mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-19 22:59:00 +00:00
113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "../amsmitm_initialization.hpp"
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#include "dnsmitm_module.hpp"
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#include "dnsmitm_resolver_impl.hpp"
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#include "dnsmitm_debug.hpp"
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namespace ams::mitm::socket::resolver {
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namespace {
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enum PortIndex {
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PortIndex_Mitm,
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PortIndex_Count,
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};
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constexpr sm::ServiceName DnsMitmServiceName = sm::ServiceName::Encode("sfdnsres");
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constexpr size_t MaxSessions = 30;
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using ServerOptions = sf::hipc::DefaultServerManagerOptions;
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class ServerManager final : public sf::hipc::ServerManager<PortIndex_Count, ServerOptions, MaxSessions> {
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private:
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virtual Result OnNeedsToAccept(int port_index, Server *server) override;
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};
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ServerManager g_server_manager;
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Result ServerManager::OnNeedsToAccept(int port_index, Server *server) {
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/* Acknowledge the mitm session. */
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std::shared_ptr<::Service> fsrv;
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sm::MitmProcessInfo client_info;
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server->AcknowledgeMitmSession(std::addressof(fsrv), std::addressof(client_info));
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switch (port_index) {
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case PortIndex_Mitm:
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return this->AcceptMitmImpl(server, sf::CreateSharedObjectEmplaced<IResolver, ResolverImpl>(decltype(fsrv)(fsrv), client_info), fsrv);
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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constexpr size_t TotalThreads = 8;
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static_assert(TotalThreads >= 1, "TotalThreads");
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constexpr size_t NumExtraThreads = TotalThreads - 1;
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constexpr size_t ThreadStackSize = mitm::ModuleTraits<socket::resolver::MitmModule>::StackSize;
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alignas(os::MemoryPageSize) u8 g_extra_thread_stacks[NumExtraThreads][ThreadStackSize];
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os::ThreadType g_extra_threads[NumExtraThreads];
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void LoopServerThread(void *arg) {
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/* Loop forever, servicing our services. */
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g_server_manager.LoopProcess();
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}
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void ProcessForServerOnAllThreads() {
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/* Initialize threads. */
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if constexpr (NumExtraThreads > 0) {
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const s32 priority = os::GetThreadCurrentPriority(os::GetCurrentThread());
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for (size_t i = 0; i < NumExtraThreads; i++) {
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R_ABORT_UNLESS(os::CreateThread(g_extra_threads + i, LoopServerThread, nullptr, g_extra_thread_stacks[i], ThreadStackSize, priority));
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}
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}
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/* Start extra threads. */
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if constexpr (NumExtraThreads > 0) {
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for (size_t i = 0; i < NumExtraThreads; i++) {
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os::StartThread(g_extra_threads + i);
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}
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}
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/* Loop this thread. */
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LoopServerThread(nullptr);
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/* Wait for extra threads to finish. */
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if constexpr (NumExtraThreads > 0) {
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for (size_t i = 0; i < NumExtraThreads; i++) {
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os::WaitThread(g_extra_threads + i);
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}
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}
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}
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}
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void MitmModule::ThreadFunction(void *arg) {
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/* Wait until initialization is complete. */
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mitm::WaitInitialized();
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/* Initialize debug. */
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resolver::InitializeDebug();
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/* Create mitm servers. */
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R_ABORT_UNLESS((g_server_manager.RegisterMitmServer<ResolverImpl>(PortIndex_Mitm, DnsMitmServiceName)));
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/* Loop forever, servicing our services. */
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ProcessForServerOnAllThreads();
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}
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}
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