简单的异步HTTP服务端和客户端
/// <summary>
/// 异步Http服务器
/// </summary>
class AsyncHttpServer
{
readonly HttpListener _listener;
//相应信息
const string RESPONSE_TEMPLATE = "<html><head><title>Test</title></head><body><h2>Test page</h2><h4>Today is: {0}</h4></body></html>";
public AsyncHttpServer(int portNumber)
{
_listener = new HttpListener();
_listener.Prefixes.Add(string.Format("http://+:{0}/", portNumber));
}
public async Task Start()
{
_listener.Start();
while (true)
{
var ctx = await _listener.GetContextAsync();
Console.WriteLine("Client connected...");
var response = string.Format(RESPONSE_TEMPLATE, DateTime.Now);
using (var sw = new StreamWriter(ctx.Response.OutputStream))
{
await sw.WriteAsync(response);
await sw.FlushAsync();
}
}
}
public async Task Stop()
{
_listener.Abort();
}
}
/// <summary>
/// 客户端获取响应信息
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
static async Task GetResponseAsync(string url)
{
using (var client = new HttpClient())
{
HttpResponseMessage responseMessage = await client.GetAsync(url);
string responseHeaders = responseMessage.Headers.ToString();
string response = await responseMessage.Content.ReadAsStringAsync();
Console.WriteLine("Response headers:");
Console.WriteLine(responseHeaders);
Console.WriteLine("Response body:");
Console.WriteLine(response);
}
}
注: 以管理员身份运行程序
