blob: 0b2f3978a00a4a7133a287e7f275684ddafb906f [file] [log] [blame]
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#include <stdexcept>
#include "../face.hpp"
#include "../c/util/ndn_realloc.h"
#include "udp-transport.hpp"
using namespace std;
namespace ndn {
UdpTransport::ConnectionInfo::~ConnectionInfo()
{
}
void
UdpTransport::connect(const Transport::ConnectionInfo& connectionInfo, ElementListener& elementListener)
{
const UdpTransport::ConnectionInfo& udpConnectionInfo = dynamic_cast<const UdpTransport::ConnectionInfo&>(connectionInfo);
ndn_Error error;
if ((error = ndn_UdpTransport_connect(&transport_, (char *)udpConnectionInfo.getHost().c_str(), udpConnectionInfo.getPort())))
throw std::runtime_error(ndn_getErrorString(error));
// TODO: This belongs in the socket listener.
const unsigned int initialLength = 1000;
// Automatically cast elementReader_ to (struct ndn_ElementListener *)
ndn_BinaryXmlElementReader_initialize
(&elementReader_, &elementListener, (uint8_t *)malloc(initialLength), initialLength, ndn_realloc);
isConnected_ = true;
elementListener_ = &elementListener;
}
void
UdpTransport::send(const uint8_t *data, unsigned int dataLength)
{
ndn_Error error;
if ((error = ndn_UdpTransport_send(&transport_, (uint8_t *)data, dataLength)))
throw std::runtime_error(ndn_getErrorString(error));
}
void
UdpTransport::processEvents()
{
int receiveIsReady;
ndn_Error error;
if ((error = ndn_UdpTransport_receiveIsReady(&transport_, &receiveIsReady)))
throw std::runtime_error(ndn_getErrorString(error));
if (!receiveIsReady)
return;
uint8_t buffer[8000];
unsigned int nBytes;
if ((error = ndn_UdpTransport_receive(&transport_, buffer, sizeof(buffer), &nBytes)))
throw std::runtime_error(ndn_getErrorString(error));
ndn_BinaryXmlElementReader_onReceivedData(&elementReader_, buffer, nBytes);
}
bool
UdpTransport::getIsConnected()
{
return isConnected_;
}
void
UdpTransport::close()
{
ndn_Error error;
if ((error = ndn_UdpTransport_close(&transport_)))
throw std::runtime_error(ndn_getErrorString(error));
}
UdpTransport::~UdpTransport()
{
if (elementReader_.partialData.array)
// Free the memory allocated in connect.
free(elementReader_.partialData.array);
}
}