공유메모리 사용하기

회사에서 쓰려고 만든거

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO.MemoryMappedFiles; namespace SharedMemoryHelper { class SharedMemoryHelper : IDisposable { MemoryMappedFile m_hMemoryMapped = null; MemoryMappedViewAccessor m_hMemoryAccessor = null; long m_nCapacity; ~SharedMemoryHelper() { Dispose(); } public void CreateSharedMemory(string mapName, long capacity = 2048) { m_nCapacity = capacity; m_hMemoryMapped = MemoryMappedFile.CreateNew(mapName, capacity); m_hMemoryAccessor = m_hMemoryMapped.CreateViewAccessor(); } public void OpenSharedMemory(string mapName, long capacity = 2048) { m_nCapacity = capacity; m_hMemoryMapped = MemoryMappedFile.OpenExisting(mapName); m_hMemoryAccessor = m_hMemoryMapped.CreateViewAccessor(); } public byte[] ReadMemory() { byte[] bytes = new byte[m_nCapacity]; m_hMemoryAccessor.ReadArray<byte>(0, bytes, 0, bytes.Length); return bytes; } public void WriteMemory(byte[] bytes) { m_hMemoryAccessor.WriteArray<byte>(0, bytes, 0, bytes.Length); } public void Dispose() { if (m_hMemoryAccessor != null) { m_hMemoryAccessor.Dispose(); m_hMemoryAccessor = null; } if (m_hMemoryMapped != null) { m_hMemoryMapped.Dispose(); m_hMemoryMapped = null; } } } }