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honour the provided MSG flags

lizzie/refactor-networking-12
lizzie 1 month ago
parent
commit
b084e2eb51
  1. 112
      src/core/internal_network/network.cpp

112
src/core/internal_network/network.cpp

@ -851,6 +851,7 @@ u32 IPv4AddressToInteger(IPv4Address ip_addr) {
std::variant<std::vector<AddrInfo>, GetAddrInfoError> GetAddressInfo(
const std::string& host, const std::optional<std::string>& service) {
LOG_DEBUG(Network, "host={},service={}", host, service.value_or("no"));
addrinfo hints{};
hints.ai_family = AF_INET; // Switch only supports IPv4.
addrinfo* addrinfo;
@ -879,6 +880,7 @@ std::variant<std::vector<AddrInfo>, GetAddrInfoError> GetAddressInfo(
}
std::pair<s32, Errno> Poll(std::span<HostPollFD> pollfds, s32 timeout) {
LOG_DEBUG(Network, "pollfds={},timeout={}", pollfds.size(), timeout);
const size_t num = pollfds.size();
std::vector<WSAPOLLFD> host_pollfds(pollfds.size());
@ -1065,86 +1067,87 @@ Errno Socket::Shutdown(ShutdownHow how) {
return GetAndLogLastError();
}
std::pair<s32, Errno> Socket::Recv(int flags, std::span<u8> message) {
ASSERT(flags == 0);
ASSERT(message.size() < static_cast<size_t>((std::numeric_limits<int>::max)()));
static s32 TranslateMsgOptToNative(s32 flags) {
s32 r = 0;
#ifdef MSG_OOB
if (flags & s32(MsgOpt::OOB)) r |= MSG_OOB;
#endif
#ifdef MSG_PEEK
if (flags & s32(MsgOpt::PEEK)) r |= MSG_PEEK;
#endif
#ifdef MSG_DONTROUTE
if (flags & s32(MsgOpt::DONTROUTE)) r |= MSG_DONTROUTE;
#endif
#ifdef MSG_EOR
if (flags & s32(MsgOpt::EOR_)) r |= MSG_EOR;
#endif
#ifdef MSG_TRUNC
if (flags & s32(MsgOpt::TRUNC)) r |= MSG_TRUNC;
#endif
#ifdef MSG_CTRUNC
if (flags & s32(MsgOpt::CTRUNC)) r |= MSG_CTRUNC;
#endif
#ifdef MSG_WAITALL
if (flags & s32(MsgOpt::WAITALL)) r |= MSG_WAITALL;
#endif
#ifdef MSG_DONTWAIT
if (flags & s32(MsgOpt::DONTWAIT)) r |= MSG_DONTWAIT;
#endif
#ifdef MSG_EOF
if (flags & s32(MsgOpt::EOF_)) r |= MSG_EOF;
#endif
return r;
}
const auto result =
recv(fd, reinterpret_cast<char*>(message.data()), static_cast<int>(message.size()), 0);
if (result != SOCKET_ERROR) {
return {static_cast<s32>(result), Errno::SUCCESS};
}
std::pair<s32, Errno> Socket::Recv(int flags, std::span<u8> message) {
LOG_DEBUG(Network, "flags={},message={}", flags, message.size());
ASSERT(message.size() < size_t((std::numeric_limits<int>::max)()));
auto const native_flags = TranslateMsgOptToNative(flags);
auto const result = recv(fd, reinterpret_cast<char*>(message.data()), int(message.size()), native_flags);
if (result != SOCKET_ERROR)
return {s32(result), Errno::SUCCESS};
return {-1, GetAndLogLastError()};
}
std::pair<s32, Errno> Socket::RecvFrom(int flags, std::span<u8> message, Network::SockAddrIn* addr) {
ASSERT(flags == 0);
ASSERT(message.size() < static_cast<size_t>((std::numeric_limits<int>::max)()));
LOG_DEBUG(Network, "flags={},message={},addr={}", flags, message.size(), fmt::ptr(addr));
ASSERT(flags == 0 && message.size() < size_t((std::numeric_limits<int>::max)()));
sockaddr_in addr_in{};
socklen_t addrlen = sizeof(addr_in);
socklen_t* const p_addrlen = addr ? &addrlen : nullptr;
sockaddr* const p_addr_in = addr ? reinterpret_cast<sockaddr*>(&addr_in) : nullptr;
const auto result = recvfrom(fd, reinterpret_cast<char*>(message.data()),
static_cast<int>(message.size()), 0, p_addr_in, p_addrlen);
auto const native_flags = TranslateMsgOptToNative(flags);
auto const result = recvfrom(fd, reinterpret_cast<char*>(message.data()), int(message.size()), native_flags, p_addr_in, p_addrlen);
if (result != SOCKET_ERROR) {
if (addr) {
*addr = TranslateToSockAddrIn(addr_in, addrlen);
}
return {static_cast<s32>(result), Errno::SUCCESS};
return {s32(result), Errno::SUCCESS};
}
return {-1, GetAndLogLastError()};
}
std::pair<s32, Errno> Socket::Send(std::span<const u8> message, int flags) {
LOG_DEBUG(Network, "flags={},message={}", flags, message.size());
ASSERT(message.size() < size_t((std::numeric_limits<int>::max)()));
int native_flags = 0;
#ifdef MSG_OOB
if (flags & int(MsgOpt::OOB)) native_flags |= MSG_OOB;
#endif
#ifdef MSG_PEEK
if (flags & int(MsgOpt::PEEK)) native_flags |= MSG_PEEK;
#endif
#ifdef MSG_DONTROUTE
if (flags & int(MsgOpt::DONTROUTE)) native_flags |= MSG_DONTROUTE;
#endif
#ifdef MSG_EOR
if (flags & int(MsgOpt::EOR_)) native_flags |= MSG_EOR;
#endif
#ifdef MSG_TRUNC
if (flags & int(MsgOpt::TRUNC)) native_flags |= MSG_TRUNC;
#endif
#ifdef MSG_CTRUNC
if (flags & int(MsgOpt::CTRUNC)) native_flags |= MSG_CTRUNC;
#endif
#ifdef MSG_WAITALL
if (flags & int(MsgOpt::WAITALL)) native_flags |= MSG_WAITALL;
#endif
#ifdef MSG_DONTWAIT
if (flags & int(MsgOpt::DONTWAIT)) native_flags |= MSG_DONTWAIT;
#endif
#ifdef MSG_EOF
if (flags & int(MsgOpt::EOF_)) native_flags |= MSG_EOF;
#endif
int native_flags = TranslateMsgOptToNative(flags);
#ifdef __unix__
// NOSIGNAL is set for all sockets
native_flags |= MSG_NOSIGNAL; // do not send us SIGPIPE
#endif
const auto result = send(fd, reinterpret_cast<const char*>(message.data()), int(message.size()), native_flags);
if (result != SOCKET_ERROR) {
if (result != SOCKET_ERROR)
return {s32(result), Errno::SUCCESS};
}
return {-1, GetAndLogLastError(CallType::Send)};
}
std::pair<s32, Errno> Socket::SendTo(u32 flags, std::span<const u8> message,
const Network::SockAddrIn* addr) {
ASSERT(flags == 0);
std::pair<s32, Errno> Socket::SendTo(u32 flags, std::span<const u8> message, const Network::SockAddrIn* addr) {
LOG_DEBUG(Network, "flags={},message={},addr={}", flags, message.size(), fmt::ptr(addr));
ASSERT(message.size() < size_t((std::numeric_limits<int>::max)()));
const sockaddr* to = nullptr;
const int to_len = addr ? sizeof(sockaddr) : 0;
@ -1155,12 +1158,15 @@ std::pair<s32, Errno> Socket::SendTo(u32 flags, std::span<const u8> message,
to = &host_addr_in;
}
const auto result = sendto(fd, reinterpret_cast<const char*>(message.data()),
static_cast<int>(message.size()), 0, to, to_len);
if (result != SOCKET_ERROR) {
return {static_cast<s32>(result), Errno::SUCCESS};
}
int native_flags = TranslateMsgOptToNative(flags);
#ifdef __unix__
// NOSIGNAL is set for all sockets
native_flags |= MSG_NOSIGNAL; // do not send us SIGPIPE
#endif
const auto result = sendto(fd, reinterpret_cast<const char*>(message.data()), int(message.size()), native_flags, to, to_len);
if (result != SOCKET_ERROR)
return {s32(result), Errno::SUCCESS};
return {-1, GetAndLogLastError(CallType::Send)};
}

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