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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;
namespace Grpc.Core.Internal
{
/// <summary>
/// grpcsharp_batch_context
/// </summary>
internal class BatchContextSafeHandle : SafeHandleZeroIsInvalid
{
static readonly NativeMethods Native = NativeMethods.Get();
private BatchContextSafeHandle()
{
}
public static BatchContextSafeHandle Create()
{
return Native.grpcsharp_batch_context_create();
}
public IntPtr Handle
{
get
{
return handle;
}
}
// Gets data of recv_initial_metadata completion.
public Metadata GetReceivedInitialMetadata()
{
IntPtr metadataArrayPtr = Native.grpcsharp_batch_context_recv_initial_metadata(this);
return MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr);
}
// Gets data of recv_status_on_client completion.
public ClientSideStatus GetReceivedStatusOnClient()
{
UIntPtr detailsLength;
IntPtr detailsPtr = Native.grpcsharp_batch_context_recv_status_on_client_details(this, out detailsLength);
string details = Marshal.PtrToStringAnsi(detailsPtr, (int) detailsLength.ToUInt32());
var status = new Status(Native.grpcsharp_batch_context_recv_status_on_client_status(this), details);
IntPtr metadataArrayPtr = Native.grpcsharp_batch_context_recv_status_on_client_trailing_metadata(this);
var metadata = MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr);
return new ClientSideStatus(status, metadata);
}
// Gets data of recv_message completion.
public byte[] GetReceivedMessage()
{
IntPtr len = Native.grpcsharp_batch_context_recv_message_length(this);
if (len == new IntPtr(-1))
{
return null;
}
byte[] data = new byte[(int)len];
Native.grpcsharp_batch_context_recv_message_to_buffer(this, data, new UIntPtr((ulong)data.Length));
return data;
}
// Gets data of receive_close_on_server completion.
public bool GetReceivedCloseOnServerCancelled()
{
return Native.grpcsharp_batch_context_recv_close_on_server_cancelled(this) != 0;
}
protected override bool ReleaseHandle()
{
Native.grpcsharp_batch_context_destroy(handle);
return true;
}
}
}
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