local_handler: Check if uri->meta is NULL

src/cache_handler.c

@@ -439,7 +439,8 @@ void cache_init_uri(cache_t *cache, http_uri *uri) {
             cache_update_entry(entry, uri->filename, uri->webroot);
             uri->meta = &entry->meta;
         } else {
-            warning("No empty cache entry slot found");
+            error("No empty cache entry slot found");
+            // FIXME populate uri->meta with temporary data
         }
     } else {
         uri->meta = &entry->meta;

src/cache_handler.h

@@ -11,7 +11,7 @@
 
 #include "lib/uri.h"
 
-#define CACHE_ENTRIES 1024
+#define CACHE_ENTRIES 8192
 
 #define CACHE_DIRTY 1
 

src/worker/local_handler.c

@@ -165,9 +165,14 @@ static int local_handler(client_ctx_t *ctx) {
         return 0;
     }
 
-    res->status = http_get_status(200);
     cache_init_uri(ctx->conf->cache, uri);
+    if (uri->meta == NULL) {
+        res->status = http_get_status(500);
+        sprintf(err_msg, "Could not load metadata of file because all cache entry slots are occupied.");
+        return 0;
+    }
 
+    res->status = http_get_status(200);
     http_add_header_field(&res->hdr, "Accept-Ranges", mime_is_text(uri->meta->type) ? "bytes, lines" : "bytes");
 
     if (!streq(req->method, "GET") && !streq(req->method, "HEAD")) {