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Upstream: $upstream_connect_time.

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The variable keeps time spent on establishing a connection with
the upstream server.
This commit is contained in:
Ruslan Ermilov 2015-05-16 01:32:27 +03:00
parent b070e2d713
commit 4b9b16d27d
2 changed files with 14 additions and 1 deletions
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14
src/http/ngx_http_upstream.c
View File

@ -363,6 +363,10 @@ static ngx_http_variable_t ngx_http_upstream_vars[] = {
ngx_http_upstream_status_variable, 0,
NGX_HTTP_VAR_NOCACHEABLE, 0 },
{ ngx_string("upstream_connect_time"), NULL,
ngx_http_upstream_response_time_variable, 2,
NGX_HTTP_VAR_NOCACHEABLE, 0 },
{ ngx_string("upstream_header_time"), NULL,
ngx_http_upstream_response_time_variable, 1,
NGX_HTTP_VAR_NOCACHEABLE, 0 },
@ -1318,6 +1322,7 @@ ngx_http_upstream_connect(ngx_http_request_t *r, ngx_http_upstream_t *u)
ngx_memzero(u->state, sizeof(ngx_http_upstream_state_t));
u->state->response_time = ngx_current_msec;
u->state->connect_time = (ngx_msec_t) -1;
u->state->header_time = (ngx_msec_t) -1;
rc = ngx_event_connect_peer(&u->peer);
@ -1760,6 +1765,10 @@ ngx_http_upstream_send_request(ngx_http_request_t *r, ngx_http_upstream_t *u,
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http upstream send request");
if (u->state->connect_time == (ngx_msec_t) -1) {
u->state->connect_time = ngx_current_msec - u->state->response_time;
}
if (!u->request_sent && ngx_http_upstream_test_connect(c) != NGX_OK) {
ngx_http_upstream_next(r, u, NGX_HTTP_UPSTREAM_FT_ERROR);
return;
@ -5009,9 +5018,12 @@ ngx_http_upstream_response_time_variable(ngx_http_request_t *r,
for ( ;; ) {
if (state[i].status) {
if (data && state[i].header_time != (ngx_msec_t) -1) {
if (data == 1 && state[i].header_time != (ngx_msec_t) -1) {
ms = state[i].header_time;
} else if (data == 2 && state[i].connect_time != (ngx_msec_t) -1) {
ms = state[i].connect_time;
} else {
ms = state[i].response_time;
}

1
src/http/ngx_http_upstream.h
View File

@ -59,6 +59,7 @@ typedef struct {
ngx_uint_t status;
ngx_msec_t response_time;
ngx_msec_t connect_time;
ngx_msec_t header_time;
off_t response_length;