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Vector Packet Processing
counter.c
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 /*
16  * counter.c: simple and packet/byte counters
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
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:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
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.
38  */
39 
40 #include <vlib/vlib.h>
41 
42 void
44 {
45  counter_t *my_counters;
46  uword i, j;
47 
48  for (i = 0; i < vec_len (cm->counters); i++)
49  {
50  my_counters = cm->counters[i];
51 
52  for (j = 0; j < vec_len (my_counters); j++)
53  {
54  my_counters[j] = 0;
55  }
56  }
57 }
58 
59 void
61 {
62  vlib_counter_t *my_counters;
63  uword i, j;
64 
65  for (i = 0; i < vec_len (cm->counters); i++)
66  {
67  my_counters = cm->counters[i];
68 
69  for (j = 0; j < vec_len (my_counters); j++)
70  {
71  my_counters[j].packets = 0;
72  my_counters[j].bytes = 0;
73  }
74  }
75 }
76 
77 void *vlib_stats_push_heap (void *) __attribute__ ((weak));
78 void *
79 vlib_stats_push_heap (void *unused)
80 {
81  return 0;
82 };
83 
84 void vlib_stats_pop_heap (void *, void *, u32, int) __attribute__ ((weak));
85 void
86 vlib_stats_pop_heap (void *notused, void *notused2, u32 i, int type)
87 {
88 };
89 
90 void
92 {
94  int i;
95  void *oldheap = vlib_stats_push_heap (cm->counters);
96 
97  vec_validate (cm->counters, tm->n_vlib_mains - 1);
98  for (i = 0; i < tm->n_vlib_mains; i++)
100 
101  vlib_stats_pop_heap (cm, oldheap, index,
102  2 /* STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE */ );
103 }
104 
105 void
107 {
109  int i;
110  void *oldheap = vlib_stats_push_heap (cm->counters);
111 
112  vec_validate (cm->counters, tm->n_vlib_mains - 1);
113  for (i = 0; i < tm->n_vlib_mains; i++)
115 
116  vlib_stats_pop_heap (cm, oldheap, index,
117  3 /*STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED */ );
118 }
119 
120 u32
122 {
123  ASSERT (cm->counters);
124  return (vec_len (cm->counters[0]));
125 }
126 
127 u32
129 {
130  ASSERT (cm->counters);
131  return (vec_len (cm->counters[0]));
132 }
133 
134 void
136 {
137  clib_warning ("unimplemented");
138 }
139 
140 void
142 {
143  clib_warning ("unimplemented");
144 }
145 
146 void
148 {
149  clib_warning ("unimplemented");
150 }
151 
152 void
154 {
155  clib_warning ("unimplemented");
156 }
157 
158 /*
159  * fd.io coding-style-patch-verification: ON
160  *
161  * Local Variables:
162  * eval: (c-set-style "gnu")
163  * End:
164  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
void serialize_vlib_simple_counter_main(serialize_main_t *m, va_list *va)
Definition: counter.c:135
u32 vlib_simple_counter_n_counters(const vlib_simple_counter_main_t *cm)
The number of counters (not the number of per-thread counters)
Definition: counter.c:128
void vlib_validate_combined_counter(vlib_combined_counter_main_t *cm, u32 index)
validate a combined counter
Definition: counter.c:106
Combined counter to hold both packets and byte differences.
Definition: counter_types.h:26
int i
#define vec_validate_aligned(V, I, A)
Make sure vector is long enough for given index (no header, specified alignment)
Definition: vec.h:450
vlib_counter_t ** counters
Per-thread u64 non-atomic counter pairs.
Definition: counter.h:190
void vlib_clear_combined_counters(vlib_combined_counter_main_t *cm)
Clear a collection of combined counters.
Definition: counter.c:60
uint64_t counter_t
64bit counters
Definition: counter_types.h:22
void unserialize_vlib_simple_counter_main(serialize_main_t *m, va_list *va)
Definition: counter.c:141
unsigned int u32
Definition: types.h:88
A collection of simple counters.
Definition: counter.h:57
void serialize_vlib_combined_counter_main(serialize_main_t *m, va_list *va)
Definition: counter.c:147
counter_t packets
packet counter
Definition: counter_types.h:28
u32 vlib_combined_counter_n_counters(const vlib_combined_counter_main_t *cm)
The number of counters (not the number of per-thread counters)
Definition: counter.c:121
void * vlib_stats_push_heap(void *)
Definition: counter.c:79
#define clib_warning(format, args...)
Definition: error.h:59
void vlib_validate_simple_counter(vlib_simple_counter_main_t *cm, u32 index)
validate a simple counter
Definition: counter.c:91
void unserialize_vlib_combined_counter_main(serialize_main_t *m, va_list *va)
Definition: counter.c:153
#define ASSERT(truth)
counter_t bytes
byte counter
Definition: counter_types.h:29
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u64 uword
Definition: types.h:112
A collection of combined counters.
Definition: counter.h:188
counter_t ** counters
Per-thread u64 non-atomic counters.
Definition: counter.h:59
void vlib_clear_simple_counters(vlib_simple_counter_main_t *cm)
Clear a collection of simple counters.
Definition: counter.c:43
void vlib_stats_pop_heap(void *, void *, u32, int)
Definition: counter.c:86
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59