diff options
Diffstat (limited to 'src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs')
-rw-r--r-- | src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs new file mode 100644 index 0000000000..de9bbaf7c1 --- /dev/null +++ b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs @@ -0,0 +1,112 @@ +#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.Collections.Concurrent; +using System.Diagnostics; +using System.Runtime.InteropServices; + +namespace Grpc.Core.Internal +{ + // TODO: we need to make sure that the delegates are not collected before invoked. + internal delegate void ServerShutdownCallbackDelegate(IntPtr eventPtr); + + /// <summary> + /// grpc_server from grpc/grpc.h + /// </summary> + internal sealed class ServerSafeHandle : SafeHandleZeroIsInvalid + { + [DllImport("grpc_csharp_ext.dll")] + static extern GRPCCallError grpcsharp_server_request_call(ServerSafeHandle server, CompletionQueueSafeHandle cq, [MarshalAs(UnmanagedType.FunctionPtr)] CompletionCallbackDelegate callback); + + [DllImport("grpc_csharp_ext.dll")] + static extern ServerSafeHandle grpcsharp_server_create(CompletionQueueSafeHandle cq, IntPtr args); + + [DllImport("grpc_csharp_ext.dll")] + static extern Int32 grpcsharp_server_add_http2_port(ServerSafeHandle server, string addr); + + [DllImport("grpc_csharp_ext.dll")] + static extern void grpcsharp_server_start(ServerSafeHandle server); + + [DllImport("grpc_csharp_ext.dll")] + static extern void grpcsharp_server_shutdown(ServerSafeHandle server); + + // TODO: get rid of the old callback style + [DllImport("grpc_csharp_ext.dll", EntryPoint = "grpcsharp_server_shutdown_and_notify")] + static extern void grpcsharp_server_shutdown_and_notify_CALLBACK(ServerSafeHandle server, [MarshalAs(UnmanagedType.FunctionPtr)] ServerShutdownCallbackDelegate callback); + + [DllImport("grpc_csharp_ext.dll")] + static extern void grpcsharp_server_destroy(IntPtr server); + + private ServerSafeHandle() + { + } + + public static ServerSafeHandle NewServer(CompletionQueueSafeHandle cq, IntPtr args) + { + // TODO: also grpc_secure_server_create... + return grpcsharp_server_create(cq, args); + } + + public int AddPort(string addr) + { + return grpcsharp_server_add_http2_port(this, addr); + } + + public void Start() + { + grpcsharp_server_start(this); + } + + public void Shutdown() + { + grpcsharp_server_shutdown(this); + } + + public void ShutdownAndNotify(ServerShutdownCallbackDelegate callback) + { + grpcsharp_server_shutdown_and_notify_CALLBACK(this, callback); + } + + public GRPCCallError RequestCall(CompletionQueueSafeHandle cq, CompletionCallbackDelegate callback) + { + return grpcsharp_server_request_call(this, cq, callback); + } + + protected override bool ReleaseHandle() + { + grpcsharp_server_destroy(handle); + return true; + } + } +} |