MXS-2196: Pass client DCB to MXS_PROTOCOL::accept

By doing the actual accepting of the new DCB in the core, the protocol
modules can only do the actual protocol level work. This removes some of
the redundant code that was in the protocol modules.
This commit is contained in:
Markus Mäkelä
2018-12-01 20:31:48 +02:00
parent 192562d930
commit 3791fdded7
7 changed files with 122 additions and 156 deletions

View File

@ -63,7 +63,7 @@ static int telnetd_write_event(DCB* dcb);
static int telnetd_write(DCB* dcb, GWBUF* queue);
static int telnetd_error(DCB* dcb);
static int telnetd_hangup(DCB* dcb);
static int telnetd_accept(const SListener& listener);
static int telnetd_accept(DCB*);
static int telnetd_close(DCB* dcb);
static char* telnetd_default_auth();
@ -276,37 +276,31 @@ static int telnetd_hangup(DCB* dcb)
* @param listener The descriptor control block
* @return The number of new connections created
*/
static int telnetd_accept(const SListener& listener)
static int telnetd_accept(DCB* client_dcb)
{
int n_connect = 0;
DCB* client_dcb;
TELNETD* telnetd_protocol = NULL;
while ((client_dcb = dcb_accept(listener)) != NULL)
if ((telnetd_protocol = (TELNETD*)MXS_CALLOC(1, sizeof(TELNETD))) == NULL)
{
TELNETD* telnetd_protocol = NULL;
if ((telnetd_protocol = (TELNETD*)MXS_CALLOC(1, sizeof(TELNETD))) == NULL)
{
dcb_close(client_dcb);
continue;
}
telnetd_protocol->state = TELNETD_STATE_LOGIN;
telnetd_protocol->username = NULL;
client_dcb->protocol = (void*)telnetd_protocol;
client_dcb->session = session_alloc(listener->service(), client_dcb);
if (NULL == client_dcb->session || poll_add_dcb(client_dcb))
{
dcb_close(client_dcb);
continue;
}
ssl_authenticate_client(client_dcb, client_dcb->authfunc.connectssl(client_dcb));
n_connect++;
dcb_printf(client_dcb, "MaxScale login: ");
dcb_close(client_dcb);
return 0;
}
return n_connect;
telnetd_protocol->state = TELNETD_STATE_LOGIN;
telnetd_protocol->username = NULL;
client_dcb->protocol = (void*)telnetd_protocol;
client_dcb->session = session_alloc(client_dcb->service, client_dcb);
if (NULL == client_dcb->session || poll_add_dcb(client_dcb))
{
dcb_close(client_dcb);
return 0;
}
ssl_authenticate_client(client_dcb, client_dcb->authfunc.connectssl(client_dcb));
dcb_printf(client_dcb, "MaxScale login: ");
return 1;
}
/**