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mini conn: consider amplification when deciding to return TICK_SEND

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This commit is contained in:
Dmitri Tikhonov 2020-06-04 10:27:30 -04:00
parent ad48a114a2
commit c3c2342f79
1 changed files with 11 additions and 2 deletions
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13
src/liblsquic/lsquic_mini_conn_ietf.c
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@ -1345,9 +1345,11 @@ imico_handle_losses_and_have_unsent (struct ietf_mini_conn *conn,
{
TAILQ_HEAD(, lsquic_packet_out) lost_packets =
TAILQ_HEAD_INITIALIZER(lost_packets);
const struct lsquic_conn *const lconn = &conn->imc_conn;
lsquic_packet_out_t *packet_out, *next;
lsquic_time_t retx_to = 0;
unsigned n_to_send = 0;
size_t packet_size;
for (packet_out = TAILQ_FIRST(&conn->imc_packets_out); packet_out;
packet_out = next)
@ -1365,8 +1367,11 @@ imico_handle_losses_and_have_unsent (struct ietf_mini_conn *conn,
TAILQ_INSERT_TAIL(&lost_packets, packet_out, po_next);
}
}
else
else if (packet_size = lsquic_packet_out_total_sz(lconn, packet_out),
imico_can_send(conn, packet_size))
++n_to_send;
else
break;
}
conn->imc_hsk_count += !TAILQ_EMPTY(&lost_packets);
@ -1376,7 +1381,11 @@ imico_handle_losses_and_have_unsent (struct ietf_mini_conn *conn,
TAILQ_REMOVE(&lost_packets, packet_out, po_next);
if ((packet_out->po_frame_types & IQUIC_FRAME_RETX_MASK)
&& 0 == imico_repackage_packet(conn, packet_out))
++n_to_send;
{
packet_size = lsquic_packet_out_total_sz(lconn, packet_out);
if (imico_can_send(conn, packet_size))
++n_to_send;
}
else
imico_destroy_packet(conn, packet_out);
}