interface: add api test file

[vpp.git] / src / vat / main.c

diff --git a/src/vat/main.c b/src/vat/main.c
index a6779c5..d052493 100644 (file)
--- a/src/vat/main.c
+++ b/src/vat/main.c
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 #include "vat.h"
+#include <dlfcn.h>
 #include "plugin.h"
 #include <signal.h>
 #include <limits.h>
@@ -42,15 +43,16 @@ connect_to_vpe (char *name)
   return 0;
 }
 
-vlib_main_t vlib_global_main;
-vlib_main_t **vlib_mains;
+/* *INDENT-OFF* */
+
+vlib_global_main_t vlib_global_main;
+
 void
 vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...)
 {
   clib_warning ("BUG");
 }
 
-
 static u8 *
 format_api_error (u8 * s, va_list * args)
 {
@@ -108,7 +110,9 @@ do_one_file (vat_main_t * vam)
 
       this_cmd =
        (u8 *) clib_macro_eval (&vam->macro_main, (i8 *) vam->inbuf,
-                               1 /* complain */ );
+                               1 /* complain */ ,
+                               0 /* level */ ,
+                               8 /* max_level */ );
 
       if (vam->exec_mode == 0)
        {
@@ -178,7 +182,7 @@ do_one_file (vat_main_t * vam)
       if (vam->regenerate_interface_table)
        {
          vam->regenerate_interface_table = 0;
-         api_sw_interface_dump (vam);
+         vam->api_sw_interface_dump (vam);
        }
 
       /* Hack to pick up new client index after memfd_segment_create pivot */
@@ -310,15 +314,101 @@ vat_find_plugin_path ()
     return;
   *p = 0;
 
-  s = format (0, "%s/lib/" CLIB_TARGET_TRIPLET "/vpp_api_test_plugins:"
-             "%s/lib/vpp_api_test_plugins", path, path);
+  s = format (0, "%s/" CLIB_LIB_DIR "/vpp_api_test_plugins", path, path);
   vec_add1 (s, 0);
   vat_plugin_path = (char *) s;
 }
 
+static void
+load_features (void)
+{
+  vat_registered_features_t *f;
+  vat_main_t *vam = &vat_main;
+  clib_error_t *error;
+
+  f = vam->feature_function_registrations;
+
+  while (f)
+    {
+      error = f->function (vam);
+      if (error)
+       {
+         clib_warning ("INIT FAILED");
+       }
+      f = f->next;
+    }
+}
+
+static inline clib_error_t *
+call_init_exit_functions_internal (vlib_main_t *vm,
+                                  _vlib_init_function_list_elt_t **headp,
+                                  int call_once, int do_sort, int is_global)
+{
+  vlib_global_main_t *vgm = vlib_get_global_main ();
+  clib_error_t *error = 0;
+  _vlib_init_function_list_elt_t *i;
+
+  ASSERT (is_global == 1);
+
+#if 0
+  /* Not worth copying the topological sort code */
+  if (do_sort && (error = vlib_sort_init_exit_functions (headp)))
+    return (error);
+#endif
+
+  i = *headp;
+  while (i)
+    {
+      if (call_once && !hash_get (vgm->init_functions_called, i->f))
+       {
+         if (call_once)
+           hash_set1 (vgm->init_functions_called, i->f);
+         error = i->f (vm);
+         if (error)
+           return error;
+       }
+      i = i->next_init_function;
+    }
+  return error;
+}
+
+clib_error_t *
+vlib_call_init_exit_functions (vlib_main_t *vm,
+                              _vlib_init_function_list_elt_t **headp,
+                              int call_once, int is_global)
+{
+  return call_init_exit_functions_internal (vm, headp, call_once,
+                                           1 /* do_sort */, is_global);
+}
+
+static void
+vat_register_interface_dump (vat_main_t *vam)
+{
+  void *handle;
+  plugin_info_t *pi;
+
+  vec_foreach (pi, vat_plugin_main.plugin_info)
+    {
+      handle = dlsym (pi->handle, "api_sw_interface_dump");
+      if (handle)
+       {
+         vam->api_sw_interface_dump = handle;
+         break;
+       }
+    }
+
+  if (!vam->api_sw_interface_dump)
+    {
+      fformat (stderr,
+              "sw_interface_dump not found in interface_test plugin!\n");
+      exit (1);
+    }
+}
+
 int
 main (int argc, char **argv)
 {
+  vlib_global_main_t *vgm = vlib_get_global_main ();
   vat_main_t *vam = &vat_main;
   unformat_input_t _argv, *a = &_argv;
   u8 **input_files = 0;
@@ -329,8 +419,12 @@ main (int argc, char **argv)
   u8 json_output = 0;
   int i;
   f64 timeout;
+  clib_error_t *error;
+  vlib_main_t *vm;
 
   clib_mem_init_thread_safe (0, 128 << 20);
+  vlib_main_init ();
+  vm = vlib_get_first_main ();
 
   clib_macro_init (&vam->macro_main);
   clib_macro_add_builtin (&vam->macro_main, "current_file",
@@ -415,14 +509,35 @@ main (int argc, char **argv)
 
   vam->json_output = json_output;
 
-  if (!json_output)
-    api_sw_interface_dump (vam);
-
   vec_validate (vam->inbuf, 4096);
 
+  load_features ();
+
   vam->current_file = (u8 *) "plugin-init";
   vat_plugin_init (vam);
 
+  vat_register_interface_dump (vam);
+
+  if (!json_output)
+    vam->api_sw_interface_dump (vam);
+
+  /* Set up the init function hash table */
+  vgm->init_functions_called = hash_create (0, 0);
+
+  /* Execute plugin init and api_init functions */
+  error = vlib_call_init_exit_functions (vm, &vgm->init_function_registrations,
+                                        1 /* call once */, 1 /* is_global*/);
+
+  if (error)
+    clib_error_report (error);
+
+  error =
+    vlib_call_init_exit_functions (vm, &vgm->api_init_function_registrations,
+                                  1 /* call_once */, 1 /* is_global */);
+
+  if (error)
+    clib_error_report (error);
+
   for (i = 0; i < vec_len (input_files); i++)
     {
       vam->ifp = fopen ((char *) input_files[i], "r");