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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.Runtime.InteropServices;
using Grpc.Core.Utils;
namespace Grpc.Core.Internal
{
/// <summary>
/// grpc_call_error from grpc/grpc.h
/// </summary>
internal enum CallError
{
/* everything went ok */
OK = 0,
/* something failed, we don't know what */
Error,
/* this method is not available on the server */
NotOnServer,
/* this method is not available on the client */
NotOnClient,
/* this method must be called before server_accept */
AlreadyAccepted,
/* this method must be called before invoke */
AlreadyInvoked,
/* this method must be called after invoke */
NotInvoked,
/* this call is already finished
(writes_done or write_status has already been called) */
AlreadyFinished,
/* there is already an outstanding read/write operation on the call */
TooManyOperations,
/* the flags value was illegal for this call */
InvalidFlags
}
internal static class CallErrorExtensions
{
/// <summary>
/// Checks the call API invocation's result is OK.
/// </summary>
public static void CheckOk(this CallError callError)
{
if (callError != CallError.OK)
{
throw new InvalidOperationException("Call error: " + callError);
}
}
}
}
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