int
tcp_listen(struct tcb *ptcb, struct tcp_hdr* mbuf)
{
printf("tcp_listen called\n");
struct tcb *new_ptcb = NULL;
new_ptcb = alloc_tcb();
if(new_ptcb == NULL) {
printf("Null tcb'\n");
return 0;
}
// memcpy(new_ptcb, ptcb, sizeof(struct tcb));
new_ptcb->state = SYN_RECV;
new_ptcb->dport = ptcb->dport;
new_ptcb->sport = mbuf->src_port;
new_ptcb->ipv4_dst = ptcb->ipv4_dst;
new_ptcb->ipv4_src = ptcb->ipv4_src;
// set src port;
// set ips.
ptcb->newpTcbOnAccept = new_ptcb;
pthread_mutex_lock(&(ptcb->mutex));
pthread_cond_signal(&(ptcb->condAccept));
pthread_mutex_unlock(&(ptcb->mutex));
//printf("sending ack\n");
//sendack(new_ptcb);
sendsynack(new_ptcb);
//sendsynack(ptcb);
return 0;
}
int
socket_open(STREAM_TYPE stream)
{
struct tcb *ptcb;
ptcb = alloc_tcb();
return ptcb->identifier;
}
int
socket_open(STREAM_TYPE stream)
{
struct tcb *ptcb;
(void) stream;
// future set this as default instead of 2000.
ptcb = alloc_tcb(2000, 2000);
printf("socket open allocated tcb %p\n", ptcb);
return ptcb->identifier;
}
