Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Examples/MathExamples.cs

+#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.Threading.Tasks;
+using Grpc.Core.Utils;
+
+namespace Math
+{
+    public static class MathExamples
+    {
+        public static void DivExample(Math.IMathClient client)
+        {
+            DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
+            Console.WriteLine("Div Result: " + result);
+        }
+
+        public static async Task DivAsyncExample(Math.IMathClient client)
+        {
+            DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
+            Console.WriteLine("DivAsync Result: " + result);
+        }
+
+        public static async Task FibExample(Math.IMathClient 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.IMathClient 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.IMathClient 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.IMathClient 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);
+        }
+    }
+}