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$upstream_addr

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This commit is contained in:
Igor Sysoev 2007-04-23 16:56:17 +00:00
parent 8a19bff2a5
commit 29f5912635
1 changed files with 76 additions and 0 deletions
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76
src/http/ngx_http_upstream.c
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@ -72,6 +72,8 @@ static ngx_int_t ngx_http_upstream_copy_content_encoding(ngx_http_request_t *r,
#endif
static ngx_int_t ngx_http_upstream_add_variables(ngx_conf_t *cf);
static ngx_int_t ngx_http_upstream_addr_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_upstream_status_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data);
static ngx_int_t ngx_http_upstream_response_time_variable(ngx_http_request_t *r,
@ -257,6 +259,9 @@ ngx_module_t ngx_http_upstream_module = {
static ngx_http_variable_t ngx_http_upstream_vars[] = {
{ ngx_string("upstream_addr"), NULL,
ngx_http_upstream_addr_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
{ ngx_string("upstream_status"), NULL,
ngx_http_upstream_status_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
@ -2508,6 +2513,77 @@ ngx_http_upstream_add_variables(ngx_conf_t *cf)
}
static ngx_int_t
ngx_http_upstream_addr_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)
{
u_char *p;
size_t len;
ngx_uint_t i;
ngx_http_upstream_state_t *state;
v->valid = 1;
v->no_cachable = 0;
v->not_found = 0;
if (r->upstream_states == NULL || r->upstream_states->nelts == 0) {
v->not_found = 1;
return NGX_OK;
}
len = 0;
state = r->upstream_states->elts;
for (i = 0; i < r->upstream_states->nelts; i++) {
if (state[i].peer) {
len += state[i].peer->len + 2;
} else {
len += 3;
}
}
p = ngx_palloc(r->pool, len);
if (p == NULL) {
return NGX_ERROR;
}
v->data = p;
i = 0;
for ( ;; ) {
if (state[i].peer) {
p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len);
}
if (++i == r->upstream_states->nelts) {
break;
}
if (state[i].peer) {
*p++ = ',';
*p++ = ' ';
} else {
*p++ = ' ';
*p++ = ':';
*p++ = ' ';
if (++i == r->upstream_states->nelts) {
break;
}
continue;
}
}
v->len = p - v->data;
return NGX_OK;
}
static ngx_int_t
ngx_http_upstream_status_variable(ngx_http_request_t *r,
ngx_http_variable_value_t *v, uintptr_t data)