blob: 4defc29eda45118df442bfb350f04505cba75087 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (c) 2013-2014 Regents of the University of California.
* @author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
* BSD License, see COPYING for copyright and distribution information.
*/
// correct way to include NDN-CPP headers
// #include <ndn-cpp-dev/face.hpp>
// #include <ndn-cpp-dev/security/key-chain.hpp>
#include "face.hpp"
#include "security/key-chain.hpp"
// Enclosing code in ndn simplifies coding (can also use `using namespace ndn`)
namespace ndn {
// Additional nested namespace could be used to prevent/limit name contentions
namespace examples {
class Producer
{
public:
void
onInterest(const Name& name, const Interest& interest)
{
std::cout << "<< I: " << interest << std::endl;
// Create new name, based on Interest's name
Name dataName(interest.getName());
dataName
.append("testApp") // add "testApp" component to Interest name
.appendVersion(); // add "version" component (current UNIX timestamp in milliseconds)
static const std::string content = "HELLO KITTY";
// Create Data packet
Data data;
data.setName(dataName);
data.setFreshnessPeriod(time::seconds(10));
data.setContent(Block(content.c_str(), content.size()));
// Sign Data packet with default identity
m_keyChain.sign(data);
// m_keyChain.sign(data, <identityName>);
// m_keyChain.sign(data, <certificate>);
// Return Data packet to the requester
std::cout << ">> D: " << data << std::endl;
m_face.put(data);
}
void
onRegisterFailed(const Name& prefix, const std::string& reason)
{
std::cerr << "ERROR: Failed to register prefix in local hub's daemon (" << reason << ")" << std::endl;
m_face.shutdown();
}
void
run()
{
m_face.setInterestFilter("/localhost/testApp",
bind(&Producer::onInterest, this, _1, _2),
bind(&Producer::onRegisterFailed, this, _1, _2));
m_face.processEvents();
}
private:
Face m_face;
KeyChain m_keyChain;
};
} // namespace examples
} // namespace ndn
int
main(int argc, char** argv)
{
try {
ndn::examples::Producer producer;
producer.run();
}
catch (std::exception& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
}
return 0;
}