| #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 System.Text; |
| using Grpc.Core; |
| |
| namespace Grpc.Core.Internal |
| { |
| /// <summary> |
| /// grpcsharp_batch_context |
| /// </summary> |
| internal class BatchContextSafeHandle : SafeHandleZeroIsInvalid |
| { |
| static readonly Encoding EncodingUTF8 = System.Text.Encoding.UTF8; |
| 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 = PtrToStringUtf8(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; |
| } |
| |
| string PtrToStringUtf8(IntPtr ptr, int len) |
| { |
| var bytes = new byte[len]; |
| Marshal.Copy(ptr, bytes, 0, len); |
| return EncodingUTF8.GetString(bytes); |
| } |
| } |
| } |