/// <summary>
/// 共有メモリにオブジェクトを書き込みます。
/// </summary>
/// <param name="obj">書き込むシリアライズ可能なオブジェクト</param>
/// <param name="addr">書き込み先共有メモリの 0 から始まるアドレス</param>
public void PutObject(object obj, int addr)
{
// 排他 - 最大1秒待つ
Mutex mutex = new Mutex(false, MUTEX_NAME + "_" + sharedName);
mutex.WaitOne(1000, false);
try
{
SharedObjectBag bag = new SharedObjectBag();
bag.Object = obj;
MemoryStream ms = new MemoryStream();
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(ms, bag);
byte[] buf = ms.ToArray();
byte[] siz = new byte[2];
int wsiz = buf.Length;
siz[0] = (byte)(wsiz / 0x100);
siz[1] = (byte)(wsiz & 0xff);
putBytes(siz, addr + SMEM_HEADER_LENGTH, 0, 2);
putBytes(buf, addr + SMEM_HEADER_LENGTH + 2, 0, wsiz);
UpdCountup();
}
catch (Exception es)
{
throw es;
}
finally
{
mutex.ReleaseMutex();
}
}
/// <summary>
/// 共有メモリからオブジェクトを読み込みます。
/// </summary>
/// <param name="addr">読み込み元共有メモリの 0 から始まるアドレス</param>
/// <returns>読み込むオブジェクト</returns>
public object GetObject(int addr)
{
byte[] siz = new byte[2];
getBytes(ref siz, addr + SMEM_HEADER_LENGTH, 0, 2);
int wsiz = siz[0] * 0x100 + siz[1];
byte[] buf = new byte[wsiz];
getBytes(ref buf, addr + SMEM_HEADER_LENGTH + 2, 0, wsiz);
MemoryStream ms = new MemoryStream(buf);
IFormatter formatter = new BinaryFormatter();
SharedObjectBag bag = (SharedObjectBag)formatter.Deserialize(ms);
lastUpdCount = GetUpdCount();
return(bag.Object);
}