QUIC: post close event for connection close.

Previously, close event was used only for close timeout, while read event was
used for posting connection close.
This commit is contained in:
Roman Arutyunyan 2022-09-07 19:25:13 +04:00
parent 62b928a45f
commit a89167c247
2 changed files with 26 additions and 23 deletions

View File

@ -15,8 +15,7 @@ static ngx_quic_connection_t *ngx_quic_new_connection(ngx_connection_t *c,
static ngx_int_t ngx_quic_handle_stateless_reset(ngx_connection_t *c, static ngx_int_t ngx_quic_handle_stateless_reset(ngx_connection_t *c,
ngx_quic_header_t *pkt); ngx_quic_header_t *pkt);
static void ngx_quic_input_handler(ngx_event_t *rev); static void ngx_quic_input_handler(ngx_event_t *rev);
static void ngx_quic_close_handler(ngx_event_t *ev);
static void ngx_quic_close_timer_handler(ngx_event_t *ev);
static ngx_int_t ngx_quic_handle_datagram(ngx_connection_t *c, ngx_buf_t *b, static ngx_int_t ngx_quic_handle_datagram(ngx_connection_t *c, ngx_buf_t *b,
ngx_quic_conf_t *conf); ngx_quic_conf_t *conf);
@ -283,6 +282,11 @@ ngx_quic_new_connection(ngx_connection_t *c, ngx_quic_conf_t *conf,
qc->push.handler = ngx_quic_push_handler; qc->push.handler = ngx_quic_push_handler;
qc->push.cancelable = 1; qc->push.cancelable = 1;
qc->close.log = c->log;
qc->close.data = c;
qc->close.handler = ngx_quic_close_handler;
qc->close.cancelable = 1;
qc->path_validation.log = c->log; qc->path_validation.log = c->log;
qc->path_validation.data = c; qc->path_validation.data = c;
qc->path_validation.handler = ngx_quic_path_validation_handler; qc->path_validation.handler = ngx_quic_path_validation_handler;
@ -420,19 +424,11 @@ ngx_quic_input_handler(ngx_event_t *rev)
return; return;
} }
if (!rev->ready) { b = c->udp->buffer;
if (qc->closing) { if (b == NULL) {
ngx_quic_close_connection(c, NGX_OK);
} else if (qc->shutdown) {
ngx_quic_shutdown_quic(c);
}
return; return;
} }
b = c->udp->buffer;
rc = ngx_quic_handle_datagram(c, b, NULL); rc = ngx_quic_handle_datagram(c, b, NULL);
if (rc == NGX_ERROR) { if (rc == NGX_ERROR) {
@ -520,11 +516,6 @@ ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
qc->error_reason ? qc->error_reason : ""); qc->error_reason ? qc->error_reason : "");
if (rc == NGX_OK) { if (rc == NGX_OK) {
qc->close.log = c->log;
qc->close.data = c;
qc->close.handler = ngx_quic_close_timer_handler;
qc->close.cancelable = 1;
ctx = ngx_quic_get_send_ctx(qc, qc->error_level); ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx)); ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
} }
@ -570,6 +561,10 @@ ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
return; return;
} }
if (qc->close.posted) {
ngx_delete_posted_event(&qc->close);
}
ngx_quic_close_sockets(c); ngx_quic_close_sockets(c);
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic close completed"); ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic close completed");
@ -633,14 +628,22 @@ ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
static void static void
ngx_quic_close_timer_handler(ngx_event_t *ev) ngx_quic_close_handler(ngx_event_t *ev)
{ {
ngx_connection_t *c; ngx_connection_t *c;
ngx_quic_connection_t *qc;
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer"); ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close handler");
c = ev->data; c = ev->data;
ngx_quic_close_connection(c, NGX_DONE); qc = ngx_quic_get_connection(c);
if (qc->closing) {
ngx_quic_close_connection(c, NGX_OK);
} else if (qc->shutdown) {
ngx_quic_shutdown_quic(c);
}
} }

View File

@ -1031,7 +1031,7 @@ ngx_quic_close_stream(ngx_quic_stream_t *qs)
if (qc->closing) { if (qc->closing) {
/* schedule handler call to continue ngx_quic_close_connection() */ /* schedule handler call to continue ngx_quic_close_connection() */
ngx_post_event(pc->read, &ngx_posted_events); ngx_post_event(&qc->close, &ngx_posted_events);
return NGX_OK; return NGX_OK;
} }
@ -1057,7 +1057,7 @@ ngx_quic_close_stream(ngx_quic_stream_t *qs)
} }
if (qc->shutdown) { if (qc->shutdown) {
ngx_post_event(pc->read, &ngx_posted_events); ngx_post_event(&qc->close, &ngx_posted_events);
} }
return NGX_OK; return NGX_OK;