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Atmosphere/stratosphere/ams_mitm/source/fs_mitm/fsmitm_module.cpp

111 lines
4.1 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fsmitm_module.hpp"
#include "fs_mitm_service.hpp"
namespace ams::mitm::fs {
namespace {
enum PortIndex {
PortIndex_Mitm,
PortIndex_Count,
};
constexpr sm::ServiceName MitmServiceName = sm::ServiceName::Encode("fsp-srv");
struct ServerOptions {
static constexpr size_t PointerBufferSize = 0x800;
static constexpr size_t MaxDomains = 0x40;
static constexpr size_t MaxDomainObjects = 0x4000;
static constexpr bool CanDeferInvokeRequest = false;
static constexpr bool CanManageMitmServers = true;
};
constexpr size_t MaxSessions = 61;
class ServerManager final : public sf::hipc::ServerManager<PortIndex_Count, ServerOptions, MaxSessions> {
private:
virtual Result OnNeedsToAccept(int port_index, Server *server) override;
};
ServerManager g_server_manager;
Result ServerManager::OnNeedsToAccept(int port_index, Server *server) {
/* Acknowledge the mitm session. */
std::shared_ptr<::Service> fsrv;
sm::MitmProcessInfo client_info;
server->AcknowledgeMitmSession(std::addressof(fsrv), std::addressof(client_info));
switch (port_index) {
case PortIndex_Mitm:
return this->AcceptMitmImpl(server, sf::CreateSharedObjectEmplaced<IFsMitmInterface, FsMitmService>(decltype(fsrv)(fsrv), client_info), fsrv);
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
constexpr size_t TotalThreads = 5;
static_assert(TotalThreads >= 1, "TotalThreads");
constexpr size_t NumExtraThreads = TotalThreads - 1;
constexpr size_t ThreadStackSize = mitm::ModuleTraits<fs::MitmModule>::StackSize;
alignas(os::MemoryPageSize) u8 g_extra_thread_stacks[NumExtraThreads][ThreadStackSize];
os::ThreadType g_extra_threads[NumExtraThreads];
void LoopServerThread(void *) {
/* Loop forever, servicing our services. */
g_server_manager.LoopProcess();
}
void ProcessForServerOnAllThreads() {
/* Initialize threads. */
if constexpr (NumExtraThreads > 0) {
const s32 priority = os::GetThreadCurrentPriority(os::GetCurrentThread());
for (size_t i = 0; i < NumExtraThreads; i++) {
R_ABORT_UNLESS(os::CreateThread(g_extra_threads + i, LoopServerThread, nullptr, g_extra_thread_stacks[i], ThreadStackSize, priority));
}
}
/* Start extra threads. */
if constexpr (NumExtraThreads > 0) {
for (size_t i = 0; i < NumExtraThreads; i++) {
os::StartThread(g_extra_threads + i);
}
}
/* Loop this thread. */
LoopServerThread(nullptr);
/* Wait for extra threads to finish. */
if constexpr (NumExtraThreads > 0) {
for (size_t i = 0; i < NumExtraThreads; i++) {
os::WaitThread(g_extra_threads + i);
}
}
}
}
void MitmModule::ThreadFunction(void *) {
/* Create fs mitm. */
R_ABORT_UNLESS((g_server_manager.RegisterMitmServer<FsMitmService>(PortIndex_Mitm, MitmServiceName)));
/* Process for the server. */
ProcessForServerOnAllThreads();
}
}