Release 2.14.1
- [BUGFIX] Place connections on tickable queue when sending is reenabled. - [BUGFIX] A connection is tickable if it has unsent packets. - [BUGFIX] Heed peer's max_packet_size transport parameter.
This commit is contained in:
parent
7b08963c02
commit
77a28812de
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@ -1,3 +1,9 @@
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2020-04-07
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- 2.14.1
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- [BUGFIX] Place connections on tickable queue when sending is reenabled.
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- [BUGFIX] A connection is tickable if it has unsent packets.
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- [BUGFIX] Heed peer's max_packet_size transport parameter.
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2020-03-30
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- 2.14.0
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- [API] Use lsxpack_header structure to send HTTP headers.
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@ -26,7 +26,7 @@ author = u'LiteSpeed Technologies'
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# The short X.Y version
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version = u'2.14'
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# The full version, including alpha/beta/rc tags
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release = u'2.14.0'
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release = u'2.14.1'
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# -- General configuration ---------------------------------------------------
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@ -25,7 +25,7 @@ extern "C" {
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#define LSQUIC_MAJOR_VERSION 2
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#define LSQUIC_MINOR_VERSION 14
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#define LSQUIC_PATCH_VERSION 0
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#define LSQUIC_PATCH_VERSION 1
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/**
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* Engine flags:
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@ -340,6 +340,9 @@ typedef struct ssl_ctx_st * (*lsquic_lookup_cert_f)(
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/* 1: Cubic; 2: BBR */
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#define LSQUIC_DF_CC_ALGO 1
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/** By default, incoming packet size is not limited. */
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#define LSQUIC_DF_MAX_PACKET_SIZE_RX 0
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struct lsquic_engine_settings {
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/**
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* This is a bit mask wherein each bit corresponds to a value in
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@ -738,6 +741,17 @@ struct lsquic_engine_settings {
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* Default value is @ref LSQUIC_DF_TIMESTAMPS
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*/
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int es_timestamps;
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/**
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* Maximum packet size we are willing to receive. This is sent to
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* peer in transport parameters: the library does not enforce this
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* limit for incoming packets.
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*
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* If set to zero, limit is not set.
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*
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* Default value is @ref LSQUIC_DF_MAX_PACKET_SIZE_RX
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*/
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unsigned short es_max_packet_size_rx;
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};
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/* Initialize `settings' to default values */
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@ -532,7 +532,6 @@ gen_trans_params (struct enc_sess_iquic *enc_sess, unsigned char *buf,
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= TP_DEF_ACK_DELAY_EXP;
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params.tp_max_idle_timeout = settings->es_idle_timeout * 1000;
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params.tp_max_ack_delay = TP_DEF_MAX_ACK_DELAY;
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params.tp_max_packet_size = 1370 /* XXX: based on socket */;
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params.tp_active_connection_id_limit = MAX_IETF_CONN_DCIDS;
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params.tp_set |= (1 << TPI_INIT_MAX_DATA)
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| (1 << TPI_INIT_MAX_STREAM_DATA_BIDI_LOCAL)
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@ -543,9 +542,13 @@ gen_trans_params (struct enc_sess_iquic *enc_sess, unsigned char *buf,
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| (1 << TPI_ACK_DELAY_EXPONENT)
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| (1 << TPI_MAX_IDLE_TIMEOUT)
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| (1 << TPI_MAX_ACK_DELAY)
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| (1 << TPI_MAX_PACKET_SIZE)
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| (1 << TPI_ACTIVE_CONNECTION_ID_LIMIT)
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;
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if (settings->es_max_packet_size_rx)
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{
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params.tp_max_packet_size = settings->es_max_packet_size_rx;
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params.tp_set |= 1 << TPI_MAX_PACKET_SIZE;
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}
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if (!settings->es_allow_migration)
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params.tp_set |= 1 << TPI_DISABLE_ACTIVE_MIGRATION;
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if (settings->es_ql_bits)
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@ -2445,6 +2445,32 @@ reset_deadline (lsquic_engine_t *engine, lsquic_time_t now)
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}
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static void
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check_tickable_conns_again (struct lsquic_engine *engine)
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{
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struct lsquic_hash_elem *el;
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struct lsquic_conn *conn;
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unsigned count;
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count = 0;
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for (el = lsquic_hash_first(engine->conns_hash); el;
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el = lsquic_hash_next(engine->conns_hash))
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{
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conn = lsquic_hashelem_getdata(el);
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if (!(conn->cn_flags & LSCONN_TICKABLE)
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&& conn->cn_if->ci_is_tickable(conn))
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{
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lsquic_mh_insert(&engine->conns_tickable, conn,
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conn->cn_last_ticked);
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engine_incref_conn(conn, LSCONN_TICKABLE);
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++count;
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}
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}
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LSQ_DEBUG("%u connection%s tickable again after sending has been "
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"re-enabled", count, count == 1 ? " is" : "s are");
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}
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void
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lsquic_engine_send_unsent_packets (lsquic_engine_t *engine)
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{
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@ -2462,6 +2488,7 @@ lsquic_engine_send_unsent_packets (lsquic_engine_t *engine)
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LSQ_DEBUG("can send again");
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EV_LOG_GENERIC_EVENT("can send again");
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engine->pub.enp_flags |= ENPUB_CAN_SEND;
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check_tickable_conns_again(engine);
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}
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send_packets_out(engine, &ticked_conns, &closed_conns);
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@ -4115,6 +4115,11 @@ full_conn_ci_is_tickable (lsquic_conn_t *lconn)
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LSQ_DEBUG("tickable: flags: 0x%X", conn->fc_flags & send_flags);
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goto check_can_send;
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}
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if (lsquic_send_ctl_n_scheduled(&conn->fc_send_ctl) > 0)
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{
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LSQ_DEBUG("tickable: has scheduled packets");
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return 1; /* Don't check can_send */
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}
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if ((conn->fc_conn.cn_flags & LSCONN_HANDSHAKE_DONE)
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&& lsquic_send_ctl_has_buffered(&conn->fc_send_ctl))
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{
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@ -3446,6 +3446,11 @@ ietf_full_conn_ci_is_tickable (struct lsquic_conn *lconn)
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LSQ_DEBUG("tickable: send flags: 0x%X", conn->ifc_send_flags);
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goto check_can_send;
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}
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if (lsquic_send_ctl_n_scheduled(&conn->ifc_send_ctl) > 0)
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{
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LSQ_DEBUG("tickable: has scheduled packets");
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return 1; /* Don't check can_send */
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}
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if (conn->ifc_conn.cn_flags & LSCONN_SEND_BLOCKED)
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{
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LSQ_DEBUG("tickable: send DATA_BLOCKED frame");
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@ -340,6 +340,8 @@ static
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enum hsk_failure_reason
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lsquic_verify_stk (enc_session_t *,
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const struct sockaddr *ip_addr, uint64_t tm, lsquic_str_t *stk);
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static
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#endif
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void lsquic_gen_stk(lsquic_server_config_t *, const struct sockaddr *, uint64_t tm,
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unsigned char stk_out[STK_LENGTH]);
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@ -2072,14 +2072,24 @@ mini_conn_ci_hsk_done (struct lsquic_conn *lconn, enum lsquic_hsk_status status)
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}
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/* A mini connection is only tickable if it has unsent packets. This can
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* occur when packet sending is delayed.
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*
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* Otherwise, a mini connection is not tickable: Either there are incoming
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* packets, in which case, the connection is going to be ticked, or there is
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* an alarm pending, in which case it will be handled via the attq.
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*/
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static int
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mini_conn_ci_is_tickable (struct lsquic_conn *lconn)
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{
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/* A mini connection is never tickable: Either there are incoming
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* packets, in which case, the connection is going to be ticked, or
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* there is an alarm pending, in which case it will be handled via
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* the attq.
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*/
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struct mini_conn *const mc = (struct mini_conn *) lconn;
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const struct lsquic_packet_out *packet_out;
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if (mc->mc_enpub->enp_flags & ENPUB_CAN_SEND)
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TAILQ_FOREACH(packet_out, &mc->mc_packets_out, po_next)
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if (!(packet_out->po_flags & PO_SENT))
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return 1;
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return 0;
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}
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@ -162,6 +162,50 @@ read_from_msg_ctx (void *ctx, void *buf, size_t len)
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}
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static int
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imico_chlo_has_been_consumed (const struct ietf_mini_conn *conn)
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{
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return conn->imc_streams[ENC_LEV_CLEAR].mcs_read_off > 3
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&& conn->imc_streams[ENC_LEV_CLEAR].mcs_read_off >= conn->imc_ch_len;
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}
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static int
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imico_maybe_process_params (struct ietf_mini_conn *conn)
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{
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const struct transport_params *params;
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if (imico_chlo_has_been_consumed(conn)
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&& (conn->imc_flags & (IMC_ENC_SESS_INITED|IMC_HAVE_TP))
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== IMC_ENC_SESS_INITED)
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{
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params = conn->imc_conn.cn_esf.i->esfi_get_peer_transport_params(
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conn->imc_conn.cn_enc_session);
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if (params)
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{
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conn->imc_flags |= IMC_HAVE_TP;
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conn->imc_ack_exp = params->tp_ack_delay_exponent;
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if (params->tp_set & (1 << TPI_MAX_PACKET_SIZE))
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{
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if (params->tp_numerics[TPI_MAX_PACKET_SIZE]
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< conn->imc_path.np_pack_size)
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conn->imc_path.np_pack_size =
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params->tp_numerics[TPI_MAX_PACKET_SIZE];
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}
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LSQ_DEBUG("read transport params, packet size is set to %hu bytes",
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conn->imc_path.np_pack_size);
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}
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else
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{
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conn->imc_flags |= IMC_BAD_TRANS_PARAMS;
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return -1;
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}
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}
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return 0;
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}
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static ssize_t
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imico_stream_write (void *stream, const void *bufp, size_t bufsz)
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{
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const unsigned char *p;
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int len;
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if (0 != imico_maybe_process_params(conn))
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return -1;
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if (PNS_INIT == lsquic_enclev2pns[ cryst->mcs_enc_level ]
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&& (conn->imc_flags & IMC_IGNORE_INIT))
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{
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}
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static int
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imico_chlo_has_been_consumed (const struct ietf_mini_conn *conn)
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{
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return conn->imc_streams[ENC_LEV_CLEAR].mcs_read_off > 3
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&& conn->imc_streams[ENC_LEV_CLEAR].mcs_read_off >= conn->imc_ch_len;
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}
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static ssize_t
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imico_stream_readf (void *stream,
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size_t (*readf)(void *, const unsigned char *, size_t, int), void *ctx)
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@ -574,14 +613,24 @@ ietf_mini_conn_ci_tls_alert (struct lsquic_conn *lconn, uint8_t alert)
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}
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/* A mini connection is only tickable if it has unsent packets. This can
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* occur when packet sending is delayed.
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*
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* Otherwise, a mini connection is not tickable: Either there are incoming
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* packets, in which case, the connection is going to be ticked, or there is
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* an alarm pending, in which case it will be handled via the attq.
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*/
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static int
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ietf_mini_conn_ci_is_tickable (struct lsquic_conn *lconn)
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{
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/* A mini connection is never tickable: Either there are incoming
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* packets, in which case, the connection is going to be ticked, or
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* there is an alarm pending, in which case it will be handled via
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* the attq.
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*/
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struct ietf_mini_conn *const conn = (struct ietf_mini_conn *) lconn;
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const struct lsquic_packet_out *packet_out;
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if (conn->imc_enpub->enp_flags & ENPUB_CAN_SEND)
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TAILQ_FOREACH(packet_out, &conn->imc_packets_out, po_next)
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if (!(packet_out->po_flags & PO_SENT))
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return 1;
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return 0;
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}
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@ -755,7 +804,6 @@ imico_process_crypto_frame (IMICO_PROC_FRAME_ARGS)
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int parsed_len;
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enum enc_level enc_level, i;
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struct stream_frame stream_frame;
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const struct transport_params *params;
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parsed_len = conn->imc_conn.cn_pf->pf_parse_crypto_frame(p, len,
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&stream_frame);
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@ -826,25 +874,6 @@ imico_process_crypto_frame (IMICO_PROC_FRAME_ARGS)
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}
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if (enc_level == ENC_LEV_CLEAR
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&& imico_chlo_has_been_consumed(conn)
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&& (conn->imc_flags & (IMC_ENC_SESS_INITED|IMC_HAVE_TP))
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== IMC_ENC_SESS_INITED)
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{
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params = conn->imc_conn.cn_esf.i->esfi_get_peer_transport_params(
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conn->imc_conn.cn_enc_session);
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if (params)
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{
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conn->imc_flags |= IMC_HAVE_TP;
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conn->imc_ack_exp = params->tp_ack_delay_exponent;
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}
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else
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{
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conn->imc_flags |= IMC_BAD_TRANS_PARAMS;
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return 0;
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}
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}
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return parsed_len;
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}
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|
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@ -128,6 +128,9 @@ static const uint64_t def_vals[MAX_NUM_WITH_DEF_TPI + 1] =
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static const uint64_t max_vals[MAX_NUMERIC_TPI + 1] =
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{
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/* We don't enforce the maximum practical UDP payload value of 65527, as
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* it is not required by the spec and is not necessary.
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*/
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[TPI_MAX_PACKET_SIZE] = VINT_MAX_VALUE,
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[TPI_ACK_DELAY_EXPONENT] = VINT_MAX_VALUE,
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[TPI_INIT_MAX_STREAMS_UNI] = VINT_MAX_VALUE,
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@ -146,6 +149,8 @@ static const uint64_t max_vals[MAX_NUMERIC_TPI + 1] =
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static const uint64_t min_vals[MAX_NUMERIC_TPI + 1] =
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{
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/* On the other hand, we do enforce the lower bound. */
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[TPI_MAX_PACKET_SIZE] = 1200,
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[TPI_MIN_ACK_DELAY] = 1,
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};
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|
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@ -1658,7 +1658,11 @@ send_packets_one_by_one (const struct lsquic_out_spec *specs, unsigned count)
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prog_sport_cant_send(sport->sp_prog, sport->fd);
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if (n > 0)
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{
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if (n < orig_count && out_limit)
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errno = EAGAIN;
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return n;
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}
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else
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{
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assert(s < 0);
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@ -1911,6 +1915,11 @@ set_engine_option (struct lsquic_engine_settings *settings,
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settings->es_qpack_dec_max_size = atoi(val);
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return 0;
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}
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if (0 == strncmp(name, "max_packet_size_rx", 18))
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{
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settings->es_max_packet_size_rx = atoi(val);
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return 0;
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}
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break;
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case 20:
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if (0 == strncmp(name, "max_header_list_size", 20))
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|
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|
@ -63,15 +63,16 @@ static const struct trapa_test tests[] =
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| (1 << TPI_ACTIVE_CONNECTION_ID_LIMIT),
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.tp_init_max_stream_data_bidi_local = 0x12348877,
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.tp_init_max_data = 0xAABB,
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.tp_max_packet_size = 1213,
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.tp_max_idle_timeout = 10 * 1000,
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.tp_max_ack_delay = TP_DEF_MAX_ACK_DELAY,
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.tp_active_connection_id_limit = 7,
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},
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.is_server = 0,
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.enc_len = 25,
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.enc_len = 26,
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.encoded =
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/* Idle timeout */ "\x01\x02\x67\x10"
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/* Packet size */ "\x03\x01\x00"
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/* Packet size */ "\x03\x02\x44\xBD"
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/* Max data */ "\x04\x04\x80\x00\xAA\xBB"
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/* Bidi local */ "\x05\x04\x92\x34\x88\x77"
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/* Ack delay exp */ "\x0A\x01\x00"
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@ -103,13 +104,13 @@ static const struct trapa_test tests[] =
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TP_DEFAULT_VALUES,
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.tp_init_max_data = 0x123456,
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.tp_init_max_stream_data_bidi_local = 0xABCDEF88,
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.tp_max_packet_size = 0x333,
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.tp_max_packet_size = 0x555,
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},
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.is_server = 1,
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.addl_set = 1 << TPI_DISABLE_ACTIVE_MIGRATION,
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.enc_len = 22,
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.encoded =
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/* Packet size */ "\x03\x02\x43\x33"
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/* Packet size */ "\x03\x02\x45\x55"
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/* Max data */ "\x04\x04\x80\x12\x34\x56"
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/* Bidi local */ "\x05\x08\xC0\x00\x00\x00\xAB\xCD\xEF\x88"
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/* Migration */ "\x0C\x00"
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|
@ -124,7 +125,7 @@ static const struct trapa_test tests[] =
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.params = {
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TP_DEFAULT_VALUES,
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.tp_max_ack_delay = 25,
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.tp_max_packet_size = 0x333,
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.tp_max_packet_size = 0x555,
|
||||
.tp_preferred_address = {
|
||||
.ipv4_addr = "\x01\x02\x03\x04",
|
||||
.ipv4_port = 0x1234,
|
||||
|
@ -148,7 +149,7 @@ static const struct trapa_test tests[] =
|
|||
"\x0B" /* CID len */
|
||||
"\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A"
|
||||
"\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3A\x3B\x3C\x3D\x3E\x3F"
|
||||
/* Packet size */ "\x03\x02\x43\x33"
|
||||
/* Packet size */ "\x03\x02\x45\x55"
|
||||
/* Trailer to make the end easily visible in gdb: */
|
||||
"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
|
||||
},
|
||||
|
|
Loading…
Reference in New Issue