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This commit is contained in:
niko
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using System;
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using BestHTTP.Decompression.Zlib;
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using BestHTTP.Extensions;
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using BestHTTP.WebSocket.Frames;
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using Cpp2IlInjected;
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namespace BestHTTP.WebSocket.Extensions
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{
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// Token: 0x020019B1 RID: 6577
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[Token(Token = "0x20019B1")]
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public sealed class PerMessageCompression : IExtension
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{
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// Token: 0x17001863 RID: 6243
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// (get) Token: 0x0600993C RID: 39228 RVA: 0x001F5018 File Offset: 0x001F3218
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// (set) Token: 0x0600993D RID: 39229 RVA: 0x001F502C File Offset: 0x001F322C
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[Token(Token = "0x17001863")]
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public bool ClientNoContextTakeover
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{
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[Token(Token = "0x600993C")]
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[Address(RVA = "0x4944B0", Offset = "0x4934B0", VA = "0x1804944B0")]
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get;
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[Token(Token = "0x600993D")]
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[Address(RVA = "0x62ADC0", Offset = "0x629DC0", VA = "0x18062ADC0")]
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private set;
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}
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// Token: 0x17001864 RID: 6244
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// (get) Token: 0x0600993E RID: 39230 RVA: 0x001F5040 File Offset: 0x001F3240
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// (set) Token: 0x0600993F RID: 39231 RVA: 0x001F5054 File Offset: 0x001F3254
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[Token(Token = "0x17001864")]
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public bool ServerNoContextTakeover
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{
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[Token(Token = "0x600993E")]
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[Address(RVA = "0x498E20", Offset = "0x497E20", VA = "0x180498E20")]
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get;
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[Token(Token = "0x600993F")]
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[Address(RVA = "0x62FA00", Offset = "0x62EA00", VA = "0x18062FA00")]
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private set;
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}
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// Token: 0x17001865 RID: 6245
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// (get) Token: 0x06009940 RID: 39232 RVA: 0x001F5068 File Offset: 0x001F3268
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// (set) Token: 0x06009941 RID: 39233 RVA: 0x001F507C File Offset: 0x001F327C
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[Token(Token = "0x17001865")]
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public int ClientMaxWindowBits
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{
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[Token(Token = "0x6009940")]
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[Address(RVA = "0x4936D0", Offset = "0x4926D0", VA = "0x1804936D0")]
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get;
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[Token(Token = "0x6009941")]
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[Address(RVA = "0x5F1920", Offset = "0x5F0920", VA = "0x1805F1920")]
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private set;
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}
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// Token: 0x17001866 RID: 6246
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// (get) Token: 0x06009942 RID: 39234 RVA: 0x001F5090 File Offset: 0x001F3290
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// (set) Token: 0x06009943 RID: 39235 RVA: 0x001F50A4 File Offset: 0x001F32A4
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[Token(Token = "0x17001866")]
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public int ServerMaxWindowBits
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{
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[Token(Token = "0x6009942")]
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[Address(RVA = "0x411540", Offset = "0x410540", VA = "0x180411540")]
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get;
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[Token(Token = "0x6009943")]
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[Address(RVA = "0x5F1910", Offset = "0x5F0910", VA = "0x1805F1910")]
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private set;
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}
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// Token: 0x17001867 RID: 6247
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// (get) Token: 0x06009944 RID: 39236 RVA: 0x001F50B8 File Offset: 0x001F32B8
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// (set) Token: 0x06009945 RID: 39237 RVA: 0x001F50CC File Offset: 0x001F32CC
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[Token(Token = "0x17001867")]
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public CompressionLevel Level
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{
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[Token(Token = "0x6009944")]
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[Address(RVA = "0x497590", Offset = "0x496590", VA = "0x180497590")]
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get;
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[Token(Token = "0x6009945")]
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[Address(RVA = "0x50A2B0", Offset = "0x5092B0", VA = "0x18050A2B0")]
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private set;
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}
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// Token: 0x17001868 RID: 6248
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// (get) Token: 0x06009946 RID: 39238 RVA: 0x001F50E0 File Offset: 0x001F32E0
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// (set) Token: 0x06009947 RID: 39239 RVA: 0x001F50F4 File Offset: 0x001F32F4
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[Token(Token = "0x17001868")]
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public int MinimumDataLegthToCompress
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{
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[Token(Token = "0x6009946")]
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[Address(RVA = "0x470B70", Offset = "0x46FB70", VA = "0x180470B70")]
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get;
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[Token(Token = "0x6009947")]
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[Address(RVA = "0x62ADB0", Offset = "0x629DB0", VA = "0x18062ADB0")]
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set;
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}
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// Token: 0x06009948 RID: 39240 RVA: 0x001F5108 File Offset: 0x001F3308
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[Token(Token = "0x6009948")]
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[Address(RVA = "0x62F9C0", Offset = "0x62E9C0", VA = "0x18062F9C0")]
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public PerMessageCompression()
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{
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this.Level = (CompressionLevel)((ulong)6L);
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this.ClientNoContextTakeover = false;
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this.ClientMaxWindowBits = (int)((ulong)15L);
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this.ServerMaxWindowBits = (int)((ulong)15L);
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this.MinimumDataLegthToCompress = (int)((ulong)256L);
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}
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// Token: 0x06009949 RID: 39241 RVA: 0x001F514C File Offset: 0x001F334C
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[Token(Token = "0x6009949")]
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[Address(RVA = "0x62F970", Offset = "0x62E970", VA = "0x18062F970")]
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public PerMessageCompression(CompressionLevel level, bool clientNoContextTakeover, bool serverNoContextTakeover, int desiredClientMaxWindowBits, int desiredServerMaxWindowBits, int minDatalengthToCompress)
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{
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this.ClientMaxWindowBits = 0;
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this.ServerMaxWindowBits = 0;
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this.Level = level;
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this.MinimumDataLegthToCompress = 0;
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this.ClientNoContextTakeover = clientNoContextTakeover;
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}
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// Token: 0x0600994A RID: 39242 RVA: 0x001F5184 File Offset: 0x001F3384
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[Token(Token = "0x600994A")]
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[Address(RVA = "0x62EE20", Offset = "0x62DE20", VA = "0x18062EE20", Slot = "4")]
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public void AddNegotiation(HTTPRequest request)
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{
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if (this.<ServerNoContextTakeover>k__BackingField)
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{
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string text = "permessage-deflate" + "; server_no_context_takeover";
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}
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string text2;
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if (this.<ClientNoContextTakeover>k__BackingField)
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{
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text2 = "permessage-deflate" + "; client_no_context_takeover";
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}
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int num = this.<ServerMaxWindowBits>k__BackingField;
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if (num == 15)
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{
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this.<ServerMaxWindowBits>k__BackingField = num;
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}
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string text4;
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string text3 = text2 + "; server_max_window_bits=" + text4;
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if (this.<ClientMaxWindowBits>k__BackingField == 15)
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{
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string text5 = text3 + "; client_max_window_bits";
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this.<ClientMaxWindowBits>k__BackingField = (int)((ulong)15L);
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}
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string text7;
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string text6 = text3 + "; client_max_window_bits=" + text7;
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request.AddHeader("Sec-WebSocket-Extensions", text6);
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}
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// Token: 0x0600994B RID: 39243 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x600994B")]
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[Address(RVA = "0x62F5E0", Offset = "0x62E5E0", VA = "0x18062F5E0", Slot = "5")]
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public bool ParseNegotiation(WebSocketResponse resp)
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{
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throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
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}
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// Token: 0x0600994C RID: 39244 RVA: 0x001F522C File Offset: 0x001F342C
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[Token(Token = "0x600994C")]
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[Address(RVA = "0x62F5A0", Offset = "0x62E5A0", VA = "0x18062F5A0", Slot = "6")]
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public byte GetFrameHeader(WebSocketFrame writer, byte inFlag)
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{
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WebSocketFrameTypes <Type>k__BackingField = writer.<Type>k__BackingField;
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if (writer.<Data>k__BackingField != 0)
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{
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int num = this.<MinimumDataLegthToCompress>k__BackingField;
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}
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return inFlag;
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}
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// Token: 0x0600994D RID: 39245 RVA: 0x001F5258 File Offset: 0x001F3458
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[Token(Token = "0x600994D")]
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[Address(RVA = "0x62F4F0", Offset = "0x62E4F0", VA = "0x18062F4F0", Slot = "7")]
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public byte[] Encode(WebSocketFrame writer)
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{
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byte[] <Data>k__BackingField = writer.<Data>k__BackingField;
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if (<Data>k__BackingField != 0)
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{
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return <Data>k__BackingField;
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}
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return VariableSizedBufferPool.NoData;
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}
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// Token: 0x0600994E RID: 39246 RVA: 0x001F5290 File Offset: 0x001F3490
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[Token(Token = "0x600994E")]
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[Address(RVA = "0x62F1C0", Offset = "0x62E1C0", VA = "0x18062F1C0", Slot = "8")]
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public byte[] Decode(byte header, byte[] data, int length)
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{
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return this.Decompress(data, length);
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}
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// Token: 0x0600994F RID: 39247 RVA: 0x001F52A8 File Offset: 0x001F34A8
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[Token(Token = "0x600994F")]
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[Address(RVA = "0x62EF50", Offset = "0x62DF50", VA = "0x18062EF50")]
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private byte[] Compress(byte[] data, int length)
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{
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int num;
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byte[] array;
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do
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{
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num = 0;
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if (this.compressorOutputStream == 0)
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{
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BufferPoolMemoryStream bufferPoolMemoryStream = new BufferPoolMemoryStream();
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this.compressorOutputStream = bufferPoolMemoryStream;
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}
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if (this.compressorDeflateStream == num)
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{
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CompressionLevel compressionLevel = this.<Level>k__BackingField;
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int num2 = this.<ClientMaxWindowBits>k__BackingField;
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DeflateStream deflateStream;
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this.compressorDeflateStream = deflateStream;
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FlushType flushMode = deflateStream.FlushMode;
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}
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int num3 = this.compressorDeflateStream.ReadByte();
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DeflateStream deflateStream2 = this.compressorDeflateStream;
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long position = this.compressorOutputStream.Position;
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bool canWrite = this.compressorOutputStream.CanWrite;
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array = this.compressorOutputStream.ToArray();
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if (this.<ClientNoContextTakeover>k__BackingField)
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{
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this.compressorDeflateStream.Dispose();
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this.compressorDeflateStream = (ulong)0L;
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}
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}
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while (num != 0);
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return array;
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}
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// Token: 0x06009950 RID: 39248 RVA: 0x001F5388 File Offset: 0x001F3588
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[Token(Token = "0x6009950")]
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[Address(RVA = "0x62F1E0", Offset = "0x62E1E0", VA = "0x18062F1E0")]
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private byte[] Decompress(byte[] data, int length)
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{
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BufferPoolMemoryStream bufferPoolMemoryStream = this.decompressorInputStream;
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if (bufferPoolMemoryStream == 0)
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{
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int num;
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BufferPoolMemoryStream bufferPoolMemoryStream2 = new BufferPoolMemoryStream(num);
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num = data.Length;
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num += 4;
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this.decompressorInputStream = bufferPoolMemoryStream2;
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}
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int num2 = bufferPoolMemoryStream.ReadByte();
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BufferPoolMemoryStream bufferPoolMemoryStream3 = this.decompressorInputStream;
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byte[] trailer = PerMessageCompression.Trailer;
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int num3 = bufferPoolMemoryStream3.ReadByte();
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long position = this.decompressorInputStream.Position;
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int num4 = 0;
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if (this.decompressorDeflateStream == num4)
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{
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BufferPoolMemoryStream bufferPoolMemoryStream4 = this.decompressorInputStream;
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int num5 = this.<ServerMaxWindowBits>k__BackingField;
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ulong num6;
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DeflateStream deflateStream = new DeflateStream(bufferPoolMemoryStream4, CompressionMode.Decompress, CompressionLevel.Default, num6 != 0UL, num5);
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this.decompressorDeflateStream = deflateStream;
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FlushType flushMode = deflateStream.FlushMode;
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}
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if (this.decompressorOutputStream == 0)
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{
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BufferPoolMemoryStream bufferPoolMemoryStream5 = new BufferPoolMemoryStream();
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this.decompressorOutputStream = bufferPoolMemoryStream5;
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}
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uint num7;
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ulong num8;
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byte[] array = VariableSizedBufferPool.Get((long)num7, num8 != 0UL);
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DeflateStream deflateStream2 = this.decompressorDeflateStream;
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int num9 = this.decompressorOutputStream.ReadByte();
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VariableSizedBufferPool.Release(array);
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DeflateStream deflateStream3 = this.decompressorDeflateStream;
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byte[] array2 = this.decompressorOutputStream.ToArray();
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if ((this.<ServerNoContextTakeover>k__BackingField ? 1 : 0) != num4)
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{
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this.decompressorDeflateStream.Dispose();
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this.decompressorDeflateStream = num4;
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}
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return array2;
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}
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// Token: 0x06009951 RID: 39249 RVA: 0x001F549C File Offset: 0x001F369C
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x6009951")]
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[Address(RVA = "0x62F8E0", Offset = "0x62E8E0", VA = "0x18062F8E0")]
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static PerMessageCompression()
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{
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byte[] array = new byte[4];
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array[0] = (byte)((ulong)255L);
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array[0] = (byte)((ulong)255L);
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PerMessageCompression.Trailer = array;
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}
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// Token: 0x040067A5 RID: 26533
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[Token(Token = "0x40067A5")]
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public const int MinDataLengthToCompressDefault = 256;
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// Token: 0x040067A6 RID: 26534
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[Token(Token = "0x40067A6")]
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private static readonly byte[] Trailer;
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// Token: 0x040067AD RID: 26541
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40067AD")]
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private BufferPoolMemoryStream compressorOutputStream;
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// Token: 0x040067AE RID: 26542
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40067AE")]
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private DeflateStream compressorDeflateStream;
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// Token: 0x040067AF RID: 26543
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40067AF")]
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private BufferPoolMemoryStream decompressorInputStream;
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// Token: 0x040067B0 RID: 26544
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40067B0")]
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private BufferPoolMemoryStream decompressorOutputStream;
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// Token: 0x040067B1 RID: 26545
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x40067B1")]
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private DeflateStream decompressorDeflateStream;
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}
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}
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