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#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.Threading.Tasks;
using Grpc.Core;
using Grpc.Core.Utils;
namespace Math
{
public static class MathExamples
{
public static void DivExample(Math.MathClient client)
{
DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
Console.WriteLine("Div Result: " + result);
}
public static async Task DivAsyncExample(Math.MathClient client)
{
DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
Console.WriteLine("DivAsync Result: " + result);
}
public static async Task FibExample(Math.MathClient client)
{
using (var call = client.Fib(new FibArgs { Limit = 5 }))
{
List<Num> result = await call.ResponseStream.ToListAsync();
Console.WriteLine("Fib Result: " + string.Join("|", result));
}
}
public static async Task SumExample(Math.MathClient client)
{
var numbers = new List<Num>
{
new Num { Num_ = 1 },
new Num { Num_ = 2 },
new Num { Num_ = 3 }
};
using (var call = client.Sum())
{
await call.RequestStream.WriteAllAsync(numbers);
Console.WriteLine("Sum Result: " + await call.ResponseAsync);
}
}
public static async Task DivManyExample(Math.MathClient client)
{
var divArgsList = new List<DivArgs>
{
new DivArgs { Dividend = 10, Divisor = 3 },
new DivArgs { Dividend = 100, Divisor = 21 },
new DivArgs { Dividend = 7, Divisor = 2 }
};
using (var call = client.DivMany())
{
await call.RequestStream.WriteAllAsync(divArgsList);
Console.WriteLine("DivMany Result: " + string.Join("|", await call.ResponseStream.ToListAsync()));
}
}
public static async Task DependendRequestsExample(Math.MathClient client)
{
var numbers = new List<Num>
{
new Num { Num_ = 1 },
new Num { Num_ = 2 },
new Num { Num_ = 3 }
};
Num sum;
using (var sumCall = client.Sum())
{
await sumCall.RequestStream.WriteAllAsync(numbers);
sum = await sumCall.ResponseAsync;
}
DivReply result = await client.DivAsync(new DivArgs { Dividend = sum.Num_, Divisor = numbers.Count });
Console.WriteLine("Avg Result: " + result);
}
/// <summary>
/// Shows how to handle a call ending with non-OK status.
/// </summary>
public static async Task HandleErrorExample(Math.MathClient client)
{
try
{
DivReply result = await client.DivAsync(new DivArgs { Dividend = 5, Divisor = 0 });
}
catch (RpcException ex)
{
Console.WriteLine(string.Format("RPC ended with status {0}", ex.Status));
}
}
/// <summary>
/// Shows how to send request headers and how to access response headers
/// and response trailers.
/// </summary>
public static async Task MetadataExample(Math.MathClient client)
{
var requestHeaders = new Metadata
{
{ "custom-header", "custom-value" }
};
var call = client.DivAsync(new DivArgs { Dividend = 5, Divisor = 0 }, requestHeaders);
// Get response headers
Metadata responseHeaders = await call.ResponseHeadersAsync;
var result = await call;
// Get response trailers after the call has finished.
Metadata responseTrailers = call.GetTrailers();
}
}
}
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