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error.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2015 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* error.h: drop/punt error packets
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*
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* Copyright (c) 2008 Eliot Dresselhaus
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef included_vlib_error_h
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#define included_vlib_error_h
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/* Combined 16 bit node & 16 bit code as 32 bit number. */
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typedef
u32
vlib_error_t
;
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always_inline
u32
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vlib_error_get_node
(
vlib_error_t
e)
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{
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return
e >> 12;
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}
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always_inline
u32
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vlib_error_get_code
(
vlib_error_t
e)
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{
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return
e & 0xfff;
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}
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always_inline
vlib_error_t
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vlib_error_set
(
u32
node_index,
u32
code)
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{
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ASSERT
(node_index < (1 << 20));
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ASSERT
(code < (1 << 12));
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return
(node_index << 12) | code;
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}
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always_inline
vlib_error_t
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vlib_error_set_code
(
vlib_error_t
e,
u32
code)
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{
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ASSERT
(
vlib_error_get_code
(e) == 0);
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ASSERT
(code < (1 << 12));
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e |= code;
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return
e;
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}
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typedef
struct
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{
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/* Error counters. */
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u64
*
counters
;
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/* Counter values as of last counter clear. */
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u64
*
counters_last_clear
;
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/* Error name strings in heap. Heap index
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indexes counter vector. */
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char
**
error_strings_heap
;
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}
vlib_error_main_t
;
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/* Per node error registration. */
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void
vlib_register_errors
(
struct
vlib_main_t
*
vm
,
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u32
node_index,
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u32
n_errors,
char
*error_strings[]);
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#endif
/* included_vlib_error_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
vlib_error_main_t::counters_last_clear
u64 * counters_last_clear
Definition:
error.h:81
always_inline
#define always_inline
Definition:
clib.h:92
vlib_register_errors
void vlib_register_errors(struct vlib_main_t *vm, u32 node_index, u32 n_errors, char *error_strings[])
Definition:
error.c:145
u64
unsigned long u64
Definition:
types.h:89
vlib_error_set
static vlib_error_t vlib_error_set(u32 node_index, u32 code)
Definition:
error.h:59
vlib_error_t
u32 vlib_error_t
Definition:
error.h:44
vlib_error_get_code
static u32 vlib_error_get_code(vlib_error_t e)
Definition:
error.h:53
vlib_error_main_t::counters
u64 * counters
Definition:
error.h:78
vlib_error_set_code
static vlib_error_t vlib_error_set_code(vlib_error_t e, u32 code)
Definition:
error.h:67
vlib_error_main_t::error_strings_heap
char ** error_strings_heap
Definition:
error.h:85
vm
vlib_main_t * vm
Definition:
buffer.c:283
ASSERT
#define ASSERT(truth)
Definition:
error_bootstrap.h:69
u32
unsigned int u32
Definition:
types.h:88
vlib_main_t
Definition:
main.h:59
vlib_error_main_t
Definition:
error.h:75
vlib_error_get_node
static u32 vlib_error_get_node(vlib_error_t e)
Definition:
error.h:47
src
vlib
error.h
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