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#ifndef WIN32
#include <unistd.h>
#include <cstdlib>
#include <cstring>
#include <netdb.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#include <wspiapi.h>
#endif
#include <iostream>
#include <udt.h>
#include "cc.h"
using namespace std;
#ifndef WIN32
void* monitor(void*);
#else
DWORD WINAPI monitor(LPVOID);
#endif
int main(int argc, char* argv[])
{
if ((3 != argc) || (0 == atoi(argv[2])))
{
cout << "usage: appclient server_ip server_port" << endl;
return 0;
}
// use this function to initialize the UDT library
UDT::startup();
struct addrinfo hints, *local, *peer;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_flags = AI_PASSIVE;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
//hints.ai_socktype = SOCK_DGRAM;
if (0 != getaddrinfo(NULL, "9000", &hints, &local))
{
cout << "incorrect network address.\n" << endl;
return 0;
}
UDTSOCKET client = UDT::socket(local->ai_family, local->ai_socktype, local->ai_protocol);
// UDT Options
//UDT::setsockopt(client, 0, UDT_CC, new CCCFactory<CUDPBlast>, sizeof(CCCFactory<CUDPBlast>));
//UDT::setsockopt(client, 0, UDT_MSS, new int(9000), sizeof(int));
//UDT::setsockopt(client, 0, UDT_SNDBUF, new int(10000000), sizeof(int));
//UDT::setsockopt(client, 0, UDP_SNDBUF, new int(10000000), sizeof(int));
// Windows UDP issue
// For better performance, modify HKLM\System\CurrentControlSet\Services\Afd\Parameters\FastSendDatagramThreshold
#ifdef WIN32
UDT::setsockopt(client, 0, UDT_MSS, new int(1052), sizeof(int));
#endif
// for rendezvous connection, enable the code below
/*
UDT::setsockopt(client, 0, UDT_RENDEZVOUS, new bool(true), sizeof(bool));
if (UDT::ERROR == UDT::bind(client, local->ai_addr, local->ai_addrlen))
{
cout << "bind: " << UDT::getlasterror().getErrorMessage() << endl;
return 0;
}
*/
freeaddrinfo(local);
if (0 != getaddrinfo(argv[1], argv[2], &hints, &peer))
{
cout << "incorrect server/peer address. " << argv[1] << ":" << argv[2] << endl;
return 0;
}
// connect to the server, implict bind
if (UDT::ERROR == UDT::connect(client, peer->ai_addr, peer->ai_addrlen))
{
cout << "connect: " << UDT::getlasterror().getErrorMessage() << endl;
return 0;
}
freeaddrinfo(peer);
// using CC method
//CUDPBlast* cchandle = NULL;
//int temp;
//UDT::getsockopt(client, 0, UDT_CC, &cchandle, &temp);
//if (NULL != cchandle)
// cchandle->setRate(500);
int size = 100000;
char* data = new char[size];
#ifndef WIN32
pthread_create(new pthread_t, NULL, monitor, &client);
#else
CreateThread(NULL, 0, monitor, &client, 0, NULL);
#endif
for (int i = 0; i < 1000000; i ++)
{
int ssize = 0;
int ss;
while (ssize < size)
{
if (UDT::ERROR == (ss = UDT::send(client, data + ssize, size - ssize, 0)))
{
cout << "send:" << UDT::getlasterror().getErrorMessage() << endl;
break;
}
ssize += ss;
}
if (ssize < size)
break;
}
UDT::close(client);
delete [] data;
// use this function to release the UDT library
UDT::cleanup();
return 1;
}
#ifndef WIN32
void* monitor(void* s)
#else
DWORD WINAPI monitor(LPVOID s)
#endif
{
UDTSOCKET u = *(UDTSOCKET*)s;
UDT::TRACEINFO perf;
cout << "SendRate(Mb/s)\tRTT(ms)\tCWnd\tPktSndPeriod(us)\tRecvACK\tRecvNAK" << endl;
while (true)
{
#ifndef WIN32
sleep(1);
#else
Sleep(1000);
#endif
if (UDT::ERROR == UDT::perfmon(u, &perf))
{
cout << "perfmon: " << UDT::getlasterror().getErrorMessage() << endl;
break;
}
cout << perf.mbpsSendRate << "\t\t"
<< perf.msRTT << "\t"
<< perf.pktCongestionWindow << "\t"
<< perf.usPktSndPeriod << "\t\t\t"
<< perf.pktRecvACK << "\t"
<< perf.pktRecvNAK << endl;
}
#ifndef WIN32
return NULL;
#else
return 0;
#endif
}
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