mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
Send hello packet.
This commit is contained in:
@@ -46,7 +46,10 @@ namespace DiscImageChef.Helpers
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/// <typeparam name="T">The type whose size is to be returned.</typeparam>
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/// <returns>The size, in bytes, of the type that is specified by the <see cref="T" /> generic type parameter.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int SizeOf<T>() => System.Runtime.InteropServices.Marshal.SizeOf<T>();
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public static int SizeOf<T>()
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{
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return System.Runtime.InteropServices.Marshal.SizeOf<T>();
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}
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/// <summary>
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/// Marshal little-endian binary data to a structure
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@@ -57,9 +60,9 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T ByteArrayToStructureLittleEndian<T>(byte[] bytes) where T : struct
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{
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GCHandle ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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T str =
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(T)System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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var ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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var str =
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(T) System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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ptr.Free();
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return str;
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}
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@@ -88,11 +91,11 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T ByteArrayToStructureBigEndian<T>(byte[] bytes) where T : struct
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{
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GCHandle ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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var ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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object str =
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(T)System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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(T) System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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ptr.Free();
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return (T)SwapStructureMembersEndian(str);
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return (T) SwapStructureMembersEndian(str);
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}
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/// <summary>
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@@ -120,11 +123,11 @@ namespace DiscImageChef.Helpers
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public static T ByteArrayToStructurePdpEndian<T>(byte[] bytes) where T : struct
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{
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{
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GCHandle ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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var ptr = GCHandle.Alloc(bytes, GCHandleType.Pinned);
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object str =
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(T)System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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(T) System.Runtime.InteropServices.Marshal.PtrToStructure(ptr.AddrOfPinnedObject(), typeof(T));
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ptr.Free();
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return (T)SwapStructureMembersEndianPdp(str);
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return (T) SwapStructureMembersEndianPdp(str);
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}
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}
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@@ -151,8 +154,10 @@ namespace DiscImageChef.Helpers
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/// <typeparam name="T">Type of the structure to marshal</typeparam>
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/// <returns>The binary data marshalled in a structure with the specified type</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T SpanToStructureLittleEndian<T>(ReadOnlySpan<byte> bytes) where T : struct =>
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MemoryMarshal.Read<T>(bytes);
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public static T SpanToStructureLittleEndian<T>(ReadOnlySpan<byte> bytes) where T : struct
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{
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return MemoryMarshal.Read<T>(bytes);
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}
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/// <summary>
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/// Marshal little-endian binary data to a structure. If the structure type contains any non value type, this method
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@@ -165,8 +170,10 @@ namespace DiscImageChef.Helpers
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/// <returns>The binary data marshalled in a structure with the specified type</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T SpanToStructureLittleEndian<T>(ReadOnlySpan<byte> bytes, int start, int length)
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where T : struct =>
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MemoryMarshal.Read<T>(bytes.Slice(start, length));
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where T : struct
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{
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return MemoryMarshal.Read<T>(bytes.Slice(start, length));
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}
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/// <summary>
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/// Marshal big-endian binary data to a structure. If the structure type contains any non value type, this method will
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@@ -178,8 +185,8 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T SpanToStructureBigEndian<T>(ReadOnlySpan<byte> bytes) where T : struct
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{
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T str = SpanToStructureLittleEndian<T>(bytes);
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return (T)SwapStructureMembersEndian(str);
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var str = SpanToStructureLittleEndian<T>(bytes);
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return (T) SwapStructureMembersEndian(str);
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}
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/// <summary>
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@@ -194,8 +201,8 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T SpanToStructureBigEndian<T>(ReadOnlySpan<byte> bytes, int start, int length) where T : struct
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{
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T str = SpanToStructureLittleEndian<T>(bytes.Slice(start, length));
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return (T)SwapStructureMembersEndian(str);
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var str = SpanToStructureLittleEndian<T>(bytes.Slice(start, length));
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return (T) SwapStructureMembersEndian(str);
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}
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/// <summary>
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@@ -209,7 +216,7 @@ namespace DiscImageChef.Helpers
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public static T SpanToStructurePdpEndian<T>(ReadOnlySpan<byte> bytes) where T : struct
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{
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object str = SpanToStructureLittleEndian<T>(bytes);
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return (T)SwapStructureMembersEndianPdp(str);
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return (T) SwapStructureMembersEndianPdp(str);
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}
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/// <summary>
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@@ -223,7 +230,7 @@ namespace DiscImageChef.Helpers
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public static T SpanToStructurePdpEndian<T>(ReadOnlySpan<byte> bytes, int start, int length) where T : struct
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{
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object str = SpanToStructureLittleEndian<T>(bytes.Slice(start, length));
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return (T)SwapStructureMembersEndianPdp(str);
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return (T) SwapStructureMembersEndianPdp(str);
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}
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/// <summary>
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@@ -240,28 +247,28 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static T MarshalStructure<T>(byte[] bytes) where T : struct
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{
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if(!(typeof(T).GetCustomAttribute(typeof(MarshallingPropertiesAttribute)) is MarshallingPropertiesAttribute
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properties)) return ByteArrayToStructureLittleEndian<T>(bytes);
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if (!(typeof(T).GetCustomAttribute(typeof(MarshallingPropertiesAttribute)) is MarshallingPropertiesAttribute
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properties)) return ByteArrayToStructureLittleEndian<T>(bytes);
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switch(properties.Endian)
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switch (properties.Endian)
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{
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case BitEndian.Little:
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return properties.HasReferences
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? ByteArrayToStructureLittleEndian<T>(bytes)
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: SpanToStructureLittleEndian<T>(bytes);
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? ByteArrayToStructureLittleEndian<T>(bytes)
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: SpanToStructureLittleEndian<T>(bytes);
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break;
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case BitEndian.Big:
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return properties.HasReferences
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? ByteArrayToStructureBigEndian<T>(bytes)
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: SpanToStructureBigEndian<T>(bytes);
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? ByteArrayToStructureBigEndian<T>(bytes)
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: SpanToStructureBigEndian<T>(bytes);
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break;
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case BitEndian.Pdp:
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return properties.HasReferences
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? ByteArrayToStructurePdpEndian<T>(bytes)
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: SpanToStructurePdpEndian<T>(bytes);
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? ByteArrayToStructurePdpEndian<T>(bytes)
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: SpanToStructurePdpEndian<T>(bytes);
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default: throw new ArgumentOutOfRangeException();
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}
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}
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@@ -274,76 +281,77 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static object SwapStructureMembersEndian(object str)
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{
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Type t = str.GetType();
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FieldInfo[] fieldInfo = t.GetFields();
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foreach(FieldInfo fi in fieldInfo)
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if(fi.FieldType == typeof(short))
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var t = str.GetType();
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var fieldInfo = t.GetFields();
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foreach (var fi in fieldInfo)
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if (fi.FieldType == typeof(short))
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{
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short x = (short)fi.GetValue(str);
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fi.SetValue(str, (short)((x << 8) | ((x >> 8) & 0xFF)));
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var x = (short) fi.GetValue(str);
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fi.SetValue(str, (short) ((x << 8) | ((x >> 8) & 0xFF)));
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}
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else if(fi.FieldType == typeof(int))
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else if (fi.FieldType == typeof(int))
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{
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int x = (int)fi.GetValue(str);
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x = (int)(((x << 8) & 0xFF00FF00) | (((uint)x >> 8) & 0xFF00FF));
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fi.SetValue(str, (int)(((uint)x << 16) | (((uint)x >> 16) & 0xFFFF)));
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var x = (int) fi.GetValue(str);
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x = (int) (((x << 8) & 0xFF00FF00) | (((uint) x >> 8) & 0xFF00FF));
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fi.SetValue(str, (int) (((uint) x << 16) | (((uint) x >> 16) & 0xFFFF)));
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}
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else if(fi.FieldType == typeof(long))
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else if (fi.FieldType == typeof(long))
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{
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long x = (long)fi.GetValue(str);
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x = ((x & 0x00000000FFFFFFFF) << 32) | (long)(((ulong)x & 0xFFFFFFFF00000000) >> 32);
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x = ((x & 0x0000FFFF0000FFFF) << 16) | (long)(((ulong)x & 0xFFFF0000FFFF0000) >> 16);
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x = ((x & 0x00FF00FF00FF00FF) << 8) | (long)(((ulong)x & 0xFF00FF00FF00FF00) >> 8);
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var x = (long) fi.GetValue(str);
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x = ((x & 0x00000000FFFFFFFF) << 32) | (long) (((ulong) x & 0xFFFFFFFF00000000) >> 32);
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x = ((x & 0x0000FFFF0000FFFF) << 16) | (long) (((ulong) x & 0xFFFF0000FFFF0000) >> 16);
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x = ((x & 0x00FF00FF00FF00FF) << 8) | (long) (((ulong) x & 0xFF00FF00FF00FF00) >> 8);
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fi.SetValue(str, x);
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}
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else if(fi.FieldType == typeof(ushort))
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else if (fi.FieldType == typeof(ushort))
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{
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ushort x = (ushort)fi.GetValue(str);
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fi.SetValue(str, (ushort)((x << 8) | (x >> 8)));
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var x = (ushort) fi.GetValue(str);
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fi.SetValue(str, (ushort) ((x << 8) | (x >> 8)));
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}
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else if(fi.FieldType == typeof(uint))
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else if (fi.FieldType == typeof(uint))
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{
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uint x = (uint)fi.GetValue(str);
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x = ((x << 8) & 0xFF00FF00) | ((x >> 8) & 0xFF00FF);
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fi.SetValue(str, (x << 16) | (x >> 16));
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var x = (uint) fi.GetValue(str);
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x = ((x << 8) & 0xFF00FF00) | ((x >> 8) & 0xFF00FF);
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fi.SetValue(str, (x << 16) | (x >> 16));
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}
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else if(fi.FieldType == typeof(ulong))
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else if (fi.FieldType == typeof(ulong))
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{
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ulong x = (ulong)fi.GetValue(str);
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var x = (ulong) fi.GetValue(str);
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x = ((x & 0x00000000FFFFFFFF) << 32) | ((x & 0xFFFFFFFF00000000) >> 32);
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x = ((x & 0x0000FFFF0000FFFF) << 16) | ((x & 0xFFFF0000FFFF0000) >> 16);
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x = ((x & 0x00FF00FF00FF00FF) << 8) | ((x & 0xFF00FF00FF00FF00) >> 8);
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x = ((x & 0x00FF00FF00FF00FF) << 8) | ((x & 0xFF00FF00FF00FF00) >> 8);
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fi.SetValue(str, x);
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}
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else if(fi.FieldType == typeof(float))
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else if (fi.FieldType == typeof(float))
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{
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float flt = (float)fi.GetValue(str);
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byte[] flt_b = BitConverter.GetBytes(flt);
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var flt = (float) fi.GetValue(str);
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var flt_b = BitConverter.GetBytes(flt);
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fi.SetValue(str, BitConverter.ToSingle(new[] {flt_b[3], flt_b[2], flt_b[1], flt_b[0]}, 0));
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}
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else if(fi.FieldType == typeof(double))
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else if (fi.FieldType == typeof(double))
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{
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double dbl = (double)fi.GetValue(str);
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byte[] dbl_b = BitConverter.GetBytes(dbl);
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var dbl = (double) fi.GetValue(str);
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var dbl_b = BitConverter.GetBytes(dbl);
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fi.SetValue(str,
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BitConverter
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.ToDouble(new[] {dbl_b[7], dbl_b[6], dbl_b[5], dbl_b[4], dbl_b[3], dbl_b[2], dbl_b[1], dbl_b[0]},
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0));
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BitConverter
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.ToDouble(
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new[] {dbl_b[7], dbl_b[6], dbl_b[5], dbl_b[4], dbl_b[3], dbl_b[2], dbl_b[1], dbl_b[0]},
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0));
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}
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else if(fi.FieldType == typeof(byte) || fi.FieldType == typeof(sbyte))
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else if (fi.FieldType == typeof(byte) || fi.FieldType == typeof(sbyte))
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{
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// Do nothing, can't byteswap them!
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}
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else if(fi.FieldType == typeof(Guid))
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else if (fi.FieldType == typeof(Guid))
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{
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// TODO: Swap GUID
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}
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// TODO: Swap arrays and enums
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else if(fi.FieldType.IsValueType && !fi.FieldType.IsEnum && !fi.FieldType.IsArray)
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else if (fi.FieldType.IsValueType && !fi.FieldType.IsEnum && !fi.FieldType.IsArray)
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{
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object obj = fi.GetValue(str);
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object strc = SwapStructureMembersEndian(obj);
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var obj = fi.GetValue(str);
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var strc = SwapStructureMembersEndian(obj);
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fi.SetValue(str, strc);
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}
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@@ -353,34 +361,50 @@ namespace DiscImageChef.Helpers
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static object SwapStructureMembersEndianPdp(object str)
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{
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Type t = str.GetType();
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FieldInfo[] fieldInfo = t.GetFields();
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foreach(FieldInfo fi in fieldInfo)
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if(fi.FieldType == typeof(short) || fi.FieldType == typeof(long) || fi.FieldType == typeof(ushort) ||
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fi.FieldType == typeof(ulong) || fi.FieldType == typeof(float) || fi.FieldType == typeof(double) ||
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fi.FieldType == typeof(byte) || fi.FieldType == typeof(sbyte) || fi.FieldType == typeof(Guid))
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var t = str.GetType();
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var fieldInfo = t.GetFields();
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foreach (var fi in fieldInfo)
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if (fi.FieldType == typeof(short) || fi.FieldType == typeof(long) || fi.FieldType == typeof(ushort) ||
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fi.FieldType == typeof(ulong) || fi.FieldType == typeof(float) || fi.FieldType == typeof(double) ||
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fi.FieldType == typeof(byte) || fi.FieldType == typeof(sbyte) || fi.FieldType == typeof(Guid))
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{
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// Do nothing
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}
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else if(fi.FieldType == typeof(int))
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else if (fi.FieldType == typeof(int))
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{
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int x = (int)fi.GetValue(str);
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var x = (int) fi.GetValue(str);
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fi.SetValue(str, ((x & 0xffff) << 16) | ((x & 0xffff0000) >> 16));
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}
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else if(fi.FieldType == typeof(uint))
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else if (fi.FieldType == typeof(uint))
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{
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uint x = (uint)fi.GetValue(str);
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var x = (uint) fi.GetValue(str);
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fi.SetValue(str, ((x & 0xffff) << 16) | ((x & 0xffff0000) >> 16));
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}
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// TODO: Swap arrays and enums
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else if(fi.FieldType.IsValueType && !fi.FieldType.IsEnum && !fi.FieldType.IsArray)
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else if (fi.FieldType.IsValueType && !fi.FieldType.IsEnum && !fi.FieldType.IsArray)
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{
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object obj = fi.GetValue(str);
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object strc = SwapStructureMembersEndianPdp(obj);
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var obj = fi.GetValue(str);
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var strc = SwapStructureMembersEndianPdp(obj);
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fi.SetValue(str, strc);
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}
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return str;
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}
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/// <summary>
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/// Marshal a structure to little-endian binary data
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/// </summary>
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/// <param name="bytes">Byte array containing the binary data</param>
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/// <typeparam name="T">Type of the structure to marshal</typeparam>
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/// <returns>The binary data marshalled in a structure with the specified type</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static byte[] StructureToByteArrayLittleEndian<T>(T str) where T : struct
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{
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var buf = new byte[SizeOf<T>()];
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var ptr = GCHandle.Alloc(buf, GCHandleType.Pinned);
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System.Runtime.InteropServices.Marshal.StructureToPtr(str, ptr.AddrOfPinnedObject(), false);
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ptr.Free();
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return buf;
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}
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}
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}
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Reference in New Issue
Block a user