aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
blob: 8689d188aed4ea5bd4eb6f4c15725c4084339c7d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
#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.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.Logging;
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 class ServerRunners
    {
        static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<ServerRunners>();

        /// <summary>
        /// Creates a started server runner.
        /// </summary>
        public static IServerRunner CreateStarted(ServerConfig config)
        {
            Logger.Debug("ServerConfig: {0}", config);
            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslServerCredentials() : ServerCredentials.Insecure;

            if (config.AsyncServerThreads != 0)
            {
                Logger.Warning("ServerConfig.AsyncServerThreads is not supported for C#. Ignoring the value");
            }
            if (config.CoreLimit != 0)
            {
                Logger.Warning("ServerConfig.CoreLimit is not supported for C#. Ignoring the value");
            }
            if (config.CoreList.Count > 0)
            {
                Logger.Warning("ServerConfig.CoreList is not supported for C#. Ignoring the value");
            }

            ServerServiceDefinition service = null;
            if (config.ServerType == ServerType.AsyncServer)
            {
                GrpcPreconditions.CheckArgument(config.PayloadConfig == null,
                    "ServerConfig.PayloadConfig shouldn't be set for BenchmarkService based server.");    
                service = BenchmarkService.BindService(new BenchmarkServiceImpl());
            }
            else if (config.ServerType == ServerType.AsyncGenericServer)
            {
                var genericService = new GenericServiceImpl(config.PayloadConfig.BytebufParams.RespSize);
                service = GenericService.BindHandler(genericService.StreamingCall);
            }
            else
            {
                throw new ArgumentException("Unsupported ServerType");
            }

            var server = new Server
            {
                Services = { service },
                Ports = { new ServerPort("[::]", config.Port, credentials) }
            };

            server.Start();
            return new ServerRunnerImpl(server);
        }

        private class GenericServiceImpl
        {
            readonly byte[] response;

            public GenericServiceImpl(int responseSize)
            {
                this.response = new byte[responseSize];
            }

            /// <summary>
            /// Generic streaming call handler.
            /// </summary>
            public async Task StreamingCall(IAsyncStreamReader<byte[]> requestStream, IServerStreamWriter<byte[]> responseStream, ServerCallContext context)
            {
                await requestStream.ForEachAsync(async request =>
                {
                    await responseStream.WriteAsync(response);
                });
            }
        }
    }

    /// <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();
        }
    }        
}