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/*
* Copyright (c) 2018 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.
*/
#ifndef included_stat_segment_h
#define included_stat_segment_h
#include <vlib/vlib.h>
#include <vppinfra/socket.h>
#include <vpp/stats/stat_segment_shared.h>
typedef enum
{
STAT_COUNTER_NUM_WORKER_THREADS = 0,
STAT_COUNTER_INPUT_RATE,
STAT_COUNTER_LAST_UPDATE,
STAT_COUNTER_LAST_STATS_CLEAR,
STAT_COUNTER_HEARTBEAT,
STAT_COUNTER_NODE_CLOCKS,
STAT_COUNTER_NODE_VECTORS,
STAT_COUNTER_NODE_CALLS,
STAT_COUNTER_NODE_SUSPENDS,
STAT_COUNTER_INTERFACE_NAMES,
STAT_COUNTER_NODE_NAMES,
STAT_COUNTERS
} stat_segment_counter_t;
/* clang-format off */
#define foreach_stat_segment_node_counter_name \
_ (NODE_CLOCKS, COUNTER_VECTOR_SIMPLE, clocks, /sys/node) \
_ (NODE_VECTORS, COUNTER_VECTOR_SIMPLE, vectors, /sys/node) \
_ (NODE_CALLS, COUNTER_VECTOR_SIMPLE, calls, /sys/node) \
_ (NODE_SUSPENDS, COUNTER_VECTOR_SIMPLE, suspends, /sys/node)
#define foreach_stat_segment_counter_name \
_ (NUM_WORKER_THREADS, SCALAR_INDEX, num_worker_threads, /sys) \
_ (INPUT_RATE, SCALAR_INDEX, input_rate, /sys) \
_ (LAST_UPDATE, SCALAR_INDEX, last_update, /sys) \
_ (LAST_STATS_CLEAR, SCALAR_INDEX, last_stats_clear, /sys) \
_ (HEARTBEAT, SCALAR_INDEX, heartbeat, /sys) \
_ (INTERFACE_NAMES, NAME_VECTOR, names, /if) \
_ (NODE_NAMES, NAME_VECTOR, names, /sys/node) \
foreach_stat_segment_node_counter_name
/* clang-format on */
/* Default stat segment 32m */
#define STAT_SEGMENT_DEFAULT_SIZE (32<<20)
/* Shared segment memory layout version */
#define STAT_SEGMENT_VERSION 2
#define STAT_SEGMENT_INDEX_INVALID UINT32_MAX
typedef void (*stat_segment_update_fn)(stat_segment_directory_entry_t * e, u32 i);
typedef struct {
u32 directory_index;
stat_segment_update_fn fn;
u32 caller_index;
} stat_segment_gauges_pool_t;
typedef struct
{
/* internal, does not point to shared memory */
stat_segment_gauges_pool_t *gauges;
/* statistics segment */
uword *directory_vector_by_name;
stat_segment_directory_entry_t *directory_vector;
volatile u64 **error_vector;
u8 **interfaces;
u8 **nodes;
/* Update interval */
f64 update_interval;
clib_spinlock_t *stat_segment_lockp;
clib_socket_t *socket;
u8 *socket_name;
ssize_t memory_size;
clib_mem_page_sz_t log2_page_sz;
u8 node_counters_enabled;
void *last;
void *heap;
stat_segment_shared_header_t *shared_header; /* pointer to shared memory segment */
int memfd;
u64 last_input_packets; // OLE REMOVE?
} stat_segment_main_t;
extern stat_segment_main_t stat_segment_main;
clib_error_t *
stat_segment_register_gauge (u8 *names, stat_segment_update_fn update_fn, u32 index);
clib_error_t *
stat_segment_register_state_counter(u8 *name, u32 *index);
clib_error_t *
stat_segment_deregister_state_counter(u32 index);
void stat_segment_set_state_counter (u32 index, u64 value);
void stat_segment_poll_add (u32 vector_index, stat_segment_update_fn update_fn,
u32 caller_index, u32 interval);
counter_t **stat_validate_counter_vector3 (counter_t **counters, u32 max1,
u32 max2);
u32 stat_segment_new_entry (u8 *name, stat_directory_type_t t);
void vlib_stats_register_mem_heap (clib_mem_heap_t *heap);
void vlib_stat_segment_lock (void);
void vlib_stat_segment_unlock (void);
void vlib_stats_register_symlink (void *oldheap, u8 *name, u32 index1,
u32 index2, u8 lock);
void stat_provider_register_vector_rate (u32 num_workers);
#endif
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