diff options
| -rw-r--r-- | src/plugins/http_static/static_server.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/plugins/http_static/static_server.c b/src/plugins/http_static/static_server.c index 610ab78f817..16136d2d4ed 100644 --- a/src/plugins/http_static/static_server.c +++ b/src/plugins/http_static/static_server.c @@ -1657,6 +1657,81 @@ VLIB_CLI_COMMAND (http_show_static_server_command, static) = /* *INDENT-ON* */ static clib_error_t * +http_clear_static_cache_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + http_static_server_main_t *hsm = &http_static_server_main; + file_data_cache_t *dp; + u32 free_index; + u32 busy_items = 0; + BVT (clib_bihash_kv) kv; + + if (hsm->www_root == 0) + return clib_error_return (0, "Static server disabled"); + + http_static_server_sessions_reader_lock (); + + /* Walk the LRU list to find active entries */ + free_index = hsm->last_index; + while (free_index != ~0) + { + dp = pool_elt_at_index (hsm->cache_pool, free_index); + free_index = dp->prev_index; + /* Which could be in use... */ + if (dp->inuse) + { + busy_items++; + free_index = dp->next_index; + continue; + } + kv.key = (u64) (dp->filename); + kv.value = ~0ULL; + if (BV (clib_bihash_add_del) (&hsm->name_to_data, &kv, + 0 /* is_add */ ) < 0) + { + clib_warning ("BUG: cache clear delete '%s' FAILED!", dp->filename); + } + + lru_remove (hsm, dp); + hsm->cache_size -= vec_len (dp->data); + hsm->cache_evictions++; + vec_free (dp->filename); + vec_free (dp->data); + if (hsm->debug_level > 1) + clib_warning ("pool put index %d", dp - hsm->cache_pool); + pool_put (hsm->cache_pool, dp); + free_index = hsm->last_index; + } + http_static_server_sessions_reader_unlock (); + if (busy_items > 0) + vlib_cli_output (vm, "Note: %d busy items still in cache...", busy_items); + else + vlib_cli_output (vm, "Cache cleared..."); + return 0; +} + +/*? + * Clear the static http server cache, to force the server to + * reload content from backing files + * + * @cliexpar + * This command clear the static http server cache + * @clistart + * clear http static cache + * @cliend + * @cliexcmd{clear http static cache} +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (clear_http_static_cache_command, static) = +{ + .path = "clear http static cache", + .short_help = "clear http static cache", + .function = http_clear_static_cache_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * http_static_server_main_init (vlib_main_t * vm) { http_static_server_main_t *hsm = &http_static_server_main; |