diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/CMakeLists.txt | 2 | ||||
-rw-r--r-- | src/core/hle/service/nifm/nifm.cpp | 45 | ||||
-rw-r--r-- | src/core/memory.cpp | 552 | ||||
-rw-r--r-- | src/core/memory.h | 102 | ||||
-rw-r--r-- | src/core/network/network.cpp | 64 | ||||
-rw-r--r-- | src/core/network/network.h | 24 | ||||
-rw-r--r-- | src/core/network/network_interface.cpp | 203 | ||||
-rw-r--r-- | src/core/network/network_interface.h | 29 |
8 files changed, 481 insertions, 540 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 5c99c00f5..f5cf5c16a 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -636,6 +636,8 @@ add_library(core STATIC memory.h network/network.cpp network/network.h + network/network_interface.cpp + network/network_interface.h network/sockets.h perf_stats.cpp perf_stats.h diff --git a/src/core/hle/service/nifm/nifm.cpp b/src/core/hle/service/nifm/nifm.cpp index e742db48f..0a53c0c81 100644 --- a/src/core/hle/service/nifm/nifm.cpp +++ b/src/core/hle/service/nifm/nifm.cpp @@ -11,6 +11,7 @@ #include "core/hle/service/nifm/nifm.h" #include "core/hle/service/service.h" #include "core/network/network.h" +#include "core/network/network_interface.h" namespace Service::NIFM { @@ -179,10 +180,10 @@ private: IPC::ResponseBuilder rb{ctx, 3}; rb.Push(ResultSuccess); - if (Settings::values.bcat_backend.GetValue() == "none") { - rb.PushEnum(RequestState::NotSubmitted); - } else { + if (Network::GetHostIPv4Address().has_value()) { rb.PushEnum(RequestState::Connected); + } else { + rb.PushEnum(RequestState::NotSubmitted); } } @@ -322,12 +323,15 @@ private: void GetCurrentIpAddress(Kernel::HLERequestContext& ctx) { LOG_WARNING(Service_NIFM, "(STUBBED) called"); - const auto [ipv4, error] = Network::GetHostIPv4Address(); - UNIMPLEMENTED_IF(error != Network::Errno::SUCCESS); + auto ipv4 = Network::GetHostIPv4Address(); + if (!ipv4) { + LOG_ERROR(Service_NIFM, "Couldn't get host IPv4 address, defaulting to 0.0.0.0"); + ipv4.emplace(Network::IPv4Address{0, 0, 0, 0}); + } IPC::ResponseBuilder rb{ctx, 3}; rb.Push(ResultSuccess); - rb.PushRaw(ipv4); + rb.PushRaw(*ipv4); } void CreateTemporaryNetworkProfile(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Service_NIFM, "called"); @@ -354,10 +358,10 @@ private: static_assert(sizeof(IpConfigInfo) == sizeof(IpAddressSetting) + sizeof(DnsSetting), "IpConfigInfo has incorrect size."); - const IpConfigInfo ip_config_info{ + IpConfigInfo ip_config_info{ .ip_address_setting{ .is_automatic{true}, - .current_address{192, 168, 1, 100}, + .current_address{0, 0, 0, 0}, .subnet_mask{255, 255, 255, 0}, .gateway{192, 168, 1, 1}, }, @@ -368,6 +372,19 @@ private: }, }; + const auto iface = Network::GetSelectedNetworkInterface(); + if (iface) { + ip_config_info.ip_address_setting = + IpAddressSetting{.is_automatic{true}, + .current_address{Network::TranslateIPv4(iface->ip_address)}, + .subnet_mask{Network::TranslateIPv4(iface->subnet_mask)}, + .gateway{Network::TranslateIPv4(iface->gateway)}}; + + } else { + LOG_ERROR(Service_NIFM, + "Couldn't get host network configuration info, using default values"); + } + IPC::ResponseBuilder rb{ctx, 2 + (sizeof(IpConfigInfo) + 3) / sizeof(u32)}; rb.Push(ResultSuccess); rb.PushRaw<IpConfigInfo>(ip_config_info); @@ -384,10 +401,10 @@ private: IPC::ResponseBuilder rb{ctx, 3}; rb.Push(ResultSuccess); - if (Settings::values.bcat_backend.GetValue() == "none") { - rb.Push<u8>(0); - } else { + if (Network::GetHostIPv4Address().has_value()) { rb.Push<u8>(1); + } else { + rb.Push<u8>(0); } } void IsAnyInternetRequestAccepted(Kernel::HLERequestContext& ctx) { @@ -395,10 +412,10 @@ private: IPC::ResponseBuilder rb{ctx, 3}; rb.Push(ResultSuccess); - if (Settings::values.bcat_backend.GetValue() == "none") { - rb.Push<u8>(0); - } else { + if (Network::GetHostIPv4Address().has_value()) { rb.Push<u8>(1); + } else { + rb.Push<u8>(0); } } }; diff --git a/src/core/memory.cpp b/src/core/memory.cpp index f285c6f63..51c4dea26 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -4,8 +4,6 @@ #include <algorithm> #include <cstring> -#include <optional> -#include <utility> #include "common/assert.h" #include "common/atomic_ops.h" @@ -14,12 +12,10 @@ #include "common/page_table.h" #include "common/settings.h" #include "common/swap.h" -#include "core/arm/arm_interface.h" #include "core/core.h" #include "core/device_memory.h" #include "core/hle/kernel/k_page_table.h" #include "core/hle/kernel/k_process.h" -#include "core/hle/kernel/physical_memory.h" #include "core/memory.h" #include "video_core/gpu.h" @@ -62,17 +58,7 @@ struct Memory::Impl { } } - bool IsValidVirtualAddress(const Kernel::KProcess& process, const VAddr vaddr) const { - const auto& page_table = process.PageTable().PageTableImpl(); - const auto [pointer, type] = page_table.pointers[vaddr >> PAGE_BITS].PointerType(); - return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory; - } - - bool IsValidVirtualAddress(VAddr vaddr) const { - return IsValidVirtualAddress(*system.CurrentProcess(), vaddr); - } - - u8* GetPointerFromRasterizerCachedMemory(VAddr vaddr) const { + [[nodiscard]] u8* GetPointerFromRasterizerCachedMemory(VAddr vaddr) const { const PAddr paddr{current_page_table->backing_addr[vaddr >> PAGE_BITS]}; if (!paddr) { @@ -82,18 +68,6 @@ struct Memory::Impl { return system.DeviceMemory().GetPointer(paddr) + vaddr; } - u8* GetPointer(const VAddr vaddr) const { - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - return pointer + vaddr; - } - const auto type = Common::PageTable::PageInfo::ExtractType(raw_pointer); - if (type == Common::PageType::RasterizerCachedMemory) { - return GetPointerFromRasterizerCachedMemory(vaddr); - } - return nullptr; - } - u8 Read8(const VAddr addr) { return Read<u8>(addr); } @@ -179,7 +153,7 @@ struct Memory::Impl { std::string string; string.reserve(max_length); for (std::size_t i = 0; i < max_length; ++i) { - const char c = Read8(vaddr); + const char c = Read<s8>(vaddr); if (c == '\0') { break; } @@ -190,15 +164,14 @@ struct Memory::Impl { return string; } - void ReadBlock(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer, - const std::size_t size) { + void WalkBlock(const Kernel::KProcess& process, const VAddr addr, const std::size_t size, + auto on_unmapped, auto on_memory, auto on_rasterizer, auto increment) { const auto& page_table = process.PageTable().PageTableImpl(); - std::size_t remaining_size = size; - std::size_t page_index = src_addr >> PAGE_BITS; - std::size_t page_offset = src_addr & PAGE_MASK; + std::size_t page_index = addr >> PAGE_BITS; + std::size_t page_offset = addr & PAGE_MASK; - while (remaining_size > 0) { + while (remaining_size) { const std::size_t copy_amount = std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); @@ -206,22 +179,18 @@ struct Memory::Impl { const auto [pointer, type] = page_table.pointers[page_index].PointerType(); switch (type) { case Common::PageType::Unmapped: { - LOG_ERROR(HW_Memory, - "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", - current_vaddr, src_addr, size); - std::memset(dest_buffer, 0, copy_amount); + on_unmapped(copy_amount, current_vaddr); break; } case Common::PageType::Memory: { DEBUG_ASSERT(pointer); - const u8* const src_ptr = pointer + page_offset + (page_index << PAGE_BITS); - std::memcpy(dest_buffer, src_ptr, copy_amount); + u8* mem_ptr = pointer + page_offset + (page_index << PAGE_BITS); + on_memory(copy_amount, mem_ptr); break; } case Common::PageType::RasterizerCachedMemory: { - const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; - system.GPU().FlushRegion(current_vaddr, copy_amount); - std::memcpy(dest_buffer, host_ptr, copy_amount); + u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; + on_rasterizer(current_vaddr, copy_amount, host_ptr); break; } default: @@ -230,248 +199,122 @@ struct Memory::Impl { page_index++; page_offset = 0; - dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount; + increment(copy_amount); remaining_size -= copy_amount; } } - void ReadBlockUnsafe(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer, - const std::size_t size) { - const auto& page_table = process.PageTable().PageTableImpl(); - - std::size_t remaining_size = size; - std::size_t page_index = src_addr >> PAGE_BITS; - std::size_t page_offset = src_addr & PAGE_MASK; - - while (remaining_size > 0) { - const std::size_t copy_amount = - std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); - const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); - - const auto [pointer, type] = page_table.pointers[page_index].PointerType(); - switch (type) { - case Common::PageType::Unmapped: { + template <bool UNSAFE> + void ReadBlockImpl(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer, + const std::size_t size) { + WalkBlock( + process, src_addr, size, + [src_addr, size, &dest_buffer](const std::size_t copy_amount, + const VAddr current_vaddr) { LOG_ERROR(HW_Memory, "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, src_addr, size); std::memset(dest_buffer, 0, copy_amount); - break; - } - case Common::PageType::Memory: { - DEBUG_ASSERT(pointer); - const u8* const src_ptr = pointer + page_offset + (page_index << PAGE_BITS); + }, + [&dest_buffer](const std::size_t copy_amount, const u8* const src_ptr) { std::memcpy(dest_buffer, src_ptr, copy_amount); - break; - } - case Common::PageType::RasterizerCachedMemory: { - const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; + }, + [&system = system, &dest_buffer](const VAddr current_vaddr, + const std::size_t copy_amount, + const u8* const host_ptr) { + if constexpr (!UNSAFE) { + system.GPU().FlushRegion(current_vaddr, copy_amount); + } std::memcpy(dest_buffer, host_ptr, copy_amount); - break; - } - default: - UNREACHABLE(); - } - - page_index++; - page_offset = 0; - dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount; - remaining_size -= copy_amount; - } + }, + [&dest_buffer](const std::size_t copy_amount) { + dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount; + }); } void ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) { - ReadBlock(*system.CurrentProcess(), src_addr, dest_buffer, size); + ReadBlockImpl<false>(*system.CurrentProcess(), src_addr, dest_buffer, size); } void ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) { - ReadBlockUnsafe(*system.CurrentProcess(), src_addr, dest_buffer, size); + ReadBlockImpl<true>(*system.CurrentProcess(), src_addr, dest_buffer, size); } - void WriteBlock(const Kernel::KProcess& process, const VAddr dest_addr, const void* src_buffer, - const std::size_t size) { - const auto& page_table = process.PageTable().PageTableImpl(); - std::size_t remaining_size = size; - std::size_t page_index = dest_addr >> PAGE_BITS; - std::size_t page_offset = dest_addr & PAGE_MASK; - - while (remaining_size > 0) { - const std::size_t copy_amount = - std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); - const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); - - const auto [pointer, type] = page_table.pointers[page_index].PointerType(); - switch (type) { - case Common::PageType::Unmapped: { + template <bool UNSAFE> + void WriteBlockImpl(const Kernel::KProcess& process, const VAddr dest_addr, + const void* src_buffer, const std::size_t size) { + WalkBlock( + process, dest_addr, size, + [dest_addr, size](const std::size_t copy_amount, const VAddr current_vaddr) { LOG_ERROR(HW_Memory, "Unmapped WriteBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, dest_addr, size); - break; - } - case Common::PageType::Memory: { - DEBUG_ASSERT(pointer); - u8* const dest_ptr = pointer + page_offset + (page_index << PAGE_BITS); + }, + [&src_buffer](const std::size_t copy_amount, u8* const dest_ptr) { std::memcpy(dest_ptr, src_buffer, copy_amount); - break; - } - case Common::PageType::RasterizerCachedMemory: { - u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; - system.GPU().InvalidateRegion(current_vaddr, copy_amount); - std::memcpy(host_ptr, src_buffer, copy_amount); - break; - } - default: - UNREACHABLE(); - } - - page_index++; - page_offset = 0; - src_buffer = static_cast<const u8*>(src_buffer) + copy_amount; - remaining_size -= copy_amount; - } - } - - void WriteBlockUnsafe(const Kernel::KProcess& process, const VAddr dest_addr, - const void* src_buffer, const std::size_t size) { - const auto& page_table = process.PageTable().PageTableImpl(); - std::size_t remaining_size = size; - std::size_t page_index = dest_addr >> PAGE_BITS; - std::size_t page_offset = dest_addr & PAGE_MASK; - - while (remaining_size > 0) { - const std::size_t copy_amount = - std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); - const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); - - const auto [pointer, type] = page_table.pointers[page_index].PointerType(); - switch (type) { - case Common::PageType::Unmapped: { - LOG_ERROR(HW_Memory, - "Unmapped WriteBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", - current_vaddr, dest_addr, size); - break; - } - case Common::PageType::Memory: { - DEBUG_ASSERT(pointer); - u8* const dest_ptr = pointer + page_offset + (page_index << PAGE_BITS); - std::memcpy(dest_ptr, src_buffer, copy_amount); - break; - } - case Common::PageType::RasterizerCachedMemory: { - u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; + }, + [&system = system, &src_buffer](const VAddr current_vaddr, + const std::size_t copy_amount, u8* const host_ptr) { + if constexpr (!UNSAFE) { + system.GPU().InvalidateRegion(current_vaddr, copy_amount); + } std::memcpy(host_ptr, src_buffer, copy_amount); - break; - } - default: - UNREACHABLE(); - } - - page_index++; - page_offset = 0; - src_buffer = static_cast<const u8*>(src_buffer) + copy_amount; - remaining_size -= copy_amount; - } + }, + [&src_buffer](const std::size_t copy_amount) { + src_buffer = static_cast<const u8*>(src_buffer) + copy_amount; + }); } void WriteBlock(const VAddr dest_addr, const void* src_buffer, const std::size_t size) { - WriteBlock(*system.CurrentProcess(), dest_addr, src_buffer, size); + WriteBlockImpl<false>(*system.CurrentProcess(), dest_addr, src_buffer, size); } void WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer, const std::size_t size) { - WriteBlockUnsafe(*system.CurrentProcess(), dest_addr, src_buffer, size); + WriteBlockImpl<true>(*system.CurrentProcess(), dest_addr, src_buffer, size); } void ZeroBlock(const Kernel::KProcess& process, const VAddr dest_addr, const std::size_t size) { - const auto& page_table = process.PageTable().PageTableImpl(); - std::size_t remaining_size = size; - std::size_t page_index = dest_addr >> PAGE_BITS; - std::size_t page_offset = dest_addr & PAGE_MASK; - - while (remaining_size > 0) { - const std::size_t copy_amount = - std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); - const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); - - const auto [pointer, type] = page_table.pointers[page_index].PointerType(); - switch (type) { - case Common::PageType::Unmapped: { + WalkBlock( + process, dest_addr, size, + [dest_addr, size](const std::size_t copy_amount, const VAddr current_vaddr) { LOG_ERROR(HW_Memory, "Unmapped ZeroBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, dest_addr, size); - break; - } - case Common::PageType::Memory: { - DEBUG_ASSERT(pointer); - u8* const dest_ptr = pointer + page_offset + (page_index << PAGE_BITS); + }, + [](const std::size_t copy_amount, u8* const dest_ptr) { std::memset(dest_ptr, 0, copy_amount); - break; - } - case Common::PageType::RasterizerCachedMemory: { - u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; + }, + [&system = system](const VAddr current_vaddr, const std::size_t copy_amount, + u8* const host_ptr) { system.GPU().InvalidateRegion(current_vaddr, copy_amount); std::memset(host_ptr, 0, copy_amount); - break; - } - default: - UNREACHABLE(); - } - - page_index++; - page_offset = 0; - remaining_size -= copy_amount; - } - } - - void ZeroBlock(const VAddr dest_addr, const std::size_t size) { - ZeroBlock(*system.CurrentProcess(), dest_addr, size); + }, + [](const std::size_t copy_amount) {}); } void CopyBlock(const Kernel::KProcess& process, VAddr dest_addr, VAddr src_addr, const std::size_t size) { - const auto& page_table = process.PageTable().PageTableImpl(); - std::size_t remaining_size = size; - std::size_t page_index = src_addr >> PAGE_BITS; - std::size_t page_offset = src_addr & PAGE_MASK; - - while (remaining_size > 0) { - const std::size_t copy_amount = - std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size); - const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset); - - const auto [pointer, type] = page_table.pointers[page_index].PointerType(); - switch (type) { - case Common::PageType::Unmapped: { + WalkBlock( + process, dest_addr, size, + [this, &process, &dest_addr, &src_addr, size](const std::size_t copy_amount, + const VAddr current_vaddr) { LOG_ERROR(HW_Memory, "Unmapped CopyBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})", current_vaddr, src_addr, size); ZeroBlock(process, dest_addr, copy_amount); - break; - } - case Common::PageType::Memory: { - DEBUG_ASSERT(pointer); - const u8* src_ptr = pointer + page_offset + (page_index << PAGE_BITS); - WriteBlock(process, dest_addr, src_ptr, copy_amount); - break; - } - case Common::PageType::RasterizerCachedMemory: { - const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(current_vaddr)}; + }, + [this, &process, &dest_addr](const std::size_t copy_amount, const u8* const src_ptr) { + WriteBlockImpl<false>(process, dest_addr, src_ptr, copy_amount); + }, + [this, &system = system, &process, &dest_addr]( + const VAddr current_vaddr, const std::size_t copy_amount, u8* const host_ptr) { system.GPU().FlushRegion(current_vaddr, copy_amount); - WriteBlock(process, dest_addr, host_ptr, copy_amount); - break; - } - default: - UNREACHABLE(); - } - - page_index++; - page_offset = 0; - dest_addr += static_cast<VAddr>(copy_amount); - src_addr += static_cast<VAddr>(copy_amount); - remaining_size -= copy_amount; - } - } - - void CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size) { - return CopyBlock(*system.CurrentProcess(), dest_addr, src_addr, size); + WriteBlockImpl<false>(process, dest_addr, host_ptr, copy_amount); + }, + [&dest_addr, &src_addr](const std::size_t copy_amount) { + dest_addr += static_cast<VAddr>(copy_amount); + src_addr += static_cast<VAddr>(copy_amount); + }); } void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) { @@ -514,7 +357,7 @@ struct Memory::Impl { } else { // Switch page type to uncached if now uncached switch (page_type) { - case Common::PageType::Unmapped: + case Common::PageType::Unmapped: // NOLINT(bugprone-branch-clone) // It is not necessary for a process to have this region mapped into its address // space, for example, a system module need not have a VRAM mapping. break; @@ -597,52 +440,68 @@ struct Memory::Impl { } } - /** - * Reads a particular data type out of memory at the given virtual address. - * - * @param vaddr The virtual address to read the data type from. - * - * @tparam T The data type to read out of memory. This type *must* be - * trivially copyable, otherwise the behavior of this function - * is undefined. - * - * @returns The instance of T read from the specified virtual address. - */ - template <typename T> - T Read(VAddr vaddr) { + [[nodiscard]] u8* GetPointerImpl(VAddr vaddr, auto on_unmapped, auto on_rasterizer) const { // AARCH64 masks the upper 16 bit of all memory accesses vaddr &= 0xffffffffffffLL; if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); - return 0; + on_unmapped(); + return nullptr; } // Avoid adding any extra logic to this fast-path block const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (const u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - T value; - std::memcpy(&value, &pointer[vaddr], sizeof(T)); - return value; + if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { + return &pointer[vaddr]; } switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); - return 0; + on_unmapped(); + return nullptr; case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; + ASSERT_MSG(false, "Mapped memory page without a pointer @ 0x{:016X}", vaddr); + return nullptr; case Common::PageType::RasterizerCachedMemory: { - const u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().FlushRegion(vaddr, sizeof(T)); - T value; - std::memcpy(&value, host_ptr, sizeof(T)); - return value; + u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; + on_rasterizer(); + return host_ptr; } default: UNREACHABLE(); } - return {}; + return nullptr; + } + + [[nodiscard]] u8* GetPointer(const VAddr vaddr) const { + return GetPointerImpl( + vaddr, [vaddr]() { LOG_ERROR(HW_Memory, "Unmapped GetPointer @ 0x{:016X}", vaddr); }, + []() {}); + } + + /** + * Reads a particular data type out of memory at the given virtual address. + * + * @param vaddr The virtual address to read the data type from. + * + * @tparam T The data type to read out of memory. This type *must* be + * trivially copyable, otherwise the behavior of this function + * is undefined. + * + * @returns The instance of T read from the specified virtual address. + */ + template <typename T> + T Read(VAddr vaddr) { + T result = 0; + const u8* const ptr = GetPointerImpl( + vaddr, + [vaddr]() { + LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:016X}", sizeof(T) * 8, vaddr); + }, + [&system = system, vaddr]() { system.GPU().FlushRegion(vaddr, sizeof(T)); }); + if (ptr) { + std::memcpy(&result, ptr, sizeof(T)); + } + return result; } /** @@ -656,110 +515,46 @@ struct Memory::Impl { */ template <typename T> void Write(VAddr vaddr, const T data) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast<u32>(data), vaddr); - return; - } - - // Avoid adding any extra logic to this fast-path block - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - std::memcpy(&pointer[vaddr], &data, sizeof(T)); - return; - } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast<u32>(data), vaddr); - return; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* const host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(T)); - std::memcpy(host_ptr, &data, sizeof(T)); - break; - } - default: - UNREACHABLE(); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, "Unmapped Write{} @ 0x{:016X} = 0x{:016X}", sizeof(T) * 8, + vaddr, static_cast<u64>(data)); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); }); + if (ptr) { + std::memcpy(ptr, &data, sizeof(T)); } } template <typename T> bool WriteExclusive(VAddr vaddr, const T data, const T expected) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast<u32>(data), vaddr); - return true; - } - - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - // NOTE: Avoid adding any extra logic to this fast-path block - const auto volatile_pointer = reinterpret_cast<volatile T*>(&pointer[vaddr]); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, "Unmapped WriteExclusive{} @ 0x{:016X} = 0x{:016X}", + sizeof(T) * 8, vaddr, static_cast<u64>(data)); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(T)); }); + if (ptr) { + const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr); return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast<u32>(data), vaddr); - return true; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(T)); - auto* pointer = reinterpret_cast<volatile T*>(&host_ptr); - return Common::AtomicCompareAndSwap(pointer, data, expected); - } - default: - UNREACHABLE(); - } return true; } bool WriteExclusive128(VAddr vaddr, const u128 data, const u128 expected) { - // AARCH64 masks the upper 16 bit of all memory accesses - vaddr &= 0xffffffffffffLL; - - if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, - static_cast<u32>(data[0]), vaddr); - return true; - } - - const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); - if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { - // NOTE: Avoid adding any extra logic to this fast-path block - const auto volatile_pointer = reinterpret_cast<volatile u64*>(&pointer[vaddr]); + u8* const ptr = GetPointerImpl( + vaddr, + [vaddr, data]() { + LOG_ERROR(HW_Memory, "Unmapped WriteExclusive128 @ 0x{:016X} = 0x{:016X}{:016X}", + vaddr, static_cast<u64>(data[1]), static_cast<u64>(data[0])); + }, + [&system = system, vaddr]() { system.GPU().InvalidateRegion(vaddr, sizeof(u128)); }); + if (ptr) { + const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr); return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); } - switch (Common::PageTable::PageInfo::ExtractType(raw_pointer)) { - case Common::PageType::Unmapped: - LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}{:016X}", sizeof(data) * 8, - static_cast<u64>(data[1]), static_cast<u64>(data[0]), vaddr); - return true; - case Common::PageType::Memory: - ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr); - break; - case Common::PageType::RasterizerCachedMemory: { - u8* host_ptr{GetPointerFromRasterizerCachedMemory(vaddr)}; - system.GPU().InvalidateRegion(vaddr, sizeof(u128)); - auto* pointer = reinterpret_cast<volatile u64*>(&host_ptr); - return Common::AtomicCompareAndSwap(pointer, data, expected); - } - default: - UNREACHABLE(); - } return true; } @@ -789,12 +584,11 @@ void Memory::UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) { impl->UnmapRegion(page_table, base, size); } -bool Memory::IsValidVirtualAddress(const Kernel::KProcess& process, const VAddr vaddr) const { - return impl->IsValidVirtualAddress(process, vaddr); -} - bool Memory::IsValidVirtualAddress(const VAddr vaddr) const { - return impl->IsValidVirtualAddress(vaddr); + const Kernel::KProcess& process = *system.CurrentProcess(); + const auto& page_table = process.PageTable().PageTableImpl(); + const auto [pointer, type] = page_table.pointers[vaddr >> PAGE_BITS].PointerType(); + return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory; } u8* Memory::GetPointer(VAddr vaddr) { @@ -863,64 +657,38 @@ std::string Memory::ReadCString(VAddr vaddr, std::size_t max_length) { void Memory::ReadBlock(const Kernel::KProcess& process, const VAddr src_addr, void* dest_buffer, const std::size_t size) { - impl->ReadBlock(process, src_addr, dest_buffer, size); + impl->ReadBlockImpl<false>(process, src_addr, dest_buffer, size); } void Memory::ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) { impl->ReadBlock(src_addr, dest_buffer, size); } -void Memory::ReadBlockUnsafe(const Kernel::KProcess& process, const VAddr src_addr, - void* dest_buffer, const std::size_t size) { - impl->ReadBlockUnsafe(process, src_addr, dest_buffer, size); -} - void Memory::ReadBlockUnsafe(const VAddr src_addr, void* dest_buffer, const std::size_t size) { impl->ReadBlockUnsafe(src_addr, dest_buffer, size); } void Memory::WriteBlock(const Kernel::KProcess& process, VAddr dest_addr, const void* src_buffer, std::size_t size) { - impl->WriteBlock(process, dest_addr, src_buffer, size); + impl->WriteBlockImpl<false>(process, dest_addr, src_buffer, size); } void Memory::WriteBlock(const VAddr dest_addr, const void* src_buffer, const std::size_t size) { impl->WriteBlock(dest_addr, src_buffer, size); } -void Memory::WriteBlockUnsafe(const Kernel::KProcess& process, VAddr dest_addr, - const void* src_buffer, std::size_t size) { - impl->WriteBlockUnsafe(process, dest_addr, src_buffer, size); -} - void Memory::WriteBlockUnsafe(const VAddr dest_addr, const void* src_buffer, const std::size_t size) { impl->WriteBlockUnsafe(dest_addr, src_buffer, size); } -void Memory::ZeroBlock(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size) { - impl->ZeroBlock(process, dest_addr, size); -} - -void Memory::ZeroBlock(VAddr dest_addr, std::size_t size) { - impl->ZeroBlock(dest_addr, size); -} - void Memory::CopyBlock(const Kernel::KProcess& process, VAddr dest_addr, VAddr src_addr, const std::size_t size) { impl->CopyBlock(process, dest_addr, src_addr, size); } -void Memory::CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size) { - impl->CopyBlock(dest_addr, src_addr, size); -} - void Memory::RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) { impl->RasterizerMarkRegionCached(vaddr, size, cached); } -bool IsKernelVirtualAddress(const VAddr vaddr) { - return KERNEL_REGION_VADDR <= vaddr && vaddr < KERNEL_REGION_END; -} - } // namespace Core::Memory diff --git a/src/core/memory.h b/src/core/memory.h index c91eeced9..b5721b740 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -39,11 +39,6 @@ enum : VAddr { /// Application stack DEFAULT_STACK_SIZE = 0x100000, - - /// Kernel Virtual Address Range - KERNEL_REGION_VADDR = 0xFFFFFF8000000000, - KERNEL_REGION_SIZE = 0x7FFFE00000, - KERNEL_REGION_END = KERNEL_REGION_VADDR + KERNEL_REGION_SIZE, }; /// Central class that handles all memory operations and state. @@ -56,7 +51,7 @@ public: Memory& operator=(const Memory&) = delete; Memory(Memory&&) = default; - Memory& operator=(Memory&&) = default; + Memory& operator=(Memory&&) = delete; /** * Resets the state of the Memory system. @@ -92,24 +87,13 @@ public: /** * Checks whether or not the supplied address is a valid virtual - * address for the given process. - * - * @param process The emulated process to check the address against. - * @param vaddr The virtual address to check the validity of. - * - * @returns True if the given virtual address is valid, false otherwise. - */ - bool IsValidVirtualAddress(const Kernel::KProcess& process, VAddr vaddr) const; - - /** - * Checks whether or not the supplied address is a valid virtual * address for the current process. * * @param vaddr The virtual address to check the validity of. * * @returns True if the given virtual address is valid, false otherwise. */ - bool IsValidVirtualAddress(VAddr vaddr) const; + [[nodiscard]] bool IsValidVirtualAddress(VAddr vaddr) const; /** * Gets a pointer to the given address. @@ -134,7 +118,7 @@ public: * @returns The pointer to the given address, if the address is valid. * If the address is not valid, nullptr will be returned. */ - const u8* GetPointer(VAddr vaddr) const; + [[nodiscard]] const u8* GetPointer(VAddr vaddr) const; template <typename T> const T* GetPointer(VAddr vaddr) const { @@ -328,27 +312,6 @@ public: std::size_t size); /** - * Reads a contiguous block of bytes from a specified process' address space. - * This unsafe version does not trigger GPU flushing. - * - * @param process The process to read the data from. - * @param src_addr The virtual address to begin reading from. - * @param dest_buffer The buffer to place the read bytes into. - * @param size The amount of data to read, in bytes. - * - * @note If a size of 0 is specified, then this function reads nothing and - * no attempts to access memory are made at all. - * - * @pre dest_buffer must be at least size bytes in length, otherwise a - * buffer overrun will occur. - * - * @post The range [dest_buffer, size) contains the read bytes from the - * process' address space. - */ - void ReadBlockUnsafe(const Kernel::KProcess& process, VAddr src_addr, void* dest_buffer, - std::size_t size); - - /** * Reads a contiguous block of bytes from the current process' address space. * * @param src_addr The virtual address to begin reading from. @@ -409,26 +372,6 @@ public: std::size_t size); /** - * Writes a range of bytes into a given process' address space at the specified - * virtual address. - * This unsafe version does not invalidate GPU Memory. - * - * @param process The process to write data into the address space of. - * @param dest_addr The destination virtual address to begin writing the data at. - * @param src_buffer The data to write into the process' address space. - * @param size The size of the data to write, in bytes. - * - * @post The address range [dest_addr, size) in the process' address space - * contains the data that was within src_buffer. - * - * @post If an attempt is made to write into an unmapped region of memory, the writes - * will be ignored and an error will be logged. - * - */ - void WriteBlockUnsafe(const Kernel::KProcess& process, VAddr dest_addr, const void* src_buffer, - std::size_t size); - - /** * Writes a range of bytes into the current process' address space at the specified * virtual address. * @@ -468,29 +411,6 @@ public: void WriteBlockUnsafe(VAddr dest_addr, const void* src_buffer, std::size_t size); /** - * Fills the specified address range within a process' address space with zeroes. - * - * @param process The process that will have a portion of its memory zeroed out. - * @param dest_addr The starting virtual address of the range to zero out. - * @param size The size of the address range to zero out, in bytes. - * - * @post The range [dest_addr, size) within the process' address space is - * filled with zeroes. - */ - void ZeroBlock(const Kernel::KProcess& process, VAddr dest_addr, std::size_t size); - - /** - * Fills the specified address range within the current process' address space with zeroes. - * - * @param dest_addr The starting virtual address of the range to zero out. - * @param size The size of the address range to zero out, in bytes. - * - * @post The range [dest_addr, size) within the current process' address space is - * filled with zeroes. - */ - void ZeroBlock(VAddr dest_addr, std::size_t size); - - /** * Copies data within a process' address space to another location within the * same address space. * @@ -506,19 +426,6 @@ public: std::size_t size); /** - * Copies data within the current process' address space to another location within the - * same address space. - * - * @param dest_addr The destination virtual address to begin copying the data into. - * @param src_addr The source virtual address to begin copying the data from. - * @param size The size of the data to copy, in bytes. - * - * @post The range [dest_addr, size) within the current process' address space - * contains the same data within the range [src_addr, size). - */ - void CopyBlock(VAddr dest_addr, VAddr src_addr, std::size_t size); - - /** * Marks each page within the specified address range as cached or uncached. * * @param vaddr The virtual address indicating the start of the address range. @@ -535,7 +442,4 @@ private: std::unique_ptr<Impl> impl; }; -/// Determines if the given VAddr is a kernel address -bool IsKernelVirtualAddress(VAddr vaddr); - } // namespace Core::Memory diff --git a/src/core/network/network.cpp b/src/core/network/network.cpp index 375bc79ec..4732d4485 100644 --- a/src/core/network/network.cpp +++ b/src/core/network/network.cpp @@ -10,9 +10,10 @@ #include "common/common_funcs.h" #ifdef _WIN32 -#define _WINSOCK_DEPRECATED_NO_WARNINGS // gethostname #include <winsock2.h> +#include <ws2tcpip.h> #elif YUZU_UNIX +#include <arpa/inet.h> #include <errno.h> #include <fcntl.h> #include <netdb.h> @@ -27,7 +28,9 @@ #include "common/assert.h" #include "common/common_types.h" #include "common/logging/log.h" +#include "common/settings.h" #include "core/network/network.h" +#include "core/network/network_interface.h" #include "core/network/sockets.h" namespace Network { @@ -47,11 +50,6 @@ void Finalize() { WSACleanup(); } -constexpr IPv4Address TranslateIPv4(in_addr addr) { - auto& bytes = addr.S_un.S_un_b; - return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4}; -} - sockaddr TranslateFromSockAddrIn(SockAddrIn input) { sockaddr_in result; @@ -138,12 +136,6 @@ void Initialize() {} void Finalize() {} -constexpr IPv4Address TranslateIPv4(in_addr addr) { - const u32 bytes = addr.s_addr; - return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8), - static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)}; -} - sockaddr TranslateFromSockAddrIn(SockAddrIn input) { sockaddr_in result; @@ -182,7 +174,7 @@ linger MakeLinger(bool enable, u32 linger_value) { } bool EnableNonBlock(int fd, bool enable) { - int flags = fcntl(fd, F_GETFD); + int flags = fcntl(fd, F_GETFL); if (flags == -1) { return false; } @@ -191,7 +183,7 @@ bool EnableNonBlock(int fd, bool enable) { } else { flags &= ~O_NONBLOCK; } - return fcntl(fd, F_SETFD, flags) == 0; + return fcntl(fd, F_SETFL, flags) == 0; } Errno TranslateNativeError(int e) { @@ -227,8 +219,12 @@ Errno GetAndLogLastError() { #else int e = errno; #endif + const Errno err = TranslateNativeError(e); + if (err == Errno::AGAIN) { + return err; + } LOG_ERROR(Network, "Socket operation error: {}", NativeErrorToString(e)); - return TranslateNativeError(e); + return err; } int TranslateDomain(Domain domain) { @@ -353,27 +349,29 @@ NetworkInstance::~NetworkInstance() { Finalize(); } -std::pair<IPv4Address, Errno> GetHostIPv4Address() { - std::array<char, 256> name{}; - if (gethostname(name.data(), static_cast<int>(name.size()) - 1) == SOCKET_ERROR) { - return {IPv4Address{}, GetAndLogLastError()}; +std::optional<IPv4Address> GetHostIPv4Address() { + const std::string& selected_network_interface = Settings::values.network_interface.GetValue(); + const auto network_interfaces = Network::GetAvailableNetworkInterfaces(); + if (network_interfaces.size() == 0) { + LOG_ERROR(Network, "GetAvailableNetworkInterfaces returned no interfaces"); + return {}; } - hostent* const ent = gethostbyname(name.data()); - if (!ent) { - return {IPv4Address{}, GetAndLogLastError()}; - } - if (ent->h_addr_list == nullptr) { - UNIMPLEMENTED_MSG("No addr provided in hostent->h_addr_list"); - return {IPv4Address{}, Errno::SUCCESS}; - } - if (ent->h_length != sizeof(in_addr)) { - UNIMPLEMENTED_MSG("Unexpected size={} in hostent->h_length", ent->h_length); - } + const auto res = + std::ranges::find_if(network_interfaces, [&selected_network_interface](const auto& iface) { + return iface.name == selected_network_interface; + }); + + if (res != network_interfaces.end()) { + char ip_addr[16] = {}; + ASSERT(inet_ntop(AF_INET, &res->ip_address, ip_addr, sizeof(ip_addr)) != nullptr); + LOG_INFO(Network, "IP address: {}", ip_addr); - in_addr addr; - std::memcpy(&addr, ent->h_addr_list[0], sizeof(addr)); - return {TranslateIPv4(addr), Errno::SUCCESS}; + return TranslateIPv4(res->ip_address); + } else { + LOG_ERROR(Network, "Couldn't find selected interface \"{}\"", selected_network_interface); + return {}; + } } std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) { diff --git a/src/core/network/network.h b/src/core/network/network.h index bd30f1899..fdd3e4655 100644 --- a/src/core/network/network.h +++ b/src/core/network/network.h @@ -5,11 +5,18 @@ #pragma once #include <array> +#include <optional> #include <utility> #include "common/common_funcs.h" #include "common/common_types.h" +#ifdef _WIN32 +#include <winsock2.h> +#elif YUZU_UNIX +#include <netinet/in.h> +#endif + namespace Network { class Socket; @@ -92,8 +99,21 @@ public: ~NetworkInstance(); }; +#ifdef _WIN32 +constexpr IPv4Address TranslateIPv4(in_addr addr) { + auto& bytes = addr.S_un.S_un_b; + return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4}; +} +#elif YUZU_UNIX +constexpr IPv4Address TranslateIPv4(in_addr addr) { + const u32 bytes = addr.s_addr; + return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8), + static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)}; +} +#endif + /// @brief Returns host's IPv4 address -/// @return Pair of an array of human ordered IPv4 address (e.g. 192.168.0.1) and an error code -std::pair<IPv4Address, Errno> GetHostIPv4Address(); +/// @return human ordered IPv4 address (e.g. 192.168.0.1) as an array +std::optional<IPv4Address> GetHostIPv4Address(); } // namespace Network diff --git a/src/core/network/network_interface.cpp b/src/core/network/network_interface.cpp new file mode 100644 index 000000000..cecc9aa11 --- /dev/null +++ b/src/core/network/network_interface.cpp @@ -0,0 +1,203 @@ +// Copyright 2021 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <algorithm> +#include <fstream> +#include <sstream> +#include <vector> + +#include "common/bit_cast.h" +#include "common/common_types.h" +#include "common/logging/log.h" +#include "common/settings.h" +#include "common/string_util.h" +#include "core/network/network_interface.h" + +#ifdef _WIN32 +#include <iphlpapi.h> +#else +#include <cerrno> +#include <ifaddrs.h> +#include <net/if.h> +#endif + +namespace Network { + +#ifdef _WIN32 + +std::vector<NetworkInterface> GetAvailableNetworkInterfaces() { + std::vector<IP_ADAPTER_ADDRESSES> adapter_addresses; + DWORD ret = ERROR_BUFFER_OVERFLOW; + DWORD buf_size = 0; + + // retry up to 5 times + for (int i = 0; i < 5 && ret == ERROR_BUFFER_OVERFLOW; i++) { + ret = GetAdaptersAddresses( + AF_INET, GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_INCLUDE_GATEWAYS, + nullptr, adapter_addresses.data(), &buf_size); + + if (ret == ERROR_BUFFER_OVERFLOW) { + adapter_addresses.resize((buf_size / sizeof(IP_ADAPTER_ADDRESSES)) + 1); + } else { + break; + } + } + + if (ret == NO_ERROR) { + std::vector<NetworkInterface> result; + + for (auto current_address = adapter_addresses.data(); current_address != nullptr; + current_address = current_address->Next) { + if (current_address->FirstUnicastAddress == nullptr || + current_address->FirstUnicastAddress->Address.lpSockaddr == nullptr) { + continue; + } + + if (current_address->OperStatus != IfOperStatusUp) { + continue; + } + + const auto ip_addr = Common::BitCast<struct sockaddr_in>( + *current_address->FirstUnicastAddress->Address.lpSockaddr) + .sin_addr; + + ULONG mask = 0; + if (ConvertLengthToIpv4Mask(current_address->FirstUnicastAddress->OnLinkPrefixLength, + &mask) != NO_ERROR) { + LOG_ERROR(Network, "Failed to convert IPv4 prefix length to subnet mask"); + continue; + } + + struct in_addr gateway = {.S_un{.S_addr{0}}}; + if (current_address->FirstGatewayAddress != nullptr && + current_address->FirstGatewayAddress->Address.lpSockaddr != nullptr) { + gateway = Common::BitCast<struct sockaddr_in>( + *current_address->FirstGatewayAddress->Address.lpSockaddr) + .sin_addr; + } + + result.push_back(NetworkInterface{ + .name{Common::UTF16ToUTF8(std::wstring{current_address->FriendlyName})}, + .ip_address{ip_addr}, + .subnet_mask = in_addr{.S_un{.S_addr{mask}}}, + .gateway = gateway}); + } + + return result; + } else { + LOG_ERROR(Network, "Failed to get network interfaces with GetAdaptersAddresses"); + return {}; + } +} + +#else + +std::vector<NetworkInterface> GetAvailableNetworkInterfaces() { + std::vector<NetworkInterface> result; + + struct ifaddrs* ifaddr = nullptr; + + if (getifaddrs(&ifaddr) != 0) { + LOG_ERROR(Network, "Failed to get network interfaces with getifaddrs: {}", + std::strerror(errno)); + return result; + } + + for (auto ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) { + if (ifa->ifa_addr == nullptr || ifa->ifa_netmask == nullptr) { + continue; + } + + if (ifa->ifa_addr->sa_family != AF_INET) { + continue; + } + + if ((ifa->ifa_flags & IFF_UP) == 0 || (ifa->ifa_flags & IFF_LOOPBACK) != 0) { + continue; + } + + std::uint32_t gateway{0}; + std::ifstream file{"/proc/net/route"}; + if (file.is_open()) { + + // ignore header + file.ignore(std::numeric_limits<std::streamsize>::max(), '\n'); + + bool gateway_found = false; + + for (std::string line; std::getline(file, line);) { + std::istringstream iss{line}; + + std::string iface_name{}; + iss >> iface_name; + if (iface_name != ifa->ifa_name) { + continue; + } + + iss >> std::hex; + + std::uint32_t dest{0}; + iss >> dest; + if (dest != 0) { + // not the default route + continue; + } + + iss >> gateway; + + std::uint16_t flags{0}; + iss >> flags; + + // flag RTF_GATEWAY (defined in <linux/route.h>) + if ((flags & 0x2) == 0) { + continue; + } + + gateway_found = true; + break; + } + + if (!gateway_found) { + gateway = 0; + } + } else { + LOG_ERROR(Network, "Failed to open \"/proc/net/route\""); + } + + result.push_back(NetworkInterface{ + .name{ifa->ifa_name}, + .ip_address{Common::BitCast<struct sockaddr_in>(*ifa->ifa_addr).sin_addr}, + .subnet_mask{Common::BitCast<struct sockaddr_in>(*ifa->ifa_netmask).sin_addr}, + .gateway{in_addr{.s_addr = gateway}}}); + } + + freeifaddrs(ifaddr); + + return result; +} + +#endif + +std::optional<NetworkInterface> GetSelectedNetworkInterface() { + const std::string& selected_network_interface = Settings::values.network_interface.GetValue(); + const auto network_interfaces = Network::GetAvailableNetworkInterfaces(); + if (network_interfaces.size() == 0) { + LOG_ERROR(Network, "GetAvailableNetworkInterfaces returned no interfaces"); + return {}; + } + + const auto res = + std::ranges::find_if(network_interfaces, [&selected_network_interface](const auto& iface) { + return iface.name == selected_network_interface; + }); + + if (res != network_interfaces.end()) { + return *res; + } else { + LOG_ERROR(Network, "Couldn't find selected interface \"{}\"", selected_network_interface); + return {}; + } +} + +} // namespace Network diff --git a/src/core/network/network_interface.h b/src/core/network/network_interface.h new file mode 100644 index 000000000..980edb2f5 --- /dev/null +++ b/src/core/network/network_interface.h @@ -0,0 +1,29 @@ +// Copyright 2021 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <optional> +#include <string> +#include <vector> + +#ifdef _WIN32 +#include <winsock2.h> +#else +#include <netinet/in.h> +#endif + +namespace Network { + +struct NetworkInterface { + std::string name; + struct in_addr ip_address; + struct in_addr subnet_mask; + struct in_addr gateway; +}; + +std::vector<NetworkInterface> GetAvailableNetworkInterfaces(); +std::optional<NetworkInterface> GetSelectedNetworkInterface(); + +} // namespace Network |