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https://github.com/PabloMK7/citra.git
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Use RunAsync in multiple socket operations (#7053)
* Use RunAsync in multiple socket operations * EOF newline * Fix linux compilation * Fix compilation on macos
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1 changed files with 208 additions and 119 deletions
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@ -1093,59 +1093,88 @@ void SOC_U::RecvFromOther(Kernel::HLERequestContext& ctx) {
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#endif // _WIN32
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u32 addr_len = rp.Pop<u32>();
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rp.PopPID();
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auto& buffer = rp.PopMappedBuffer();
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CTRSockAddr ctr_src_addr;
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std::vector<u8> output_buff(len);
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std::vector<u8> addr_buff(addr_len);
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bool needs_async = GetSocketBlocking(fd_info->second) && !dont_wait;
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struct AsyncData {
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// Input
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u32 len{};
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u32 flags{};
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u32 addr_len{};
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SocketHolder* fd_info;
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#ifdef _WIN32
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bool dont_wait;
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bool was_blocking;
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#endif
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// Output
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s32 ret{};
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int recv_error;
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Kernel::MappedBuffer* buffer;
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std::vector<u8> output_buff;
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std::vector<u8> addr_buff;
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};
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auto async_data = std::make_shared<AsyncData>();
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async_data->buffer = &rp.PopMappedBuffer();
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async_data->ret = -1;
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async_data->len = len;
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async_data->flags = flags;
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async_data->addr_len = addr_len;
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async_data->output_buff.resize(len);
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async_data->addr_buff.resize(addr_len);
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async_data->fd_info = &fd_info->second;
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#ifdef _WIN32
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async_data->dont_wait = dont_wait;
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async_data->was_blocking = was_blocking;
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#endif
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ctx.RunAsync(
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[async_data](Kernel::HLERequestContext& ctx) {
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sockaddr src_addr;
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socklen_t src_addr_len = sizeof(src_addr);
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s32 ret = -1;
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if (GetSocketBlocking(fd_info->second) && !dont_wait) {
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PreTimerAdjust();
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}
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if (addr_len > 0) {
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ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
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reinterpret_cast<char*>(output_buff.data()), len, flags,
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&src_addr, &src_addr_len));
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if (ret >= 0 && src_addr_len > 0) {
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CTRSockAddr ctr_src_addr;
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if (async_data->addr_len > 0) {
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async_data->ret = static_cast<s32>(
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::recvfrom(async_data->fd_info->socket_fd,
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reinterpret_cast<char*>(async_data->output_buff.data()),
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async_data->len, async_data->flags, &src_addr, &src_addr_len));
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if (async_data->ret >= 0 && src_addr_len > 0) {
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ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
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std::memcpy(addr_buff.data(), &ctr_src_addr, addr_len);
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std::memcpy(async_data->addr_buff.data(), &ctr_src_addr, async_data->addr_len);
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}
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} else {
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ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
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reinterpret_cast<char*>(output_buff.data()), len, flags,
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NULL, 0));
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addr_buff.resize(0);
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async_data->ret = static_cast<s32>(
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::recvfrom(async_data->fd_info->socket_fd,
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reinterpret_cast<char*>(async_data->output_buff.data()),
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async_data->len, async_data->flags, NULL, 0));
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async_data->addr_buff.resize(0);
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}
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int recv_error = (ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
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if (GetSocketBlocking(fd_info->second) && !dont_wait) {
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PostTimerAdjust(ctx, "RecvFromOther");
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async_data->recv_error = (async_data->ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
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return 0;
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},
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[this, async_data](Kernel::HLERequestContext& ctx) {
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if (async_data->ret == SOCKET_ERROR_VALUE) {
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async_data->ret = TranslateError(async_data->recv_error);
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} else {
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async_data->buffer->Write(async_data->output_buff.data(), 0, async_data->ret);
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}
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#ifdef _WIN32
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if (dont_wait && was_blocking) {
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SetSocketBlocking(fd_info->second, true);
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if (async_data->dont_wait && async_data->was_blocking) {
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SetSocketBlocking(*async_data->fd_info, true);
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}
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#else
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(void)this;
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#endif
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if (ret == SOCKET_ERROR_VALUE) {
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ret = TranslateError(recv_error);
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} else {
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buffer.Write(output_buff.data(), 0, ret);
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}
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IPC::RequestBuilder rb = rp.MakeBuilder(2, 4);
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IPC::RequestBuilder rb(ctx, 0x07, 2, 4);
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rb.Push(RESULT_SUCCESS);
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rb.Push(ret);
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rb.PushStaticBuffer(std::move(addr_buff), 0);
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rb.PushMappedBuffer(buffer);
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rb.Push(async_data->ret);
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rb.PushStaticBuffer(std::move(async_data->addr_buff), 0);
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rb.PushMappedBuffer(*async_data->buffer);
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},
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needs_async);
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}
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void SOC_U::RecvFrom(Kernel::HLERequestContext& ctx) {
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// TODO(Subv): Calling this function on a blocking socket will block the emu thread,
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// preventing graceful shutdown when closing the emulator, this can be fixed by always
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// performing nonblocking operations and spinlock until the data is available
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IPC::RequestParser rp(ctx);
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u32 socket_handle = rp.Pop<u32>();
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auto fd_info = open_sockets.find(socket_handle);
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@ -1172,55 +1201,89 @@ void SOC_U::RecvFrom(Kernel::HLERequestContext& ctx) {
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u32 addr_len = rp.Pop<u32>();
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rp.PopPID();
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CTRSockAddr ctr_src_addr;
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std::vector<u8> output_buff(len);
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std::vector<u8> addr_buff(addr_len);
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bool needs_async = GetSocketBlocking(fd_info->second) && !dont_wait;
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struct AsyncData {
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// Input
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u32 len{};
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u32 flags{};
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u32 addr_len{};
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SocketHolder* fd_info;
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#ifdef _WIN32
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bool dont_wait;
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bool was_blocking;
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#endif
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// Output
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s32 ret{};
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int recv_error;
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std::vector<u8> output_buff;
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std::vector<u8> addr_buff;
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};
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auto async_data = std::make_shared<AsyncData>();
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async_data->ret = -1;
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async_data->len = len;
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async_data->flags = flags;
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async_data->addr_len = addr_len;
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async_data->output_buff.resize(len);
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async_data->addr_buff.resize(addr_len);
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async_data->fd_info = &fd_info->second;
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#ifdef _WIN32
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async_data->dont_wait = dont_wait;
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async_data->was_blocking = was_blocking;
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#endif
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ctx.RunAsync(
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[async_data](Kernel::HLERequestContext& ctx) {
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sockaddr src_addr;
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socklen_t src_addr_len = sizeof(src_addr);
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s32 ret = -1;
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if (GetSocketBlocking(fd_info->second) && !dont_wait) {
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PreTimerAdjust();
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}
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if (addr_len > 0) {
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CTRSockAddr ctr_src_addr;
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if (async_data->addr_len > 0) {
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// Only get src adr if input adr available
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ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
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reinterpret_cast<char*>(output_buff.data()), len, flags,
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&src_addr, &src_addr_len));
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if (ret >= 0 && src_addr_len > 0) {
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async_data->ret = static_cast<s32>(
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::recvfrom(async_data->fd_info->socket_fd,
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reinterpret_cast<char*>(async_data->output_buff.data()),
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async_data->len, async_data->flags, &src_addr, &src_addr_len));
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if (async_data->ret >= 0 && src_addr_len > 0) {
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ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
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std::memcpy(addr_buff.data(), &ctr_src_addr, addr_len);
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std::memcpy(async_data->addr_buff.data(), &ctr_src_addr, async_data->addr_len);
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}
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} else {
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ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
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reinterpret_cast<char*>(output_buff.data()), len, flags,
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NULL, 0));
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addr_buff.resize(0);
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}
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int recv_error = (ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
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if (GetSocketBlocking(fd_info->second) && !dont_wait) {
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PostTimerAdjust(ctx, "RecvFrom");
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async_data->ret = static_cast<s32>(
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::recvfrom(async_data->fd_info->socket_fd,
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reinterpret_cast<char*>(async_data->output_buff.data()),
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async_data->len, async_data->flags, NULL, 0));
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async_data->addr_buff.resize(0);
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}
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async_data->recv_error = (async_data->ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
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return 0;
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},
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[this, async_data](Kernel::HLERequestContext& ctx) {
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#ifdef _WIN32
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if (dont_wait && was_blocking) {
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SetSocketBlocking(fd_info->second, true);
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if (async_data->dont_wait && async_data->was_blocking) {
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SetSocketBlocking(*async_data->fd_info, true);
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}
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#else
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(void)this;
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#endif
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s32 total_received = ret;
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if (ret == SOCKET_ERROR_VALUE) {
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ret = TranslateError(recv_error);
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s32 total_received = async_data->ret;
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if (async_data->ret == SOCKET_ERROR_VALUE) {
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async_data->ret = TranslateError(async_data->recv_error);
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total_received = 0;
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}
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// Write only the data we received to avoid overwriting parts of the buffer with zeros
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output_buff.resize(total_received);
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async_data->output_buff.resize(total_received);
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IPC::RequestBuilder rb = rp.MakeBuilder(3, 4);
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IPC::RequestBuilder rb(ctx, 0x08, 3, 4);
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rb.Push(RESULT_SUCCESS);
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rb.Push(ret);
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rb.Push(async_data->ret);
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rb.Push(total_received);
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rb.PushStaticBuffer(std::move(output_buff), 0);
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rb.PushStaticBuffer(std::move(addr_buff), 1);
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rb.PushStaticBuffer(std::move(async_data->output_buff), 0);
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rb.PushStaticBuffer(std::move(async_data->addr_buff), 1);
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},
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needs_async);
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}
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void SOC_U::Poll(Kernel::HLERequestContext& ctx) {
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@ -1230,45 +1293,71 @@ void SOC_U::Poll(Kernel::HLERequestContext& ctx) {
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rp.PopPID();
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auto input_fds = rp.PopStaticBuffer();
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std::vector<CTRPollFD> ctr_fds(nfds);
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std::memcpy(ctr_fds.data(), input_fds.data(), nfds * sizeof(CTRPollFD));
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struct AsyncData {
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// Input
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s32 timeout;
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u32 nfds;
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// Input/Output
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std::vector<pollfd> platform_pollfd;
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std::vector<u8> has_libctru_bug;
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std::vector<CTRPollFD> ctr_fds;
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// Output
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s32 ret;
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int poll_error;
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};
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auto async_data = std::make_shared<AsyncData>();
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async_data->timeout = timeout;
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async_data->nfds = nfds;
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async_data->ctr_fds.resize(nfds);
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std::memcpy(async_data->ctr_fds.data(), input_fds.data(), nfds * sizeof(CTRPollFD));
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// The 3ds_pollfd and the pollfd structures may be different (Windows/Linux have different
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// sizes)
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// so we have to copy the data in order
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std::vector<pollfd> platform_pollfd(nfds);
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std::vector<u8> has_libctru_bug(nfds, false);
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async_data->platform_pollfd.resize(nfds);
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async_data->has_libctru_bug.resize(nfds, false);
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for (u32 i = 0; i < nfds; i++) {
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platform_pollfd[i] = CTRPollFD::ToPlatform(*this, ctr_fds[i], has_libctru_bug[i]);
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async_data->platform_pollfd[i] =
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CTRPollFD::ToPlatform(*this, async_data->ctr_fds[i], async_data->has_libctru_bug[i]);
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}
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if (timeout) {
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PreTimerAdjust();
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ctx.RunAsync(
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[async_data](Kernel::HLERequestContext& ctx) {
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async_data->ret =
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::poll(async_data->platform_pollfd.data(), async_data->nfds, async_data->timeout);
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if (async_data->ret == SOCKET_ERROR_VALUE) {
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async_data->poll_error = GET_ERRNO;
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}
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s32 ret = ::poll(platform_pollfd.data(), nfds, timeout);
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if (timeout) {
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PostTimerAdjust(ctx, "Poll");
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}
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return 0;
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},
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[this, async_data](Kernel::HLERequestContext& ctx) {
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// Now update the output 3ds_pollfd structure
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for (u32 i = 0; i < nfds; i++) {
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ctr_fds[i] = CTRPollFD::FromPlatform(*this, platform_pollfd[i], has_libctru_bug[i]);
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for (u32 i = 0; i < async_data->nfds; i++) {
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async_data->ctr_fds[i] = CTRPollFD::FromPlatform(
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*this, async_data->platform_pollfd[i], async_data->has_libctru_bug[i]);
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}
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std::vector<u8> output_fds(nfds * sizeof(CTRPollFD));
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std::memcpy(output_fds.data(), ctr_fds.data(), nfds * sizeof(CTRPollFD));
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std::vector<u8> output_fds(async_data->nfds * sizeof(CTRPollFD));
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std::memcpy(output_fds.data(), async_data->ctr_fds.data(),
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async_data->nfds * sizeof(CTRPollFD));
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if (ret == SOCKET_ERROR_VALUE) {
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int err = GET_ERRNO;
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LOG_ERROR(Service_SOC, "Socket error: {}", err);
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if (async_data->ret == SOCKET_ERROR_VALUE) {
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int err = async_data->poll_error;
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LOG_DEBUG(Service_SOC, "Socket error: {}", err);
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ret = TranslateError(GET_ERRNO);
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async_data->ret = TranslateError(GET_ERRNO);
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}
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IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
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IPC::RequestBuilder rb(ctx, static_cast<u16>(ctx.CommandHeader().command_id.Value()), 2,
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2);
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rb.Push(RESULT_SUCCESS);
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rb.Push(ret);
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rb.Push(async_data->ret);
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rb.PushStaticBuffer(std::move(output_fds), 0);
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},
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timeout != 0);
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}
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void SOC_U::GetSockName(Kernel::HLERequestContext& ctx) {
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