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MINOR: quic: qc_prep_pkts() code moving

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Move the switch default case code out of the switch to improve the readibily.
This commit is contained in:
Frédéric Lécaille 2021-12-29 17:18:21 +01:00
parent 5732062cd2
commit 63556772cc
1 changed files with 43 additions and 42 deletions
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85
src/xprt_quic.c
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@ -2468,50 +2468,51 @@ static int qc_prep_pkts(struct quic_conn *qc, struct qring *qr)
}
goto out;
default:
/* This is to please to GCC. We cannot have (err >= 0 && !cur_pkt) */
if (!cur_pkt)
goto err;
total += cur_pkt->len;
/* keep trace of the first packet in the datagram */
if (!first_pkt)
first_pkt = cur_pkt;
/* Attach the current one to the previous one */
if (prv_pkt)
prv_pkt->next = cur_pkt;
/* Let's say we have to build a new dgram */
prv_pkt = NULL;
dglen += cur_pkt->len;
/* Discard the Initial encryption keys as soon as
* a handshake packet could be built.
*/
if (HA_ATOMIC_LOAD(&qc->state) == QUIC_HS_ST_CLIENT_INITIAL &&
pkt_type == QUIC_PACKET_TYPE_HANDSHAKE) {
quic_tls_discard_keys(&qc->els[QUIC_TLS_ENC_LEVEL_INITIAL]);
TRACE_PROTO("discarding Initial pktns", QUIC_EV_CONN_PHPKTS, qc);
quic_pktns_discard(qc->els[QUIC_TLS_ENC_LEVEL_INITIAL].pktns, qc);
qc_set_timer(qc);
HA_ATOMIC_STORE(&qc->state, QUIC_HS_ST_CLIENT_HANDSHAKE);
}
/* If the data for the current encryption level have all been sent,
* select the next level.
*/
if ((tel == QUIC_TLS_ENC_LEVEL_INITIAL || tel == QUIC_TLS_ENC_LEVEL_HANDSHAKE) &&
(MT_LIST_ISEMPTY(&qel->pktns->tx.frms))) {
/* If QUIC_TLS_ENC_LEVEL_HANDSHAKE was already reached let's try QUIC_TLS_ENC_LEVEL_APP */
if (tel == QUIC_TLS_ENC_LEVEL_HANDSHAKE && next_tel == tel)
next_tel = QUIC_TLS_ENC_LEVEL_APP;
tel = next_tel;
qel = &qc->els[tel];
if (!MT_LIST_ISEMPTY(&qel->pktns->tx.frms)) {
/* If there is data for the next level, do not
* consume a datagram.
*/
prv_pkt = cur_pkt;
}
}
break;
}
/* This is to please to GCC. We cannot have (err >= 0 && !cur_pkt) */
if (!cur_pkt)
goto err;
total += cur_pkt->len;
/* keep trace of the first packet in the datagram */
if (!first_pkt)
first_pkt = cur_pkt;
/* Attach the current one to the previous one */
if (prv_pkt)
prv_pkt->next = cur_pkt;
/* Let's say we have to build a new dgram */
prv_pkt = NULL;
dglen += cur_pkt->len;
/* Client: discard the Initial encryption keys as soon as
* a handshake packet could be built.
*/
if (HA_ATOMIC_LOAD(&qc->state) == QUIC_HS_ST_CLIENT_INITIAL &&
pkt_type == QUIC_PACKET_TYPE_HANDSHAKE) {
quic_tls_discard_keys(&qc->els[QUIC_TLS_ENC_LEVEL_INITIAL]);
TRACE_PROTO("discarding Initial pktns", QUIC_EV_CONN_PHPKTS, qc);
quic_pktns_discard(qc->els[QUIC_TLS_ENC_LEVEL_INITIAL].pktns, qc);
qc_set_timer(qc);
HA_ATOMIC_STORE(&qc->state, QUIC_HS_ST_CLIENT_HANDSHAKE);
}
/* If the data for the current encryption level have all been sent,
* select the next level.
*/
if ((tel == QUIC_TLS_ENC_LEVEL_INITIAL || tel == QUIC_TLS_ENC_LEVEL_HANDSHAKE) &&
(MT_LIST_ISEMPTY(&qel->pktns->tx.frms))) {
/* If QUIC_TLS_ENC_LEVEL_HANDSHAKE was already reached let's try QUIC_TLS_ENC_LEVEL_APP */
if (tel == QUIC_TLS_ENC_LEVEL_HANDSHAKE && next_tel == tel)
next_tel = QUIC_TLS_ENC_LEVEL_APP;
tel = next_tel;
qel = &qc->els[tel];
if (!MT_LIST_ISEMPTY(&qel->pktns->tx.frms)) {
/* If there is data for the next level, do not
* consume a datagram.
*/
prv_pkt = cur_pkt;
}
}
/* If we have to build a new datagram, set the current datagram as
* prepared into <cbuf>.
*/