blob: 3c55b31443516bef038c01e1844faa54c74fded5 [file] [log] [blame]
/**
* @author: Jeff Thompson
* See COPYING for copyright and distribution information.
*/
#include <cstdlib>
#include <sstream>
#include <iostream>
#include "../ndn-cpp/face.hpp"
using namespace std;
using namespace ndn;
using namespace ptr_lib;
using namespace func_lib;
#if HAVE_STD_FUNCTION
// In the std library, the placeholders are in a different namespace than boost.
using namespace func_lib::placeholders;
#endif
class Counter
{
public:
Counter() {
callbackCount_ = 0;
}
void onData(const ptr_lib::shared_ptr<const Interest>& interest, const ptr_lib::shared_ptr<Data>& data)
{
++callbackCount_;
cout << "Got data packet with name " << data->getName().to_uri() << endl;
for (unsigned int i = 0; i < data->getContent().size(); ++i)
cout << data->getContent()[i];
cout << endl;
}
void onTimeout(const ptr_lib::shared_ptr<const Interest>& interest)
{
++callbackCount_;
cout << "Time out for interest " << interest->getName().toUri() << endl;
}
int callbackCount_;
};
int main(int argc, char** argv)
{
try {
Face face("E.hub.ndn.ucla.edu");
// Counter holds data used by the callbacks.
Counter counter;
Name name1("/ndn/ucla.edu/apps/ndn-js-test/hello.txt/level2/%FD%05%0B%16%7D%95%0E");
cout << "Express name " << name1.toUri() << endl;
// Use bind to pass the counter object to the callbacks.
face.expressInterest(name1, bind(&Counter::onData, &counter, _1, _2), bind(&Counter::onTimeout, &counter, _1));
Name name2("/ndn/ucla.edu/apps/lwndn-test/howdy.txt/%FD%05%05%E8%0C%CE%1D");
cout << "Express name " << name2.toUri() << endl;
face.expressInterest(name2, bind(&Counter::onData, &counter, _1, _2), bind(&Counter::onTimeout, &counter, _1));
Name name3("/test/timeout");
cout << "Express name " << name3.toUri() << endl;
face.expressInterest(name3, bind(&Counter::onData, &counter, _1, _2), bind(&Counter::onTimeout, &counter, _1));
// The main event loop.
while (counter.callbackCount_ < 3) {
face.processEvents();
// We need to sleep for a few milliseconds so we don't use 100% of the CPU.
usleep(10000);
}
} catch (std::exception& e) {
cout << "exception: " << e.what() << endl;
}
return 0;
}