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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.Threading;
using Grpc.Core.Internal;
using Grpc.Core.Utils;
namespace Grpc.Core
{
/// <summary>
/// Options for calls made by client.
/// </summary>
public class CallOptions
{
readonly Metadata headers;
readonly DateTime deadline;
readonly CancellationToken cancellationToken;
readonly WriteOptions writeOptions;
readonly ContextPropagationToken propagationToken;
/// <summary>
/// Creates a new instance of <c>CallOptions</c>.
/// </summary>
/// <param name="headers">Headers to be sent with the call.</param>
/// <param name="deadline">Deadline for the call to finish. null means no deadline.</param>
/// <param name="cancellationToken">Can be used to request cancellation of the call.</param>
/// <param name="writeOptions">Write options that will be used for this call.</param>
/// <param name="propagationToken">Context propagation token obtained from <see cref="ServerCallContext"/>.</param>
public CallOptions(Metadata headers = null, DateTime? deadline = null, CancellationToken? cancellationToken = null,
WriteOptions writeOptions = null, ContextPropagationToken propagationToken = null)
{
// TODO(jtattermusch): consider only creating metadata object once it's really needed.
this.headers = headers ?? new Metadata();
this.deadline = deadline ?? (propagationToken != null ? propagationToken.Deadline : DateTime.MaxValue);
this.cancellationToken = cancellationToken ?? (propagationToken != null ? propagationToken.CancellationToken : CancellationToken.None);
this.writeOptions = writeOptions;
this.propagationToken = propagationToken;
}
/// <summary>
/// Headers to send at the beginning of the call.
/// </summary>
public Metadata Headers
{
get { return headers; }
}
/// <summary>
/// Call deadline.
/// </summary>
public DateTime Deadline
{
get { return deadline; }
}
/// <summary>
/// Token that can be used for cancelling the call.
/// </summary>
public CancellationToken CancellationToken
{
get { return cancellationToken; }
}
/// <summary>
/// Write options that will be used for this call.
/// </summary>
public WriteOptions WriteOptions
{
get
{
return this.writeOptions;
}
}
/// <summary>
/// Token for propagating parent call context.
/// </summary>
public ContextPropagationToken PropagationToken
{
get
{
return this.propagationToken;
}
}
}
}
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