Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 168 insertions, 0 deletions

diff --git a/src/vlib/init.c b/src/vlib/init.c
new file mode 100644
index 00000000000..8d4784513ab
--- /dev/null
+++ b/src/vlib/init.c
@@ -0,0 +1,168 @@
+/*
+ * 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.
+ */
+/*
+ * init.c: mechanism for functions to be called at init/exit.
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <vlib/vlib.h>
+
+clib_error_t *
+vlib_call_init_exit_functions (vlib_main_t * vm,
+			       _vlib_init_function_list_elt_t * head,
+			       int call_once)
+{
+  clib_error_t *error = 0;
+  _vlib_init_function_list_elt_t *i;
+
+  i = head;
+  while (i)
+    {
+      if (call_once && !hash_get (vm->init_functions_called, i->f))
+	{
+	  if (call_once)
+	    hash_set1 (vm->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_all_init_functions (vlib_main_t * vm)
+{
+  /* Call dummy functions to make sure purely static modules are
+     linked in. */
+#define _(f) vlib_##f##_reference ();
+  foreach_vlib_module_reference;
+#undef _
+
+  return vlib_call_init_exit_functions
+    (vm, vm->init_function_registrations, 1 /* call_once */ );
+}
+
+clib_error_t *
+vlib_call_all_main_loop_enter_functions (vlib_main_t * vm)
+{
+  return vlib_call_init_exit_functions
+    (vm, vm->main_loop_enter_function_registrations, 1 /* call_once */ );
+}
+
+clib_error_t *
+vlib_call_all_main_loop_exit_functions (vlib_main_t * vm)
+{
+  return vlib_call_init_exit_functions
+    (vm, vm->main_loop_exit_function_registrations, 1 /* call_once */ );
+}
+
+clib_error_t *
+vlib_call_all_config_functions (vlib_main_t * vm,
+				unformat_input_t * input, int is_early)
+{
+  clib_error_t *error = 0;
+  vlib_config_function_runtime_t *c, **all;
+  uword *hash = 0, *p;
+  uword i;
+
+  hash = hash_create_string (0, sizeof (uword));
+  all = 0;
+
+  c = vm->config_function_registrations;
+
+  while (c)
+    {
+      hash_set_mem (hash, c->name, vec_len (all));
+      vec_add1 (all, c);
+      unformat_init (&c->input, 0, 0);
+      c = c->next_registration;
+    }
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      u8 *s, *v;
+
+      if (!unformat (input, "%s %v", &s, &v) || !(p = hash_get_mem (hash, s)))
+	{
+	  error = clib_error_create ("unknown input `%s %v'", s, v);
+	  goto done;
+	}
+
+      c = all[p[0]];
+      if (vec_len (c->input.buffer) > 0)
+	vec_add1 (c->input.buffer, ' ');
+      vec_add (c->input.buffer, v, vec_len (v));
+      vec_free (v);
+      vec_free (s);
+    }
+
+  for (i = 0; i < vec_len (all); i++)
+    {
+      c = all[i];
+
+      /* Is this an early config? Are we doing early configs? */
+      if (is_early ^ c->is_early)
+	continue;
+
+      /* Already called? */
+      if (hash_get (vm->init_functions_called, c->function))
+	continue;
+      hash_set1 (vm->init_functions_called, c->function);
+
+      error = c->function (vm, &c->input);
+      if (error)
+	goto done;
+    }
+
+done:
+  for (i = 0; i < vec_len (all); i++)
+    {
+      c = all[i];
+      unformat_free (&c->input);
+    }
+  vec_free (all);
+  hash_free (hash);
+  return error;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */