mirrors/haproxy
1
0
Fork 0
mirror of https://git.haproxy.org/git/haproxy.git/ synced 2025-09-28 01:01:18 +02:00
Code Issues Projects Releases Wiki Activity

MINOR: h3: refactor h3_control_send()

Browse Source 
The only change is that the H3_CF_SETTINGS_SENT flag if-condition is
replaced by a BUG_ON statement. This may help to catch multiple calls on
h3_control_send() instead of silently ignore them.
This commit is contained in:
Amaury Denoyelle 2022-05-24 15:06:10 +02:00
parent 160507d0ba
commit 65df3add33
1 changed files with 35 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
src/h3.c
View File

@ -464,48 +464,48 @@ static int h3_control_send(struct h3_uqs *h3_uqs, void *ctx)
struct h3c *h3c = ctx;
unsigned char data[(2 + 3) * 2 * QUIC_VARINT_MAX_SIZE]; /* enough for 3 settings */
struct buffer pos, *res;
size_t frm_len;
struct qcs *qcs = h3_uqs->qcs;
BUG_ON_HOT(h3c->flags & H3_CF_SETTINGS_SENT);
ret = 0;
pos = b_make((char *)data, sizeof(data), 0, 0);
if (!(h3c->flags & H3_CF_SETTINGS_SENT)) {
struct qcs *qcs = h3_uqs->qcs;
size_t frm_len;
frm_len = quic_int_getsize(H3_SETTINGS_QPACK_MAX_TABLE_CAPACITY) +
quic_int_getsize(h3_settings_qpack_max_table_capacity) +
quic_int_getsize(H3_SETTINGS_QPACK_BLOCKED_STREAMS) +
quic_int_getsize(h3_settings_qpack_blocked_streams);
if (h3_settings_max_field_section_size) {
frm_len += quic_int_getsize(H3_SETTINGS_MAX_FIELD_SECTION_SIZE) +
quic_int_getsize(h3_settings_max_field_section_size);
}
frm_len = quic_int_getsize(H3_SETTINGS_QPACK_MAX_TABLE_CAPACITY) +
quic_int_getsize(h3_settings_qpack_max_table_capacity) +
quic_int_getsize(H3_SETTINGS_QPACK_BLOCKED_STREAMS) +
quic_int_getsize(h3_settings_qpack_blocked_streams);
if (h3_settings_max_field_section_size) {
frm_len += quic_int_getsize(H3_SETTINGS_MAX_FIELD_SECTION_SIZE) +
quic_int_getsize(h3_settings_max_field_section_size);
}
b_quic_enc_int(&pos, H3_UNI_S_T_CTRL);
/* Build a SETTINGS frame */
b_quic_enc_int(&pos, H3_FT_SETTINGS);
b_quic_enc_int(&pos, frm_len);
b_quic_enc_int(&pos, H3_SETTINGS_QPACK_MAX_TABLE_CAPACITY);
b_quic_enc_int(&pos, h3_settings_qpack_max_table_capacity);
b_quic_enc_int(&pos, H3_SETTINGS_QPACK_BLOCKED_STREAMS);
b_quic_enc_int(&pos, h3_settings_qpack_blocked_streams);
if (h3_settings_max_field_section_size) {
b_quic_enc_int(&pos, H3_SETTINGS_MAX_FIELD_SECTION_SIZE);
b_quic_enc_int(&pos, h3_settings_max_field_section_size);
}
b_quic_enc_int(&pos, H3_UNI_S_T_CTRL);
/* Build a SETTINGS frame */
b_quic_enc_int(&pos, H3_FT_SETTINGS);
b_quic_enc_int(&pos, frm_len);
b_quic_enc_int(&pos, H3_SETTINGS_QPACK_MAX_TABLE_CAPACITY);
b_quic_enc_int(&pos, h3_settings_qpack_max_table_capacity);
b_quic_enc_int(&pos, H3_SETTINGS_QPACK_BLOCKED_STREAMS);
b_quic_enc_int(&pos, h3_settings_qpack_blocked_streams);
if (h3_settings_max_field_section_size) {
b_quic_enc_int(&pos, H3_SETTINGS_MAX_FIELD_SECTION_SIZE);
b_quic_enc_int(&pos, h3_settings_max_field_section_size);
}
res = mux_get_buf(qcs);
if (b_room(res) < b_data(&pos)) {
// TODO the mux should be put in blocked state, with
// the stream in state waiting for settings to be sent
ABORT_NOW();
}
res = mux_get_buf(qcs);
if (b_room(res) < b_data(&pos)) {
// TODO the mux should be put in blocked state, with
// the stream in state waiting for settings to be sent
ABORT_NOW();
}
ret = b_force_xfer(res, &pos, b_data(&pos));
if (ret > 0) {
h3c->flags |= H3_CF_SETTINGS_SENT;
if (!(qcs->qcc->wait_event.events & SUB_RETRY_SEND))
tasklet_wakeup(qcs->qcc->wait_event.tasklet);
}
ret = b_force_xfer(res, &pos, b_data(&pos));
if (ret > 0) {
h3c->flags |= H3_CF_SETTINGS_SENT;
if (!(qcs->qcc->wait_event.events & SUB_RETRY_SEND))
tasklet_wakeup(qcs->qcc->wait_event.tasklet);
}
return ret;