proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass

1 files changed, 52 insertions, 3 deletions

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 51c34c8a9..8ee5aeabd 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -633,9 +633,17 @@ ngx_http_upstream_cache(ngx_http_request_t *r, ngx_http_upstream_t *u)
 
     if (c == NULL) {
 
-        rc = ngx_http_test_predicates(r, u->conf->no_cache);
-        if (rc != NGX_OK) {
-            return rc;
+        switch (ngx_http_test_predicates(r, u->conf->cache_bypass)) {
+
+        case NGX_ERROR:
+            return NGX_ERROR;
+
+        case NGX_DECLINED:
+            u->cache_status = NGX_HTTP_CACHE_BYPASS;
+            return NGX_DECLINED;
+
+        default: /* NGX_OK */
+            break;
         }
 
         if (!(r->method & u->conf->cache_methods)) {
@@ -2090,6 +2098,47 @@ ngx_http_upstream_send_response(ngx_http_request_t *r, ngx_http_upstream_t *u)
         r->cache->file.fd = NGX_INVALID_FILE;
     }
 
+    switch (ngx_http_test_predicates(r, u->conf->no_cache)) {
+
+    case NGX_ERROR:
+        ngx_http_upstream_finalize_request(r, u, 0);
+        return;
+
+    case NGX_DECLINED:
+        u->cacheable = 0;
+        break;
+
+    default: /* NGX_OK */
+
+        if (u->cache_status == NGX_HTTP_CACHE_BYPASS) {
+
+            if (ngx_http_file_cache_new(r) != NGX_OK) {
+                ngx_http_upstream_finalize_request(r, u, 0);
+                return;
+            }
+
+            if (u->create_key(r) != NGX_OK) {
+                ngx_http_upstream_finalize_request(r, u, 0);
+                return;
+            }
+
+            /* TODO: add keys */
+
+            r->cache->min_uses = u->conf->cache_min_uses;
+            r->cache->body_start = u->conf->buffer_size;
+            r->cache->file_cache = u->conf->cache->data;
+
+            if (ngx_http_file_cache_create(r) != NGX_OK) {
+                ngx_http_upstream_finalize_request(r, u, 0);
+                return;
+            }
+
+            u->cacheable = 1;
+        }
+
+        break;
+    }
+
     if (u->cacheable) {
         time_t  now, valid;