/
Demo1Controller.cs
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/
Demo1Controller.cs
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using System.Diagnostics;
using System.Text.Json;
using Microsoft.AspNetCore.Mvc;
namespace WebAppA.Controllers;
public class LabService : ILabService
{
private readonly HttpClient _client;
public LabService(HttpClient client)
{
this._client = client;
}
public IEnumerable<string> Get()
{
var url = "api/default";
var response = this._client.GetAsync(url).GetAwaiter().GetResult();
response.EnsureSuccessStatusCode();
var content = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
var result = JsonSerializer.Deserialize<string[]>(content);
return result;
}
}
public interface ILabService
{
IEnumerable<string> Get();
}
[ApiController]
// [Route("[controller]")]
public class Demo1Controller : ControllerBase
{
private readonly ILogger<Demo1Controller> _logger;
private readonly HttpClient _client;
private readonly HttpClient s_client = new HttpClient
{
BaseAddress = new Uri(serverUrl),
};
private readonly IHttpClientFactory _httpClientFactory;
static string serverUrl = "https://localhost:7004/";
private ILabService _service;
// public Demo1Controller(ILogger<Demo1Controller> logger, ILabService service)
// {
// this._logger = logger;
// this._service = service;
// }
public Demo1Controller(ILogger<Demo1Controller> logger, IHttpClientFactory httpClientFactory)
{
this._logger = logger;
this._httpClientFactory = httpClientFactory;
}
[HttpGet]
[Route("/api/demo1")]
public async Task<ActionResult> Get()
{
var requestId = this.HttpContext.TraceIdentifier;
//header
if (this.Request.Headers.Any())
{
this._logger.LogInformation("1.Id={@RequestId}, At 'Demo1', Receive request headers ={@Headers}", requestId,
this.Request.Headers);
}
//cookie
if (this.Request.Cookies.Any())
{
this._logger.LogInformation("2.Id={@RequestId}, At 'Demo1', Receive request cookie ={@Cookies}", requestId,
this.Request.Cookies);
}
var url = "api/Demo2";
// var client = this._client;
// var client = this.s_client;
var client = this._httpClientFactory.CreateClient("lab");
// var client = new HttpClient()
// {
// BaseAddress = new Uri(serverUrl)
// };
//送出並行請求
// await SendMultiRequest(client, url);
var request = new HttpRequestMessage(HttpMethod.Get, url)
{
Headers =
{
{ "A", "123" },
}
};
var response = await client.SendAsync(request);
if (response.Headers.Any())
{
this._logger.LogInformation("3.Id={@RequestId}, At 'Demo1', Receive response headers ={@Headers}",
requestId,
response.Headers);
}
var responseContent = await response.Content.ReadAsStringAsync();
if (string.IsNullOrWhiteSpace(responseContent) == false)
{
this._logger.LogInformation("4.Id={@RequestId}, At 'Demo1', Receive response body ={@Body}",
requestId,
responseContent);
}
// if (response.Headers.TryGetValues("A", out var a2))
// {
// this._logger.LogInformation("Id={RequestId},Response Header 'A'={Data}", requestId, a2);
// }
//
// if (response.Headers.TryGetValues("B", out var b2))
// {
// this._logger.LogInformation("Id={RequestId},Response Header 'B'={Data}", requestId, b2);
// }
//
// if (response.Headers.TryGetValues("C", out var c2))
// {
// this._logger.LogInformation("Id={RequestId},Response Header 'C'={Data}", requestId, c2);
// }
//
// if (response.Headers.TryGetValues("D", out var d2))
// {
// this._logger.LogInformation("Id={RequestId},Response Header 'D'={Data}", requestId, d2);
// }
//
// //取得 Response Cookies
// if (response.Headers.TryGetValues("Set-Cookie", out var cookies))
// {
// this._logger.LogInformation("Id={RequestId},Response Cookie 'All Cookie'={Data}", requestId, cookies);
// }
return this.Ok();
}
private static async Task SendParallelRequest(HttpClient client, string url)
{
var processTime = new Stopwatch();
processTime.Start();
var tasks = new List<Task>();
while (true)
{
//送出並行請求
var request = new HttpRequestMessage(HttpMethod.Get, url)
{
Headers =
{
{ "A", "123" },
}
};
var task = client.SendAsync(request);
tasks.Add(task);
if (processTime.Elapsed.TotalSeconds > 5)
{
//五秒後就停止
processTime.Stop();
break;
}
}
await Task.WhenAll(tasks);
}
}