socket_internal_t *socket_base_get_socket(int s)
{
if (socket_base_exists_socket(s)) {
return &(socket_base_sockets[s - 1]);
}
else {
return NULL;
}
}
bool udp_socket_compliancy(int s)
{
if ((socket_base_exists_socket(s)) &&
(socket_base_get_socket(s)->socket_values.domain == PF_INET6) &&
(socket_base_get_socket(s)->socket_values.type == SOCK_DGRAM) &&
((socket_base_get_socket(s)->socket_values.protocol == IPPROTO_UDP) ||
(socket_base_get_socket(s)->socket_values.protocol == 0))) {
return true;
}
else {
return false;
}
}
int udp_bind_socket(int s, sockaddr6_t *name, int namelen, uint8_t pid)
{
int i;
if (!socket_base_exists_socket(s)) {
return -1;
}
for (i = 1; i < MAX_SOCKETS + 1; i++) {
if (udp_socket_compliancy(i) &&
(socket_base_get_socket(i)->socket_values.local_address.sin6_port == name->sin6_port)) {
return -1;
}
}
memcpy(&socket_base_get_socket(s)->socket_values.local_address, name, namelen);
socket_base_get_socket(s)->recv_pid = pid;
return 0;
}
int socket_base_bind(int s, sockaddr6_t *addr, int addrlen)
{
if (socket_base_exists_socket(s)) {
socket_t *current_socket = &socket_base_get_socket(s)->socket_values;
switch (current_socket->domain) {
case (PF_INET): {
/* Not provided */
return -1;
break;
}
case (PF_INET6): {
switch (current_socket->type) {
/* TCP */
case (SOCK_STREAM): {
if ((current_socket->protocol == 0) ||
(current_socket->protocol == IPPROTO_TCP)) {
return tcp_bind_socket(s, addr, addrlen,
thread_getpid());
break;
}
else {
return -1;
break;
}
break;
}
/* UDP */
case (SOCK_DGRAM): {
if ((current_socket->protocol == 0) ||
(current_socket->protocol == IPPROTO_UDP)) {
return udp_bind_socket(s, addr, addrlen,
thread_getpid());
break;
}
else {
return -1;
break;
}
break;
}
case (SOCK_SEQPACKET): {
/* not provided */
return -1;
break;
}
case (SOCK_RAW): {
/* not provided */
return -1;
break;
}
default: {
return -1;
break;
}
}
break;
}
case (PF_UNIX): {
/* Not provided */
return -1;
break;
}
}
}
else {
printf("SOCKET DOES NOT EXIST!\n");
return -1;
}
return -1;
}