MINOR: mux-h1: remove the now unneeded h1s->cs

There is always an endpoint link in a stream, and this endpoint link
contains a pointer to the conn_stream it's attached to, so the one in
the h1 stream is always duplicate now. Let's always use endp->cs
instead and get rid of it.
This commit is contained in:
Willy Tarreau 2022-05-10 10:25:41 +02:00
parent efb4618c6e
commit 56d5a819d7

View File

@ -118,7 +118,6 @@ struct h1c {
/* H1 stream descriptor */
struct h1s {
struct h1c *h1c;
struct conn_stream *cs;
struct cs_endpoint *endp;
uint32_t flags; /* Connection flags: H1S_F_* */
@ -430,8 +429,8 @@ static void h1_trace(enum trace_level level, uint64_t mask, const struct trace_s
chunk_appendf(&trace_buf, " h1s=%p(0x%08x)", h1s, h1s->flags);
if (h1s->endp)
chunk_appendf(&trace_buf, " endp=%p(0x%08x)", h1s->endp, h1s->endp->flags);
if (h1s->cs)
chunk_appendf(&trace_buf, " cs=%p(0x%08x)", h1s->cs, h1s->cs->flags);
if (h1s->endp && h1s->endp->cs)
chunk_appendf(&trace_buf, " cs=%p(0x%08x)", h1s->endp->cs, h1s->endp->cs->flags);
}
if (src->verbosity == H1_VERB_MINIMAL)
@ -727,8 +726,7 @@ static struct conn_stream *h1s_new_cs(struct h1s *h1s, struct buffer *input)
if (h1s->req.flags & H1_MF_UPG_WEBSOCKET)
h1s->endp->flags |= CS_EP_WEBSOCKET;
h1s->cs = cs_new_from_mux(h1s->endp, h1c->conn->owner, input);
if (!h1s->cs) {
if (!cs_new_from_mux(h1s->endp, h1c->conn->owner, input)) {
TRACE_ERROR("CS allocation failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, h1c->conn, h1s);
goto err;
}
@ -738,7 +736,7 @@ static struct conn_stream *h1s_new_cs(struct h1s *h1s, struct buffer *input)
h1c->flags = (h1c->flags & ~H1C_F_ST_EMBRYONIC) | H1C_F_ST_ATTACHED | H1C_F_ST_READY;
TRACE_LEAVE(H1_EV_STRM_NEW, h1c->conn, h1s);
return h1s->cs;
return h1s->endp->cs;
err:
TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1c->conn, h1s);
@ -749,14 +747,14 @@ static struct conn_stream *h1s_upgrade_cs(struct h1s *h1s, struct buffer *input)
{
TRACE_ENTER(H1_EV_STRM_NEW, h1s->h1c->conn, h1s);
if (stream_upgrade_from_cs(h1s->cs, input) < 0) {
if (stream_upgrade_from_cs(h1s->endp->cs, input) < 0) {
TRACE_ERROR("stream upgrade failure", H1_EV_STRM_NEW|H1_EV_STRM_END|H1_EV_STRM_ERR, h1s->h1c->conn, h1s);
goto err;
}
h1s->h1c->flags |= H1C_F_ST_READY;
TRACE_LEAVE(H1_EV_STRM_NEW, h1s->h1c->conn, h1s);
return h1s->cs;
return h1s->endp->cs;
err:
TRACE_DEVEL("leaving on error", H1_EV_STRM_NEW|H1_EV_STRM_ERR, h1s->h1c->conn, h1s);
@ -777,7 +775,6 @@ static struct h1s *h1s_new(struct h1c *h1c)
h1s->h1c = h1c;
h1c->h1s = h1s;
h1s->sess = NULL;
h1s->cs = NULL;
h1s->endp = NULL;
h1s->flags = H1S_F_WANT_KAL;
h1s->subs = NULL;
@ -818,7 +815,6 @@ static struct h1s *h1c_frt_stream_new(struct h1c *h1c, struct conn_stream *cs, s
if (cs) {
if (cs_attach_mux(cs, h1s, h1c->conn) < 0)
goto fail;
h1s->cs = cs;
h1s->endp = cs->endp;
}
else {
@ -860,7 +856,6 @@ static struct h1s *h1c_bck_stream_new(struct h1c *h1c, struct conn_stream *cs, s
goto fail;
h1s->flags |= H1S_F_RX_BLK;
h1s->cs = cs;
h1s->endp = cs->endp;
h1s->sess = sess;
@ -1417,11 +1412,11 @@ static void h1_capture_bad_message(struct h1c *h1c, struct h1s *h1s,
struct proxy *other_end;
union error_snapshot_ctx ctx;
if ((h1c->flags & H1C_F_ST_ATTACHED) && cs_strm(h1s->cs)) {
if ((h1c->flags & H1C_F_ST_ATTACHED) && cs_strm(h1s->endp->cs)) {
if (sess == NULL)
sess = __cs_strm(h1s->cs)->sess;
sess = __cs_strm(h1s->endp->cs)->sess;
if (!(h1m->flags & H1_MF_RESP))
other_end = __cs_strm(h1s->cs)->be;
other_end = __cs_strm(h1s->endp->cs)->be;
else
other_end = sess->fe;
} else
@ -1891,7 +1886,7 @@ static size_t h1_process_demux(struct h1c *h1c, struct buffer *buf, size_t count
if (!(h1c->flags & H1C_F_ST_ATTACHED)) {
TRACE_DEVEL("request headers fully parsed, create and attach the CS", H1_EV_RX_DATA, h1c->conn, h1s);
BUG_ON(h1s->cs);
BUG_ON(h1s->endp->cs);
if (!h1s_new_cs(h1s, buf)) {
h1c->flags |= H1C_F_ST_ERROR;
goto err;
@ -1899,7 +1894,7 @@ static size_t h1_process_demux(struct h1c *h1c, struct buffer *buf, size_t count
}
else {
TRACE_DEVEL("request headers fully parsed, upgrade the inherited CS", H1_EV_RX_DATA, h1c->conn, h1s);
BUG_ON(h1s->cs == NULL);
BUG_ON(h1s->endp->cs == NULL);
if (!h1s_upgrade_cs(h1s, buf)) {
h1c->flags |= H1C_F_ST_ERROR;
TRACE_ERROR("H1S upgrade failure", H1_EV_RX_DATA|H1_EV_H1S_ERR, h1c->conn, h1s);
@ -1908,7 +1903,7 @@ static size_t h1_process_demux(struct h1c *h1c, struct buffer *buf, size_t count
}
}
/* Here h1s->cs is always defined */
/* Here h1s->endp->cs is always defined */
if (!(h1m->flags & H1_MF_CHNK) && (h1m->state == H1_MSG_DATA || (h1m->state == H1_MSG_TUNNEL))) {
TRACE_STATE("notify the mux can use splicing", H1_EV_RX_DATA|H1_EV_RX_BODY, h1c->conn, h1s);
h1s->endp->flags |= CS_EP_MAY_SPLICE;
@ -2624,9 +2619,9 @@ static void h1_alert(struct h1s *h1s)
h1_wake_stream_for_recv(h1s);
h1_wake_stream_for_send(h1s);
}
else if (h1s->cs && h1s->cs->data_cb->wake != NULL) {
else if (h1s->endp->cs && h1s->endp->cs->data_cb->wake != NULL) {
TRACE_POINT(H1_EV_STRM_WAKE, h1s->h1c->conn, h1s);
h1s->cs->data_cb->wake(h1s->cs);
h1s->endp->cs->data_cb->wake(h1s->endp->cs);
}
}
@ -3345,7 +3340,7 @@ static struct conn_stream *h1_get_first_cs(const struct connection *conn)
struct h1s *h1s = h1c->h1s;
if (h1s)
return h1s->cs;
return h1s->endp->cs;
return NULL;
}
@ -3378,7 +3373,6 @@ static void h1_detach(struct conn_stream *cs)
sess = h1s->sess;
h1c = h1s->h1c;
h1s->cs = NULL;
sess->accept_date = date;
sess->tv_accept = now;
@ -3917,7 +3911,7 @@ static int h1_show_fd(struct buffer *msg, struct connection *conn)
chunk_appendf(msg, " .endp.flg=0x%08x", h1s->endp->flags);
if (!(h1s->endp->flags & CS_EP_ORPHAN))
chunk_appendf(msg, " .cs.flg=0x%08x .cs.app=%p",
h1s->cs->flags, h1s->cs->app);
h1s->endp->cs->flags, h1s->endp->cs->app);
}
chunk_appendf(&trash, " .subs=%p", h1s->subs);
if (h1s->subs) {