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MINOR: quic: extend traces on CID allocation

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Add new traces to detect the CID generation method and also when an
Initial packet is requeued due to CID collision.
This commit is contained in:
Amaury Denoyelle 2025-11-07 09:38:14 +01:00
parent 2623e0a0b7
commit a9d11ab7f3
2 changed files with 11 additions and 4 deletions
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13
src/quic_cid.c
View File

@ -159,13 +159,17 @@ int quic_cid_generate(struct quic_connection_id *conn_id)
conn_id->cid.len = QUIC_HAP_CID_LEN;
if (quic_newcid_from_hash64) {
TRACE_DEVEL("calculate CID value from conn hash", QUIC_EV_CONN_TXPKT, qc);
quic_newcid_from_hash64(conn_id->cid.data, conn_id->cid.len, qc->hash64,
global.cluster_secret, sizeof(global.cluster_secret));
}
else if (RAND_bytes(conn_id->cid.data, conn_id->cid.len) != 1) {
/* TODO: RAND_bytes() should be replaced */
TRACE_ERROR("RAND_bytes() failed", QUIC_EV_CONN_TXPKT, qc);
goto err;
else {
TRACE_DEVEL("generate CID value from random generator", QUIC_EV_CONN_TXPKT, qc);
if (RAND_bytes(conn_id->cid.data, conn_id->cid.len) != 1) {
/* TODO: RAND_bytes() should be replaced */
TRACE_ERROR("RAND_bytes() failed", QUIC_EV_CONN_TXPKT, qc);
goto err;
}
}
if (quic_stateless_reset_token_init(conn_id) != 1) {
@ -202,6 +206,7 @@ int quic_cid_derive_from_odcid(struct quic_connection_id *conn_id,
conn_id->cid.len = QUIC_HAP_CID_LEN;
TRACE_DEVEL("derive CID value from a client ODCID", QUIC_EV_CONN_TXPKT);
/* Derive the new CID value from original CID. */
conn_id->cid = quic_derive_cid(orig, addr);

2
src/quic_rx.c
View File

@ -1798,6 +1798,7 @@ static struct quic_conn *quic_rx_pkt_retrieve_conn(struct quic_rx_packet *pkt,
* <new_tid> will be set to redispatch the
* current packet.
*/
TRACE_STATE("duplicate CID on Initial", QUIC_EV_CONN_LPKT);
pool_free(pool_head_quic_connection_id, conn_id);
quic_conn_release(qc);
qc = NULL;
@ -2346,6 +2347,7 @@ int quic_dgram_parse(struct quic_dgram *dgram, struct quic_conn *from_qc,
*/
if (!qc) {
if (new_tid >= 0) {
TRACE_STATE("re-enqueue packet to conn thread", QUIC_EV_CONN_LPKT);
MT_LIST_APPEND(&quic_dghdlrs[new_tid].dgrams,
&dgram->handler_list);
tasklet_wakeup(quic_dghdlrs[new_tid].task);