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http_client.cc
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http_client.cc
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/*
Mathieu Stefani, 07 février 2016
* Http client example
*/
#include <atomic>
#include <pistache/net.h>
#include <pistache/http.h>
#include <pistache/client.h>
using namespace Pistache;
using namespace Pistache::Http;
int main(int argc, char *argv[]) {
if (argc < 2) {
std::cerr << "Usage: http_client page [count]" << std::endl;
return 1;
}
std::string page = argv[1];
int count = 1;
if (argc == 3) {
count = std::stoi(argv[2]);
}
Http::Client client;
auto opts = Http::Client::options()
.threads(1)
.maxConnectionsPerHost(8);
client.init(opts);
std::vector<Async::Promise<Http::Response>> responses;
std::atomic<size_t> completedRequests(0);
std::atomic<size_t> failedRequests(0);
auto start = std::chrono::system_clock::now();
for (int i = 0; i < count; ++i) {
auto resp = client.get(page).cookie(Http::Cookie("FOO", "bar")).send();
resp.then([&](Http::Response response) {
++completedRequests;
std::cout << "Response code = " << response.code() << std::endl;
auto body = response.body();
if (!body.empty())
std::cout << "Response body = " << body << std::endl;
}, Async::IgnoreException);
responses.push_back(std::move(resp));
}
auto sync = Async::whenAll(responses.begin(), responses.end());
Async::Barrier<std::vector<Http::Response>> barrier(sync);
barrier.wait_for(std::chrono::seconds(5));
auto end = std::chrono::system_clock::now();
std::cout << "Summary of execution" << std::endl
<< "Total number of requests sent : " << count << std::endl
<< "Total number of responses received: " << completedRequests.load() << std::endl
<< "Total number of requests failed : " << failedRequests.load() << std::endl
<< "Total time of execution : "
<< std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() << "ms" << std::endl;
client.shutdown();
}