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Diffstat (limited to 'src/csharp/Grpc.Core/Metadata.cs')
-rw-r--r--src/csharp/Grpc.Core/Metadata.cs12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/csharp/Grpc.Core/Metadata.cs b/src/csharp/Grpc.Core/Metadata.cs
index e982fa0c48..915bec146c 100644
--- a/src/csharp/Grpc.Core/Metadata.cs
+++ b/src/csharp/Grpc.Core/Metadata.cs
@@ -63,6 +63,13 @@ namespace Grpc.Core
/// </summary>
public static readonly Metadata Empty = new Metadata().Freeze();
+ /// <summary>
+ /// To be used in initial metadata to request specific compression algorithm
+ /// for given call. Direct selection of compression algorithms is an internal
+ /// feature and is not part of public API.
+ /// </summary>
+ internal const string CompressionRequestAlgorithmMetadataKey = "grpc-internal-encoding-request";
+
readonly List<Entry> entries;
bool readOnly;
@@ -95,6 +102,7 @@ namespace Grpc.Core
public void Insert(int index, Metadata.Entry item)
{
+ GrpcPreconditions.CheckNotNull(item);
CheckWriteable();
entries.Insert(index, item);
}
@@ -114,6 +122,7 @@ namespace Grpc.Core
set
{
+ GrpcPreconditions.CheckNotNull(value);
CheckWriteable();
entries[index] = value;
}
@@ -121,6 +130,7 @@ namespace Grpc.Core
public void Add(Metadata.Entry item)
{
+ GrpcPreconditions.CheckNotNull(item);
CheckWriteable();
entries.Add(item);
}
@@ -187,7 +197,7 @@ namespace Grpc.Core
/// <summary>
/// Metadata entry
/// </summary>
- public struct Entry
+ public class Entry
{
private static readonly Encoding Encoding = Encoding.ASCII;
private static readonly Regex ValidKeyRegex = new Regex("^[a-z0-9_-]+$");