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#region Copyright notice and license
// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Grpc.Core.Internal;
namespace Grpc.Core
{
/// <summary>
/// gRPC channel options.
/// </summary>
public class ChannelArgs
{
public const string SslTargetNameOverrideKey = "grpc.ssl_target_name_override";
readonly ImmutableDictionary<string, string> stringArgs;
private ChannelArgs(ImmutableDictionary<string, string> stringArgs)
{
this.stringArgs = stringArgs;
}
public string GetSslTargetNameOverride()
{
string result;
if (stringArgs.TryGetValue(SslTargetNameOverrideKey, out result))
{
return result;
}
return null;
}
public static Builder CreateBuilder()
{
return new Builder();
}
public class Builder
{
readonly Dictionary<string, string> stringArgs = new Dictionary<string, string>();
// TODO: AddInteger not supported yet.
public Builder AddString(string key, string value)
{
stringArgs.Add(key, value);
return this;
}
public ChannelArgs Build()
{
return new ChannelArgs(stringArgs.ToImmutableDictionary());
}
}
/// <summary>
/// Creates native object for the channel arguments.
/// </summary>
/// <returns>The native channel arguments.</returns>
internal ChannelArgsSafeHandle ToNativeChannelArgs()
{
ChannelArgsSafeHandle nativeArgs = null;
try
{
nativeArgs = ChannelArgsSafeHandle.Create(stringArgs.Count);
int i = 0;
foreach (var entry in stringArgs)
{
nativeArgs.SetString(i, entry.Key, entry.Value);
i++;
}
return nativeArgs;
}
catch (Exception)
{
if (nativeArgs != null)
{
nativeArgs.Dispose();
}
throw;
}
}
}
}
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