| #region Copyright notice and license |
| |
| // Copyright 2015 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| namespace Grpc.Core.Internal |
| { |
| /// <summary> |
| /// grpc_server from grpc/grpc.h |
| /// </summary> |
| internal sealed class ServerSafeHandle : SafeHandleZeroIsInvalid |
| { |
| static readonly NativeMethods Native = NativeMethods.Get(); |
| |
| private ServerSafeHandle() |
| { |
| } |
| |
| public static ServerSafeHandle NewServer(ChannelArgsSafeHandle args) |
| { |
| // Increment reference count for the native gRPC environment to make sure we don't do grpc_shutdown() before destroying the server handle. |
| // Doing so would make object finalizer crash if we end up abandoning the handle. |
| GrpcEnvironment.GrpcNativeInit(); |
| return Native.grpcsharp_server_create(args); |
| } |
| |
| public void RegisterCompletionQueue(CompletionQueueSafeHandle cq) |
| { |
| using (cq.NewScope()) |
| { |
| Native.grpcsharp_server_register_completion_queue(this, cq); |
| } |
| } |
| |
| public int AddInsecurePort(string addr) |
| { |
| return Native.grpcsharp_server_add_insecure_http2_port(this, addr); |
| } |
| |
| public int AddSecurePort(string addr, ServerCredentialsSafeHandle credentials) |
| { |
| return Native.grpcsharp_server_add_secure_http2_port(this, addr, credentials); |
| } |
| |
| public void Start() |
| { |
| Native.grpcsharp_server_start(this); |
| } |
| |
| public void ShutdownAndNotify(BatchCompletionDelegate callback, CompletionQueueSafeHandle completionQueue) |
| { |
| using (completionQueue.NewScope()) |
| { |
| var ctx = BatchContextSafeHandle.Create(); |
| // TODO(jtattermusch): delegate allocation by caller can be avoided by utilizing the "state" object, |
| // but server shutdown isn't worth optimizing right now. |
| completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, callback, null); |
| Native.grpcsharp_server_shutdown_and_notify_callback(this, completionQueue, ctx); |
| } |
| } |
| |
| public void RequestCall(RequestCallCompletionDelegate callback, CompletionQueueSafeHandle completionQueue) |
| { |
| using (completionQueue.NewScope()) |
| { |
| var ctx = RequestCallContextSafeHandle.Create(); |
| completionQueue.CompletionRegistry.RegisterRequestCallCompletion(ctx, callback); |
| Native.grpcsharp_server_request_call(this, completionQueue, ctx).CheckOk(); |
| } |
| } |
| |
| protected override bool ReleaseHandle() |
| { |
| Native.grpcsharp_server_destroy(handle); |
| GrpcEnvironment.GrpcNativeShutdown(); |
| return true; |
| } |
| |
| // Only to be called after ShutdownAndNotify. |
| public void CancelAllCalls() |
| { |
| Native.grpcsharp_server_cancel_all_calls(this); |
| } |
| } |
| } |