Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs

+#region Copyright notice and license
+
+// Copyright 2015-2016, 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.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Helper methods to start server runners for performance testing.
+    /// </summary>
+    public static class ServerRunners
+    {
+        /// <summary>
+        /// Creates a started server runner.
+        /// </summary>
+        public static IServerRunner CreateStarted(ServerConfig config)
+        {
+            GrpcPreconditions.CheckArgument(config.ServerType == ServerType.ASYNC_SERVER);
+            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslServerCredentials() : ServerCredentials.Insecure;
+
+            // TODO: qps_driver needs to setup payload properly...
+            int responseSize = config.PayloadConfig != null ? config.PayloadConfig.SimpleParams.RespSize : 0;
+            var server = new Server
+            {
+                Services = { BenchmarkService.BindService(new BenchmarkServiceImpl(responseSize)) },
+                Ports = { new ServerPort("[::]", config.Port, credentials) }
+            };
+
+            server.Start();
+            return new ServerRunnerImpl(server);
+        }
+    }
+
+    /// <summary>
+    /// Server runner.
+    /// </summary>
+    public class ServerRunnerImpl : IServerRunner
+    {
+        readonly Server server;
+        readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
+
+        public ServerRunnerImpl(Server server)
+        {
+            this.server = GrpcPreconditions.CheckNotNull(server);
+        }
+
+        public int BoundPort
+        {
+            get
+            {
+                return server.Ports.Single().BoundPort;
+            }
+        }
+
+        /// <summary>
+        /// Gets server stats.
+        /// </summary>
+        /// <returns>The stats.</returns>
+        public ServerStats GetStats(bool reset)
+        {
+            var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
+
+            // TODO: populate user time and system time
+            return new ServerStats
+            {
+                TimeElapsed = secondsElapsed,
+                TimeUser = 0,
+                TimeSystem = 0
+            };
+        }
+
+        /// <summary>
+        /// Asynchronously stops the server.
+        /// </summary>
+        /// <returns>Task that finishes when server has shutdown.</returns>
+        public Task StopAsync()
+        {
+            return server.ShutdownAsync();
+        }
+    }
+        
+}