Files
IACore/Tests/Unit/IPC.cpp
2026-01-25 22:55:24 +05:30

130 lines
4.0 KiB
C++

// IACore-OSS; The Core Library for All IA Open Source Projects
// Copyright (C) 2026 IAS (ias@iasoft.dev)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <IACore/FileOps.hpp>
#include <IACore/IATest.hpp>
#include <IACore/IPC.hpp>
using namespace IACore;
IAT_BEGIN_BLOCK(Core, IPC)
auto test_layout_constraints() -> bool {
IAT_CHECK_EQ(alignof(IpcSharedMemoryLayout), static_cast<usize>(64));
IAT_CHECK_EQ(offsetof(IpcSharedMemoryLayout, meta), static_cast<usize>(0));
IAT_CHECK_EQ(offsetof(IpcSharedMemoryLayout, moni_control),
static_cast<usize>(64));
IAT_CHECK_EQ(offsetof(IpcSharedMemoryLayout, mino_control),
static_cast<usize>(192));
IAT_CHECK_EQ(offsetof(IpcSharedMemoryLayout, moni_data_offset),
static_cast<usize>(320));
IAT_CHECK_EQ(sizeof(IpcSharedMemoryLayout) % 64, static_cast<usize>(0));
return true;
}
auto test_manual_shm_ringbuffer() -> bool {
const String shm_name = "IA_TEST_IPC_LAYOUT_CHECK";
const usize shm_size = 16 * 1024;
FileOps::unlink_shared_memory(shm_name);
auto map_res = FileOps::map_shared_memory(shm_name, shm_size, true);
IAT_CHECK(map_res.has_value());
u8 *base_ptr = *map_res;
auto *layout = reinterpret_cast<IpcSharedMemoryLayout *>(base_ptr);
layout->meta.magic = 0xDEADBEEF;
layout->meta.version = 1;
layout->meta.total_size = shm_size;
const usize header_size = IpcSharedMemoryLayout::get_header_size();
const usize data_available = shm_size - header_size;
const usize half_data = data_available / 2;
layout->moni_data_offset = header_size;
layout->moni_data_size = half_data;
layout->mino_data_offset = header_size + half_data;
layout->mino_data_size = half_data;
Span<u8> moni_data_span(base_ptr + layout->moni_data_offset,
static_cast<usize>(layout->moni_data_size));
auto moni_res =
RingBufferView::create(&layout->moni_control, moni_data_span, true);
IAT_CHECK(moni_res.has_value());
auto moni = std::move(*moni_res);
Span<u8> mino_data_span(base_ptr + layout->mino_data_offset,
static_cast<usize>(layout->mino_data_size));
auto mino_res =
RingBufferView::create(&layout->mino_control, mino_data_span, true);
IAT_CHECK(mino_res.has_value());
auto _ = std::move(*mino_res);
String msg = "IPC_TEST_MESSAGE";
IAT_CHECK(
moni.push(100, Span<const u8>(reinterpret_cast<const u8 *>(msg.data()),
msg.size()))
.has_value());
auto moni_reader_res =
RingBufferView::create(&layout->moni_control, moni_data_span, false);
IAT_CHECK(moni_reader_res.has_value());
auto moni_reader = std::move(*moni_reader_res);
RingBufferView::PacketHeader header;
u8 buffer[128];
auto pop_res = moni_reader.pop(header, Span<u8>(buffer, 128));
IAT_CHECK(pop_res.has_value());
IAT_CHECK(pop_res->has_value());
IAT_CHECK_EQ(header.id, static_cast<u16>(100));
String received((char *)buffer, *pop_res.value());
IAT_CHECK_EQ(received, msg);
FileOps::unmap_file(base_ptr);
FileOps::unlink_shared_memory(shm_name);
return true;
}
class TestManager : public IpcManager {
public:
void on_signal(NativeProcessID, u8) override {}
void on_packet(NativeProcessID, u16, Span<const u8>) override {}
};
auto test_manager_instantiation() -> bool {
TestManager mgr;
return true;
}
IAT_BEGIN_TEST_LIST()
IAT_ADD_TEST(test_layout_constraints);
IAT_ADD_TEST(test_manual_shm_ringbuffer);
IAT_ADD_TEST(test_manager_instantiation);
IAT_END_TEST_LIST()
IAT_END_BLOCK()
IAT_REGISTER_ENTRY(Core, IPC)