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testServer.cpp
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testServer.cpp
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#include <iostream>
#include <string>
#include <fstream>
#include <ndn-cxx/face.hpp>
#include <ndn-cxx/security/key-chain.hpp>
#include <cstdlib>
#include <algorithm>
#include <time.h>
char *namePrefix = new char[256];
const int MAX_FILE_SIZE = 64*1024*1024;
size_t xxx = 0;
std::string itoa(int value, int base) {
enum { kMaxDigits = 35 };
std::string buf;
buf.reserve( kMaxDigits ); // Pre-allocate enough space.
if (base < 2 || base > 16) return buf;
int quotient = value;
do {
buf += "0123456789abcdef"[ std::abs( quotient % base ) ];
quotient /= base;
} while ( quotient );
if ( value < 0 && base == 10) buf += '-';
std::reverse( buf.begin(), buf.end() );
return buf;
}
int count = 0;
namespace ndn{
class NdnServer:noncopyable{
public:
size_t m_TotalSegNum;
size_t m_ContentSize;
size_t m_SegmentSize;
size_t m_FileSize;
size_t m_TotalPacketNum;
char *fileBuffer = new char[MAX_FILE_SIZE];
NdnServer(std::string fileName, size_t segSize, size_t contentsize, int signORnot){
using namespace std;
isSign = signORnot;
ifstream fin(fileName.c_str(), fstream::binary);
fin.seekg(0, fin.end);
m_FileSize = fin.tellg();
fin.seekg(0, fin.beg);
fin.read(fileBuffer, m_FileSize);
fin.close();
m_SegmentSize = segSize * 1024;
m_ContentSize = contentsize * 1024;
m_TotalPacketNum = m_FileSize / m_ContentSize + 1;
cout << "Finish reading file\n";
std::cout << "Total file size:\t" << m_FileSize << std::endl ;
std::cout << "m_SegmentSize is:\t" << m_SegmentSize << std::endl ;
std::cout << "m_TotalSegNum is:\t" << m_FileSize / m_SegmentSize + 1 << std::endl ;
std::cout << "m_ContentSize is:\t" << m_ContentSize << std::endl ;
std::cout << "Total packet num is:\t" << m_FileSize / m_ContentSize + 1 << std::endl ;
timeval start, end;
gettimeofday(&start, 0);
for(int id = 0;id < m_TotalPacketNum; id++){
Name fileName = Name("askfile");
fileName.appendNumber(xxx);
fileName.appendSegment(1024);
fileName.appendSegmentOffset(id);
shared_ptr<Data> data = make_shared<Data>(fileName);
if(isSign == 1)
m_keyChain.sign(*data);
else
m_keyChain.signWithSha256(*data);
m_store.push_back(data);
if(id == m_TotalPacketNum - 1)
std::cout <<"Finish signing last datapacket\n";
}
gettimeofday(&end, 0);
double totalTime =(1000000.0 * (end.tv_sec - start.tv_sec) + end.tv_usec - start.tv_usec ) / 1000000;
std::cout << "Signing cost is:\t" << totalTime <<" s" << std::endl;
};
void run(){
m_face.setInterestFilter(namePrefix, bind(&NdnServer::onHelloInterest, this, _1, _2), RegisterPrefixSuccessCallback(), bind(&NdnServer::onRegisterFailed, this, _1, _2));
m_face.setInterestFilter("askfile", bind(&NdnServer::onFileInterest, this, _1, _2), RegisterPrefixSuccessCallback(), bind(&NdnServer::onRegisterFailed, this, _1, _2));
std::cout << "start process events\n";
m_face.processEvents();
}
private:
Face m_face;
KeyChain m_keyChain;
std::vector<shared_ptr<Data>> m_store;
bool isSign;
void onHelloInterest(const InterestFilter& filter, const Interest& interest){
// std::cout <<"Received hello interest\n";
std::cout << "\n\n\n----------this is test No. " <<++count << "------\n"<< std::endl;
Name fileName(interest.getName());
int *content = new int[3];
content[0] = m_FileSize;
content[1] = m_SegmentSize;
content[2] = m_ContentSize;
fileBuffer = new char[m_FileSize];
shared_ptr<Data> data = make_shared<Data>();
data->setName(fileName);
data->setFreshnessPeriod(time::seconds(10));
data->setContent(reinterpret_cast<const uint8_t*>(content), 3 * sizeof(int));
m_keyChain.sign(*data);
// m_keyChain.signWithSha256(*data);
m_face.put(*data);
}
void onFileInterest(const InterestFilter& filter, const Interest& interest){
int currentPacketID = interest.getName().get(-1).toSegmentOffset();
m_face.put(*m_store[currentPacketID]);
std::cout <<"RECEVE INTerest, send data id:\t" << currentPacketID << std::endl;
}
void onRegisterFailed(const Name& prefix, const std::string& reason){
std::cerr <<"ERROR: Failed to register prefix \"" << prefix << "\" in local hub's daemon("<< reason << ")\n";
m_face.shutdown();
}
};
}
int main(int argc, char* argv[]){
namePrefix = argv[1];
std::string fileName = "/home/hult/server-file/acg.mkv";
xxx = atoi(argv[5]);
ndn::NdnServer mServer(fileName,atoi(argv[2]), atoi(argv[3]), atoi(argv[4]) );
try{
mServer.run();
}catch(const std::exception& e){
std::cerr <<"ERROR:\t" << e.what() <<std::endl;
}
return 0;
}