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QUIC: added connection state debug to event handlers.

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This commit is contained in:
Vladimir Homutov 2020-10-26 23:17:54 +03:00
parent 1d9e9a1a29
commit d35db4b3eb
1 changed files with 77 additions and 10 deletions
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87
src/event/ngx_event_quic.c
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@ -551,9 +551,74 @@ ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx)
p - buf, buf);
}
static void
ngx_quic_connstate_dbg(ngx_connection_t *c)
{
u_char *p, *last;
ngx_quic_connection_t *qc;
u_char buf[NGX_MAX_ERROR_STR];
p = buf;
last = p + sizeof(buf);
qc = c->quic;
p = ngx_slprintf(p, last, "state:");
if (qc) {
if (qc->error) {
p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
p = ngx_slprintf(p, last, " error:%ui", qc->error);
if (qc->error_reason) {
p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
}
}
p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
p = ngx_slprintf(p, last, "%s", qc->in_retry ? " retry" : "");
p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
} else {
p = ngx_slprintf(p, last, " early");
}
if (c->read->timer_set) {
p = ngx_slprintf(p, last,
qc && qc->send_timer_set ? " send:%M" : " read:%M",
c->read->timer.key - ngx_current_msec);
}
if (qc) {
if (qc->push.timer_set) {
p = ngx_slprintf(p, last, " push:%M",
qc->push.timer.key - ngx_current_msec);
}
if (qc->pto.timer_set) {
p = ngx_slprintf(p, last, " pto:%M",
qc->pto.timer.key - ngx_current_msec);
}
if (qc->close.timer_set) {
p = ngx_slprintf(p, last, " close:%M",
qc->close.timer.key - ngx_current_msec);
}
}
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
"quic %*s", p - buf, buf);
}
#else
#define ngx_quic_log_frame(log, f, tx)
#define ngx_quic_connstate_dbg(c)
#endif
@ -868,6 +933,7 @@ ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf)
c->read->handler = ngx_quic_input_handler;
ngx_quic_connstate_dbg(c);
return;
}
@ -1573,6 +1639,8 @@ ngx_quic_input_handler(ngx_event_t *rev)
qc->send_timer_set = 0;
ngx_add_timer(rev, qc->tp.max_idle_timeout);
ngx_quic_connstate_dbg(c);
}
@ -1852,17 +1920,10 @@ ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b, ngx_quic_conf_t *conf)
#if (NGX_DEBUG)
if (pkt.parsed) {
ngx_quic_connection_t *qc;
qc = c->quic;
ngx_log_debug8(NGX_LOG_DEBUG_EVENT, c->log, 0,
"quic pkt done %s decr:%d pn:%L pe:%ui rc:%i"
" closing:%d err:%ui %s",
ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
"quic %s pkt done decr:%d pn:%L perr:%ui rc:%i",
ngx_quic_level_name(pkt.level), pkt.decrypted,
pkt.pn, pkt.error, rc, (qc && qc->closing) ? 1 : 0,
qc ? qc->error : 0,
(qc && qc->error_reason) ? qc->error_reason : "");
pkt.pn, pkt.error, rc);
} else {
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"quic pkt done parse failed rc:%i", rc);
@ -4610,6 +4671,8 @@ ngx_quic_pto_handler(ngx_event_t *ev)
ngx_quic_resend_frames(c, ctx);
}
ngx_quic_connstate_dbg(c);
}
@ -4626,6 +4689,8 @@ ngx_quic_push_handler(ngx_event_t *ev)
ngx_quic_close_connection(c, NGX_ERROR);
return;
}
ngx_quic_connstate_dbg(c);
}
@ -4641,6 +4706,8 @@ void ngx_quic_lost_handler(ngx_event_t *ev)
if (ngx_quic_detect_lost(c) != NGX_OK) {
ngx_quic_close_connection(c, NGX_ERROR);
}
ngx_quic_connstate_dbg(c);
}