c5f
1 changed files with 36 additions and 3 deletions
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39
similar/main/net_udp.cpp
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@ -234,6 +234,21 @@ static void convert_text_portstring(const char *portstring, uint16_t &outport)
namespace {
/* Forward to static function to eliminate this pointer */
template <typename F>
class passthrough_static_apply : F
{
public:
#define apply_passthrough() this->F::apply(std::forward<Args>(args)...)
template <typename... Args>
__attribute_always_inline()
auto operator()(Args &&... args) const -> decltype(apply_passthrough())
{
return apply_passthrough();
}
#undef apply_passthrough
};
template <typename F>
class sockaddr_dispatch_t : F
{
@ -260,6 +275,13 @@ template <typename F>
class csockaddr_dispatch_t : F
{
public:
#define apply_sockaddr() this->F::operator()(to, tolen, std::forward<Args>(args)...)
template <typename... Args>
auto operator()(const sockaddr &to, socklen_t tolen, Args &&... args) const -> decltype(apply_sockaddr())
{
return apply_sockaddr();
}
#undef apply_sockaddr
#define apply_sockaddr() this->F::operator()(reinterpret_cast<const sockaddr &>(to), sizeof(to), std::forward<Args>(args)...)
template <typename... Args>
auto operator()(const sockaddr_in &to, Args &&... args) const -> decltype(apply_sockaddr())
@ -688,12 +710,23 @@ static void udp_tracker_reqgames()
}
#endif /* USE_TRACKER */
template <typename T>
static void net_udp_request_game_info(const T &game_addr, int lite)
namespace {
class net_udp_request_game_info_t
{
public:
static void apply(const sockaddr &to, socklen_t tolen, int lite);
};
void net_udp_request_game_info_t::apply(const sockaddr &game_addr, socklen_t addrlen, int lite)
{
array<uint8_t, UPID_GAME_INFO_REQ_SIZE> buf;
net_udp_prepare_request_game_info(buf, lite);
dxx_sendto(game_addr, UDP_Socket[0], buf, 0);
dxx_sendto(game_addr, addrlen, UDP_Socket[0], buf, 0);
}
const csockaddr_dispatch_t<passthrough_static_apply<net_udp_request_game_info_t>> net_udp_request_game_info{};
}
struct direct_join