// receive callback
void p2p_receive_handler(const char* data, uint32_t len, struct p2pconnection* p2pcon)
{
//struct p2pconnection* p2pcon = (struct p2pconnection*)arg;
int fd = udp_sock_fd(p2pcon->ulsock, AF_INET);
struct sa* lsa =NULL;
lsa = (struct sa*)mem_zalloc(sizeof(struct sa),NULL);
udp_local_get(p2pcon->ulsock, lsa);
CUDT::postRecv(p2pcon->udtsock, &(lsa->u.sa), data, len);
re_printf("p2p receive data:%s\n", data);
}
// connect callback
void p2p_request_handler(struct p2phandle *p2p, const char* peername, struct p2pconnection **p2pcon)
{
re_fprintf(stderr, "p2p accept from:%s\n", peername);
int err = p2p_accept(p2p, p2pcon, peername, p2p_receive_handler, *p2pcon);
int fdaccept = udp_sock_fd((*p2pcon)->ulsock, AF_INET);
struct sa* lsa = NULL;
lsa = (struct sa*)mem_zalloc(sizeof(struct sa),NULL);
udp_local_get((*p2pcon)->ulsock, lsa);
sa_cpy(lsa, p2p->sactl);
int fdlisten = tcp_conn_fd(p2p->ltcp);
UDPSOCKET udpsock = (UDPSOCKET)fdlisten;
(*p2pcon)->udtsock = CUDT::socket(AF_INET, SOCK_STREAM, 0);
CUDT::bind((*p2pcon)->udtsock, &udpsock, &(p2p->sactl->u.sa), p2p->sactl->len);
CUDT::listen((*p2pcon)->udtsock, &(lsa->u.sa), 10);
if (err)
{
re_fprintf(stderr, "p2p accept error:%s\n", strerror(err));
return ;
}
}
static void print_udp_bufsize(int af)
{
struct udp_sock *us = NULL;
struct sa laddr;
int fd;
int sndbuf;
int rcvbuf;
socklen_t sndbuf_len = sizeof(sndbuf);
socklen_t rcvbuf_len = sizeof(rcvbuf);
int err;
sa_init(&laddr, af);
err = udp_listen(&us, &laddr, NULL, NULL);
if (err) {
warning("test: udp_listen failed (%m)\n", err);
goto out;
}
fd = udp_sock_fd(us, af);
if (-1 == fd) {
warning("test: no udp socket fd\n");
goto out;
}
getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, &sndbuf_len);
getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &rcvbuf, &rcvbuf_len);
re_printf("test: udp socket buffersize for %-8s:"
" SO_SNDBUF=%d SO_RCVBUF=%d\n",
net_af2name(af),
sndbuf, rcvbuf);
out:
mem_deref(us);
}
