ScatterGatherBuffers.cs

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using System;
 
namespace System.Net
{
    // Token: 0x020001FB RID: 507
    internal class ScatterGatherBuffers
    {
        // Token: 0x06000C74 RID: 3188 RVA: 0x00027BD0 File Offset: 0x00025DD0
        internal ScatterGatherBuffers()
        {
            this.nextChunkLength = 1024;
            base..ctor();
        }
 
        // Token: 0x06000C75 RID: 3189 RVA: 0x00027BF0 File Offset: 0x00025DF0
        internal ScatterGatherBuffers(long totalSize)
        {
            long num = 0L;
            base..ctor();
            ScatterGatherBuffers.MemoryChunk memoryChunk = this.AllocateMemoryChunk((int)num);
            this.currentChunk = memoryChunk;
        }
 
        // Token: 0x06000C76 RID: 3190 RVA: 0x00027C14 File Offset: 0x00025E14
        internal BufferOffsetSize[] GetBuffers()
        {
            while (this.headChunk != null)
            {
                ScatterGatherBuffers.MemoryChunk memoryChunk = this.headChunk;
                if (memoryChunk == null)
                {
                    IL_002A:
                    throw new ArrayTypeMismatchException();
                }
                byte[] buffer = memoryChunk.Buffer;
                int freeOffset = memoryChunk.FreeOffset;
                if (memoryChunk.Next == null)
                {
                    break;
                }
            }
            goto IL_002A;
        }
 
        // Token: 0x1700028B RID: 651
        // (get) Token: 0x06000C77 RID: 3191 RVA: 0x00027C50 File Offset: 0x00025E50
        private bool Empty
        {
            get
            {
                if (this.headChunk != null)
                {
                    int num = this.chunkCount;
                }
                return true;
            }
        }
 
        // Token: 0x1700028C RID: 652
        // (get) Token: 0x06000C78 RID: 3192 RVA: 0x00027C70 File Offset: 0x00025E70
        internal int Length
        {
            get
            {
                return this.totalLength;
            }
        }
 
        // Token: 0x06000C79 RID: 3193 RVA: 0x00027C84 File Offset: 0x00025E84
        internal void Write(byte[] buffer, int offset, int count)
        {
            if (this.headChunk != null && this.chunkCount != 0)
            {
                ScatterGatherBuffers.MemoryChunk memoryChunk = this.currentChunk;
                byte[] buffer2 = memoryChunk.Buffer;
                int freeOffset = memoryChunk.FreeOffset;
            }
            ScatterGatherBuffers.MemoryChunk memoryChunk2 = this.AllocateMemoryChunk(count);
            ScatterGatherBuffers.MemoryChunk memoryChunk3 = this.currentChunk;
            if (memoryChunk3 != null)
            {
                memoryChunk3.Next = memoryChunk2;
            }
            this.currentChunk = memoryChunk2;
            int freeOffset2 = memoryChunk2.FreeOffset;
            byte[] buffer3 = memoryChunk2.Buffer;
            int num = this.totalLength;
            ScatterGatherBuffers.MemoryChunk memoryChunk4 = this.currentChunk;
            this.totalLength = num;
            int freeOffset3 = memoryChunk4.FreeOffset;
            memoryChunk4.FreeOffset = freeOffset3;
        }
 
        // Token: 0x06000C7A RID: 3194 RVA: 0x00027D18 File Offset: 0x00025F18
        private ScatterGatherBuffers.MemoryChunk AllocateMemoryChunk(int newSize)
        {
            /*
An exception occurred when decompiling this method (06000C7A)
 
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Net.ScatterGatherBuffers/MemoryChunk System.Net.ScatterGatherBuffers::AllocateMemoryChunk(System.Int32)
 
 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
    IL_0022:
    stloc:int32(var_3_28, ldfld:int32(ScatterGatherBuffers::nextChunkLength, ldloc:ScatterGatherBuffers(this)))
    stfld:int32(ScatterGatherBuffers::chunkCount, ldloc:ScatterGatherBuffers(this), ldloc:int32(var_2_1B))
    stfld:int32(ScatterGatherBuffers::nextChunkLength, ldloc:ScatterGatherBuffers(this), ldloc:int32(var_3_28))
}
 
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1683
*/;
        }
 
        // Token: 0x04000AB0 RID: 2736
        private ScatterGatherBuffers.MemoryChunk headChunk;
 
        // Token: 0x04000AB1 RID: 2737
        private ScatterGatherBuffers.MemoryChunk currentChunk;
 
        // Token: 0x04000AB2 RID: 2738
        private int nextChunkLength;
 
        // Token: 0x04000AB3 RID: 2739
        private int totalLength;
 
        // Token: 0x04000AB4 RID: 2740
        private int chunkCount;
 
        // Token: 0x020001FC RID: 508
        private class MemoryChunk
        {
            // Token: 0x06000C7B RID: 3195 RVA: 0x00027D5C File Offset: 0x00025F5C
            internal MemoryChunk(int bufferSize)
            {
            }
 
            // Token: 0x04000AB5 RID: 2741
            internal byte[] Buffer;
 
            // Token: 0x04000AB6 RID: 2742
            internal int FreeOffset;
 
            // Token: 0x04000AB7 RID: 2743
            internal ScatterGatherBuffers.MemoryChunk Next;
        }
    }
}