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MINOR: h3: add traces on frame recv

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Add h3 traces events for several received frames : SETTINGS, HEADERS and
DATA.
This commit is contained in:
Amaury Denoyelle 2022-05-30 15:50:34 +02:00
parent 016aa93088
commit 494512d00f
1 changed files with 18 additions and 0 deletions
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18
src/h3.c
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@ -43,6 +43,14 @@ static void h3_trace(enum trace_level level, uint64_t mask,
const void *a1, const void *a2, const void *a3, const void *a4);
static const struct trace_event h3_trace_events[] = {
#define H3_EV_RX_FRAME (1ULL << 0)
{ .mask = H3_EV_RX_FRAME, .name = "rx_frame", .desc = "receipt of any H3 frame" },
#define H3_EV_RX_DATA (1ULL << 1)
{ .mask = H3_EV_RX_DATA, .name = "rx_data", .desc = "receipt of H3 DATA frame" },
#define H3_EV_RX_HDR (1ULL << 2)
{ .mask = H3_EV_RX_HDR, .name = "rx_hdr", .desc = "receipt of H3 HEADERS frame" },
#define H3_EV_RX_SETTINGS (1ULL << 3)
{ .mask = H3_EV_RX_SETTINGS, .name = "rx_settings", .desc = "receipt of H3 SETTINGS frame" },
{ }
};
@ -320,6 +328,8 @@ static int h3_headers_to_htx(struct qcs *qcs, struct ncbuf *buf, uint64_t len,
struct ist authority = IST_NULL;
int hdr_idx;
TRACE_ENTER(H3_EV_RX_FRAME|H3_EV_RX_HDR, qcs->qcc->conn, qcs);
/* TODO support buffer wrapping */
BUG_ON(ncb_head(buf) + len >= ncb_wrap(buf));
if (qpack_decode_fs((const unsigned char *)ncb_head(buf), len, tmp, list) < 0)
@ -392,6 +402,7 @@ static int h3_headers_to_htx(struct qcs *qcs, struct ncbuf *buf, uint64_t len,
b_free(&htx_buf);
offer_buffers(NULL, 1);
TRACE_LEAVE(H3_EV_RX_FRAME|H3_EV_RX_HDR, qcs->qcc->conn, qcs);
return len;
}
@ -410,6 +421,8 @@ static int h3_data_to_htx(struct qcs *qcs, struct ncbuf *buf, uint64_t len,
int htx_space;
char *head;
TRACE_ENTER(H3_EV_RX_FRAME|H3_EV_RX_DATA, qcs->qcc->conn, qcs);
appbuf = qc_get_buf(qcs, &qcs->rx.app_buf);
BUG_ON(!appbuf);
htx = htx_from_buf(appbuf);
@ -456,6 +469,8 @@ static int h3_data_to_htx(struct qcs *qcs, struct ncbuf *buf, uint64_t len,
out:
htx_to_buf(htx, appbuf);
TRACE_LEAVE(H3_EV_RX_FRAME|H3_EV_RX_DATA, qcs->qcc->conn, qcs);
return htx_sent;
}
@ -471,6 +486,8 @@ static size_t h3_parse_settings_frm(struct h3c *h3c, const struct ncbuf *rxbuf,
size_t ret = 0;
long mask = 0; /* used to detect duplicated settings identifier */
TRACE_ENTER(H3_EV_RX_FRAME|H3_EV_RX_SETTINGS, h3c->qcc->conn);
b = h3_b_dup(rxbuf);
b_set_data(&b, len);
@ -531,6 +548,7 @@ static size_t h3_parse_settings_frm(struct h3c *h3c, const struct ncbuf *rxbuf,
}
}
TRACE_LEAVE(H3_EV_RX_FRAME|H3_EV_RX_SETTINGS);
return ret;
}