libaria2test.cc

#include <iostream>
#include <chrono>

#include <aria2/aria2.h>

int main()
{
  aria2::libraryInit();
  // session is actually singleton: 1 session per process
  aria2::Session* session;
  session = aria2::sessionNew(aria2::KeyVals());
  std::vector<std::string> uris = {
    "http://releases.ubuntu.com/13.04/ubuntu-13.04-desktop-amd64.iso.torrent"
  };
  aria2::KeyVals options = { std::make_pair("dir", "/store") };
  // Add URI
  aria2::A2Gid gid;
  aria2::addUri(session, gid, uris, options);
  auto start = std::chrono::steady_clock::now();
  for(;;) {
    int rv = aria2::run(session, aria2::RUN_ONCE);
    if(rv != 1) {
      break;
    }
    // the application can call aria2 API to add URI or query progress
    // here
    auto now = std::chrono::steady_clock::now();
    auto count = std::chrono::duration_cast<std::chrono::milliseconds>
      (now - start).count();
    if(count >= 500) {
      start = now;
      std::vector<aria2::A2Gid> gids = aria2::getActiveDownload(session);
      std::cout << "== Active Download(s) ==" << std::endl;
      for(auto gid : gids) {
        aria2::DownloadHandle* dh = aria2::getDownloadHandle(session, gid);
        if(dh) {
          std::cout << "[" << aria2::gidToString(gid) << "] "
                    << aria2::downloadGetCompletedLength(dh) << "/"
                    << aria2::downloadGetTotalLength(dh) << " D:"
                    << aria2::downloadGetDownloadSpeed(dh)/1024 << "KiB/s, U:"
                    << aria2::downloadGetUploadSpeed(dh)/1024 << "KiB/s"
                    << std::endl;
          aria2::deleteDownloadHandle(dh);
        }
      }
    }
  }
  int rv = aria2::sessionFinal(session);
  session = 0;
  aria2::libraryDeinit();
  return rv;
}