138 lines
4.6 KiB
C#
138 lines
4.6 KiB
C#
#region Copyright notice and license
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// Copyright 2015-2016 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Grpc.Core;
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using Grpc.Core.Utils;
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namespace Math
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{
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public static class MathExamples
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{
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public static void DivExample(Math.MathClient client)
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{
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DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
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Console.WriteLine("Div Result: " + result);
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}
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public static async Task DivAsyncExample(Math.MathClient client)
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{
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DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
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Console.WriteLine("DivAsync Result: " + result);
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}
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public static async Task FibExample(Math.MathClient client)
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{
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using (var call = client.Fib(new FibArgs { Limit = 5 }))
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{
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List<Num> result = await call.ResponseStream.ToListAsync();
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Console.WriteLine("Fib Result: " + string.Join("|", result));
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}
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}
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public static async Task SumExample(Math.MathClient client)
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{
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var numbers = new List<Num>
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{
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new Num { Num_ = 1 },
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new Num { Num_ = 2 },
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new Num { Num_ = 3 }
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};
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using (var call = client.Sum())
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{
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await call.RequestStream.WriteAllAsync(numbers);
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Console.WriteLine("Sum Result: " + await call.ResponseAsync);
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}
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}
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public static async Task DivManyExample(Math.MathClient client)
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{
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var divArgsList = new List<DivArgs>
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{
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new DivArgs { Dividend = 10, Divisor = 3 },
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new DivArgs { Dividend = 100, Divisor = 21 },
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new DivArgs { Dividend = 7, Divisor = 2 }
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};
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using (var call = client.DivMany())
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{
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await call.RequestStream.WriteAllAsync(divArgsList);
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Console.WriteLine("DivMany Result: " + string.Join("|", await call.ResponseStream.ToListAsync()));
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}
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}
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public static async Task DependentRequestsExample(Math.MathClient client)
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{
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var numbers = new List<Num>
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{
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new Num { Num_ = 1 },
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new Num { Num_ = 2 },
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new Num { Num_ = 3 }
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};
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Num sum;
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using (var sumCall = client.Sum())
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{
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await sumCall.RequestStream.WriteAllAsync(numbers);
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sum = await sumCall.ResponseAsync;
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}
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DivReply result = await client.DivAsync(new DivArgs { Dividend = sum.Num_, Divisor = numbers.Count });
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Console.WriteLine("Avg Result: " + result);
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}
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/// <summary>
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/// Shows how to handle a call ending with non-OK status.
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/// </summary>
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public static async Task HandleErrorExample(Math.MathClient client)
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{
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try
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{
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DivReply result = await client.DivAsync(new DivArgs { Dividend = 5, Divisor = 0 });
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}
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catch (RpcException ex)
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{
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Console.WriteLine(string.Format("RPC ended with status {0}", ex.Status));
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}
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}
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/// <summary>
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/// Shows how to send request headers and how to access response headers
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/// and response trailers.
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/// </summary>
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public static async Task MetadataExample(Math.MathClient client)
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{
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var requestHeaders = new Metadata
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{
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{ "custom-header", "custom-value" }
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};
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var call = client.DivAsync(new DivArgs { Dividend = 5, Divisor = 0 }, requestHeaders);
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// Get response headers
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Metadata responseHeaders = await call.ResponseHeadersAsync;
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var result = await call;
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// Get response trailers after the call has finished.
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Metadata responseTrailers = call.GetTrailers();
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}
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}
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}
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