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Merge pull request #5142 from comex/xx-poll-events

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network, sockets: Replace `POLL_IN`, `POLL_OUT`, etc. constants with an `enum class PollEvents`
This commit is contained in:
Rodrigo Locatti 2020-12-09 03:52:20 -03:00 committed by GitHub
commit e94dd7e2c4
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 82 additions and 71 deletions
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8
src/core/hle/service/sockets/bsd.cpp
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@ -489,18 +489,18 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u
} }
for (PollFD& pollfd : fds) { for (PollFD& pollfd : fds) {
ASSERT(pollfd.revents == 0); ASSERT(False(pollfd.revents));
if (pollfd.fd > static_cast<s32>(MAX_FD) || pollfd.fd < 0) { if (pollfd.fd > static_cast<s32>(MAX_FD) || pollfd.fd < 0) {
LOG_ERROR(Service, "File descriptor handle={} is invalid", pollfd.fd); LOG_ERROR(Service, "File descriptor handle={} is invalid", pollfd.fd);
pollfd.revents = 0; pollfd.revents = PollEvents{};
return {0, Errno::SUCCESS}; return {0, Errno::SUCCESS};
} }
const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd]; const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
if (!descriptor) { if (!descriptor) {
LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd); LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
pollfd.revents = POLL_NVAL; pollfd.revents = PollEvents::Nval;
return {0, Errno::SUCCESS}; return {0, Errno::SUCCESS};
} }
} }
@ -510,7 +510,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u
Network::PollFD result; Network::PollFD result;
result.socket = file_descriptors[pollfd.fd]->socket.get(); result.socket = file_descriptors[pollfd.fd]->socket.get();
result.events = TranslatePollEventsToHost(pollfd.events); result.events = TranslatePollEventsToHost(pollfd.events);
result.revents = 0; result.revents = Network::PollEvents{};
return result; return result;
}); });

23
src/core/hle/service/sockets/sockets.h
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@ -69,10 +69,22 @@ struct SockAddrIn {
std::array<u8, 8> zeroes; std::array<u8, 8> zeroes;
}; };
enum class PollEvents : u16 {
// Using Pascal case because IN is a macro on Windows.
In = 1 << 0,
Pri = 1 << 1,
Out = 1 << 2,
Err = 1 << 3,
Hup = 1 << 4,
Nval = 1 << 5,
};
DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
struct PollFD { struct PollFD {
s32 fd; s32 fd;
u16 events; PollEvents events;
u16 revents; PollEvents revents;
}; };
struct Linger { struct Linger {
@ -80,13 +92,6 @@ struct Linger {
u32 linger; u32 linger;
}; };
constexpr u16 POLL_IN = 0x01;
constexpr u16 POLL_PRI = 0x02;
constexpr u16 POLL_OUT = 0x04;
constexpr u16 POLL_ERR = 0x08;
constexpr u16 POLL_HUP = 0x10;
constexpr u16 POLL_NVAL = 0x20;
constexpr u32 FLAG_MSG_DONTWAIT = 0x80; constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
constexpr u32 FLAG_O_NONBLOCK = 0x800; constexpr u32 FLAG_O_NONBLOCK = 0x800;

48
src/core/hle/service/sockets/sockets_translate.cpp
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@ -89,43 +89,43 @@ Network::Protocol Translate(Type type, Protocol protocol) {
} }
} }
u16 TranslatePollEventsToHost(u32 flags) { Network::PollEvents TranslatePollEventsToHost(PollEvents flags) {
u32 result = 0; Network::PollEvents result{};
const auto translate = [&result, &flags](u32 from, u32 to) { const auto translate = [&result, &flags](PollEvents from, Network::PollEvents to) {
if ((flags & from) != 0) { if (True(flags & from)) {
flags &= ~from; flags &= ~from;
result |= to; result |= to;
} }
}; };
translate(POLL_IN, Network::POLL_IN); translate(PollEvents::In, Network::PollEvents::In);
translate(POLL_PRI, Network::POLL_PRI); translate(PollEvents::Pri, Network::PollEvents::Pri);
translate(POLL_OUT, Network::POLL_OUT); translate(PollEvents::Out, Network::PollEvents::Out);
translate(POLL_ERR, Network::POLL_ERR); translate(PollEvents::Err, Network::PollEvents::Err);
translate(POLL_HUP, Network::POLL_HUP); translate(PollEvents::Hup, Network::PollEvents::Hup);
translate(POLL_NVAL, Network::POLL_NVAL); translate(PollEvents::Nval, Network::PollEvents::Nval);
UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags); UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
return static_cast<u16>(result); return result;
} }
u16 TranslatePollEventsToGuest(u32 flags) { PollEvents TranslatePollEventsToGuest(Network::PollEvents flags) {
u32 result = 0; PollEvents result{};
const auto translate = [&result, &flags](u32 from, u32 to) { const auto translate = [&result, &flags](Network::PollEvents from, PollEvents to) {
if ((flags & from) != 0) { if (True(flags & from)) {
flags &= ~from; flags &= ~from;
result |= to; result |= to;
} }
}; };
translate(Network::POLL_IN, POLL_IN); translate(Network::PollEvents::In, PollEvents::In);
translate(Network::POLL_PRI, POLL_PRI); translate(Network::PollEvents::Pri, PollEvents::Pri);
translate(Network::POLL_OUT, POLL_OUT); translate(Network::PollEvents::Out, PollEvents::Out);
translate(Network::POLL_ERR, POLL_ERR); translate(Network::PollEvents::Err, PollEvents::Err);
translate(Network::POLL_HUP, POLL_HUP); translate(Network::PollEvents::Hup, PollEvents::Hup);
translate(Network::POLL_NVAL, POLL_NVAL); translate(Network::PollEvents::Nval, PollEvents::Nval);
UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags); UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
return static_cast<u16>(result); return result;
} }
Network::SockAddrIn Translate(SockAddrIn value) { Network::SockAddrIn Translate(SockAddrIn value) {

4
src/core/hle/service/sockets/sockets_translate.h
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@ -31,10 +31,10 @@ Network::Type Translate(Type type);
Network::Protocol Translate(Type type, Protocol protocol); Network::Protocol Translate(Type type, Protocol protocol);
/// Translate abstract poll event flags to guest poll event flags /// Translate abstract poll event flags to guest poll event flags
u16 TranslatePollEventsToHost(u32 flags); Network::PollEvents TranslatePollEventsToHost(PollEvents flags);
/// Translate guest poll event flags to abstract poll event flags /// Translate guest poll event flags to abstract poll event flags
u16 TranslatePollEventsToGuest(u32 flags); PollEvents TranslatePollEventsToGuest(Network::PollEvents flags);
/// Translate guest socket address structure to abstract socket address structure /// Translate guest socket address structure to abstract socket address structure
Network::SockAddrIn Translate(SockAddrIn value); Network::SockAddrIn Translate(SockAddrIn value);

44
src/core/network/network.cpp
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@ -238,49 +238,49 @@ SockAddrIn TranslateToSockAddrIn(sockaddr input_) {
return result; return result;
} }
u16 TranslatePollEvents(u32 events) { short TranslatePollEvents(PollEvents events) {
u32 result = 0; short result = 0;
if ((events & POLL_IN) != 0) { if (True(events & PollEvents::In)) {
events &= ~POLL_IN; events &= ~PollEvents::In;
result |= POLLIN; result |= POLLIN;
} }
if ((events & POLL_PRI) != 0) { if (True(events & PollEvents::Pri)) {
events &= ~POLL_PRI; events &= ~PollEvents::Pri;
#ifdef _WIN32 #ifdef _WIN32
LOG_WARNING(Service, "Winsock doesn't support POLLPRI"); LOG_WARNING(Service, "Winsock doesn't support POLLPRI");
#else #else
result |= POLL_PRI; result |= POLLPRI;
#endif #endif
} }
if ((events & POLL_OUT) != 0) { if (True(events & PollEvents::Out)) {
events &= ~POLL_OUT; events &= ~PollEvents::Out;
result |= POLLOUT; result |= POLLOUT;
} }
UNIMPLEMENTED_IF_MSG(events != 0, "Unhandled guest events=0x{:x}", events); UNIMPLEMENTED_IF_MSG((u16)events != 0, "Unhandled guest events=0x{:x}", (u16)events);
return static_cast<u16>(result); return result;
} }
u16 TranslatePollRevents(u32 revents) { PollEvents TranslatePollRevents(short revents) {
u32 result = 0; PollEvents result{};
const auto translate = [&result, &revents](u32 host, u32 guest) { const auto translate = [&result, &revents](short host, PollEvents guest) {
if ((revents & host) != 0) { if ((revents & host) != 0) {
revents &= ~host; revents &= static_cast<short>(~host);
result |= guest; result |= guest;
} }
}; };
translate(POLLIN, POLL_IN); translate(POLLIN, PollEvents::In);
translate(POLLPRI, POLL_PRI); translate(POLLPRI, PollEvents::Pri);
translate(POLLOUT, POLL_OUT); translate(POLLOUT, PollEvents::Out);
translate(POLLERR, POLL_ERR); translate(POLLERR, PollEvents::Err);
translate(POLLHUP, POLL_HUP); translate(POLLHUP, PollEvents::Hup);
UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents); UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents);
return static_cast<u16>(result); return result;
} }
template <typename T> template <typename T>
@ -350,7 +350,7 @@ std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
} }
for (size_t i = 0; i < num; ++i) { for (size_t i = 0; i < num; ++i) {
pollfds[i].revents = TranslatePollRevents(static_cast<u32>(host_pollfds[i].revents)); pollfds[i].revents = TranslatePollRevents(host_pollfds[i].revents);
} }
if (result > 0) { if (result > 0) {

26
src/core/network/network.h
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@ -61,18 +61,24 @@ struct SockAddrIn {
}; };
/// Cross-platform poll fd structure /// Cross-platform poll fd structure
struct PollFD {
Socket* socket; enum class PollEvents : u16 {
u16 events; // Using Pascal case because IN is a macro on Windows.
u16 revents; In = 1 << 0,
Pri = 1 << 1,
Out = 1 << 2,
Err = 1 << 3,
Hup = 1 << 4,
Nval = 1 << 5,
}; };
constexpr u16 POLL_IN = 1 << 0; DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
constexpr u16 POLL_PRI = 1 << 1;
constexpr u16 POLL_OUT = 1 << 2; struct PollFD {
constexpr u16 POLL_ERR = 1 << 3; Socket* socket;
constexpr u16 POLL_HUP = 1 << 4; PollEvents events;
constexpr u16 POLL_NVAL = 1 << 5; PollEvents revents;
};
class NetworkInstance { class NetworkInstance {
public: public: