782 lines
19 KiB
C
782 lines
19 KiB
C
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/*
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* Copyright (C) Roman Arutyunyan
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* Copyright (C) Nginx, Inc.
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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ngx_http_v3_parse_uni_t parse;
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ngx_int_t index;
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} ngx_http_v3_uni_stream_t;
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typedef struct {
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ngx_queue_t queue;
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uint64_t id;
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ngx_connection_t *connection;
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ngx_uint_t *npushing;
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} ngx_http_v3_push_t;
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static void ngx_http_v3_close_uni_stream(ngx_connection_t *c);
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static void ngx_http_v3_uni_read_handler(ngx_event_t *rev);
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static void ngx_http_v3_uni_dummy_read_handler(ngx_event_t *wev);
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static void ngx_http_v3_uni_dummy_write_handler(ngx_event_t *wev);
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static void ngx_http_v3_push_cleanup(void *data);
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static ngx_connection_t *ngx_http_v3_get_uni_stream(ngx_connection_t *c,
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ngx_uint_t type);
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void
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ngx_http_v3_init_uni_stream(ngx_connection_t *c)
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{
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uint64_t n;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_uni_stream_t *us;
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h3c = ngx_http_v3_get_session(c);
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if (h3c->hq) {
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ngx_http_v3_finalize_connection(c,
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NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR,
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"uni stream in hq mode");
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c->data = NULL;
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 init uni stream");
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n = c->quic->id >> 2;
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if (n >= NGX_HTTP_V3_MAX_UNI_STREAMS) {
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ngx_http_v3_finalize_connection(c,
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NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR,
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"reached maximum number of uni streams");
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c->data = NULL;
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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ngx_quic_cancelable_stream(c);
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us = ngx_pcalloc(c->pool, sizeof(ngx_http_v3_uni_stream_t));
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if (us == NULL) {
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ngx_http_v3_finalize_connection(c,
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NGX_HTTP_V3_ERR_INTERNAL_ERROR,
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"memory allocation error");
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c->data = NULL;
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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us->index = -1;
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c->data = us;
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c->read->handler = ngx_http_v3_uni_read_handler;
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c->write->handler = ngx_http_v3_uni_dummy_write_handler;
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ngx_http_v3_uni_read_handler(c->read);
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}
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static void
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ngx_http_v3_close_uni_stream(ngx_connection_t *c)
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{
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ngx_pool_t *pool;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_uni_stream_t *us;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 close stream");
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us = c->data;
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if (us && us->index >= 0) {
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h3c = ngx_http_v3_get_session(c);
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h3c->known_streams[us->index] = NULL;
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}
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c->destroyed = 1;
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pool = c->pool;
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ngx_close_connection(c);
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ngx_destroy_pool(pool);
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}
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ngx_int_t
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ngx_http_v3_register_uni_stream(ngx_connection_t *c, uint64_t type)
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{
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ngx_int_t index;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_uni_stream_t *us;
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h3c = ngx_http_v3_get_session(c);
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switch (type) {
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case NGX_HTTP_V3_STREAM_ENCODER:
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 encoder stream");
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index = NGX_HTTP_V3_STREAM_CLIENT_ENCODER;
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break;
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case NGX_HTTP_V3_STREAM_DECODER:
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 decoder stream");
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index = NGX_HTTP_V3_STREAM_CLIENT_DECODER;
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break;
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case NGX_HTTP_V3_STREAM_CONTROL:
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 control stream");
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index = NGX_HTTP_V3_STREAM_CLIENT_CONTROL;
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break;
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default:
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ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 stream 0x%02xL", type);
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if (h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_ENCODER] == NULL
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|| h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_DECODER] == NULL
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|| h3c->known_streams[NGX_HTTP_V3_STREAM_CLIENT_CONTROL] == NULL)
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{
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ngx_log_error(NGX_LOG_INFO, c->log, 0, "missing mandatory stream");
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return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR;
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}
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index = -1;
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}
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if (index >= 0) {
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if (h3c->known_streams[index]) {
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ngx_log_error(NGX_LOG_INFO, c->log, 0, "stream exists");
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return NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR;
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}
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h3c->known_streams[index] = c;
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us = c->data;
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us->index = index;
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}
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return NGX_OK;
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}
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static void
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ngx_http_v3_uni_read_handler(ngx_event_t *rev)
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{
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u_char buf[128];
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ssize_t n;
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ngx_buf_t b;
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ngx_int_t rc;
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ngx_connection_t *c;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_uni_stream_t *us;
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c = rev->data;
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us = c->data;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read handler");
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if (c->close) {
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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ngx_memzero(&b, sizeof(ngx_buf_t));
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while (rev->ready) {
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n = c->recv(c, buf, sizeof(buf));
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if (n == NGX_ERROR) {
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rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR;
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goto failed;
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}
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if (n == 0) {
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if (us->index >= 0) {
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rc = NGX_HTTP_V3_ERR_CLOSED_CRITICAL_STREAM;
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goto failed;
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}
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 read eof");
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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if (n == NGX_AGAIN) {
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break;
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}
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b.pos = buf;
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b.last = buf + n;
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h3c = ngx_http_v3_get_session(c);
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h3c->total_bytes += n;
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if (ngx_http_v3_check_flood(c) != NGX_OK) {
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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rc = ngx_http_v3_parse_uni(c, &us->parse, &b);
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if (rc == NGX_DONE) {
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 read done");
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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if (rc > 0) {
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goto failed;
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}
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if (rc != NGX_AGAIN) {
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rc = NGX_HTTP_V3_ERR_GENERAL_PROTOCOL_ERROR;
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goto failed;
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}
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}
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if (ngx_handle_read_event(rev, 0) != NGX_OK) {
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rc = NGX_HTTP_V3_ERR_INTERNAL_ERROR;
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goto failed;
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}
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return;
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failed:
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ngx_http_v3_finalize_connection(c, rc, "stream error");
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ngx_http_v3_close_uni_stream(c);
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}
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static void
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ngx_http_v3_uni_dummy_read_handler(ngx_event_t *rev)
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{
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u_char ch;
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ngx_connection_t *c;
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c = rev->data;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 dummy read handler");
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if (c->close) {
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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if (rev->ready) {
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if (c->recv(c, &ch, 1) != 0) {
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ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_NO_ERROR, NULL);
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ngx_http_v3_close_uni_stream(c);
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return;
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}
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}
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if (ngx_handle_read_event(rev, 0) != NGX_OK) {
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ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR,
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NULL);
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ngx_http_v3_close_uni_stream(c);
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}
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}
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static void
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ngx_http_v3_uni_dummy_write_handler(ngx_event_t *wev)
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{
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ngx_connection_t *c;
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c = wev->data;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 dummy write handler");
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if (ngx_handle_write_event(wev, 0) != NGX_OK) {
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ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR,
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NULL);
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ngx_http_v3_close_uni_stream(c);
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}
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}
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ngx_connection_t *
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ngx_http_v3_create_push_stream(ngx_connection_t *c, uint64_t push_id)
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{
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u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 2];
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size_t n;
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ngx_connection_t *sc;
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ngx_pool_cleanup_t *cln;
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ngx_http_v3_push_t *push;
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ngx_http_v3_session_t *h3c;
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ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 create push stream id:%uL", push_id);
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sc = ngx_quic_open_stream(c, 0);
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if (sc == NULL) {
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goto failed;
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}
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p = buf;
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p = (u_char *) ngx_http_v3_encode_varlen_int(p, NGX_HTTP_V3_STREAM_PUSH);
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p = (u_char *) ngx_http_v3_encode_varlen_int(p, push_id);
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n = p - buf;
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h3c = ngx_http_v3_get_session(c);
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h3c->total_bytes += n;
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if (sc->send(sc, buf, n) != (ssize_t) n) {
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goto failed;
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}
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cln = ngx_pool_cleanup_add(sc->pool, sizeof(ngx_http_v3_push_t));
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if (cln == NULL) {
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goto failed;
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}
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h3c->npushing++;
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cln->handler = ngx_http_v3_push_cleanup;
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push = cln->data;
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push->id = push_id;
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push->connection = sc;
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push->npushing = &h3c->npushing;
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ngx_queue_insert_tail(&h3c->pushing, &push->queue);
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return sc;
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failed:
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ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to create push stream");
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ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR,
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"failed to create push stream");
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if (sc) {
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ngx_http_v3_close_uni_stream(sc);
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}
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return NULL;
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}
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static void
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ngx_http_v3_push_cleanup(void *data)
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{
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ngx_http_v3_push_t *push = data;
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ngx_queue_remove(&push->queue);
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(*push->npushing)--;
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}
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static ngx_connection_t *
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ngx_http_v3_get_uni_stream(ngx_connection_t *c, ngx_uint_t type)
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{
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u_char buf[NGX_HTTP_V3_VARLEN_INT_LEN];
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size_t n;
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ngx_int_t index;
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ngx_connection_t *sc;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_uni_stream_t *us;
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switch (type) {
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case NGX_HTTP_V3_STREAM_ENCODER:
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index = NGX_HTTP_V3_STREAM_SERVER_ENCODER;
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break;
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case NGX_HTTP_V3_STREAM_DECODER:
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index = NGX_HTTP_V3_STREAM_SERVER_DECODER;
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break;
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case NGX_HTTP_V3_STREAM_CONTROL:
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index = NGX_HTTP_V3_STREAM_SERVER_CONTROL;
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break;
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default:
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index = -1;
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}
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h3c = ngx_http_v3_get_session(c);
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if (index >= 0) {
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if (h3c->known_streams[index]) {
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return h3c->known_streams[index];
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}
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}
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sc = ngx_quic_open_stream(c, 0);
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if (sc == NULL) {
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goto failed;
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}
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ngx_quic_cancelable_stream(sc);
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ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"http3 create uni stream, type:%ui", type);
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us = ngx_pcalloc(sc->pool, sizeof(ngx_http_v3_uni_stream_t));
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if (us == NULL) {
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goto failed;
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}
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us->index = index;
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sc->data = us;
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sc->read->handler = ngx_http_v3_uni_dummy_read_handler;
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sc->write->handler = ngx_http_v3_uni_dummy_write_handler;
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if (index >= 0) {
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h3c->known_streams[index] = sc;
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}
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n = (u_char *) ngx_http_v3_encode_varlen_int(buf, type) - buf;
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h3c = ngx_http_v3_get_session(c);
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h3c->total_bytes += n;
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if (sc->send(sc, buf, n) != (ssize_t) n) {
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goto failed;
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}
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ngx_post_event(sc->read, &ngx_posted_events);
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return sc;
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failed:
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ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to create server stream");
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ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_STREAM_CREATION_ERROR,
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"failed to create server stream");
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if (sc) {
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ngx_http_v3_close_uni_stream(sc);
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}
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return NULL;
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}
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ngx_int_t
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ngx_http_v3_send_settings(ngx_connection_t *c)
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{
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u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 6];
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size_t n;
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ngx_connection_t *cc;
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ngx_http_v3_session_t *h3c;
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ngx_http_v3_srv_conf_t *h3scf;
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ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send settings");
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cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL);
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if (cc == NULL) {
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return NGX_ERROR;
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}
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h3scf = ngx_http_v3_get_module_srv_conf(c, ngx_http_v3_module);
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n = ngx_http_v3_encode_varlen_int(NULL,
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NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY);
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n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_table_capacity);
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n += ngx_http_v3_encode_varlen_int(NULL, NGX_HTTP_V3_PARAM_BLOCKED_STREAMS);
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n += ngx_http_v3_encode_varlen_int(NULL, h3scf->max_blocked_streams);
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p = (u_char *) ngx_http_v3_encode_varlen_int(buf,
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NGX_HTTP_V3_FRAME_SETTINGS);
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p = (u_char *) ngx_http_v3_encode_varlen_int(p, n);
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p = (u_char *) ngx_http_v3_encode_varlen_int(p,
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NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY);
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p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_table_capacity);
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p = (u_char *) ngx_http_v3_encode_varlen_int(p,
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NGX_HTTP_V3_PARAM_BLOCKED_STREAMS);
|
|
p = (u_char *) ngx_http_v3_encode_varlen_int(p, h3scf->max_blocked_streams);
|
|
n = p - buf;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
h3c->total_bytes += n;
|
|
|
|
if (cc->send(cc, buf, n) != (ssize_t) n) {
|
|
goto failed;
|
|
}
|
|
|
|
return NGX_OK;
|
|
|
|
failed:
|
|
|
|
ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send settings");
|
|
|
|
ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD,
|
|
"failed to send settings");
|
|
ngx_http_v3_close_uni_stream(cc);
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_send_goaway(ngx_connection_t *c, uint64_t id)
|
|
{
|
|
u_char *p, buf[NGX_HTTP_V3_VARLEN_INT_LEN * 3];
|
|
size_t n;
|
|
ngx_connection_t *cc;
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 send goaway %uL", id);
|
|
|
|
cc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_CONTROL);
|
|
if (cc == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
n = ngx_http_v3_encode_varlen_int(NULL, id);
|
|
p = (u_char *) ngx_http_v3_encode_varlen_int(buf, NGX_HTTP_V3_FRAME_GOAWAY);
|
|
p = (u_char *) ngx_http_v3_encode_varlen_int(p, n);
|
|
p = (u_char *) ngx_http_v3_encode_varlen_int(p, id);
|
|
n = p - buf;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
h3c->total_bytes += n;
|
|
|
|
if (cc->send(cc, buf, n) != (ssize_t) n) {
|
|
goto failed;
|
|
}
|
|
|
|
return NGX_OK;
|
|
|
|
failed:
|
|
|
|
ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send goaway");
|
|
|
|
ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD,
|
|
"failed to send goaway");
|
|
ngx_http_v3_close_uni_stream(cc);
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_send_ack_section(ngx_connection_t *c, ngx_uint_t stream_id)
|
|
{
|
|
u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN];
|
|
size_t n;
|
|
ngx_connection_t *dc;
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 send section acknowledgement %ui", stream_id);
|
|
|
|
dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER);
|
|
if (dc == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf[0] = 0x80;
|
|
n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 7) - buf;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
h3c->total_bytes += n;
|
|
|
|
if (dc->send(dc, buf, n) != (ssize_t) n) {
|
|
goto failed;
|
|
}
|
|
|
|
return NGX_OK;
|
|
|
|
failed:
|
|
|
|
ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
"failed to send section acknowledgement");
|
|
|
|
ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD,
|
|
"failed to send section acknowledgement");
|
|
ngx_http_v3_close_uni_stream(dc);
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_send_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id)
|
|
{
|
|
u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN];
|
|
size_t n;
|
|
ngx_connection_t *dc;
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 send stream cancellation %ui", stream_id);
|
|
|
|
dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER);
|
|
if (dc == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf[0] = 0x40;
|
|
n = (u_char *) ngx_http_v3_encode_prefix_int(buf, stream_id, 6) - buf;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
h3c->total_bytes += n;
|
|
|
|
if (dc->send(dc, buf, n) != (ssize_t) n) {
|
|
goto failed;
|
|
}
|
|
|
|
return NGX_OK;
|
|
|
|
failed:
|
|
|
|
ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to send stream cancellation");
|
|
|
|
ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD,
|
|
"failed to send stream cancellation");
|
|
ngx_http_v3_close_uni_stream(dc);
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_send_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc)
|
|
{
|
|
u_char buf[NGX_HTTP_V3_PREFIX_INT_LEN];
|
|
size_t n;
|
|
ngx_connection_t *dc;
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 send insert count increment %ui", inc);
|
|
|
|
dc = ngx_http_v3_get_uni_stream(c, NGX_HTTP_V3_STREAM_DECODER);
|
|
if (dc == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf[0] = 0;
|
|
n = (u_char *) ngx_http_v3_encode_prefix_int(buf, inc, 6) - buf;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
h3c->total_bytes += n;
|
|
|
|
if (dc->send(dc, buf, n) != (ssize_t) n) {
|
|
goto failed;
|
|
}
|
|
|
|
return NGX_OK;
|
|
|
|
failed:
|
|
|
|
ngx_log_error(NGX_LOG_ERR, c->log, 0,
|
|
"failed to send insert count increment");
|
|
|
|
ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_EXCESSIVE_LOAD,
|
|
"failed to send insert count increment");
|
|
ngx_http_v3_close_uni_stream(dc);
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_set_max_push_id(ngx_connection_t *c, uint64_t max_push_id)
|
|
{
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 MAX_PUSH_ID:%uL", max_push_id);
|
|
|
|
if (h3c->max_push_id != (uint64_t) -1 && max_push_id < h3c->max_push_id) {
|
|
return NGX_HTTP_V3_ERR_ID_ERROR;
|
|
}
|
|
|
|
h3c->max_push_id = max_push_id;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_goaway(ngx_connection_t *c, uint64_t push_id)
|
|
{
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 GOAWAY:%uL", push_id);
|
|
|
|
h3c->goaway_push_id = push_id;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_cancel_push(ngx_connection_t *c, uint64_t push_id)
|
|
{
|
|
ngx_queue_t *q;
|
|
ngx_http_request_t *r;
|
|
ngx_http_v3_push_t *push;
|
|
ngx_http_v3_session_t *h3c;
|
|
|
|
h3c = ngx_http_v3_get_session(c);
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 CANCEL_PUSH:%uL", push_id);
|
|
|
|
if (push_id >= h3c->next_push_id) {
|
|
return NGX_HTTP_V3_ERR_ID_ERROR;
|
|
}
|
|
|
|
for (q = ngx_queue_head(&h3c->pushing);
|
|
q != ngx_queue_sentinel(&h3c->pushing);
|
|
q = ngx_queue_next(&h3c->pushing))
|
|
{
|
|
push = (ngx_http_v3_push_t *) q;
|
|
|
|
if (push->id != push_id) {
|
|
continue;
|
|
}
|
|
|
|
r = push->connection->data;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"http3 cancel push");
|
|
|
|
ngx_http_finalize_request(r, NGX_HTTP_CLOSE);
|
|
|
|
break;
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id)
|
|
{
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"http3 cancel stream %ui", stream_id);
|
|
|
|
/* we do not use dynamic tables */
|
|
|
|
return NGX_OK;
|
|
}
|