2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * init.c: mechanism for functions to be called at init/exit.
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #include <vlib/vlib.h>
43 vlib_call_init_exit_functions (vlib_main_t * vm,
44 _vlib_init_function_list_elt_t *head,
47 clib_error_t * error = 0;
48 _vlib_init_function_list_elt_t * i;
53 if (call_once && !hash_get (vm->init_functions_called, i->f))
56 hash_set1 (vm->init_functions_called, i->f);
61 i = i->next_init_function;
66 clib_error_t * vlib_call_all_init_functions (vlib_main_t * vm)
68 /* Call dummy functions to make sure purely static modules are
70 #define _(f) vlib_##f##_reference ();
71 foreach_vlib_module_reference;
74 return vlib_call_init_exit_functions
75 (vm, vm->init_function_registrations, 1 /* call_once */);
78 clib_error_t * vlib_call_all_main_loop_enter_functions (vlib_main_t * vm)
80 return vlib_call_init_exit_functions
81 (vm, vm->main_loop_enter_function_registrations, 1 /* call_once */);
84 clib_error_t * vlib_call_all_main_loop_exit_functions (vlib_main_t * vm)
86 return vlib_call_init_exit_functions
87 (vm, vm->main_loop_exit_function_registrations, 1 /* call_once */);
90 clib_error_t * vlib_call_all_config_functions (vlib_main_t * vm,
91 unformat_input_t * input,
94 clib_error_t * error = 0;
95 vlib_config_function_runtime_t * c, ** all;
96 uword * hash = 0, * p;
99 hash = hash_create_string (0, sizeof (uword));
102 c = vm->config_function_registrations;
106 hash_set_mem (hash, c->name, vec_len (all));
108 unformat_init (&c->input, 0, 0);
109 c = c->next_registration;
112 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
116 if (! unformat (input, "%s %v", &s, &v)
117 || ! (p = hash_get_mem (hash, s)))
119 error = clib_error_create ("unknown input `%s %v'", s, v);
124 if (vec_len (c->input.buffer) > 0)
125 vec_add1 (c->input.buffer, ' ');
126 vec_add (c->input.buffer, v, vec_len (v));
131 for (i = 0; i < vec_len (all); i++)
135 /* Is this an early config? Are we doing early configs? */
136 if (is_early ^ c->is_early)
139 /* Already called? */
140 if (hash_get (vm->init_functions_called, c->function))
142 hash_set1 (vm->init_functions_called, c->function);
144 error = c->function (vm, &c->input);
150 for (i = 0; i < vec_len (all); i++)
153 unformat_free (&c->input);