基本原理是访问稳定的网页来测试速度，或者利用稳定的下载地址来测速，比如QQ.EXE

网页粒度小 测试没有 下载地址 稳定准确

界面MFC完成，网络API使用CURL

HttpClient.cpp

#include "stdafx.h"

#include"HttpClient.h"

#include "HttpRequest.h"

#include "HttpRespone.h"

#include "curl.h"

#include

#include

using namespace std;

static int write_data(void *buffer, size_t size, size_t buffer_size, void *_respone)

{

HttpRespone *respone = (HttpRespone*)_respone;

HttpRequest*request = respone->getHttpRequest();

respone->writeData(buffer, buffer_size);

//request->release();

const HttpCallBack & x = request->getHttpCallback();

x(request, respone);

return buffer_size;

}

HttpClient* HttpClient::getInstance()

{

static HttpClient*ins = nullptr;

if (ins == nullptr)

{

ins = new HttpClient;

}

return ins;

}

void HttpClient::doRequest_curl(HttpRequest*request)

{

HttpRespone *respone = HttpRespone::create();

CURL*easy_handle = curl_easy_init();

curl_easy_setopt(easy_handle, CURLOPT_URL, request->getUrl().c_str());

curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_data);

curl_easy_setopt(easy_handle, CURLOPT_WRITEDATA, respone);

respone->setHttpRequest(request);

request->setCURLhandle(easy_handle);

// perform

auto succ = curl_easy_perform(easy_handle);

}

void HttpClient::workFunc()

{

while (true)

{

HttpRequest* request;

_mutex.lock();

if (_queue_request.size() <= 0)

{

_condition.wait(_mutex);

}

request = _queue_request.front();

_queue_request.pop();

_mutex.unlock();

//log("net thread %d", _queue_request.size());

this->doRequest_curl(request);

}

}

void HttpClient::setTimeoutForConnect(int t)

{

this->_time_connect = t;

}

void HttpClient::setTimeoutForRead(int t)

{

this->_time_read = t;

}

HttpClient::HttpClient()

{

this->_time_connect = 5;

this->_time_read = 10;

curl_global_init(CURL_GLOBAL_WIN32);

/*auto t = std::thread([=]

{

this->workFunc();

});

t.detach();

*/

}

void HttpClient::send(HttpRequest*request)

{

//request->retain();

/*_mutex.lock();

_queue_request.push(request);

_mutex.unlock();

_condition.notify_one();

*/

this->doRequest_curl(request);

}

HttpClient::~HttpClient()

{

_condition.notify_all();

}

按钮响应事件

int total = 0;

int max = 0;

int min = 0xffffff;

char s[500];

for (int i = 0; i < 10; i++)

{

int sp = download();

total += sp;

sprintf(s, "%d KB/s", sp);

_txt_current.SetWindowTextW(toUnicode(s));

_size_total = 0;

sprintf(s, "%d KB/s", total / (i + 1));

_txt_total.SetWindowTextW(toUnicode(s));

if (sp > max)

{

max = sp;

sprintf(s, "%d KB/s", max);

_txt_max.SetWindowTextW(toUnicode(s));

}

if (sp < min)

{

min = sp;

sprintf(s, "%d KB/s", min);

_txt_min.SetWindowTextW(toUnicode(s));

}

}

sprintf(s, "0 KB/s");

_txt_current.SetWindowTextW(toUnicode(s));

MessageBox(_T("测速完成"), _T("完成"), MB_OK);

download函数

static int download()

{

CURL *curl;

CURLcode res;

struct FtpFile ftpfile = {

"1.exe",

NULL

};

curl = curl_easy_init();

int t = clock();

if (curl) {

//http://www.winrar.com.cn/download/wrar531scp.exe

curl_easy_setopt(curl, CURLOPT_URL, "http://www.qq.com");

curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);，

curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ftpfile);

curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);

//curl_easy_setopt(curl, CURLOPT_USERPWD, "SUREN:SUREN");

t1 = clock();

res = curl_easy_perform(curl);

curl_easy_cleanup(curl);

}

if (ftpfile.stream)

{

fclose(ftpfile.stream);

}

//log("1.txt", " %d S %d KB/S %d KB", (clock() - t), _size_total/(clock() - t), _size_total / 1024);

return _size_total / (clock() - t);

}