diff options
Diffstat (limited to 'vpp-api-test/vat/plugin.c')
| -rw-r--r-- | vpp-api-test/vat/plugin.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/vpp-api-test/vat/plugin.c b/vpp-api-test/vat/plugin.c deleted file mode 100644 index c1cc928c217..00000000000 --- a/vpp-api-test/vat/plugin.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* - * plugin.c: plugin handling - */ - -#include <vat/vat.h> -#include <vat/plugin.h> -#include <dlfcn.h> -#include <dirent.h> - -plugin_main_t vat_plugin_main; - -static int -load_one_plugin (plugin_main_t * pm, plugin_info_t * pi) -{ - void *handle, *register_handle; - clib_error_t *(*fp) (vat_main_t *); - clib_error_t *error; - - handle = dlopen ((char *) pi->name, RTLD_LAZY); - - /* - * Note: this can happen if the plugin has an undefined symbol reference, - * so print a warning. Otherwise, the poor slob won't know what happened. - * Ask me how I know that... - */ - if (handle == 0) - { - clib_warning ("%s", dlerror ()); - return -1; - } - - pi->handle = handle; - - register_handle = dlsym (pi->handle, "vat_plugin_register"); - if (register_handle == 0) - return 0; - - fp = register_handle; - - error = (*fp) (pm->vat_main); - - if (error) - { - clib_error_report (error); - dlclose (handle); - return 1; - } - - clib_warning ("Loaded plugin: %s", pi->name); - - return 0; -} - -static u8 ** -split_plugin_path (plugin_main_t * pm) -{ - int i; - u8 **rv = 0; - u8 *path = pm->plugin_path; - u8 *this = 0; - - for (i = 0; i < vec_len (pm->plugin_path); i++) - { - if (path[i] != ':') - { - vec_add1 (this, path[i]); - continue; - } - vec_add1 (this, 0); - vec_add1 (rv, this); - this = 0; - } - if (this) - { - vec_add1 (this, 0); - vec_add1 (rv, this); - } - return rv; -} - -int -vat_load_new_plugins (plugin_main_t * pm) -{ - DIR *dp; - struct dirent *entry; - struct stat statb; - uword *p; - plugin_info_t *pi; - u8 **plugin_path; - int i; - - plugin_path = split_plugin_path (pm); - - for (i = 0; i < vec_len (plugin_path); i++) - { - dp = opendir ((char *) plugin_path[i]); - - if (dp == 0) - continue; - - while ((entry = readdir (dp))) - { - u8 *plugin_name; - - if (pm->plugin_name_filter) - { - int j; - for (j = 0; j < vec_len (pm->plugin_name_filter); j++) - if (entry->d_name[j] != pm->plugin_name_filter[j]) - goto next; - } - - plugin_name = format (0, "%s/%s%c", plugin_path[i], - entry->d_name, 0); - - /* unreadable */ - if (stat ((char *) plugin_name, &statb) < 0) - { - ignore: - vec_free (plugin_name); - continue; - } - - /* a dir or other things which aren't plugins */ - if (!S_ISREG (statb.st_mode)) - goto ignore; - - p = hash_get_mem (pm->plugin_by_name_hash, plugin_name); - if (p == 0) - { - vec_add2 (pm->plugin_info, pi, 1); - pi->name = plugin_name; - pi->file_info = statb; - - if (load_one_plugin (pm, pi)) - { - vec_free (plugin_name); - _vec_len (pm->plugin_info) = vec_len (pm->plugin_info) - 1; - continue; - } - memset (pi, 0, sizeof (*pi)); - hash_set_mem (pm->plugin_by_name_hash, plugin_name, - pi - pm->plugin_info); - } - next: - ; - } - closedir (dp); - vec_free (plugin_path[i]); - } - vec_free (plugin_path); - return 0; -} - -#define QUOTE_(x) #x -#define QUOTE(x) QUOTE_(x) - -/* - * Load plugins from /usr/lib/vpp_api_test_plugins by default - */ -char *vat_plugin_path = "/usr/lib/vpp_api_test_plugins"; - -char *vat_plugin_name_filter = 0; - -int -vat_plugin_init (vat_main_t * vam) -{ - plugin_main_t *pm = &vat_plugin_main; - - - pm->plugin_path = format (0, "%s%c", vat_plugin_path, 0); - if (vat_plugin_name_filter) - pm->plugin_name_filter = format (0, "%s%c", vat_plugin_name_filter, 0); - - pm->plugin_by_name_hash = hash_create_string (0, sizeof (uword)); - pm->vat_main = vam; - - return vat_load_new_plugins (pm); -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |