| #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> |
| /// Not owned version of |
| /// grpcsharp_batch_context |
| /// </summary> |
| internal class BatchContextSafeHandleNotOwned : SafeHandleZeroIsInvalid |
| { |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_message_length(BatchContextSafeHandleNotOwned ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern void grpcsharp_batch_context_recv_message_to_buffer(BatchContextSafeHandleNotOwned ctx, byte[] buffer, UIntPtr bufferLen); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern StatusCode grpcsharp_batch_context_recv_status_on_client_status(BatchContextSafeHandleNotOwned ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_status_on_client_details(BatchContextSafeHandleNotOwned ctx); // returns const char* |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern CallSafeHandle grpcsharp_batch_context_server_rpc_new_call(BatchContextSafeHandleNotOwned ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_server_rpc_new_method(BatchContextSafeHandleNotOwned ctx); // returns const char* |
| |
| public BatchContextSafeHandleNotOwned(IntPtr handle) : base(false) |
| { |
| SetHandle(handle); |
| } |
| |
| public Status GetReceivedStatus() |
| { |
| // TODO: can the native method return string directly? |
| string details = Marshal.PtrToStringAnsi(grpcsharp_batch_context_recv_status_on_client_details(this)); |
| return new Status(grpcsharp_batch_context_recv_status_on_client_status(this), details); |
| } |
| |
| public byte[] GetReceivedMessage() |
| { |
| IntPtr len = grpcsharp_batch_context_recv_message_length(this); |
| if (len == new IntPtr(-1)) |
| { |
| return null; |
| } |
| byte[] data = new byte[(int)len]; |
| grpcsharp_batch_context_recv_message_to_buffer(this, data, new UIntPtr((ulong)data.Length)); |
| return data; |
| } |
| |
| public CallSafeHandle GetServerRpcNewCall() |
| { |
| return grpcsharp_batch_context_server_rpc_new_call(this); |
| } |
| |
| public string GetServerRpcNewMethod() |
| { |
| return Marshal.PtrToStringAnsi(grpcsharp_batch_context_server_rpc_new_method(this)); |
| } |
| } |
| } |