Stream: set action before each recv/send while proxying.

Now it's clear from log error message if the error occurred on client or
upstream side.
This commit is contained in:
Roman Arutyunyan 2018-03-22 18:43:49 +03:00
parent 0ac57648eb
commit f39d5e8b33

View File

@ -801,8 +801,6 @@ ngx_stream_proxy_init_upstream(ngx_stream_session_t *s)
NGX_STREAM_UPSTREAM_NOTIFY_CONNECT);
}
c->log->action = "proxying connection";
if (u->upstream_buf.start == NULL) {
p = ngx_pnalloc(c->pool, pscf->buffer_size);
if (p == NULL) {
@ -1449,6 +1447,7 @@ static void
ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
ngx_uint_t do_write)
{
char *recv_action, *send_action;
off_t *received, limit;
size_t size, limit_rate;
ssize_t n;
@ -1492,6 +1491,8 @@ ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
received = &u->received;
out = &u->downstream_out;
busy = &u->downstream_busy;
recv_action = "proxying and reading from upstream";
send_action = "proxying and sending to client";
} else {
src = c;
@ -1501,6 +1502,8 @@ ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
received = &s->received;
out = &u->upstream_out;
busy = &u->upstream_busy;
recv_action = "proxying and reading from client";
send_action = "proxying and sending to upstream";
}
for ( ;; ) {
@ -1508,6 +1511,8 @@ ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
if (do_write && dst) {
if (*out || *busy || dst->buffered) {
c->log->action = send_action;
rc = ngx_stream_top_filter(s, *out, from_upstream);
if (rc == NGX_ERROR) {
@ -1551,6 +1556,8 @@ ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
}
}
c->log->action = recv_action;
n = src->recv(src, b->last, size);
if (n == NGX_AGAIN) {
@ -1620,6 +1627,8 @@ ngx_stream_proxy_process(ngx_stream_session_t *s, ngx_uint_t from_upstream,
break;
}
c->log->action = "proxying connection";
if (src->read->eof && dst && (dst->read->eof || !dst->buffered)) {
handler = c->log->handler;
c->log->handler = NULL;