public void ReceiveImpl()
{
byte[] bytes = new byte[1024];
Console.WriteLine($"created buffer");
int bytesRec = m_socket.Receive(bytes);
Console.WriteLine($"received");
int size = PrecheckAllSize(bytes);
if (size > 1024)
{
bytes = new byte[size];
Console.WriteLine($"reallocate buffer (data size: {size})");
}
Desc desc = FromByteDataRevenge(bytes);
// if (desc == null) { Console.WriteLine($"data is too long to receive"); return; }
Console.WriteLine($"to desc");
switch (desc.header.dataType)
{
case DataType.Int: Console.WriteLine($"Int: {BitConverter.ToInt32(desc.rawData)}"); break;
case DataType.Float: Console.WriteLine($"Float: {BitConverter.ToSingle(desc.rawData)}"); break;
case DataType.String: Console.WriteLine($"String: {Encoding.UTF8.GetString(desc.rawData)}"); break;
case DataType.Image: Console.WriteLine($"Image: can't open here"); break;
}
}
public static Desc FromByteData(byte[] data)
{
Desc desc = new Desc();
var size = Marshal.SizeOf(desc);
byte[] buffer = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(buffer, 0, ptr, size);
desc = (Desc)Marshal.PtrToStructure(ptr, typeof(Desc));
Marshal.FreeHGlobal(ptr);
return(desc);
}
public void SendWithHeader(DataType dataType, Ex.LogLevel level, string category, byte[] data)
{
Desc desc = new Desc {
header = new Header(dataType, data.Length),
// level = level,
// category = category,
rawData = data,
};
var rtn = m_socket.Send(ToByteRevenge(desc));
Console.WriteLine($"send with header: {rtn}");
}
public static byte[] ToByteRevenge(Desc desc)
{
byte[] type = BitConverter.GetBytes((int)desc.header.dataType);
// byte[] headerLength = BitConverter.GetBytes(desc.header.dataType);
byte[] dataLength = BitConverter.GetBytes(desc.header.rawDataSize);
byte[] data = desc.rawData;
Console.WriteLine($"[len vs sizeof] type:{type.Length} vs {sizeof(DataType)}");
Console.WriteLine($"[len vs sizeof] dataLen:{dataLength.Length} vs {sizeof(int)}");
Console.WriteLine($"[len vs sizeof] data:{data.Length}");
byte[] all = new byte[type.Length + dataLength.Length + data.Length];
Array.Copy(type, all, type.Length);
Array.Copy(dataLength, 0, all, type.Length, dataLength.Length);
Array.Copy(data, 0, all, type.Length + dataLength.Length, data.Length);
Console.WriteLine($"[all in] all:{all.Length}");
return(all);
}
public static byte[] ToByteData(Desc desc)
{
/*
* int size = Marshal.SizeOf(desc);
* byte[] bytes = new byte[size];
* IntPtr ptr = Marshal.AllocHGlobal(size);
* Marshal.StructureToPtr(desc, ptr, false);
* Marshal.Copy(ptr, bytes, 0, size);
* return bytes;
*/
int size = Marshal.SizeOf(desc);
byte[] bytes = new byte[size];
//アンマネージメモリからメモリを割り当て
IntPtr ptr = Marshal.AllocHGlobal(size);
//マネージオブジェクトからアンマネージメモリにデータをマーシャリング
Marshal.StructureToPtr(desc, ptr, false);
//アンマネージデータをマネージのbyte[]にコピーする
Marshal.Copy(ptr, bytes, 0, size);
Marshal.FreeHGlobal(ptr);
return(bytes);
}
public static string FromDescTemp(Desc desc)
{
return(System.Text.Encoding.UTF8.GetString(desc.rawData));
}