/**
* Handler for the EPOLLIN event when the DCB refers to the listening
* socket for the protocol.
*
* @param dcb The descriptor control block
* @return The number of new connections created
*/
static int
telnetd_accept(DCB *dcb)
{
int n_connect = 0;
while (1)
{
int so;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(struct sockaddr);
DCB *client_dcb;
TELNETD* telnetd_pr = NULL;
dcb_state_t old_state = DCB_STATE_UNDEFINED;
bool succp = FALSE;
so = accept(dcb->fd, (struct sockaddr *)&addr, &addrlen);
if (so == -1)
return n_connect;
else
{
atomic_add(&dcb->stats.n_accepts, 1);
client_dcb = dcb_alloc(DCB_ROLE_REQUEST_HANDLER);
if (client_dcb == NULL)
{
return n_connect;
}
client_dcb->fd = so;
client_dcb->remote = strdup(inet_ntoa(addr.sin_addr));
memcpy(&client_dcb->func, &MyObject, sizeof(GWPROTOCOL));
client_dcb->session =
session_alloc(dcb->session->service, client_dcb);
telnetd_pr = (TELNETD *)malloc(sizeof(TELNETD));
client_dcb->protocol = (void *)telnetd_pr;
if (telnetd_pr == NULL)
{
dcb_add_to_zombieslist(client_dcb);
return n_connect;
}
if (poll_add_dcb(client_dcb) == -1)
{
dcb_add_to_zombieslist(dcb);
return n_connect;
}
n_connect++;
telnetd_pr->state = TELNETD_STATE_LOGIN;
telnetd_pr->username = NULL;
dcb_printf(client_dcb, "MaxScale login: ");
}
}
return n_connect;
}
/**
* test1 Allocate a dcb and do lots of other things
*
*/
static int
test1()
{
DCB *dcb, *extra, *clone;
int size = 100;
int bite1 = 35;
int bite2 = 60;
int bite3 = 10;
int buflen;
/* Single buffer tests */
ss_dfprintf(stderr,
"testdcb : creating buffer with type DCB_ROLE_SERVICE_LISTENER");
dcb = dcb_alloc(DCB_ROLE_SERVICE_LISTENER);
printDCB(dcb);
ss_info_dassert(dcb_isvalid(dcb), "New DCB must be valid");
ss_dfprintf(stderr, "\t..done\nAllocated dcb.");
clone = dcb_clone(dcb);
ss_dfprintf(stderr, "\t..done\nCloned dcb");
printAllDCBs();
ss_info_dassert(true, "Something is true");
ss_dfprintf(stderr, "\t..done\n");
dcb_free(dcb);
ss_dfprintf(stderr, "Freed original dcb");
ss_info_dassert(!dcb_isvalid(dcb), "Freed DCB must not be valid");
ss_dfprintf(stderr, "\t..done\nMake clone DCB a zombie");
clone->state = DCB_STATE_NOPOLLING;
dcb_add_to_zombieslist(clone);
ss_info_dassert(dcb_get_zombies() == clone, "Clone DCB must be start of zombie list now");
ss_dfprintf(stderr, "\t..done\nProcess the zombies list");
dcb_process_zombies(0);
ss_dfprintf(stderr, "\t..done\nCheck clone no longer valid");
ss_info_dassert(!dcb_isvalid(clone), "After zombie processing, clone DCB must not be valid");
ss_dfprintf(stderr, "\t..done\n");
return 0;
}
