CLEANUP: session: don't use si_{ic,oc} when we know the session.

During the connection establishment, we needlessly rely on pointer
dereferences.
This commit is contained in:
Willy Tarreau 2014-11-28 15:26:12 +01:00
parent 7b8c4f9661
commit 103197d597

View File

@ -873,14 +873,14 @@ static int sess_update_st_con_tcp(struct session *s)
* attempts and error reports.
*/
if (unlikely(si->flags & (SI_FL_EXP|SI_FL_ERR))) {
if (unlikely(si_oc(si)->flags & CF_WRITE_PARTIAL)) {
if (unlikely(req->flags & CF_WRITE_PARTIAL)) {
/* Some data were sent past the connection establishment,
* so we need to pretend we're established to log correctly
* and let later states handle the failure.
*/
si->state = SI_ST_EST;
si->err_type = SI_ET_DATA_ERR;
si_ic(si)->flags |= CF_READ_ERROR | CF_WRITE_ERROR;
rep->flags |= CF_READ_ERROR | CF_WRITE_ERROR;
return 1;
}
si->exp = TICK_ETERNITY;
@ -963,8 +963,8 @@ static int sess_update_st_cer(struct session *s)
/* shutw is enough so stop a connecting socket */
si_shutw(si);
si_oc(si)->flags |= CF_WRITE_ERROR;
si_ic(si)->flags |= CF_READ_ERROR;
s->req.flags |= CF_WRITE_ERROR;
s->res.flags |= CF_READ_ERROR;
si->state = SI_ST_CLO;
if (s->srv_error)
@ -1082,14 +1082,15 @@ static void sess_update_stream_int(struct session *s)
{
struct server *srv = objt_server(s->target);
struct stream_interface *si = &s->si[1];
struct channel *req = &s->req;
DPRINTF(stderr,"[%u] %s: sess=%p rq=%p, rp=%p, exp(r,w)=%u,%u rqf=%08x rpf=%08x rqh=%d rqt=%d rph=%d rpt=%d cs=%d ss=%d\n",
now_ms, __FUNCTION__,
s,
s->req, s->rep,
s->req.rex, s->res.wex,
s->req.flags, s->res.flags,
s->req.buf->i, s->req.buf->o, s->res.buf->i, s->res.buf->o, s->si[0].state, s->req.cons->state);
req, s->rep,
req->rex, s->res.wex,
req->flags, s->res.flags,
req->buf->i, req->buf->o, s->res.buf->i, s->res.buf->o, s->si[0].state, req->cons->state);
if (si->state == SI_ST_ASS) {
/* Server assigned to connection request, we have to try to connect now */
@ -1131,7 +1132,7 @@ static void sess_update_stream_int(struct session *s)
/* Failed and not retryable. */
si_shutr(si);
si_shutw(si);
si_oc(si)->flags |= CF_WRITE_ERROR;
req->flags |= CF_WRITE_ERROR;
s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
@ -1180,7 +1181,7 @@ static void sess_update_stream_int(struct session *s)
s->be->be_counters.failed_conns++;
si_shutr(si);
si_shutw(si);
si_oc(si)->flags |= CF_WRITE_TIMEOUT;
req->flags |= CF_WRITE_TIMEOUT;
if (!si->err_type)
si->err_type = SI_ET_QUEUE_TO;
si->state = SI_ST_CLO;
@ -1190,9 +1191,9 @@ static void sess_update_stream_int(struct session *s)
}
/* Connection remains in queue, check if we have to abort it */
if ((si_oc(si)->flags & (CF_READ_ERROR)) ||
((si_oc(si)->flags & CF_SHUTW_NOW) && /* empty and client aborted */
(channel_is_empty(si_oc(si)) || s->be->options & PR_O_ABRT_CLOSE))) {
if ((req->flags & (CF_READ_ERROR)) ||
((req->flags & CF_SHUTW_NOW) && /* empty and client aborted */
(channel_is_empty(req) || s->be->options & PR_O_ABRT_CLOSE))) {
/* give up */
si->exp = TICK_ETERNITY;
s->logs.t_queue = tv_ms_elapsed(&s->logs.tv_accept, &now);
@ -1210,9 +1211,9 @@ static void sess_update_stream_int(struct session *s)
}
else if (si->state == SI_ST_TAR) {
/* Connection request might be aborted */
if ((si_oc(si)->flags & (CF_READ_ERROR)) ||
((si_oc(si)->flags & CF_SHUTW_NOW) && /* empty and client aborted */
(channel_is_empty(si_oc(si)) || s->be->options & PR_O_ABRT_CLOSE))) {
if ((req->flags & (CF_READ_ERROR)) ||
((req->flags & CF_SHUTW_NOW) && /* empty and client aborted */
(channel_is_empty(req) || s->be->options & PR_O_ABRT_CLOSE))) {
/* give up */
si->exp = TICK_ETERNITY;
si_shutr(si);
@ -1304,7 +1305,7 @@ static void sess_prepare_conn_req(struct session *s)
si_shutr(si);
si_shutw(si);
si_oc(si)->flags |= CF_WRITE_ERROR;
s->req.flags |= CF_WRITE_ERROR;
si->err_type = SI_ET_CONN_RES;
si->state = SI_ST_CLO;
if (s->srv_error)
@ -1331,7 +1332,7 @@ static void sess_prepare_conn_req(struct session *s)
/* we did not get any server, let's check the cause */
si_shutr(si);
si_shutw(si);
si_oc(si)->flags |= CF_WRITE_ERROR;
s->req.flags |= CF_WRITE_ERROR;
if (!si->err_type)
si->err_type = SI_ET_CONN_OTHER;
si->state = SI_ST_CLO;