/// <summary>
/// 全双流模式
/// </summary>
/// <param name="channel"></param>
/// <returns></returns>
static async Task TwoWayStream(GrpcChannel channel)
{
var client = new Example.ExampleClient(channel);
using var call = client.StreamingBothWays();
Console.WriteLine("Starting background task to receive messages");
var readTask = Task.Run(async() =>
{
await foreach (var response in call.ResponseStream.ReadAllAsync())
{
Console.WriteLine($"res:{response.Result}");
}
});
Console.WriteLine("Starting to send messages");
Console.WriteLine("Type a message to echo then press enter.");
while (true)
{
var result = Console.ReadLine();
if (string.IsNullOrEmpty(result))
{
break;
}
await call.RequestStream.WriteAsync(new ExampleRequest { ReqStr = "Hello" });
}
Console.WriteLine("Disconnecting");
await call.RequestStream.CompleteAsync();
await readTask;
}
/// <summary>
/// 一元调用
/// </summary>
/// <returns></returns>
static async Task UnaryCall(GrpcChannel channel)
{
var client = new Example.ExampleClient(channel);
var response = await client.UnaryCallAsync(new ExampleRequest()
{
ReqStr = "Hello "
});
Console.WriteLine("Greeting: " + response.Result);
}
/// <summary>
/// 服务端流调用
/// </summary>
/// <param name="channel"></param>
/// <returns></returns>
static async Task ServeStreamCall(GrpcChannel channel)
{
var client = new Example.ExampleClient(channel);
using var call = client.StreamingFromServer(new ExampleRequest
{ ReqStr = "Hello " });
while (await call.ResponseStream.MoveNext())
{
var response = call.ResponseStream.Current;
Console.WriteLine($"res:{response.Result}");
}
}
/// <summary>
/// 客户端流式处理调用
/// </summary>
/// <param name="channel"></param>
/// <returns></returns>
static async Task ClientStreamCall(GrpcChannel channel)
{
var client = new Example.ExampleClient(channel);
using var call = client.StreamingFromClient();
for (var i = 0; i < 3; i++)
{
await call.RequestStream.WriteAsync(new ExampleRequest { ReqStr = "Hello" });
Console.WriteLine($"ClientStreamCall{DateTime.Now.ToString()}");
await Task.Delay(2000);
}
//这里就是告诉服务端 我已经发送完毕了
await call.RequestStream.CompleteAsync();
var response = await call;
Console.WriteLine($"res:{response.Result}");
}
