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‎.gitattributes

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###############################################################################
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# Set default behavior to automatically normalize line endings.
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* text=auto
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# Set default behavior for command prompt diff.
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#
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# This is need for earlier builds of msysgit that does not have it on by
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# default for csharp files.
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# Note: This is only used by command line
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###############################################################################
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#*.cs diff=csharp
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###############################################################################
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# Set the merge driver for project and solution files
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#
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# Merging from the command prompt will add diff markers to the files if there
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# are conflicts (Merging from VS is not affected by the settings below, in VS
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# the diff markers are never inserted). Diff markers may cause the following
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# file extensions to fail to load in VS. An alternative would be to treat
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# these files as binary and thus will always conflict and require user
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# intervention with every merge. To do so, just uncomment the entries below
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###############################################################################
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#*.sln merge=binary
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# behavior for image files
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# diff behavior for common document formats
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# entries below.
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#*.rtf diff=astextplain
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#*.RTF diff=astextplain

‎.gitignore

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.vs
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artifacts
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bin
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obj
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*.user
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TestFiles/
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*.suo
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Tools/PEVerify.*
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packages/
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project.lock.json
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Tests.Dnx/*.dll
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Tests.Dnx/*.bin
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Tests.Dnx/*.dat
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Tests.Dnx/*.dump
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Tests.Dnx/Data.protobuf
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Tests.Dnx/big.file
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Tests.Dnx/sandbox.txt
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Tests.Dnx/protoTest.txt
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Tests.Dnx/TraceCompile.txt
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*.NoCommit.*
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*.pubxml
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del.me
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_ReSharper.Caches/
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BenchmarkDotNet.Artifacts/
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filedata.bin
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*.binlog
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src/VBTest/*
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src/Benchmark/DalSerializer.dll

‎Directory.build.props

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<Project>
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<PropertyGroup>
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<RootNamespace>ProtoBuf</RootNamespace>
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<Authors>Marc Gravell</Authors>
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<PackageProjectUrl>https://github.com/mgravell/protobuf-net</PackageProjectUrl>
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‎ProtoBuf.snk

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‎global.json

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{
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"sdk": {
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"version": "3.0.100-preview7-012341"
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}
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}

‎protobuf-net.Grpc.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.29006.145
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "protobuf-net.Grpc", "src\protobuf-net.Grpc\protobuf-net.Grpc.csproj", "{30D0874E-DA1A-497E-A181-37739A46CF32}"
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "examples", "examples", "{F7FAC6AD-62B0-4B79-98AA-DBD99F84E4E9}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "grpc", "grpc", "{ABFDBC40-BB23-4E19-80C8-8ACC96671B63}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dotnet-grpc", "dotnet-grpc", "{BCE4682E-1594-4DEF-BC23-35E8571FD002}"
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pb-net-grpc", "pb-net-grpc", "{7F457A71-E0C6-4DB1-B692-56541CAEDB5A}"
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EndProject
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Global
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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SolutionGuid = {BA14B07C-CA29-430D-A600-F37A050636D3}
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EndGlobalSection
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EndGlobal

‎src/protobuf-net.Grpc/CallContext.cs

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using Grpc.Core;
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using ProtoBuf.Grpc.Internal;
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using System;
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using System.Threading;
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using System.Runtime.CompilerServices;
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using System.ComponentModel;
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namespace ProtoBuf.Grpc
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{
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/// <summary>
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/// Unifies the API for client and server gRPC call contexts; the API intersection is available
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/// directly - for client-specific or server-specific options: use .Client or .Server; note that
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/// whether this is a client or server context depends on the usage. Silent conversions are available.
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/// </summary>
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public readonly struct CallContext
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{
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public static readonly CallContext Default; // it is **not** accidental that this is a field - allows effective ldsflda usage
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public CallOptions Client { get; }
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public ServerCallContext? Server { get; }
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public Metadata RequestHeaders => Client.Headers;
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public CancellationToken CancellationToken => Client.CancellationToken;
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public DateTime? Deadline => Client.Deadline;
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public WriteOptions WriteOptions => Client.WriteOptions;
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[Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]
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internal MetadataContext? Prepare() => _metadataContext?.Reset();
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public CallContext(ServerCallContext server)
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{
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Server = server;
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Client = server == null ? default : new CallOptions(server.RequestHeaders, server.Deadline, server.CancellationToken, server.WriteOptions);
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_metadataContext = null;
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}
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public CallContext(in CallOptions client, CallContextFlags flags = CallContextFlags.None)
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{
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Client = client;
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Server = default;
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_metadataContext = (flags & CallContextFlags.CaptureMetadata) == 0 ? null : new MetadataContext();
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}
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private readonly MetadataContext? _metadataContext;
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public Metadata ResponseHeaders() => _metadataContext?.Headers ?? ThrowNoContext<Metadata>();
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public Metadata ResponseTrailers() => _metadataContext?.Trailers ?? ThrowNoContext<Metadata>();
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public Status ResponseStatus() => _metadataContext?.Status ?? ThrowNoContext<Status>();
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[MethodImpl]
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private T ThrowNoContext<T>()
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{
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if (Server != null) throw new InvalidOperationException("Response metadata is not available for server contexts");
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throw new InvalidOperationException("The CaptureMetadata flag must be specified when creating the CallContext to enable response metadata");
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}
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}
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[Flags]
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public enum CallContextFlags
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{
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None = 0,
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CaptureMetadata = 1,
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}
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}

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