static async Task Main(string[] args)
{
var channel = GrpcChannel.ForAddress("https://localhost:5001");
var client = new Aggregator.AggregatorClient(channel);
await ServerStreamingCallExample(client);
await ClientStreamingCallExample(client);
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
private static async Task ClientStreamingCallExample(Aggregator.AggregatorClient client)
{
using var call = client.AccumulateCount();
for (var i = 0; i < 3; i++)
{
var count = Random.Next(5);
Console.WriteLine($"Accumulating with {count}");
await call.RequestStream.WriteAsync(new CounterRequest { Count = count });
await Task.Delay(2000);
}
await call.RequestStream.CompleteAsync();
var response = await call;
Console.WriteLine($"Count: {response.Count}");
}
private static async Task ServerStreamingCallExample(Aggregator.AggregatorClient client)
{
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(3.5));
using var call = client.SayHellos(new HelloRequest { Name = "AggregatorClient" }, cancellationToken: cts.Token);
try
{
await foreach (var message in call.ResponseStream.ReadAllAsync())
{
Console.WriteLine("Greeting: " + message.Message);
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
Console.WriteLine("Stream cancelled.");
}
}
private static async Task ServerStreamingCallExample(Aggregator.AggregatorClient client)
{
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(3.5));
using (var replies = client.SayHellos(new HelloRequest {
Name = "AggregatorClient"
}, cancellationToken: cts.Token))
{
try
{
while (await replies.ResponseStream.MoveNext(cts.Token))
{
Console.WriteLine("Greeting: " + replies.ResponseStream.Current.Message);
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
Console.WriteLine("Stream cancelled.");
}
}
}
public static async Task AggregatorServerStreamingCallExample(Aggregator.AggregatorClient client)
{
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(3.0));
using (var replies = client.SayHellos(new HelloRequest {
Name = "张三"
}, cancellationToken: cts.Token))
{
try
{
await foreach (var reply in replies.ResponseStream.ReadAllAsync())
{
Console.WriteLine($"Greeting:{reply.Message}");
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
Console.WriteLine("Stream cancelled.");
}
}
}
static async Task Main(string[] args)
{
// 为客户端配置选项
// 更多配置见：https://docs.microsoft.com/zh-cn/aspnet/core/grpc/configuration?view=aspnetcore-3.0#configure-client-options
var channel = GrpcChannel.ForAddress("https://localhost:5001", new GrpcChannelOptions
{
MaxReceiveMessageSize = 5 * 1024 * 1024, // 5MB
MaxSendMessageSize = 2 * 1024 * 1024 // 2MB
});
var clientGreeter = new Greeter.GreeterClient(channel);
var clientCounter = new Counter.CounterClient(channel);
//var clientRacer = new Racer.RacerClient(channel);
var clientAggregator = new Aggregator.AggregatorClient(channel);
//await UnaryStreamCallExample(clientGreeter);
//await ServerStreamingCallExample(clientGreeter);
//await ClientStreamingCallExample(clientCounter);
//await BidirectionalStreamingExample(clientRacer);
await AggregatorServerStreamingCallExample(clientAggregator);
Console.ReadLine();
}
