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- [API Change] Add optional callback to call when handshake is done
- [API Change, BUGFIX] After send failure, wait until transport available
This commit is contained in:
Dmitri Tikhonov 2018-05-21 15:02:33 -04:00
parent 04468d215d
commit c44946ecd7
10 changed files with 107 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/liblsquic/lsquic_engine.c
View file

@ -302,6 +302,7 @@ lsquic_engine_new (unsigned flags,
return NULL;
}
engine->pub.enp_ver_tags_len = tag_buf_len;
engine->pub.enp_flags = ENPUB_CAN_SEND;
engine->flags = flags;
engine->stream_if = api->ea_stream_if;
@ -951,7 +952,9 @@ send_batch (lsquic_engine_t *engine, struct conns_out_iter *conns_iter,
LSQ_DEBUG("packets out returned %d (out of %u)", n_sent, n_to_send);
else
{
engine->pub.enp_flags &= ~ENPUB_CAN_SEND;
LSQ_DEBUG("packets out returned an error: %s", strerror(errno));
EV_LOG_GENERIC_EVENT("cannot send packets");
n_sent = 0;
}
if (n_sent > 0)
@ -1147,6 +1150,12 @@ lsquic_engine_send_unsent_packets (lsquic_engine_t *engine)
STAILQ_INIT(&closed_conns);
reset_deadline(engine, lsquic_time_now());
if (!(engine->pub.enp_flags & ENPUB_CAN_SEND))
{
LSQ_DEBUG("can send again");
EV_LOG_GENERIC_EVENT("can send again");
engine->pub.enp_flags |= ENPUB_CAN_SEND;
}
send_packets_out(engine, &closed_conns);
@ -1199,7 +1208,8 @@ process_connections (lsquic_engine_t *engine, conn_iter_f next_conn,
STAILQ_INSERT_TAIL(&ticked_conns, conn, cn_next_ticked);
}
if (lsquic_engine_has_unsent_packets(engine))
if ((engine->pub.enp_flags & ENPUB_CAN_SEND)
&& lsquic_engine_has_unsent_packets(engine))
send_packets_out(engine, &closed_conns);
while ((conn = STAILQ_FIRST(&closed_conns))) {

1
src/liblsquic/lsquic_engine_public.h
View file

@ -21,6 +21,7 @@ struct lsquic_engine_public {
ENPUB_PROC = (1 << 0), /* Being processed by one of the user-facing
* functions.
*/
ENPUB_CAN_SEND = (1 << 1),
} enp_flags;
unsigned char enp_ver_tags_buf[ sizeof(lsquic_ver_tag_t) * N_LSQVER ];
unsigned enp_ver_tags_len;

7
src/liblsquic/lsquic_full_conn.c
View file

@ -3033,6 +3033,8 @@ full_conn_ci_handshake_ok (lsquic_conn_t *lconn)
lconn->cn_flags |= LSCONN_HANDSHAKE_DONE;
else
conn->fc_flags |= FC_ERROR;
if (conn->fc_stream_ifs[STREAM_IF_STD].stream_if->on_hsk_done)
conn->fc_stream_ifs[STREAM_IF_STD].stream_if->on_hsk_done(lconn, 1);
}
@ -3043,6 +3045,8 @@ full_conn_ci_handshake_failed (lsquic_conn_t *lconn)
LSQ_DEBUG("handshake failed");
lsquic_alarmset_unset(&conn->fc_alset, AL_HANDSHAKE);
conn->fc_flags |= FC_HSK_FAILED;
if (conn->fc_stream_ifs[STREAM_IF_STD].stream_if->on_hsk_done)
conn->fc_stream_ifs[STREAM_IF_STD].stream_if->on_hsk_done(lconn, 0);
}
@ -3389,7 +3393,8 @@ full_conn_ci_is_tickable (lsquic_conn_t *lconn)
if (!TAILQ_EMPTY(&conn->fc_pub.service_streams))
return 1;
if (lsquic_send_ctl_can_send(&conn->fc_send_ctl)
if ((conn->fc_enpub->enp_flags & ENPUB_CAN_SEND)
&& lsquic_send_ctl_can_send(&conn->fc_send_ctl)
&& (should_generate_ack(conn) ||
!lsquic_send_ctl_sched_is_blocked(&conn->fc_send_ctl)))
{