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MINOR: mux-h2/trace: add a state trace on stream creation/destruction

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Logging below the developer level doesn't always yield very convenient
traces as we don't know well where streams are allocated nor released.
Let's just make that more explicit by using state-level traces for these
important steps.
This commit is contained in:
Willy Tarreau 2024-08-07 15:35:30 +02:00
parent cc12d1b253
commit 23417ab9d4
1 changed files with 4 additions and 0 deletions
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4
src/mux_h2.c
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@ -1556,6 +1556,7 @@ static inline void h2s_close(struct h2s *h2s)
{ {
if (h2s->st != H2_SS_CLOSED) { if (h2s->st != H2_SS_CLOSED) {
TRACE_ENTER(H2_EV_H2S_END, h2s->h2c->conn, h2s); TRACE_ENTER(H2_EV_H2S_END, h2s->h2c->conn, h2s);
TRACE_STATE("releasing H2 stream", H2_EV_H2S_NEW, h2s->h2c->conn, h2s);
h2s->h2c->nb_streams--; h2s->h2c->nb_streams--;
if (!h2s->id) if (!h2s->id)
h2s->h2c->nb_reserved--; h2s->h2c->nb_reserved--;
@ -1757,6 +1758,8 @@ static struct h2s *h2c_frt_stream_new(struct h2c *h2c, int id, struct buffer *in
/* OK done, the stream lives its own life now */ /* OK done, the stream lives its own life now */
if (h2_frt_has_too_many_sc(h2c)) if (h2_frt_has_too_many_sc(h2c))
h2c->flags |= H2_CF_DEM_TOOMANY; h2c->flags |= H2_CF_DEM_TOOMANY;
TRACE_STATE("created new H2 front stream", H2_EV_H2S_NEW, h2c->conn, h2s);
TRACE_LEAVE(H2_EV_H2S_NEW, h2c->conn); TRACE_LEAVE(H2_EV_H2S_NEW, h2c->conn);
return h2s; return h2s;
@ -1814,6 +1817,7 @@ static struct h2s *h2c_bck_stream_new(struct h2c *h2c, struct stconn *sc, struct
se_fl_set(h2s->sd, SE_FL_MAY_FASTFWD_CONS); se_fl_set(h2s->sd, SE_FL_MAY_FASTFWD_CONS);
/* on the backend we can afford to only count total streams upon success */ /* on the backend we can afford to only count total streams upon success */
h2c->stream_cnt++; h2c->stream_cnt++;
TRACE_STATE("created new H2 back stream", H2_EV_H2S_NEW, h2c->conn, h2s);
out: out:
if (likely(h2s)) if (likely(h2s))