Cleaned up reordering code.

The ordered frame handler is always called for the existing stream, as it is
allocated from this stream.  Instead of searching stream by id, pointer to the
stream node is passed.
This commit is contained in:
Vladimir Homutov 2020-05-08 13:08:04 +03:00
parent 1816f3af58
commit 7017a64183

View File

@ -126,7 +126,7 @@ struct ngx_quic_connection_s {
typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c,
ngx_quic_frame_t *frame);
ngx_quic_frame_t *frame, void *data);
#if BORINGSSL_API_VERSION >= 10
@ -189,7 +189,7 @@ static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
static ngx_int_t ngx_quic_handle_ordered_frame(ngx_connection_t *c,
ngx_quic_frames_stream_t *fs, ngx_quic_frame_t *frame,
ngx_quic_frame_handler_pt handler);
ngx_quic_frame_handler_pt handler, void *data);
static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
ngx_quic_frame_t *f, uint64_t offset_in);
static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
@ -198,11 +198,11 @@ static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
ngx_quic_frame_t *frame);
ngx_quic_frame_t *frame, void *data);
static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
ngx_quic_frame_t *frame);
ngx_quic_frame_t *frame, void *data);
static ngx_int_t ngx_quic_handle_max_streams(ngx_connection_t *c);
static ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
@ -1780,7 +1780,7 @@ ngx_quic_handle_stream_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
static ngx_int_t
ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler)
ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler, void *data)
{
size_t full_len;
ngx_int_t rc;
@ -1811,7 +1811,7 @@ ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
/* f->offset == fs->received */
rc = handler(c, frame);
rc = handler(c, frame, data);
if (rc == NGX_ERROR) {
return NGX_ERROR;
@ -1863,7 +1863,7 @@ ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
/* f->offset == fs->received */
rc = handler(c, frame);
rc = handler(c, frame, data);
if (rc == NGX_ERROR) {
return NGX_ERROR;
@ -2000,12 +2000,13 @@ ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
qc = c->quic;
fs = &qc->crypto[pkt->level];
return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input);
return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
NULL);
}
static ngx_int_t
ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame)
ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
{
int sslerr;
ssize_t n;
@ -2091,8 +2092,8 @@ ngx_quic_handle_stream_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
ngx_quic_frame_t *frame)
{
size_t n;
ngx_buf_t *b;
ngx_event_t *rev;
ngx_buf_t *b;
ngx_event_t *rev;
ngx_quic_stream_t *sn;
ngx_quic_connection_t *qc;
ngx_quic_stream_frame_t *f;
@ -2170,12 +2171,13 @@ ngx_quic_handle_stream_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
fs = &sn->fs;
return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input);
return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
sn);
}
static ngx_int_t
ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame)
ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
{
ngx_buf_t *b;
ngx_event_t *rev;
@ -2184,16 +2186,10 @@ ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame)
ngx_quic_stream_frame_t *f;
qc = c->quic;
sn = data;
f = &frame->u.stream;
sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
if (sn == NULL) {
// TODO: possible?
// stream was deleted while in reordering queue ?
return NGX_ERROR;
}
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic existing stream");
b = sn->b;