easy_info.cpp

#include "curlcpp/curl_easy.h"
#include "curlcpp/curl_ios.h"
#include "curlcpp/curl_exception.h"

using std::ostringstream;

using curl::curl_easy;
using curl::curl_easy_exception;
using curl::curlcpp_traceback;
using curl::curl_ios;

/**
 * This example shows how to use the easy interface and obtain
 * informations about the current session.
 */
int main(int argc, const char **argv) {
    // Let's declare a stream
    ostringstream stream;

    // We are going to put the request's output in the previously declared stream
    curl_ios<ostringstream> ios(stream);

    // Declaration of an easy object
    curl_easy easy(ios);

    // Add some option to the curl_easy object.
    easy.add<CURLOPT_URL>("http://www.google.it");
    easy.add<CURLOPT_FOLLOWLOCATION>(1L);

    try {
        easy.perform();

        // Retrieve information about curl current session.
        auto x = easy.get_info<CURLINFO_CONTENT_TYPE>();

        /**
         * get_info returns a curl_easy_info object. With the get method we retrieve
         * the std::pair object associated with it: the first item is the return code of the
         * request. The second is the element requested by the specified libcurl macro.
         */
        std::cout<<x.get()<<std::endl;

    } catch (curl_easy_exception &error) {
        // If you want to print the last error.
        std::cerr<<error.what()<<std::endl;

        // If you want to print the entire error stack you can do
        error.print_traceback();
    }
    return 0;
}