public void SingleThread()
{
var count = 100;
async Task AsyncFunc()
{
var url = "http://www.w3school.com.cn/";
HttpClient httpClient = new HttpClient();
var start = DateTime.Now;
for (int i = 0; i < count; i++)
{
var data = await httpClient.GetByteArrayAsync(url);
}
var end = DateTime.Now;
TestContext.WriteLine($"HttpClient request {count} times , cost {(end - start).TotalMilliseconds}ms");
Thread.Sleep(2000);
AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
start = DateTime.Now;
for (int i = 0; i < count; i++)
{
var request = new HttpRequest()
{
Uri = new Uri(url)
};
var res = await asyncHttpClient.ExecuteAsync(request);
var data = await res.BodyStream.ReadAsByteArrayAsync();
}
end = DateTime.Now;
TestContext.WriteLine($"AsyncHttpClient request {count} times , cost {(end - start).TotalMilliseconds}ms");
}
var func = AsyncFunc();
func.Wait();
}
public void MultiThread()
{
var thread = 10;
var count = 1000;
var url = "https://www.baidu.com/";
HttpClient httpClient = new HttpClient();
var start = DateTime.Now;
var allTask = new List <Task>();
var counter = 0;
for (int i = 0; i < thread; i++)
{
allTask.Add(Task.Run(async() =>
{
while (true)
{
lock (this)
{
counter++;
if (counter > count + 1)
{
return;
}
}
var data = await httpClient.GetByteArrayAsync(url);
}
}));
}
foreach (var task in allTask)
{
task.Wait();
}
var end = DateTime.Now;
TestContext.WriteLine($"HttpClient {thread} threads request {count} times , cost {(end - start).TotalMilliseconds}ms");
Thread.Sleep(2000);
AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
start = DateTime.Now;
allTask = new List <Task>();
counter = 0;
for (int i = 0; i < thread; i++)
{
allTask.Add(Task.Run(async() =>
{
while (true)
{
lock (this)
{
counter++;
if (counter > count + 1)
{
return;
}
}
var request = new HttpRequest()
{
Uri = new Uri(url)
};
var res = await asyncHttpClient.ExecuteAsync(request);
var data = await res.BodyStream.ReadAsByteArrayAsync();
}
}));
}
foreach (var task in allTask)
{
task.Wait();
}
end = DateTime.Now;
TestContext.WriteLine($"AsyncHttpClient {thread} threads request {count} times , cost {(end - start).TotalMilliseconds}ms");
}
