int client_connected (client_t *c)
{
if (c->sock == MAX_SOCK_NUM)
return 0;
unsigned s = client_status (c);
return ! (s == SnSR_LISTEN || s == SnSR_CLOSED || s == SnSR_FIN_WAIT ||
(s == SnSR_CLOSE_WAIT && ! client_available (c)));
}
int client_peek (client_t *c)
{
uint8_t b;
// Unlike recv, peek doesn't check to see if there's any data available, so we must
if (! client_available (c))
return -1;
b = socket_peek (c->sock);
return b;
}
int server_available (client_t *client)
{
unsigned sock;
server_accept();
for (sock = 0; sock < MAX_SOCK_NUM; sock++) {
client_init_sock (client, sock);
if (_socket_port[sock] == _server_port &&
(client_status (client) == SnSR_ESTABLISHED ||
client_status (client) == SnSR_CLOSE_WAIT)) {
if (client_available (client)) {
// XXX: don't always pick the lowest numbered socket.
return 1;
}
}
}
return 0;
}
void server_accept()
{
unsigned sock;
client_t client;
int listening = 0;
for (sock = 0; sock < MAX_SOCK_NUM; sock++) {
client_init_sock (&client, sock);
if (_socket_port[sock] == _server_port) {
if (client_status (&client) == SnSR_LISTEN) {
listening = 1;
}
else if (client_status (&client) == SnSR_CLOSE_WAIT &&
! client_available (&client)) {
client_stop (&client);
}
}
}
if (! listening) {
server_init (_server_port);
}
}
void client_flush (client_t *c)
{
while (client_available (c))
client_getc (c);
}