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#region Copyright notice and license
// Copyright 2015-2016 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
using System.Globalization;
using System.Net.Http;
using System.Security.Cryptography.X509Certificates;
using CommandLine;
using Google.Apis.Auth.OAuth2;
using Google.Protobuf;
using Grpc.Auth;
using Grpc.Core;
using Grpc.Net.Client;
using Grpc.Testing;
using Microsoft.AspNetCore.Internal;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;
namespace InteropTestsClient;
public class InteropClient : IDisposable
{
internal const string CompressionRequestAlgorithmMetadataKey = "grpc-internal-encoding-request";
private class ClientOptions
{
[Option("client_type", Default = "httpclient")]
public string? ClientType { get; set; }
[Option("server_host", Default = "localhost")]
public string? ServerHost { get; set; }
[Option("server_host_override")]
public string? ServerHostOverride { get; set; }
[Option("server_port"
#if DEBUG
, Default = 50052
#endif
)]
public int ServerPort { get; set; }
[Option("test_case"
#if DEBUG
, Default = "large_unary"
#endif
)]
public string? TestCase { get; set; }
// Deliberately using nullable bool type to allow --use_tls=true syntax (as opposed to --use_tls)
[Option("use_tls", Default = false)]
public bool? UseTls { get; set; }
// Deliberately using nullable bool type to allow --use_test_ca=true syntax (as opposed to --use_test_ca)
[Option("use_test_ca", Default = false)]
public bool? UseTestCa { get; set; }
[Option("default_service_account", Required = false)]
public string? DefaultServiceAccount { get; set; }
[Option("oauth_scope", Required = false)]
public string? OAuthScope { get; set; }
[Option("service_account_key_file", Required = false)]
public string? ServiceAccountKeyFile { get; set; }
}
private ServiceProvider serviceProvider;
private ILoggerFactory loggerFactory;
private HttpEventSourceListener httpEventSource;
private ClientOptions options;
private InteropClient(ClientOptions options)
{
this.options = options;
var services = new ServiceCollection();
services.AddLogging(configure =>
{
configure.SetMinimumLevel(LogLevel.Trace);
configure.AddConsole(loggerOptions =>
{
#pragma warning disable CS0618 // Type or member is obsolete
loggerOptions.IncludeScopes = true;
loggerOptions.DisableColors = true;
#pragma warning restore CS0618 // Type or member is obsolete
});
});
serviceProvider = services.BuildServiceProvider();
loggerFactory = serviceProvider.GetRequiredService<ILoggerFactory>();
httpEventSource = new HttpEventSourceListener(loggerFactory);
}
public void Dispose()
{
serviceProvider.Dispose();
httpEventSource.Dispose();
}
public static void Run(string[] args)
{
var parserResult = Parser.Default.ParseArguments<ClientOptions>(args)
.WithNotParsed(errors => Environment.Exit(1))
.WithParsed(options =>
{
Console.WriteLine("Use TLS: " + options.UseTls);
Console.WriteLine("Use Test CA: " + options.UseTestCa);
Console.WriteLine("Client type: " + options.ClientType);
Console.WriteLine("Server host: " + options.ServerHost);
Console.WriteLine("Server port: " + options.ServerPort);
using (var interopClient = new InteropClient(options))
{
interopClient.Run().GetAwaiter().GetResult();
}
});
}
private async Task Run()
{
var channel = await HttpClientCreateChannel();
await RunTestCaseAsync(channel, options);
await channel.ShutdownAsync();
}
private async Task<IChannelWrapper> HttpClientCreateChannel()
{
var credentials = await CreateCredentialsAsync(useTestCaOverride: false);
string scheme;
if (!(options.UseTls ?? false))
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
scheme = "http";
}
else
{
scheme = "https";
}
var httpClientHandler = new HttpClientHandler();
httpClientHandler.ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator!;
if (options.UseTestCa ?? false)
{
var pem = File.ReadAllText("Certs/ca.pem");
var certData = GetBytesFromPem(pem, "CERTIFICATE");
var cert = new X509Certificate2(certData!);
httpClientHandler.ClientCertificates.Add(cert);
}
var channel = GrpcChannel.ForAddress($"{scheme}://{options.ServerHost}:{options.ServerPort}", new GrpcChannelOptions
{
Credentials = credentials,
HttpHandler = httpClientHandler,
LoggerFactory = loggerFactory
});
return new GrpcChannelWrapper(channel);
}
private async Task<ChannelCredentials> CreateCredentialsAsync(bool? useTestCaOverride = null)
{
var credentials = ChannelCredentials.Insecure;
if (options.UseTls.GetValueOrDefault())
{
credentials = new SslCredentials();
}
if (options.TestCase == "jwt_token_creds")
{
var googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
Assert.IsTrue(googleCredential.IsCreateScopedRequired);
credentials = ChannelCredentials.Create(credentials, googleCredential.ToCallCredentials());
}
if (options.TestCase == "compute_engine_creds")
{
var googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
Assert.IsFalse(googleCredential.IsCreateScopedRequired);
credentials = ChannelCredentials.Create(credentials, googleCredential.ToCallCredentials());
}
return credentials;
}
private TClient CreateClient<TClient>(IChannelWrapper channel) where TClient : ClientBase
{
return (TClient)Activator.CreateInstance(typeof(TClient), channel.Channel)!;
}
private async Task RunTestCaseAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient<TestService.TestServiceClient>(channel);
switch (options.TestCase)
{
case "empty_unary":
RunEmptyUnary(client);
break;
case "large_unary":
RunLargeUnary(client);
break;
case "client_streaming":
await RunClientStreamingAsync(client);
break;
case "server_streaming":
await RunServerStreamingAsync(client);
break;
case "ping_pong":
await RunPingPongAsync(client);
break;
case "empty_stream":
await RunEmptyStreamAsync(client);
break;
case "compute_engine_creds":
RunComputeEngineCreds(client, options.DefaultServiceAccount!, options.OAuthScope!);
break;
case "jwt_token_creds":
RunJwtTokenCreds(client);
break;
case "oauth2_auth_token":
await RunOAuth2AuthTokenAsync(client, options.OAuthScope!);
break;
case "per_rpc_creds":
await RunPerRpcCredsAsync(client, options.OAuthScope!);
break;
case "cancel_after_begin":
await RunCancelAfterBeginAsync(client);
break;
case "cancel_after_first_response":
await RunCancelAfterFirstResponseAsync(client);
break;
case "timeout_on_sleeping_server":
await RunTimeoutOnSleepingServerAsync(client);
break;
case "custom_metadata":
await RunCustomMetadataAsync(client);
break;
case "status_code_and_message":
await RunStatusCodeAndMessageAsync(client);
break;
case "unimplemented_service":
RunUnimplementedService(CreateClient<UnimplementedService.UnimplementedServiceClient>(channel));
break;
case "special_status_message":
await RunSpecialStatusMessageAsync(client);
break;
case "unimplemented_method":
RunUnimplementedMethod(client);
break;
case "client_compressed_unary":
RunClientCompressedUnary(client);
break;
case "client_compressed_streaming":
await RunClientCompressedStreamingAsync(client);
break;
case "server_compressed_unary":
await RunServerCompressedUnary(client);
break;
case "server_compressed_streaming":
await RunServerCompressedStreamingAsync(client);
break;
default:
throw new ArgumentException("Unknown test case " + options.TestCase);
}
}
public static void RunEmptyUnary(TestService.TestServiceClient client)
{
Console.WriteLine("running empty_unary");
var response = client.EmptyCall(new Empty());
Assert.IsNotNull(response);
Console.WriteLine("Passed!");
}
public static void RunLargeUnary(TestService.TestServiceClient client)
{
Console.WriteLine("running large_unary");
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response = client.UnaryCall(request);
Assert.AreEqual(314159, response.Payload.Body.Length);
Console.WriteLine("Passed!");
}
public static async Task RunClientStreamingAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running client_streaming");
var bodySizes = new List<int> { 27182, 8, 1828, 45904 }.Select((size) => new StreamingInputCallRequest { Payload = CreateZerosPayload(size) });
using (var call = client.StreamingInputCall())
{
await call.RequestStream.WriteAllAsync(bodySizes);
var response = await call.ResponseAsync;
Assert.AreEqual(74922, response.AggregatedPayloadSize);
}
Console.WriteLine("Passed!");
}
public static async Task RunServerStreamingAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running server_streaming");
var bodySizes = new List<int> { 31415, 9, 2653, 58979 };
var request = new StreamingOutputCallRequest
{
ResponseParameters = { bodySizes.Select((size) => new ResponseParameters { Size = size }) }
};
using (var call = client.StreamingOutputCall(request))
{
var responseList = await call.ResponseStream.ToListAsync();
CollectionAssert.AreEqual(bodySizes, responseList.Select((item) => item.Payload.Body.Length).ToList());
}
Console.WriteLine("Passed!");
}
public static async Task RunPingPongAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running ping_pong");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 9 } },
Payload = CreateZerosPayload(8)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(9, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 2653 } },
Payload = CreateZerosPayload(1828)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(2653, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 58979 } },
Payload = CreateZerosPayload(45904)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(58979, call.ResponseStream.Current.Payload.Body.Length);
await call.RequestStream.CompleteAsync();
Assert.IsFalse(await call.ResponseStream.MoveNext());
}
Console.WriteLine("Passed!");
}
public static async Task RunEmptyStreamAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running empty_stream");
using (var call = client.FullDuplexCall())
{
await call.RequestStream.CompleteAsync();
var responseList = await call.ResponseStream.ToListAsync();
Assert.AreEqual(0, responseList.Count);
}
Console.WriteLine("Passed!");
}
public static void RunComputeEngineCreds(TestService.TestServiceClient client, string defaultServiceAccount, string oauthScope)
{
Console.WriteLine("running compute_engine_creds");
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
FillOauthScope = true
};
// not setting credentials here because they were set on channel already
var response = client.UnaryCall(request);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.IsFalse(string.IsNullOrEmpty(response.OauthScope));
Assert.IsTrue(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(defaultServiceAccount, response.Username);
Console.WriteLine("Passed!");
}
public static void RunJwtTokenCreds(TestService.TestServiceClient client)
{
Console.WriteLine("running jwt_token_creds");
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
};
// not setting credentials here because they were set on channel already
var response = client.UnaryCall(request);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunOAuth2AuthTokenAsync(TestService.TestServiceClient client, string oauthScope)
{
Console.WriteLine("running oauth2_auth_token");
ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
string oauth2Token = await credential.GetAccessTokenForRequestAsync();
var credentials = GoogleGrpcCredentials.FromAccessToken(oauth2Token);
var request = new SimpleRequest
{
FillUsername = true,
FillOauthScope = true
};
var response = client.UnaryCall(request, new CallOptions(credentials: credentials));
Assert.IsFalse(string.IsNullOrEmpty(response.OauthScope));
Assert.IsTrue(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunPerRpcCredsAsync(TestService.TestServiceClient client, string oauthScope)
{
Console.WriteLine("running per_rpc_creds");
ITokenAccess googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
var credentials = googleCredential.ToCallCredentials();
var request = new SimpleRequest
{
FillUsername = true,
};
var response = client.UnaryCall(request, new CallOptions(credentials: credentials));
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterBeginAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running cancel_after_begin");
var cts = new CancellationTokenSource();
using (var call = client.StreamingInputCall(cancellationToken: cts.Token))
{
// TODO(jtattermusch): we need this to ensure call has been initiated once we cancel it.
await Task.Delay(1000);
cts.Cancel();
var ex = await Assert.ThrowsAsync<RpcException>(() => call.ResponseAsync);
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
Console.WriteLine("Passed!");
}
public static async Task RunCancelAfterFirstResponseAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running cancel_after_first_response");
var cts = new CancellationTokenSource();
using (var call = client.FullDuplexCall(cancellationToken: cts.Token))
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
});
Assert.IsTrue(await call.ResponseStream.MoveNext());
Assert.AreEqual(31415, call.ResponseStream.Current.Payload.Body.Length);
cts.Cancel();
try
{
// cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
await call.ResponseStream.MoveNext();
Assert.Fail();
}
catch (RpcException ex)
{
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
}
Console.WriteLine("Passed!");
}
public static async Task RunTimeoutOnSleepingServerAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running timeout_on_sleeping_server");
var deadline = DateTime.UtcNow.AddMilliseconds(1);
using (var call = client.FullDuplexCall(deadline: deadline))
{
try
{
await call.RequestStream.WriteAsync(new StreamingOutputCallRequest { Payload = CreateZerosPayload(27182) });
}
catch (InvalidOperationException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
catch (RpcException)
{
// Deadline was reached before write has started. Eat the exception and continue.
}
try
{
await call.ResponseStream.MoveNext();
Assert.Fail();
}
catch (RpcException ex)
{
Assert.AreEqual(StatusCode.DeadlineExceeded, ex.StatusCode);
}
}
Console.WriteLine("Passed!");
}
public static async Task RunCustomMetadataAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running custom_metadata");
{
// step 1: test unary call
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var call = client.UnaryCallAsync(request, headers: CreateTestMetadata());
await call.ResponseAsync;
var responseHeaders = await call.ResponseHeadersAsync;
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.First((entry) => entry.Key == "x-grpc-test-echo-initial").Value);
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.First((entry) => entry.Key == "x-grpc-test-echo-trailing-bin").ValueBytes);
}
{
// step 2: test full duplex call
var request = new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters { Size = 31415 } },
Payload = CreateZerosPayload(27182)
};
var call = client.FullDuplexCall(headers: CreateTestMetadata());
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
await call.ResponseStream.ToListAsync();
var responseHeaders = await call.ResponseHeadersAsync;
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.First((entry) => entry.Key == "x-grpc-test-echo-initial").Value);
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.First((entry) => entry.Key == "x-grpc-test-echo-trailing-bin").ValueBytes);
}
Console.WriteLine("Passed!");
}
public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running status_code_and_message");
var echoStatus = new EchoStatus
{
Code = 2,
Message = "test status message"
};
{
// step 1: test unary call
var request = new SimpleRequest { ResponseStatus = echoStatus };
var e = Assert.Throws<RpcException>(() => client.UnaryCall(request));
Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
Assert.AreEqual(echoStatus.Message, e.Status.Detail);
}
{
// step 2: test full duplex call
var request = new StreamingOutputCallRequest { ResponseStatus = echoStatus };
var call = client.FullDuplexCall();
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
try
{
// cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
await call.ResponseStream.ToListAsync();
Assert.Fail();
}
catch (RpcException e)
{
Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
Assert.AreEqual(echoStatus.Message, e.Status.Detail);
}
}
Console.WriteLine("Passed!");
}
private static async Task RunSpecialStatusMessageAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running special_status_message");
var echoStatus = new EchoStatus
{
Code = 2,
Message = "\t\ntest with whitespace\r\nand Unicode BMP ☺ and non-BMP 😈\t\n"
};
try
{
await client.UnaryCallAsync(new SimpleRequest
{
ResponseStatus = echoStatus
});
Assert.Fail();
}
catch (RpcException e)
{
Assert.AreEqual(StatusCode.Unknown, e.Status.StatusCode);
Assert.AreEqual(echoStatus.Message, e.Status.Detail);
}
Console.WriteLine("Passed!");
}
public static void RunUnimplementedService(UnimplementedService.UnimplementedServiceClient client)
{
Console.WriteLine("running unimplemented_service");
var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
Assert.AreEqual(StatusCode.Unimplemented, e.Status.StatusCode);
Console.WriteLine("Passed!");
}
public static void RunUnimplementedMethod(TestService.TestServiceClient client)
{
Console.WriteLine("running unimplemented_method");
var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
Assert.AreEqual(StatusCode.Unimplemented, e.Status.StatusCode);
Console.WriteLine("Passed!");
}
public static void RunClientCompressedUnary(TestService.TestServiceClient client)
{
Console.WriteLine("running client_compressed_unary");
var probeRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = true // lie about compression
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var e = Assert.Throws<RpcException>(() => client.UnaryCall(probeRequest, CreateClientCompressionMetadata(false)));
Assert.AreEqual(StatusCode.InvalidArgument, e.Status.StatusCode);
var compressedRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = true
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response1 = client.UnaryCall(compressedRequest, CreateClientCompressionMetadata(true));
Assert.AreEqual(314159, response1.Payload.Body.Length);
var uncompressedRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = false
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response2 = client.UnaryCall(uncompressedRequest, CreateClientCompressionMetadata(false));
Assert.AreEqual(314159, response2.Payload.Body.Length);
Console.WriteLine("Passed!");
}
public static async Task RunClientCompressedStreamingAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running client_compressed_streaming");
try
{
var probeCall = client.StreamingInputCall(CreateClientCompressionMetadata(false));
await probeCall.RequestStream.WriteAsync(new StreamingInputCallRequest
{
ExpectCompressed = new BoolValue
{
Value = true
},
Payload = CreateZerosPayload(27182)
});
// cannot use Assert.ThrowsAsync because it uses Task.Wait and would deadlock.
await probeCall;
Assert.Fail();
}
catch (RpcException e)
{
Assert.AreEqual(StatusCode.InvalidArgument, e.Status.StatusCode);
}
var call = client.StreamingInputCall(CreateClientCompressionMetadata(true));
await call.RequestStream.WriteAsync(new StreamingInputCallRequest
{
ExpectCompressed = new BoolValue
{
Value = true
},
Payload = CreateZerosPayload(27182)
});
call.RequestStream.WriteOptions = new WriteOptions(WriteFlags.NoCompress);
await call.RequestStream.WriteAsync(new StreamingInputCallRequest
{
ExpectCompressed = new BoolValue
{
Value = false
},
Payload = CreateZerosPayload(45904)
});
await call.RequestStream.CompleteAsync();
var response = await call.ResponseAsync;
Assert.AreEqual(73086, response.AggregatedPayloadSize);
Console.WriteLine("Passed!");
}
public static async Task RunServerCompressedUnary(TestService.TestServiceClient client)
{
Console.WriteLine("running server_compressed_unary");
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
ResponseCompressed = new BoolValue { Value = true }
};
var response = await client.UnaryCallAsync(request);
// Compression of response message is not verified because there is no API available
Assert.AreEqual(314159, response.Payload.Body.Length);
request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
ResponseCompressed = new BoolValue { Value = false }
};
response = await client.UnaryCallAsync(request);
// Compression of response message is not verified because there is no API available
Assert.AreEqual(314159, response.Payload.Body.Length);
Console.WriteLine("Passed!");
}
public static async Task RunServerCompressedStreamingAsync(TestService.TestServiceClient client)
{
Console.WriteLine("running server_compressed_streaming");
var bodySizes = new List<int> { 31415, 92653 };
var request = new StreamingOutputCallRequest
{
ResponseParameters = { bodySizes.Select((size) => new ResponseParameters { Size = size, Compressed = new BoolValue { Value = true } }) }
};
using (var call = client.StreamingOutputCall(request))
{
// Compression of response message is not verified because there is no API available
var responseList = await call.ResponseStream.ToListAsync();
CollectionAssert.AreEqual(bodySizes, responseList.Select((item) => item.Payload.Body.Length).ToList());
}
Console.WriteLine("Passed!");
}
private static Payload CreateZerosPayload(int size)
{
return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
}
private static Metadata CreateClientCompressionMetadata(bool compressed)
{
var algorithmName = compressed ? "gzip" : "identity";
return new Metadata
{
{ new Metadata.Entry(CompressionRequestAlgorithmMetadataKey, algorithmName) }
};
}
// extracts the client_email field from service account file used for auth test cases
private static string GetEmailFromServiceAccountFile()
{
string keyFile = Environment.GetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS")!;
Assert.IsNotNull(keyFile);
var jobject = JObject.Parse(File.ReadAllText(keyFile));
string email = jobject.GetValue("client_email")!.Value<string>()!;
Assert.IsTrue(email.Length > 0); // spec requires nonempty client email.
return email;
}
private static Metadata CreateTestMetadata()
{
return new Metadata
{
{"x-grpc-test-echo-initial", "test_initial_metadata_value"},
{"x-grpc-test-echo-trailing-bin", new byte[] {0xab, 0xab, 0xab}}
};
}
// TODO(JamesNK): PEM loading logic from https://stackoverflow.com/a/10498045/11829
// .NET does not have a built-in API for loading pem files
// Consider providing ca file in a different format and removing method
private byte[]? GetBytesFromPem(string pemString, string section)
{
var header = string.Format(CultureInfo.InvariantCulture, "-----BEGIN {0}-----", section);
var footer = string.Format(CultureInfo.InvariantCulture, "-----END {0}-----", section);
var start = pemString.IndexOf(header, StringComparison.Ordinal);
if (start == -1)
{
return null;
}
start += header.Length;
var end = pemString.IndexOf(footer, start, StringComparison.Ordinal) - start;
if (end == -1)
{
return null;
}
return Convert.FromBase64String(pemString.Substring(start, end));
}
}
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