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#include <errno.h>
#include <netinet/in.h>
#include <wasi/descriptor_table.h>
#include <wasi/sockets_utils.h>
int tcp_getsockname(tcp_socket_t *socket, struct sockaddr *addr,
socklen_t *addrlen)
{
output_sockaddr_t output_addr;
if (!__wasi_sockets_utils__output_addr_validate(
socket->family, addr, addrlen, &output_addr)) {
errno = EINVAL;
return -1;
}
if (output_addr.tag == OUTPUT_SOCKADDR_NULL) {
errno = EINVAL;
return -1;
}
switch (socket->state.tag) {
case TCP_SOCKET_STATE_UNBOUND:
errno = EINVAL;
return -1;
case TCP_SOCKET_STATE_BOUND:
case TCP_SOCKET_STATE_CONNECTING:
case TCP_SOCKET_STATE_CONNECT_FAILED:
case TCP_SOCKET_STATE_LISTENING:
case TCP_SOCKET_STATE_CONNECTED:
// OK. Continue..
break;
default: /* unreachable */
abort();
}
network_error_code_t error;
network_ip_socket_address_t result;
tcp_borrow_tcp_socket_t socket_borrow =
tcp_borrow_tcp_socket(socket->socket);
if (!tcp_method_tcp_socket_local_address(socket_borrow, &result,
&error)) {
errno = __wasi_sockets_utils__map_error(error);
return -1;
}
__wasi_sockets_utils__output_addr_write(result, &output_addr);
return 0;
}
int tcp_getpeername(tcp_socket_t *socket, struct sockaddr *addr,
socklen_t *addrlen)
{
output_sockaddr_t output_addr;
if (!__wasi_sockets_utils__output_addr_validate(
socket->family, addr, addrlen, &output_addr)) {
errno = EINVAL;
return -1;
}
if (output_addr.tag == OUTPUT_SOCKADDR_NULL) {
errno = EINVAL;
return -1;
}
switch (socket->state.tag) {
case TCP_SOCKET_STATE_UNBOUND:
case TCP_SOCKET_STATE_BOUND:
case TCP_SOCKET_STATE_CONNECTING:
case TCP_SOCKET_STATE_CONNECT_FAILED:
case TCP_SOCKET_STATE_LISTENING:
errno = ENOTCONN;
return -1;
case TCP_SOCKET_STATE_CONNECTED:
// OK. Continue..
break;
default: /* unreachable */
abort();
}
network_error_code_t error;
network_ip_socket_address_t result;
tcp_borrow_tcp_socket_t socket_borrow =
tcp_borrow_tcp_socket(socket->socket);
if (!tcp_method_tcp_socket_remote_address(socket_borrow, &result,
&error)) {
errno = __wasi_sockets_utils__map_error(error);
return -1;
}
__wasi_sockets_utils__output_addr_write(result, &output_addr);
return 0;
}
int udp_getsockname(udp_socket_t *socket, struct sockaddr *addr,
socklen_t *addrlen)
{
output_sockaddr_t output_addr;
if (!__wasi_sockets_utils__output_addr_validate(
socket->family, addr, addrlen, &output_addr)) {
errno = EINVAL;
return -1;
}
if (output_addr.tag == OUTPUT_SOCKADDR_NULL) {
errno = EINVAL;
return -1;
}
switch (socket->state.tag) {
case UDP_SOCKET_STATE_UNBOUND:
errno = EINVAL;
return -1;
case UDP_SOCKET_STATE_BOUND_NOSTREAMS:
case UDP_SOCKET_STATE_BOUND_STREAMING:
case UDP_SOCKET_STATE_CONNECTED:
// OK. Continue..
break;
default: /* unreachable */
abort();
}
network_error_code_t error;
network_ip_socket_address_t result;
udp_borrow_udp_socket_t socket_borrow =
udp_borrow_udp_socket(socket->socket);
if (!udp_method_udp_socket_local_address(socket_borrow, &result,
&error)) {
errno = __wasi_sockets_utils__map_error(error);
return -1;
}
__wasi_sockets_utils__output_addr_write(result, &output_addr);
return 0;
}
int udp_getpeername(udp_socket_t *socket, struct sockaddr *addr,
socklen_t *addrlen)
{
output_sockaddr_t output_addr;
if (!__wasi_sockets_utils__output_addr_validate(
socket->family, addr, addrlen, &output_addr)) {
errno = EINVAL;
return -1;
}
if (output_addr.tag == OUTPUT_SOCKADDR_NULL) {
errno = EINVAL;
return -1;
}
switch (socket->state.tag) {
case UDP_SOCKET_STATE_UNBOUND:
case UDP_SOCKET_STATE_BOUND_NOSTREAMS:
case UDP_SOCKET_STATE_BOUND_STREAMING:
errno = ENOTCONN;
return -1;
case UDP_SOCKET_STATE_CONNECTED:
// OK. Continue..
break;
default: /* unreachable */
abort();
}
network_error_code_t error;
network_ip_socket_address_t result;
udp_borrow_udp_socket_t socket_borrow =
udp_borrow_udp_socket(socket->socket);
if (!udp_method_udp_socket_remote_address(socket_borrow, &result,
&error)) {
errno = __wasi_sockets_utils__map_error(error);
return -1;
}
__wasi_sockets_utils__output_addr_write(result, &output_addr);
return 0;
}
int getsockname(int socket, struct sockaddr *__restrict addr,
socklen_t *__restrict addrlen)
{
descriptor_table_entry_t *entry;
if (!descriptor_table_get_ref(socket, &entry)) {
errno = EBADF;
return -1;
}
switch (entry->tag) {
case DESCRIPTOR_TABLE_ENTRY_TCP_SOCKET:
return tcp_getsockname(&entry->tcp_socket, addr, addrlen);
case DESCRIPTOR_TABLE_ENTRY_UDP_SOCKET:
return udp_getsockname(&entry->udp_socket, addr, addrlen);
default:
errno = EOPNOTSUPP;
return -1;
}
}
int getpeername(int socket, struct sockaddr *__restrict addr,
socklen_t *__restrict addrlen)
{
descriptor_table_entry_t *entry;
if (!descriptor_table_get_ref(socket, &entry)) {
errno = EBADF;
return -1;
}
switch (entry->tag) {
case DESCRIPTOR_TABLE_ENTRY_TCP_SOCKET:
return tcp_getpeername(&entry->tcp_socket, addr, addrlen);
case DESCRIPTOR_TABLE_ENTRY_UDP_SOCKET:
return udp_getpeername(&entry->udp_socket, addr, addrlen);
default:
errno = EOPNOTSUPP;
return -1;
}
}
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