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#include <boost/thread.hpp>
#include <boost/random.hpp>
#include <boost/nondet_random.hpp>
#include <list>
#include <curl/curl.h>
size_t failed_threads = 0, success_threads = 0;
size_t curl_data_callback(void *contents, size_t size, size_t nmemb, void *userp)
{
return size * nmemb;
}
std::string get_random(int length)
{
std::string chars("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890");
std::string data;
try{
boost::random_device rng;
boost::variate_generator<boost::random_device&, boost::uniform_int<> > gen(rng, boost::uniform_int<>(0, chars.length()-1));
for(int i = 0; i < length; ++i)
data += chars[gen()];
}
catch(const std::exception &e)
{
data.clear();
for(int i = 0; i < length; ++i)
data += "a";
return data;
}
return data;
}
class curl_test
{
public:
curl_test(const char* d): s(d), finished(false), thr(NULL){}
void start()
{
thr = new boost::thread(boost::bind(curl_test::test, s, this));
}
~curl_test()
{
delete thr;
}
static void test(const std::string &s, curl_test *c)
{
CURL *curl = NULL;
curl = curl_easy_init();
if(!curl)
return;
std::string url = s;
url += "/";
url += get_random(5);
url += "/";
url += get_random(3);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_USERAGENT, "tuk-tuk/0.1");
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 2);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 2);
//curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 0);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &curl_data_callback);
time_t start = time(0);
CURLcode error = curl_easy_perform(curl);
if(!error)
success_threads++;
double t = time(0) - start;
curl_easy_cleanup(curl);
c->finished = true;
}
const std::string s;
bool finished;
private:
boost::thread *thr;
};
std::list<curl_test> threads;
void threads_count()
{
while(true)
{
std::cout<<"Runninng: "<<threads.size()<<" threads"<<std::endl;
if(failed_threads)
std::cout<<"Failed to start: "<<failed_threads<<" threads"<<std::endl;
std::cout<<"Correct server reply recieved in "<<success_threads<<" threads"<<std::endl;
boost::this_thread::sleep(boost::posix_time::seconds(3));
}
}
int main(int argc, char *argv[])
{
if(argc == 3)
{
new boost::thread(boost::bind(threads_count));
int max_threads = atoi(argv[2]);
for(;;)
{
while(threads.size() >= max_threads)
{
for(std::list<curl_test>::iterator i = threads.begin(), end = threads.end(); i != end; ++i)
{
if(i->finished)
{
threads.erase(i);
i = threads.begin(), end = threads.end();
}
}
boost::this_thread::sleep(boost::posix_time::milliseconds(10));
}
try{
threads.push_back(curl_test(argv[1]));
threads.back().start();
}
catch(const std::exception &e)
{
failed_threads++;
}
}
}
else
std::cout<<"usage: "<<argv[0]<<" base_url threads_count"<<std::endl;
return 0;
}
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