static bool _check_init(){
if(PR_INVALID_IO_LAYER == _udpt_desc_identity) {
udt_startup();
_udpt_desc_identity = PR_GetUniqueIdentity("udptransport");
}
return true;
}
int main(int argc, char* argv[])
{
if ((3 != argc) || (0 == atoi(argv[2])))
{
printf("usage: client server_ip server_port\n");
return -1;
}
if (udt_startup() != 0)
{
printf("udt : startup failed:%s\n", udt_getlasterror_desc());
return -1;
}
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, argv[2], &hints, &local))
{
printf("incorrect network address.\n");
return -1;
}
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));
//UDT::setsockopt(client, 0, UDT_MAXBW, new int64_t(12500000), sizeof(int));
// 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))
{
printf("incorrect server/peer address. %s:%s\n", argv[1], argv[2]);
return -1;
}
// connect to the server, implict bind
if (UDT_ERROR == udt_connect(client, peer->ai_addr, peer->ai_addrlen))
{
printf("connect: %s\n", udt_getlasterror_desc());
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);
char* data = malloc(sizeof(char) * DATA_LEN);
memset(data, 'a', DATA_LEN);
struct timeval t1, t2;
gettimeofday(&t1, NULL);
for (int i = 0; i < N_SEND; i ++)
{
//printf("i = %d\n", i);
if (UDT_ERROR == udt_send(client, data, DATA_LEN, 0))
{
printf("send:%s\n", udt_getlasterror_desc());
break;
}
}
gettimeofday(&t2, NULL);
int elapsedTime = (t2.tv_sec - t1.tv_sec) * 1000.0; // sec to ms
elapsedTime += (t2.tv_usec - t1.tv_usec) / 1000.0; // us to ms
printf("finished to write data in %d milliseconds\n", elapsedTime);
udt_close(client);
free(data);
if (udt_cleanup() != 0) {
printf("cleanup:%s", udt_getlasterror_desc());
}
return 0;
}