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comparison src/event/quic/ngx_event_quic_frames.c @ 8967:3789f4a56d65 quic

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QUIC: return written size from ngx_quic_write_chain(). This allows to escape calculating it before calling the function.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 13 Jan 2022 11:34:42 +0300
parents 5acd0d89d8c2
children 065c73221b7b
comparison
equal deleted inserted replaced
8966:6f8253673669 8967:3789f4a56d65
476 } 476 }
477 477
478 478
479 ngx_chain_t * 479 ngx_chain_t *
480 ngx_quic_write_chain(ngx_connection_t *c, ngx_chain_t **chain, ngx_chain_t *in, 480 ngx_quic_write_chain(ngx_connection_t *c, ngx_chain_t **chain, ngx_chain_t *in,
481 off_t limit, off_t offset) 481 off_t limit, off_t offset, size_t *size)
482 { 482 {
483 off_t n; 483 off_t n;
484 u_char *p; 484 u_char *p;
485 ngx_buf_t *b; 485 ngx_buf_t *b;
486 ngx_chain_t *cl, *sl; 486 ngx_chain_t *cl, *sl;
487 487
488 if (size) {
489 *size = 0;
490 }
491
488 while (in && limit) { 492 while (in && limit) {
489 cl = *chain; 493 cl = *chain;
490 494
491 if (cl == NULL) { 495 if (cl == NULL) {
492 cl = ngx_quic_alloc_chain(c); 496 cl = ngx_quic_alloc_chain(c);
547 551
548 p += n; 552 p += n;
549 in->buf->pos += n; 553 in->buf->pos += n;
550 offset += n; 554 offset += n;
551 limit -= n; 555 limit -= n;
556
557 if (size) {
558 *size += n;
559 }
552 } 560 }
553 561
554 if (b->sync && p == b->last) { 562 if (b->sync && p == b->last) {
555 b->sync = 0; 563 b->sync = 0;
556 continue; 564 continue;