| #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 |
| { |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern BatchContextSafeHandle grpcsharp_batch_context_create(); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_initial_metadata(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_message_length(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern void grpcsharp_batch_context_recv_message_to_buffer(BatchContextSafeHandle ctx, byte[] buffer, UIntPtr bufferLen); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern StatusCode grpcsharp_batch_context_recv_status_on_client_status(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_status_on_client_details(BatchContextSafeHandle ctx); // returns const char* |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern CallSafeHandle grpcsharp_batch_context_server_rpc_new_call(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_server_rpc_new_method(BatchContextSafeHandle ctx); // returns const char* |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_server_rpc_new_host(BatchContextSafeHandle ctx); // returns const char* |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern Timespec grpcsharp_batch_context_server_rpc_new_deadline(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern IntPtr grpcsharp_batch_context_server_rpc_new_request_metadata(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern int grpcsharp_batch_context_recv_close_on_server_cancelled(BatchContextSafeHandle ctx); |
| |
| [DllImport("grpc_csharp_ext.dll")] |
| static extern void grpcsharp_batch_context_destroy(IntPtr ctx); |
| |
| private BatchContextSafeHandle() |
| { |
| } |
| |
| public static BatchContextSafeHandle Create() |
| { |
| return grpcsharp_batch_context_create(); |
| } |
| |
| public IntPtr Handle |
| { |
| get |
| { |
| return handle; |
| } |
| } |
| |
| // Gets data of recv_initial_metadata completion. |
| public Metadata GetReceivedInitialMetadata() |
| { |
| IntPtr metadataArrayPtr = grpcsharp_batch_context_recv_initial_metadata(this); |
| return MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr); |
| } |
| |
| // Gets data of recv_status_on_client completion. |
| public ClientSideStatus GetReceivedStatusOnClient() |
| { |
| string details = Marshal.PtrToStringAnsi(grpcsharp_batch_context_recv_status_on_client_details(this)); |
| var status = new Status(grpcsharp_batch_context_recv_status_on_client_status(this), details); |
| |
| IntPtr metadataArrayPtr = 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 = 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; |
| } |
| |
| // Gets data of server_rpc_new completion. |
| public ServerRpcNew GetServerRpcNew(Server server) |
| { |
| var call = grpcsharp_batch_context_server_rpc_new_call(this); |
| |
| var method = Marshal.PtrToStringAnsi(grpcsharp_batch_context_server_rpc_new_method(this)); |
| var host = Marshal.PtrToStringAnsi(grpcsharp_batch_context_server_rpc_new_host(this)); |
| var deadline = grpcsharp_batch_context_server_rpc_new_deadline(this); |
| |
| IntPtr metadataArrayPtr = grpcsharp_batch_context_server_rpc_new_request_metadata(this); |
| var metadata = MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr); |
| |
| return new ServerRpcNew(server, call, method, host, deadline, metadata); |
| } |
| |
| // Gets data of receive_close_on_server completion. |
| public bool GetReceivedCloseOnServerCancelled() |
| { |
| return grpcsharp_batch_context_recv_close_on_server_cancelled(this) != 0; |
| } |
| |
| protected override bool ReleaseHandle() |
| { |
| grpcsharp_batch_context_destroy(handle); |
| return true; |
| } |
| } |
| |
| /// <summary> |
| /// Status + metadata received on client side when call finishes. |
| /// (when receive_status_on_client operation finishes). |
| /// </summary> |
| internal struct ClientSideStatus |
| { |
| readonly Status status; |
| readonly Metadata trailers; |
| |
| public ClientSideStatus(Status status, Metadata trailers) |
| { |
| this.status = status; |
| this.trailers = trailers; |
| } |
| |
| public Status Status |
| { |
| get |
| { |
| return this.status; |
| } |
| } |
| |
| public Metadata Trailers |
| { |
| get |
| { |
| return this.trailers; |
| } |
| } |
| } |
| |
| /// <summary> |
| /// Details of a newly received RPC. |
| /// </summary> |
| internal struct ServerRpcNew |
| { |
| readonly Server server; |
| readonly CallSafeHandle call; |
| readonly string method; |
| readonly string host; |
| readonly Timespec deadline; |
| readonly Metadata requestMetadata; |
| |
| public ServerRpcNew(Server server, CallSafeHandle call, string method, string host, Timespec deadline, Metadata requestMetadata) |
| { |
| this.server = server; |
| this.call = call; |
| this.method = method; |
| this.host = host; |
| this.deadline = deadline; |
| this.requestMetadata = requestMetadata; |
| } |
| |
| public Server Server |
| { |
| get |
| { |
| return this.server; |
| } |
| } |
| |
| public CallSafeHandle Call |
| { |
| get |
| { |
| return this.call; |
| } |
| } |
| |
| public string Method |
| { |
| get |
| { |
| return this.method; |
| } |
| } |
| |
| public string Host |
| { |
| get |
| { |
| return this.host; |
| } |
| } |
| |
| public Timespec Deadline |
| { |
| get |
| { |
| return this.deadline; |
| } |
| } |
| |
| public Metadata RequestMetadata |
| { |
| get |
| { |
| return this.requestMetadata; |
| } |
| } |
| } |
| } |