HTTP/2: reused HEADERS and CONTINUATION frames buffers.

This commit is contained in:
Valentin Bartenev 2015-11-13 20:10:50 +03:00
parent 548e31f608
commit a52bbefd84
2 changed files with 21 additions and 10 deletions

View File

@ -178,7 +178,7 @@ struct ngx_http_v2_stream_s {
size_t recv_window;
ngx_http_v2_out_frame_t *free_frames;
ngx_chain_t *free_data_headers;
ngx_chain_t *free_frame_headers;
ngx_chain_t *free_bufs;
ngx_queue_t queue;

View File

@ -624,6 +624,8 @@ ngx_http_v2_create_headers_frame(ngx_http_request_t *r, u_char *pos,
*b->last++ = flags;
b->last = ngx_http_v2_write_sid(b->last, stream->node->id);
b->tag = (ngx_buf_tag_t) &ngx_http_v2_module;
cl = ngx_alloc_chain_link(r->pool);
if (cl == NULL) {
return NULL;
@ -929,7 +931,7 @@ ngx_http_v2_filter_get_data_frame(ngx_http_v2_stream_t *stream,
stream->node->id, frame, len, (ngx_uint_t) flags);
cl = ngx_chain_get_free_buf(stream->request->pool,
&stream->free_data_headers);
&stream->free_frame_headers);
if (cl == NULL) {
return NULL;
}
@ -946,7 +948,7 @@ ngx_http_v2_filter_get_data_frame(ngx_http_v2_stream_t *stream,
buf->end = buf->start + NGX_HTTP_V2_FRAME_HEADER_SIZE;
buf->last = buf->end;
buf->tag = (ngx_buf_tag_t) &ngx_http_v2_filter_get_data_frame;
buf->tag = (ngx_buf_tag_t) &ngx_http_v2_module;
buf->memory = 1;
}
@ -1054,7 +1056,7 @@ static ngx_int_t
ngx_http_v2_headers_frame_handler(ngx_http_v2_connection_t *h2c,
ngx_http_v2_out_frame_t *frame)
{
ngx_chain_t *cl;
ngx_chain_t *cl, *ln;
ngx_http_v2_stream_t *stream;
stream = frame->stream;
@ -1071,19 +1073,28 @@ ngx_http_v2_headers_frame_handler(ngx_http_v2_connection_t *h2c,
return NGX_AGAIN;
}
ln = cl->next;
if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_module) {
cl->next = stream->free_frame_headers;
stream->free_frame_headers = cl;
} else {
cl->next = stream->free_bufs;
stream->free_bufs = cl;
}
if (cl == frame->last) {
break;
}
cl = cl->next;
cl = ln;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
"http2:%ui HEADERS frame %p was sent",
stream->node->id, frame);
ngx_free_chain(stream->request->pool, frame->first);
ngx_http_v2_handle_frame(stream, frame);
ngx_http_v2_handle_stream(h2c, stream);
@ -1104,7 +1115,7 @@ ngx_http_v2_data_frame_handler(ngx_http_v2_connection_t *h2c,
cl = frame->first;
if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_filter_get_data_frame) {
if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_module) {
if (cl->buf->pos != cl->buf->last) {
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
@ -1116,8 +1127,8 @@ ngx_http_v2_data_frame_handler(ngx_http_v2_connection_t *h2c,
ln = cl->next;
cl->next = stream->free_data_headers;
stream->free_data_headers = cl;
cl->next = stream->free_frame_headers;
stream->free_frame_headers = cl;
if (cl == frame->last) {
goto done;