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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"
#include "test_util.h"
using namespace std;
#ifndef WIN32
void* recvdata(void*);
#else
DWORD WINAPI recvdata(LPVOID);
#endif
int main(int argc, char* argv[])
{
if ((1 != argc) && ((2 != argc) || (0 == atoi(argv[1]))))
{
cout << "usage: appserver [server_port]" << endl;
return 0;
}
// Automatically start up and clean up UDT module.
UDTUpDown _udt_;
addrinfo hints;
addrinfo* res;
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;
string service("9000");
if (2 == argc)
service = argv[1];
if (0 != getaddrinfo(NULL, service.c_str(), &hints, &res))
{
cout << "illegal port number or port is busy.\n" << endl;
return 0;
}
UDTSOCKET serv = UDT::socket(res->ai_family, res->ai_socktype, res->ai_protocol);
// UDT Options
//UDT::setsockopt(serv, 0, UDT_CC, new CCCFactory<CUDPBlast>, sizeof(CCCFactory<CUDPBlast>));
//UDT::setsockopt(serv, 0, UDT_MSS, new int(9000), sizeof(int));
//UDT::setsockopt(serv, 0, UDT_RCVBUF, new int(10000000), sizeof(int));
//UDT::setsockopt(serv, 0, UDP_RCVBUF, new int(10000000), sizeof(int));
if (UDT::ERROR == UDT::bind(serv, res->ai_addr, res->ai_addrlen))
{
cout << "bind: " << UDT::getlasterror().getErrorMessage() << endl;
return 0;
}
freeaddrinfo(res);
cout << "server is ready at port: " << service << endl;
if (UDT::ERROR == UDT::listen(serv, 10))
{
cout << "listen: " << UDT::getlasterror().getErrorMessage() << endl;
return 0;
}
sockaddr_storage clientaddr;
int addrlen = sizeof(clientaddr);
UDTSOCKET recver;
while (true)
{
if (UDT::INVALID_SOCK == (recver = UDT::accept(serv, (sockaddr*)&clientaddr, &addrlen)))
{
cout << "accept: " << UDT::getlasterror().getErrorMessage() << endl;
return 0;
}
char clienthost[NI_MAXHOST];
char clientservice[NI_MAXSERV];
getnameinfo((sockaddr *)&clientaddr, addrlen, clienthost, sizeof(clienthost), clientservice, sizeof(clientservice), NI_NUMERICHOST|NI_NUMERICSERV);
cout << "new connection: " << clienthost << ":" << clientservice << endl;
#ifndef WIN32
pthread_t rcvthread;
pthread_create(&rcvthread, NULL, recvdata, new UDTSOCKET(recver));
pthread_detach(rcvthread);
#else
CreateThread(NULL, 0, recvdata, new UDTSOCKET(recver), 0, NULL);
#endif
}
UDT::close(serv);
return 0;
}
#ifndef WIN32
void* recvdata(void* usocket)
#else
DWORD WINAPI recvdata(LPVOID usocket)
#endif
{
UDTSOCKET recver = *(UDTSOCKET*)usocket;
delete (UDTSOCKET*)usocket;
char* data;
int size = 100000;
data = new char[size];
while (true)
{
int rsize = 0;
int rs;
while (rsize < size)
{
int rcv_size;
int var_size = sizeof(int);
UDT::getsockopt(recver, 0, UDT_RCVDATA, &rcv_size, &var_size);
if (UDT::ERROR == (rs = UDT::recv(recver, data + rsize, size - rsize, 0)))
{
cout << "recv:" << UDT::getlasterror().getErrorMessage() << endl;
break;
}
rsize += rs;
}
if (rsize < size)
break;
}
delete [] data;
UDT::close(recver);
#ifndef WIN32
return NULL;
#else
return 0;
#endif
}
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